requirebin sketch

index.js

var createScene = require('gl-plot3d')
var createMesh  = require('gl-mesh3d')
var bunny       = require('teapot')

var scene = createScene()

var mesh = createMesh({
  gl:         scene.gl,
  cells:      bunny.cells,
  positions:  bunny.positions,
  vertexIntensity: bunny.positions.map(function(p) {
    return Math.cos(p[0]) * Math.sin(0.2 * p[1]) + Math.cos(0.4 * p[2])
  }),
  colormap:   'jet'
})

scene.add(mesh)

minified.js

require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("is-array");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;var kMaxLength=1073741823;var rootParent={};Buffer.TYPED_ARRAY_SUPPORT=function(){try{var buf=new ArrayBuffer(0);var arr=new Uint8Array(buf);arr.foo=function(){return 42};return 42===arr.foo()&&typeof arr.subarray==="function"&&new Uint8Array(1).subarray(1,1).byteLength===0}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;var length;if(type==="number")length=subject>0?subject>>>0:0;else if(type==="string"){length=Buffer.byteLength(subject,encoding)}else if(type==="object"&&subject!==null){if(subject.type==="Buffer"&&isArray(subject.data))subject=subject.data;length=+subject.length>0?Math.floor(+subject.length):0}else throw new TypeError("must start with number, buffer, array or string");if(length>kMaxLength)throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength.toString(16)+" bytes");var buf;if(Buffer.TYPED_ARRAY_SUPPORT){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(Buffer.TYPED_ARRAY_SUPPORT&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){if(Buffer.isBuffer(subject)){for(i=0;i<length;i++)buf[i]=subject.readUInt8(i)}else{for(i=0;i<length;i++)buf[i]=(subject[i]%256+256)%256}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!Buffer.TYPED_ARRAY_SUPPORT&&!noZero){for(i=0;i<length;i++){buf[i]=0}}if(length>0&&length<=Buffer.poolSize)buf.parent=rootParent;return buf}function SlowBuffer(subject,encoding,noZero){if(!(this instanceof SlowBuffer))return new SlowBuffer(subject,encoding,noZero);var buf=new Buffer(subject,encoding,noZero);delete buf.parent;return buf}Buffer.isBuffer=function(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("Arguments must be Buffers");var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len&&a[i]===b[i];i++){}if(i!==len){x=a[i];y=b[i]}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function(list,totalLength){if(!isArray(list))throw new TypeError("Usage: Buffer.concat(list[, length])");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(totalLength===undefined){totalLength=0;for(i=0;i<list.length;i++){totalLength+=list[i].length}}var buf=new Buffer(totalLength);var pos=0;for(i=0;i<list.length;i++){var item=list[i];item.copy(buf,pos);pos+=item.length}return buf};Buffer.byteLength=function(str,encoding){var ret;str=str+"";switch(encoding||"utf8"){case"ascii":case"binary":case"raw":ret=str.length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;case"hex":ret=str.length>>>1;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"base64":ret=base64ToBytes(str).length;break;default:ret=str.length}return ret};Buffer.prototype.length=undefined;Buffer.prototype.parent=undefined;Buffer.prototype.toString=function(encoding,start,end){var loweredCase=false;start=start>>>0;end=end===undefined||end===Infinity?this.length:end>>>0;if(!encoding)encoding="utf8";if(start<0)start=0;if(end>this.length)end=this.length;if(end<=start)return"";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"binary":return binarySlice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}};Buffer.prototype.equals=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)};Buffer.prototype.get=function(offset){console.log(".get() is deprecated. Access using array indexes instead.");return this.readUInt8(offset)};Buffer.prototype.set=function(v,offset){console.log(".set() is deprecated. Access using array indexes instead.");return this.writeUInt8(v,offset)};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new Error("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var byte=parseInt(string.substr(i*2,2),16);if(isNaN(byte))throw new Error("Invalid hex string");buf[offset+i]=byte}return i}function utf8Write(buf,string,offset,length){var charsWritten=blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length);return charsWritten}function asciiWrite(buf,string,offset,length){var charsWritten=blitBuffer(asciiToBytes(string),buf,offset,length);return charsWritten}function binaryWrite(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){var charsWritten=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function utf16leWrite(buf,string,offset,length){var charsWritten=blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length,2);return charsWritten}Buffer.prototype.write=function(string,offset,length,encoding){if(isFinite(offset)){if(!isFinite(length)){encoding=length;length=undefined}}else{var swap=encoding;encoding=offset;offset=length;length=swap}offset=Number(offset)||0;if(length<0||offset<0||offset>this.length)throw new RangeError("attempt to write outside buffer bounds");var remaining=this.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}encoding=String(encoding||"utf8").toLowerCase();var ret;switch(encoding){case"hex":ret=hexWrite(this,string,offset,length);break;case"utf8":case"utf-8":ret=utf8Write(this,string,offset,length);break;case"ascii":ret=asciiWrite(this,string,offset,length);break;case"binary":ret=binaryWrite(this,string,offset,length);break;case"base64":ret=base64Write(this,string,offset,length);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=utf16leWrite(this,string,offset,length);break;default:throw new TypeError("Unknown encoding: "+encoding)}return ret};Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){var res="";var tmp="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){if(buf[i]<=127){res+=decodeUtf8Char(tmp)+String.fromCharCode(buf[i]);tmp=""}else{tmp+="%"+buf[i].toString(16)}}return res+decodeUtf8Char(tmp)}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i]&127)}return ret}function binarySlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i])}return ret}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;i++){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}}if(newBuf.length)newBuf.parent=this.parent||this;return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;return val};Buffer.prototype.readUIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256))val+=this[offset+--byteLength]*mul;return val};Buffer.prototype.readUInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256))val+=this[offset+--i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError("buffer must be a Buffer instance");if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range")}Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;i++){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=0;var mul=1;var sub=value<0?1:0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=byteLength-1;var mul=1;var sub=value<0?1:0;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value;return offset+1};Buffer.prototype.writeInt16LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};Buffer.prototype.writeInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range");if(offset<0)throw new RangeError("index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38);ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308);ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function(target,target_start,start,end){var source=this;if(!start)start=0;if(!end&&end!==0)end=this.length;if(target_start>=target.length)target_start=target.length;if(!target_start)target_start=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||source.length===0)return 0;if(target_start<0)throw new RangeError("targetStart out of bounds");if(start<0||start>=source.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-target_start<end-start)end=target.length-target_start+start;var len=end-start;if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<len;i++){target[i+target_start]=this[i+start]}}else{target._set(this.subarray(start,start+len),target_start)}return len};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;if(end<start)throw new RangeError("end < start");if(end===start)return;if(this.length===0)return;if(start<0||start>=this.length)throw new RangeError("start out of bounds");if(end<0||end>this.length)throw new RangeError("end out of bounds");var i;if(typeof value==="number"){for(i=start;i<end;i++){this[i]=value}}else{var bytes=utf8ToBytes(value.toString());var len=bytes.length;for(i=start;i<end;i++){this[i]=bytes[i%len]}}return this};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(Buffer.TYPED_ARRAY_SUPPORT){return new Buffer(this).buffer}else{var buf=new Uint8Array(this.length);for(var i=0,len=buf.length;i<len;i+=1){buf[i]=this[i]}return buf.buffer}}else{throw new TypeError("Buffer.toArrayBuffer not supported in this browser")}};var BP=Buffer.prototype;Buffer._augment=function(arr){arr.constructor=Buffer;arr._isBuffer=true;arr._get=arr.get;arr._set=arr.set;arr.get=BP.get;arr.set=BP.set;arr.write=BP.write;arr.toString=BP.toString;arr.toLocaleString=BP.toString;arr.toJSON=BP.toJSON;arr.equals=BP.equals;arr.compare=BP.compare;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUIntLE=BP.readUIntLE;arr.readUIntBE=BP.readUIntBE;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readIntLE=BP.readIntLE;arr.readIntBE=BP.readIntBE;arr.readInt8=BP.readInt8;arr.readInt16LE=BP.readInt16LE;arr.readInt16BE=BP.readInt16BE;arr.readInt32LE=BP.readInt32LE;arr.readInt32BE=BP.readInt32BE;arr.readFloatLE=BP.readFloatLE;arr.readFloatBE=BP.readFloatBE;arr.readDoubleLE=BP.readDoubleLE;arr.readDoubleBE=BP.readDoubleBE;arr.writeUInt8=BP.writeUInt8;arr.writeUIntLE=BP.writeUIntLE;arr.writeUIntBE=BP.writeUIntBE;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeIntLE=BP.writeIntLE;arr.writeIntBE=BP.writeIntBE;arr.writeInt8=BP.writeInt8;arr.writeInt16LE=BP.writeInt16LE;arr.writeInt16BE=BP.writeInt16BE;arr.writeInt32LE=BP.writeInt32LE;arr.writeInt32BE=BP.writeInt32BE;arr.writeFloatLE=BP.writeFloatLE;arr.writeFloatBE=BP.writeFloatBE;arr.writeDoubleLE=BP.writeDoubleLE;arr.writeDoubleBE=BP.writeDoubleBE;arr.fill=BP.fill;arr.inspect=BP.inspect;arr.toArrayBuffer=BP.toArrayBuffer;return arr};var INVALID_BASE64_RE=/[^+\/0-9A-z\-]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function isArrayish(subject){return isArray(subject)||Buffer.isBuffer(subject)||subject&&typeof subject==="object"&&typeof subject.length==="number"}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){var codePoint,length=string.length;var leadSurrogate=null;units=units||Infinity;var bytes=[];var i=0;for(;i<length;i++){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(leadSurrogate){if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}else{codePoint=leadSurrogate-55296<<10|codePoint-56320|65536;leadSurrogate=null}}else{if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}else{leadSurrogate=codePoint;continue}}}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=null}if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<2097152){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length,unitSize){if(unitSize)length-=length%unitSize;for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function decodeUtf8Char(str){try{return decodeURIComponent(str)}catch(err){return String.fromCharCode(65533)}}},{"base64-js":2,ieee754:3,"is-array":4}],2:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);var PLUS_URL_SAFE="-".charCodeAt(0);var SLASH_URL_SAFE="_".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS||code===PLUS_URL_SAFE)return 62;if(code===SLASH||code===SLASH_URL_SAFE)return 63;if(code<NUMBER)return-1;if(code<NUMBER+10)return code-NUMBER+26+26;if(code<UPPER+26)return code-UPPER;if(code<LOWER+26)return code-LOWER+26}function b64ToByteArray(b64){var i,j,l,tmp,placeHolders,arr;if(b64.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0;arr=new Arr(b64.length*3/4-placeHolders);l=placeHolders>0?b64.length-4:b64.length;var L=0;function push(v){arr[L++]=v}for(i=0,j=0;i<l;i+=4,j+=3){tmp=decode(b64.charAt(i))<<18|decode(b64.charAt(i+1))<<12|decode(b64.charAt(i+2))<<6|decode(b64.charAt(i+3));push((tmp&16711680)>>16);push((tmp&65280)>>8);push(tmp&255)}if(placeHolders===2){tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4;push(tmp&255)}else if(placeHolders===1){tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2;push(tmp>>8&255);push(tmp&255)}return arr}function uint8ToBase64(uint8){var i,extraBytes=uint8.length%3,output="",temp,length;function encode(num){return lookup.charAt(num)}function tripletToBase64(num){return encode(num>>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(num&63)}for(i=0,length=uint8.length-extraBytes;i<length;i+=3){temp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output+=tripletToBase64(temp)}switch(extraBytes){case 1:temp=uint8[uint8.length-1];output+=encode(temp>>2);output+=encode(temp<<4&63);output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1];output+=encode(temp>>10);output+=encode(temp>>4&63);output+=encode(temp<<2&63);output+="=";break}return output}exports.toByteArray=b64ToByteArray;exports.fromByteArray=uint8ToBase64})(typeof exports==="undefined"?this.base64js={}:exports)},{}],3:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8);m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8);if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8);e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=s*128}},{}],4:[function(require,module,exports){var isArray=Array.isArray;var str=Object.prototype.toString;module.exports=isArray||function(val){return!!val&&"[object Array]"==str.call(val)}},{}],5:[function(require,module,exports){var process=module.exports={};process.nextTick=function(){var canSetImmediate=typeof window!=="undefined"&&window.setImmediate;var canMutationObserver=typeof window!=="undefined"&&window.MutationObserver;var canPost=typeof window!=="undefined"&&window.postMessage&&window.addEventListener;if(canSetImmediate){return function(f){return window.setImmediate(f)}}var queue=[];if(canMutationObserver){var hiddenDiv=document.createElement("div");var observer=new MutationObserver(function(){var queueList=queue.slice();queue.length=0;queueList.forEach(function(fn){fn()})});observer.observe(hiddenDiv,{attributes:true});return function nextTick(fn){if(!queue.length){hiddenDiv.setAttribute("yes","no")}queue.push(fn)}}if(canPost){window.addEventListener("message",function(ev){var source=ev.source;if((source===window||source===null)&&ev.data==="process-tick"){ev.stopPropagation();if(queue.length>0){var fn=queue.shift();fn()}}},true);return function nextTick(fn){queue.push(fn);window.postMessage("process-tick","*")}}return function nextTick(fn){setTimeout(fn,0)}}();process.title="browser";process.browser=true;process.env={};process.argv=[];function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")}},{}],6:[function(require,module,exports){var glslify=require("glslify");var createShader=require("gl-shader");var compositeShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nattribute vec2 position;\nvarying vec2 uv;\nvoid main() {\n  uv = position;\n  gl_Position = vec4(position, 0, 1);\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform sampler2D accumBuffer;\nvarying vec2 uv;\nvoid main() {\n  vec4 accum = texture2D(accumBuffer, 0.5 * (uv + 1.0));\n  gl_FragColor = min(vec4(1, 1, 1, 1), accum);\n}",[{name:"accumBuffer",type:"sampler2D"}],[{name:"position",type:"vec2"}]);module.exports=function(gl){return createShader(gl,compositeShader)}},{"gl-shader":132,glslify:156,"glslify/simple-adapter.js":157}],7:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");var ops=require("ndarray-ops");var ndarray=require("ndarray");var SUPPORTED_TYPES=["uint8","uint8_clamped","uint16","uint32","int8","int16","int32","float32"];function GLBuffer(gl,type,handle,length,usage){this.gl=gl;this.type=type;this.handle=handle;this.length=length;this.usage=usage}var proto=GLBuffer.prototype;proto.bind=function(){this.gl.bindBuffer(this.type,this.handle)};proto.unbind=function(){this.gl.bindBuffer(this.type,null)};proto.dispose=function(){this.gl.deleteBuffer(this.handle)};function updateTypeArray(gl,type,len,usage,data,offset){var dataLen=data.length*data.BYTES_PER_ELEMENT;if(offset<0){gl.bufferData(type,data,usage);return dataLen}if(dataLen+offset>len){throw new Error("gl-buffer: If resizing buffer, must not specify offset")}gl.bufferSubData(type,offset,data);return len}function makeScratchTypeArray(array,dtype){var res=pool.malloc(array.length,dtype);

var n=array.length;for(var i=0;i<n;++i){res[i]=array[i]}return res}function isPacked(shape,stride){var n=1;for(var i=stride.length-1;i>=0;--i){if(stride[i]!==n){return false}n*=shape[i]}return true}proto.update=function(array,offset){if(typeof offset!=="number"){offset=-1}this.bind();if(typeof array==="object"&&typeof array.shape!=="undefined"){var dtype=array.dtype;if(SUPPORTED_TYPES.indexOf(dtype)<0){dtype="float32"}if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){var ext=gl.getExtension("OES_element_index_uint");if(ext&&dtype!=="uint16"){dtype="uint32"}else{dtype="uint16"}}if(dtype===array.dtype&&isPacked(array.shape,array.stride)){if(array.offset===0&&array.data.length===array.shape[0]){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data.subarray(array.offset,array.shape[0]),offset)}}else{var tmp=pool.malloc(array.size,dtype);var ndt=ndarray(tmp,array.shape);ops.assign(ndt,array);if(offset<0){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp.subarray(0,array.size),offset)}pool.free(tmp)}}else if(Array.isArray(array)){var t;if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){t=makeScratchTypeArray(array,"uint16")}else{t=makeScratchTypeArray(array,"float32")}if(offset<0){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t.subarray(0,array.length),offset)}pool.free(t)}else if(typeof array==="object"&&typeof array.length==="number"){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array,offset)}else if(typeof array==="number"||array===undefined){if(offset>=0){throw new Error("gl-buffer: Cannot specify offset when resizing buffer")}array=array|0;if(array<=0){array=1}this.gl.bufferData(this.type,array|0,this.usage);this.length=array}else{throw new Error("gl-buffer: Invalid data type")}};function createBuffer(gl,data,type,usage){type=type||gl.ARRAY_BUFFER;usage=usage||gl.DYNAMIC_DRAW;if(type!==gl.ARRAY_BUFFER&&type!==gl.ELEMENT_ARRAY_BUFFER){throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER")}if(usage!==gl.DYNAMIC_DRAW&&usage!==gl.STATIC_DRAW&&usage!==gl.STREAM_DRAW){throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW")}var handle=gl.createBuffer();var result=new GLBuffer(gl,type,handle,0,usage);result.update(data);return result}module.exports=createBuffer},{ndarray:160,"ndarray-ops":8,"typedarray-pool":15}],8:[function(require,module,exports){"use strict";var compile=require("cwise-compiler");var EmptyProc={body:"",args:[],thisVars:[],localVars:[]};function fixup(x){if(!x){return EmptyProc}for(var i=0;i<x.args.length;++i){var a=x.args[i];if(i===0){x.args[i]={name:a,lvalue:true,rvalue:!!x.rvalue,count:x.count||1}}else{x.args[i]={name:a,lvalue:false,rvalue:true,count:1}}}if(!x.thisVars){x.thisVars=[]}if(!x.localVars){x.localVars=[]}return x}function pcompile(user_args){return compile({args:user_args.args,pre:fixup(user_args.pre),body:fixup(user_args.body),post:fixup(user_args.proc),funcName:user_args.funcName})}function makeOp(user_args){var args=[];for(var i=0;i<user_args.args.length;++i){args.push("a"+i)}var wrapper=new Function("P",["return function ",user_args.funcName,"_ndarrayops(",args.join(","),") {P(",args.join(","),");return a0}"].join(""));return wrapper(pcompile(user_args))}var assign_ops={add:"+",sub:"-",mul:"*",div:"/",mod:"%",band:"&",bor:"|",bxor:"^",lshift:"<<",rshift:">>",rrshift:">>>"};(function(){for(var id in assign_ops){var op=assign_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a"+op+"=b"},rvalue:true,funcName:id+"eq"});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a"+op+"=s"},rvalue:true,funcName:id+"seq"})}})();var unary_ops={not:"!",bnot:"~",neg:"-",recip:"1.0/"};(function(){for(var id in unary_ops){var op=unary_ops[id];exports[id]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a="+op+"b"},funcName:id});exports[id+"eq"]=makeOp({args:["array"],body:{args:["a"],body:"a="+op+"a"},rvalue:true,count:2,funcName:id+"eq"})}})();var binary_ops={and:"&&",or:"||",eq:"===",neq:"!==",lt:"<",gt:">",leq:"<=",geq:">="};(function(){for(var id in binary_ops){var op=binary_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=a"+op+"b"},rvalue:true,count:2,funcName:id+"eq"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a=a"+op+"s"},rvalue:true,count:2,funcName:id+"seq"})}})();var math_unary=["abs","acos","asin","atan","ceil","cos","exp","floor","log","round","sin","sqrt","tan"];(function(){for(var i=0;i<math_unary.length;++i){var f=math_unary[i];exports[f]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b)",thisVars:["this_f"]},funcName:f});exports[f+"eq"]=makeOp({args:["array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a"],body:"a=this_f(a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"})}})();var math_comm=["max","min","atan2","pow"];(function(){for(var i=0;i<math_comm.length;++i){var f=math_comm[i];exports[f]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f});exports[f+"s"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f+"s"});exports[f+"eq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"});exports[f+"seq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"seq"})}})();var math_noncomm=["atan2","pow"];(function(){for(var i=0;i<math_noncomm.length;++i){var f=math_noncomm[i];exports[f+"op"]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"op"});exports[f+"ops"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"ops"});exports[f+"opeq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opeq"});exports[f+"opseq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opseq"})}})();exports.any=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"if(a){return true}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return false"},funcName:"any"});exports.all=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1}],body:"if(!x){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"all"});exports.sum=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s+=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"sum"});exports.prod=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=1"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s*=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"prod"});exports.norm2squared=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm2squared"});exports.norm2=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return Math.sqrt(this_s)"},funcName:"norm2"});exports.norminf=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:4}],body:"if(-a>this_s){this_s=-a}else if(a>this_s){this_s=a}",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norminf"});exports.norm1=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:3}],body:"this_s+=a<0?-a:a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm1"});exports.sup=compile({args:["array"],pre:{body:"this_h=-Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_>this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.inf=compile({args:["array"],pre:{body:"this_h=Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_<this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.argmin=compile({args:["index","array","shape"],pre:{body:"{this_v=Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_<this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.argmax=compile({args:["index","array","shape"],pre:{body:"{this_v=-Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_>this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.random=makeOp({args:["array"],pre:{args:[],body:"this_f=Math.random",thisVars:["this_f"]},body:{args:["a"],body:"a=this_f()",thisVars:["this_f"]},funcName:"random"});exports.assign=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=b"},funcName:"assign"});exports.assigns=makeOp({args:["array","scalar"],body:{args:["a","b"],body:"a=b"},funcName:"assigns"});exports.equals=compile({args:["array","array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1},{name:"y",lvalue:false,rvalue:true,count:1}],body:"if(x!==y){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"equals"})},{"cwise-compiler":9}],9:[function(require,module,exports){"use strict";var createThunk=require("./lib/thunk.js");function Procedure(){this.argTypes=[];this.shimArgs=[];this.arrayArgs=[];this.arrayBlockIndices=[];this.scalarArgs=[];this.offsetArgs=[];this.offsetArgIndex=[];this.indexArgs=[];this.shapeArgs=[];this.funcName="";this.pre=null;this.body=null;this.post=null;this.debug=false}function compileCwise(user_args){var proc=new Procedure;proc.pre=user_args.pre;proc.body=user_args.body;proc.post=user_args.post;var proc_args=user_args.args.slice(0);proc.argTypes=proc_args;for(var i=0;i<proc_args.length;++i){var arg_type=proc_args[i];if(arg_type==="array"||typeof arg_type==="object"&&arg_type.blockIndices){proc.argTypes[i]="array";proc.arrayArgs.push(i);proc.arrayBlockIndices.push(arg_type.blockIndices?arg_type.blockIndices:0);proc.shimArgs.push("array"+i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array args")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array args")}}else if(arg_type==="scalar"){proc.scalarArgs.push(i);proc.shimArgs.push("scalar"+i)}else if(arg_type==="index"){proc.indexArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array index")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array index")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array index")}}else if(arg_type==="shape"){proc.shapeArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].lvalue){throw new Error("cwise: pre() block may not write to array shape")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array shape")}if(i<proc.post.args.length&&proc.post.args[i].lvalue){throw new Error("cwise: post() block may not write to array shape")}}else if(typeof arg_type==="object"&&arg_type.offset){proc.argTypes[i]="offset";proc.offsetArgs.push({array:arg_type.array,offset:arg_type.offset});proc.offsetArgIndex.push(i)}else{throw new Error("cwise: Unknown argument type "+proc_args[i])}}if(proc.arrayArgs.length<=0){throw new Error("cwise: No array arguments specified")}if(proc.pre.args.length>proc_args.length){throw new Error("cwise: Too many arguments in pre() block")}if(proc.body.args.length>proc_args.length){throw new Error("cwise: Too many arguments in body() block")}if(proc.post.args.length>proc_args.length){throw new Error("cwise: Too many arguments in post() block")}proc.debug=!!user_args.printCode||!!user_args.debug;proc.funcName=user_args.funcName||"cwise";proc.blockSize=user_args.blockSize||64;return createThunk(proc)}module.exports=compileCwise},{"./lib/thunk.js":11}],10:[function(require,module,exports){"use strict";var uniq=require("uniq");function innerFill(order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,has_index=proc.indexArgs.length>0,code=[],vars=[],idx=0,pidx=0,i,j;for(i=0;i<dimension;++i){vars.push(["i",i,"=0"].join(""))}for(j=0;j<nargs;++j){for(i=0;i<dimension;++i){pidx=idx;idx=order[i];if(i===0){vars.push(["d",j,"s",i,"=t",j,"p",idx].join(""))}else{vars.push(["d",j,"s",i,"=(t",j,"p",idx,"-s",pidx,"*t",j,"p",pidx,")"].join(""))}}}code.push("var "+vars.join(","));for(i=dimension-1;i>=0;--i){idx=order[i];code.push(["for(i",i,"=0;i",i,"<s",idx,";++i",i,"){"].join(""))}code.push(body);for(i=0;i<dimension;++i){pidx=idx;idx=order[i];for(j=0;j<nargs;++j){code.push(["p",j,"+=d",j,"s",i].join(""))}if(has_index){if(i>0){code.push(["index[",pidx,"]-=s",pidx].join(""))}code.push(["++index[",idx,"]"].join(""))}code.push("}")}return code.join("\n")}function outerFill(matched,order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,blockSize=proc.blockSize,has_index=proc.indexArgs.length>0,code=[];for(var i=0;i<nargs;++i){code.push(["var offset",i,"=p",i].join(""))}for(var i=matched;i<dimension;++i){code.push(["for(var j"+i+"=SS[",order[i],"]|0;j",i,">0;){"].join(""));code.push(["if(j",i,"<",blockSize,"){"].join(""));code.push(["s",order[i],"=j",i].join(""));code.push(["j",i,"=0"].join(""));code.push(["}else{s",order[i],"=",blockSize].join(""));code.push(["j",i,"-=",blockSize,"}"].join(""));if(has_index){code.push(["index[",order[i],"]=j",i].join(""))}}for(var i=0;i<nargs;++i){var indexStr=["offset"+i];for(var j=matched;j<dimension;++j){indexStr.push(["j",j,"*t",i,"p",order[j]].join(""))}code.push(["p",i,"=(",indexStr.join("+"),")"].join(""))}code.push(innerFill(order,proc,body));for(var i=matched;i<dimension;++i){code.push("}")}return code.join("\n")}function countMatches(orders){var matched=0,dimension=orders[0].length;while(matched<dimension){for(var j=1;j<orders.length;++j){if(orders[j][matched]!==orders[0][matched]){return matched}}++matched}return matched}function processBlock(block,proc,dtypes){var code=block.body;var pre=[];var post=[];for(var i=0;i<block.args.length;++i){var carg=block.args[i];if(carg.count<=0){continue}var re=new RegExp(carg.name,"g");var ptrStr="";var arrNum=proc.arrayArgs.indexOf(i);switch(proc.argTypes[i]){case"offset":var offArgIndex=proc.offsetArgIndex.indexOf(i);var offArg=proc.offsetArgs[offArgIndex];arrNum=offArg.array;ptrStr="+q"+offArgIndex;case"array":ptrStr="p"+arrNum+ptrStr;var localStr="l"+i;var arrStr="a"+arrNum;if(proc.arrayBlockIndices[arrNum]===0){if(carg.count===1){if(dtypes[arrNum]==="generic"){if(carg.lvalue){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}else{code=code.replace(re,[arrStr,".get(",ptrStr,")"].join(""))}}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}else if(dtypes[arrNum]==="generic"){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}}else{pre.push(["var ",localStr,"=",arrStr,"[",ptrStr,"]"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,"[",ptrStr,"]=",localStr].join(""))}}}else{var reStrArr=[carg.name],ptrStrArr=[ptrStr];for(var j=0;j<Math.abs(proc.arrayBlockIndices[arrNum]);j++){reStrArr.push("\\s*\\[([^\\]]+)\\]");ptrStrArr.push("$"+(j+1)+"*t"+arrNum+"b"+j)}re=new RegExp(reStrArr.join(""),"g");ptrStr=ptrStrArr.join("+");if(dtypes[arrNum]==="generic"){throw new Error("cwise: Generic arrays not supported in combination with blocks!")}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}break;case"scalar":code=code.replace(re,"Y"+proc.scalarArgs.indexOf(i));break;case"index":code=code.replace(re,"index");break;case"shape":code=code.replace(re,"shape");break}}return[pre.join("\n"),code,post.join("\n")].join("\n").trim()}function typeSummary(dtypes){var summary=new Array(dtypes.length);var allEqual=true;for(var i=0;i<dtypes.length;++i){var t=dtypes[i];var digits=t.match(/\d+/);if(!digits){digits=""}else{digits=digits[0]}if(t.charAt(0)===0){summary[i]="u"+t.charAt(1)+digits}else{summary[i]=t.charAt(0)+digits}if(i>0){allEqual=allEqual&&summary[i]===summary[i-1]}}if(allEqual){return summary[0]}return summary.join("")}function generateCWiseOp(proc,typesig){var dimension=typesig[1].length-Math.abs(proc.arrayBlockIndices[0])|0;var orders=new Array(proc.arrayArgs.length);var dtypes=new Array(proc.arrayArgs.length);for(var i=0;i<proc.arrayArgs.length;++i){dtypes[i]=typesig[2*i];orders[i]=typesig[2*i+1]}var blockBegin=[],blockEnd=[];var loopBegin=[],loopEnd=[];var loopOrders=[];for(var i=0;i<proc.arrayArgs.length;++i){if(proc.arrayBlockIndices[i]<0){loopBegin.push(0);loopEnd.push(dimension);blockBegin.push(dimension);blockEnd.push(dimension+proc.arrayBlockIndices[i])}else{loopBegin.push(proc.arrayBlockIndices[i]);loopEnd.push(proc.arrayBlockIndices[i]+dimension);blockBegin.push(0);blockEnd.push(proc.arrayBlockIndices[i])}var newOrder=[];for(var j=0;j<orders[i].length;j++){if(loopBegin[i]<=orders[i][j]&&orders[i][j]<loopEnd[i]){newOrder.push(orders[i][j]-loopBegin[i])}}loopOrders.push(newOrder)}var arglist=["SS"];var code=["'use strict'"];var vars=[];for(var j=0;j<dimension;++j){vars.push(["s",j,"=SS[",j,"]"].join(""))}for(var i=0;i<proc.arrayArgs.length;++i){arglist.push("a"+i);arglist.push("t"+i);arglist.push("p"+i);for(var j=0;j<dimension;++j){vars.push(["t",i,"p",j,"=t",i,"[",loopBegin[i]+j,"]"].join(""))}for(var j=0;j<Math.abs(proc.arrayBlockIndices[i]);++j){vars.push(["t",i,"b",j,"=t",i,"[",blockBegin[i]+j,"]"].join(""))}}for(var i=0;i<proc.scalarArgs.length;++i){arglist.push("Y"+i)}if(proc.shapeArgs.length>0){vars.push("shape=SS.slice(0)")}if(proc.indexArgs.length>0){var zeros=new Array(dimension);for(var i=0;i<dimension;++i){zeros[i]="0"}vars.push(["index=[",zeros.join(","),"]"].join(""))}for(var i=0;i<proc.offsetArgs.length;++i){var off_arg=proc.offsetArgs[i];var init_string=[];for(var j=0;j<off_arg.offset.length;++j){if(off_arg.offset[j]===0){continue}else if(off_arg.offset[j]===1){init_string.push(["t",off_arg.array,"p",j].join(""))}else{init_string.push([off_arg.offset[j],"*t",off_arg.array,"p",j].join(""))}}if(init_string.length===0){vars.push("q"+i+"=0")}else{vars.push(["q",i,"=",init_string.join("+")].join(""))}}var thisVars=uniq([].concat(proc.pre.thisVars).concat(proc.body.thisVars).concat(proc.post.thisVars));vars=vars.concat(thisVars);code.push("var "+vars.join(","));for(var i=0;i<proc.arrayArgs.length;++i){code.push("p"+i+"|=0")}if(proc.pre.body.length>3){code.push(processBlock(proc.pre,proc,dtypes))}var body=processBlock(proc.body,proc,dtypes);var matched=countMatches(loopOrders);if(matched<dimension){code.push(outerFill(matched,loopOrders[0],proc,body))}else{code.push(innerFill(loopOrders[0],proc,body))}if(proc.post.body.length>3){code.push(processBlock(proc.post,proc,dtypes))}if(proc.debug){console.log("-----Generated cwise routine for ",typesig,":\n"+code.join("\n")+"\n----------")}var loopName=[proc.funcName||"unnamed","_cwise_loop_",orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("");var f=new Function(["function ",loopName,"(",arglist.join(","),"){",code.join("\n"),"} return ",loopName].join(""));return f()}module.exports=generateCWiseOp},{uniq:12}],11:[function(require,module,exports){"use strict";var compile=require("./compile.js");function createThunk(proc){var code=["'use strict'","var CACHED={}"];var vars=[];var thunkName=proc.funcName+"_cwise_thunk";code.push(["return function ",thunkName,"(",proc.shimArgs.join(","),"){"].join(""));var typesig=[];var string_typesig=[];var proc_args=[["array",proc.arrayArgs[0],".shape.slice(",Math.max(0,proc.arrayBlockIndices[i]),proc.arrayBlockIndices[i]<0?","+proc.arrayBlockIndices[i]+")":")"].join("")];for(var i=0;i<proc.arrayArgs.length;++i){var j=proc.arrayArgs[i];vars.push(["t",j,"=array",j,".dtype,","r",j,"=array",j,".order"].join(""));typesig.push("t"+j);typesig.push("r"+j);string_typesig.push("t"+j);string_typesig.push("r"+j+".join()");proc_args.push("array"+j+".data");proc_args.push("array"+j+".stride");proc_args.push("array"+j+".offset|0")}for(var i=0;i<proc.scalarArgs.length;++i){proc_args.push("scalar"+proc.scalarArgs[i])}vars.push(["type=[",string_typesig.join(","),"].join()"].join(""));vars.push("proc=CACHED[type]");code.push("var "+vars.join(","));code.push(["if(!proc){","CACHED[type]=proc=compile([",typesig.join(","),"])}","return proc(",proc_args.join(","),")}"].join(""));if(proc.debug){console.log("-----Generated thunk:\n"+code.join("\n")+"\n----------")}var thunk=new Function("compile",code.join("\n"));return thunk(compile.bind(undefined,proc))}module.exports=createThunk},{"./compile.js":10}],12:[function(require,module,exports){"use strict";function unique_pred(list,compare){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i){b=a;a=list[i];if(compare(a,b)){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique_eq(list){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i,b=a){b=a;a=list[i];if(a!==b){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique(list,compare,sorted){if(list.length===0){return list}if(compare){if(!sorted){list.sort(compare)}return unique_pred(list,compare)}if(!sorted){list.sort()}return unique_eq(list)}module.exports=unique},{}],13:[function(require,module,exports){"use strict";"use restrict";var INT_BITS=32;exports.INT_BITS=INT_BITS;exports.INT_MAX=2147483647;exports.INT_MIN=-1<<INT_BITS-1;exports.sign=function(v){return(v>0)-(v<0)};exports.abs=function(v){var mask=v>>INT_BITS-1;return(v^mask)-mask};exports.min=function(x,y){return y^(x^y)&-(x<y)};exports.max=function(x,y){return x^(x^y)&-(x<y)};exports.isPow2=function(v){return!(v&v-1)&&!!v};exports.log2=function(v){var r,shift;r=(v>65535)<<4;v>>>=r;shift=(v>255)<<3;v>>>=shift;r|=shift;shift=(v>15)<<2;v>>>=shift;r|=shift;shift=(v>3)<<1;v>>>=shift;r|=shift;return r|v>>1};exports.log10=function(v){return v>=1e9?9:v>=1e8?8:v>=1e7?7:v>=1e6?6:v>=1e5?5:v>=1e4?4:v>=1e3?3:v>=100?2:v>=10?1:0};exports.popCount=function(v){v=v-(v>>>1&1431655765);v=(v&858993459)+(v>>>2&858993459);return(v+(v>>>4)&252645135)*16843009>>>24};function countTrailingZeros(v){var c=32;v&=-v;if(v)c--;if(v&65535)c-=16;if(v&16711935)c-=8;if(v&252645135)c-=4;if(v&858993459)c-=2;if(v&1431655765)c-=1;return c}exports.countTrailingZeros=countTrailingZeros;exports.nextPow2=function(v){v+=v===0;--v;v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v+1};exports.prevPow2=function(v){v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v-(v>>>1)};exports.parity=function(v){v^=v>>>16;v^=v>>>8;v^=v>>>4;v&=15;return 27030>>>v&1};var REVERSE_TABLE=new Array(256);(function(tab){for(var i=0;i<256;++i){var v=i,r=i,s=7;for(v>>>=1;v;v>>>=1){r<<=1;r|=v&1;--s}tab[i]=r<<s&255}})(REVERSE_TABLE);exports.reverse=function(v){return REVERSE_TABLE[v&255]<<24|REVERSE_TABLE[v>>>8&255]<<16|REVERSE_TABLE[v>>>16&255]<<8|REVERSE_TABLE[v>>>24&255]};exports.interleave2=function(x,y){x&=65535;x=(x|x<<8)&16711935;x=(x|x<<4)&252645135;x=(x|x<<2)&858993459;x=(x|x<<1)&1431655765;y&=65535;y=(y|y<<8)&16711935;y=(y|y<<4)&252645135;y=(y|y<<2)&858993459;y=(y|y<<1)&1431655765;return x|y<<1};exports.deinterleave2=function(v,n){v=v>>>n&1431655765;v=(v|v>>>1)&858993459;v=(v|v>>>2)&252645135;v=(v|v>>>4)&16711935;v=(v|v>>>16)&65535;return v<<16>>16};exports.interleave3=function(x,y,z){x&=1023;x=(x|x<<16)&4278190335;x=(x|x<<8)&251719695;x=(x|x<<4)&3272356035;x=(x|x<<2)&1227133513;y&=1023;y=(y|y<<16)&4278190335;y=(y|y<<8)&251719695;y=(y|y<<4)&3272356035;y=(y|y<<2)&1227133513;x|=y<<1;z&=1023;z=(z|z<<16)&4278190335;z=(z|z<<8)&251719695;z=(z|z<<4)&3272356035;z=(z|z<<2)&1227133513;return x|z<<2};exports.deinterleave3=function(v,n){v=v>>>n&1227133513;v=(v|v>>>2)&3272356035;v=(v|v>>>4)&251719695;v=(v|v>>>8)&4278190335;v=(v|v>>>16)&1023;return v<<22>>22};exports.nextCombination=function(v){var t=v|v-1;return t+1|(~t&-~t)-1>>>countTrailingZeros(v)+1}},{}],14:[function(require,module,exports){"use strict";function dupe_array(count,value,i){var c=count[i]|0;if(c<=0){return[]}var result=new Array(c),j;if(i===count.length-1){for(j=0;j<c;++j){result[j]=value}}else{for(j=0;j<c;++j){result[j]=dupe_array(count,value,i+1)}}return result}function dupe_number(count,value){var result,i;result=new Array(count);for(i=0;i<count;++i){result[i]=value}return result}function dupe(count,value){if(typeof value==="undefined"){value=0}switch(typeof count){case"number":if(count>0){return dupe_number(count|0,value)}break;case"object":if(typeof count.length==="number"){return dupe_array(count,value,0)}break}return[]}module.exports=dupe},{}],15:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;

function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":13,buffer:1,dup:14}],16:[function(require,module,exports){"use strict";function doBind(gl,elements,attributes){if(elements){elements.bind()}else{gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,null)}var nattribs=gl.getParameter(gl.MAX_VERTEX_ATTRIBS)|0;if(attributes){if(attributes.length>nattribs){throw new Error("gl-vao: Too many vertex attributes")}for(var i=0;i<attributes.length;++i){var attrib=attributes[i];if(attrib.buffer){var buffer=attrib.buffer;var size=attrib.size||4;var type=attrib.type||gl.FLOAT;var normalized=!!attrib.normalized;var stride=attrib.stride||0;var offset=attrib.offset||0;buffer.bind();gl.enableVertexAttribArray(i);gl.vertexAttribPointer(i,size,type,normalized,stride,offset)}else{if(typeof attrib==="number"){gl.vertexAttrib1f(i,attrib)}else if(attrib.length===1){gl.vertexAttrib1f(i,attrib[0])}else if(attrib.length===2){gl.vertexAttrib2f(i,attrib[0],attrib[1])}else if(attrib.length===3){gl.vertexAttrib3f(i,attrib[0],attrib[1],attrib[2])}else if(attrib.length===4){gl.vertexAttrib4f(i,attrib[0],attrib[1],attrib[2],attrib[3])}else{throw new Error("gl-vao: Invalid vertex attribute")}gl.disableVertexAttribArray(i)}}for(;i<nattribs;++i){gl.disableVertexAttribArray(i)}}else{gl.bindBuffer(gl.ARRAY_BUFFER,null);for(var i=0;i<nattribs;++i){gl.disableVertexAttribArray(i)}}}module.exports=doBind},{}],17:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VAOEmulated(gl){this.gl=gl;this._elements=null;this._attributes=null;this._elementsType=gl.UNSIGNED_SHORT}VAOEmulated.prototype.bind=function(){bindAttribs(this.gl,this._elements,this._attributes)};VAOEmulated.prototype.update=function(attributes,elements,elementsType){this._elements=elements;this._attributes=attributes;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};VAOEmulated.prototype.dispose=function(){};VAOEmulated.prototype.unbind=function(){};VAOEmulated.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._elements){gl.drawElements(mode,count,this._elementsType,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAOEmulated(gl){return new VAOEmulated(gl)}module.exports=createVAOEmulated},{"./do-bind.js":16}],18:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VertexAttribute(location,dimension,a,b,c,d){this.location=location;this.dimension=dimension;this.a=a;this.b=b;this.c=c;this.d=d}VertexAttribute.prototype.bind=function(gl){switch(this.dimension){case 1:gl.vertexAttrib1f(this.location,this.a);break;case 2:gl.vertexAttrib2f(this.location,this.a,this.b);break;case 3:gl.vertexAttrib3f(this.location,this.a,this.b,this.c);break;case 4:gl.vertexAttrib4f(this.location,this.a,this.b,this.c,this.d);break}};function VAONative(gl,ext,handle){this.gl=gl;this._ext=ext;this.handle=handle;this._attribs=[];this._useElements=false;this._elementsType=gl.UNSIGNED_SHORT}VAONative.prototype.bind=function(){this._ext.bindVertexArrayOES(this.handle);for(var i=0;i<this._attribs.length;++i){this._attribs[i].bind(this.gl)}};VAONative.prototype.unbind=function(){this._ext.bindVertexArrayOES(null)};VAONative.prototype.dispose=function(){this._ext.deleteVertexArrayOES(this.handle)};VAONative.prototype.update=function(attributes,elements,elementsType){this.bind();bindAttribs(this.gl,elements,attributes);this.unbind();this._attribs.length=0;if(attributes)for(var i=0;i<attributes.length;++i){var a=attributes[i];if(typeof a==="number"){this._attribs.push(new VertexAttribute(i,1,a))}else if(Array.isArray(a)){this._attribs.push(new VertexAttribute(i,a.length,a[0],a[1],a[2],a[3]))}}this._useElements=!!elements;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};VAONative.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._useElements){gl.drawElements(mode,count,this._elementsType,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAONative(gl,ext){return new VAONative(gl,ext,ext.createVertexArrayOES())}module.exports=createVAONative},{"./do-bind.js":16}],19:[function(require,module,exports){"use strict";var createVAONative=require("./lib/vao-native.js");var createVAOEmulated=require("./lib/vao-emulated.js");function createVAO(gl,attributes,elements,elementsType){var ext=gl.getExtension("OES_vertex_array_object");var vao;if(ext){vao=createVAONative(gl,ext)}else{vao=createVAOEmulated(gl)}vao.update(attributes,elements,elementsType);return vao}module.exports=createVAO},{"./lib/vao-emulated.js":17,"./lib/vao-native.js":18}],20:[function(require,module,exports){(function WeakMapModule(){"use strict";if(typeof ses!=="undefined"&&ses.ok&&!ses.ok()){return}function weakMapPermitHostObjects(map){if(map.permitHostObjects___){map.permitHostObjects___(weakMapPermitHostObjects)}}if(typeof ses!=="undefined"){ses.weakMapPermitHostObjects=weakMapPermitHostObjects}var doubleWeakMapCheckSilentFailure=false;if(typeof WeakMap==="function"){var HostWeakMap=WeakMap;if(typeof navigator!=="undefined"&&/Firefox/.test(navigator.userAgent)){}else{var testMap=new HostWeakMap;var testObject=Object.freeze({});testMap.set(testObject,1);if(testMap.get(testObject)!==1){doubleWeakMapCheckSilentFailure=true}else{module.exports=WeakMap;return}}}var hop=Object.prototype.hasOwnProperty;var gopn=Object.getOwnPropertyNames;var defProp=Object.defineProperty;var isExtensible=Object.isExtensible;var HIDDEN_NAME_PREFIX="weakmap:";var HIDDEN_NAME=HIDDEN_NAME_PREFIX+"ident:"+Math.random()+"___";if(typeof crypto!=="undefined"&&typeof crypto.getRandomValues==="function"&&typeof ArrayBuffer==="function"&&typeof Uint8Array==="function"){var ab=new ArrayBuffer(25);var u8s=new Uint8Array(ab);crypto.getRandomValues(u8s);HIDDEN_NAME=HIDDEN_NAME_PREFIX+"rand:"+Array.prototype.map.call(u8s,function(u8){return(u8%36).toString(36)}).join("")+"___"}function isNotHiddenName(name){return!(name.substr(0,HIDDEN_NAME_PREFIX.length)==HIDDEN_NAME_PREFIX&&name.substr(name.length-3)==="___")}defProp(Object,"getOwnPropertyNames",{value:function fakeGetOwnPropertyNames(obj){return gopn(obj).filter(isNotHiddenName)}});if("getPropertyNames"in Object){var originalGetPropertyNames=Object.getPropertyNames;defProp(Object,"getPropertyNames",{value:function fakeGetPropertyNames(obj){return originalGetPropertyNames(obj).filter(isNotHiddenName)}})}function getHiddenRecord(key){if(key!==Object(key)){throw new TypeError("Not an object: "+key)}var hiddenRecord=key[HIDDEN_NAME];if(hiddenRecord&&hiddenRecord.key===key){return hiddenRecord}if(!isExtensible(key)){return void 0}hiddenRecord={key:key};try{defProp(key,HIDDEN_NAME,{value:hiddenRecord,writable:false,enumerable:false,configurable:false});return hiddenRecord}catch(error){return void 0}}(function(){var oldFreeze=Object.freeze;defProp(Object,"freeze",{value:function identifyingFreeze(obj){getHiddenRecord(obj);return oldFreeze(obj)}});var oldSeal=Object.seal;defProp(Object,"seal",{value:function identifyingSeal(obj){getHiddenRecord(obj);return oldSeal(obj)}});var oldPreventExtensions=Object.preventExtensions;defProp(Object,"preventExtensions",{value:function identifyingPreventExtensions(obj){getHiddenRecord(obj);return oldPreventExtensions(obj)}})})();function constFunc(func){func.prototype=null;return Object.freeze(func)}var calledAsFunctionWarningDone=false;function calledAsFunctionWarning(){if(!calledAsFunctionWarningDone&&typeof console!=="undefined"){calledAsFunctionWarningDone=true;console.warn("WeakMap should be invoked as new WeakMap(), not "+"WeakMap(). This will be an error in the future.")}}var nextId=0;var OurWeakMap=function(){if(!(this instanceof OurWeakMap)){calledAsFunctionWarning()}var keys=[];var values=[];var id=nextId++;function get___(key,opt_default){var index;var hiddenRecord=getHiddenRecord(key);if(hiddenRecord){return id in hiddenRecord?hiddenRecord[id]:opt_default}else{index=keys.indexOf(key);return index>=0?values[index]:opt_default}}function has___(key){var hiddenRecord=getHiddenRecord(key);if(hiddenRecord){return id in hiddenRecord}else{return keys.indexOf(key)>=0}}function set___(key,value){var index;var hiddenRecord=getHiddenRecord(key);if(hiddenRecord){hiddenRecord[id]=value}else{index=keys.indexOf(key);if(index>=0){values[index]=value}else{index=keys.length;values[index]=value;keys[index]=key}}return this}function delete___(key){var hiddenRecord=getHiddenRecord(key);var index,lastIndex;if(hiddenRecord){return id in hiddenRecord&&delete hiddenRecord[id]}else{index=keys.indexOf(key);if(index<0){return false}lastIndex=keys.length-1;keys[index]=void 0;values[index]=values[lastIndex];keys[index]=keys[lastIndex];keys.length=lastIndex;values.length=lastIndex;return true}}return Object.create(OurWeakMap.prototype,{get___:{value:constFunc(get___)},has___:{value:constFunc(has___)},set___:{value:constFunc(set___)},delete___:{value:constFunc(delete___)}})};OurWeakMap.prototype=Object.create(Object.prototype,{get:{value:function get(key,opt_default){return this.get___(key,opt_default)},writable:true,configurable:true},has:{value:function has(key){return this.has___(key)},writable:true,configurable:true},set:{value:function set(key,value){return this.set___(key,value)},writable:true,configurable:true},"delete":{value:function remove(key){return this.delete___(key)},writable:true,configurable:true}});if(typeof HostWeakMap==="function"){(function(){if(doubleWeakMapCheckSilentFailure&&typeof Proxy!=="undefined"){Proxy=undefined}function DoubleWeakMap(){if(!(this instanceof OurWeakMap)){calledAsFunctionWarning()}var hmap=new HostWeakMap;var omap=undefined;var enableSwitching=false;function dget(key,opt_default){if(omap){return hmap.has(key)?hmap.get(key):omap.get___(key,opt_default)}else{return hmap.get(key,opt_default)}}function dhas(key){return hmap.has(key)||(omap?omap.has___(key):false)}var dset;if(doubleWeakMapCheckSilentFailure){dset=function(key,value){hmap.set(key,value);if(!hmap.has(key)){if(!omap){omap=new OurWeakMap}omap.set(key,value)}return this}}else{dset=function(key,value){if(enableSwitching){try{hmap.set(key,value)}catch(e){if(!omap){omap=new OurWeakMap}omap.set___(key,value)}}else{hmap.set(key,value)}return this}}function ddelete(key){var result=!!hmap["delete"](key);if(omap){return omap.delete___(key)||result}return result}return Object.create(OurWeakMap.prototype,{get___:{value:constFunc(dget)},has___:{value:constFunc(dhas)},set___:{value:constFunc(dset)},delete___:{value:constFunc(ddelete)},permitHostObjects___:{value:constFunc(function(token){if(token===weakMapPermitHostObjects){enableSwitching=true}else{throw new Error("bogus call to permitHostObjects___")}})}})}DoubleWeakMap.prototype=OurWeakMap.prototype;module.exports=DoubleWeakMap;Object.defineProperty(WeakMap.prototype,"constructor",{value:WeakMap,enumerable:false,configurable:true,writable:true})})()}else{if(typeof Proxy!=="undefined"){Proxy=undefined}module.exports=OurWeakMap}})()},{}],21:[function(require,module,exports){"use strict";var weakMap=typeof WeakMap==="undefined"?require("weak-map"):WeakMap;var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var TriangleCache=new weakMap;function createABigTriangle(gl){var triangleVAO=TriangleCache.get(gl);if(!triangleVAO||!gl.isBuffer(triangleVAO._triangleBuffer.buffer)){var buf=createBuffer(gl,new Float32Array([-1,-1,-1,4,4,-1]));triangleVAO=createVAO(gl,[{buffer:buf,type:gl.FLOAT,size:2}]);triangleVAO._triangleBuffer=buf;TriangleCache.set(gl,triangleVAO)}triangleVAO.bind();gl.drawArrays(gl.TRIANGLES,0,3);triangleVAO.unbind()}module.exports=createABigTriangle},{"gl-buffer":7,"gl-vao":19,"weak-map":20}],22:[function(require,module,exports){"use strict";module.exports=createAxes;var createText=require("./lib/text.js");var createLines=require("./lib/lines.js");var createBackground=require("./lib/background.js");var getCubeProperties=require("./lib/cube.js");var Ticks=require("./lib/ticks.js");var identity=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]);function copyVec3(a,b){a[0]=b[0];a[1]=b[1];a[2]=b[2];return a}function Axes(gl){this.gl=gl;this.pixelRatio=1;this.bounds=[[-10,-10,-10],[10,10,10]];this.ticks=[[],[],[]];this.autoTicks=true;this.tickSpacing=[1,1,1];this.tickEnable=[true,true,true];this.tickFont=["sans-serif","sans-serif","sans-serif"];this.tickSize=[12,12,12];this.tickAngle=[0,0,0];this.tickColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.tickPad=[10,10,10];this.lastCubeProps={cubeEdges:[0,0,0],axis:[0,0,0]};this.labels=["x","y","z"];this.labelEnable=[true,true,true];this.labelFont="sans-serif";this.labelSize=[20,20,20];this.labelAngle=[0,0,0];this.labelColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.labelPad=[10,10,10];this.lineEnable=[true,true,true];this.lineMirror=[false,false,false];this.lineWidth=[1,1,1];this.lineColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.lineTickEnable=[true,true,true];this.lineTickMirror=[false,false,false];this.lineTickLength=[0,0,0];this.lineTickWidth=[1,1,1];this.lineTickColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.gridEnable=[true,true,true];this.gridWidth=[1,1,1];this.gridColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.zeroEnable=[true,true,true];this.zeroLineColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.zeroLineWidth=[2,2,2];this.backgroundEnable=[false,false,false];this.backgroundColor=[[.8,.8,.8,.5],[.8,.8,.8,.5],[.8,.8,.8,.5]];this._firstInit=true;this._text=null;this._lines=null;this._background=createBackground(gl)}var proto=Axes.prototype;proto.update=function(options){options=options||{};function parseOption(nest,cons,name){if(name in options){var opt=options[name];var prev=this[name];var next;if(nest?Array.isArray(opt)&&Array.isArray(opt[0]):Array.isArray(opt)){this[name]=next=[cons(opt[0]),cons(opt[1]),cons(opt[2])]}else{this[name]=next=[cons(opt),cons(opt),cons(opt)]}for(var i=0;i<3;++i){if(next[i]!==prev[i]){return true}}}return false}var NUMBER=parseOption.bind(this,false,Number);var BOOLEAN=parseOption.bind(this,false,Boolean);var STRING=parseOption.bind(this,false,String);var COLOR=parseOption.bind(this,true,function(v){if(Array.isArray(v)){if(v.length===3){return[+v[0],+v[1],+v[2],1]}else if(v.length===4){return[+v[0],+v[1],+v[2],+v[3]]}}return[0,0,0,1]});var nextTicks;var ticksUpdate=false;var boundsChanged=false;if("bounds"in options){var bounds=options.bounds;i_loop:for(var i=0;i<2;++i){for(var j=0;j<3;++j){if(bounds[i][j]!==this.bounds[i][j]){boundsChanged=true}this.bounds[i][j]=bounds[i][j]}}}if("ticks"in options){nextTicks=options.ticks;ticksUpdate=true;this.autoTicks=false;for(var i=0;i<3;++i){this.tickSpacing[i]=0}}else if(NUMBER("tickSpacing")){this.autoTicks=true;boundsChanged=true}if(this._firstInit){if(!("ticks"in options||"tickSpacing"in options)){this.autoTicks=true}boundsChanged=true;ticksUpdate=true;this._firstInit=false}if(boundsChanged&&this.autoTicks){nextTicks=Ticks.create(this.bounds,this.tickSpacing);ticksUpdate=true}if(ticksUpdate){for(var i=0;i<3;++i){nextTicks[i].sort(function(a,b){return a.x-b.x})}if(Ticks.equal(nextTicks,this.ticks)){ticksUpdate=false}else{this.ticks=nextTicks}}BOOLEAN("tickEnable");if(STRING("tickFont")){ticksUpdate=true}NUMBER("tickSize");NUMBER("tickAngle");NUMBER("tickPad");COLOR("tickColor");var labelUpdate=STRING("labels");if(STRING("labelFont")){labelUpdate=true}BOOLEAN("labelEnable");NUMBER("labelSize");NUMBER("labelPad");COLOR("labelColor");BOOLEAN("lineEnable");BOOLEAN("lineMirror");NUMBER("lineWidth");COLOR("lineColor");BOOLEAN("lineTickEnable");BOOLEAN("lineTickMirror");NUMBER("lineTickLength");NUMBER("lineTickWidth");COLOR("lineTickColor");BOOLEAN("gridEnable");NUMBER("gridWidth");COLOR("gridColor");BOOLEAN("zeroEnable");COLOR("zeroLineColor");NUMBER("zeroLineWidth");BOOLEAN("backgroundEnable");COLOR("backgroundColor");if(!this._text){this._text=createText(this.gl,this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont)}else if(this._text&&(labelUpdate||ticksUpdate)){this._text.update(this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont)}if(this._lines&&ticksUpdate){this._lines.dispose();this._lines=null}if(!this._lines){this._lines=createLines(this.gl,this.bounds,this.ticks)}};function OffsetInfo(){this.primalOffset=[0,0,0];this.primalMinor=[0,0,0];this.mirrorOffset=[0,0,0];this.mirrorMinor=[0,0,0]}var LINE_OFFSET=[new OffsetInfo,new OffsetInfo,new OffsetInfo];function computeLineOffset(result,i,bounds,cubeEdges,cubeAxis){var primalOffset=result.primalOffset;var primalMinor=result.primalMinor;var dualOffset=result.mirrorOffset;var dualMinor=result.mirrorMinor;var e=cubeEdges[i];for(var j=0;j<3;++j){if(i===j){continue}var a=primalOffset,b=dualOffset,c=primalMinor,d=dualMinor;if(e&1<<j){a=dualOffset;b=primalOffset;c=dualMinor;d=primalMinor}a[j]=bounds[0][j];b[j]=bounds[1][j];if(cubeAxis[j]>0){c[j]=-1;d[j]=0}else{c[j]=0;d[j]=+1}}}var CUBE_ENABLE=[0,0,0];var DEFAULT_PARAMS={model:identity,view:identity,projection:identity};proto.isOpaque=function(){return true};proto.isTransparent=function(){return false};proto.drawTransparent=function(params){};var PRIMAL_MINOR=[0,0,0];var MIRROR_MINOR=[0,0,0];var PRIMAL_OFFSET=[0,0,0];proto.draw=function(params){params=params||DEFAULT_PARAMS;var gl=this.gl;var model=params.model||identity;var view=params.view||identity;var projection=params.projection||identity;var bounds=this.bounds;var cubeParams=getCubeProperties(model,view,projection,bounds);var cubeEdges=cubeParams.cubeEdges;var cubeAxis=cubeParams.axis;var cx=view[12];var cy=view[13];var cz=view[14];var cw=view[15];var pixelScaleF=this.pixelRatio*(projection[3]*cx+projection[7]*cy+projection[11]*cz+projection[15]*cw)/gl.drawingBufferHeight;for(var i=0;i<3;++i){this.lastCubeProps.cubeEdges[i]=cubeEdges[i];this.lastCubeProps.axis[i]=cubeAxis[i]}var lineOffset=LINE_OFFSET;for(var i=0;i<3;++i){computeLineOffset(LINE_OFFSET[i],i,this.bounds,cubeEdges,cubeAxis)}var gl=this.gl;var cubeEnable=CUBE_ENABLE;for(var i=0;i<3;++i){if(this.backgroundEnable[i]){cubeEnable[i]=cubeAxis[i]}else{cubeEnable[i]=0}}this._background.draw(model,view,projection,bounds,cubeEnable,this.backgroundColor);this._lines.bind(model,view,projection,this);for(var i=0;i<3;++i){var x=[0,0,0];if(cubeAxis[i]>0){x[i]=bounds[1][i]}else{x[i]=bounds[0][i]}for(var j=0;j<2;++j){var u=(i+1+j)%3;var v=(i+1+(j^1))%3;if(this.gridEnable[u]){this._lines.drawGrid(u,v,this.bounds,x,this.gridColor[u],this.gridWidth[u]*this.pixelRatio)}}for(var j=0;j<2;++j){var u=(i+1+j)%3;var v=(i+1+(j^1))%3;if(this.zeroEnable[v]){if(bounds[0][v]<=0&&bounds[1][v]>=0){this._lines.drawZero(u,v,this.bounds,x,this.zeroLineColor[v],this.zeroLineWidth[v]*this.pixelRatio)}}}}for(var i=0;i<3;++i){if(this.lineEnable[i]){this._lines.drawAxisLine(i,this.bounds,lineOffset[i].primalOffset,this.lineColor[i],this.lineWidth[i]*this.pixelRatio)}if(this.lineMirror[i]){this._lines.drawAxisLine(i,this.bounds,lineOffset[i].mirrorOffset,this.lineColor[i],this.lineWidth[i]*this.pixelRatio)}var primalMinor=copyVec3(PRIMAL_MINOR,lineOffset[i].primalMinor);var mirrorMinor=copyVec3(MIRROR_MINOR,lineOffset[i].mirrorMinor);var tickLength=this.lineTickLength;var op=0;for(var j=0;j<3;++j){var scaleFactor=pixelScaleF/model[5*j];primalMinor[j]*=tickLength[j]*scaleFactor;mirrorMinor[j]*=tickLength[j]*scaleFactor}if(this.lineTickEnable[i]){this._lines.drawAxisTicks(i,lineOffset[i].primalOffset,primalMinor,this.lineTickColor[i],this.lineTickWidth[i]*this.pixelRatio)}if(this.lineTickMirror[i]){this._lines.drawAxisTicks(i,lineOffset[i].mirrorOffset,mirrorMinor,this.lineTickColor[i],this.lineTickWidth[i]*this.pixelRatio)}}this._text.bind(model,view,projection,this.pixelRatio);for(var i=0;i<3;++i){var minor=lineOffset[i].primalMinor;var offset=copyVec3(PRIMAL_OFFSET,lineOffset[i].primalOffset);for(var j=0;j<3;++j){if(this.lineTickEnable[i]){offset[j]+=pixelScaleF*minor[j]*Math.max(this.lineTickLength[j],0)/model[5*j]}}if(this.tickEnable[i]){for(var j=0;j<3;++j){offset[j]+=pixelScaleF*minor[j]*this.tickPad[j]/model[5*j]}this._text.drawTicks(i,this.tickSize[i],this.tickAngle[i],offset,this.tickColor[i])}if(this.labelEnable[i]){for(var j=0;j<3;++j){offset[j]+=pixelScaleF*minor[j]*this.labelPad[j]/model[5*j]}offset[i]+=.5*(bounds[0][i]+bounds[1][i]);this._text.drawLabel(i,this.labelSize[i],this.labelAngle[i],offset,this.labelColor[i])}}};proto.dispose=function(){this._text.dispose();this._lines.dispose();this._background.dispose();this._lines=null;this._text=null;this._background=null;this.gl=null};function createAxes(gl,options){var axes=new Axes(gl);axes.update(options);return axes}},{"./lib/background.js":23,"./lib/cube.js":24,"./lib/lines.js":25,"./lib/text.js":27,"./lib/ticks.js":28}],23:[function(require,module,exports){"use strict";module.exports=createBackgroundCube;var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var createShader=require("./shaders").bg;function BackgroundCube(gl,buffer,vao,shader){this.gl=gl;this.buffer=buffer;this.vao=vao;this.shader=shader}var proto=BackgroundCube.prototype;proto.draw=function(model,view,projection,bounds,enable,colors){var needsBG=false;for(var i=0;i<3;++i){needsBG=needsBG||enable[i]}if(!needsBG){return}var gl=this.gl;gl.enable(gl.POLYGON_OFFSET_FILL);gl.polygonOffset(1,2);this.shader.bind();this.shader.uniforms={model:model,view:view,projection:projection,bounds:bounds,enable:enable,colors:colors};this.vao.bind();this.vao.draw(this.gl.TRIANGLES,36);gl.disable(gl.POLYGON_OFFSET_FILL)};proto.dispose=function(){this.vao.dispose();this.buffer.dispose();this.shader.dispose()};function createBackgroundCube(gl){var vertices=[];var indices=[];var ptr=0;for(var d=0;d<3;++d){var u=(d+1)%3;var v=(d+2)%3;var x=[0,0,0];var c=[0,0,0];for(var s=-1;s<=1;s+=2){indices.push(ptr,ptr+2,ptr+1,ptr+1,ptr+2,ptr+3);x[d]=s;c[d]=s;for(var i=-1;i<=1;i+=2){x[u]=i;for(var j=-1;j<=1;j+=2){x[v]=j;vertices.push(x[0],x[1],x[2],c[0],c[1],c[2]);ptr+=1}}var tt=u;u=v;v=tt}}var buffer=createBuffer(gl,new Float32Array(vertices));var elements=createBuffer(gl,new Uint16Array(indices),gl.ELEMENT_ARRAY_BUFFER);var vao=createVAO(gl,[{buffer:buffer,type:gl.FLOAT,size:3,offset:0,stride:24},{buffer:buffer,type:gl.FLOAT,size:3,offset:12,stride:24}],elements);var shader=createShader(gl);shader.attributes.position.location=0;shader.attributes.normal.location=1;return new BackgroundCube(gl,buffer,vao,shader)}},{"./shaders":26,"gl-buffer":32,"gl-vao":42}],24:[function(require,module,exports){"use strict";module.exports=getCubeEdges;var bits=require("bit-twiddle");var multiply=require("gl-mat4/multiply");var invert=require("gl-mat4/invert");var splitPoly=require("split-polygon");var orient=require("robust-orientation");var mvp=new Array(16);var imvp=new Array(16);var pCubeVerts=new Array(8);var cubeVerts=new Array(8);var x=new Array(3);var zero3=[0,0,0];(function(){for(var i=0;i<8;++i){pCubeVerts[i]=[1,1,1,1];cubeVerts[i]=[1,1,1]}})();function transformHg(result,x,mat){for(var i=0;i<4;++i){result[i]=mat[12+i];for(var j=0;j<3;++j){result[i]+=x[j]*mat[4*j+i]}}}var FRUSTUM_PLANES=[[0,0,1,0,0],[0,0,-1,1,0],[0,-1,0,1,0],[0,1,0,1,0],[-1,0,0,1,0],[1,0,0,1,0]];function polygonArea(p){for(var i=0;i<FRUSTUM_PLANES.length;++i){p=splitPoly.positive(p,FRUSTUM_PLANES[i]);if(p.length<3){return 0}}var base=p[0];var ax=base[0]/base[3];var ay=base[1]/base[3];var area=0;for(var i=1;i+1<p.length;++i){var b=p[i];var c=p[i+1];var bx=b[0]/b[3];var by=b[1]/b[3];var cx=c[0]/c[3];var cy=c[1]/c[3];var ux=bx-ax;var uy=by-ay;var vx=cx-ax;var vy=cy-ay;area+=Math.abs(ux*vy-uy*vx)}return area}var CUBE_EDGES=[1,1,1];var CUBE_AXIS=[0,0,0];var CUBE_RESULT={cubeEdges:CUBE_EDGES,axis:CUBE_AXIS};function getCubeEdges(model,view,projection,bounds){multiply(mvp,view,model);multiply(mvp,projection,mvp);var ptr=0;for(var i=0;i<2;++i){x[2]=bounds[i][2];for(var j=0;j<2;++j){x[1]=bounds[j][1];for(var k=0;k<2;++k){x[0]=bounds[k][0];transformHg(pCubeVerts[ptr],x,mvp);ptr+=1}}}var closest=-1;for(var i=0;i<8;++i){var w=pCubeVerts[i][3];for(var l=0;l<3;++l){cubeVerts[i][l]=pCubeVerts[i][l]/w}if(w<0){if(closest<0){closest=i}else if(cubeVerts[i][2]<cubeVerts[closest][2]){closest=i}}}if(closest<0){closest=0;for(var d=0;d<3;++d){var u=(d+2)%3;var v=(d+1)%3;var o0=-1;var o1=-1;for(var s=0;s<2;++s){var f0=s<<d;var f1=f0+(s<<u)+(1-s<<v);var f2=f0+(1-s<<u)+(s<<v);if(orient(cubeVerts[f0],cubeVerts[f1],cubeVerts[f2],zero3)<0){continue}if(s){o0=1}else{o1=1}}if(o0<0||o1<0){if(o1>o0){closest|=1<<d}continue}for(var s=0;s<2;++s){var f0=s<<d;var f1=f0+(s<<u)+(1-s<<v);var f2=f0+(1-s<<u)+(s<<v);var o=polygonArea([pCubeVerts[f0],pCubeVerts[f1],pCubeVerts[f2],pCubeVerts[f0+(1<<u)+(1<<v)]]);if(s){o0=o}else{o1=o}}if(o1>o0){closest|=1<<d;continue}}}var farthest=7^closest;var bottom=-1;for(var i=0;i<8;++i){if(i===closest||i===farthest){continue}if(bottom<0){bottom=i}else if(cubeVerts[bottom][1]>cubeVerts[i][1]){bottom=i}}var left=-1;for(var i=0;i<3;++i){var idx=bottom^1<<i;if(idx===closest||idx===farthest){continue}if(left<0){left=idx}var v=cubeVerts[idx];if(v[0]<cubeVerts[left][0]){left=idx}}var right=-1;for(var i=0;i<3;++i){var idx=bottom^1<<i;if(idx===closest||idx===farthest||idx===left){continue}if(right<0){right=idx}var v=cubeVerts[idx];if(v[0]>cubeVerts[right][0]){right=idx}}var cubeEdges=CUBE_EDGES;cubeEdges[0]=cubeEdges[1]=cubeEdges[2]=0;cubeEdges[bits.log2(left^bottom)]=bottom&left;cubeEdges[bits.log2(bottom^right)]=bottom&right;var top=right^7;if(top===closest||top===farthest){top=left^7;cubeEdges[bits.log2(right^top)]=top&right}else{cubeEdges[bits.log2(left^top)]=top&left}var axis=CUBE_AXIS;var cutCorner=closest;for(var d=0;d<3;++d){if(cutCorner&1<<d){axis[d]=-1}else{axis[d]=1}}return CUBE_RESULT}},{"bit-twiddle":29,"gl-mat4/invert":118,"gl-mat4/multiply":120,"robust-orientation":49,"split-polygon":50}],25:[function(require,module,exports){"use strict";module.exports=createLines;var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var createShader=require("./shaders").line;var MAJOR_AXIS=[0,0,0];var MINOR_AXIS=[0,0,0];var SCREEN_AXIS=[0,0,0];var OFFSET_VEC=[0,0,0];var SHAPE=[1,1];function zeroVec(a){a[0]=a[1]=a[2]=0;return a}function copyVec(a,b){a[0]=b[0];a[1]=b[1];a[2]=b[2];return a}function Lines(gl,vertBuffer,vao,shader,tickCount,tickOffset,gridCount,gridOffset){this.gl=gl;this.vertBuffer=vertBuffer;this.vao=vao;this.shader=shader;this.tickCount=tickCount;this.tickOffset=tickOffset;this.gridCount=gridCount;this.gridOffset=gridOffset}var proto=Lines.prototype;proto.bind=function(model,view,projection){this.shader.bind();this.shader.uniforms.model=model;this.shader.uniforms.view=view;this.shader.uniforms.projection=projection;SHAPE[0]=this.gl.drawingBufferWidth;SHAPE[1]=this.gl.drawingBufferHeight;this.shader.uniforms.screenShape=SHAPE;this.vao.bind()};proto.drawAxisLine=function(j,bounds,offset,color,lineWidth){var minorAxis=zeroVec(MINOR_AXIS);this.shader.uniforms.majorAxis=MINOR_AXIS;minorAxis[j]=bounds[1][j]-bounds[0][j];this.shader.uniforms.minorAxis=minorAxis;var noffset=copyVec(OFFSET_VEC,offset);noffset[j]+=bounds[0][j];this.shader.uniforms.offset=noffset;this.shader.uniforms.lineWidth=lineWidth;this.shader.uniforms.color=color;var screenAxis=zeroVec(SCREEN_AXIS);screenAxis[(j+2)%3]=1;this.shader.uniforms.screenAxis=screenAxis;this.vao.draw(this.gl.TRIANGLES,6);var screenAxis=zeroVec(SCREEN_AXIS);screenAxis[(j+1)%3]=1;this.shader.uniforms.screenAxis=screenAxis;this.vao.draw(this.gl.TRIANGLES,6)};proto.drawAxisTicks=function(j,offset,minorAxis,color,lineWidth){var majorAxis=zeroVec(MAJOR_AXIS);majorAxis[j]=1;this.shader.uniforms.majorAxis=majorAxis;this.shader.uniforms.offset=offset;this.shader.uniforms.minorAxis=minorAxis;this.shader.uniforms.color=color;this.shader.uniforms.lineWidth=lineWidth;var screenAxis=zeroVec(SCREEN_AXIS);screenAxis[j]=1;this.shader.uniforms.screenAxis=screenAxis;this.vao.draw(this.gl.TRIANGLES,this.tickCount[j],this.tickOffset[j])};proto.drawGrid=function(i,j,bounds,offset,color,lineWidth){var minorAxis=zeroVec(MINOR_AXIS);minorAxis[j]=bounds[1][j]-bounds[0][j];this.shader.uniforms.minorAxis=minorAxis;var noffset=copyVec(OFFSET_VEC,offset);noffset[j]+=bounds[0][j];this.shader.uniforms.offset=noffset;var majorAxis=zeroVec(MAJOR_AXIS);majorAxis[i]=1;this.shader.uniforms.majorAxis=majorAxis;var screenAxis=zeroVec(SCREEN_AXIS);screenAxis[i]=1;this.shader.uniforms.screenAxis=screenAxis;this.shader.uniforms.lineWidth=lineWidth;this.shader.uniforms.color=color;this.vao.draw(this.gl.TRIANGLES,this.gridCount[i],this.gridOffset[i])};proto.drawZero=function(j,i,bounds,offset,color,lineWidth){var minorAxis=zeroVec(MINOR_AXIS);this.shader.uniforms.majorAxis=minorAxis;minorAxis[j]=bounds[1][j]-bounds[0][j];this.shader.uniforms.minorAxis=minorAxis;var noffset=copyVec(OFFSET_VEC,offset);noffset[j]+=bounds[0][j];this.shader.uniforms.offset=noffset;var screenAxis=zeroVec(SCREEN_AXIS);screenAxis[i]=1;this.shader.uniforms.screenAxis=screenAxis;this.shader.uniforms.lineWidth=lineWidth;this.shader.uniforms.color=color;this.vao.draw(this.gl.TRIANGLES,6)};proto.dispose=function(){this.vao.dispose();this.vertBuffer.dispose();this.shader.dispose()};function createLines(gl,bounds,ticks){var vertices=[];var tickOffset=[0,0,0];var tickCount=[0,0,0];var gridOffset=[0,0,0];var gridCount=[0,0,0];vertices.push(0,0,1,0,1,1,0,0,-1,0,0,-1,0,1,1,0,1,-1);for(var i=0;i<3;++i){var start=vertices.length/3|0;for(var j=0;j<ticks[i].length;++j){var x=+ticks[i][j].x;vertices.push(x,0,1,x,1,1,x,0,-1,x,0,-1,x,1,1,x,1,-1)}var end=vertices.length/3|0;tickOffset[i]=start;tickCount[i]=end-start;var start=vertices.length/3|0;for(var k=0;k<ticks[i].length;++k){var x=+ticks[i][k].x;vertices.push(x,0,1,x,1,1,x,0,-1,x,0,-1,x,1,1,x,1,-1)}var end=vertices.length/3|0;gridOffset[i]=start;gridCount[i]=end-start}var vertBuf=createBuffer(gl,new Float32Array(vertices));var vao=createVAO(gl,[{buffer:vertBuf,type:gl.FLOAT,size:3,stride:0,offset:0}]);var shader=createShader(gl);shader.attributes.position.location=0;return new Lines(gl,vertBuf,vao,shader,tickCount,tickOffset,gridCount,gridOffset)}},{"./shaders":26,"gl-buffer":32,"gl-vao":42}],26:[function(require,module,exports){"use strict";var createShader=require("gl-shader");var lineVert="#define GLSLIFY 1\nattribute vec3 position;\n\nuniform mat4 model, view, projection;\nuniform vec3 offset, majorAxis, minorAxis, screenAxis;\nuniform float lineWidth;\nuniform vec2 screenShape;\n\nvec3 project(vec3 p) {\n  vec4 pp = projection * view * model * vec4(p, 1.0);\n  return pp.xyz / max(pp.w, 0.0001);\n}\n\nvoid main() {\n  vec3 major = position.x * majorAxis;\n  vec3 minor = position.y * minorAxis;\n\n  vec3 vPosition = major + minor + offset;\n  vec3 pPosition = project(vPosition);\n  vec3 offset = project(vPosition + screenAxis * position.z);\n\n  vec2 screen = normalize((offset - pPosition).xy * screenShape) / screenShape;\n\n  gl_Position = vec4(pPosition + vec3(0.5 * screen * lineWidth, 0), 1.0);\n}\n";var lineFrag="#define GLSLIFY 1\nprecision mediump float;\nuniform vec4 color;\nvoid main() {\n  gl_FragColor = color;\n}";exports.line=function(gl){return createShader(gl,lineVert,lineFrag)};var textVert="#define GLSLIFY 1\nattribute vec3 position;\n\nuniform mat4 model, view, projection;\nuniform vec3 offset, axis;\nuniform float scale, angle, pixelScale;\nuniform vec2 resolution;\n\nvoid main() {  \n  //Compute plane offset\n  vec2 planeCoord = position.xy * pixelScale;\n  mat2 planeXform = scale * mat2(cos(angle), sin(angle),\n                                -sin(angle), cos(angle));\n  vec2 viewOffset = 2.0 * planeXform * planeCoord / resolution;\n\n  //Compute world offset\n  float axisDistance = position.z;\n  vec3 dataPosition = axisDistance * axis + offset;\n  vec4 worldPosition = model * vec4(dataPosition, 1);\n  \n  //Compute clip position\n  vec4 viewPosition = view * worldPosition;\n  vec4 clipPosition = projection * viewPosition;\n  clipPosition /= clipPosition.w;\n\n  //Apply text offset in clip coordinates\n  clipPosition += vec4(viewOffset, 0, 0);\n\n  //Done\n  gl_Position = clipPosition;\n}";

var textFrag="#define GLSLIFY 1\nprecision mediump float;\nuniform vec4 color;\nvoid main() {\n  gl_FragColor = color;\n}";exports.text=function(gl){return createShader(gl,textVert,textFrag)};var bgVert="#define GLSLIFY 1\nattribute vec3 position;\nattribute vec3 normal;\n\nuniform mat4 model, view, projection;\nuniform vec3 enable;\nuniform vec3 bounds[2];\n\nvarying vec3 colorChannel;\n\nvoid main() {\n  if(dot(normal, enable) > 0.0) {\n    vec3 nPosition = mix(bounds[0], bounds[1], 0.5 * (position + 1.0));\n    gl_Position = projection * view * model * vec4(nPosition, 1.0);\n  } else {\n    gl_Position = vec4(0,0,0,0);\n  }\n  colorChannel = abs(normal);\n}";var bgFrag="#define GLSLIFY 1\nprecision mediump float;\n\nuniform vec4 colors[3];\n\nvarying vec3 colorChannel;\n\nvoid main() {\n  gl_FragColor = colorChannel.x * colors[0] + \n                 colorChannel.y * colors[1] +\n                 colorChannel.z * colors[2];\n}";exports.bg=function(gl){return createShader(gl,bgVert,bgFrag)}},{"gl-shader":132}],27:[function(require,module,exports){(function(process){"use strict";module.exports=createTextSprites;var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var vectorizeText=require("vectorize-text");var createShader=require("./shaders").text;var globals=window||process.global||{};var __TEXT_CACHE=globals.__TEXT_CACHE||{};globals.__TEXT_CACHE={};var VERTEX_SIZE=3;var VERTEX_STRIDE=VERTEX_SIZE*4;function TextSprites(gl,shader,buffer,vao){this.gl=gl;this.shader=shader;this.buffer=buffer;this.vao=vao;this.tickOffset=this.tickCount=this.labelOffset=this.labelCount=null}var proto=TextSprites.prototype;var SHAPE=[0,0];proto.bind=function(model,view,projection,pixelScale){this.vao.bind();this.shader.bind();var uniforms=this.shader.uniforms;uniforms.model=model;uniforms.view=view;uniforms.projection=projection;uniforms.pixelScale=pixelScale;SHAPE[0]=this.gl.drawingBufferWidth;SHAPE[1]=this.gl.drawingBufferHeight;this.shader.uniforms.resolution=SHAPE};proto.update=function(bounds,labels,labelFont,ticks,tickFont){var gl=this.gl;var data=[];function addItem(t,text,font,size){var fontcache=__TEXT_CACHE[font];if(!fontcache){fontcache=__TEXT_CACHE[font]={}}var mesh=fontcache[text];if(!mesh){mesh=fontcache[text]=tryVectorizeText(text,{triangles:true,font:font,textAlign:"center",textBaseline:"middle"})}var scale=(size||12)/12;var positions=mesh.positions;var cells=mesh.cells;var lo=[Infinity,Infinity];var hi=[-Infinity,-Infinity];for(var i=0,nc=cells.length;i<nc;++i){var c=cells[i];for(var j=2;j>=0;--j){var p=positions[c[j]];data.push(scale*p[0],-scale*p[1],t)}}}var tickOffset=[0,0,0];var tickCount=[0,0,0];var labelOffset=[0,0,0];var labelCount=[0,0,0];for(var d=0;d<3;++d){labelOffset[d]=data.length/VERTEX_SIZE|0;addItem(.5*(bounds[0][d]+bounds[1][d]),labels[d],labelFont);labelCount[d]=(data.length/VERTEX_SIZE|0)-labelOffset[d];tickOffset[d]=data.length/VERTEX_SIZE|0;for(var i=0;i<ticks[d].length;++i){if(!ticks[d][i].text){continue}addItem(ticks[d][i].x,ticks[d][i].text,ticks[d][i].font||tickFont,ticks[d][i].fontSize||12)}tickCount[d]=(data.length/VERTEX_SIZE|0)-tickOffset[d]}this.buffer.update(data);this.tickOffset=tickOffset;this.tickCount=tickCount;this.labelOffset=labelOffset;this.labelCount=labelCount};var AXIS=[0,0,0];proto.drawTicks=function(d,scale,angle,offset,color){var v=AXIS;v[0]=v[1]=v[2]=0;v[d]=1;this.shader.uniforms.axis=v;this.shader.uniforms.color=color;this.shader.uniforms.angle=angle;this.shader.uniforms.scale=scale;this.shader.uniforms.offset=offset;this.vao.draw(this.gl.TRIANGLES,this.tickCount[d],this.tickOffset[d])};var ZERO=[0,0,0];proto.drawLabel=function(d,scale,angle,offset,color){this.shader.uniforms.axis=ZERO;this.shader.uniforms.color=color;this.shader.uniforms.angle=angle;this.shader.uniforms.scale=scale;this.shader.uniforms.offset=offset;this.vao.draw(this.gl.TRIANGLES,this.labelCount[d],this.labelOffset[d])};proto.dispose=function(){this.shader.dispose();this.vao.dispose();this.buffer.dispose()};function tryVectorizeText(text,options){try{return vectorizeText(text,options)}catch(e){console.warn("error vectorizing text:",e);return{cells:[],positions:[]}}}function createTextSprites(gl,bounds,labels,labelFont,ticks,tickFont){var buffer=createBuffer(gl);var vao=createVAO(gl,[{buffer:buffer,size:3}]);var shader=createShader(gl);shader.attributes.position.location=0;var result=new TextSprites(gl,shader,buffer,vao);result.update(bounds,labels,labelFont,ticks,tickFont);return result}}).call(this,require("_process"))},{"./shaders":26,_process:5,"gl-buffer":32,"gl-vao":42,"vectorize-text":54}],28:[function(require,module,exports){"use strict";exports.create=defaultTicks;exports.equal=ticksEqual;function prettyPrint(spacing,i){var stepStr=spacing+"";var u=stepStr.indexOf(".");var sigFigs=0;if(u>=0){sigFigs=stepStr.length-u-1}var shift=Math.pow(10,sigFigs);var x=Math.round(spacing*i*shift);var xstr=x+"";if(xstr.indexOf("e")>=0){return xstr}var xi=x/shift,xf=x%shift;if(x<0){xi=-Math.ceil(xi)|0;xf=-xf|0}else{xi=Math.floor(xi)|0;xf=xf|0}var xis=""+xi;if(x<0){xis="-"+xis}if(sigFigs){var xs=""+xf;while(xs.length<sigFigs){xs="0"+xs}return xis+"."+xs}else{return xis}}function defaultTicks(bounds,tickSpacing){var array=[];for(var d=0;d<3;++d){var ticks=[];var m=.5*(bounds[0][d]+bounds[1][d]);for(var t=0;t*tickSpacing[d]<=bounds[1][d];++t){ticks.push({x:t*tickSpacing[d],text:prettyPrint(tickSpacing[d],t)})}for(var t=-1;t*tickSpacing[d]>=bounds[0][d];--t){ticks.push({x:t*tickSpacing[d],text:prettyPrint(tickSpacing[d],t)})}array.push(ticks)}return array}function ticksEqual(ticksA,ticksB){for(var i=0;i<3;++i){if(ticksA[i].length!==ticksB[i].length){return false}for(var j=0;j<ticksA[i].length;++j){var a=ticksA[i][j];var b=ticksB[i][j];if(a.x!==b.x||a.text!==b.text){return false}}}return true}},{}],29:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],30:[function(require,module,exports){arguments[4][14][0].apply(exports,arguments)},{dup:14}],31:[function(require,module,exports){"use strict";module.exports=extractPlanes;function extractPlanes(M,zNear,zFar){var z=zNear||0;var zf=zFar||1;return[[M[12]+M[0],M[13]+M[1],M[14]+M[2],M[15]+M[3]],[M[12]-M[0],M[13]-M[1],M[14]-M[2],M[15]-M[3]],[M[12]+M[4],M[13]+M[5],M[14]+M[6],M[15]+M[7]],[M[12]-M[4],M[13]-M[5],M[14]-M[6],M[15]-M[7]],[z*M[12]+M[8],z*M[13]+M[9],z*M[14]+M[10],z*M[15]+M[11]],[zf*M[12]-M[8],zf*M[13]-M[9],zf*M[14]-M[10],zf*M[15]-M[11]]]}},{}],32:[function(require,module,exports){arguments[4][7][0].apply(exports,arguments)},{dup:7,ndarray:160,"ndarray-ops":33,"typedarray-pool":38}],33:[function(require,module,exports){arguments[4][8][0].apply(exports,arguments)},{"cwise-compiler":34,dup:8}],34:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{"./lib/thunk.js":36,dup:9}],35:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10,uniq:37}],36:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{"./compile.js":35,dup:11}],37:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],38:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":29,buffer:1,dup:30}],39:[function(require,module,exports){arguments[4][16][0].apply(exports,arguments)},{dup:16}],40:[function(require,module,exports){arguments[4][17][0].apply(exports,arguments)},{"./do-bind.js":39,dup:17}],41:[function(require,module,exports){arguments[4][18][0].apply(exports,arguments)},{"./do-bind.js":39,dup:18}],42:[function(require,module,exports){arguments[4][19][0].apply(exports,arguments)},{"./lib/vao-emulated.js":40,"./lib/vao-native.js":41,dup:19}],43:[function(require,module,exports){module.exports=transformMat4;function transformMat4(out,a,m){var x=a[0],y=a[1],z=a[2],w=a[3];out[0]=m[0]*x+m[4]*y+m[8]*z+m[12]*w;out[1]=m[1]*x+m[5]*y+m[9]*z+m[13]*w;out[2]=m[2]*x+m[6]*y+m[10]*z+m[14]*w;out[3]=m[3]*x+m[7]*y+m[11]*z+m[15]*w;return out}},{}],44:[function(require,module,exports){"use strict";module.exports=fastTwoSum;function fastTwoSum(a,b,result){var x=a+b;var bv=x-a;var av=x-bv;var br=b-bv;var ar=a-av;if(result){result[0]=ar+br;result[1]=x;return result}return[ar+br,x]}},{}],45:[function(require,module,exports){"use strict";var twoProduct=require("two-product");var twoSum=require("two-sum");module.exports=scaleLinearExpansion;function scaleLinearExpansion(e,scale){var n=e.length;if(n===1){var ts=twoProduct(e[0],scale);if(ts[0]){return ts}return[ts[1]]}var g=new Array(2*n);var q=[.1,.1];var t=[.1,.1];var count=0;twoProduct(e[0],scale,q);if(q[0]){g[count++]=q[0]}for(var i=1;i<n;++i){twoProduct(e[i],scale,t);var pq=q[1];twoSum(pq,t[0],q);if(q[0]){g[count++]=q[0]}var a=t[1];var b=q[1];var x=a+b;var bv=x-a;var y=b-bv;q[1]=x;if(y){g[count++]=y}}if(q[1]){g[count++]=q[1]}if(count===0){g[count++]=0}g.length=count;return g}},{"two-product":48,"two-sum":44}],46:[function(require,module,exports){"use strict";module.exports=robustSubtract;function scalarScalar(a,b){var x=a+b;var bv=x-a;var av=x-bv;var br=b-bv;var ar=a-av;var y=ar+br;if(y){return[y,x]}return[x]}function robustSubtract(e,f){var ne=e.length|0;var nf=f.length|0;if(ne===1&&nf===1){return scalarScalar(e[0],-f[0])}var n=ne+nf;var g=new Array(n);var count=0;var eptr=0;var fptr=0;var abs=Math.abs;var ei=e[eptr];var ea=abs(ei);var fi=-f[fptr];var fa=abs(fi);var a,b;if(ea<fa){b=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{b=fi;fptr+=1;if(fptr<nf){fi=-f[fptr];fa=abs(fi)}}if(eptr<ne&&ea<fa||fptr>=nf){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=-f[fptr];fa=abs(fi)}}var x=a+b;var bv=x-a;var y=b-bv;var q0=y;var q1=x;var _x,_bv,_av,_br,_ar;while(eptr<ne&&fptr<nf){if(ea<fa){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=-f[fptr];fa=abs(fi)}}b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x}while(eptr<ne){a=ei;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;eptr+=1;if(eptr<ne){ei=e[eptr]}}while(fptr<nf){a=fi;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;fptr+=1;if(fptr<nf){fi=-f[fptr]}}if(q0){g[count++]=q0}if(q1){g[count++]=q1}if(!count){g[count++]=0}g.length=count;return g}},{}],47:[function(require,module,exports){"use strict";module.exports=linearExpansionSum;function scalarScalar(a,b){var x=a+b;var bv=x-a;var av=x-bv;var br=b-bv;var ar=a-av;var y=ar+br;if(y){return[y,x]}return[x]}function linearExpansionSum(e,f){var ne=e.length|0;var nf=f.length|0;if(ne===1&&nf===1){return scalarScalar(e[0],f[0])}var n=ne+nf;var g=new Array(n);var count=0;var eptr=0;var fptr=0;var abs=Math.abs;var ei=e[eptr];var ea=abs(ei);var fi=f[fptr];var fa=abs(fi);var a,b;if(ea<fa){b=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{b=fi;fptr+=1;if(fptr<nf){fi=f[fptr];fa=abs(fi)}}if(eptr<ne&&ea<fa||fptr>=nf){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=f[fptr];fa=abs(fi)}}var x=a+b;var bv=x-a;var y=b-bv;var q0=y;var q1=x;var _x,_bv,_av,_br,_ar;while(eptr<ne&&fptr<nf){if(ea<fa){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=f[fptr];fa=abs(fi)}}b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x}while(eptr<ne){a=ei;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;eptr+=1;if(eptr<ne){ei=e[eptr]}}while(fptr<nf){a=fi;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;fptr+=1;if(fptr<nf){fi=f[fptr]}}if(q0){g[count++]=q0}if(q1){g[count++]=q1}if(!count){g[count++]=0}g.length=count;return g}},{}],48:[function(require,module,exports){"use strict";module.exports=twoProduct;var SPLITTER=+(Math.pow(2,27)+1);function twoProduct(a,b,result){var x=a*b;var c=SPLITTER*a;var abig=c-a;var ahi=c-abig;var alo=a-ahi;var d=SPLITTER*b;var bbig=d-b;var bhi=d-bbig;var blo=b-bhi;var err1=x-ahi*bhi;var err2=err1-alo*bhi;var err3=err2-ahi*blo;var y=alo*blo-err3;if(result){result[0]=y;result[1]=x;return result}return[y,x]}},{}],49:[function(require,module,exports){"use strict";var twoProduct=require("two-product");var robustSum=require("robust-sum");var robustScale=require("robust-scale");var robustSubtract=require("robust-subtract");var NUM_EXPAND=5;var EPSILON=1.1102230246251565e-16;var ERRBOUND3=(3+16*EPSILON)*EPSILON;var ERRBOUND4=(7+56*EPSILON)*EPSILON;function cofactor(m,c){var result=new Array(m.length-1);for(var i=1;i<m.length;++i){var r=result[i-1]=new Array(m.length-1);for(var j=0,k=0;j<m.length;++j){if(j===c){continue}r[k++]=m[i][j]}}return result}function matrix(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=new Array(n);for(var j=0;j<n;++j){result[i][j]=["m",j,"[",n-i-1,"]"].join("")}}return result}function sign(n){if(n&1){return"-"}return""}function generateSum(expr){if(expr.length===1){return expr[0]}else if(expr.length===2){return["sum(",expr[0],",",expr[1],")"].join("")}else{var m=expr.length>>1;return["sum(",generateSum(expr.slice(0,m)),",",generateSum(expr.slice(m)),")"].join("")}}function determinant(m){if(m.length===2){return[["sum(prod(",m[0][0],",",m[1][1],"),prod(-",m[0][1],",",m[1][0],"))"].join("")]}else{var expr=[];for(var i=0;i<m.length;++i){expr.push(["scale(",generateSum(determinant(cofactor(m,i))),",",sign(i),m[0][i],")"].join(""))}return expr}}function orientation(n){var pos=[];var neg=[];var m=matrix(n);var args=[];for(var i=0;i<n;++i){if((i&1)===0){pos.push.apply(pos,determinant(cofactor(m,i)))}else{neg.push.apply(neg,determinant(cofactor(m,i)))}args.push("m"+i)}var posExpr=generateSum(pos);var negExpr=generateSum(neg);var funcName="orientation"+n+"Exact";var code=["function ",funcName,"(",args.join(),"){var p=",posExpr,",n=",negExpr,",d=sub(p,n);return d[d.length-1];};return ",funcName].join("");var proc=new Function("sum","prod","scale","sub",code);return proc(robustSum,twoProduct,robustScale,robustSubtract)}var orientation3Exact=orientation(3);var orientation4Exact=orientation(4);var CACHED=[function orientation0(){return 0},function orientation1(){return 0},function orientation2(a,b){return b[0]-a[0]},function orientation3(a,b,c){var l=(a[1]-c[1])*(b[0]-c[0]);var r=(a[0]-c[0])*(b[1]-c[1]);var det=l-r;var s;if(l>0){if(r<=0){return det}else{s=l+r}}else if(l<0){if(r>=0){return det}else{s=-(l+r)}}else{return det}var tol=ERRBOUND3*s;if(det>=tol||det<=-tol){return det}return orientation3Exact(a,b,c)},function orientation4(a,b,c,d){var adx=a[0]-d[0];var bdx=b[0]-d[0];var cdx=c[0]-d[0];var ady=a[1]-d[1];var bdy=b[1]-d[1];var cdy=c[1]-d[1];var adz=a[2]-d[2];var bdz=b[2]-d[2];var cdz=c[2]-d[2];var bdxcdy=bdx*cdy;var cdxbdy=cdx*bdy;var cdxady=cdx*ady;var adxcdy=adx*cdy;var adxbdy=adx*bdy;var bdxady=bdx*ady;var det=adz*(bdxcdy-cdxbdy)+bdz*(cdxady-adxcdy)+cdz*(adxbdy-bdxady);var permanent=(Math.abs(bdxcdy)+Math.abs(cdxbdy))*Math.abs(adz)+(Math.abs(cdxady)+Math.abs(adxcdy))*Math.abs(bdz)+(Math.abs(adxbdy)+Math.abs(bdxady))*Math.abs(cdz);var tol=ERRBOUND4*permanent;if(det>tol||-det>tol){return det}return orientation4Exact(a,b,c,d)}];function slowOrient(args){var proc=CACHED[args.length];if(!proc){proc=CACHED[args.length]=orientation(args.length)}return proc.apply(undefined,args)}function generateOrientationProc(){while(CACHED.length<=NUM_EXPAND){CACHED.push(orientation(CACHED.length))}var args=[];var procArgs=["slow"];for(var i=0;i<=NUM_EXPAND;++i){args.push("a"+i);procArgs.push("o"+i)}var code=["function getOrientation(",args.join(),"){switch(arguments.length){case 0:case 1:return 0;"];for(var i=2;i<=NUM_EXPAND;++i){code.push("case ",i,":return o",i,"(",args.slice(0,i).join(),");")}code.push("}var s=new Array(arguments.length);for(var i=0;i<arguments.length;++i){s[i]=arguments[i]};return slow(s);}return getOrientation");procArgs.push(code.join(""));var proc=Function.apply(undefined,procArgs);module.exports=proc.apply(undefined,[slowOrient].concat(CACHED));for(var i=0;i<=NUM_EXPAND;++i){module.exports[i]=CACHED[i]}}generateOrientationProc()},{"robust-scale":45,"robust-subtract":46,"robust-sum":47,"two-product":48}],50:[function(require,module,exports){"use strict";var robustDot=require("robust-dot-product");var robustSum=require("robust-sum");module.exports=splitPolygon;module.exports.positive=positive;module.exports.negative=negative;function planeT(p,plane){var r=robustSum(robustDot(p,plane),[plane[plane.length-1]]);return r[r.length-1]}function lerpW(a,wa,b,wb){var d=wb-wa;var t=-wa/d;if(t<0){t=0}else if(t>1){t=1}var ti=1-t;var n=a.length;var r=new Array(n);for(var i=0;i<n;++i){r[i]=t*a[i]+ti*b[i]}return r}function splitPolygon(points,plane){var pos=[];var neg=[];var a=planeT(points[points.length-1],plane);for(var s=points[points.length-1],t=points[0],i=0;i<points.length;++i,s=t){t=points[i];var b=planeT(t,plane);if(a<0&&b>0||a>0&&b<0){var p=lerpW(s,b,t,a);pos.push(p);neg.push(p.slice())}if(b<0){neg.push(t.slice())}else if(b>0){pos.push(t.slice())}else{pos.push(t.slice());neg.push(t.slice())}a=b}return{positive:pos,negative:neg}}function positive(points,plane){var pos=[];var a=planeT(points[points.length-1],plane);for(var s=points[points.length-1],t=points[0],i=0;i<points.length;++i,s=t){t=points[i];var b=planeT(t,plane);if(a<0&&b>0||a>0&&b<0){pos.push(lerpW(s,b,t,a))}if(b>=0){pos.push(t.slice())}a=b}return pos}function negative(points,plane){var neg=[];var a=planeT(points[points.length-1],plane);for(var s=points[points.length-1],t=points[0],i=0;i<points.length;++i,s=t){t=points[i];var b=planeT(t,plane);if(a<0&&b>0||a>0&&b<0){neg.push(lerpW(s,b,t,a))}if(b<=0){neg.push(t.slice())}a=b}return neg}},{"robust-dot-product":51,"robust-sum":53}],51:[function(require,module,exports){"use strict";var twoProduct=require("two-product");var robustSum=require("robust-sum");module.exports=robustDotProduct;function robustDotProduct(a,b){var r=twoProduct(a[0],b[0]);for(var i=1;i<a.length;++i){r=robustSum(r,twoProduct(a[i],b[i]))}return r}},{"robust-sum":53,"two-product":52}],52:[function(require,module,exports){arguments[4][48][0].apply(exports,arguments)},{dup:48}],53:[function(require,module,exports){arguments[4][47][0].apply(exports,arguments)},{dup:47}],54:[function(require,module,exports){"use strict";module.exports=createText;var vectorizeText=require("./lib/vtext");var defaultCanvas=null;var defaultContext=null;if(typeof document!=="undefined"){defaultCanvas=document.createElement("canvas");defaultCanvas.width=8192;defaultCanvas.height=1024;defaultContext=defaultCanvas.getContext("2d")}function createText(str,options){if(typeof options!=="object"||options===null){options={}}return vectorizeText(str,options.canvas||defaultCanvas,options.context||defaultContext,options)}},{"./lib/vtext":55}],55:[function(require,module,exports){"use strict";module.exports=vectorizeText;module.exports.processPixels=processPixels;var surfaceNets=require("surface-nets");var ndarray=require("ndarray");var simplify=require("simplify-planar-graph");var toPolygons=require("planar-graph-to-polyline");var triangulate=require("triangulate-polyline");function transformPositions(positions,options,size){var align=options.textAlign||"start";var baseline=options.textBaseline||"alphabetic";var lo=[1<<30,1<<30];var hi=[0,0];var n=positions.length;for(var i=0;i<n;++i){var p=positions[i];for(var j=0;j<2;++j){lo[j]=Math.min(lo[j],p[j])|0;hi[j]=Math.max(hi[j],p[j])|0}}var xShift=0;switch(align){case"center":xShift=-.5*(lo[0]+hi[0]);break;case"right":case"end":xShift=-hi[0];break;case"left":case"start":xShift=-lo[0];break;default:throw new Error("vectorize-text: Unrecognized textAlign: '"+align+"'")}var yShift=0;switch(baseline){case"hanging":case"top":yShift=-lo[1];break;case"middle":yShift=-.5*(lo[1]+hi[1]);break;case"alphabetic":case"ideographic":yShift=-3*size;break;case"bottom":yShift=-hi[1];break;default:throw new Error("vectorize-text: Unrecoginized textBaseline: '"+baseline+"'")}var scale=1/size;if("lineHeight"in options){scale*=+options.lineHeight}else if("width"in options){scale=options.width/(hi[0]-lo[0])}else if("height"in options){scale=options.height/(hi[1]-lo[1])}return positions.map(function(p){return[scale*(p[0]+xShift),scale*(p[1]+yShift)]})}function getPixels(canvas,context,str,size){var width=Math.ceil(context.measureText(str).width+2*size)|0;if(width>8192){throw new Error("vectorize-text: String too long (sorry, this will get fixed later)")}var height=3*size;if(canvas.height<height){canvas.height=height}context.fillStyle="#000";context.fillRect(0,0,canvas.width,canvas.height);context.fillStyle="#fff";context.fillText(str,size,2*size);var pixelData=context.getImageData(0,0,width,height);var pixels=ndarray(pixelData.data,[height,width,4]);return pixels.pick(-1,-1,0).transpose(1,0)}function getContour(pixels,doSimplify){var contour=surfaceNets(pixels,128);if(doSimplify){return simplify(contour.cells,contour.positions,.25)}return{edges:contour.cells,positions:contour.positions}}function processPixelsImpl(pixels,options,size,simplify){var contour=getContour(pixels,simplify);var npositions=transformPositions(contour.positions,options,size);var flip="ccw"===options.orientation;if(options.polygons||options.polygon||options.polyline){var polygons=toPolygons(contour.edges,contour.positions);return polygons.map(function(polygon){if(flip){polygon.reverse()}return polygon.map(function(loop){return loop.map(function(v){return npositions[v]})})})}else if(options.triangles||options.triangulate||options.triangle){var polygons=toPolygons(contour.edges,contour.positions);var triangles=[];for(var i=0;i<polygons.length;++i){triangles.push.apply(triangles,triangulate(polygons[i],contour.positions))}if(flip){for(var i=0;i<triangles.length;++i){var c=triangles[i];var tmp=c[0];c[0]=c[2];c[2]=tmp}}return{cells:triangles,positions:npositions}}else{return{edges:contour.edges,positions:npositions}}}function processPixels(pixels,options,size){try{return processPixelsImpl(pixels,options,size,true)}catch(e){}try{return processPixelsImpl(pixels,options,size,false)}catch(e){}if(options.polygons||options.polyline||options.polygon){return[]}if(options.triangles||options.triangulate||options.triangle){return{cells:[],positions:[]}}return{edges:[],positions:[]}}function vectorizeText(str,canvas,context,options){var size=options.size||64;var family=options.font||"normal";context.font=size+"px "+family;context.textAlign="start";context.textBaseline="alphabetic";context.direction="ltr";var pixels=getPixels(canvas,context,str,size);return processPixels(pixels,options,size)}},{ndarray:160,"planar-graph-to-polyline":73,"simplify-planar-graph":77,"surface-nets":93,"triangulate-polyline":104}],56:[function(require,module,exports){"use strict";module.exports=trimLeaves;var e2a=require("edges-to-adjacency-list");function trimLeaves(edges,positions){var adj=e2a(edges,positions.length);var live=new Array(positions.length);var nbhd=new Array(positions.length);var dead=[];for(var i=0;i<positions.length;++i){var count=adj[i].length;nbhd[i]=count;live[i]=true;if(count<=1){dead.push(i)}}while(dead.length>0){var v=dead.pop();live[v]=false;var n=adj[v];for(var i=0;i<n.length;++i){var u=n[i];if(--nbhd[u]===0){dead.push(u)}}}var newIndex=new Array(positions.length);var npositions=[];for(var i=0;i<positions.length;++i){if(live[i]){var v=npositions.length;newIndex[i]=v;npositions.push(positions[i])}else{newIndex[i]=-1}}var nedges=[];for(var i=0;i<edges.length;++i){var e=edges[i];if(live[e[0]]&&live[e[1]]){nedges.push([newIndex[e[0]],newIndex[e[1]]])}}return[nedges,npositions]}},{"edges-to-adjacency-list":57}],57:[function(require,module,exports){"use strict";module.exports=edgeToAdjacency;var uniq=require("uniq");function edgeToAdjacency(edges,numVertices){var numEdges=edges.length;if(typeof numVertices!=="number"){numVertices=0;for(var i=0;i<numEdges;++i){var e=edges[i];numVertices=Math.max(numVertices,e[0],e[1])}numVertices=(numVertices|0)+1}numVertices=numVertices|0;var adj=new Array(numVertices);for(var i=0;i<numVertices;++i){adj[i]=[]}for(var i=0;i<numEdges;++i){var e=edges[i];adj[e[0]].push(e[1]);adj[e[1]].push(e[0])}for(var j=0;j<numVertices;++j){uniq(adj[j],function(a,b){return a-b})}return adj}},{uniq:72}],58:[function(require,module,exports){"use strict";module.exports=planarDual;var compareAngle=require("compare-angle");function planarDual(cells,positions){var numVertices=positions.length|0;var numEdges=cells.length;var adj=[new Array(numVertices),new Array(numVertices)];for(var i=0;i<numVertices;++i){adj[0][i]=[];adj[1][i]=[]}for(var i=0;i<numEdges;++i){var c=cells[i];adj[0][c[0]].push(c);adj[1][c[1]].push(c)}var cycles=[];for(var i=0;i<numVertices;++i){if(adj[0][i].length+adj[1][i].length===0){cycles.push([i])}}function cut(c,i){var a=adj[i][c[i]];a.splice(a.indexOf(c),1)}function next(a,b,noCut){var nextCell,nextVertex,nextDir;for(var i=0;i<2;++i){if(adj[i][b].length>0){nextCell=adj[i][b][0];nextDir=i;break}}nextVertex=nextCell[nextDir^1];for(var dir=0;dir<2;++dir){var nbhd=adj[dir][b];for(var k=0;k<nbhd.length;++k){var e=nbhd[k];var p=e[dir^1];var cmp=compareAngle(positions[a],positions[b],positions[nextVertex],positions[p]);if(cmp>0){nextCell=e;nextVertex=p;nextDir=dir}}}if(noCut){return nextVertex}if(nextCell){cut(nextCell,nextDir)}return nextVertex}function extractCycle(v,dir){var e0=adj[dir][v][0];var cycle=[v];cut(e0,dir);var u=e0[dir^1];var d0=dir;while(true){while(u!==v){cycle.push(u);u=next(cycle[cycle.length-2],u,false)}if(adj[0][v].length+adj[1][v].length===0){break}var a=cycle[cycle.length-1];var b=v;var c=cycle[1];var d=next(a,b,true);if(compareAngle(positions[a],positions[b],positions[c],positions[d])<0){break}cycle.push(v);u=next(a,b)}return cycle}function shouldGlue(pcycle,ncycle){return ncycle[1]===ncycle[ncycle.length-1]}for(var i=0;i<numVertices;++i){for(var j=0;j<2;++j){var pcycle=[];while(adj[j][i].length>0){var ni=adj[0][i].length;var ncycle=extractCycle(i,j);if(shouldGlue(pcycle,ncycle)){pcycle.push.apply(pcycle,ncycle)}else{if(pcycle.length>0){cycles.push(pcycle)}pcycle=ncycle}}if(pcycle.length>0){cycles.push(pcycle)}}}return cycles}},{"compare-angle":59}],59:[function(require,module,exports){"use strict";module.exports=compareAngle;var orient=require("robust-orientation");var sgn=require("signum");var twoSum=require("two-sum");var robustProduct=require("robust-product");var robustSum=require("robust-sum");function testInterior(a,b,c){var x0=twoSum(a[0],-b[0]);var y0=twoSum(a[1],-b[1]);var x1=twoSum(c[0],-b[0]);var y1=twoSum(c[1],-b[1]);var d=robustSum(robustProduct(x0,x1),robustProduct(y0,y1));return d[d.length-1]>=0}function compareAngle(a,b,c,d){var bcd=orient(b,c,d);if(bcd===0){var sabc=sgn(orient(a,b,c));var sabd=sgn(orient(a,b,d));if(sabc===sabd){if(sabc===0){var ic=testInterior(a,b,c);var id=testInterior(a,b,d);if(ic===id){return 0}else if(ic){return 1}else{return-1}}return 0}else if(sabd===0){if(sabc>0){return-1}else if(testInterior(a,b,d)){return-1}else{return 1}}else if(sabc===0){if(sabd>0){return 1}else if(testInterior(a,b,c)){return 1}else{return-1}}return sgn(sabd-sabc)}var abc=orient(a,b,c);if(abc>0){if(bcd>0&&orient(a,b,d)>0){return 1}return-1}else if(abc<0){if(bcd>0||orient(a,b,d)>0){return 1}return-1}else{var abd=orient(a,b,d);if(abd>0){return 1}else{if(testInterior(a,b,c)){return 1}else{return-1}}}}},{"robust-orientation":49,"robust-product":61,"robust-sum":70,signum:62,"two-sum":63}],60:[function(require,module,exports){arguments[4][45][0].apply(exports,arguments)},{dup:45,"two-product":71,"two-sum":63}],61:[function(require,module,exports){"use strict";var robustSum=require("robust-sum");var robustScale=require("robust-scale");module.exports=robustProduct;function robustProduct(a,b){if(a.length===1){return robustScale(b,a[0])}if(b.length===1){return robustScale(a,b[0])}if(a.length===0||b.length===0){return[0]}var r=[0];if(a.length<b.length){
for(var i=0;i<a.length;++i){r=robustSum(r,robustScale(b,a[i]))}}else{for(var i=0;i<b.length;++i){r=robustSum(r,robustScale(a,b[i]))}}return r}},{"robust-scale":60,"robust-sum":70}],62:[function(require,module,exports){"use strict";module.exports=function signum(x){if(x<0){return-1}if(x>0){return 1}return 0}},{}],63:[function(require,module,exports){arguments[4][44][0].apply(exports,arguments)},{dup:44}],64:[function(require,module,exports){"use strict";function compileSearch(funcName,predicate,reversed,extraArgs,useNdarray,earlyOut){var code=["function ",funcName,"(a,l,h,",extraArgs.join(","),"){",earlyOut?"":"var i=",reversed?"l-1":"h+1",";while(l<=h){var m=(l+h)>>>1,x=a",useNdarray?".get(m)":"[m]"];if(earlyOut){if(predicate.indexOf("c")<0){code.push(";if(x===y){return m}else if(x<=y){")}else{code.push(";var p=c(x,y);if(p===0){return m}else if(p<=0){")}}else{code.push(";if(",predicate,"){i=m;")}if(reversed){code.push("l=m+1}else{h=m-1}")}else{code.push("h=m-1}else{l=m+1}")}code.push("}");if(earlyOut){code.push("return -1};")}else{code.push("return i};")}return code.join("")}function compileBoundsSearch(predicate,reversed,suffix,earlyOut){var result=new Function([compileSearch("A","x"+predicate+"y",reversed,["y"],false,earlyOut),compileSearch("B","x"+predicate+"y",reversed,["y"],true,earlyOut),compileSearch("P","c(x,y)"+predicate+"0",reversed,["y","c"],false,earlyOut),compileSearch("Q","c(x,y)"+predicate+"0",reversed,["y","c"],true,earlyOut),"function dispatchBsearch",suffix,"(a,y,c,l,h){if(a.shape){if(typeof(c)==='function'){return Q(a,(l===undefined)?0:l|0,(h===undefined)?a.shape[0]-1:h|0,y,c)}else{return B(a,(c===undefined)?0:c|0,(l===undefined)?a.shape[0]-1:l|0,y)}}else{if(typeof(c)==='function'){return P(a,(l===undefined)?0:l|0,(h===undefined)?a.length-1:h|0,y,c)}else{return A(a,(c===undefined)?0:c|0,(l===undefined)?a.length-1:l|0,y)}}}return dispatchBsearch",suffix].join(""));return result()}module.exports={ge:compileBoundsSearch(">=",false,"GE"),gt:compileBoundsSearch(">",false,"GT"),lt:compileBoundsSearch("<",true,"LT"),le:compileBoundsSearch("<=",true,"LE"),eq:compileBoundsSearch("-",true,"EQ",true)}},{}],65:[function(require,module,exports){"use strict";var bounds=require("binary-search-bounds");var NOT_FOUND=0;var SUCCESS=1;var EMPTY=2;module.exports=createWrapper;function IntervalTreeNode(mid,left,right,leftPoints,rightPoints){this.mid=mid;this.left=left;this.right=right;this.leftPoints=leftPoints;this.rightPoints=rightPoints;this.count=(left?left.count:0)+(right?right.count:0)+leftPoints.length}var proto=IntervalTreeNode.prototype;function copy(a,b){a.mid=b.mid;a.left=b.left;a.right=b.right;a.leftPoints=b.leftPoints;a.rightPoints=b.rightPoints;a.count=b.count}function rebuild(node,intervals){var ntree=createIntervalTree(intervals);node.mid=ntree.mid;node.left=ntree.left;node.right=ntree.right;node.leftPoints=ntree.leftPoints;node.rightPoints=ntree.rightPoints;node.count=ntree.count}function rebuildWithInterval(node,interval){var intervals=node.intervals([]);intervals.push(interval);rebuild(node,intervals)}function rebuildWithoutInterval(node,interval){var intervals=node.intervals([]);var idx=intervals.indexOf(interval);if(idx<0){return NOT_FOUND}intervals.splice(idx,1);rebuild(node,intervals);return SUCCESS}proto.intervals=function(result){result.push.apply(result,this.leftPoints);if(this.left){this.left.intervals(result)}if(this.right){this.right.intervals(result)}return result};proto.insert=function(interval){var weight=this.count-this.leftPoints.length;this.count+=1;if(interval[1]<this.mid){if(this.left){if(4*(this.left.count+1)>3*(weight+1)){rebuildWithInterval(this,interval)}else{this.left.insert(interval)}}else{this.left=createIntervalTree([interval])}}else if(interval[0]>this.mid){if(this.right){if(4*(this.right.count+1)>3*(weight+1)){rebuildWithInterval(this,interval)}else{this.right.insert(interval)}}else{this.right=createIntervalTree([interval])}}else{var l=bounds.ge(this.leftPoints,interval,compareBegin);var r=bounds.ge(this.rightPoints,interval,compareEnd);this.leftPoints.splice(l,0,interval);this.rightPoints.splice(r,0,interval)}};proto.remove=function(interval){var weight=this.count-this.leftPoints;if(interval[1]<this.mid){if(!this.left){return NOT_FOUND}var rw=this.right?this.right.count:0;if(4*rw>3*(weight-1)){return rebuildWithoutInterval(this,interval)}var r=this.left.remove(interval);if(r===EMPTY){this.left=null;this.count-=1;return SUCCESS}else if(r===SUCCESS){this.count-=1}return r}else if(interval[0]>this.mid){if(!this.right){return NOT_FOUND}var lw=this.left?this.left.count:0;if(4*lw>3*(weight-1)){return rebuildWithoutInterval(this,interval)}var r=this.right.remove(interval);if(r===EMPTY){this.right=null;this.count-=1;return SUCCESS}else if(r===SUCCESS){this.count-=1}return r}else{if(this.count===1){if(this.leftPoints[0]===interval){return EMPTY}else{return NOT_FOUND}}if(this.leftPoints.length===1&&this.leftPoints[0]===interval){if(this.left&&this.right){var p=this;var n=this.left;while(n.right){p=n;n=n.right}if(p===this){n.right=this.right}else{var l=this.left;var r=this.right;p.count-=n.count;p.right=n.left;n.left=l;n.right=r}copy(this,n);this.count=(this.left?this.left.count:0)+(this.right?this.right.count:0)+this.leftPoints.length}else if(this.left){copy(this,this.left)}else{copy(this,this.right)}return SUCCESS}for(var l=bounds.ge(this.leftPoints,interval,compareBegin);l<this.leftPoints.length;++l){if(this.leftPoints[l][0]!==interval[0]){break}if(this.leftPoints[l]===interval){this.count-=1;this.leftPoints.splice(l,1);for(var r=bounds.ge(this.rightPoints,interval,compareEnd);r<this.rightPoints.length;++r){if(this.rightPoints[r][1]!==interval[1]){break}else if(this.rightPoints[r]===interval){this.rightPoints.splice(r,1);return SUCCESS}}}}return NOT_FOUND}};function reportLeftRange(arr,hi,cb){for(var i=0;i<arr.length&&arr[i][0]<=hi;++i){var r=cb(arr[i]);if(r){return r}}}function reportRightRange(arr,lo,cb){for(var i=arr.length-1;i>=0&&arr[i][1]>=lo;--i){var r=cb(arr[i]);if(r){return r}}}function reportRange(arr,cb){for(var i=0;i<arr.length;++i){var r=cb(arr[i]);if(r){return r}}}proto.queryPoint=function(x,cb){if(x<this.mid){if(this.left){var r=this.left.queryPoint(x,cb);if(r){return r}}return reportLeftRange(this.leftPoints,x,cb)}else if(x>this.mid){if(this.right){var r=this.right.queryPoint(x,cb);if(r){return r}}return reportRightRange(this.rightPoints,x,cb)}else{return reportRange(this.leftPoints,cb)}};proto.queryInterval=function(lo,hi,cb){if(lo<this.mid&&this.left){var r=this.left.queryInterval(lo,hi,cb);if(r){return r}}if(hi>this.mid&&this.right){var r=this.right.queryInterval(lo,hi,cb);if(r){return r}}if(hi<this.mid){return reportLeftRange(this.leftPoints,hi,cb)}else if(lo>this.mid){return reportRightRange(this.rightPoints,lo,cb)}else{return reportRange(this.leftPoints,cb)}};function compareNumbers(a,b){return a-b}function compareBegin(a,b){var d=a[0]-b[0];if(d){return d}return a[1]-b[1]}function compareEnd(a,b){var d=a[1]-b[1];if(d){return d}return a[0]-b[0]}function createIntervalTree(intervals){if(intervals.length===0){return null}var pts=[];for(var i=0;i<intervals.length;++i){pts.push(intervals[i][0],intervals[i][1])}pts.sort(compareNumbers);var mid=pts[pts.length>>1];var leftIntervals=[];var rightIntervals=[];var centerIntervals=[];for(var i=0;i<intervals.length;++i){var s=intervals[i];if(s[1]<mid){leftIntervals.push(s)}else if(mid<s[0]){rightIntervals.push(s)}else{centerIntervals.push(s)}}var leftPoints=centerIntervals;var rightPoints=centerIntervals.slice();leftPoints.sort(compareBegin);rightPoints.sort(compareEnd);return new IntervalTreeNode(mid,createIntervalTree(leftIntervals),createIntervalTree(rightIntervals),leftPoints,rightPoints)}function IntervalTree(root){this.root=root}var tproto=IntervalTree.prototype;tproto.insert=function(interval){if(this.root){this.root.insert(interval)}else{this.root=new IntervalTreeNode(interval[0],null,null,[interval],[interval])}};tproto.remove=function(interval){if(this.root){var r=this.root.remove(interval);if(r===EMPTY){this.root=null}return r!==NOT_FOUND}return false};tproto.queryPoint=function(p,cb){if(this.root){return this.root.queryPoint(p,cb)}};tproto.queryInterval=function(lo,hi,cb){if(lo<=hi&&this.root){return this.root.queryInterval(lo,hi,cb)}};Object.defineProperty(tproto,"count",{get:function(){if(this.root){return this.root.count}return 0}});Object.defineProperty(tproto,"intervals",{get:function(){if(this.root){return this.root.intervals([])}return[]}});function createWrapper(intervals){if(!intervals||intervals.length===0){return new IntervalTree(null)}return new IntervalTree(createIntervalTree(intervals))}},{"binary-search-bounds":64}],66:[function(require,module,exports){"use strict";module.exports=orderSegments;var orient=require("robust-orientation");function horizontalOrder(a,b){var bl,br;if(b[0][0]<b[1][0]){bl=b[0];br=b[1]}else if(b[0][0]>b[1][0]){bl=b[1];br=b[0]}else{var alo=Math.min(a[0][1],a[1][1]);var ahi=Math.max(a[0][1],a[1][1]);var blo=Math.min(b[0][1],b[1][1]);var bhi=Math.max(b[0][1],b[1][1]);if(ahi<blo){return ahi-blo}if(alo>bhi){return alo-bhi}return ahi-bhi}var al,ar;if(a[0][1]<a[1][1]){al=a[0];ar=a[1]}else{al=a[1];ar=a[0]}var d=orient(br,bl,al);if(d){return d}d=orient(br,bl,ar);if(d){return d}return ar-br}function orderSegments(b,a){var al,ar;if(a[0][0]<a[1][0]){al=a[0];ar=a[1]}else if(a[0][0]>a[1][0]){al=a[1];ar=a[0]}else{return horizontalOrder(a,b)}var bl,br;if(b[0][0]<b[1][0]){bl=b[0];br=b[1]}else if(b[0][0]>b[1][0]){bl=b[1];br=b[0]}else{return-horizontalOrder(b,a)}var d1=orient(al,ar,br);var d2=orient(al,ar,bl);if(d1<0){if(d2<=0){return d1}}else if(d1>0){if(d2>=0){return d1}}else if(d2){return d2}d1=orient(br,bl,ar);d2=orient(br,bl,al);if(d1<0){if(d2<=0){return d1}}else if(d1>0){if(d2>=0){return d1}}else if(d2){return d2}return ar[0]-br[0]}},{"robust-orientation":49}],67:[function(require,module,exports){"use strict";module.exports=createRBTree;var RED=0;var BLACK=1;function RBNode(color,key,value,left,right,count){this._color=color;this.key=key;this.value=value;this.left=left;this.right=right;this._count=count}function cloneNode(node){return new RBNode(node._color,node.key,node.value,node.left,node.right,node._count)}function repaint(color,node){return new RBNode(color,node.key,node.value,node.left,node.right,node._count)}function recount(node){node._count=1+(node.left?node.left._count:0)+(node.right?node.right._count:0)}function RedBlackTree(compare,root){this._compare=compare;this.root=root}var proto=RedBlackTree.prototype;Object.defineProperty(proto,"keys",{get:function(){var result=[];this.forEach(function(k,v){result.push(k)});return result}});Object.defineProperty(proto,"values",{get:function(){var result=[];this.forEach(function(k,v){result.push(v)});return result}});Object.defineProperty(proto,"length",{get:function(){if(this.root){return this.root._count}return 0}});proto.insert=function(key,value){var cmp=this._compare;var n=this.root;var n_stack=[];var d_stack=[];while(n){var d=cmp(key,n.key);n_stack.push(n);d_stack.push(d);if(d<=0){n=n.left}else{n=n.right}}n_stack.push(new RBNode(RED,key,value,null,null,1));for(var s=n_stack.length-2;s>=0;--s){var n=n_stack[s];if(d_stack[s]<=0){n_stack[s]=new RBNode(n._color,n.key,n.value,n_stack[s+1],n.right,n._count+1)}else{n_stack[s]=new RBNode(n._color,n.key,n.value,n.left,n_stack[s+1],n._count+1)}}for(var s=n_stack.length-1;s>1;--s){var p=n_stack[s-1];var n=n_stack[s];if(p._color===BLACK||n._color===BLACK){break}var pp=n_stack[s-2];if(pp.left===p){if(p.left===n){var y=pp.right;if(y&&y._color===RED){p._color=BLACK;pp.right=repaint(BLACK,y);pp._color=RED;s-=1}else{pp._color=RED;pp.left=p.right;p._color=BLACK;p.right=pp;n_stack[s-2]=p;n_stack[s-1]=n;recount(pp);recount(p);if(s>=3){var ppp=n_stack[s-3];if(ppp.left===pp){ppp.left=p}else{ppp.right=p}}break}}else{var y=pp.right;if(y&&y._color===RED){p._color=BLACK;pp.right=repaint(BLACK,y);pp._color=RED;s-=1}else{p.right=n.left;pp._color=RED;pp.left=n.right;n._color=BLACK;n.left=p;n.right=pp;n_stack[s-2]=n;n_stack[s-1]=p;recount(pp);recount(p);recount(n);if(s>=3){var ppp=n_stack[s-3];if(ppp.left===pp){ppp.left=n}else{ppp.right=n}}break}}}else{if(p.right===n){var y=pp.left;if(y&&y._color===RED){p._color=BLACK;pp.left=repaint(BLACK,y);pp._color=RED;s-=1}else{pp._color=RED;pp.right=p.left;p._color=BLACK;p.left=pp;n_stack[s-2]=p;n_stack[s-1]=n;recount(pp);recount(p);if(s>=3){var ppp=n_stack[s-3];if(ppp.right===pp){ppp.right=p}else{ppp.left=p}}break}}else{var y=pp.left;if(y&&y._color===RED){p._color=BLACK;pp.left=repaint(BLACK,y);pp._color=RED;s-=1}else{p.left=n.right;pp._color=RED;pp.right=n.left;n._color=BLACK;n.right=p;n.left=pp;n_stack[s-2]=n;n_stack[s-1]=p;recount(pp);recount(p);recount(n);if(s>=3){var ppp=n_stack[s-3];if(ppp.right===pp){ppp.right=n}else{ppp.left=n}}break}}}}n_stack[0]._color=BLACK;return new RedBlackTree(cmp,n_stack[0])};function doVisitFull(visit,node){if(node.left){var v=doVisitFull(visit,node.left);if(v){return v}}var v=visit(node.key,node.value);if(v){return v}if(node.right){return doVisitFull(visit,node.right)}}function doVisitHalf(lo,compare,visit,node){var l=compare(lo,node.key);if(l<=0){if(node.left){var v=doVisitHalf(lo,compare,visit,node.left);if(v){return v}}var v=visit(node.key,node.value);if(v){return v}}if(node.right){return doVisitHalf(lo,compare,visit,node.right)}}function doVisit(lo,hi,compare,visit,node){var l=compare(lo,node.key);var h=compare(hi,node.key);var v;if(l<=0){if(node.left){v=doVisit(lo,hi,compare,visit,node.left);if(v){return v}}if(h>0){v=visit(node.key,node.value);if(v){return v}}}if(h>0&&node.right){return doVisit(lo,hi,compare,visit,node.right)}}proto.forEach=function rbTreeForEach(visit,lo,hi){if(!this.root){return}switch(arguments.length){case 1:return doVisitFull(visit,this.root);break;case 2:return doVisitHalf(lo,this._compare,visit,this.root);break;case 3:if(this._compare(lo,hi)>=0){return}return doVisit(lo,hi,this._compare,visit,this.root);break}};Object.defineProperty(proto,"begin",{get:function(){var stack=[];var n=this.root;while(n){stack.push(n);n=n.left}return new RedBlackTreeIterator(this,stack)}});Object.defineProperty(proto,"end",{get:function(){var stack=[];var n=this.root;while(n){stack.push(n);n=n.right}return new RedBlackTreeIterator(this,stack)}});proto.at=function(idx){if(idx<0){return new RedBlackTreeIterator(this,[])}var n=this.root;var stack=[];while(true){stack.push(n);if(n.left){if(idx<n.left._count){n=n.left;continue}idx-=n.left._count}if(!idx){return new RedBlackTreeIterator(this,stack)}idx-=1;if(n.right){if(idx>=n.right._count){break}n=n.right}else{break}}return new RedBlackTreeIterator(this,[])};proto.ge=function(key){var cmp=this._compare;var n=this.root;var stack=[];var last_ptr=0;while(n){var d=cmp(key,n.key);stack.push(n);if(d<=0){last_ptr=stack.length}if(d<=0){n=n.left}else{n=n.right}}stack.length=last_ptr;return new RedBlackTreeIterator(this,stack)};proto.gt=function(key){var cmp=this._compare;var n=this.root;var stack=[];var last_ptr=0;while(n){var d=cmp(key,n.key);stack.push(n);if(d<0){last_ptr=stack.length}if(d<0){n=n.left}else{n=n.right}}stack.length=last_ptr;return new RedBlackTreeIterator(this,stack)};proto.lt=function(key){var cmp=this._compare;var n=this.root;var stack=[];var last_ptr=0;while(n){var d=cmp(key,n.key);stack.push(n);if(d>0){last_ptr=stack.length}if(d<=0){n=n.left}else{n=n.right}}stack.length=last_ptr;return new RedBlackTreeIterator(this,stack)};proto.le=function(key){var cmp=this._compare;var n=this.root;var stack=[];var last_ptr=0;while(n){var d=cmp(key,n.key);stack.push(n);if(d>=0){last_ptr=stack.length}if(d<0){n=n.left}else{n=n.right}}stack.length=last_ptr;return new RedBlackTreeIterator(this,stack)};proto.find=function(key){var cmp=this._compare;var n=this.root;var stack=[];while(n){var d=cmp(key,n.key);stack.push(n);if(d===0){return new RedBlackTreeIterator(this,stack)}if(d<=0){n=n.left}else{n=n.right}}return new RedBlackTreeIterator(this,[])};proto.remove=function(key){var iter=this.find(key);if(iter){return iter.remove()}return this};proto.get=function(key){var cmp=this._compare;var n=this.root;while(n){var d=cmp(key,n.key);if(d===0){return n.value}if(d<=0){n=n.left}else{n=n.right}}return};function RedBlackTreeIterator(tree,stack){this.tree=tree;this._stack=stack}var iproto=RedBlackTreeIterator.prototype;Object.defineProperty(iproto,"valid",{get:function(){return this._stack.length>0}});Object.defineProperty(iproto,"node",{get:function(){if(this._stack.length>0){return this._stack[this._stack.length-1]}return null},enumerable:true});iproto.clone=function(){return new RedBlackTreeIterator(this.tree,this._stack.slice())};function swapNode(n,v){n.key=v.key;n.value=v.value;n.left=v.left;n.right=v.right;n._color=v._color;n._count=v._count}function fixDoubleBlack(stack){var n,p,s,z;for(var i=stack.length-1;i>=0;--i){n=stack[i];if(i===0){n._color=BLACK;return}p=stack[i-1];if(p.left===n){s=p.right;if(s.right&&s.right._color===RED){s=p.right=cloneNode(s);z=s.right=cloneNode(s.right);p.right=s.left;s.left=p;s.right=z;s._color=p._color;n._color=BLACK;p._color=BLACK;z._color=BLACK;recount(p);recount(s);if(i>1){var pp=stack[i-2];if(pp.left===p){pp.left=s}else{pp.right=s}}stack[i-1]=s;return}else if(s.left&&s.left._color===RED){s=p.right=cloneNode(s);z=s.left=cloneNode(s.left);p.right=z.left;s.left=z.right;z.left=p;z.right=s;z._color=p._color;p._color=BLACK;s._color=BLACK;n._color=BLACK;recount(p);recount(s);recount(z);if(i>1){var pp=stack[i-2];if(pp.left===p){pp.left=z}else{pp.right=z}}stack[i-1]=z;return}if(s._color===BLACK){if(p._color===RED){p._color=BLACK;p.right=repaint(RED,s);return}else{p.right=repaint(RED,s);continue}}else{s=cloneNode(s);p.right=s.left;s.left=p;s._color=p._color;p._color=RED;recount(p);recount(s);if(i>1){var pp=stack[i-2];if(pp.left===p){pp.left=s}else{pp.right=s}}stack[i-1]=s;stack[i]=p;if(i+1<stack.length){stack[i+1]=n}else{stack.push(n)}i=i+2}}else{s=p.left;if(s.left&&s.left._color===RED){s=p.left=cloneNode(s);z=s.left=cloneNode(s.left);p.left=s.right;s.right=p;s.left=z;s._color=p._color;n._color=BLACK;p._color=BLACK;z._color=BLACK;recount(p);recount(s);if(i>1){var pp=stack[i-2];if(pp.right===p){pp.right=s}else{pp.left=s}}stack[i-1]=s;return}else if(s.right&&s.right._color===RED){s=p.left=cloneNode(s);z=s.right=cloneNode(s.right);p.left=z.right;s.right=z.left;z.right=p;z.left=s;z._color=p._color;p._color=BLACK;s._color=BLACK;n._color=BLACK;recount(p);recount(s);recount(z);if(i>1){var pp=stack[i-2];if(pp.right===p){pp.right=z}else{pp.left=z}}stack[i-1]=z;return}if(s._color===BLACK){if(p._color===RED){p._color=BLACK;p.left=repaint(RED,s);return}else{p.left=repaint(RED,s);continue}}else{s=cloneNode(s);p.left=s.right;s.right=p;s._color=p._color;p._color=RED;recount(p);recount(s);if(i>1){var pp=stack[i-2];if(pp.right===p){pp.right=s}else{pp.left=s}}stack[i-1]=s;stack[i]=p;if(i+1<stack.length){stack[i+1]=n}else{stack.push(n)}i=i+2}}}}iproto.remove=function(){var stack=this._stack;if(stack.length===0){return this.tree}var cstack=new Array(stack.length);var n=stack[stack.length-1];cstack[cstack.length-1]=new RBNode(n._color,n.key,n.value,n.left,n.right,n._count);for(var i=stack.length-2;i>=0;--i){var n=stack[i];if(n.left===stack[i+1]){cstack[i]=new RBNode(n._color,n.key,n.value,cstack[i+1],n.right,n._count)}else{cstack[i]=new RBNode(n._color,n.key,n.value,n.left,cstack[i+1],n._count)}}n=cstack[cstack.length-1];if(n.left&&n.right){var split=cstack.length;n=n.left;while(n.right){cstack.push(n);n=n.right}var v=cstack[split-1];cstack.push(new RBNode(n._color,v.key,v.value,n.left,n.right,n._count));cstack[split-1].key=n.key;cstack[split-1].value=n.value;for(var i=cstack.length-2;i>=split;--i){n=cstack[i];cstack[i]=new RBNode(n._color,n.key,n.value,n.left,cstack[i+1],n._count)}cstack[split-1].left=cstack[split]}n=cstack[cstack.length-1];if(n._color===RED){var p=cstack[cstack.length-2];if(p.left===n){p.left=null}else if(p.right===n){p.right=null}cstack.pop();for(var i=0;i<cstack.length;++i){cstack[i]._count--}return new RedBlackTree(this.tree._compare,cstack[0])}else{if(n.left||n.right){if(n.left){swapNode(n,n.left)}else if(n.right){swapNode(n,n.right)}n._color=BLACK;for(var i=0;i<cstack.length-1;++i){cstack[i]._count--}return new RedBlackTree(this.tree._compare,cstack[0])}else if(cstack.length===1){return new RedBlackTree(this.tree._compare,null)}else{for(var i=0;i<cstack.length;++i){cstack[i]._count--}var parent=cstack[cstack.length-2];fixDoubleBlack(cstack);if(parent.left===n){parent.left=null}else{parent.right=null}}}return new RedBlackTree(this.tree._compare,cstack[0])};Object.defineProperty(iproto,"key",{get:function(){if(this._stack.length>0){return this._stack[this._stack.length-1].key}return},enumerable:true});Object.defineProperty(iproto,"value",{get:function(){if(this._stack.length>0){return this._stack[this._stack.length-1].value}return},enumerable:true});Object.defineProperty(iproto,"index",{get:function(){var idx=0;var stack=this._stack;if(stack.length===0){var r=this.tree.root;if(r){return r._count}return 0}else if(stack[stack.length-1].left){idx=stack[stack.length-1].left._count}for(var s=stack.length-2;s>=0;--s){if(stack[s+1]===stack[s].right){++idx;if(stack[s].left){idx+=stack[s].left._count}}}return idx},enumerable:true});iproto.next=function(){var stack=this._stack;if(stack.length===0){return}var n=stack[stack.length-1];if(n.right){n=n.right;while(n){stack.push(n);n=n.left}}else{stack.pop();while(stack.length>0&&stack[stack.length-1].right===n){n=stack[stack.length-1];stack.pop()}}};Object.defineProperty(iproto,"hasNext",{get:function(){var stack=this._stack;if(stack.length===0){return false}if(stack[stack.length-1].right){return true}for(var s=stack.length-1;s>0;--s){if(stack[s-1].left===stack[s]){return true}}return false}});iproto.update=function(value){var stack=this._stack;if(stack.length===0){throw new Error("Can't update empty node!")}var cstack=new Array(stack.length);var n=stack[stack.length-1];cstack[cstack.length-1]=new RBNode(n._color,n.key,value,n.left,n.right,n._count);for(var i=stack.length-2;i>=0;--i){n=stack[i];if(n.left===stack[i+1]){cstack[i]=new RBNode(n._color,n.key,n.value,cstack[i+1],n.right,n._count)}else{cstack[i]=new RBNode(n._color,n.key,n.value,n.left,cstack[i+1],n._count)}}return new RedBlackTree(this.tree._compare,cstack[0])};iproto.prev=function(){var stack=this._stack;if(stack.length===0){return}var n=stack[stack.length-1];if(n.left){n=n.left;while(n){stack.push(n);n=n.right}}else{stack.pop();while(stack.length>0&&stack[stack.length-1].left===n){n=stack[stack.length-1];stack.pop()}}};Object.defineProperty(iproto,"hasPrev",{get:function(){var stack=this._stack;if(stack.length===0){return false}if(stack[stack.length-1].left){return true}for(var s=stack.length-1;s>0;--s){if(stack[s-1].right===stack[s]){return true}}return false}});function defaultCompare(a,b){if(a<b){return-1}if(a>b){return 1}return 0}function createRBTree(compare){return new RedBlackTree(compare||defaultCompare,null)}},{}],68:[function(require,module,exports){"use strict";module.exports=createSlabDecomposition;var bounds=require("binary-search-bounds");var createRBTree=require("functional-red-black-tree");var orient=require("robust-orientation");var orderSegments=require("./lib/order-segments");function SlabDecomposition(slabs,coordinates,horizontal){this.slabs=slabs;this.coordinates=coordinates;this.horizontal=horizontal}var proto=SlabDecomposition.prototype;function compareHorizontal(e,y){return e.y-y}function searchBucket(root,p){var lastNode=null;while(root){var seg=root.key;var l,r;if(seg[0][0]<seg[1][0]){l=seg[0];r=seg[1]}else{l=seg[1];r=seg[0]}var o=orient(l,r,p);if(o<0){root=root.left}else if(o>0){if(p[0]!==seg[1][0]){lastNode=root;root=root.right}else{var val=searchBucket(root.right,p);if(val){return val}root=root.left}}else{if(p[0]!==seg[1][0]){return root}else{var val=searchBucket(root.right,p);if(val){return val}root=root.left}}}return lastNode}proto.castUp=function(p){var bucket=bounds.le(this.coordinates,p[0]);if(bucket<0){return-1}var root=this.slabs[bucket];var hitNode=searchBucket(this.slabs[bucket],p);var lastHit=-1;if(hitNode){lastHit=hitNode.value}if(this.coordinates[bucket]===p[0]){var lastSegment=null;if(hitNode){lastSegment=hitNode.key}if(bucket>0){var otherHitNode=searchBucket(this.slabs[bucket-1],p);if(otherHitNode){if(lastSegment){if(orderSegments(otherHitNode.key,lastSegment)>0){lastSegment=otherHitNode.key;lastHit=otherHitNode.value}}else{lastHit=otherHitNode.value;lastSegment=otherHitNode.key}}}var horiz=this.horizontal[bucket];if(horiz.length>0){var hbucket=bounds.ge(horiz,p[1],compareHorizontal);if(hbucket<horiz.length){var e=horiz[hbucket];if(p[1]===e.y){if(e.closed){return e.index}else{while(hbucket<horiz.length-1&&horiz[hbucket+1].y===p[1]){hbucket=hbucket+1;e=horiz[hbucket];if(e.closed){return e.index}}if(e.y===p[1]&&!e.start){hbucket=hbucket+1;if(hbucket>=horiz.length){return lastHit}e=horiz[hbucket]}}}if(e.start){if(lastSegment){var o=orient(lastSegment[0],lastSegment[1],[p[0],e.y]);if(lastSegment[0][0]>lastSegment[1][0]){o=-o}if(o>0){lastHit=e.index}}else{lastHit=e.index}}else if(e.y!==p[1]){lastHit=e.index}}}}return lastHit};function IntervalSegment(y,index,start,closed){this.y=y;this.index=index;this.start=start;this.closed=closed}function Event(x,segment,create,index){this.x=x;this.segment=segment;this.create=create;this.index=index}function createSlabDecomposition(segments){var numSegments=segments.length;var numEvents=2*numSegments;var events=new Array(numEvents);for(var i=0;i<numSegments;++i){var s=segments[i];var f=s[0][0]<s[1][0];events[2*i]=new Event(s[0][0],s,f,i);events[2*i+1]=new Event(s[1][0],s,!f,i)}events.sort(function(a,b){var d=a.x-b.x;if(d){return d}d=a.create-b.create;if(d){return d}return Math.min(a.segment[0][1],a.segment[1][1])-Math.min(b.segment[0][1],b.segment[1][1])});var tree=createRBTree(orderSegments);var slabs=[];var lines=[];var horizontal=[];var lastX=-Infinity;for(var i=0;i<numEvents;){var x=events[i].x;var horiz=[];while(i<numEvents){var e=events[i];if(e.x!==x){break}i+=1;if(e.segment[0][0]===e.x&&e.segment[1][0]===e.x){if(e.create){if(e.segment[0][1]<e.segment[1][1]){horiz.push(new IntervalSegment(e.segment[0][1],e.index,true,true));horiz.push(new IntervalSegment(e.segment[1][1],e.index,false,false))}else{horiz.push(new IntervalSegment(e.segment[1][1],e.index,true,false));horiz.push(new IntervalSegment(e.segment[0][1],e.index,false,true))}}}else{if(e.create){tree=tree.insert(e.segment,e.index)}else{tree=tree.remove(e.segment)}}}slabs.push(tree.root);lines.push(x);horizontal.push(horiz)}return new SlabDecomposition(slabs,lines,horizontal)}},{"./lib/order-segments":66,"binary-search-bounds":64,"functional-red-black-tree":67,"robust-orientation":49}],69:[function(require,module,exports){module.exports=preprocessPolygon;var orient=require("robust-orientation")[3];var makeSlabs=require("slab-decomposition");var makeIntervalTree=require("interval-tree-1d");var bsearch=require("binary-search-bounds");function visitInterval(){return true}function intervalSearch(table){return function(x,y){var tree=table[x];if(tree){return!!tree.queryPoint(y,visitInterval)}return false}}function buildVerticalIndex(segments){var table={};for(var i=0;i<segments.length;++i){var s=segments[i];var x=s[0][0];var y0=s[0][1];var y1=s[1][1];var p=[Math.min(y0,y1),Math.max(y0,y1)];if(x in table){table[x].push(p)}else{table[x]=[p]}}var intervalTable={};var keys=Object.keys(table);for(var i=0;i<keys.length;++i){var segs=table[keys[i]];intervalTable[keys[i]]=makeIntervalTree(segs)}return intervalSearch(intervalTable)}function buildSlabSearch(slabs,coordinates){return function(p){var bucket=bsearch.le(coordinates,p[0]);if(bucket<0){return 1}var root=slabs[bucket];if(!root){if(bucket>0&&coordinates[bucket]===p[0]){root=slabs[bucket-1]}else{return 1}}var lastOrientation=1;while(root){var s=root.key;var o=orient(p,s[0],s[1]);if(s[0][0]<s[1][0]){if(o<0){root=root.left}else if(o>0){lastOrientation=-1;root=root.right}else{return 0}}else{if(o>0){root=root.left}else if(o<0){lastOrientation=1;root=root.right}else{return 0}}}return lastOrientation}}function classifyEmpty(p){return 1}function createClassifyVertical(testVertical){return function classify(p){if(testVertical(p[0],p[1])){return 0}return 1}}function createClassifyPointDegen(testVertical,testNormal){return function classify(p){if(testVertical(p[0],p[1])){return 0}return testNormal(p)}}function preprocessPolygon(loops){var numLoops=loops.length;var segments=[];var vsegments=[];var ptr=0;for(var i=0;i<numLoops;++i){var loop=loops[i];var numVertices=loop.length;for(var s=numVertices-1,t=0;t<numVertices;s=t++){var a=loop[s];var b=loop[t];if(a[0]===b[0]){vsegments.push([a,b])}else{segments.push([a,b])}}}if(segments.length===0){if(vsegments.length===0){return classifyEmpty}else{return createClassifyVertical(buildVerticalIndex(vsegments))}}var slabs=makeSlabs(segments);var testSlab=buildSlabSearch(slabs.slabs,slabs.coordinates);if(vsegments.length===0){return testSlab}else{return createClassifyPointDegen(buildVerticalIndex(vsegments),testSlab)}}},{"binary-search-bounds":64,"interval-tree-1d":65,"robust-orientation":49,"slab-decomposition":68}],70:[function(require,module,exports){arguments[4][47][0].apply(exports,arguments)},{dup:47}],71:[function(require,module,exports){arguments[4][48][0].apply(exports,arguments)},{dup:48}],72:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],73:[function(require,module,exports){"use strict";module.exports=planarGraphToPolyline;var e2a=require("edges-to-adjacency-list");var planarDual=require("planar-dual");var preprocessPolygon=require("point-in-big-polygon");var twoProduct=require("two-product");var robustSum=require("robust-sum");var uniq=require("uniq");var trimLeaves=require("./lib/trim-leaves");function makeArray(length,fill){var result=new Array(length);for(var i=0;i<length;++i){result[i]=fill}return result}function makeArrayOfArrays(length){var result=new Array(length);for(var i=0;i<length;++i){result[i]=[]}return result}function planarGraphToPolyline(edges,positions){var result=trimLeaves(edges,positions);edges=result[0];positions=result[1];var numVertices=positions.length;var numEdges=edges.length;var adj=e2a(edges,positions.length);for(var i=0;i<numVertices;++i){if(adj[i].length%2===1){throw new Error("planar-graph-to-polyline: graph must be manifold")}}var faces=planarDual(edges,positions);function ccw(c){var n=c.length;var area=[0];for(var j=0;j<n;++j){var a=positions[c[j]];var b=positions[c[(j+1)%n]];var t00=twoProduct(-a[0],a[1]);var t01=twoProduct(-a[0],b[1]);var t10=twoProduct(b[0],a[1]);var t11=twoProduct(b[0],b[1]);area=robustSum(area,robustSum(robustSum(t00,t01),robustSum(t10,t11)))}return area[area.length-1]>0}faces=faces.filter(ccw);var numFaces=faces.length;var parent=new Array(numFaces);var containment=new Array(numFaces);for(var i=0;i<numFaces;++i){parent[i]=i;var row=new Array(numFaces);var loopVertices=faces[i].map(function(v){return positions[v]});var pmc=preprocessPolygon([loopVertices]);var count=0;outer:for(var j=0;j<numFaces;++j){row[j]=0;if(i===j){continue}var c=faces[j];var n=c.length;for(var k=0;k<n;++k){var d=pmc(positions[c[k]]);if(d!==0){if(d<0){row[j]=1;count+=1}continue outer}}row[j]=1;count+=1}containment[i]=[count,i,row]}containment.sort(function(a,b){return b[0]-a[0]});for(var i=0;i<numFaces;++i){var row=containment[i];var idx=row[1];var children=row[2];for(var j=0;j<numFaces;++j){if(children[j]){parent[j]=idx}}}var fadj=makeArrayOfArrays(numFaces);for(var i=0;i<numFaces;++i){fadj[i].push(parent[i]);fadj[parent[i]].push(i)}var edgeAdjacency={};var internalVertices=makeArray(numVertices,false);for(var i=0;i<numFaces;++i){var c=faces[i];var n=c.length;for(var j=0;j<n;++j){var a=c[j];var b=c[(j+1)%n];var key=Math.min(a,b)+":"+Math.max(a,b);if(key in edgeAdjacency){var neighbor=edgeAdjacency[key];fadj[neighbor].push(i);fadj[i].push(neighbor);internalVertices[a]=internalVertices[b]=true;

}else{edgeAdjacency[key]=i}}}function sharedBoundary(c){var n=c.length;for(var i=0;i<n;++i){if(!internalVertices[c[i]]){return false}}return true}var toVisit=[];var parity=makeArray(numFaces,-1);for(var i=0;i<numFaces;++i){if(parent[i]===i&&!sharedBoundary(faces[i])){toVisit.push(i);parity[i]=0}else{parity[i]=-1}}var result=[];while(toVisit.length>0){var top=toVisit.pop();var nbhd=fadj[top];uniq(nbhd,function(a,b){return a-b});var nnbhr=nbhd.length;var p=parity[top];var polyline;if(p===0){var c=faces[top];polyline=[c]}for(var i=0;i<nnbhr;++i){var f=nbhd[i];if(parity[f]>=0){continue}parity[f]=p^1;toVisit.push(f);if(p===0){var c=faces[f];if(!sharedBoundary(c)){c.reverse();polyline.push(c)}}}if(p===0){result.push(polyline)}}return result}},{"./lib/trim-leaves":56,"edges-to-adjacency-list":57,"planar-dual":58,"point-in-big-polygon":69,"robust-sum":70,"two-product":71,uniq:72}],74:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],75:[function(require,module,exports){"use strict";"use restrict";module.exports=UnionFind;function UnionFind(count){this.roots=new Array(count);this.ranks=new Array(count);for(var i=0;i<count;++i){this.roots[i]=i;this.ranks[i]=0}}UnionFind.prototype.length=function(){return this.roots.length};UnionFind.prototype.makeSet=function(){var n=this.roots.length;this.roots.push(n);this.ranks.push(0);return n};UnionFind.prototype.find=function(x){var roots=this.roots;while(roots[x]!==x){var y=roots[x];roots[x]=roots[y];x=y}return x};UnionFind.prototype.link=function(x,y){var xr=this.find(x),yr=this.find(y);if(xr===yr){return}var ranks=this.ranks,roots=this.roots,xd=ranks[xr],yd=ranks[yr];if(xd<yd){roots[xr]=yr}else if(yd<xd){roots[yr]=xr}else{roots[yr]=xr;++ranks[xr]}}},{}],76:[function(require,module,exports){"use strict";"use restrict";var bits=require("bit-twiddle"),UnionFind=require("union-find");function dimension(cells){var d=0,max=Math.max;for(var i=0,il=cells.length;i<il;++i){d=max(d,cells[i].length)}return d-1}exports.dimension=dimension;function countVertices(cells){var vc=-1,max=Math.max;for(var i=0,il=cells.length;i<il;++i){var c=cells[i];for(var j=0,jl=c.length;j<jl;++j){vc=max(vc,c[j])}}return vc+1}exports.countVertices=countVertices;function cloneCells(cells){var ncells=new Array(cells.length);for(var i=0,il=cells.length;i<il;++i){ncells[i]=cells[i].slice(0)}return ncells}exports.cloneCells=cloneCells;function compareCells(a,b){var n=a.length,t=a.length-b.length,min=Math.min;if(t){return t}switch(n){case 0:return 0;case 1:return a[0]-b[0];case 2:var d=a[0]+a[1]-b[0]-b[1];if(d){return d}return min(a[0],a[1])-min(b[0],b[1]);case 3:var l1=a[0]+a[1],m1=b[0]+b[1];d=l1+a[2]-(m1+b[2]);if(d){return d}var l0=min(a[0],a[1]),m0=min(b[0],b[1]),d=min(l0,a[2])-min(m0,b[2]);if(d){return d}return min(l0+a[2],l1)-min(m0+b[2],m1);default:var as=a.slice(0);as.sort();var bs=b.slice(0);bs.sort();for(var i=0;i<n;++i){t=as[i]-bs[i];if(t){return t}}return 0}}exports.compareCells=compareCells;function compareZipped(a,b){return compareCells(a[0],b[0])}function normalize(cells,attr){if(attr){var len=cells.length;var zipped=new Array(len);for(var i=0;i<len;++i){zipped[i]=[cells[i],attr[i]]}zipped.sort(compareZipped);for(var i=0;i<len;++i){cells[i]=zipped[i][0];attr[i]=zipped[i][1]}return cells}else{cells.sort(compareCells);return cells}}exports.normalize=normalize;function unique(cells){if(cells.length===0){return[]}var ptr=1,len=cells.length;for(var i=1;i<len;++i){var a=cells[i];if(compareCells(a,cells[i-1])){if(i===ptr){ptr++;continue}cells[ptr++]=a}}cells.length=ptr;return cells}exports.unique=unique;function findCell(cells,c){var lo=0,hi=cells.length-1,r=-1;while(lo<=hi){var mid=lo+hi>>1,s=compareCells(cells[mid],c);if(s<=0){if(s===0){r=mid}lo=mid+1}else if(s>0){hi=mid-1}}return r}exports.findCell=findCell;function incidence(from_cells,to_cells){var index=new Array(from_cells.length);for(var i=0,il=index.length;i<il;++i){index[i]=[]}var b=[];for(var i=0,n=to_cells.length;i<n;++i){var c=to_cells[i];var cl=c.length;for(var k=1,kn=1<<cl;k<kn;++k){b.length=bits.popCount(k);var l=0;for(var j=0;j<cl;++j){if(k&1<<j){b[l++]=c[j]}}var idx=findCell(from_cells,b);if(idx<0){continue}while(true){index[idx++].push(i);if(idx>=from_cells.length||compareCells(from_cells[idx],b)!==0){break}}}}return index}exports.incidence=incidence;function dual(cells,vertex_count){if(!vertex_count){return incidence(unique(skeleton(cells,0)),cells,0)}var res=new Array(vertex_count);for(var i=0;i<vertex_count;++i){res[i]=[]}for(var i=0,len=cells.length;i<len;++i){var c=cells[i];for(var j=0,cl=c.length;j<cl;++j){res[c[j]].push(i)}}return res}exports.dual=dual;function explode(cells){var result=[];for(var i=0,il=cells.length;i<il;++i){var c=cells[i],cl=c.length|0;for(var j=1,jl=1<<cl;j<jl;++j){var b=[];for(var k=0;k<cl;++k){if(j>>>k&1){b.push(c[k])}}result.push(b)}}return normalize(result)}exports.explode=explode;function skeleton(cells,n){if(n<0){return[]}var result=[],k0=(1<<n+1)-1;for(var i=0;i<cells.length;++i){var c=cells[i];for(var k=k0;k<1<<c.length;k=bits.nextCombination(k)){var b=new Array(n+1),l=0;for(var j=0;j<c.length;++j){if(k&1<<j){b[l++]=c[j]}}result.push(b)}}return normalize(result)}exports.skeleton=skeleton;function boundary(cells){var res=[];for(var i=0,il=cells.length;i<il;++i){var c=cells[i];for(var j=0,cl=c.length;j<cl;++j){var b=new Array(c.length-1);for(var k=0,l=0;k<cl;++k){if(k!==j){b[l++]=c[k]}}res.push(b)}}return normalize(res)}exports.boundary=boundary;function connectedComponents_dense(cells,vertex_count){var labels=new UnionFind(vertex_count);for(var i=0;i<cells.length;++i){var c=cells[i];for(var j=0;j<c.length;++j){for(var k=j+1;k<c.length;++k){labels.link(c[j],c[k])}}}var components=[],component_labels=labels.ranks;for(var i=0;i<component_labels.length;++i){component_labels[i]=-1}for(var i=0;i<cells.length;++i){var l=labels.find(cells[i][0]);if(component_labels[l]<0){component_labels[l]=components.length;components.push([cells[i].slice(0)])}else{components[component_labels[l]].push(cells[i].slice(0))}}return components}function connectedComponents_sparse(cells){var vertices=unique(normalize(skeleton(cells,0))),labels=new UnionFind(vertices.length);for(var i=0;i<cells.length;++i){var c=cells[i];for(var j=0;j<c.length;++j){var vj=findCell(vertices,[c[j]]);for(var k=j+1;k<c.length;++k){labels.link(vj,findCell(vertices,[c[k]]))}}}var components=[],component_labels=labels.ranks;for(var i=0;i<component_labels.length;++i){component_labels[i]=-1}for(var i=0;i<cells.length;++i){var l=labels.find(findCell(vertices,[cells[i][0]]));if(component_labels[l]<0){component_labels[l]=components.length;components.push([cells[i].slice(0)])}else{components[component_labels[l]].push(cells[i].slice(0))}}return components}function connectedComponents(cells,vertex_count){if(vertex_count){return connectedComponents_dense(cells,vertex_count)}return connectedComponents_sparse(cells)}exports.connectedComponents=connectedComponents},{"bit-twiddle":74,"union-find":75}],77:[function(require,module,exports){"use strict";module.exports=simplifyPolygon;var orient=require("robust-orientation");var sc=require("simplicial-complex");function errorWeight(base,a,b){var area=Math.abs(orient(base,a,b));var perim=Math.sqrt(Math.pow(a[0]-b[0],2)+Math.pow(a[1]-b[1],2));return area/perim}function simplifyPolygon(cells,positions,minArea){var n=positions.length;var nc=cells.length;var inv=new Array(n);var outv=new Array(n);var weights=new Array(n);var dead=new Array(n);for(var i=0;i<n;++i){inv[i]=outv[i]=-1;weights[i]=Infinity;dead[i]=false}for(var i=0;i<nc;++i){var c=cells[i];if(c.length!==2){throw new Error("Input must be a graph")}var s=c[1];var t=c[0];if(outv[t]!==-1){outv[t]=-2}else{outv[t]=s}if(inv[s]!==-1){inv[s]=-2}else{inv[s]=t}}function computeWeight(i){if(dead[i]){return Infinity}var s=inv[i];var t=outv[i];if(s<0||t<0){return Infinity}else{return errorWeight(positions[i],positions[s],positions[t])}}function heapSwap(i,j){var a=heap[i];var b=heap[j];heap[i]=b;heap[j]=a;index[a]=j;index[b]=i}function heapWeight(i){return weights[heap[i]]}function heapParent(i){if(i&1){return i-1>>1}return(i>>1)-1}function heapDown(i){var w=heapWeight(i);while(true){var tw=w;var left=2*i+1;var right=2*(i+1);var next=i;if(left<heapCount){var lw=heapWeight(left);if(lw<tw){next=left;tw=lw}}if(right<heapCount){var rw=heapWeight(right);if(rw<tw){next=right}}if(next===i){return i}heapSwap(i,next);i=next}}function heapUp(i){var w=heapWeight(i);while(i>0){var parent=heapParent(i);if(parent>=0){var pw=heapWeight(parent);if(w<pw){heapSwap(i,parent);i=parent;continue}}return i}}function heapPop(){if(heapCount>0){var head=heap[0];heapSwap(0,heapCount-1);heapCount-=1;heapDown(0);return head}return-1}function heapUpdate(i,w){var a=heap[i];if(weights[a]===w){return i}weights[a]=-Infinity;heapUp(i);heapPop();weights[a]=w;heapCount+=1;return heapUp(heapCount-1)}function kill(i){if(dead[i]){return}dead[i]=true;var s=inv[i];var t=outv[i];if(inv[t]>=0){inv[t]=s}if(outv[s]>=0){outv[s]=t}if(index[s]>=0){heapUpdate(index[s],computeWeight(s))}if(index[t]>=0){heapUpdate(index[t],computeWeight(t))}}var heap=[];var index=new Array(n);for(var i=0;i<n;++i){var w=weights[i]=computeWeight(i);if(w<Infinity){index[i]=heap.length;heap.push(i)}else{index[i]=-1}}var heapCount=heap.length;for(var i=heapCount>>1;i>=0;--i){heapDown(i)}while(true){var hmin=heapPop();if(hmin<0||weights[hmin]>minArea){break}kill(hmin)}var npositions=[];for(var i=0;i<n;++i){if(!dead[i]){index[i]=npositions.length;npositions.push(positions[i].slice())}}var nv=npositions.length;function tortoiseHare(seq,start){if(seq[start]<0){return start}var t=start;var h=start;do{var nh=seq[h];if(!dead[h]||nh<0||nh===h){break}h=nh;nh=seq[h];if(!dead[h]||nh<0||nh===h){break}h=nh;t=seq[t]}while(t!==h);for(var v=start;v!==h;v=seq[v]){seq[v]=h}return h}var ncells=[];cells.forEach(function(c){var tin=tortoiseHare(inv,c[0]);var tout=tortoiseHare(outv,c[1]);if(tin>=0&&tout>=0&&tin!==tout){var cin=index[tin];var cout=index[tout];if(cin!==cout){ncells.push([cin,cout])}}});sc.unique(sc.normalize(ncells));return{positions:npositions,edges:ncells}}},{"robust-orientation":49,"simplicial-complex":76}],78:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");module.exports=createSurfaceExtractor;function array(i){return"a"+i}function data(i){return"d"+i}function cube(i,bitmask){return"c"+i+"_"+bitmask}function shape(i){return"s"+i}function stride(i,j){return"t"+i+"_"+j}function offset(i){return"o"+i}function scalar(i){return"x"+i}function pointer(i){return"p"+i}function delta(i,bitmask){return"d"+i+"_"+bitmask}function index(i){return"i"+i}function step(i,j){return"u"+i+"_"+j}function pcube(bitmask){return"b"+bitmask}function qcube(bitmask){return"y"+bitmask}function pdelta(bitmask){return"e"+bitmask}function vert(i){return"v"+i}var VERTEX_IDS="V";var PHASES="P";var VERTEX_COUNT="N";var POOL_SIZE="Q";var POINTER="X";var TEMPORARY="T";function permBitmask(dimension,mask,order){var r=0;for(var i=0;i<dimension;++i){if(mask&1<<i){r|=1<<order[i]}}return r}function compileSurfaceProcedure(vertexFunc,faceFunc,phaseFunc,scalarArgs,order,typesig){var arrayArgs=typesig.length;var dimension=order.length;if(dimension<2){throw new Error("ndarray-extract-contour: Dimension must be at least 2")}var funcName="extractContour"+order.join("_");var code=[];var vars=[];var args=[];for(var i=0;i<arrayArgs;++i){args.push(array(i))}for(var i=0;i<scalarArgs;++i){args.push(scalar(i))}for(var i=0;i<dimension;++i){vars.push(shape(i)+"="+array(0)+".shape["+i+"]|0")}for(var i=0;i<arrayArgs;++i){vars.push(data(i)+"="+array(i)+".data",offset(i)+"="+array(i)+".offset|0");for(var j=0;j<dimension;++j){vars.push(stride(i,j)+"="+array(i)+".stride["+j+"]|0")}}for(var i=0;i<arrayArgs;++i){vars.push(pointer(i)+"="+offset(i));vars.push(cube(i,0));for(var j=1;j<1<<dimension;++j){var ptrStr=[];for(var k=0;k<dimension;++k){if(j&1<<k){ptrStr.push("-"+stride(i,k))}}vars.push(delta(i,j)+"=("+ptrStr.join("")+")|0");vars.push(cube(i,j)+"=0")}}for(var i=0;i<arrayArgs;++i){for(var j=0;j<dimension;++j){var stepVal=[stride(i,order[j])];if(j>0){stepVal.push(stride(i,order[j-1])+"*"+shape(order[j-1]))}vars.push(step(i,order[j])+"=("+stepVal.join("-")+")|0")}}for(var i=0;i<dimension;++i){vars.push(index(i)+"=0")}vars.push(VERTEX_COUNT+"=0");var sizeVariable=["2"];for(var i=dimension-2;i>=0;--i){sizeVariable.push(shape(order[i]))}vars.push(POOL_SIZE+"=("+sizeVariable.join("*")+")|0",PHASES+"=mallocUint32("+POOL_SIZE+")",VERTEX_IDS+"=mallocUint32("+POOL_SIZE+")",POINTER+"=0");vars.push(pcube(0)+"=0");for(var j=1;j<1<<dimension;++j){var cubeDelta=[];var cubeStep=[];for(var k=0;k<dimension;++k){if(j&1<<k){if(cubeStep.length===0){cubeDelta.push("1")}else{cubeDelta.unshift(cubeStep.join("*"))}}cubeStep.push(shape(order[k]))}var signFlag="";if(cubeDelta[0].indexOf(shape(order[dimension-2]))<0){signFlag="-"}var jperm=permBitmask(dimension,j,order);vars.push(pdelta(jperm)+"=(-"+cubeDelta.join("-")+")|0",qcube(jperm)+"=("+signFlag+cubeDelta.join("-")+")|0",pcube(jperm)+"=0")}vars.push(vert(0)+"=0",TEMPORARY+"=0");function forLoopBegin(i,start){code.push("for(",index(order[i]),"=",start,";",index(order[i]),"<",shape(order[i]),";","++",index(order[i]),"){")}function forLoopEnd(i){for(var j=0;j<arrayArgs;++j){code.push(pointer(j),"+=",step(j,order[i]),";")}code.push("}")}function fillEmptySlice(k){for(var i=k-1;i>=0;--i){forLoopBegin(i,0)}var phaseFuncArgs=[];for(var i=0;i<arrayArgs;++i){if(typesig[i]){phaseFuncArgs.push(data(i)+".get("+pointer(i)+")")}else{phaseFuncArgs.push(data(i)+"["+pointer(i)+"]")}}for(var i=0;i<scalarArgs;++i){phaseFuncArgs.push(scalar(i))}code.push(PHASES,"[",POINTER,"++]=phase(",phaseFuncArgs.join(),");");for(var i=0;i<k;++i){forLoopEnd(i)}for(var j=0;j<arrayArgs;++j){code.push(pointer(j),"+=",step(j,order[k]),";")}}function processGridCell(mask){for(var i=0;i<arrayArgs;++i){if(typesig[i]){code.push(cube(i,0),"=",data(i),".get(",pointer(i),");")}else{code.push(cube(i,0),"=",data(i),"[",pointer(i),"];")}}var phaseFuncArgs=[];for(var i=0;i<arrayArgs;++i){phaseFuncArgs.push(cube(i,0))}for(var i=0;i<scalarArgs;++i){phaseFuncArgs.push(scalar(i))}code.push(pcube(0),"=",PHASES,"[",POINTER,"]=phase(",phaseFuncArgs.join(),");");for(var j=1;j<1<<dimension;++j){code.push(pcube(j),"=",PHASES,"[",POINTER,"+",pdelta(j),"];")}var vertexPredicate=[];for(var j=1;j<1<<dimension;++j){vertexPredicate.push("("+pcube(0)+"!=="+pcube(j)+")")}code.push("if(",vertexPredicate.join("||"),"){");var vertexArgs=[];for(var i=0;i<dimension;++i){vertexArgs.push(index(i))}for(var i=0;i<arrayArgs;++i){vertexArgs.push(cube(i,0));for(var j=1;j<1<<dimension;++j){if(typesig[i]){code.push(cube(i,j),"=",data(i),".get(",pointer(i),"+",delta(i,j),");")}else{code.push(cube(i,j),"=",data(i),"[",pointer(i),"+",delta(i,j),"];")}vertexArgs.push(cube(i,j))}}for(var i=0;i<1<<dimension;++i){vertexArgs.push(pcube(i))}for(var i=0;i<scalarArgs;++i){vertexArgs.push(scalar(i))}code.push("vertex(",vertexArgs.join(),");",vert(0),"=",VERTEX_IDS,"[",POINTER,"]=",VERTEX_COUNT,"++;");var base=(1<<dimension)-1;var corner=pcube(base);for(var j=0;j<dimension;++j){if((mask&~(1<<j))===0){var subset=base^1<<j;var edge=pcube(subset);var faceArgs=[];for(var k=subset;k>0;k=k-1&subset){faceArgs.push(VERTEX_IDS+"["+POINTER+"+"+pdelta(k)+"]")}faceArgs.push(vert(0));for(var k=0;k<arrayArgs;++k){if(j&1){faceArgs.push(cube(k,base),cube(k,subset))}else{faceArgs.push(cube(k,subset),cube(k,base))}}if(j&1){faceArgs.push(corner,edge)}else{faceArgs.push(edge,corner)}for(var k=0;k<scalarArgs;++k){faceArgs.push(scalar(k))}code.push("if(",corner,"!==",edge,"){","face(",faceArgs.join(),")}")}}code.push("}",POINTER,"+=1;")}function flip(){for(var j=1;j<1<<dimension;++j){code.push(TEMPORARY,"=",pdelta(j),";",pdelta(j),"=",qcube(j),";",qcube(j),"=",TEMPORARY,";")}}function createLoop(i,mask){if(i<0){processGridCell(mask);return}fillEmptySlice(i);code.push("if(",shape(order[i]),">0){",index(order[i]),"=1;");createLoop(i-1,mask|1<<order[i]);for(var j=0;j<arrayArgs;++j){code.push(pointer(j),"+=",step(j,order[i]),";")}if(i===dimension-1){code.push(POINTER,"=0;");flip()}forLoopBegin(i,2);createLoop(i-1,mask);if(i===dimension-1){code.push("if(",index(order[dimension-1]),"&1){",POINTER,"=0;}");flip()}forLoopEnd(i);code.push("}")}createLoop(dimension-1,0);code.push("freeUint32(",VERTEX_IDS,");freeUint32(",PHASES,");");var procedureCode=["'use strict';","function ",funcName,"(",args.join(),"){","var ",vars.join(),";",code.join(""),"}","return ",funcName].join("");var proc=new Function("vertex","face","phase","mallocUint32","freeUint32",procedureCode);return proc(vertexFunc,faceFunc,phaseFunc,pool.mallocUint32,pool.freeUint32)}function createSurfaceExtractor(args){function error(msg){throw new Error("ndarray-extract-contour: "+msg)}if(typeof args!=="object"){error("Must specify arguments")}var order=args.order;if(!Array.isArray(order)){error("Must specify order")}var arrays=args.arrayArguments||1;if(arrays<1){error("Must have at least one array argument")}var scalars=args.scalarArguments||0;if(scalars<0){error("Scalar arg count must be > 0")}if(typeof args.vertex!=="function"){error("Must specify vertex creation function")}if(typeof args.cell!=="function"){error("Must specify cell creation function")}if(typeof args.phase!=="function"){error("Must specify phase function")}var getters=args.getters||[];var typesig=new Array(arrays);for(var i=0;i<arrays;++i){if(getters.indexOf(i)>=0){typesig[i]=true}else{typesig[i]=false}}return compileSurfaceProcedure(args.vertex,args.cell,args.phase,scalars,order,typesig)}},{"typedarray-pool":79}],79:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":29,buffer:1,dup:30}],80:[function(require,module,exports){var g=7;var p=[.9999999999998099,676.5203681218851,-1259.1392167224028,771.3234287776531,-176.6150291621406,12.507343278686905,-.13857109526572012,9984369578019572e-21,1.5056327351493116e-7];var g_ln=607/128;var p_ln=[.9999999999999971,57.15623566586292,-59.59796035547549,14.136097974741746,-.4919138160976202,3399464998481189e-20,4652362892704858e-20,-9837447530487956e-20,.0001580887032249125,-.00021026444172410488,.00021743961811521265,-.0001643181065367639,8441822398385275e-20,-26190838401581408e-21,36899182659531625e-22];function lngamma(z){if(z<0)return Number("0/0");var x=p_ln[0];for(var i=p_ln.length-1;i>0;--i)x+=p_ln[i]/(z+i);var t=z+g_ln+.5;return.5*Math.log(2*Math.PI)+(z+.5)*Math.log(t)-t+Math.log(x)-Math.log(z)}module.exports=function gamma(z){if(z<.5){return Math.PI/(Math.sin(Math.PI*z)*gamma(1-z))}else if(z>100)return Math.exp(lngamma(z));else{z-=1;var x=p[0];for(var i=1;i<g+2;i++){x+=p[i]/(z+i)}var t=z+g+.5;return Math.sqrt(2*Math.PI)*Math.pow(t,z+.5)*Math.exp(-t)*x}};module.exports.log=lngamma},{}],81:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":29,buffer:1,dup:30}],82:[function(require,module,exports){"use strict";module.exports=permutationSign;var BRUTE_FORCE_CUTOFF=32;var pool=require("typedarray-pool");function permutationSign(p){var n=p.length;if(n<BRUTE_FORCE_CUTOFF){var sgn=1;for(var i=0;i<n;++i){for(var j=0;j<i;++j){if(p[i]<p[j]){sgn=-sgn}else if(p[i]===p[j]){return 0}}}return sgn}else{var visited=pool.mallocUint8(n);for(var i=0;i<n;++i){visited[i]=0}var sgn=1;for(var i=0;i<n;++i){if(!visited[i]){var count=1;visited[i]=1;for(var j=p[i];j!==i;j=p[j]){if(visited[j]){pool.freeUint8(visited);return 0}count+=1;visited[j]=1}if(!(count&1)){sgn=-sgn}}}pool.freeUint8(visited);return sgn}}},{"typedarray-pool":81}],83:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");var inverse=require("invert-permutation");function rank(permutation){var n=permutation.length;switch(n){case 0:case 1:return 0;case 2:return permutation[1];default:break}var p=pool.mallocUint32(n);var pinv=pool.mallocUint32(n);var r=0,s,t,i;inverse(permutation,pinv);for(i=0;i<n;++i){p[i]=permutation[i]}for(i=n-1;i>0;--i){t=pinv[i];s=p[i];p[i]=p[t];p[t]=s;pinv[i]=pinv[s];pinv[s]=t;r=(r+s)*i}pool.freeUint32(pinv);pool.freeUint32(p);return r}function unrank(n,r,p){switch(n){case 0:if(p){return p}return[];case 1:if(p){p[0]=0;return p}else{return[0]}case 2:if(p){if(r){p[0]=0;p[1]=1}else{p[0]=1;p[1]=0}return p}else{return r?[0,1]:[1,0]}default:break}p=p||new Array(n);var s,t,i,nf=1;p[0]=0;for(i=1;i<n;++i){p[i]=i;nf=nf*i|0}for(i=n-1;i>0;--i){s=r/nf|0;r=r-s*nf|0;nf=nf/i|0;t=p[i]|0;p[i]=p[s]|0;p[s]=t|0}return p}exports.rank=rank;exports.unrank=unrank},{"invert-permutation":84,"typedarray-pool":85}],84:[function(require,module,exports){"use strict";function invertPermutation(pi,result){result=result||new Array(pi.length);for(var i=0;i<pi.length;++i){result[pi[i]]=i}return result}module.exports=invertPermutation},{}],85:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;

function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":29,buffer:1,dup:30}],86:[function(require,module,exports){"use strict";module.exports=triangulateCube;var perm=require("permutation-rank");var sgn=require("permutation-parity");var gamma=require("gamma");function triangulateCube(dimension){if(dimension<0){return[]}if(dimension===0){return[[0]]}var dfactorial=Math.round(gamma(dimension+1))|0;var result=[];for(var i=0;i<dfactorial;++i){var p=perm.unrank(dimension,i);var cell=[0];var v=0;for(var j=0;j<p.length;++j){v+=1<<p[j];cell.push(v)}if(sgn(p)<1){cell[0]=v;cell[dimension]=0}result.push(cell)}return result}},{gamma:80,"permutation-parity":82,"permutation-rank":83}],87:[function(require,module,exports){module.exports=require("cwise-compiler")({args:["array",{offset:[1],array:0},"scalar","scalar","index"],pre:{body:"{}",args:[],thisVars:[],localVars:[]},post:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{\n        var _inline_1_da = _inline_1_arg0_ - _inline_1_arg3_\n        var _inline_1_db = _inline_1_arg1_ - _inline_1_arg3_\n        if((_inline_1_da >= 0) !== (_inline_1_db >= 0)) {\n          _inline_1_arg2_.push(_inline_1_arg4_[0] + 0.5 + 0.5 * (_inline_1_da + _inline_1_db) / (_inline_1_da - _inline_1_db))\n        }\n      }",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg2_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg3_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg4_",lvalue:false,rvalue:true,count:1}],thisVars:[],localVars:["_inline_1_da","_inline_1_db"]},funcName:"zeroCrossings"})},{"cwise-compiler":88}],88:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{"./lib/thunk.js":90,dup:9}],89:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10,uniq:91}],90:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{"./compile.js":89,dup:11}],91:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],92:[function(require,module,exports){"use strict";module.exports=findZeroCrossings;var core=require("./lib/zc-core");function findZeroCrossings(array,level){var cross=[];level=+level||0;core(array.hi(array.shape[0]-1),cross,level);return cross}},{"./lib/zc-core":87}],93:[function(require,module,exports){"use strict";module.exports=surfaceNets;var generateContourExtractor=require("ndarray-extract-contour");var triangulateCube=require("triangulate-hypercube");var zeroCrossings=require("zero-crossings");function buildSurfaceNets(order,dtype){var dimension=order.length;var code=["'use strict';"];var funcName="surfaceNets"+order.join("_")+"d"+dtype;code.push("var contour=genContour({","order:[",order.join(),"],","scalarArguments: 3,","phase:function phaseFunc(p,a,b,c) { return (p > c)|0 },");if(dtype==="generic"){code.push("getters:[0],")}var cubeArgs=[];var extraArgs=[];for(var i=0;i<dimension;++i){cubeArgs.push("d"+i);extraArgs.push("d"+i)}for(var i=0;i<1<<dimension;++i){cubeArgs.push("v"+i);extraArgs.push("v"+i)}for(var i=0;i<1<<dimension;++i){cubeArgs.push("p"+i);extraArgs.push("p"+i)}cubeArgs.push("a","b","c");extraArgs.push("a","c");code.push("vertex:function vertexFunc(",cubeArgs.join(),"){");var maskStr=[];for(var i=0;i<1<<dimension;++i){maskStr.push("(p"+i+"<<"+i+")")}code.push("var m=(",maskStr.join("+"),")|0;if(m===0||m===",(1<<(1<<dimension))-1,"){return}");var extraFuncs=[];var currentFunc=[];if(1<<(1<<dimension)<=128){code.push("switch(m){");currentFunc=code}else{code.push("switch(m>>>7){")}for(var i=0;i<1<<(1<<dimension);++i){if(1<<(1<<dimension)>128){if(i%128===0){if(extraFuncs.length>0){currentFunc.push("}}")}var efName="vExtra"+extraFuncs.length;code.push("case ",i>>>7,":",efName,"(m&0x7f,",extraArgs.join(),");break;");currentFunc=["function ",efName,"(m,",extraArgs.join(),"){switch(m){"];extraFuncs.push(currentFunc)}}currentFunc.push("case ",i&127,":");var crossings=new Array(dimension);var denoms=new Array(dimension);var crossingCount=new Array(dimension);var bias=new Array(dimension);var totalCrossings=0;for(var j=0;j<dimension;++j){crossings[j]=[];denoms[j]=[];crossingCount[j]=0;bias[j]=0}for(var j=0;j<1<<dimension;++j){for(var k=0;k<dimension;++k){var u=j^1<<k;if(u>j){continue}if(!(i&1<<u)!==!(i&1<<j)){var sign=1;if(i&1<<u){denoms[k].push("v"+u+"-v"+j)}else{denoms[k].push("v"+j+"-v"+u);sign=-sign}if(sign<0){crossings[k].push("-v"+j+"-v"+u);crossingCount[k]+=2}else{crossings[k].push("v"+j+"+v"+u);crossingCount[k]-=2}totalCrossings+=1;for(var l=0;l<dimension;++l){if(l===k){continue}if(u&1<<l){bias[l]+=1}else{bias[l]-=1}}}}}var vertexStr=[];for(var k=0;k<dimension;++k){if(crossings[k].length===0){vertexStr.push("d"+k+"-0.5")}else{var cStr="";if(crossingCount[k]<0){cStr=crossingCount[k]+"*c"}else if(crossingCount[k]>0){cStr="+"+crossingCount[k]+"*c"}var weight=.5*(crossings[k].length/totalCrossings);var shift=.5+.5*(bias[k]/totalCrossings);vertexStr.push("d"+k+"-"+shift+"-"+weight+"*("+crossings[k].join("+")+cStr+")/("+denoms[k].join("+")+")")}}currentFunc.push("a.push([",vertexStr.join(),"]);","break;")}code.push("}},");if(extraFuncs.length>0){currentFunc.push("}}")}var faceArgs=[];for(var i=0;i<1<<dimension-1;++i){faceArgs.push("v"+i)}faceArgs.push("c0","c1","p0","p1","a","b","c");code.push("cell:function cellFunc(",faceArgs.join(),"){");var facets=triangulateCube(dimension-1);code.push("if(p0){b.push(",facets.map(function(f){return"["+f.map(function(v){return"v"+v})+"]"}).join(),")}else{b.push(",facets.map(function(f){var e=f.slice();e.reverse();return"["+e.map(function(v){return"v"+v})+"]"}).join(),")}}});function ",funcName,"(array,level){var verts=[],cells=[];contour(array,verts,cells,level);return {positions:verts,cells:cells};} return ",funcName,";");for(var i=0;i<extraFuncs.length;++i){code.push(extraFuncs[i].join(""))}var proc=new Function("genContour",code.join(""));return proc(generateContourExtractor)}function mesh1D(array,level){var zc=zeroCrossings(array,level);var n=zc.length;var npos=new Array(n);var ncel=new Array(n);for(var i=0;i<n;++i){npos[i]=[zc[i]];ncel[i]=[i]}return{positions:npos,cells:ncel}}var CACHE={};function surfaceNets(array,level){if(array.dimension<=0){return{positions:[],cells:[]}}else if(array.dimension===1){return mesh1D(array,level)}var typesig=array.order.join()+"-"+array.dtype;var proc=CACHE[typesig];var level=+level||0;if(!proc){proc=CACHE[typesig]=buildSurfaceNets(array.order,array.dtype)}return proc(array,level)}},{"ndarray-extract-contour":78,"triangulate-hypercube":86,"zero-crossings":92}],94:[function(require,module,exports){module.exports={version:"1.3.3"}},{}],95:[function(require,module,exports){"use strict";var Node=function(p,t){this.point=p;this.triangle=t||null;this.next=null;this.prev=null;this.value=p.x};var AdvancingFront=function(head,tail){this.head_=head;this.tail_=tail;this.search_node_=head};AdvancingFront.prototype.head=function(){return this.head_};AdvancingFront.prototype.setHead=function(node){this.head_=node};AdvancingFront.prototype.tail=function(){return this.tail_};AdvancingFront.prototype.setTail=function(node){this.tail_=node};AdvancingFront.prototype.search=function(){return this.search_node_};AdvancingFront.prototype.setSearch=function(node){this.search_node_=node};AdvancingFront.prototype.findSearchNode=function(){return this.search_node_};AdvancingFront.prototype.locateNode=function(x){var node=this.search_node_;if(x<node.value){while(node=node.prev){if(x>=node.value){this.search_node_=node;return node}}}else{while(node=node.next){if(x<node.value){this.search_node_=node.prev;return node.prev}}}return null};AdvancingFront.prototype.locatePoint=function(point){var px=point.x;var node=this.findSearchNode(px);var nx=node.point.x;if(px===nx){if(point!==node.point){if(point===node.prev.point){node=node.prev}else if(point===node.next.point){node=node.next}else{throw new Error("poly2tri Invalid AdvancingFront.locatePoint() call")}}}else if(px<nx){while(node=node.prev){if(point===node.point){break}}}else{while(node=node.next){if(point===node.point){break}}}if(node){this.search_node_=node}return node};module.exports=AdvancingFront;module.exports.Node=Node},{}],96:[function(require,module,exports){"use strict";var xy=require("./xy");var Point=function(x,y){this.x=+x||0;this.y=+y||0;this._p2t_edge_list=null};Point.prototype.toString=function(){return xy.toStringBase(this)};Point.prototype.clone=function(){return new Point(this.x,this.y)};Point.prototype.set_zero=function(){this.x=0;this.y=0;return this};Point.prototype.set=function(x,y){this.x=+x||0;this.y=+y||0;return this};Point.prototype.negate=function(){this.x=-this.x;this.y=-this.y;return this};Point.prototype.add=function(n){this.x+=n.x;this.y+=n.y;return this};Point.prototype.sub=function(n){this.x-=n.x;this.y-=n.y;return this};Point.prototype.mul=function(s){this.x*=s;this.y*=s;return this};Point.prototype.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y)};Point.prototype.normalize=function(){var len=this.length();this.x/=len;this.y/=len;return len};Point.prototype.equals=function(p){return this.x===p.x&&this.y===p.y};Point.negate=function(p){return new Point(-p.x,-p.y)};Point.add=function(a,b){return new Point(a.x+b.x,a.y+b.y)};Point.sub=function(a,b){return new Point(a.x-b.x,a.y-b.y)};Point.mul=function(s,p){return new Point(s*p.x,s*p.y)};Point.cross=function(a,b){if(typeof a==="number"){if(typeof b==="number"){return a*b}else{return new Point(-a*b.y,a*b.x)}}else{if(typeof b==="number"){return new Point(b*a.y,-b*a.x)}else{return a.x*b.y-a.y*b.x}}};Point.toString=xy.toString;Point.compare=xy.compare;Point.cmp=xy.compare;Point.equals=xy.equals;Point.dot=function(a,b){return a.x*b.x+a.y*b.y};module.exports=Point},{"./xy":103}],97:[function(require,module,exports){"use strict";var xy=require("./xy");var PointError=function(message,points){this.name="PointError";this.points=points=points||[];this.message=message||"Invalid Points!";for(var i=0;i<points.length;i++){this.message+=" "+xy.toString(points[i])}};PointError.prototype=new Error;PointError.prototype.constructor=PointError;module.exports=PointError},{"./xy":103}],98:[function(require,module,exports){(function(global){"use strict";var previousPoly2tri=global.poly2tri;exports.noConflict=function(){global.poly2tri=previousPoly2tri;return exports};exports.VERSION=require("../dist/version.json").version;exports.PointError=require("./pointerror");exports.Point=require("./point");exports.Triangle=require("./triangle");exports.SweepContext=require("./sweepcontext");var sweep=require("./sweep");exports.triangulate=sweep.triangulate;exports.sweep={Triangulate:sweep.triangulate}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"../dist/version.json":94,"./point":96,"./pointerror":97,"./sweep":99,"./sweepcontext":100,"./triangle":101}],99:[function(require,module,exports){"use strict";var PointError=require("./pointerror");var Triangle=require("./triangle");var Node=require("./advancingfront").Node;var utils=require("./utils");var PI_3div4=3*Math.PI/4;var PI_div2=Math.PI/2;var EPSILON=utils.EPSILON;var Orientation=utils.Orientation;var orient2d=utils.orient2d;var inScanArea=utils.inScanArea;function triangulate(tcx){tcx.initTriangulation();tcx.createAdvancingFront();sweepPoints(tcx);finalizationPolygon(tcx)}function sweepPoints(tcx){var i,len=tcx.pointCount();for(i=1;i<len;++i){var point=tcx.getPoint(i);var node=pointEvent(tcx,point);var edges=point._p2t_edge_list;for(var j=0;edges&&j<edges.length;++j){edgeEventByEdge(tcx,edges[j],node)}}}function finalizationPolygon(tcx){var t=tcx.front().head().next.triangle;var p=tcx.front().head().next.point;while(!t.getConstrainedEdgeCW(p)){t=t.neighborCCW(p)}tcx.meshClean(t)}function pointEvent(tcx,point){var node=tcx.locateNode(point);var new_node=newFrontTriangle(tcx,point,node);if(point.x<=node.point.x+EPSILON){fill(tcx,node)}fillAdvancingFront(tcx,new_node);return new_node}function edgeEventByEdge(tcx,edge,node){tcx.edge_event.constrained_edge=edge;tcx.edge_event.right=edge.p.x>edge.q.x;if(isEdgeSideOfTriangle(node.triangle,edge.p,edge.q)){return}fillEdgeEvent(tcx,edge,node);edgeEventByPoints(tcx,edge.p,edge.q,node.triangle,edge.q)}function edgeEventByPoints(tcx,ep,eq,triangle,point){if(isEdgeSideOfTriangle(triangle,ep,eq)){return}var p1=triangle.pointCCW(point);var o1=orient2d(eq,p1,ep);if(o1===Orientation.COLLINEAR){throw new PointError("poly2tri EdgeEvent: Collinear not supported!",[eq,p1,ep])}var p2=triangle.pointCW(point);var o2=orient2d(eq,p2,ep);if(o2===Orientation.COLLINEAR){throw new PointError("poly2tri EdgeEvent: Collinear not supported!",[eq,p2,ep])}if(o1===o2){if(o1===Orientation.CW){triangle=triangle.neighborCCW(point)}else{triangle=triangle.neighborCW(point)}edgeEventByPoints(tcx,ep,eq,triangle,point)}else{flipEdgeEvent(tcx,ep,eq,triangle,point)}}function isEdgeSideOfTriangle(triangle,ep,eq){var index=triangle.edgeIndex(ep,eq);if(index!==-1){triangle.markConstrainedEdgeByIndex(index);var t=triangle.getNeighbor(index);if(t){t.markConstrainedEdgeByPoints(ep,eq)}return true}return false}function newFrontTriangle(tcx,point,node){var triangle=new Triangle(point,node.point,node.next.point);triangle.markNeighbor(node.triangle);tcx.addToMap(triangle);var new_node=new Node(point);new_node.next=node.next;new_node.prev=node;node.next.prev=new_node;node.next=new_node;if(!legalize(tcx,triangle)){tcx.mapTriangleToNodes(triangle)}return new_node}function fill(tcx,node){var triangle=new Triangle(node.prev.point,node.point,node.next.point);triangle.markNeighbor(node.prev.triangle);triangle.markNeighbor(node.triangle);tcx.addToMap(triangle);node.prev.next=node.next;node.next.prev=node.prev;if(!legalize(tcx,triangle)){tcx.mapTriangleToNodes(triangle)}}function fillAdvancingFront(tcx,n){var node=n.next;var angle;while(node.next){angle=holeAngle(node);if(angle>PI_div2||angle<-PI_div2){break}fill(tcx,node);node=node.next}node=n.prev;while(node.prev){angle=holeAngle(node);if(angle>PI_div2||angle<-PI_div2){break}fill(tcx,node);node=node.prev}if(n.next&&n.next.next){angle=basinAngle(n);if(angle<PI_3div4){fillBasin(tcx,n)}}}function basinAngle(node){var ax=node.point.x-node.next.next.point.x;var ay=node.point.y-node.next.next.point.y;return Math.atan2(ay,ax)}function holeAngle(node){var ax=node.next.point.x-node.point.x;var ay=node.next.point.y-node.point.y;var bx=node.prev.point.x-node.point.x;var by=node.prev.point.y-node.point.y;return Math.atan2(ax*by-ay*bx,ax*bx+ay*by)}function legalize(tcx,t){for(var i=0;i<3;++i){if(t.delaunay_edge[i]){continue}var ot=t.getNeighbor(i);if(ot){var p=t.getPoint(i);var op=ot.oppositePoint(t,p);var oi=ot.index(op);if(ot.constrained_edge[oi]||ot.delaunay_edge[oi]){t.constrained_edge[i]=ot.constrained_edge[oi];continue}var inside=inCircle(p,t.pointCCW(p),t.pointCW(p),op);if(inside){t.delaunay_edge[i]=true;ot.delaunay_edge[oi]=true;rotateTrianglePair(t,p,ot,op);var not_legalized=!legalize(tcx,t);if(not_legalized){tcx.mapTriangleToNodes(t)}not_legalized=!legalize(tcx,ot);if(not_legalized){tcx.mapTriangleToNodes(ot)}t.delaunay_edge[i]=false;ot.delaunay_edge[oi]=false;return true}}}return false}function inCircle(pa,pb,pc,pd){var adx=pa.x-pd.x;var ady=pa.y-pd.y;var bdx=pb.x-pd.x;var bdy=pb.y-pd.y;var adxbdy=adx*bdy;var bdxady=bdx*ady;var oabd=adxbdy-bdxady;if(oabd<=0){return false}var cdx=pc.x-pd.x;var cdy=pc.y-pd.y;var cdxady=cdx*ady;var adxcdy=adx*cdy;var ocad=cdxady-adxcdy;if(ocad<=0){return false}var bdxcdy=bdx*cdy;var cdxbdy=cdx*bdy;var alift=adx*adx+ady*ady;var blift=bdx*bdx+bdy*bdy;var clift=cdx*cdx+cdy*cdy;var det=alift*(bdxcdy-cdxbdy)+blift*ocad+clift*oabd;return det>0}function rotateTrianglePair(t,p,ot,op){var n1,n2,n3,n4;n1=t.neighborCCW(p);n2=t.neighborCW(p);n3=ot.neighborCCW(op);n4=ot.neighborCW(op);var ce1,ce2,ce3,ce4;ce1=t.getConstrainedEdgeCCW(p);ce2=t.getConstrainedEdgeCW(p);ce3=ot.getConstrainedEdgeCCW(op);ce4=ot.getConstrainedEdgeCW(op);var de1,de2,de3,de4;de1=t.getDelaunayEdgeCCW(p);de2=t.getDelaunayEdgeCW(p);de3=ot.getDelaunayEdgeCCW(op);de4=ot.getDelaunayEdgeCW(op);t.legalize(p,op);ot.legalize(op,p);ot.setDelaunayEdgeCCW(p,de1);t.setDelaunayEdgeCW(p,de2);t.setDelaunayEdgeCCW(op,de3);ot.setDelaunayEdgeCW(op,de4);ot.setConstrainedEdgeCCW(p,ce1);t.setConstrainedEdgeCW(p,ce2);t.setConstrainedEdgeCCW(op,ce3);ot.setConstrainedEdgeCW(op,ce4);t.clearNeigbors();ot.clearNeigbors();if(n1){ot.markNeighbor(n1)}if(n2){t.markNeighbor(n2)}if(n3){t.markNeighbor(n3)}if(n4){ot.markNeighbor(n4)}t.markNeighbor(ot)}function fillBasin(tcx,node){if(orient2d(node.point,node.next.point,node.next.next.point)===Orientation.CCW){tcx.basin.left_node=node.next.next}else{tcx.basin.left_node=node.next}tcx.basin.bottom_node=tcx.basin.left_node;while(tcx.basin.bottom_node.next&&tcx.basin.bottom_node.point.y>=tcx.basin.bottom_node.next.point.y){tcx.basin.bottom_node=tcx.basin.bottom_node.next}if(tcx.basin.bottom_node===tcx.basin.left_node){return}tcx.basin.right_node=tcx.basin.bottom_node;while(tcx.basin.right_node.next&&tcx.basin.right_node.point.y<tcx.basin.right_node.next.point.y){tcx.basin.right_node=tcx.basin.right_node.next}if(tcx.basin.right_node===tcx.basin.bottom_node){return}tcx.basin.width=tcx.basin.right_node.point.x-tcx.basin.left_node.point.x;tcx.basin.left_highest=tcx.basin.left_node.point.y>tcx.basin.right_node.point.y;fillBasinReq(tcx,tcx.basin.bottom_node)}function fillBasinReq(tcx,node){if(isShallow(tcx,node)){return}fill(tcx,node);var o;if(node.prev===tcx.basin.left_node&&node.next===tcx.basin.right_node){return}else if(node.prev===tcx.basin.left_node){o=orient2d(node.point,node.next.point,node.next.next.point);if(o===Orientation.CW){return}node=node.next}else if(node.next===tcx.basin.right_node){o=orient2d(node.point,node.prev.point,node.prev.prev.point);if(o===Orientation.CCW){return}node=node.prev}else{if(node.prev.point.y<node.next.point.y){node=node.prev}else{node=node.next}}fillBasinReq(tcx,node)}function isShallow(tcx,node){var height;if(tcx.basin.left_highest){height=tcx.basin.left_node.point.y-node.point.y}else{height=tcx.basin.right_node.point.y-node.point.y}if(tcx.basin.width>height){return true}return false}function fillEdgeEvent(tcx,edge,node){if(tcx.edge_event.right){fillRightAboveEdgeEvent(tcx,edge,node)}else{fillLeftAboveEdgeEvent(tcx,edge,node)}}function fillRightAboveEdgeEvent(tcx,edge,node){while(node.next.point.x<edge.p.x){if(orient2d(edge.q,node.next.point,edge.p)===Orientation.CCW){fillRightBelowEdgeEvent(tcx,edge,node)}else{node=node.next}}}function fillRightBelowEdgeEvent(tcx,edge,node){if(node.point.x<edge.p.x){if(orient2d(node.point,node.next.point,node.next.next.point)===Orientation.CCW){fillRightConcaveEdgeEvent(tcx,edge,node)}else{fillRightConvexEdgeEvent(tcx,edge,node);fillRightBelowEdgeEvent(tcx,edge,node)}}}function fillRightConcaveEdgeEvent(tcx,edge,node){fill(tcx,node.next);if(node.next.point!==edge.p){if(orient2d(edge.q,node.next.point,edge.p)===Orientation.CCW){if(orient2d(node.point,node.next.point,node.next.next.point)===Orientation.CCW){fillRightConcaveEdgeEvent(tcx,edge,node)}else{}}}}function fillRightConvexEdgeEvent(tcx,edge,node){if(orient2d(node.next.point,node.next.next.point,node.next.next.next.point)===Orientation.CCW){fillRightConcaveEdgeEvent(tcx,edge,node.next)}else{if(orient2d(edge.q,node.next.next.point,edge.p)===Orientation.CCW){fillRightConvexEdgeEvent(tcx,edge,node.next)}else{}}}function fillLeftAboveEdgeEvent(tcx,edge,node){while(node.prev.point.x>edge.p.x){if(orient2d(edge.q,node.prev.point,edge.p)===Orientation.CW){fillLeftBelowEdgeEvent(tcx,edge,node)}else{node=node.prev}}}function fillLeftBelowEdgeEvent(tcx,edge,node){if(node.point.x>edge.p.x){if(orient2d(node.point,node.prev.point,node.prev.prev.point)===Orientation.CW){fillLeftConcaveEdgeEvent(tcx,edge,node)}else{fillLeftConvexEdgeEvent(tcx,edge,node);fillLeftBelowEdgeEvent(tcx,edge,node)}}}function fillLeftConvexEdgeEvent(tcx,edge,node){if(orient2d(node.prev.point,node.prev.prev.point,node.prev.prev.prev.point)===Orientation.CW){fillLeftConcaveEdgeEvent(tcx,edge,node.prev)}else{if(orient2d(edge.q,node.prev.prev.point,edge.p)===Orientation.CW){fillLeftConvexEdgeEvent(tcx,edge,node.prev)}else{}}}function fillLeftConcaveEdgeEvent(tcx,edge,node){fill(tcx,node.prev);if(node.prev.point!==edge.p){if(orient2d(edge.q,node.prev.point,edge.p)===Orientation.CW){if(orient2d(node.point,node.prev.point,node.prev.prev.point)===Orientation.CW){fillLeftConcaveEdgeEvent(tcx,edge,node)}else{}}}}function flipEdgeEvent(tcx,ep,eq,t,p){var ot=t.neighborAcross(p);if(!ot){throw new Error("poly2tri [BUG:FIXME] FLIP failed due to missing triangle!")}var op=ot.oppositePoint(t,p);if(t.getConstrainedEdgeAcross(p)){var index=t.index(p);throw new PointError("poly2tri Intersecting Constraints",[p,op,t.getPoint((index+1)%3),t.getPoint((index+2)%3)])}if(inScanArea(p,t.pointCCW(p),t.pointCW(p),op)){rotateTrianglePair(t,p,ot,op);tcx.mapTriangleToNodes(t);tcx.mapTriangleToNodes(ot);if(p===eq&&op===ep){if(eq===tcx.edge_event.constrained_edge.q&&ep===tcx.edge_event.constrained_edge.p){t.markConstrainedEdgeByPoints(ep,eq);ot.markConstrainedEdgeByPoints(ep,eq);legalize(tcx,t);legalize(tcx,ot)}else{}}else{var o=orient2d(eq,op,ep);t=nextFlipTriangle(tcx,o,t,ot,p,op);flipEdgeEvent(tcx,ep,eq,t,p)}}else{var newP=nextFlipPoint(ep,eq,ot,op);flipScanEdgeEvent(tcx,ep,eq,t,ot,newP);edgeEventByPoints(tcx,ep,eq,t,p)}}function nextFlipTriangle(tcx,o,t,ot,p,op){var edge_index;if(o===Orientation.CCW){edge_index=ot.edgeIndex(p,op);ot.delaunay_edge[edge_index]=true;legalize(tcx,ot);ot.clearDelunayEdges();return t}edge_index=t.edgeIndex(p,op);t.delaunay_edge[edge_index]=true;legalize(tcx,t);t.clearDelunayEdges();return ot}function nextFlipPoint(ep,eq,ot,op){var o2d=orient2d(eq,op,ep);if(o2d===Orientation.CW){return ot.pointCCW(op)}else if(o2d===Orientation.CCW){return ot.pointCW(op)}else{throw new PointError("poly2tri [Unsupported] nextFlipPoint: opposing point on constrained edge!",[eq,op,ep])}}function flipScanEdgeEvent(tcx,ep,eq,flip_triangle,t,p){var ot=t.neighborAcross(p);if(!ot){throw new Error("poly2tri [BUG:FIXME] FLIP failed due to missing triangle")}var op=ot.oppositePoint(t,p);if(inScanArea(eq,flip_triangle.pointCCW(eq),flip_triangle.pointCW(eq),op)){flipEdgeEvent(tcx,eq,op,ot,op)}else{var newP=nextFlipPoint(ep,eq,ot,op);flipScanEdgeEvent(tcx,ep,eq,flip_triangle,ot,newP)}}exports.triangulate=triangulate},{"./advancingfront":95,"./pointerror":97,"./triangle":101,"./utils":102}],100:[function(require,module,exports){"use strict";var PointError=require("./pointerror");var Point=require("./point");var Triangle=require("./triangle");var sweep=require("./sweep");var AdvancingFront=require("./advancingfront");var Node=AdvancingFront.Node;var kAlpha=.3;var Edge=function(p1,p2){this.p=p1;this.q=p2;if(p1.y>p2.y){this.q=p1;this.p=p2}else if(p1.y===p2.y){if(p1.x>p2.x){this.q=p1;this.p=p2}else if(p1.x===p2.x){throw new PointError("poly2tri Invalid Edge constructor: repeated points!",[p1])}}if(!this.q._p2t_edge_list){this.q._p2t_edge_list=[]}this.q._p2t_edge_list.push(this)};var Basin=function(){this.left_node=null;this.bottom_node=null;this.right_node=null;this.width=0;this.left_highest=false};Basin.prototype.clear=function(){this.left_node=null;this.bottom_node=null;this.right_node=null;this.width=0;this.left_highest=false};var EdgeEvent=function(){this.constrained_edge=null;this.right=false};var SweepContext=function(contour,options){options=options||{};this.triangles_=[];this.map_=[];this.points_=options.cloneArrays?contour.slice(0):contour;this.edge_list=[];this.pmin_=this.pmax_=null;this.front_=null;this.head_=null;this.tail_=null;this.af_head_=null;this.af_middle_=null;this.af_tail_=null;this.basin=new Basin;this.edge_event=new EdgeEvent;this.initEdges(this.points_)};SweepContext.prototype.addHole=function(polyline){this.initEdges(polyline);var i,len=polyline.length;for(i=0;i<len;i++){this.points_.push(polyline[i])}return this};SweepContext.prototype.AddHole=SweepContext.prototype.addHole;SweepContext.prototype.addPoint=function(point){this.points_.push(point);return this};SweepContext.prototype.AddPoint=SweepContext.prototype.addPoint;SweepContext.prototype.addPoints=function(points){this.points_=this.points_.concat(points);return this};SweepContext.prototype.triangulate=function(){sweep.triangulate(this);return this};SweepContext.prototype.getBoundingBox=function(){return{min:this.pmin_,max:this.pmax_}};SweepContext.prototype.getTriangles=function(){return this.triangles_};SweepContext.prototype.GetTriangles=SweepContext.prototype.getTriangles;SweepContext.prototype.front=function(){return this.front_};SweepContext.prototype.pointCount=function(){return this.points_.length};SweepContext.prototype.head=function(){return this.head_};SweepContext.prototype.setHead=function(p1){this.head_=p1};SweepContext.prototype.tail=function(){return this.tail_};SweepContext.prototype.setTail=function(p1){this.tail_=p1};SweepContext.prototype.getMap=function(){return this.map_};SweepContext.prototype.initTriangulation=function(){var xmax=this.points_[0].x;var xmin=this.points_[0].x;var ymax=this.points_[0].y;var ymin=this.points_[0].y;var i,len=this.points_.length;for(i=1;i<len;i++){var p=this.points_[i];p.x>xmax&&(xmax=p.x);p.x<xmin&&(xmin=p.x);p.y>ymax&&(ymax=p.y);p.y<ymin&&(ymin=p.y)}this.pmin_=new Point(xmin,ymin);this.pmax_=new Point(xmax,ymax);var dx=kAlpha*(xmax-xmin);var dy=kAlpha*(ymax-ymin);this.head_=new Point(xmax+dx,ymin-dy);this.tail_=new Point(xmin-dx,ymin-dy);this.points_.sort(Point.compare)};SweepContext.prototype.initEdges=function(polyline){var i,len=polyline.length;for(i=0;i<len;++i){this.edge_list.push(new Edge(polyline[i],polyline[(i+1)%len]))}};SweepContext.prototype.getPoint=function(index){return this.points_[index]};SweepContext.prototype.addToMap=function(triangle){this.map_.push(triangle)};SweepContext.prototype.locateNode=function(point){return this.front_.locateNode(point.x)};SweepContext.prototype.createAdvancingFront=function(){var head;var middle;var tail;var triangle=new Triangle(this.points_[0],this.tail_,this.head_);this.map_.push(triangle);head=new Node(triangle.getPoint(1),triangle);middle=new Node(triangle.getPoint(0),triangle);tail=new Node(triangle.getPoint(2));this.front_=new AdvancingFront(head,tail);head.next=middle;middle.next=tail;middle.prev=head;tail.prev=middle};SweepContext.prototype.removeNode=function(node){};SweepContext.prototype.mapTriangleToNodes=function(t){for(var i=0;i<3;++i){if(!t.getNeighbor(i)){var n=this.front_.locatePoint(t.pointCW(t.getPoint(i)));if(n){n.triangle=t}}}};SweepContext.prototype.removeFromMap=function(triangle){var i,map=this.map_,len=map.length;for(i=0;i<len;i++){if(map[i]===triangle){map.splice(i,1);break}}};SweepContext.prototype.meshClean=function(triangle){var triangles=[triangle],t,i;while(t=triangles.pop()){if(!t.isInterior()){t.setInterior(true);this.triangles_.push(t);for(i=0;i<3;i++){if(!t.constrained_edge[i]){triangles.push(t.getNeighbor(i))}}}}};module.exports=SweepContext},{"./advancingfront":95,"./point":96,"./pointerror":97,"./sweep":99,"./triangle":101}],101:[function(require,module,exports){"use strict";var xy=require("./xy");var Triangle=function(a,b,c){this.points_=[a,b,c];this.neighbors_=[null,null,null];this.interior_=false;this.constrained_edge=[false,false,false];this.delaunay_edge=[false,false,false]};var p2s=xy.toString;Triangle.prototype.toString=function(){return"["+p2s(this.points_[0])+p2s(this.points_[1])+p2s(this.points_[2])+"]"};Triangle.prototype.getPoint=function(index){return this.points_[index]};Triangle.prototype.GetPoint=Triangle.prototype.getPoint;Triangle.prototype.getPoints=function(){return this.points_};Triangle.prototype.getNeighbor=function(index){return this.neighbors_[index]};Triangle.prototype.containsPoint=function(point){var points=this.points_;return point===points[0]||point===points[1]||point===points[2]};Triangle.prototype.containsEdge=function(edge){return this.containsPoint(edge.p)&&this.containsPoint(edge.q)};Triangle.prototype.containsPoints=function(p1,p2){return this.containsPoint(p1)&&this.containsPoint(p2)};Triangle.prototype.isInterior=function(){return this.interior_};Triangle.prototype.setInterior=function(interior){this.interior_=interior;return this};Triangle.prototype.markNeighborPointers=function(p1,p2,t){var points=this.points_;if(p1===points[2]&&p2===points[1]||p1===points[1]&&p2===points[2]){this.neighbors_[0]=t}else if(p1===points[0]&&p2===points[2]||p1===points[2]&&p2===points[0]){this.neighbors_[1]=t}else if(p1===points[0]&&p2===points[1]||p1===points[1]&&p2===points[0]){this.neighbors_[2]=t}else{throw new Error("poly2tri Invalid Triangle.markNeighborPointers() call")}};Triangle.prototype.markNeighbor=function(t){var points=this.points_;if(t.containsPoints(points[1],points[2])){this.neighbors_[0]=t;t.markNeighborPointers(points[1],points[2],this)}else if(t.containsPoints(points[0],points[2])){this.neighbors_[1]=t;t.markNeighborPointers(points[0],points[2],this)}else if(t.containsPoints(points[0],points[1])){this.neighbors_[2]=t;t.markNeighborPointers(points[0],points[1],this)}};Triangle.prototype.clearNeigbors=function(){this.neighbors_[0]=null;this.neighbors_[1]=null;this.neighbors_[2]=null};Triangle.prototype.clearDelunayEdges=function(){this.delaunay_edge[0]=false;this.delaunay_edge[1]=false;this.delaunay_edge[2]=false};Triangle.prototype.pointCW=function(p){var points=this.points_;if(p===points[0]){return points[2]}else if(p===points[1]){return points[0]}else if(p===points[2]){return points[1]}else{return null}};Triangle.prototype.pointCCW=function(p){var points=this.points_;if(p===points[0]){return points[1]}else if(p===points[1]){return points[2]}else if(p===points[2]){return points[0]}else{return null}};Triangle.prototype.neighborCW=function(p){if(p===this.points_[0]){return this.neighbors_[1]}else if(p===this.points_[1]){return this.neighbors_[2]}else{return this.neighbors_[0]}};Triangle.prototype.neighborCCW=function(p){if(p===this.points_[0]){return this.neighbors_[2]}else if(p===this.points_[1]){return this.neighbors_[0]}else{return this.neighbors_[1]}};Triangle.prototype.getConstrainedEdgeCW=function(p){if(p===this.points_[0]){return this.constrained_edge[1]}else if(p===this.points_[1]){return this.constrained_edge[2]}else{return this.constrained_edge[0]}};Triangle.prototype.getConstrainedEdgeCCW=function(p){if(p===this.points_[0]){return this.constrained_edge[2]}else if(p===this.points_[1]){return this.constrained_edge[0]}else{return this.constrained_edge[1]}};Triangle.prototype.getConstrainedEdgeAcross=function(p){if(p===this.points_[0]){return this.constrained_edge[0]}else if(p===this.points_[1]){return this.constrained_edge[1]}else{return this.constrained_edge[2]}};Triangle.prototype.setConstrainedEdgeCW=function(p,ce){if(p===this.points_[0]){this.constrained_edge[1]=ce}else if(p===this.points_[1]){this.constrained_edge[2]=ce}else{this.constrained_edge[0]=ce}};Triangle.prototype.setConstrainedEdgeCCW=function(p,ce){if(p===this.points_[0]){this.constrained_edge[2]=ce;

}else if(p===this.points_[1]){this.constrained_edge[0]=ce}else{this.constrained_edge[1]=ce}};Triangle.prototype.getDelaunayEdgeCW=function(p){if(p===this.points_[0]){return this.delaunay_edge[1]}else if(p===this.points_[1]){return this.delaunay_edge[2]}else{return this.delaunay_edge[0]}};Triangle.prototype.getDelaunayEdgeCCW=function(p){if(p===this.points_[0]){return this.delaunay_edge[2]}else if(p===this.points_[1]){return this.delaunay_edge[0]}else{return this.delaunay_edge[1]}};Triangle.prototype.setDelaunayEdgeCW=function(p,e){if(p===this.points_[0]){this.delaunay_edge[1]=e}else if(p===this.points_[1]){this.delaunay_edge[2]=e}else{this.delaunay_edge[0]=e}};Triangle.prototype.setDelaunayEdgeCCW=function(p,e){if(p===this.points_[0]){this.delaunay_edge[2]=e}else if(p===this.points_[1]){this.delaunay_edge[0]=e}else{this.delaunay_edge[1]=e}};Triangle.prototype.neighborAcross=function(p){if(p===this.points_[0]){return this.neighbors_[0]}else if(p===this.points_[1]){return this.neighbors_[1]}else{return this.neighbors_[2]}};Triangle.prototype.oppositePoint=function(t,p){var cw=t.pointCW(p);return this.pointCW(cw)};Triangle.prototype.legalize=function(opoint,npoint){var points=this.points_;if(opoint===points[0]){points[1]=points[0];points[0]=points[2];points[2]=npoint}else if(opoint===points[1]){points[2]=points[1];points[1]=points[0];points[0]=npoint}else if(opoint===points[2]){points[0]=points[2];points[2]=points[1];points[1]=npoint}else{throw new Error("poly2tri Invalid Triangle.legalize() call")}};Triangle.prototype.index=function(p){var points=this.points_;if(p===points[0]){return 0}else if(p===points[1]){return 1}else if(p===points[2]){return 2}else{throw new Error("poly2tri Invalid Triangle.index() call")}};Triangle.prototype.edgeIndex=function(p1,p2){var points=this.points_;if(p1===points[0]){if(p2===points[1]){return 2}else if(p2===points[2]){return 1}}else if(p1===points[1]){if(p2===points[2]){return 0}else if(p2===points[0]){return 2}}else if(p1===points[2]){if(p2===points[0]){return 1}else if(p2===points[1]){return 0}}return-1};Triangle.prototype.markConstrainedEdgeByIndex=function(index){this.constrained_edge[index]=true};Triangle.prototype.markConstrainedEdgeByEdge=function(edge){this.markConstrainedEdgeByPoints(edge.p,edge.q)};Triangle.prototype.markConstrainedEdgeByPoints=function(p,q){var points=this.points_;if(q===points[0]&&p===points[1]||q===points[1]&&p===points[0]){this.constrained_edge[2]=true}else if(q===points[0]&&p===points[2]||q===points[2]&&p===points[0]){this.constrained_edge[1]=true}else if(q===points[1]&&p===points[2]||q===points[2]&&p===points[1]){this.constrained_edge[0]=true}};module.exports=Triangle},{"./xy":103}],102:[function(require,module,exports){"use strict";var EPSILON=1e-12;var Orientation={CW:1,CCW:-1,COLLINEAR:0};function orient2d(pa,pb,pc){var detleft=(pa.x-pc.x)*(pb.y-pc.y);var detright=(pa.y-pc.y)*(pb.x-pc.x);var val=detleft-detright;if(val>-EPSILON&&val<EPSILON){return Orientation.COLLINEAR}else if(val>0){return Orientation.CCW}else{return Orientation.CW}}function inScanArea(pa,pb,pc,pd){var oadb=(pa.x-pb.x)*(pd.y-pb.y)-(pd.x-pb.x)*(pa.y-pb.y);if(oadb>=-EPSILON){return false}var oadc=(pa.x-pc.x)*(pd.y-pc.y)-(pd.x-pc.x)*(pa.y-pc.y);if(oadc<=EPSILON){return false}return true}module.exports={EPSILON:EPSILON,Orientation:Orientation,orient2d:orient2d,inScanArea:inScanArea}},{}],103:[function(require,module,exports){"use strict";function toStringBase(p){return"("+p.x+";"+p.y+")"}function toString(p){var s=p.toString();return s==="[object Object]"?toStringBase(p):s}function compare(a,b){if(a.y===b.y){return a.x-b.x}else{return a.y-b.y}}function equals(a,b){return a.x===b.x&&a.y===b.y}module.exports={toString:toString,toStringBase:toStringBase,compare:compare,equals:equals}},{}],104:[function(require,module,exports){"use strict";module.exports=triangulateLoop;var poly2tri=require("poly2tri");function PointWrapper(x,y,idx){this.x=x;this.y=y;this.idx=idx}function triangulatePolyline(loops,positions,perturb){function convertLoop(loop){return loop.map(function(v){var p=positions[v];return new PointWrapper(p[0]+(.5-Math.random())*perturb*(1+Math.abs(p[0])),p[1]+(.5-Math.random())*perturb*(1+Math.abs(p[1])),v)})}var numLoops=loops.length;var outerLoop=0;var outerPoint=positions[loops[0][0]];for(var i=0;i<numLoops;++i){var loop=loops[i];var n=loop.length;for(var j=0;j<n;++j){var p=positions[loop[j]];var d=p[1]-outerPoint[1];if(d===0){d=p[0]-outerPoint[0]}if(d<0){outerPoint=p;outerLoop=i}}}var ctx=new poly2tri.SweepContext(convertLoop(loops[outerLoop]));for(var i=0;i<numLoops;++i){if(i===outerLoop){continue}ctx.addHole(convertLoop(loops[i]))}ctx.triangulate();var triangles=ctx.getTriangles();return triangles.map(function(tri){return[tri.getPoint(0).idx,tri.getPoint(1).idx,tri.getPoint(2).idx]})}function triangulateLoop(loops,positions){var p=0;for(var i=0;i<10;++i){try{return triangulatePolyline(loops,positions,p)}catch(e){}p=(p+1e-8)*2}return[]}},{poly2tri:98}],105:[function(require,module,exports){"use strict";module.exports=axesProperties;var getPlanes=require("extract-frustum-planes");var splitPoly=require("split-polygon");var cubeParams=require("./lib/cube.js");var m4mul=require("gl-mat4/multiply");var m4transpose=require("gl-mat4/transpose");var v4transformMat4=require("gl-vec4/transformMat4");var identity=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]);var mvp=new Float32Array(16);function AxesRange3D(lo,hi,pixelsPerDataUnit){this.lo=lo;this.hi=hi;this.pixelsPerDataUnit=pixelsPerDataUnit}var SCRATCH_P=[0,0,0,1];var SCRATCH_Q=[0,0,0,1];function gradient(result,M,v,width,height){for(var i=0;i<3;++i){var p=SCRATCH_P;var q=SCRATCH_Q;for(var j=0;j<3;++j){q[j]=p[j]=v[j]}q[3]=p[3]=1;q[i]+=1;v4transformMat4(q,q,M);if(q[3]<0){result[i]=Infinity}p[i]-=1;v4transformMat4(p,p,M);if(p[3]<0){result[i]=Infinity}var dx=(p[0]/p[3]-q[0]/q[3])*width;var dy=(p[1]/p[3]-q[1]/q[3])*height;result[i]=.25*Math.sqrt(dx*dx+dy*dy)}return result}var RANGES=[new AxesRange3D(Infinity,-Infinity,Infinity),new AxesRange3D(Infinity,-Infinity,Infinity),new AxesRange3D(Infinity,-Infinity,Infinity)];var SCRATCH_X=[0,0,0];function axesProperties(axes,camera,width,height,params){var model=camera.model||identity;var view=camera.view||identity;var projection=camera.projection||identity;var bounds=axes.bounds;var params=params||cubeParams(model,view,projection,bounds);var axis=params.axis;var edges=params.edges;m4mul(mvp,view,model);m4mul(mvp,projection,mvp);var ranges=RANGES;for(var i=0;i<3;++i){ranges[i].lo=Infinity;ranges[i].hi=-Infinity;ranges[i].pixelsPerDataUnit=Infinity}var frustum=getPlanes(m4transpose(mvp,mvp));m4transpose(mvp,mvp);for(var d=0;d<3;++d){var u=(d+1)%3;var v=(d+2)%3;var x=SCRATCH_X;i_loop:for(var i=0;i<2;++i){var poly=[];if(axis[d]<0===!!i){continue}x[d]=bounds[i][d];for(var j=0;j<2;++j){x[u]=bounds[j^i][u];for(var k=0;k<2;++k){x[v]=bounds[k^j^i][v];poly.push(x.slice())}}for(var j=0;j<frustum.length;++j){if(poly.length===0){continue i_loop}poly=splitPoly.positive(poly,frustum[j])}for(var j=0;j<poly.length;++j){var v=poly[j];var grad=gradient(SCRATCH_X,mvp,v,width,height);for(var k=0;k<3;++k){ranges[k].lo=Math.min(ranges[k].lo,v[k]);ranges[k].hi=Math.max(ranges[k].hi,v[k]);if(k!==d){ranges[k].pixelsPerDataUnit=Math.min(ranges[k].pixelsPerDataUnit,Math.abs(grad[k]))}}}}}return ranges}},{"./lib/cube.js":24,"extract-frustum-planes":31,"gl-mat4/multiply":120,"gl-mat4/transpose":122,"gl-vec4/transformMat4":43,"split-polygon":50}],106:[function(require,module,exports){"use strict";var createTexture=require("gl-texture2d");module.exports=createFBO;var colorAttachmentArrays=null;var FRAMEBUFFER_UNSUPPORTED;var FRAMEBUFFER_INCOMPLETE_ATTACHMENT;var FRAMEBUFFER_INCOMPLETE_DIMENSIONS;var FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT;function saveFBOState(gl){var fbo=gl.getParameter(gl.FRAMEBUFFER_BINDING);var rbo=gl.getParameter(gl.RENDERBUFFER_BINDING);var tex=gl.getParameter(gl.TEXTURE_BINDING_2D);return[fbo,rbo,tex]}function restoreFBOState(gl,data){gl.bindFramebuffer(gl.FRAMEBUFFER,data[0]);gl.bindRenderbuffer(gl.RENDERBUFFER,data[1]);gl.bindTexture(gl.TEXTURE_2D,data[2])}function lazyInitColorAttachments(gl,ext){var maxColorAttachments=gl.getParameter(ext.MAX_COLOR_ATTACHMENTS_WEBGL);colorAttachmentArrays=new Array(maxColorAttachments+1);for(var i=0;i<=maxColorAttachments;++i){var x=new Array(maxColorAttachments);for(var j=0;j<i;++j){x[j]=gl.COLOR_ATTACHMENT0+j}for(var j=i;j<maxColorAttachments;++j){x[j]=gl.NONE}colorAttachmentArrays[i]=x}}function throwFBOError(status){switch(status){case FRAMEBUFFER_UNSUPPORTED:throw new Error("gl-fbo: Framebuffer unsupported");case FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw new Error("gl-fbo: Framebuffer incomplete attachment");case FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw new Error("gl-fbo: Framebuffer incomplete dimensions");case FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw new Error("gl-fbo: Framebuffer incomplete missing attachment");default:throw new Error("gl-fbo: Framebuffer failed for unspecified reason")}}function initTexture(gl,width,height,type,format,attachment){if(!type){return null}var result=createTexture(gl,width,height,format,type);result.magFilter=gl.NEAREST;result.minFilter=gl.NEAREST;result.mipSamples=1;result.bind();gl.framebufferTexture2D(gl.FRAMEBUFFER,attachment,gl.TEXTURE_2D,result.handle,0);return result}function initRenderBuffer(gl,width,height,component,attachment){var result=gl.createRenderbuffer();gl.bindRenderbuffer(gl.RENDERBUFFER,result);gl.renderbufferStorage(gl.RENDERBUFFER,component,width,height);gl.framebufferRenderbuffer(gl.FRAMEBUFFER,attachment,gl.RENDERBUFFER,result);return result}function rebuildFBO(fbo){var state=saveFBOState(fbo.gl);var gl=fbo.gl;var handle=fbo.handle=gl.createFramebuffer();var width=fbo._shape[0];var height=fbo._shape[1];var numColors=fbo.color.length;var ext=fbo._ext;var useStencil=fbo._useStencil;var useDepth=fbo._useDepth;var colorType=fbo._colorType;gl.bindFramebuffer(gl.FRAMEBUFFER,handle);for(var i=0;i<numColors;++i){fbo.color[i]=initTexture(gl,width,height,colorType,gl.RGBA,gl.COLOR_ATTACHMENT0+i)}if(numColors===0){fbo._color_rb=initRenderBuffer(gl,width,height,gl.RGBA4,gl.COLOR_ATTACHMENT0);if(ext){ext.drawBuffersWEBGL(colorAttachmentArrays[0])}}else if(numColors>1){ext.drawBuffersWEBGL(colorAttachmentArrays[numColors])}var WEBGL_depth_texture=gl.getExtension("WEBGL_depth_texture");if(WEBGL_depth_texture){if(useStencil){fbo.depth=initTexture(gl,width,height,WEBGL_depth_texture.UNSIGNED_INT_24_8_WEBGL,gl.DEPTH_STENCIL,gl.DEPTH_STENCIL_ATTACHMENT)}else if(useDepth){fbo.depth=initTexture(gl,width,height,gl.UNSIGNED_SHORT,gl.DEPTH_COMPONENT,gl.DEPTH_ATTACHMENT)}}else{if(useDepth&&useStencil){fbo._depth_rb=initRenderBuffer(gl,width,height,gl.DEPTH_STENCIL,gl.DEPTH_STENCIL_ATTACHMENT)}else if(useDepth){fbo._depth_rb=initRenderBuffer(gl,width,height,gl.DEPTH_COMPONENT16,gl.DEPTH_ATTACHMENT)}else if(useStencil){fbo._depth_rb=initRenderBuffer(gl,width,height,gl.STENCIL_INDEX,gl.STENCIL_ATTACHMENT)}}var status=gl.checkFramebufferStatus(gl.FRAMEBUFFER);if(status!==gl.FRAMEBUFFER_COMPLETE){fbo._destroyed=true;gl.bindFramebuffer(gl.FRAMEBUFFER,null);gl.deleteFramebuffer(fbo.handle);fbo.handle=null;if(fbo.depth){fbo.depth.dispose();fbo.depth=null}if(fbo._depth_rb){gl.deleteRenderbuffer(fbo._depth_rb);fbo._depth_rb=null}for(var i=0;i<fbo.color.length;++i){fbo.color[i].dispose();fbo.color[i]=null}if(fbo._color_rb){gl.deleteRenderbuffer(fbo._color_rb);fbo._color_rb=null}restoreFBOState(gl,state);throwFBOError(status)}restoreFBOState(gl,state)}function Framebuffer(gl,width,height,colorType,numColors,useDepth,useStencil,ext){this.gl=gl;this._shape=[width|0,height|0];this._destroyed=false;this._ext=ext;this.color=new Array(numColors);for(var i=0;i<numColors;++i){this.color[i]=null}this._color_rb=null;this.depth=null;this._depth_rb=null;this._colorType=colorType;this._useDepth=useDepth;this._useStencil=useStencil;var parent=this;var shapeVector=[width|0,height|0];Object.defineProperties(shapeVector,{0:{get:function(){return parent._shape[0]},set:function(w){return parent.width=w}},1:{get:function(){return parent._shape[1]},set:function(h){return parent.height=h}}});this._shapeVector=shapeVector;rebuildFBO(this)}var proto=Framebuffer.prototype;function reshapeFBO(fbo,w,h){if(fbo._destroyed){throw new Error("gl-fbo: Can't resize destroyed FBO")}if(fbo._shape[0]===w&&fbo._shape[1]===h){return}var gl=fbo.gl;var maxFBOSize=gl.getParameter(gl.MAX_RENDERBUFFER_SIZE);if(w<0||w>maxFBOSize||h<0||h>maxFBOSize){throw new Error("gl-fbo: Can't resize FBO, invalid dimensions")}fbo._shape[0]=w;fbo._shape[1]=h;var state=saveFBOState(gl);for(var i=0;i<fbo.color.length;++i){fbo.color[i].shape=fbo._shape}if(fbo._color_rb){gl.bindRenderbuffer(gl.RENDERBUFFER,fbo._color_rb);gl.renderbufferStorage(gl.RENDERBUFFER,gl.RGBA4,fbo._shape[0],fbo._shape[1])}if(fbo.depth){fbo.depth.shape=fbo._shape}if(fbo._depth_rb){gl.bindRenderbuffer(gl.RENDERBUFFER,fbo._depth_rb);if(fbo._useDepth&&fbo._useStencil){gl.renderbufferStorage(gl.RENDERBUFFER,gl.DEPTH_STENCIL,fbo._shape[0],fbo._shape[1])}else if(fbo._useDepth){gl.renderbufferStorage(gl.RENDERBUFFER,gl.DEPTH_COMPONENT16,fbo._shape[0],fbo._shape[1])}else if(fbo._useStencil){gl.renderbufferStorage(gl.RENDERBUFFER,gl.STENCIL_INDEX,fbo._shape[0],fbo._shape[1])}}gl.bindFramebuffer(gl.FRAMEBUFFER,fbo.handle);var status=gl.checkFramebufferStatus(gl.FRAMEBUFFER);if(status!==gl.FRAMEBUFFER_COMPLETE){fbo.dispose();restoreFBOState(gl,state);throwFBOError(status)}restoreFBOState(gl,state)}Object.defineProperties(proto,{shape:{get:function(){if(this._destroyed){return[0,0]}return this._shapeVector},set:function(x){if(!Array.isArray(x)){x=[x|0,x|0]}if(x.length!==2){throw new Error("gl-fbo: Shape vector must be length 2")}var w=x[0]|0;var h=x[1]|0;reshapeFBO(this,w,h);return[w,h]},enumerable:false},width:{get:function(){if(this._destroyed){return 0}return this._shape[0]},set:function(w){w=w|0;reshapeFBO(this,w,this._shape[1]);return w},enumerable:false},height:{get:function(){if(this._destroyed){return 0}return this._shape[1]},set:function(h){h=h|0;reshapeFBO(this,this._shape[0],h);return h},enumerable:false}});proto.bind=function(){if(this._destroyed){return}var gl=this.gl;gl.bindFramebuffer(gl.FRAMEBUFFER,this.handle);gl.viewport(0,0,this._shape[0],this._shape[1])};proto.dispose=function(){if(this._destroyed){return}this._destroyed=true;var gl=this.gl;gl.deleteFramebuffer(this.handle);this.handle=null;if(this.depth){this.depth.dispose();this.depth=null}if(this._depth_rb){gl.deleteRenderbuffer(this._depth_rb);this._depth_rb=null}for(var i=0;i<this.color.length;++i){this.color[i].dispose();this.color[i]=null}if(this._color_rb){gl.deleteRenderbuffer(this._color_rb);this._color_rb=null}};function createFBO(gl,width,height,options){if(!FRAMEBUFFER_UNSUPPORTED){FRAMEBUFFER_UNSUPPORTED=gl.FRAMEBUFFER_UNSUPPORTED;FRAMEBUFFER_INCOMPLETE_ATTACHMENT=gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT;FRAMEBUFFER_INCOMPLETE_DIMENSIONS=gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS;FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT=gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT}var WEBGL_draw_buffers=gl.getExtension("WEBGL_draw_buffers");if(!colorAttachmentArrays&&WEBGL_draw_buffers){lazyInitColorAttachments(gl,WEBGL_draw_buffers)}if(Array.isArray(width)){options=height;height=width[1]|0;width=width[0]|0}if(typeof width!=="number"){throw new Error("gl-fbo: Missing shape parameter")}var maxFBOSize=gl.getParameter(gl.MAX_RENDERBUFFER_SIZE);if(width<0||width>maxFBOSize||height<0||height>maxFBOSize){throw new Error("gl-fbo: Parameters are too large for FBO")}options=options||{};var numColors=1;if("color"in options){numColors=Math.max(options.color|0,0);if(numColors<0){throw new Error("gl-fbo: Must specify a nonnegative number of colors")}if(numColors>1){if(!WEBGL_draw_buffers){throw new Error("gl-fbo: Multiple draw buffer extension not supported")}else if(numColors>gl.getParameter(WEBGL_draw_buffers.MAX_COLOR_ATTACHMENTS_WEBGL)){throw new Error("gl-fbo: Context does not support "+numColors+" draw buffers")}}}var colorType=gl.UNSIGNED_BYTE;var OES_texture_float=gl.getExtension("OES_texture_float");if(options.float&&numColors>0){if(!OES_texture_float){throw new Error("gl-fbo: Context does not support floating point textures")}colorType=gl.FLOAT}else if(options.preferFloat&&numColors>0){if(OES_texture_float){colorType=gl.FLOAT}}var useDepth=true;if("depth"in options){useDepth=!!options.depth}var useStencil=false;if("stencil"in options){useStencil=!!options.stencil}return new Framebuffer(gl,width,height,colorType,numColors,useDepth,useStencil,WEBGL_draw_buffers)}},{"gl-texture2d":115}],107:[function(require,module,exports){arguments[4][8][0].apply(exports,arguments)},{"cwise-compiler":108,dup:8}],108:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{"./lib/thunk.js":110,dup:9}],109:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10,uniq:111}],110:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{"./compile.js":109,dup:11}],111:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],112:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],113:[function(require,module,exports){arguments[4][14][0].apply(exports,arguments)},{dup:14}],114:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":112,buffer:1,dup:113}],115:[function(require,module,exports){"use strict";var ndarray=require("ndarray");var ops=require("ndarray-ops");var pool=require("typedarray-pool");module.exports=createTexture2D;var linearTypes=null;var filterTypes=null;var wrapTypes=null;function lazyInitLinearTypes(gl){linearTypes=[gl.LINEAR,gl.NEAREST_MIPMAP_LINEAR,gl.LINEAR_MIPMAP_NEAREST,gl.LINEAR_MIPMAP_NEAREST];filterTypes=[gl.NEAREST,gl.LINEAR,gl.NEAREST_MIPMAP_NEAREST,gl.NEAREST_MIPMAP_LINEAR,gl.LINEAR_MIPMAP_NEAREST,gl.LINEAR_MIPMAP_LINEAR];wrapTypes=[gl.REPEAT,gl.CLAMP_TO_EDGE,gl.MIRRORED_REPEAT]}var convertFloatToUint8=function(out,inp){ops.muls(out,inp,255)};function reshapeTexture(tex,w,h){var gl=tex.gl;var maxSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(w<0||w>maxSize||h<0||h>maxSize){throw new Error("gl-texture2d: Invalid texture size")}tex._shape=[w,h];tex.bind();gl.texImage2D(gl.TEXTURE_2D,0,tex.format,w,h,0,tex.format,tex.type,null);tex._mipLevels=[0];return tex}function Texture2D(gl,handle,width,height,format,type){this.gl=gl;this.handle=handle;this.format=format;this.type=type;this._shape=[width,height];this._mipLevels=[0];this._magFilter=gl.NEAREST;this._minFilter=gl.NEAREST;this._wrapS=gl.CLAMP_TO_EDGE;this._wrapT=gl.CLAMP_TO_EDGE;this._anisoSamples=1;var parent=this;var wrapVector=[this._wrapS,this._wrapT];Object.defineProperties(wrapVector,[{get:function(){return parent._wrapS},set:function(v){return parent.wrapS=v}},{get:function(){return parent._wrapT},set:function(v){return parent.wrapT=v}}]);this._wrapVector=wrapVector;var shapeVector=[this._shape[0],this._shape[1]];Object.defineProperties(shapeVector,[{get:function(){return parent._shape[0]},set:function(v){return parent.width=v}},{get:function(){return parent._shape[1]},set:function(v){return parent.height=v}}]);this._shapeVector=shapeVector}var proto=Texture2D.prototype;Object.defineProperties(proto,{minFilter:{get:function(){return this._minFilter},set:function(v){this.bind();var gl=this.gl;if(this.type===gl.FLOAT&&linearTypes.indexOf(v)>=0){if(!gl.getExtension("OES_texture_float_linear")){v=gl.NEAREST}}if(filterTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown filter mode "+v)}gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,v);return this._minFilter=v}},magFilter:{get:function(){return this._magFilter},set:function(v){this.bind();var gl=this.gl;if(this.type===gl.FLOAT&&linearTypes.indexOf(v)>=0){if(!gl.getExtension("OES_texture_float_linear")){v=gl.NEAREST}}if(filterTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown filter mode "+v)}gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,v);return this._magFilter=v}},mipSamples:{get:function(){return this._anisoSamples},set:function(i){var psamples=this._anisoSamples;this._anisoSamples=Math.max(i,1)|0;if(psamples!==this._anisoSamples){var ext=gl.getExtension("EXT_texture_filter_anisotropic");if(ext){this.gl.texParameterf(this.gl.TEXTURE_2D,ext.TEXTURE_MAX_ANISOTROPY_EXT,this._anisoSamples)}}return this._anisoSamples}},wrapS:{get:function(){return this._wrapS},set:function(v){this.bind();if(wrapTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_S,v);return this._wrapS=v}},wrapT:{get:function(){return this._wrapT},set:function(v){this.bind();if(wrapTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_T,v);return this._wrapT=v}},wrap:{get:function(){return this._wrapVector},set:function(v){if(!Array.isArray(v)){v=[v,v]}if(v.length!==2){throw new Error("gl-texture2d: Must specify wrap mode for rows and columns")}for(var i=0;i<2;++i){if(wrapTypes.indexOf(v[i])<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}}this._wrapS=v[0];this._wrapT=v[1];var gl=this.gl;this.bind();gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,this._wrapS);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,this._wrapT);return v}},shape:{get:function(){return this._shapeVector},set:function(x){if(!Array.isArray(x)){x=[x|0,x|0]}else{if(x.length!==2){throw new Error("gl-texture2d: Invalid texture shape")}}reshapeTexture(this,x[0]|0,x[1]|0);return[x[0]|0,x[1]|0]}},width:{get:function(){return this._shape[0]},set:function(w){w=w|0;reshapeTexture(this,w,this._shape[1]);return w}},height:{get:function(){return this._shape[1]},set:function(h){h=h|0;reshapeTexture(this,this._shape[0],h);return h}}});proto.bind=function(unit){var gl=this.gl;if(unit!==undefined){gl.activeTexture(gl.TEXTURE0+(unit|0))}gl.bindTexture(gl.TEXTURE_2D,this.handle);if(unit!==undefined){return unit|0}return gl.getParameter(gl.ACTIVE_TEXTURE)-gl.TEXTURE0};proto.dispose=function(){this.gl.deleteTexture(this.handle)};proto.generateMipmap=function(){this.bind();this.gl.generateMipmap(this.gl.TEXTURE_2D);var l=Math.min(this._shape[0],this._shape[1]);for(var i=0;l>0;++i,l>>>=1){if(this._mipLevels.indexOf(i)<0){this._mipLevels.push(i)}}};proto.setPixels=function(data,x_off,y_off,mip_level){var gl=this.gl;this.bind();if(Array.isArray(x_off)){mip_level=y_off;y_off=x_off[1]|0;x_off=x_off[0]|0}else{x_off=x_off||0;y_off=y_off||0}mip_level=mip_level||0;if(data instanceof HTMLCanvasElement||data instanceof ImageData||data instanceof HTMLImageElement||data instanceof HTMLVideoElement){var needsMip=this._mipLevels.indexOf(mip_level)<0;if(needsMip){gl.texImage2D(gl.TEXTURE_2D,0,this.format,this.format,this.type,data);this._mipLevels.push(mip_level)}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,this.format,this.type,data)}}else if(data.shape&&data.stride&&data.data){if(data.shape.length<2||x_off+data.shape[1]>this._shape[1]>>>mip_level||y_off+data.shape[0]>this._shape[0]>>>mip_level||x_off<0||y_off<0){throw new Error("gl-texture2d: Texture dimensions are out of bounds")}texSubImageArray(gl,x_off,y_off,mip_level,this.format,this.type,this._mipLevels,data)}else{throw new Error("gl-texture2d: Unsupported data type")}};function isPacked(shape,stride){if(shape.length===3){return stride[2]===1&&stride[1]===shape[0]*shape[2]&&stride[0]===shape[2]}return stride[0]===1&&stride[1]===shape[0]}function texSubImageArray(gl,x_off,y_off,mip_level,cformat,ctype,mipLevels,array){var dtype=array.dtype;var shape=array.shape.slice();if(shape.length<2||shape.length>3){throw new Error("gl-texture2d: Invalid ndarray, must be 2d or 3d")}var type=0,format=0;var packed=isPacked(shape,array.stride.slice());if(dtype==="float32"){type=gl.FLOAT}else if(dtype==="float64"){type=gl.FLOAT;packed=false;dtype="float32"}else if(dtype==="uint8"){type=gl.UNSIGNED_BYTE}else{type=gl.UNSIGNED_BYTE;packed=false;dtype="uint8"}var channels=1;if(shape.length===2){format=gl.LUMINANCE;shape=[shape[0],shape[1],1];array=ndarray(array.data,shape,[array.stride[0],array.stride[1],1],array.offset)}else if(shape.length===3){if(shape[2]===1){format=gl.ALPHA}else if(shape[2]===2){format=gl.LUMINANCE_ALPHA}else if(shape[2]===3){format=gl.RGB}else if(shape[2]===4){format=gl.RGBA}else{throw new Error("gl-texture2d: Invalid shape for pixel coords")}channels=shape[2]}else{throw new Error("gl-texture2d: Invalid shape for texture")}if((format===gl.LUMINANCE||format===gl.ALPHA)&&(cformat===gl.LUMINANCE||cformat===gl.ALPHA)){format=cformat}if(format!==cformat){throw new Error("gl-texture2d: Incompatible texture format for setPixels")}var size=array.size;var needsMip=mipLevels.indexOf(mip_level)<0;if(needsMip){mipLevels.push(mip_level)}if(type===ctype&&packed){if(array.offset===0&&array.data.length===size){if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,array.data)}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,array.data)}}else{if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,array.data.subarray(array.offset,array.offset+size))}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,array.data.subarray(array.offset,array.offset+size))}}}else{var pack_buffer;if(ctype===gl.FLOAT){pack_buffer=pool.mallocFloat32(size)}else{pack_buffer=pool.mallocUint8(size)}var pack_view=ndarray(pack_buffer,shape,[shape[2],shape[2]*shape[0],1]);if(type===gl.FLOAT&&ctype===gl.UNSIGNED_BYTE){convertFloatToUint8(pack_view,array)}else{ops.assign(pack_view,array)}if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,pack_buffer.subarray(0,size))}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,pack_buffer.subarray(0,size))}if(ctype===gl.FLOAT){pool.freeFloat32(pack_buffer)}else{pool.freeUint8(pack_buffer)}}}function initTexture(gl){var tex=gl.createTexture();gl.bindTexture(gl.TEXTURE_2D,tex);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.NEAREST);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,gl.NEAREST);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE);return tex}function createTextureShape(gl,width,height,format,type){var maxTextureSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(width<0||width>maxTextureSize||height<0||height>maxTextureSize){throw new Error("gl-texture2d: Invalid texture shape")}if(type===gl.FLOAT&&!gl.getExtension("OES_texture_float")){throw new Error("gl-texture2d: Floating point textures not supported on this platform")}var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,width,height,0,format,type,null);return new Texture2D(gl,tex,width,height,format,type)}function createTextureDOM(gl,element,format,type){var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,format,type,element);return new Texture2D(gl,tex,element.width|0,element.height|0,format,type)}function createTextureArray(gl,array){var dtype=array.dtype;var shape=array.shape.slice();var maxSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(shape[0]<0||shape[0]>maxSize||shape[1]<0||shape[1]>maxSize){throw new Error("gl-texture2d: Invalid texture size")}var packed=isPacked(shape,array.stride.slice());var type=0;if(dtype==="float32"){type=gl.FLOAT}else if(dtype==="float64"){type=gl.FLOAT;packed=false;dtype="float32"}else if(dtype==="uint8"){type=gl.UNSIGNED_BYTE}else{type=gl.UNSIGNED_BYTE;packed=false;dtype="uint8"}var format=0;if(shape.length===2){format=gl.LUMINANCE;shape=[shape[0],shape[1],1];array=ndarray(array.data,shape,[array.stride[0],array.stride[1],1],array.offset)}else if(shape.length===3){if(shape[2]===1){format=gl.ALPHA}else if(shape[2]===2){format=gl.LUMINANCE_ALPHA;

}else if(shape[2]===3){format=gl.RGB}else if(shape[2]===4){format=gl.RGBA}else{throw new Error("gl-texture2d: Invalid shape for pixel coords")}}else{throw new Error("gl-texture2d: Invalid shape for texture")}if(type===gl.FLOAT&&!gl.getExtension("OES_texture_float")){type=gl.UNSIGNED_BYTE;packed=false}var buffer,buf_store;var size=array.size;if(!packed){var stride=[shape[2],shape[2]*shape[0],1];buf_store=pool.malloc(size,dtype);var buf_array=ndarray(buf_store,shape,stride,0);if((dtype==="float32"||dtype==="float64")&&type===gl.UNSIGNED_BYTE){convertFloatToUint8(buf_array,array)}else{ops.assign(buf_array,array)}buffer=buf_store.subarray(0,size)}else if(array.offset===0&&array.data.length===size){buffer=array.data}else{buffer=array.data.subarray(array.offset,array.offset+size)}var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,shape[0],shape[1],0,format,type,buffer);if(!packed){pool.free(buf_store)}return new Texture2D(gl,tex,shape[0],shape[1],format,type)}function createTexture2D(gl){if(arguments.length<=1){throw new Error("gl-texture2d: Missing arguments for texture2d constructor")}if(!linearTypes){lazyInitLinearTypes(gl)}if(typeof arguments[1]==="number"){return createTextureShape(gl,arguments[1],arguments[2],arguments[3]||gl.RGBA,arguments[4]||gl.UNSIGNED_BYTE)}if(Array.isArray(arguments[1])){return createTextureShape(gl,arguments[1][0]|0,arguments[1][1]|0,arguments[2]||gl.RGBA,arguments[3]||gl.UNSIGNED_BYTE)}if(typeof arguments[1]==="object"){var obj=arguments[1];if(obj instanceof HTMLCanvasElement||obj instanceof HTMLImageElement||obj instanceof HTMLVideoElement||obj instanceof ImageData){return createTextureDOM(gl,obj,arguments[2]||gl.RGBA,arguments[3]||gl.UNSIGNED_BYTE)}else if(obj.shape&&obj.data&&obj.stride){return createTextureArray(gl,obj)}}throw new Error("gl-texture2d: Invalid arguments for texture2d constructor")}},{ndarray:160,"ndarray-ops":107,"typedarray-pool":114}],116:[function(require,module,exports){module.exports=fromQuat;function fromQuat(out,q){var x=q[0],y=q[1],z=q[2],w=q[3],x2=x+x,y2=y+y,z2=z+z,xx=x*x2,yx=y*x2,yy=y*y2,zx=z*x2,zy=z*y2,zz=z*z2,wx=w*x2,wy=w*y2,wz=w*z2;out[0]=1-yy-zz;out[1]=yx+wz;out[2]=zx-wy;out[3]=0;out[4]=yx-wz;out[5]=1-xx-zz;out[6]=zy+wx;out[7]=0;out[8]=zx+wy;out[9]=zy-wx;out[10]=1-xx-yy;out[11]=0;out[12]=0;out[13]=0;out[14]=0;out[15]=1;return out}},{}],117:[function(require,module,exports){module.exports=identity;function identity(out){out[0]=1;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=1;out[6]=0;out[7]=0;out[8]=0;out[9]=0;out[10]=1;out[11]=0;out[12]=0;out[13]=0;out[14]=0;out[15]=1;return out}},{}],118:[function(require,module,exports){module.exports=invert;function invert(out,a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15],b00=a00*a11-a01*a10,b01=a00*a12-a02*a10,b02=a00*a13-a03*a10,b03=a01*a12-a02*a11,b04=a01*a13-a03*a11,b05=a02*a13-a03*a12,b06=a20*a31-a21*a30,b07=a20*a32-a22*a30,b08=a20*a33-a23*a30,b09=a21*a32-a22*a31,b10=a21*a33-a23*a31,b11=a22*a33-a23*a32,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;if(!det){return null}det=1/det;out[0]=(a11*b11-a12*b10+a13*b09)*det;out[1]=(a02*b10-a01*b11-a03*b09)*det;out[2]=(a31*b05-a32*b04+a33*b03)*det;out[3]=(a22*b04-a21*b05-a23*b03)*det;out[4]=(a12*b08-a10*b11-a13*b07)*det;out[5]=(a00*b11-a02*b08+a03*b07)*det;out[6]=(a32*b02-a30*b05-a33*b01)*det;out[7]=(a20*b05-a22*b02+a23*b01)*det;out[8]=(a10*b10-a11*b08+a13*b06)*det;out[9]=(a01*b08-a00*b10-a03*b06)*det;out[10]=(a30*b04-a31*b02+a33*b00)*det;out[11]=(a21*b02-a20*b04-a23*b00)*det;out[12]=(a11*b07-a10*b09-a12*b06)*det;out[13]=(a00*b09-a01*b07+a02*b06)*det;out[14]=(a31*b01-a30*b03-a32*b00)*det;out[15]=(a20*b03-a21*b01+a22*b00)*det;return out}},{}],119:[function(require,module,exports){var identity=require("./identity");module.exports=lookAt;function lookAt(out,eye,center,up){var x0,x1,x2,y0,y1,y2,z0,z1,z2,len,eyex=eye[0],eyey=eye[1],eyez=eye[2],upx=up[0],upy=up[1],upz=up[2],centerx=center[0],centery=center[1],centerz=center[2];if(Math.abs(eyex-centerx)<1e-6&&Math.abs(eyey-centery)<1e-6&&Math.abs(eyez-centerz)<1e-6){return identity(out)}z0=eyex-centerx;z1=eyey-centery;z2=eyez-centerz;len=1/Math.sqrt(z0*z0+z1*z1+z2*z2);z0*=len;z1*=len;z2*=len;x0=upy*z2-upz*z1;x1=upz*z0-upx*z2;x2=upx*z1-upy*z0;len=Math.sqrt(x0*x0+x1*x1+x2*x2);if(!len){x0=0;x1=0;x2=0}else{len=1/len;x0*=len;x1*=len;x2*=len}y0=z1*x2-z2*x1;y1=z2*x0-z0*x2;y2=z0*x1-z1*x0;len=Math.sqrt(y0*y0+y1*y1+y2*y2);if(!len){y0=0;y1=0;y2=0}else{len=1/len;y0*=len;y1*=len;y2*=len}out[0]=x0;out[1]=y0;out[2]=z0;out[3]=0;out[4]=x1;out[5]=y1;out[6]=z1;out[7]=0;out[8]=x2;out[9]=y2;out[10]=z2;out[11]=0;out[12]=-(x0*eyex+x1*eyey+x2*eyez);out[13]=-(y0*eyex+y1*eyey+y2*eyez);out[14]=-(z0*eyex+z1*eyey+z2*eyez);out[15]=1;return out}},{"./identity":117}],120:[function(require,module,exports){module.exports=multiply;function multiply(out,a,b){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15];var b0=b[0],b1=b[1],b2=b[2],b3=b[3];out[0]=b0*a00+b1*a10+b2*a20+b3*a30;out[1]=b0*a01+b1*a11+b2*a21+b3*a31;out[2]=b0*a02+b1*a12+b2*a22+b3*a32;out[3]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[4];b1=b[5];b2=b[6];b3=b[7];out[4]=b0*a00+b1*a10+b2*a20+b3*a30;out[5]=b0*a01+b1*a11+b2*a21+b3*a31;out[6]=b0*a02+b1*a12+b2*a22+b3*a32;out[7]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[8];b1=b[9];b2=b[10];b3=b[11];out[8]=b0*a00+b1*a10+b2*a20+b3*a30;out[9]=b0*a01+b1*a11+b2*a21+b3*a31;out[10]=b0*a02+b1*a12+b2*a22+b3*a32;out[11]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[12];b1=b[13];b2=b[14];b3=b[15];out[12]=b0*a00+b1*a10+b2*a20+b3*a30;out[13]=b0*a01+b1*a11+b2*a21+b3*a31;out[14]=b0*a02+b1*a12+b2*a22+b3*a32;out[15]=b0*a03+b1*a13+b2*a23+b3*a33;return out}},{}],121:[function(require,module,exports){module.exports=perspective;function perspective(out,fovy,aspect,near,far){var f=1/Math.tan(fovy/2),nf=1/(near-far);out[0]=f/aspect;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=f;out[6]=0;out[7]=0;out[8]=0;out[9]=0;out[10]=(far+near)*nf;out[11]=-1;out[12]=0;out[13]=0;out[14]=2*far*near*nf;out[15]=0;return out}},{}],122:[function(require,module,exports){module.exports=transpose;function transpose(out,a){if(out===a){var a01=a[1],a02=a[2],a03=a[3],a12=a[6],a13=a[7],a23=a[11];out[1]=a[4];out[2]=a[8];out[3]=a[12];out[4]=a01;out[6]=a[9];out[7]=a[13];out[8]=a02;out[9]=a12;out[11]=a[14];out[12]=a03;out[13]=a13;out[14]=a23}else{out[0]=a[0];out[1]=a[4];out[2]=a[8];out[3]=a[12];out[4]=a[1];out[5]=a[5];out[6]=a[9];out[7]=a[13];out[8]=a[2];out[9]=a[6];out[10]=a[10];out[11]=a[14];out[12]=a[3];out[13]=a[7];out[14]=a[11];out[15]=a[15]}return out}},{}],123:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],124:[function(require,module,exports){module.exports=require("cwise-compiler")},{"cwise-compiler":125}],125:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{"./lib/thunk.js":127,dup:9}],126:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10,uniq:128}],127:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{"./compile.js":126,dup:11}],128:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],129:[function(require,module,exports){arguments[4][14][0].apply(exports,arguments)},{dup:14}],130:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":123,buffer:1,dup:129}],131:[function(require,module,exports){"use strict";module.exports=createSelectBuffer;var createFBO=require("gl-fbo");var pool=require("typedarray-pool");var ndarray=require("ndarray");var nextPow2=require("bit-twiddle").nextPow2;var selectRange=require("cwise/lib/wrapper")({args:["array",{offset:[0,0,1],array:0},{offset:[0,0,2],array:0},{offset:[0,0,3],array:0},"scalar","scalar","index"],pre:{body:"{this_closestD2=1e8,this_closestX=-1,this_closestY=-1}",args:[],thisVars:["this_closestD2","this_closestX","this_closestY"],localVars:[]},body:{body:"{if(255>_inline_1_arg0_||255>_inline_1_arg1_||255>_inline_1_arg2_||255>_inline_1_arg3_){var _inline_1_l=_inline_1_arg4_-_inline_1_arg6_[0],_inline_1_a=_inline_1_arg5_-_inline_1_arg6_[1],_inline_1_f=_inline_1_l*_inline_1_l+_inline_1_a*_inline_1_a;_inline_1_f<this_closestD2&&(this_closestD2=_inline_1_f,this_closestX=_inline_1_arg6_[0],this_closestY=_inline_1_arg6_[1])}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg2_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg3_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg4_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg5_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg6_",lvalue:false,rvalue:true,count:4}],thisVars:["this_closestD2","this_closestX","this_closestY"],localVars:["_inline_1_a","_inline_1_f","_inline_1_l"]},post:{body:"{return[this_closestX,this_closestY,this_closestD2]}",args:[],thisVars:["this_closestD2","this_closestX","this_closestY"],localVars:[]},debug:false,funcName:"cwise",blockSize:64});function SelectResult(x,y,id,value,distance){this.coord=[x,y];this.id=id;this.value=value;this.distance=distance}function SelectBuffer(gl,fbo,buffer){this.gl=gl;this.fbo=fbo;this.buffer=buffer;this._readTimeout=null;var self=this;this._readCallback=function(){if(!self.gl){return}fbo.bind();gl.readPixels(0,0,fbo.shape[0],fbo.shape[1],gl.RGBA,gl.UNSIGNED_BYTE,self.buffer);self._readTimeout=null}}var proto=SelectBuffer.prototype;Object.defineProperty(proto,"shape",{get:function(){if(!this.gl){return[0,0]}return this.fbo.shape.slice()},set:function(v){if(!this.gl){return}this.fbo.shape=v;var c=this.fbo.shape[0];var r=this.fbo.shape[1];if(r*c*4>this.buffer.length){pool.free(this.buffer);var buffer=this.buffer=pool.mallocUint8(nextPow2(r*c*4));for(var i=0;i<r*c*4;++i){buffer[i]=255}}return v}});proto.begin=function(){var gl=this.gl;var shape=this.shape;if(!gl){return}this.fbo.bind();gl.clearColor(1,1,1,1);gl.clear(gl.COLOR_BUFFER_BIT|gl.DEPTH_BUFFER_BIT)};proto.end=function(){var gl=this.gl;if(!gl){return}gl.bindFramebuffer(gl.FRAMEBUFFER,null);if(!this._readTimeout){clearTimeout(this._readTimeout)}this._readTimeout=setTimeout(this._readCallback,1)};proto.query=function(x,y,radius){if(!this.gl){return null}var shape=this.fbo.shape.slice();x=x|0;y=y|0;if(typeof radius!=="number"){radius=1}var x0=Math.min(Math.max(x-radius,0),shape[0])|0;var x1=Math.min(Math.max(x+radius,0),shape[0])|0;var y0=Math.min(Math.max(y-radius,0),shape[1])|0;var y1=Math.min(Math.max(y+radius,0),shape[1])|0;if(x1<=x0||y1<=y0){return null}var dims=[x1-x0,y1-y0];var region=ndarray(this.buffer,[dims[0],dims[1],4],[4,shape[0]*4,1],4*(x0+shape[0]*y0));var closest=selectRange(region.hi(dims[0],dims[1],1),radius,radius);var dx=closest[0];var dy=closest[1];if(dx<0||Math.pow(this.radius,2)<closest[2]){return null}var c0=region.get(dx,dy,0);var c1=region.get(dx,dy,1);var c2=region.get(dx,dy,2);var c3=region.get(dx,dy,3);return new SelectResult(dx+x0|0,dy+y0|0,c0,[c1,c2,c3],Math.sqrt(closest[2]))};proto.dispose=function(){if(!this.gl){return}this.fbo.dispose();pool.free(this.buffer);this.gl=null;if(this._readTimeout){clearTimeout(this._readTimeout)}};function createSelectBuffer(gl,shape){var fbo=createFBO(gl,shape);var buffer=pool.mallocUint8(shape[0]*shape[1]*4);return new SelectBuffer(gl,fbo,buffer)}},{"bit-twiddle":123,"cwise/lib/wrapper":124,"gl-fbo":106,ndarray:160,"typedarray-pool":130}],132:[function(require,module,exports){"use strict";var createUniformWrapper=require("./lib/create-uniforms");var createAttributeWrapper=require("./lib/create-attributes");var makeReflect=require("./lib/reflect");var shaderCache=require("./lib/shader-cache");var runtime=require("./lib/runtime-reflect");function Shader(gl){this.gl=gl;this._vref=this._fref=this._relink=this.vertShader=this.fragShader=this.program=this.attributes=this.uniforms=this.types=null}var proto=Shader.prototype;proto.bind=function(){if(!this.program){this._relink()}this.gl.useProgram(this.program)};proto.dispose=function(){if(this._fref){this._fref.dispose()}if(this._vref){this._vref.dispose()}this.attributes=this.types=this.vertShader=this.fragShader=this.program=this._relink=this._fref=this._vref=null};function compareAttributes(a,b){if(a.name<b.name){return-1}return 1}proto.update=function(vertSource,fragSource,uniforms,attributes){if(!fragSource||arguments.length===1){var obj=vertSource;vertSource=obj.vertex;fragSource=obj.fragment;uniforms=obj.uniforms;attributes=obj.attributes}var wrapper=this;var gl=wrapper.gl;var pvref=wrapper._vref;wrapper._vref=shaderCache.shader(gl,gl.VERTEX_SHADER,vertSource);if(pvref){pvref.dispose()}wrapper.vertShader=wrapper._vref.shader;var pfref=this._fref;wrapper._fref=shaderCache.shader(gl,gl.FRAGMENT_SHADER,fragSource);if(pfref){pfref.dispose()}wrapper.fragShader=wrapper._fref.shader;if(!uniforms||!attributes){var testProgram=gl.createProgram();gl.attachShader(testProgram,wrapper.fragShader);gl.attachShader(testProgram,wrapper.vertShader);gl.linkProgram(testProgram);if(!gl.getProgramParameter(testProgram,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(testProgram);console.error("gl-shader: Error linking program:",errLog);throw new Error("gl-shader: Error linking program:"+errLog)}uniforms=uniforms||runtime.uniforms(gl,testProgram);attributes=attributes||runtime.attributes(gl,testProgram);gl.deleteProgram(testProgram)}attributes=attributes.slice();attributes.sort(compareAttributes);var attributeUnpacked=[];var attributeNames=[];var attributeLocations=[];for(var i=0;i<attributes.length;++i){var attr=attributes[i];if(attr.type.indexOf("mat")>=0){var size=attr.type.charAt(attr.type.length-1)|0;var locVector=new Array(size);for(var j=0;j<size;++j){locVector[j]=attributeLocations.length;attributeNames.push(attr.name+"["+j+"]");if(typeof attr.location==="number"){attributeLocations.push(attr.location+j)}else if(Array.isArray(attr.location)&&attr.location.length===size&&typeof attr.location[j]==="number"){attributeLocations.push(attr.location[j]|0)}else{attributeLocations.push(-1)}}attributeUnpacked.push({name:attr.name,type:attr.type,locations:locVector})}else{attributeUnpacked.push({name:attr.name,type:attr.type,locations:[attributeLocations.length]});attributeNames.push(attr.name);if(typeof attr.location==="number"){attributeLocations.push(attr.location|0)}else{attributeLocations.push(-1)}}}var curLocation=0;for(var i=0;i<attributeLocations.length;++i){if(attributeLocations[i]<0){while(attributeLocations.indexOf(curLocation)>=0){curLocation+=1}attributeLocations[i]=curLocation}}var uniformLocations=new Array(uniforms.length);function relink(){wrapper.program=shaderCache.program(gl,wrapper._vref,wrapper._fref,attributeNames,attributeLocations);for(var i=0;i<uniforms.length;++i){uniformLocations[i]=gl.getUniformLocation(wrapper.program,uniforms[i].name)}}relink();wrapper._relink=relink;wrapper.types={uniforms:makeReflect(uniforms),attributes:makeReflect(attributes)};wrapper.attributes=createAttributeWrapper(gl,wrapper,attributeUnpacked,attributeLocations);Object.defineProperty(wrapper,"uniforms",createUniformWrapper(gl,wrapper,uniforms,uniformLocations))};function createShader(gl,vertSource,fragSource,uniforms,attributes){var shader=new Shader(gl);shader.update(vertSource,fragSource,uniforms,attributes);return shader}module.exports=createShader},{"./lib/create-attributes":133,"./lib/create-uniforms":134,"./lib/reflect":135,"./lib/runtime-reflect":136,"./lib/shader-cache":137}],133:[function(require,module,exports){"use strict";module.exports=createAttributeWrapper;function ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc){this._gl=gl;this._wrapper=wrapper;this._index=index;this._locations=locations;this._dimension=dimension;this._constFunc=constFunc}var proto=ShaderAttribute.prototype;proto.pointer=function setAttribPointer(type,normalized,stride,offset){var self=this;var gl=self._gl;var location=self._locations[self._index];gl.vertexAttribPointer(location,self._dimension,type||gl.FLOAT,!!normalized,stride||0,offset||0);gl.enableVertexAttribArray(location)};proto.set=function(x0,x1,x2,x3){return this._constFunc(this._locations[this._index],x0,x1,x2,x3)};Object.defineProperty(proto,"location",{get:function(){return this._locations[this._index]},set:function(v){if(v!==this._locations[this._index]){this._locations[this._index]=v|0;this._wrapper.program=null}return v|0}});function addVectorAttribute(gl,wrapper,index,locations,dimension,obj,name){var constFuncArgs=["gl","v"];var varNames=[];for(var i=0;i<dimension;++i){constFuncArgs.push("x"+i);varNames.push("x"+i)}constFuncArgs.push("if(x0.length===void 0){return gl.vertexAttrib"+dimension+"f(v,"+varNames.join()+")}else{return gl.vertexAttrib"+dimension+"fv(v,x0)}");var constFunc=Function.apply(null,constFuncArgs);var attr=new ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc);Object.defineProperty(obj,name,{set:function(x){gl.disableVertexAttribArray(locations[index]);constFunc(gl,locations[index],x);return x},get:function(){return attr},enumerable:true})}function addMatrixAttribute(gl,wrapper,index,locations,dimension,obj,name){var parts=new Array(dimension);var attrs=new Array(dimension);for(var i=0;i<dimension;++i){addVectorAttribute(gl,wrapper,index[i],locations,dimension,parts,i);attrs[i]=parts[i]}Object.defineProperty(parts,"location",{set:function(v){if(Array.isArray){for(var i=0;i<dimension;++i){attrs[i].location=v[i]}}else{for(var i=0;i<dimension;++i){result[i]=attrs[i].location=v+i}}return v},get:function(){var result=new Array(dimension);for(var i=0;i<dimension;++i){result[i]=locations[index[i]]}return result},enumerable:true});parts.pointer=function(type,normalized,stride,offset){type=type||gl.FLOAT;normalized=!!normalized;stride=stride||dimension*dimension;offset=offset||0;for(var i=0;i<dimension;++i){var location=locations[index[i]];gl.vertexAttribPointer(location,dimension,type,normalized,stride,offset+i*dimension);gl.enableVertexAttribArray(location)}};var scratch=new Array(dimension);var vertexAttrib=gl["vertexAttrib"+dimension+"fv"];Object.defineProperty(obj,name,{set:function(x){for(var i=0;i<dimension;++i){var loc=locations[index[i]];gl.disableVertexAttribArray(loc);if(Array.isArray(x[0])){vertexAttrib.call(gl,loc,x[i])}else{for(var j=0;j<dimension;++j){scratch[j]=x[dimension*i+j]}vertexAttrib.call(gl,loc,scratch)}}return x},get:function(){return parts},enumerable:true})}function createAttributeWrapper(gl,wrapper,attributes,locations){var obj={};for(var i=0,n=attributes.length;i<n;++i){var a=attributes[i];var name=a.name;var type=a.type;var locs=a.locations;switch(type){case"bool":case"int":case"float":addVectorAttribute(gl,wrapper,locs[0],locations,1,obj,name);break;default:if(type.indexOf("vec")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type for attribute "+name+": "+type)}addVectorAttribute(gl,wrapper,locs[0],locations,d,obj,name)}else if(type.indexOf("mat")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type for attribute "+name+": "+type)}addMatrixAttribute(gl,wrapper,locs,locations,d,obj,name)}else{throw new Error("gl-shader: Unknown data type for attribute "+name+": "+type)}break}}return obj}},{}],134:[function(require,module,exports){"use strict";var coallesceUniforms=require("./reflect");module.exports=createUniformWrapper;function identity(x){var c=new Function("y","return function(){return y}");return c(x)}function makeVector(length,fill){var result=new Array(length);for(var i=0;i<length;++i){result[i]=fill}return result}function createUniformWrapper(gl,wrapper,uniforms,locations){function makeGetter(index){var proc=new Function("gl","wrapper","locations","return function(){return gl.getUniform(wrapper.program,locations["+index+"])}");return proc(gl,wrapper,locations)}function makePropSetter(path,index,type){switch(type){case"bool":case"int":case"sampler2D":case"samplerCube":return"gl.uniform1i(locations["+index+"],obj"+path+")";case"float":return"gl.uniform1f(locations["+index+"],obj"+path+")";default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type")}switch(type.charAt(0)){case"b":case"i":return"gl.uniform"+d+"iv(locations["+index+"],obj"+path+")";case"v":return"gl.uniform"+d+"fv(locations["+index+"],obj"+path+")";default:throw new Error("gl-shader: Unrecognized data type for vector "+name+": "+type)}}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return"gl.uniformMatrix"+d+"fv(locations["+index+"],false,obj"+path+")"}else{throw new Error("gl-shader: Unknown uniform data type for "+name+": "+type)}break}}function enumerateIndices(prefix,type){if(typeof type!=="object"){return[[prefix,type]]}var indices=[];for(var id in type){var prop=type[id];var tprefix=prefix;if(parseInt(id)+""===id){tprefix+="["+id+"]"}else{tprefix+="."+id}if(typeof prop==="object"){indices.push.apply(indices,enumerateIndices(tprefix,prop))}else{indices.push([tprefix,prop])}}return indices}function makeSetter(type){var code=["return function updateProperty(obj){"];var indices=enumerateIndices("",type);for(var i=0;i<indices.length;++i){var item=indices[i];var path=item[0];var idx=item[1];if(locations[idx]){code.push(makePropSetter(path,idx,uniforms[idx].type))}}code.push("return obj}");var proc=new Function("gl","locations",code.join("\n"));return proc(gl,locations)}function defaultValue(type){switch(type){case"bool":return false;case"int":case"sampler2D":case"samplerCube":return 0;case"float":return 0;default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type")}if(type.charAt(0)==="b"){return makeVector(d,false)}return makeVector(d,0)}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return makeVector(d*d,0)}else{throw new Error("gl-shader: Unknown uniform data type for "+name+": "+type)}break}}function storeProperty(obj,prop,type){if(typeof type==="object"){var child=processObject(type);Object.defineProperty(obj,prop,{get:identity(child),set:makeSetter(type),enumerable:true,configurable:false})}else{if(locations[type]){Object.defineProperty(obj,prop,{get:makeGetter(type),set:makeSetter(type),enumerable:true,configurable:false})}else{obj[prop]=defaultValue(uniforms[type].type)}}}function processObject(obj){var result;if(Array.isArray(obj)){result=new Array(obj.length);for(var i=0;i<obj.length;++i){storeProperty(result,i,obj[i])}}else{result={};for(var id in obj){storeProperty(result,id,obj[id])}}return result}var coallesced=coallesceUniforms(uniforms,true);return{get:identity(processObject(coallesced)),set:makeSetter(coallesced),enumerable:true,configurable:true}}},{"./reflect":135}],135:[function(require,module,exports){"use strict";module.exports=makeReflectTypes;function makeReflectTypes(uniforms,useIndex){var obj={};for(var i=0;i<uniforms.length;++i){var n=uniforms[i].name;var parts=n.split(".");var o=obj;for(var j=0;j<parts.length;++j){var x=parts[j].split("[");if(x.length>1){if(!(x[0]in o)){o[x[0]]=[]}o=o[x[0]];for(var k=1;k<x.length;++k){var y=parseInt(x[k]);if(k<x.length-1||j<parts.length-1){if(!(y in o)){if(k<x.length-1){o[y]=[]}else{o[y]={}}}o=o[y]}else{if(useIndex){o[y]=i}else{o[y]=uniforms[i].type}}}}else if(j<parts.length-1){if(!(x[0]in o)){o[x[0]]={}}o=o[x[0]]}else{if(useIndex){o[x[0]]=i}else{o[x[0]]=uniforms[i].type}}}}return obj}},{}],136:[function(require,module,exports){"use strict";exports.uniforms=runtimeUniforms;exports.attributes=runtimeAttributes;var GL_TO_GLSL_TYPES={FLOAT:"float",FLOAT_VEC2:"vec2",FLOAT_VEC3:"vec3",FLOAT_VEC4:"vec4",INT:"int",INT_VEC2:"ivec2",INT_VEC3:"ivec3",INT_VEC4:"ivec4",BOOL:"bool",BOOL_VEC2:"bvec2",BOOL_VEC3:"bvec3",BOOL_VEC4:"bvec4",FLOAT_MAT2:"mat2",FLOAT_MAT3:"mat3",FLOAT_MAT4:"mat4",SAMPLER_2D:"sampler2D",SAMPLER_CUBE:"samplerCube"};var GL_TABLE=null;function getType(gl,type){if(!GL_TABLE){var typeNames=Object.keys(GL_TO_GLSL_TYPES);GL_TABLE={};for(var i=0;i<typeNames.length;++i){var tn=typeNames[i];GL_TABLE[gl[tn]]=GL_TO_GLSL_TYPES[tn]}}return GL_TABLE[type]}function runtimeUniforms(gl,program){var numUniforms=gl.getProgramParameter(program,gl.ACTIVE_UNIFORMS);var result=[];for(var i=0;i<numUniforms;++i){var info=gl.getActiveUniform(program,i);if(info){var type=getType(gl,info.type);if(info.size>1){for(var j=0;j<info.size;++j){result.push({name:info.name.replace("[0]","["+j+"]"),type:type})}}else{result.push({name:info.name,type:type})}}}return result}function runtimeAttributes(gl,program){var numAttributes=gl.getProgramParameter(program,gl.ACTIVE_ATTRIBUTES);var result=[];for(var i=0;i<numAttributes;++i){var info=gl.getActiveAttrib(program,i);if(info){result.push({name:info.name,type:getType(gl,info.type)})}}return result}},{}],137:[function(require,module,exports){"use strict";exports.shader=getShaderReference;exports.program=createProgram;var weakMap=typeof WeakMap==="undefined"?require("weakmap-shim"):WeakMap;var CACHE=new weakMap;var SHADER_COUNTER=0;function ShaderReference(id,src,type,shader,programs,count,cache){this.id=id;this.src=src;this.type=type;this.shader=shader;this.count=count;this.programs=[];this.cache=cache}ShaderReference.prototype.dispose=function(){if(--this.count===0){var cache=this.cache;var gl=cache.gl;var programs=this.programs;for(var i=0,n=programs.length;i<n;++i){var p=cache.programs[programs[i]];if(p){delete cache.programs[i];gl.deleteProgram(p)}}gl.deleteShader(this.shader);delete cache.shaders[this.type===gl.FRAGMENT_SHADER|0][this.src]}};function ContextCache(gl){this.gl=gl;this.shaders=[{},{}];this.programs={}}var proto=ContextCache.prototype;function compileShader(gl,type,src){var shader=gl.createShader(type);gl.shaderSource(shader,src);gl.compileShader(shader);if(!gl.getShaderParameter(shader,gl.COMPILE_STATUS)){var errLog=gl.getShaderInfoLog(shader);console.error("gl-shader: Error compiling shader:",errLog);throw new Error("gl-shader: Error compiling shader:"+errLog)}return shader}proto.getShaderReference=function(type,src){var gl=this.gl;var shaders=this.shaders[type===gl.FRAGMENT_SHADER|0];var shader=shaders[src];if(!shader||!gl.isShader(shader.shader)){var shaderObj=compileShader(gl,type,src);shader=shaders[src]=new ShaderReference(SHADER_COUNTER++,src,type,shaderObj,[],1,this)}else{shader.count+=1}return shader};function linkProgram(gl,vshader,fshader,attribs,locations){var program=gl.createProgram();gl.attachShader(program,vshader);gl.attachShader(program,fshader);for(var i=0;i<attribs.length;++i){gl.bindAttribLocation(program,locations[i],attribs[i])}gl.linkProgram(program);if(!gl.getProgramParameter(program,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(program);console.error("gl-shader: Error linking program:",errLog);throw new Error("gl-shader: Error linking program:"+errLog)}return program}proto.getProgram=function(vref,fref,attribs,locations){var token=[vref.id,fref.id,attribs.join(":"),locations.join(":")].join("@");var prog=this.programs[token];if(!prog||!this.gl.isProgram(prog)){this.programs[token]=prog=linkProgram(this.gl,vref.shader,fref.shader,attribs,locations);vref.programs.push(token);fref.programs.push(token)}return prog};function getCache(gl){var ctxCache=CACHE.get(gl);if(!ctxCache){ctxCache=new ContextCache(gl);CACHE.set(gl,ctxCache)}return ctxCache}function getShaderReference(gl,type,src){return getCache(gl).getShaderReference(type,src)}function createProgram(gl,vref,fref,attribs,locations){return getCache(gl).getProgram(vref,fref,attribs,locations);

}},{"weakmap-shim":140}],138:[function(require,module,exports){var hiddenStore=require("./hidden-store.js");module.exports=createStore;function createStore(){var key={};return function(obj){if((typeof obj!=="object"||obj===null)&&typeof obj!=="function"){throw new Error("Weakmap-shim: Key must be object")}var store=obj.valueOf(key);return store&&store.identity===key?store:hiddenStore(obj,key)}}},{"./hidden-store.js":139}],139:[function(require,module,exports){module.exports=hiddenStore;function hiddenStore(obj,key){var store={identity:key};var valueOf=obj.valueOf;Object.defineProperty(obj,"valueOf",{value:function(value){return value!==key?valueOf.apply(this,arguments):store},writable:true});return store}},{}],140:[function(require,module,exports){var createStore=require("./create-store.js");module.exports=weakMap;function weakMap(){var privates=createStore();return{get:function(key,fallback){var store=privates(key);return store.hasOwnProperty("value")?store.value:fallback},set:function(key,value){privates(key).value=value},has:function(key){return"value"in privates(key)},"delete":function(key){return delete privates(key).value}}}},{"./create-store.js":138}],141:[function(require,module,exports){arguments[4][7][0].apply(exports,arguments)},{dup:7,ndarray:160,"ndarray-ops":142,"typedarray-pool":149}],142:[function(require,module,exports){arguments[4][8][0].apply(exports,arguments)},{"cwise-compiler":143,dup:8}],143:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{"./lib/thunk.js":145,dup:9}],144:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10,uniq:146}],145:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{"./compile.js":144,dup:11}],146:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],147:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],148:[function(require,module,exports){arguments[4][14][0].apply(exports,arguments)},{dup:14}],149:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":147,buffer:1,dup:148}],150:[function(require,module,exports){arguments[4][16][0].apply(exports,arguments)},{dup:16}],151:[function(require,module,exports){arguments[4][17][0].apply(exports,arguments)},{"./do-bind.js":150,dup:17}],152:[function(require,module,exports){arguments[4][18][0].apply(exports,arguments)},{"./do-bind.js":150,dup:18}],153:[function(require,module,exports){arguments[4][19][0].apply(exports,arguments)},{"./lib/vao-emulated.js":151,"./lib/vao-native.js":152,dup:19}],154:[function(require,module,exports){"use strict";var createShader=require("gl-shader");var vertSrc="#define GLSLIFY 1\nprecision mediump float;\n\nattribute vec3 position, color;\nattribute float weight;\n\nuniform mat4 model, view, projection;\nuniform vec3 coordinates[3];\nuniform vec4 colors[3];\nuniform vec2 screenShape;\nuniform float lineWidth;\n\nvarying vec4 fragColor;\n\nvoid main() {\n  vec3 vertexPosition = mix(coordinates[0],\n    mix(coordinates[2], coordinates[1], 0.5 * (position + 1.0)), abs(position));\n\n  vec4 clipPos = projection * view * model * vec4(vertexPosition, 1.0);\n  vec2 clipOffset = (projection * view * model * vec4(color, 0.0)).xy;\n  vec2 delta = weight * clipOffset * screenShape;\n  vec2 lineOffset = normalize(vec2(delta.y, -delta.x)) / screenShape;\n\n  gl_Position   = vec4(clipPos.xy + clipPos.w * 0.5 * lineWidth * lineOffset, clipPos.z, clipPos.w);\n  fragColor     = color.x * colors[0] + color.y * colors[1] + color.z * colors[2];\n}\n";var fragSrc="#define GLSLIFY 1\nprecision mediump float;\n\nvarying vec4 fragColor;\n\nvoid main() {\n  gl_FragColor = fragColor;\n}";module.exports=function(gl){return createShader(gl,vertSrc,fragSrc)}},{"gl-shader":132}],155:[function(require,module,exports){"use strict";var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var createShader=require("./shaders/index");module.exports=createSpikes;var identity=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];function AxisSpikes(gl,buffer,vao,shader){this.gl=gl;this.buffer=buffer;this.vao=vao;this.shader=shader;this.pixelRatio=1;this.bounds=[[-1e3,-1e3,-1e3],[1e3,1e3,1e3]];this.position=[0,0,0];this.lineWidth=[2,2,2];this.colors=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.enabled=[true,true,true];this.drawSides=[true,true,true];this.axes=null}var proto=AxisSpikes.prototype;var OUTER_FACE=[0,0,0];var INNER_FACE=[0,0,0];var SHAPE=[0,0];proto.isTransparent=function(){return false};proto.drawTransparent=function(camera){};proto.draw=function(camera){var gl=this.gl;var vao=this.vao;var shader=this.shader;vao.bind();shader.bind();var model=camera.model||identity;var view=camera.view||identity;var projection=camera.projection||identity;var axis;if(this.axes){axis=this.axes.lastCubeProps.axis}var outerFace=OUTER_FACE;var innerFace=INNER_FACE;for(var i=0;i<3;++i){if(axis&&axis[i]<0){outerFace[i]=this.bounds[0][i];innerFace[i]=this.bounds[1][i]}else{outerFace[i]=this.bounds[1][i];innerFace[i]=this.bounds[0][i]}}SHAPE[0]=gl.drawingBufferWidth;SHAPE[1]=gl.drawingBufferHeight;shader.uniforms.model=model;shader.uniforms.view=view;shader.uniforms.projection=projection;shader.uniforms.coordinates=[this.position,outerFace,innerFace];shader.uniforms.colors=this.colors;shader.uniforms.screenShape=SHAPE;for(var i=0;i<3;++i){shader.uniforms.lineWidth=this.lineWidth[i]*this.pixelRatio;if(this.enabled[i]){vao.draw(gl.TRIANGLES,6,6*i);if(this.drawSides[i]){vao.draw(gl.TRIANGLES,12,18+12*i)}}}vao.unbind()};proto.update=function(options){if(!options){return}if("bounds"in options){this.bounds=options.bounds}if("position"in options){this.position=options.position}if("lineWidth"in options){this.lineWidth=options.lineWidth}if("colors"in options){this.colors=options.colors}if("enabled"in options){this.enabled=options.enabled}if("drawSides"in options){this.drawSides=options.drawSides}};proto.dispose=function(){this.vao.dispose();this.buffer.dispose();this.shader.dispose()};function createSpikes(gl,options){var data=[];function line(x,y,z,i,l,h){var row=[x,y,z,0,0,0,1];row[i+3]=1;row[i]=l;data.push.apply(data,row);row[6]=-1;data.push.apply(data,row);row[i]=h;data.push.apply(data,row);data.push.apply(data,row);row[6]=1;data.push.apply(data,row);row[i]=l;data.push.apply(data,row)}line(0,0,0,0,0,1);line(0,0,0,1,0,1);line(0,0,0,2,0,1);line(1,0,0,1,-1,1);line(1,0,0,2,-1,1);line(0,1,0,0,-1,1);line(0,1,0,2,-1,1);line(0,0,1,0,-1,1);line(0,0,1,1,-1,1);var buffer=createBuffer(gl,data);var vao=createVAO(gl,[{type:gl.FLOAT,buffer:buffer,size:3,offset:0,stride:28},{type:gl.FLOAT,buffer:buffer,size:3,offset:12,stride:28},{type:gl.FLOAT,buffer:buffer,size:1,offset:24,stride:28}]);var shader=createShader(gl);shader.attributes.position.location=0;shader.attributes.color.location=1;shader.attributes.weight.location=2;var spikes=new AxisSpikes(gl,buffer,vao,shader);spikes.update(options);return spikes}},{"./shaders/index":154,"gl-buffer":141,"gl-vao":153}],156:[function(require,module,exports){module.exports=noop;function noop(){throw new Error("You should bundle your code "+"using `glslify` as a transform.")}},{}],157:[function(require,module,exports){module.exports=programify;function programify(vertex,fragment,uniforms,attributes){return{vertex:vertex,fragment:fragment,uniforms:uniforms,attributes:attributes}}},{}],158:[function(require,module,exports){"use strict";module.exports=mouseListen;var mouse=require("mouse-event");function mouseListen(element,callback){if(!callback){callback=element;element=window}var buttonState=0;var x=0;var y=0;var mods={shift:false,alt:false,control:false,meta:false};var attached=false;function updateMods(ev){var changed=false;if("altKey"in ev){changed=changed||ev.altKey!==mods.alt;mods.alt=!!ev.altKey}if("shiftKey"in ev){changed=changed||ev.shiftKey!==mods.shift;mods.shift=!!ev.shiftKey}if("ctrlKey"in ev){changed=changed||ev.ctrlKey!==mods.control;mods.control=!!ev.ctrlKey}if("metaKey"in ev){changed=changed||ev.metaKey!==mods.meta;mods.meta=!!ev.metaKey}return changed}function handleEvent(nextButtons,ev){var nextX=mouse.x(ev);var nextY=mouse.y(ev);if("buttons"in ev){nextButtons=ev.buttons|0}if(nextButtons!==buttonState||nextX!==x||nextY!==y||updateMods(ev)){buttonState=nextButtons|0;x=nextX||0;y=nextY||0;callback(buttonState,x,y,mods)}}function clearState(ev){handleEvent(0,ev)}function handleBlur(){if(buttonState||x||y||mods.shift||mods.alt||mods.meta||mods.control){x=y=0;buttonState=0;mods.shift=mods.alt=mods.control=mods.meta=false;callback(0,0,0,mods)}}function handleMods(ev){if(updateMods(ev)){callback(buttonState,x,y,mods)}}function handleMouseMove(ev){if(mouse.buttons(ev)===0){handleEvent(0,ev)}else{handleEvent(buttonState,ev)}}function handleMouseDown(ev){handleEvent(buttonState|mouse.buttons(ev),ev)}function handleMouseUp(ev){handleEvent(buttonState&~mouse.buttons(ev),ev)}function attachListeners(){if(attached){return}attached=true;element.addEventListener("mousemove",handleMouseMove);element.addEventListener("mousedown",handleMouseDown);element.addEventListener("mouseup",handleMouseUp);element.addEventListener("mouseleave",clearState);element.addEventListener("mouseenter",clearState);element.addEventListener("mouseout",clearState);element.addEventListener("mouseover",clearState);element.addEventListener("blur",handleBlur);element.addEventListener("keyup",handleMods);element.addEventListener("keydown",handleMods);element.addEventListener("keypress",handleMods);if(element!==window){window.addEventListener("blur",handleBlur);window.addEventListener("keyup",handleMods);window.addEventListener("keydown",handleMods);window.addEventListener("keypress",handleMods)}}function detachListeners(){if(!attached){return}attached=false;element.removeEventListener("mousemove",handleMouseMove);element.removeEventListener("mousedown",handleMouseDown);element.removeEventListener("mouseup",handleMouseUp);element.removeEventListener("mouseleave",clearState);element.removeEventListener("mouseenter",clearState);element.removeEventListener("mouseout",clearState);element.removeEventListener("mouseover",clearState);element.removeEventListener("blur",handleBlur);element.removeEventListener("keyup",handleMods);element.removeEventListener("keydown",handleMods);element.removeEventListener("keypress",handleMods);if(element!==window){window.removeEventListener("blur",handleBlur);window.removeEventListener("keyup",handleMods);window.removeEventListener("keydown",handleMods);window.removeEventListener("keypress",handleMods)}}attachListeners();var result={element:element};Object.defineProperties(result,{enabled:{get:function(){return attached},set:function(f){if(f){attachListeners()}else{detachListeners}},enumerable:true},buttons:{get:function(){return buttonState},enumerable:true},x:{get:function(){return x},enumerable:true},y:{get:function(){return y},enumerable:true},mods:{get:function(){return mods},enumerable:true}});return result}},{"mouse-event":159}],159:[function(require,module,exports){"use strict";function mouseButtons(ev){if(typeof ev==="object"){if("buttons"in ev){return ev.buttons}else if("which"in ev){var b=ev.which;if(b===2){return 4}else if(b===3){return 2}else if(b>0){return 1<<b-1}}else if("button"in ev){var b=ev.button;if(b===1){return 4}else if(b===2){return 2}else if(b>=0){return 1<<b}}}return 0}exports.buttons=mouseButtons;function mouseElement(ev){return ev.target||ev.srcElement||window}exports.element=mouseElement;function mouseRelativeX(ev){if(typeof ev==="object"){if("offsetX"in ev){return ev.offsetX}var target=mouseElement(ev);var bounds=target.getBoundingClientRect();return ev.clientX-bounds.left}return 0}exports.x=mouseRelativeX;function mouseRelativeY(ev){if(typeof ev==="object"){if("offsetY"in ev){return ev.offsetY}var target=mouseElement(ev);var bounds=target.getBoundingClientRect();return ev.clientY-bounds.top}return 0}exports.y=mouseRelativeY},{}],160:[function(require,module,exports){var iota=require("iota-array");var isBuffer=require("is-buffer");var hasTypedArrays=typeof Float64Array!=="undefined";function compare1st(a,b){return a[0]-b[0]}function order(){var stride=this.stride;var terms=new Array(stride.length);var i;for(i=0;i<terms.length;++i){terms[i]=[Math.abs(stride[i]),i]}terms.sort(compare1st);var result=new Array(terms.length);for(i=0;i<result.length;++i){result[i]=terms[i][1]}return result}function compileConstructor(dtype,dimension){var className=["View",dimension,"d",dtype].join("");if(dimension<0){className="View_Nil"+dtype}var useGetters=dtype==="generic";if(dimension===-1){var code="function "+className+"(a){this.data=a;};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return -1};proto.size=0;proto.dimension=-1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function(){return new "+className+"(this.data);};proto.get=proto.set=function(){};proto.pick=function(){return null};return function construct_"+className+"(a){return new "+className+"(a);}";var procedure=new Function(code);return procedure()}else if(dimension===0){var code="function "+className+"(a,d) {this.data = a;this.offset = d};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return this.offset};proto.dimension=0;proto.size=1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function "+className+"_copy() {return new "+className+"(this.data,this.offset)};proto.pick=function "+className+"_pick(){return TrivialArray(this.data);};proto.valueOf=proto.get=function "+className+"_get(){return "+(useGetters?"this.data.get(this.offset)":"this.data[this.offset]")+"};proto.set=function "+className+"_set(v){return "+(useGetters?"this.data.set(this.offset,v)":"this.data[this.offset]=v")+"};return function construct_"+className+"(a,b,c,d){return new "+className+"(a,d)}";var procedure=new Function("TrivialArray",code);return procedure(CACHED_CONSTRUCTORS[dtype][0])}var code=["'use strict'"];var indices=iota(dimension);var args=indices.map(function(i){return"i"+i});var index_str="this.offset+"+indices.map(function(i){return"this.stride["+i+"]*i"+i}).join("+");var shapeArg=indices.map(function(i){return"b"+i}).join(",");var strideArg=indices.map(function(i){return"c"+i}).join(",");code.push("function "+className+"(a,"+shapeArg+","+strideArg+",d){this.data=a","this.shape=["+shapeArg+"]","this.stride=["+strideArg+"]","this.offset=d|0}","var proto="+className+".prototype","proto.dtype='"+dtype+"'","proto.dimension="+dimension);code.push("Object.defineProperty(proto,'size',{get:function "+className+"_size(){return "+indices.map(function(i){return"this.shape["+i+"]"}).join("*"),"}})");if(dimension===1){code.push("proto.order=[0]")}else{code.push("Object.defineProperty(proto,'order',{get:");if(dimension<4){code.push("function "+className+"_order(){");if(dimension===2){code.push("return (Math.abs(this.stride[0])>Math.abs(this.stride[1]))?[1,0]:[0,1]}})")}else if(dimension===3){code.push("var s0=Math.abs(this.stride[0]),s1=Math.abs(this.stride[1]),s2=Math.abs(this.stride[2]);if(s0>s1){if(s1>s2){return [2,1,0];}else if(s0>s2){return [1,2,0];}else{return [1,0,2];}}else if(s0>s2){return [2,0,1];}else if(s2>s1){return [0,1,2];}else{return [0,2,1];}}})")}}else{code.push("ORDER})")}}code.push("proto.set=function "+className+"_set("+args.join(",")+",v){");if(useGetters){code.push("return this.data.set("+index_str+",v)}")}else{code.push("return this.data["+index_str+"]=v}")}code.push("proto.get=function "+className+"_get("+args.join(",")+"){");if(useGetters){code.push("return this.data.get("+index_str+")}")}else{code.push("return this.data["+index_str+"]}")}code.push("proto.index=function "+className+"_index(",args.join(),"){return "+index_str+"}");code.push("proto.hi=function "+className+"_hi("+args.join(",")+"){return new "+className+"(this.data,"+indices.map(function(i){return["(typeof i",i,"!=='number'||i",i,"<0)?this.shape[",i,"]:i",i,"|0"].join("")}).join(",")+","+indices.map(function(i){return"this.stride["+i+"]"}).join(",")+",this.offset)}");var a_vars=indices.map(function(i){return"a"+i+"=this.shape["+i+"]"});var c_vars=indices.map(function(i){return"c"+i+"=this.stride["+i+"]"});code.push("proto.lo=function "+className+"_lo("+args.join(",")+"){var b=this.offset,d=0,"+a_vars.join(",")+","+c_vars.join(","));for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){d=i"+i+"|0;b+=c"+i+"*d;a"+i+"-=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",b)}");code.push("proto.step=function "+className+"_step("+args.join(",")+"){var "+indices.map(function(i){return"a"+i+"=this.shape["+i+"]"}).join(",")+","+indices.map(function(i){return"b"+i+"=this.stride["+i+"]"}).join(",")+",c=this.offset,d=0,ceil=Math.ceil");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'){d=i"+i+"|0;if(d<0){c+=b"+i+"*(a"+i+"-1);a"+i+"=ceil(-a"+i+"/d)}else{a"+i+"=ceil(a"+i+"/d)}b"+i+"*=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"b"+i}).join(",")+",c)}");var tShape=new Array(dimension);var tStride=new Array(dimension);for(var i=0;i<dimension;++i){tShape[i]="a[i"+i+"]";tStride[i]="b[i"+i+"]"}code.push("proto.transpose=function "+className+"_transpose("+args+"){"+args.map(function(n,idx){return n+"=("+n+"===undefined?"+idx+":"+n+"|0)"}).join(";"),"var a=this.shape,b=this.stride;return new "+className+"(this.data,"+tShape.join(",")+","+tStride.join(",")+",this.offset)}");code.push("proto.pick=function "+className+"_pick("+args+"){var a=[],b=[],c=this.offset");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){c=(c+this.stride["+i+"]*i"+i+")|0}else{a.push(this.shape["+i+"]);b.push(this.stride["+i+"])}")}code.push("var ctor=CTOR_LIST[a.length+1];return ctor(this.data,a,b,c)}");code.push("return function construct_"+className+"(data,shape,stride,offset){return new "+className+"(data,"+indices.map(function(i){return"shape["+i+"]"}).join(",")+","+indices.map(function(i){return"stride["+i+"]"}).join(",")+",offset)}");var procedure=new Function("CTOR_LIST","ORDER",code.join("\n"));return procedure(CACHED_CONSTRUCTORS[dtype],order)}function arrayDType(data){if(isBuffer(data)){return"buffer"}if(hasTypedArrays){switch(Object.prototype.toString.call(data)){case"[object Float64Array]":return"float64";case"[object Float32Array]":return"float32";case"[object Int8Array]":return"int8";case"[object Int16Array]":return"int16";case"[object Int32Array]":return"int32";case"[object Uint8Array]":return"uint8";case"[object Uint16Array]":return"uint16";case"[object Uint32Array]":return"uint32";case"[object Uint8ClampedArray]":return"uint8_clamped"}}if(Array.isArray(data)){return"array"}return"generic"}var CACHED_CONSTRUCTORS={float32:[],float64:[],int8:[],int16:[],int32:[],uint8:[],uint16:[],uint32:[],array:[],uint8_clamped:[],buffer:[],generic:[]};(function(){for(var id in CACHED_CONSTRUCTORS){CACHED_CONSTRUCTORS[id].push(compileConstructor(id,-1))}});function wrappedNDArrayCtor(data,shape,stride,offset){if(data===undefined){var ctor=CACHED_CONSTRUCTORS.array[0];return ctor([])}else if(typeof data==="number"){data=[data]}if(shape===undefined){shape=[data.length]}var d=shape.length;if(stride===undefined){stride=new Array(d);for(var i=d-1,sz=1;i>=0;--i){stride[i]=sz;sz*=shape[i]}}if(offset===undefined){offset=0;for(var i=0;i<d;++i){if(stride[i]<0){offset-=(shape[i]-1)*stride[i]}}}var dtype=arrayDType(data);var ctor_list=CACHED_CONSTRUCTORS[dtype];while(ctor_list.length<=d+1){ctor_list.push(compileConstructor(dtype,ctor_list.length-1))}var ctor=ctor_list[d+1];return ctor(data,shape,stride,offset)}module.exports=wrappedNDArrayCtor},{"iota-array":161,"is-buffer":162}],161:[function(require,module,exports){"use strict";function iota(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=i}return result}module.exports=iota},{}],162:[function(require,module,exports){module.exports=function(obj){return!!(obj!=null&&obj.constructor&&typeof obj.constructor.isBuffer==="function"&&obj.constructor.isBuffer(obj))}},{}],163:[function(require,module,exports){module.exports=function parseUnit(str,out){if(!out)out=[0,""];str=String(str);var num=parseFloat(str,10);out[0]=num;out[1]=str.match(/[\d.\-\+]*\s*(.*)/)[1]||"";return out}},{}],164:[function(require,module,exports){"use strict";var parseUnit=require("parse-unit");module.exports=toPX;var PIXELS_PER_INCH=96;function getPropertyInPX(element,prop){var parts=parseUnit(getComputedStyle(element).getPropertyValue(prop));return parts[0]*toPX(parts[1],element)}function getSizeBrutal(unit,element){var testDIV=document.createElement("div");testDIV.style["font-size"]="128"+unit;element.appendChild(testDIV);var size=getPropertyInPX(testDIV,"font-size")/128;element.removeChild(testDIV);return size}function toPX(str,element){element=element||document.body;str=(str||"px").trim().toLowerCase();if(element===window||element===document){element=document.body}switch(str){case"%":return element.clientHeight/100;case"ch":case"ex":return getSizeBrutal(str,element);case"em":return getPropertyInPX(element,"font-size");case"rem":return getPropertyInPX(document.body,"font-size");case"vw":return window.innerWidth/100;case"vh":return window.innerHeight/100;case"vmin":return Math.min(window.innerWidth,window.innerHeight)/100;case"vmax":return Math.max(window.innerWidth,window.innerHeight)/100;case"in":return PIXELS_PER_INCH;case"cm":return PIXELS_PER_INCH/2.54;case"mm":return PIXELS_PER_INCH/25.4;case"pt":return PIXELS_PER_INCH/72;case"pc":return PIXELS_PER_INCH/6}return 1}},{"parse-unit":163}],165:[function(require,module,exports){"use strict";var toPX=require("to-px");module.exports=mouseWheelListen;function mouseWheelListen(element,callback,noScroll){if(typeof element==="function"){noScroll=!!callback;callback=element;element=window}var lineHeight=toPX("ex",element);element.addEventListener("wheel",function(ev){if(noScroll){ev.preventDefault()}var dx=ev.deltaX||0;var dy=ev.deltaY||0;var dz=ev.deltaZ||0;var mode=ev.deltaMode;var scale=1;switch(mode){case 1:scale=lineHeight;break;case 2:scale=window.innerHeight;break}dx*=scale;dy*=scale;dz*=scale;if(dx||dy||dz){return callback(dx,dy,dz)}})}},{"to-px":164}],166:[function(require,module,exports){"use strict";module.exports=quatFromFrame;function quatFromFrame(out,rx,ry,rz,ux,uy,uz,fx,fy,fz){var tr=rx+uy+fz;if(l>0){var l=Math.sqrt(tr+1);out[0]=.5*(uz-fy)/l;out[1]=.5*(fx-rz)/l;out[2]=.5*(ry-uy)/l;out[3]=.5*l}else{var tf=Math.max(rx,uy,fz);var l=Math.sqrt(2*tf-tr+1);if(rx>=tf){out[0]=.5*l;out[1]=.5*(ux+ry)/l;out[2]=.5*(fx+rz)/l;out[3]=.5*(uz-fy)/l}else if(uy>=tf){out[0]=.5*(ry+ux)/l;out[1]=.5*l;out[2]=.5*(fy+uz)/l;out[3]=.5*(fx-rz)/l}else{out[0]=.5*(rz+fx)/l;out[1]=.5*(uz+fy)/l;out[2]=.5*l;out[3]=.5*(ry-ux)/l}}return out}},{}],167:[function(require,module,exports){"use strict";module.exports=createFilteredVector;var cubicHermite=require("cubic-hermite");var bsearch=require("binary-search-bounds");function clamp(lo,hi,x){return Math.min(hi,Math.max(lo,x))}function FilteredVector(state0,velocity0,t0){this.dimension=state0.length;this.bounds=[new Array(this.dimension),new Array(this.dimension)];for(var i=0;i<this.dimension;++i){this.bounds[0][i]=-Infinity;this.bounds[1][i]=Infinity}this._state=state0.slice().reverse();this._velocity=velocity0.slice().reverse();this._time=[t0];this._scratch=[state0.slice(),state0.slice(),state0.slice(),state0.slice(),state0.slice()]}var proto=FilteredVector.prototype;proto.flush=function(t){var idx=bsearch.gt(this._time,t)-1;if(idx<=0){return}this._time.splice(0,idx);this._state.splice(0,idx*this.dimension);this._velocity.splice(0,idx*this.dimension)};proto.curve=function(t){var time=this._time;var n=time.length;var idx=bsearch.le(time,t);var result=this._scratch[0];var state=this._state;var velocity=this._velocity;var d=this.dimension;var bounds=this.bounds;if(idx<0){var ptr=d-1;for(var i=0;i<d;++i,--ptr){result[i]=state[ptr]}}else if(idx>=n-1){var ptr=state.length-1;var tf=t-time[n-1];for(var i=0;i<d;++i,--ptr){result[i]=state[ptr]+tf*velocity[ptr]}}else{var ptr=d*(idx+1)-1;var t0=time[idx];var t1=time[idx+1];var dt=t1-t0||1;var x0=this._scratch[1];var x1=this._scratch[2];var v0=this._scratch[3];var v1=this._scratch[4];var steady=true;for(var i=0;i<d;++i,--ptr){x0[i]=state[ptr];v0[i]=velocity[ptr]*dt;x1[i]=state[ptr+d];v1[i]=velocity[ptr+d]*dt;steady=steady&&(x0[i]===x1[i]&&v0[i]===v1[i]&&v0[i]===0)}if(steady){for(var i=0;i<d;++i){result[i]=x0[i]}}else{cubicHermite(x0,v0,x1,v1,(t-t0)/dt,result)}}var lo=bounds[0];var hi=bounds[1];for(var i=0;i<d;++i){result[i]=clamp(lo[i],hi[i],result[i])}return result};proto.dcurve=function(t){var time=this._time;var n=time.length;var idx=bsearch.le(time,t);var result=this._scratch[0];var state=this._state;var velocity=this._velocity;var d=this.dimension;if(idx>=n-1){var ptr=state.length-1;var tf=t-time[n-1];for(var i=0;i<d;++i,--ptr){result[i]=velocity[ptr]}}else{var ptr=d*(idx+1)-1;var t0=time[idx];var t1=time[idx+1];var dt=t1-t0||1;var x0=this._scratch[1];var x1=this._scratch[2];var v0=this._scratch[3];var v1=this._scratch[4];var steady=true;for(var i=0;i<d;++i,--ptr){x0[i]=state[ptr];v0[i]=velocity[ptr]*dt;x1[i]=state[ptr+d];v1[i]=velocity[ptr+d]*dt;steady=steady&&(x0[i]===x1[i]&&v0[i]===v1[i]&&v0[i]===0)}if(steady){for(var i=0;i<d;++i){result[i]=0}}else{cubicHermite.derivative(x0,v0,x1,v1,(t-t0)/dt,result);for(var i=0;i<d;++i){result[i]/=dt}}}return result};proto.lastT=function(){var time=this._time;return time[time.length-1]};proto.stable=function(){var velocity=this._velocity;var ptr=velocity.length;for(var i=this.dimension-1;i>=0;--i){if(velocity[--ptr]){return false}}return true};proto.jump=function(t){var t0=this.lastT();var d=this.dimension;if(t<t0||arguments.length!==d+1){return}var state=this._state;var velocity=this._velocity;var ptr=state.length-this.dimension;var bounds=this.bounds;var lo=bounds[0];var hi=bounds[1];this._time.push(t0,t);for(var j=0;j<2;++j){for(var i=0;i<d;++i){state.push(state[ptr++]);velocity.push(0)}}this._time.push(t);for(var i=d;i>0;--i){state.push(clamp(lo[i-1],hi[i-1],arguments[i]));velocity.push(0)}};proto.push=function(t){var t0=this.lastT();var d=this.dimension;if(t<t0||arguments.length!==d+1){return}var state=this._state;var velocity=this._velocity;var ptr=state.length-this.dimension;var dt=t-t0;var bounds=this.bounds;var lo=bounds[0];var hi=bounds[1];var sf=dt>1e-6?1/dt:0;this._time.push(t);for(var i=d;i>0;--i){var xc=clamp(lo[i-1],hi[i-1],arguments[i]);state.push(xc);velocity.push((xc-state[ptr++])*sf)}};proto.set=function(t){var d=this.dimension;if(t<this.lastT()||arguments.length!==d+1){return}var state=this._state;var velocity=this._velocity;var bounds=this.bounds;var lo=bounds[0];var hi=bounds[1];this._time.push(t);for(var i=d;i>0;--i){state.push(clamp(lo[i-1],hi[i-1],arguments[i]));velocity.push(0)}};proto.move=function(t){var t0=this.lastT();var d=this.dimension;if(t<=t0||arguments.length!==d+1){return}var state=this._state;var velocity=this._velocity;var statePtr=state.length-this.dimension;var bounds=this.bounds;var lo=bounds[0];var hi=bounds[1];var dt=t-t0;var sf=dt>1e-6?1/dt:0;this._time.push(t);for(var i=d;i>0;--i){var dx=arguments[i];state.push(clamp(lo[i-1],hi[i-1],state[statePtr++]+dx));velocity.push(dx*sf)}};proto.idle=function(t){var t0=this.lastT();if(t<t0){return}var d=this.dimension;var state=this._state;var velocity=this._velocity;var statePtr=state.length-d;var bounds=this.bounds;var lo=bounds[0];var hi=bounds[1];var dt=t-t0;this._time.push(t);for(var i=d-1;i>=0;--i){state.push(clamp(lo[i],hi[i],state[statePtr]+dt*velocity[statePtr]));velocity.push(0);statePtr+=1}};function getZero(d){var result=new Array(d);for(var i=0;i<d;++i){result[i]=0}return result}function createFilteredVector(initState,initVelocity,initTime){
switch(arguments.length){case 0:return new FilteredVector([0],[0],0);case 1:if(typeof initState==="number"){var zero=getZero(initState);return new FilteredVector(zero,zero,0)}else{return new FilteredVector(initState,getZero(initState.length),0)}case 2:if(typeof initVelocity==="number"){var zero=getZero(initState.length);return new FilteredVector(initState,zero,+initVelocity)}else{initTime=0}case 3:if(initState.length!==initVelocity.length){throw new Error("state and velocity lengths must match")}return new FilteredVector(initState,initVelocity,initTime)}}},{"binary-search-bounds":168,"cubic-hermite":169}],168:[function(require,module,exports){arguments[4][64][0].apply(exports,arguments)},{dup:64}],169:[function(require,module,exports){"use strict";function dcubicHermite(p0,v0,p1,v1,t,f){var dh00=6*t*t-6*t,dh10=3*t*t-4*t+1,dh01=-6*t*t+6*t,dh11=3*t*t-2*t;if(p0.length){if(!f){f=new Array(p0.length)}for(var i=p0.length-1;i>=0;--i){f[i]=dh00*p0[i]+dh10*v0[i]+dh01*p1[i]+dh11*v1[i]}return f}return dh00*p0+dh10*v0+dh01*p1[i]+dh11*v1}function cubicHermite(p0,v0,p1,v1,t,f){var ti=t-1,t2=t*t,ti2=ti*ti,h00=(1+2*t)*ti2,h10=t*ti2,h01=t2*(3-2*t),h11=t2*ti;if(p0.length){if(!f){f=new Array(p0.length)}for(var i=p0.length-1;i>=0;--i){f[i]=h00*p0[i]+h10*v0[i]+h01*p1[i]+h11*v1[i]}return f}return h00*p0+h10*v0+h01*p1+h11*v1}module.exports=cubicHermite;module.exports.derivative=dcubicHermite},{}],170:[function(require,module,exports){"use strict";module.exports=createOrbitController;var filterVector=require("filtered-vector");var lookAt=require("gl-mat4/lookAt");var mat4FromQuat=require("gl-mat4/fromQuat");var invert44=require("gl-mat4/invert");var quatFromFrame=require("./lib/quatFromFrame");function len3(x,y,z){return Math.sqrt(Math.pow(x,2)+Math.pow(y,2)+Math.pow(z,2))}function len4(w,x,y,z){return Math.sqrt(Math.pow(w,2)+Math.pow(x,2)+Math.pow(y,2)+Math.pow(z,2))}function normalize4(out,a){var ax=a[0];var ay=a[1];var az=a[2];var aw=a[3];var al=len4(ax,ay,az,aw);if(al>1e-6){out[0]=ax/al;out[1]=ay/al;out[2]=az/al;out[3]=aw/al}else{out[0]=out[1]=out[2]=0;out[3]=1}}function OrbitCameraController(initQuat,initCenter,initRadius){this.radius=filterVector([initRadius]);this.center=filterVector(initCenter);this.rotation=filterVector(initQuat);this.computedRadius=this.radius.curve(0);this.computedCenter=this.center.curve(0);this.computedRotation=this.rotation.curve(0);this.computedUp=[.1,0,0];this.computedEye=[.1,0,0];this.computedMatrix=[.1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];this.recalcMatrix(0)}var proto=OrbitCameraController.prototype;proto.lastT=function(){return Math.max(this.radius.lastT(),this.center.lastT(),this.rotation.lastT())};proto.recalcMatrix=function(t){this.radius.curve(t);this.center.curve(t);this.rotation.curve(t);var quat=this.computedRotation;normalize4(quat,quat);var mat=this.computedMatrix;mat4FromQuat(mat,quat);var center=this.computedCenter;var eye=this.computedEye;var up=this.computedUp;var radius=Math.exp(this.computedRadius[0]);eye[0]=center[0]+radius*mat[2];eye[1]=center[1]+radius*mat[6];eye[2]=center[2]+radius*mat[10];up[0]=mat[1];up[1]=mat[5];up[2]=mat[9];for(var i=0;i<3;++i){var rr=0;for(var j=0;j<3;++j){rr+=mat[i+4*j]*eye[j]}mat[12+i]=-rr}};proto.getMatrix=function(t,result){this.recalcMatrix(t);var m=this.computedMatrix;if(result){for(var i=0;i<16;++i){result[i]=m[i]}return result}return m};proto.idle=function(t){this.center.idle(t);this.radius.idle(t);this.rotation.idle(t)};proto.flush=function(t){this.center.flush(t);this.radius.flush(t);this.rotation.flush(t)};proto.pan=function(t,dx,dy,dz){dx=dx||0;dy=dy||0;dz=dz||0;this.recalcMatrix(t);var mat=this.computedMatrix;var ux=mat[1];var uy=mat[5];var uz=mat[9];var ul=len3(ux,uy,uz);ux/=ul;uy/=ul;uz/=ul;var rx=mat[0];var ry=mat[4];var rz=mat[8];var ru=rx*ux+ry*uy+rz*uz;rx-=ux*ru;ry-=uy*ru;rz-=uz*ru;var rl=len3(rx,ry,rz);rx/=rl;ry/=rl;rz/=rl;var fx=mat[2];var fy=mat[6];var fz=mat[10];var fu=fx*ux+fy*uy+fz*uz;var fr=fx*rx+fy*ry+fz*rz;fx-=fu*ux+fr*rx;fy-=fu*uy+fr*ry;fz-=fu*uz+fr*rz;var fl=len3(fx,fy,fz);fx/=fl;fy/=fl;fz/=fl;var vx=rx*dx+ux*dy;var vy=ry*dx+uy*dy;var vz=rz*dx+uz*dy;this.center.move(t,vx,vy,vz);var radius=Math.exp(this.computedRadius[0]);radius=Math.max(1e-4,radius+dz);this.radius.set(t,Math.log(radius))};proto.rotate=function(t,dx,dy,dz){this.recalcMatrix(t);dx=dx||0;dy=dy||0;var mat=this.computedMatrix;var rx=mat[0];var ry=mat[4];var rz=mat[8];var ux=mat[1];var uy=mat[5];var uz=mat[9];var fx=mat[2];var fy=mat[6];var fz=mat[10];var qx=dx*rx+dy*ux;var qy=dx*ry+dy*uy;var qz=dx*rz+dy*uz;var bx=-(fy*qz-fz*qy);var by=-(fz*qx-fx*qz);var bz=-(fx*qy-fy*qx);var bw=Math.sqrt(Math.max(0,1-Math.pow(bx,2)-Math.pow(by,2)-Math.pow(bz,2)));var bl=len4(bx,by,bz,bw);if(bl>1e-6){bx/=bl;by/=bl;bz/=bl;bw/=bl}else{bx=by=bz=0;bw=1}var rotation=this.computedRotation;var ax=rotation[0];var ay=rotation[1];var az=rotation[2];var aw=rotation[3];var cx=ax*bw+aw*bx+ay*bz-az*by;var cy=ay*bw+aw*by+az*bx-ax*bz;var cz=az*bw+aw*bz+ax*by-ay*bx;var cw=aw*bw-ax*bx-ay*by-az*bz;if(dz){bx=fx;by=fy;bz=fz;var s=Math.sin(dz)/len3(bx,by,bz);bx*=s;by*=s;bz*=s;bw=Math.cos(dx);cx=cx*bw+cw*bx+cy*bz-cz*by;cy=cy*bw+cw*by+cz*bx-cx*bz;cz=cz*bw+cw*bz+cx*by-cy*bx;cw=cw*bw-cx*bx-cy*by-cz*bz}var cl=len4(cx,cy,cz,cw);if(cl>1e-6){cx/=cl;cy/=cl;cz/=cl;cw/=cl}else{cx=cy=cz=0;cw=1}this.rotation.set(t,cx,cy,cz,cw)};proto.lookAt=function(t,eye,center,up){this.recalcMatrix(t);center=center||this.computedCenter;eye=eye||this.computedEye;up=up||this.computedUp;var mat=this.computedMatrix;lookAt(mat,eye,center,up);var rotation=this.computedRotation;quatFromFrame(rotation,mat[0],mat[1],mat[2],mat[4],mat[5],mat[6],mat[8],mat[9],mat[10]);normalize4(rotation,rotation);this.rotation.set(t,rotation[0],rotation[1],rotation[2],rotation[3]);var fl=0;for(var i=0;i<3;++i){fl+=Math.pow(center[i]-eye[i],2)}this.radius.set(t,.5*Math.log(Math.max(fl,1e-6)));this.center.set(t,center[0],center[1],center[2])};proto.translate=function(t,dx,dy,dz){this.center.move(t,dx||0,dy||0,dz||0)};proto.setMatrix=function(t,matrix){this.recalcMatrix(t);var rotation=this.computedRotation;quatFromFrame(rotation,matrix[0],matrix[1],matrix[2],matrix[4],matrix[5],matrix[6],matrix[8],matrix[9],matrix[10]);normalize4(rotation,rotation);this.rotation.set(t,rotation[0],rotation[1],rotation[2],rotation[3]);var mat=this.computedMatrix;invert44(mat,matrix);var w=-mat[15];if(Math.abs(w)>1e-6){var cx=mat[12]/w;var cy=mat[13]/w;var cz=mat[14]/w;var fx=mat[8];var fy=mat[9];var fz=mat[10];var fl=len3(fx,fy,fz);var r=Math.exp(this.computedRadius[0]);cx-=fx*r/fl;cy-=fy*r/fl;cz-=fz*r/fl;this.center.set(t,cx,cy,cz);this.radius.idle(t)}else{this.center.idle(t);this.radius.idle(t)}};proto.setDistance=function(t,d){if(d>0){this.radius.set(t,Math.log(d))}};proto.setDistanceLimits=function(lo,hi){if(lo>0){lo=Math.log(lo)}else{lo=-Infinity}if(hi>0){hi=Math.log(hi)}hi=Math.max(hi,lo);this.radius.bounds[0][0]=lo;this.radius.bounds[1][0]=hi};proto.getDistanceLimits=function(out){var bounds=this.radius.bounds;if(out){out[0]=Math.exp(bounds[0][0]);out[1]=Math.exp(bounds[1][0]);return out}return[Math.exp(bounds[0][0]),Math.exp(bounds[1][0])]};proto.toJSON=function(){this.recalcMatrix(this.lastT());return{center:this.computedCenter.slice(),rotation:this.computedRotation.slice(),distance:Math.log(this.computedRadius[0]),zoomMin:this.radius.bounds[0][0],zoomMax:this.radius.bounds[1][0]}};proto.fromJSON=function(options){var t=this.lastT();var c=options.centers;if(c){this.center.set(t,c[0],c[1],c[2])}var r=options.rotation;if(r){this.rotation.set(t,r[0],r[1],r[2],r[3])}var d=options.distance;if(d&&d>0){this.radius.set(t,Math.log(d))}this.setDistanceLimits(options.zoomMin,options.zoomMax)};function createOrbitController(options){options=options||{};var center=options.center||[0,0,0];var rotation=options.rotation||[0,0,0,1];var radius=options.radius||1;center=[].slice.call(center,0,3);rotation=[].slice.call(rotation,0,4);normalize4(rotation,rotation);var result=new OrbitCameraController(rotation,center,Math.log(radius));result.setDistanceLimits(options.zoomMin,options.zoomMax);if("eye"in options||"up"in options){result.lookAt(0,options.eye,options.center,options.up)}return result}},{"./lib/quatFromFrame":166,"filtered-vector":167,"gl-mat4/fromQuat":116,"gl-mat4/invert":118,"gl-mat4/lookAt":119}],171:[function(require,module,exports){(function(global){module.exports=global.performance&&global.performance.now?function now(){return performance.now()}:Date.now||function now(){return+new Date}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],172:[function(require,module,exports){"use strict";module.exports=createOrbiter;var createController=require("orbit-camera-controller");var mouseChange=require("mouse-change");var mouseWheel=require("mouse-wheel");var now=require("right-now");function copyVec(a,b){a[0]=b[0];a[1]=b[1];a[2]=b[2]}function Orbiter(element,controller){this.element=element;this.controller=controller;this.matrix=new Array(16);this.rotation=new Array(4);this.up=new Array(3);this.eye=new Array(3);this.center=new Array(3);this.distance=0;this.delay=40;this.inputEnabled=true;this.flipX=false;this.flipY=false;this.translateSpeed=1;this.zoomSpeed=1;this.rotateSpeed=1;this.changed=true}var proto=Orbiter.prototype;proto.toJSON=function(){var t=this.lastT();controller.recalcMatrix(t);return{camera:this.controller.toJSON(),delay:this.delay,flipX:this.flipX,flipY:this.flipY,translateSpeed:this.translateSpeed,zoomSpeed:this.zoomSpeed,rotateSpeed:this.rotateSpeed}};proto.fromJSON=function(options){if("camera"in options){this.controller.fromJSON(options.camera)}var self=this;function handleOption(prop){if(prop in options){self[prop]=options[prop]}}handleOption("delay");handleOption("inputEnabled");handleOption("flipX");handleOption("flipY");handleOption("translateSpeed");handleOption("zoomSpeed");handleOption("rotateSpeed");this.changed=true};proto.tick=function(){var t=now();var delay=this.delay;var controller=this.controller;controller.idle(t-.5*delay);controller.flush(t-1e3*(1+Math.min(delay,0)));controller.recalcMatrix(t-delay);var prevMat=this.matrix;var nextMat=controller.computedMatrix;var changed=this.changed;for(var i=0;i<16;++i){changed=changed||Math.abs(nextMat[i]-prevMat[i])>1e-5;prevMat[i]=nextMat[i]}var prevRot=this.rotation;var nextRot=controller.computedRotation;for(var i=0;i<4;++i){prevRot[i]=nextRot[i]}copyVec(this.eye,controller.computedEye);copyVec(this.up,controller.computedUp);copyVec(this.center,controller.computedCenter);this.distance=Math.exp(controller.computedRadius[0]);this.changed=false;return changed};proto.lookAt=function(eye,center,up){this.controller.lookAt(this.lastT(),eye,center,up)};var scratchEye=[0,0,0];var scratchCenter=[0,0,0];var scratchUp=[0,1,0];proto.box=function(lo,hi){var diam=0;for(var i=0;i<3;++i){eye[i]=center[i]=.5*(lo[i]+hi[i]);diam=Math.max(diam,hi[i]-lo[i])}eye[1]=hi[1]+2*diam;this.controller.lookAt(now(),eye,center,up)};proto.setMatrix=function(mat){this.controller.setMatrix(this.lastT(),mat)};proto.setDistance=function(d){this.controller.setDistance(this.lastT(),d)};proto.setDistanceLimits=function(lo,hi){this.controller.setDistanceLimits(lo,hi)};proto.rotate=function(pitch,yaw,roll){this.controller.rotate(now(),pitch,yaw,roll)};proto.pan=function(dx,dy,dz){this.controller.pan(now(),dx,dy,dz)};proto.translate=function(dx,dy,dz){this.controller.translate(now(),dx,dy,dz)};proto.lastT=function(){return this.controller.lastT()};function createOrbiter(element,options){var controller=createController(options);var orbiter=new Orbiter(element,controller);orbiter.fromJSON(options);orbiter.tick();orbiter.changed=true;var lastX=0,lastY=0;mouseChange(element,function(buttons,x,y,mods){if(!orbiter.inputEnabled){return}var height=element.clientHeight;var width=element.clientWidth;var scale=1/height;var dx=scale*(x-lastX);var dy=scale*(y-lastY);var t=now();var flipX=orbiter.flipX?1:-1;var flipY=orbiter.flipY?1:-1;var vrot=Math.PI*orbiter.rotateSpeed;var vpan=+orbiter.translateSpeed;var vzoom=+orbiter.zoomSpeed;var distance=orbiter.distance;if(buttons&1){if(mods.shift){controller.rotate(t,0,0,-dx*drot)}else{controller.rotate(t,flipX*vrot*dx,-flipY*vrot*dy,0)}}else if(buttons&2){controller.pan(t,-vpan*dx*distance*height/width,vpan*dy*distance,0)}else if(buttons&4){controller.pan(t,0,0,vzoom*dy*distance)}lastX=x;lastY=y});mouseWheel(element,function(dx,dy,dz){if(!orbiter.inputEnabled){return}var t=now();var flipX=orbiter.flipX?1:-1;var vrot=Math.PI*orbiter.rotateSpeed;var vzoom=+orbiter.zoomSpeed;var distance=orbiter.distance;if(Math.abs(dx)>Math.abs(dy)){controller.rotate(t,0,0,-dx*flipX*vrot/window.innerWidth)}else{controller.pan(t,0,0,vzoom*dy/window.innerHeight*distance)}},true);element.addEventListener("contextmenu",function(ev){if(orbiter.inputEnabled){ev.preventDefault();return false}});return orbiter}},{"mouse-change":158,"mouse-wheel":165,"orbit-camera-controller":170,"right-now":171}],"gl-plot3d":[function(require,module,exports){"use strict";module.exports=createScene;var createCamera=require("orbiter");var createAxes=require("gl-axes3d");var axesRanges=require("gl-axes3d/properties");var createSpikes=require("gl-spikes3d");var createSelect=require("gl-select-static");var createFBO=require("gl-fbo");var drawTriangle=require("a-big-triangle");var mouseChange=require("mouse-change");var perspective=require("gl-mat4/perspective");var createShader=require("./lib/shader");function MouseSelect(){this.mouse=[-1,-1];this.screen=null;this.distance=Infinity;this.index=null;this.dataCoordinate=null;this.dataPosition=null;this.object=null;this.data=null}function roundUpPow10(x){var y=Math.round(Math.log(Math.abs(x))/Math.log(10));if(y<0){var base=Math.round(Math.pow(10,-y));return Math.ceil(x*base)/base}else if(y>0){var base=Math.round(Math.pow(10,y));return Math.ceil(x/base)*base}return Math.ceil(x)}function defaultBool(x){if(typeof x==="boolean"){return x}return true}function createScene(options){options=options||{};var stopped=false;var pixelRatio=options.pixelRatio||parseFloat(window.devicePixelRatio);var canvas=options.canvas;if(!canvas){canvas=document.createElement("canvas");if(options.container){canvas.width=container.clientWidth*pixelRatio;canvas.height=container.clientHeight*pixelRatio;options.container.appendChild(canvas)}else{canvas.width=window.innerWidth*pixelRatio;canvas.height=window.innerHeight*pixelRatio;document.body.appendChild(canvas)}}var gl=options.gl;if(!gl){var glOptions=options.glOptions||{premultipliedAlpha:true};gl=canvas.getContext("webgl",glOptions)}if(!gl){throw new Error("webgl not supported")}var bounds=options.bounds||[[-10,-10,-10],[10,10,10]];var selection=new MouseSelect;var accumBuffer=createFBO(gl,[gl.drawingBufferWidth,gl.drawingBufferHeight],{preferFloat:true});var accumShader=createShader(gl);var cameraOptions=options.camera||{eye:[0,0,2],center:[0,0,0],up:[0,1,0],zoomMin:.1,zoomMax:100};var camera=createCamera(canvas,cameraOptions);var axesOptions=options.axes||{};var axes=createAxes(gl,axesOptions);axes.enable=!axesOptions.disable;var spikeOptions=options.spikes||{};var spikes=createSpikes(gl,spikeOptions);var objects=[];var pickBufferIds=[];var pickBufferCount=[];var pickBuffers=[];var dirty=true;var pickDirty=true;var projection=new Array(16);var model=new Array(16);var cameraParams={view:camera.matrix,projection:projection,model:model};var pickDirty=true;var scene={gl:gl,pixelRatio:options.pixelRatio||parseFloat(window.devicePixelRatio),canvas:canvas,selection:selection,camera:camera,axes:axes,axesPixels:null,spikes:spikes,bounds:bounds,objects:objects,pickRadius:options.pickRadius||10,zNear:options.zNear||.01,zFar:options.zFar||1e3,fovy:options.fovy||Math.PI/4,clearColor:options.clearColor||[0,0,0,0],autoResize:defaultBool(options.autoResize),autoBounds:defaultBool(options.autoBounds),autoScale:defaultBool(options.autoScale),autoCenter:defaultBool(options.autoCenter),clipToBounds:defaultBool(options.clipToBounds),snapToData:!!options.snapToData,onselect:options.onselect||null,onrender:options.onrender||null,onclick:options.onclick||null,shape:viewShape,cameraParams:cameraParams};var viewShape=[gl.drawingBufferWidth,gl.drawingBufferHeight];var pickShape=[gl.drawingBufferWidth/scene.pixelRatio|0,gl.drawingBufferHeight/scene.pixelRatio|0];function resizeListener(){if(!scene.autoResize){return}var style=canvas.style;style.position=style.position||"absolute";style.left="0px";style.top="0px";var parent=canvas.parentNode;var width=1;var height=1;if(parent&&parent!==document.body){width=parent.clientWidth;height=parent.clientHeight}else{width=window.innerWidth;height=window.innerHeight}canvas.width=Math.ceil(width*scene.pixelRatio)|0;canvas.height=Math.ceil(height*scene.pixelRatio)|0;style.width=width+"px";style.height=height+"px"}if(scene.autoResize){resizeListener()}window.addEventListener("resize",resizeListener);function reallocPickIds(){var numObjs=objects.length;var numPick=pickBuffers.length;for(var i=0;i<numPick;++i){pickBufferCount[i]=0}obj_loop:for(var i=0;i<numObjs;++i){var obj=objects[i];var pickCount=obj.pickSlots;if(!pickCount){pickBufferIds[i]=-1;continue}for(var j=0;j<numPick;++j){if(pickBufferCount[j]+pickCount<255){pickBufferIds[i]=j;obj.setPickBase(pickBufferCount[j]+1);pickBufferCount[j]+=pickCount;continue obj_loop}}var nbuffer=createSelect(gl,viewShape);pickBufferIds[i]=numPick;pickBuffers.push(nbuffer);pickBufferCount.push(pickCount);obj.setPickBase(1);numPick+=1}while(numPick>0&&pickBufferCount[numPick-1]===0){pickBufferCount.pop();pickBuffers.pop().dispose()}}scene.update=function(options){options=options||{}};scene.add=function(obj){obj.axes=axes;objects.push(obj);pickBufferIds.push(-1);dirty=true;pickDirty=true;reallocPickIds()};scene.remove=function(obj){var idx=objects.indexOf(obj);if(idx<0){return}objects.splice(idx,1);pickBufferIds.pop();dirty=true;pickDirty=true;reallocPickIds()};scene.dispose=function(){stopped=true;window.removeEventListener("resize",resizeListener);axes.dispose();spikes.dispose();for(var i=0;i<objects.length;++i){objects[i].dispose()}};var mouseRotating=false;var prevButtons=0;mouseChange(canvas,function(buttons,x,y){var numPick=pickBuffers.length;var numObjs=objects.length;var prevObj=selection.object;selection.distance=Infinity;selection.mouse[0]=x;selection.mouse[1]=y;selection.object=null;selection.screen=null;selection.dataCoordinate=selection.dataPosition=null;var change=false;if(buttons){mouseRotating=true}else{if(mouseRotating){pickDirty=true}mouseRotating=false;for(var i=0;i<numPick;++i){var result=pickBuffers[i].query(x,pickShape[1]-y-1,scene.pickRadius);if(result){if(result.distance>selection.distance){continue}for(var j=0;j<numObjs;++j){var obj=objects[j];if(pickBufferIds[j]!==i){continue}var objPick=obj.pick(result);if(objPick){selection.screen=result.coord;selection.distance=result.distance;selection.object=obj;selection.index=objPick.distance;selection.dataPosition=objPick.position;selection.dataCoordinate=objPick.dataCoordinate;selection.data=objPick;change=true}}}}}if(prevObj&&prevObj!==selection.object){if(prevObj.highlight){prevObj.highlight(null)}dirty=true}if(selection.object){if(selection.object.highlight){selection.object.highlight(selection.data)}dirty=true}change=change||selection.object!==prevObj;if(change&&scene.onselect){scene.onselect(selection)}if(buttons&1&&!(prevButtons&1)&&scene.onclick){scene.onclick(selection)}prevButtons=buttons});function renderPick(){gl.colorMask(true,true,true,true);gl.depthMask(true);gl.disable(gl.BLEND);gl.enable(gl.DEPTH_TEST);var numObjs=objects.length;var numPick=pickBuffers.length;for(var j=0;j<numPick;++j){var buf=pickBuffers[j];buf.shape=pickShape;buf.begin();for(var i=0;i<numObjs;++i){if(pickBufferIds[i]!==j){continue}var obj=objects[i];if(obj.drawPick){obj.pixelRatio=1;obj.drawPick(cameraParams)}}buf.end()}}var nBounds=[[Infinity,Infinity,Infinity],[-Infinity,-Infinity,-Infinity]];function render(){if(stopped){return}requestAnimationFrame(render);var cameraMoved=camera.tick();dirty=dirty||cameraMoved;pickDirty=pickDirty||cameraMoved;axes.pixelRatio=scene.pixelRatio;spikes.pixelRatio=scene.pixelRatio;var numObjs=objects.length;var lo=nBounds[0];var hi=nBounds[1];lo[0]=lo[1]=lo[2]=Infinity;hi[0]=hi[1]=hi[2]=-Infinity;for(var i=0;i<numObjs;++i){var obj=objects[i];obj.pixelRatio=scene.pixelRatio;obj.axes=scene.axes;dirty=dirty||!!obj.dirty;pickDirty=pickDirty||!!obj.dirty;var obb=obj.bounds;if(obb){var olo=obb[0];var ohi=obb[1];for(var j=0;j<3;++j){lo[j]=Math.min(lo[j],olo[j]);hi[j]=Math.max(hi[j],ohi[j])}}}var bounds=scene.bounds;if(scene.autoBounds){var boundsChanged=false;for(var j=0;j<3;++j){if(lo[j]===Infinity||hi[j]===-Infinity){lo[j]=-1;hi[j]=1}else{var padding=.05*(hi[j]-lo[j]);lo[j]=lo[j]-padding;hi[j]=hi[j]+padding}boundsChanged=boundsChanged||lo[j]!==bounds[0][j]||hi[j]!==bounds[1][j]}if(boundsChanged){var tickSpacing=[0,0,0];for(var i=0;i<3;++i){bounds[0][i]=lo[i];bounds[1][i]=hi[i];tickSpacing[i]=roundUpPow10((hi[i]-lo[i])/10)}if(axes.autoTicks){axes.update({bounds:bounds,tickSpacing:tickSpacing})}else{axes.update({bounds:bounds})}}}pickDirty=pickDirty||boundsChanged;dirty=dirty||boundsChanged;var width=gl.drawingBufferWidth;var height=gl.drawingBufferHeight;viewShape[0]=width;viewShape[1]=height;pickShape[0]=Math.max(width/scene.pixelRatio,1)|0;pickShape[1]=Math.max(height/scene.pixelRatio,1)|0;perspective(projection,scene.fovy,width/height,scene.zNear,scene.zFar);for(var i=0;i<16;++i){model[i]=0}model[15]=1;var diameter=0;for(var i=0;i<3;++i){diameter=Math.max(bounds[1][i]-bounds[0][i])}for(var i=0;i<3;++i){if(scene.autoScale){model[5*i]=.5/diameter}else{model[5*i]=1}if(scene.autoCenter){model[12+i]=-model[5*i]*.5*(bounds[0][i]+bounds[1][i])}}for(var i=0;i<numObjs;++i){var obj=objects[i];obj.axesBounds=bounds;if(scene.clipToBounds){obj.clipBounds=bounds}}if(selection.object){if(scene.snapToData){spikes.position=selection.dataCoordinate}else{spikes.position=selection.dataPosition}spikes.bounds=bounds}if(pickDirty){pickDirty=false;renderPick()}if(!dirty){return}scene.axesPixels=axesRanges(scene.axes,cameraParams,width,height);if(scene.onrender){scene.onrender()}gl.bindFramebuffer(gl.FRAMEBUFFER,null);gl.viewport(0,0,width,height);var clearColor=scene.clearColor;gl.clearColor(clearColor[0],clearColor[1],clearColor[2],clearColor[3]);gl.clear(gl.COLOR_BUFFER_BIT|gl.DEPTH_BUFFER_BIT);gl.depthMask(true);gl.colorMask(true,true,true,true);gl.enable(gl.DEPTH_TEST);gl.depthFunc(gl.LEQUAL);gl.disable(gl.BLEND);gl.disable(gl.CULL_FACE);var hasTransparent=false;if(axes.enable){hasTransparent=hasTransparent||axes.isTransparent();axes.draw(cameraParams)}spikes.axes=axes;if(selection.object){spikes.draw(cameraParams)}gl.disable(gl.CULL_FACE);for(var i=0;i<numObjs;++i){var obj=objects[i];obj.axes=axes;obj.pixelRatio=scene.pixelRatio;if(obj.isOpaque&&obj.isOpaque()){obj.draw(cameraParams)}if(obj.isTransparent&&obj.isTransparent()){hasTransparent=true}}if(hasTransparent){accumBuffer.shape=viewShape;accumBuffer.bind();gl.clear(gl.DEPTH_BUFFER_BIT);gl.colorMask(false,false,false,false);gl.depthMask(true);gl.depthFunc(gl.LESS);if(axes.enable&&axes.isTransparent()){axes.drawTransparent(cameraParams)}for(var i=0;i<numObjs;++i){var obj=objects[i];if(obj.isOpaque&&obj.isOpaque()){obj.draw(cameraParams)}}gl.enable(gl.BLEND);gl.blendEquation(gl.FUNC_ADD);gl.blendFunc(gl.ONE,gl.ONE);gl.colorMask(true,true,true,true);gl.depthMask(false);gl.clearColor(0,0,0,0);gl.clear(gl.COLOR_BUFFER_BIT);if(axes.isTransparent()){axes.drawTransparent(cameraParams)}for(var i=0;i<numObjs;++i){var obj=objects[i];if(obj.isTransparent&&obj.isTransparent()){obj.drawTransparent(cameraParams)}}gl.bindFramebuffer(gl.FRAMEBUFFER,null);gl.blendFunc(gl.ONE,gl.ONE_MINUS_SRC_ALPHA);gl.disable(gl.DEPTH_TEST);accumShader.bind();accumBuffer.color[0].bind(0);accumShader.uniforms.accumBuffer=0;drawTriangle(gl);gl.disable(gl.BLEND)}dirty=false;for(var i=0;i<numObjs;++i){objects[i].dirty=false}}render();return scene}},{"./lib/shader":6,"a-big-triangle":21,"gl-axes3d":22,"gl-axes3d/properties":105,"gl-fbo":106,"gl-mat4/perspective":121,"gl-select-static":131,"gl-spikes3d":155,"mouse-change":158,orbiter:172}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("is-array");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;var kMaxLength=1073741823;var rootParent={};Buffer.TYPED_ARRAY_SUPPORT=function(){try{var buf=new ArrayBuffer(0);var arr=new Uint8Array(buf);arr.foo=function(){return 42};return 42===arr.foo()&&typeof arr.subarray==="function"&&new Uint8Array(1).subarray(1,1).byteLength===0}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;var length;if(type==="number")length=subject>0?subject>>>0:0;else if(type==="string"){length=Buffer.byteLength(subject,encoding)}else if(type==="object"&&subject!==null){if(subject.type==="Buffer"&&isArray(subject.data))subject=subject.data;length=+subject.length>0?Math.floor(+subject.length):0}else throw new TypeError("must start with number, buffer, array or string");if(length>kMaxLength)throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength.toString(16)+" bytes");var buf;if(Buffer.TYPED_ARRAY_SUPPORT){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(Buffer.TYPED_ARRAY_SUPPORT&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){if(Buffer.isBuffer(subject)){for(i=0;i<length;i++)buf[i]=subject.readUInt8(i)}else{for(i=0;i<length;i++)buf[i]=(subject[i]%256+256)%256}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!Buffer.TYPED_ARRAY_SUPPORT&&!noZero){for(i=0;i<length;i++){buf[i]=0}}if(length>0&&length<=Buffer.poolSize)buf.parent=rootParent;return buf}function SlowBuffer(subject,encoding,noZero){if(!(this instanceof SlowBuffer))return new SlowBuffer(subject,encoding,noZero);var buf=new Buffer(subject,encoding,noZero);delete buf.parent;return buf}Buffer.isBuffer=function(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("Arguments must be Buffers");var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len&&a[i]===b[i];i++){}if(i!==len){x=a[i];y=b[i]}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function(list,totalLength){if(!isArray(list))throw new TypeError("Usage: Buffer.concat(list[, length])");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(totalLength===undefined){totalLength=0;for(i=0;i<list.length;i++){totalLength+=list[i].length}}var buf=new Buffer(totalLength);var pos=0;for(i=0;i<list.length;i++){var item=list[i];item.copy(buf,pos);pos+=item.length}return buf};Buffer.byteLength=function(str,encoding){var ret;str=str+"";switch(encoding||"utf8"){case"ascii":case"binary":case"raw":ret=str.length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;case"hex":ret=str.length>>>1;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"base64":ret=base64ToBytes(str).length;break;default:ret=str.length}return ret};Buffer.prototype.length=undefined;Buffer.prototype.parent=undefined;Buffer.prototype.toString=function(encoding,start,end){var loweredCase=false;start=start>>>0;end=end===undefined||end===Infinity?this.length:end>>>0;if(!encoding)encoding="utf8";if(start<0)start=0;if(end>this.length)end=this.length;if(end<=start)return"";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"binary":return binarySlice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}};Buffer.prototype.equals=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)};Buffer.prototype.get=function(offset){console.log(".get() is deprecated. Access using array indexes instead.");return this.readUInt8(offset)};Buffer.prototype.set=function(v,offset){console.log(".set() is deprecated. Access using array indexes instead.");return this.writeUInt8(v,offset)};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new Error("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var byte=parseInt(string.substr(i*2,2),16);if(isNaN(byte))throw new Error("Invalid hex string");buf[offset+i]=byte}return i}function utf8Write(buf,string,offset,length){var charsWritten=blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length);return charsWritten}function asciiWrite(buf,string,offset,length){var charsWritten=blitBuffer(asciiToBytes(string),buf,offset,length);return charsWritten}function binaryWrite(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){var charsWritten=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function utf16leWrite(buf,string,offset,length){var charsWritten=blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length,2);return charsWritten}Buffer.prototype.write=function(string,offset,length,encoding){if(isFinite(offset)){if(!isFinite(length)){encoding=length;length=undefined}}else{var swap=encoding;encoding=offset;offset=length;length=swap}offset=Number(offset)||0;if(length<0||offset<0||offset>this.length)throw new RangeError("attempt to write outside buffer bounds");var remaining=this.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}encoding=String(encoding||"utf8").toLowerCase();var ret;switch(encoding){case"hex":ret=hexWrite(this,string,offset,length);break;case"utf8":case"utf-8":ret=utf8Write(this,string,offset,length);break;case"ascii":ret=asciiWrite(this,string,offset,length);break;case"binary":ret=binaryWrite(this,string,offset,length);break;case"base64":ret=base64Write(this,string,offset,length);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=utf16leWrite(this,string,offset,length);break;default:throw new TypeError("Unknown encoding: "+encoding)}return ret};Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf);

}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){var res="";var tmp="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){if(buf[i]<=127){res+=decodeUtf8Char(tmp)+String.fromCharCode(buf[i]);tmp=""}else{tmp+="%"+buf[i].toString(16)}}return res+decodeUtf8Char(tmp)}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i]&127)}return ret}function binarySlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i])}return ret}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;i++){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}}if(newBuf.length)newBuf.parent=this.parent||this;return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;return val};Buffer.prototype.readUIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256))val+=this[offset+--byteLength]*mul;return val};Buffer.prototype.readUInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256))val+=this[offset+--i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError("buffer must be a Buffer instance");if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range")}Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;i++){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=0;var mul=1;var sub=value<0?1:0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=byteLength-1;var mul=1;var sub=value<0?1:0;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value;return offset+1};Buffer.prototype.writeInt16LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};Buffer.prototype.writeInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range");if(offset<0)throw new RangeError("index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38);ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308);ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function(target,target_start,start,end){var source=this;if(!start)start=0;if(!end&&end!==0)end=this.length;if(target_start>=target.length)target_start=target.length;if(!target_start)target_start=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||source.length===0)return 0;if(target_start<0)throw new RangeError("targetStart out of bounds");if(start<0||start>=source.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-target_start<end-start)end=target.length-target_start+start;var len=end-start;if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<len;i++){target[i+target_start]=this[i+start]}}else{target._set(this.subarray(start,start+len),target_start)}return len};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;if(end<start)throw new RangeError("end < start");if(end===start)return;if(this.length===0)return;if(start<0||start>=this.length)throw new RangeError("start out of bounds");if(end<0||end>this.length)throw new RangeError("end out of bounds");var i;if(typeof value==="number"){for(i=start;i<end;i++){this[i]=value}}else{var bytes=utf8ToBytes(value.toString());var len=bytes.length;for(i=start;i<end;i++){this[i]=bytes[i%len]}}return this};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(Buffer.TYPED_ARRAY_SUPPORT){return new Buffer(this).buffer}else{var buf=new Uint8Array(this.length);for(var i=0,len=buf.length;i<len;i+=1){buf[i]=this[i]}return buf.buffer}}else{throw new TypeError("Buffer.toArrayBuffer not supported in this browser")}};var BP=Buffer.prototype;Buffer._augment=function(arr){arr.constructor=Buffer;arr._isBuffer=true;arr._get=arr.get;arr._set=arr.set;arr.get=BP.get;arr.set=BP.set;arr.write=BP.write;arr.toString=BP.toString;arr.toLocaleString=BP.toString;arr.toJSON=BP.toJSON;arr.equals=BP.equals;arr.compare=BP.compare;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUIntLE=BP.readUIntLE;arr.readUIntBE=BP.readUIntBE;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readIntLE=BP.readIntLE;arr.readIntBE=BP.readIntBE;arr.readInt8=BP.readInt8;arr.readInt16LE=BP.readInt16LE;arr.readInt16BE=BP.readInt16BE;arr.readInt32LE=BP.readInt32LE;arr.readInt32BE=BP.readInt32BE;arr.readFloatLE=BP.readFloatLE;arr.readFloatBE=BP.readFloatBE;arr.readDoubleLE=BP.readDoubleLE;arr.readDoubleBE=BP.readDoubleBE;arr.writeUInt8=BP.writeUInt8;arr.writeUIntLE=BP.writeUIntLE;arr.writeUIntBE=BP.writeUIntBE;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeIntLE=BP.writeIntLE;arr.writeIntBE=BP.writeIntBE;arr.writeInt8=BP.writeInt8;arr.writeInt16LE=BP.writeInt16LE;arr.writeInt16BE=BP.writeInt16BE;arr.writeInt32LE=BP.writeInt32LE;arr.writeInt32BE=BP.writeInt32BE;arr.writeFloatLE=BP.writeFloatLE;arr.writeFloatBE=BP.writeFloatBE;arr.writeDoubleLE=BP.writeDoubleLE;arr.writeDoubleBE=BP.writeDoubleBE;arr.fill=BP.fill;arr.inspect=BP.inspect;arr.toArrayBuffer=BP.toArrayBuffer;return arr};var INVALID_BASE64_RE=/[^+\/0-9A-z\-]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function isArrayish(subject){return isArray(subject)||Buffer.isBuffer(subject)||subject&&typeof subject==="object"&&typeof subject.length==="number"}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){var codePoint,length=string.length;var leadSurrogate=null;units=units||Infinity;var bytes=[];var i=0;for(;i<length;i++){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(leadSurrogate){if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}else{codePoint=leadSurrogate-55296<<10|codePoint-56320|65536;leadSurrogate=null}}else{if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}else{leadSurrogate=codePoint;continue}}}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=null}if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<2097152){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length,unitSize){if(unitSize)length-=length%unitSize;for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function decodeUtf8Char(str){try{return decodeURIComponent(str)}catch(err){return String.fromCharCode(65533)}}},{"base64-js":2,ieee754:3,"is-array":4}],2:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);var PLUS_URL_SAFE="-".charCodeAt(0);var SLASH_URL_SAFE="_".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS||code===PLUS_URL_SAFE)return 62;if(code===SLASH||code===SLASH_URL_SAFE)return 63;if(code<NUMBER)return-1;if(code<NUMBER+10)return code-NUMBER+26+26;if(code<UPPER+26)return code-UPPER;if(code<LOWER+26)return code-LOWER+26}function b64ToByteArray(b64){var i,j,l,tmp,placeHolders,arr;if(b64.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0;arr=new Arr(b64.length*3/4-placeHolders);l=placeHolders>0?b64.length-4:b64.length;var L=0;function push(v){arr[L++]=v}for(i=0,j=0;i<l;i+=4,j+=3){tmp=decode(b64.charAt(i))<<18|decode(b64.charAt(i+1))<<12|decode(b64.charAt(i+2))<<6|decode(b64.charAt(i+3));push((tmp&16711680)>>16);push((tmp&65280)>>8);push(tmp&255)}if(placeHolders===2){tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4;push(tmp&255)}else if(placeHolders===1){tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2;push(tmp>>8&255);push(tmp&255)}return arr}function uint8ToBase64(uint8){var i,extraBytes=uint8.length%3,output="",temp,length;function encode(num){return lookup.charAt(num)}function tripletToBase64(num){return encode(num>>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(num&63)}for(i=0,length=uint8.length-extraBytes;i<length;i+=3){temp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output+=tripletToBase64(temp)}switch(extraBytes){case 1:temp=uint8[uint8.length-1];output+=encode(temp>>2);output+=encode(temp<<4&63);output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1];output+=encode(temp>>10);output+=encode(temp>>4&63);output+=encode(temp<<2&63);output+="=";break}return output}exports.toByteArray=b64ToByteArray;exports.fromByteArray=uint8ToBase64})(typeof exports==="undefined"?this.base64js={}:exports)},{}],3:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8);m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8);if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8);e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=s*128}},{}],4:[function(require,module,exports){var isArray=Array.isArray;var str=Object.prototype.toString;module.exports=isArray||function(val){return!!val&&"[object Array]"==str.call(val)}},{}],5:[function(require,module,exports){"use strict";var barycentric=require("barycentric");var closestPointToTriangle=require("polytope-closest-point/lib/closest_point_2d.js");module.exports=closestPointToPickLocation;function xformMatrix(m,v){var out=[0,0,0,0];for(var i=0;i<4;++i){for(var j=0;j<4;++j){out[j]+=m[4*i+j]*v[i]}}return out}function projectVertex(v,model,view,projection,resolution){var p=xformMatrix(projection,xformMatrix(view,xformMatrix(model,[v[0],v[1],v[2],1])));for(var i=0;i<3;++i){p[i]/=p[3]}return[.5*resolution[0]*(1+p[0]),.5*resolution[1]*(1-p[1])]}function barycentricCoord(simplex,point){if(simplex.length===2){var d0=0;var d1=0;for(var i=0;i<2;++i){d0+=Math.pow(point[i]-simplex[0][i],2);d1+=Math.pow(point[i]-simplex[1][i],2)}d0=Math.sqrt(d0);d1=Math.sqrt(d1);if(d0+d1<1e-6){return[1,0]}return[d1/(d0+d1),d0/(d1+d0)]}else if(simplex.length===3){var closestPoint=[0,0];closestPointToTriangle(simplex[0],simplex[1],simplex[2],point,closestPoint);return barycentric(simplex,closestPoint)}return[]}function interpolate(simplex,weights){var result=[0,0,0];for(var i=0;i<simplex.length;++i){var p=simplex[i];var w=weights[i];for(var j=0;j<3;++j){result[j]+=w*p[j]}}return result}function closestPointToPickLocation(simplex,pixelCoord,model,view,projection,resolution){if(simplex.length===1){return[0,simplex[0].slice()]}var simplex2D=new Array(simplex.length);for(var i=0;i<simplex.length;++i){simplex2D[i]=projectVertex(simplex[i],model,view,projection,resolution)}var closestIndex=0;var closestDist=Infinity;for(var i=0;i<simplex2D.length;++i){var d2=0;for(var j=0;j<2;++j){d2+=Math.pow(simplex2D[i][j]-pixelCoord[j],2)}if(d2<closestDist){closestDist=d2;closestIndex=i}}var weights=barycentricCoord(simplex2D,pixelCoord);var s=0;for(var i=0;i<3;++i){if(weights[i]<-.001||weights[i]>1.0001){return null}s+=weights[i]}if(Math.abs(s-1)>.001){return null}return[closestIndex,interpolate(simplex,weights),weights]}},{barycentric:7,"polytope-closest-point/lib/closest_point_2d.js":51}],6:[function(require,module,exports){var glslify=require("glslify");exports.meshShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position, normal;\nattribute vec4 color;\nattribute vec2 uv;\nuniform mat4 model, view, projection;\nuniform vec3 eyePosition, lightPosition;\nvarying vec3 f_normal, f_lightDirection, f_eyeDirection, f_data;\nvarying vec4 f_color;\nvarying vec2 f_uv;\nvoid main() {\n  vec4 m_position = model * vec4(position, 1.0);\n  vec4 t_position = view * m_position;\n  gl_Position = projection * t_position;\n  f_color = color;\n  f_normal = normal;\n  f_data = position;\n  f_eyeDirection = eyePosition - position;\n  f_lightDirection = lightPosition - position;\n  f_uv = uv;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nfloat b_x_beckmannDistribution(float x, float roughness) {\n  float NdotH = max(x, 0.0001);\n  float cos2Alpha = NdotH * NdotH;\n  float tan2Alpha = (cos2Alpha - 1.0) / cos2Alpha;\n  float roughness2 = roughness * roughness;\n  float denom = 3.141592653589793 * roughness2 * cos2Alpha * cos2Alpha;\n  return exp(tan2Alpha / roughness2) / denom;\n}\nfloat a_x_cookTorranceSpecular(vec3 lightDirection, vec3 viewDirection, vec3 surfaceNormal, float roughness, float fresnel) {\n  float VdotN = max(dot(viewDirection, surfaceNormal), 0.0);\n  float LdotN = max(dot(lightDirection, surfaceNormal), 0.0);\n  vec3 H = normalize(lightDirection + viewDirection);\n  float NdotH = max(dot(surfaceNormal, H), 0.0);\n  float VdotH = max(dot(viewDirection, H), 0.000001);\n  float LdotH = max(dot(lightDirection, H), 0.000001);\n  float G1 = (2.0 * NdotH * VdotN) / VdotH;\n  float G2 = (2.0 * NdotH * LdotN) / LdotH;\n  float G = min(1.0, min(G1, G2));\n  float D = b_x_beckmannDistribution(NdotH, roughness);\n  float F = pow(1.0 - VdotN, fresnel);\n  return G * F * D / max(3.14159265 * VdotN, 0.000001);\n}\nuniform vec3 clipBounds[2];\nuniform float roughness, fresnel, kambient, kdiffuse, kspecular, opacity;\nuniform sampler2D texture;\nvarying vec3 f_normal, f_lightDirection, f_eyeDirection, f_data;\nvarying vec4 f_color;\nvarying vec2 f_uv;\nvoid main() {\n  if(any(lessThan(f_data, clipBounds[0])) || any(greaterThan(f_data, clipBounds[1]))) {\n    discard;\n  }\n  vec3 N = normalize(f_normal);\n  vec3 L = normalize(f_lightDirection);\n  vec3 V = normalize(f_eyeDirection);\n  if(!gl_FrontFacing) {\n    N = -N;\n  }\n  float specular = a_x_cookTorranceSpecular(L, V, N, roughness, fresnel);\n  float diffuse = min(kambient + kdiffuse * max(dot(N, L), 0.0), 1.0);\n  vec4 surfaceColor = f_color * texture2D(texture, f_uv);\n  vec4 litColor = surfaceColor.a * vec4(diffuse * surfaceColor.rgb + kspecular * vec3(1, 1, 1) * specular, 1.0);\n  gl_FragColor = litColor * opacity;\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"eyePosition",type:"vec3"},{name:"lightPosition",type:"vec3"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"roughness",type:"float"},{name:"fresnel",type:"float"},{name:"kambient",type:"float"},{name:"kdiffuse",type:"float"},{name:"kspecular",type:"float"},{name:"opacity",type:"float"},{name:"texture",type:"sampler2D"}],[{name:"position",type:"vec3"},{name:"normal",type:"vec3"},{name:"color",type:"vec4"},{name:"uv",type:"vec2"}]);exports.wireShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position;\nattribute vec4 color;\nattribute vec2 uv;\nuniform mat4 model, view, projection;\nvarying vec4 f_color;\nvarying vec3 f_data;\nvarying vec2 f_uv;\nvoid main() {\n  gl_Position = projection * view * model * vec4(position, 1.0);\n  f_color = color;\n  f_data = position;\n  f_uv = uv;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec3 clipBounds[2];\nuniform sampler2D texture;\nuniform float opacity;\nvarying vec4 f_color;\nvarying vec3 f_data;\nvarying vec2 f_uv;\nvoid main() {\n  if(any(lessThan(f_data, clipBounds[0])) || any(greaterThan(f_data, clipBounds[1]))) {\n    discard;\n  }\n  gl_FragColor = f_color * texture2D(texture, f_uv) * opacity;\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"texture",type:"sampler2D"},{name:"opacity",type:"float"}],[{name:"position",type:"vec3"},{name:"color",type:"vec4"},{name:"uv",type:"vec2"}]);exports.pointShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position;\nattribute vec4 color;\nattribute vec2 uv;\nattribute float pointSize;\nuniform mat4 model, view, projection;\nuniform vec3 clipBounds[2];\nvarying vec4 f_color;\nvarying vec2 f_uv;\nvoid main() {\n  if(any(lessThan(position, clipBounds[0])) || any(greaterThan(position, clipBounds[1]))) {\n    gl_Position = vec4(0, 0, 0, 0);\n  } else {\n    gl_Position = projection * view * model * vec4(position, 1.0);\n  }\n  gl_PointSize = pointSize;\n  f_color = color;\n  f_uv = uv;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform sampler2D texture;\nuniform float opacity;\nvarying vec4 f_color;\nvarying vec2 f_uv;\nvoid main() {\n  vec2 pointR = gl_PointCoord.xy - vec2(0.5, 0.5);\n  if(dot(pointR, pointR) > 0.25) {\n    discard;\n  }\n  gl_FragColor = f_color * texture2D(texture, f_uv) * opacity;\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"texture",type:"sampler2D"},{name:"opacity",type:"float"}],[{name:"position",type:"vec3"},{name:"color",type:"vec4"},{name:"uv",type:"vec2"},{name:"pointSize",type:"float"}]);exports.pickShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position;\nattribute vec4 id;\nuniform mat4 model, view, projection;\nvarying vec3 f_position;\nvarying vec4 f_id;\nvoid main() {\n  gl_Position = projection * view * model * vec4(position, 1.0);\n  f_id = id;\n  f_position = position;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec3 clipBounds[2];\nuniform float pickId;\nvarying vec3 f_position;\nvarying vec4 f_id;\nvoid main() {\n  if(any(lessThan(f_position, clipBounds[0])) || any(greaterThan(f_position, clipBounds[1]))) {\n    discard;\n  }\n  gl_FragColor = vec4(pickId, f_id.xyz);\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"pickId",type:"float"}],[{name:"position",type:"vec3"},{name:"id",type:"vec4"}]);exports.pointPickShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position;\nattribute float pointSize;\nattribute vec4 id;\nuniform mat4 model, view, projection;\nuniform vec3 clipBounds[2];\nvarying vec3 f_position;\nvarying vec4 f_id;\nvoid main() {\n  if(any(lessThan(position, clipBounds[0])) || any(greaterThan(position, clipBounds[1]))) {\n    gl_Position = vec4(0, 0, 0, 0);\n  } else {\n    gl_Position = projection * view * model * vec4(position, 1.0);\n    gl_PointSize = pointSize;\n  }\n  f_id = id;\n  f_position = position;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec3 clipBounds[2];\nuniform float pickId;\nvarying vec3 f_position;\nvarying vec4 f_id;\nvoid main() {\n  if(any(lessThan(f_position, clipBounds[0])) || any(greaterThan(f_position, clipBounds[1]))) {\n    discard;\n  }\n  gl_FragColor = vec4(pickId, f_id.xyz);\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"pickId",type:"float"}],[{name:"position",type:"vec3"},{name:"pointSize",type:"float"},{name:"id",type:"vec4"}]);exports.contourShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position;\nuniform mat4 model, view, projection;\nvoid main() {\n  gl_Position = projection * view * model * vec4(position, 1.0);\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec3 contourColor;\nvoid main() {\n  gl_FragColor = vec4(contourColor, 1);\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"contourColor",type:"vec3"}],[{name:"position",type:"vec3"}])},{glslify:45,"glslify/simple-adapter.js":46}],7:[function(require,module,exports){"use strict";module.exports=barycentric;var solve=require("robust-linear-solve");function reduce(x){var r=0;for(var i=0;i<x.length;++i){r+=x[i]}return r}function barycentric(simplex,point){var d=point.length;var A=new Array(d+1);for(var i=0;i<d;++i){var row=new Array(d+1);for(var j=0;j<=d;++j){row[j]=simplex[j][i]}A[i]=row}A[d]=new Array(d+1);for(var i=0;i<=d;++i){A[d][i]=1}var b=new Array(d+1);for(var i=0;i<d;++i){b[i]=point[i]}b[d]=1;var x=solve(A,b);var w=reduce(x[d+1]);

if(w===0){w=1}var y=new Array(d+1);for(var i=0;i<=d;++i){y[i]=reduce(x[i])/w}return y}},{"robust-linear-solve":8}],8:[function(require,module,exports){"use strict";var determinant=require("robust-determinant");var NUM_EXPAND=6;function generateSolver(n){var funcName="robustLinearSolve"+n+"d";var code=["function ",funcName,"(A,b){return ["];for(var i=0;i<n;++i){code.push("det([");for(var j=0;j<n;++j){if(j>0){code.push(",")}code.push("[");for(var k=0;k<n;++k){if(k>0){code.push(",")}if(k===i){code.push("+b[",j,"]")}else{code.push("+A[",j,"][",k,"]")}}code.push("]")}code.push("]),")}code.push("det(A)]}return ",funcName);var proc=new Function("det",code.join(""));if(n<6){return proc(determinant[n])}return proc(determinant)}function robustLinearSolve0d(){return[0]}function robustLinearSolve1d(A,b){return[[b[0]],[A[0][0]]]}var CACHE=[robustLinearSolve0d,robustLinearSolve1d];function generateDispatch(){while(CACHE.length<NUM_EXPAND){CACHE.push(generateSolver(CACHE.length))}var procArgs=[];var code=["function dispatchLinearSolve(A,b){switch(A.length){"];for(var i=0;i<NUM_EXPAND;++i){procArgs.push("s"+i);code.push("case ",i,":return s",i,"(A,b);")}code.push("}var s=CACHE[A.length];if(!s)s=CACHE[A.length]=g(A.length);return s(A,b)}return dispatchLinearSolve");procArgs.push("CACHE","g",code.join(""));var proc=Function.apply(undefined,procArgs);module.exports=proc.apply(undefined,CACHE.concat([CACHE,generateSolver]));for(var i=0;i<NUM_EXPAND;++i){module.exports[i]=CACHE[i]}}generateDispatch()},{"robust-determinant":14}],9:[function(require,module,exports){"use strict";module.exports=compressExpansion;function compressExpansion(e){var m=e.length;var Q=e[e.length-1];var bottom=m;for(var i=m-2;i>=0;--i){var a=Q;var b=e[i];Q=a+b;var bv=Q-a;var q=b-bv;if(q){e[--bottom]=Q;Q=q}}var top=0;for(var i=bottom;i<m;++i){var a=e[i];var b=Q;Q=a+b;var bv=Q-a;var q=b-bv;if(q){e[top++]=q}}e[top++]=Q;e.length=top;return e}},{}],10:[function(require,module,exports){"use strict";module.exports=fastTwoSum;function fastTwoSum(a,b,result){var x=a+b;var bv=x-a;var av=x-bv;var br=b-bv;var ar=a-av;if(result){result[0]=ar+br;result[1]=x;return result}return[ar+br,x]}},{}],11:[function(require,module,exports){"use strict";var twoProduct=require("two-product");var twoSum=require("two-sum");module.exports=scaleLinearExpansion;function scaleLinearExpansion(e,scale){var n=e.length;if(n===1){var ts=twoProduct(e[0],scale);if(ts[0]){return ts}return[ts[1]]}var g=new Array(2*n);var q=[.1,.1];var t=[.1,.1];var count=0;twoProduct(e[0],scale,q);if(q[0]){g[count++]=q[0]}for(var i=1;i<n;++i){twoProduct(e[i],scale,t);var pq=q[1];twoSum(pq,t[0],q);if(q[0]){g[count++]=q[0]}var a=t[1];var b=q[1];var x=a+b;var bv=x-a;var y=b-bv;q[1]=x;if(y){g[count++]=y}}if(q[1]){g[count++]=q[1]}if(count===0){g[count++]=0}g.length=count;return g}},{"two-product":13,"two-sum":10}],12:[function(require,module,exports){"use strict";module.exports=linearExpansionSum;function scalarScalar(a,b){var x=a+b;var bv=x-a;var av=x-bv;var br=b-bv;var ar=a-av;var y=ar+br;if(y){return[y,x]}return[x]}function linearExpansionSum(e,f){var ne=e.length|0;var nf=f.length|0;if(ne===1&&nf===1){return scalarScalar(e[0],f[0])}var n=ne+nf;var g=new Array(n);var count=0;var eptr=0;var fptr=0;var abs=Math.abs;var ei=e[eptr];var ea=abs(ei);var fi=f[fptr];var fa=abs(fi);var a,b;if(ea<fa){b=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{b=fi;fptr+=1;if(fptr<nf){fi=f[fptr];fa=abs(fi)}}if(eptr<ne&&ea<fa||fptr>=nf){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=f[fptr];fa=abs(fi)}}var x=a+b;var bv=x-a;var y=b-bv;var q0=y;var q1=x;var _x,_bv,_av,_br,_ar;while(eptr<ne&&fptr<nf){if(ea<fa){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=f[fptr];fa=abs(fi)}}b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x}while(eptr<ne){a=ei;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;eptr+=1;if(eptr<ne){ei=e[eptr]}}while(fptr<nf){a=fi;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;fptr+=1;if(fptr<nf){fi=f[fptr]}}if(q0){g[count++]=q0}if(q1){g[count++]=q1}if(!count){g[count++]=0}g.length=count;return g}},{}],13:[function(require,module,exports){"use strict";module.exports=twoProduct;var SPLITTER=+(Math.pow(2,27)+1);function twoProduct(a,b,result){var x=a*b;var c=SPLITTER*a;var abig=c-a;var ahi=c-abig;var alo=a-ahi;var d=SPLITTER*b;var bbig=d-b;var bhi=d-bbig;var blo=b-bhi;var err1=x-ahi*bhi;var err2=err1-alo*bhi;var err3=err2-ahi*blo;var y=alo*blo-err3;if(result){result[0]=y;result[1]=x;return result}return[y,x]}},{}],14:[function(require,module,exports){"use strict";var twoProduct=require("two-product");var robustSum=require("robust-sum");var robustScale=require("robust-scale");var compress=require("robust-compress");var NUM_EXPANDED=6;function cofactor(m,c){var result=new Array(m.length-1);for(var i=1;i<m.length;++i){var r=result[i-1]=new Array(m.length-1);for(var j=0,k=0;j<m.length;++j){if(j===c){continue}r[k++]=m[i][j]}}return result}function matrix(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=new Array(n);for(var j=0;j<n;++j){result[i][j]=["m[",i,"][",j,"]"].join("")}}return result}function sign(n){if(n&1){return"-"}return""}function generateSum(expr){if(expr.length===1){return expr[0]}else if(expr.length===2){return["sum(",expr[0],",",expr[1],")"].join("")}else{var m=expr.length>>1;return["sum(",generateSum(expr.slice(0,m)),",",generateSum(expr.slice(m)),")"].join("")}}function determinant(m){if(m.length===2){return["sum(prod(",m[0][0],",",m[1][1],"),prod(-",m[0][1],",",m[1][0],"))"].join("")}else{var expr=[];for(var i=0;i<m.length;++i){expr.push(["scale(",determinant(cofactor(m,i)),",",sign(i),m[0][i],")"].join(""))}return generateSum(expr)}}function compileDeterminant(n){var proc=new Function("sum","scale","prod","compress",["function robustDeterminant",n,"(m){return compress(",determinant(matrix(n)),")};return robustDeterminant",n].join(""));return proc(robustSum,robustScale,twoProduct,compress)}var CACHE=[function robustDeterminant0(){return[0]},function robustDeterminant1(m){return[m[0][0]]}];function generateDispatch(){while(CACHE.length<NUM_EXPANDED){CACHE.push(compileDeterminant(CACHE.length))}var procArgs=[];var code=["function robustDeterminant(m){switch(m.length){"];for(var i=0;i<NUM_EXPANDED;++i){procArgs.push("det"+i);code.push("case ",i,":return det",i,"(m);")}code.push("}var det=CACHE[m.length];if(!det)det=CACHE[m.length]=gen(m.length);return det(m);}return robustDeterminant");procArgs.push("CACHE","gen",code.join(""));var proc=Function.apply(undefined,procArgs);module.exports=proc.apply(undefined,CACHE.concat([CACHE,compileDeterminant]));for(var i=0;i<CACHE.length;++i){module.exports[i]=CACHE[i]}}generateDispatch()},{"robust-compress":9,"robust-scale":11,"robust-sum":12,"two-product":13}],15:[function(require,module,exports){module.exports={jet:[{index:0,rgb:[0,0,131]},{index:.125,rgb:[0,60,170]},{index:.375,rgb:[5,255,255]},{index:.625,rgb:[255,255,0]},{index:.875,rgb:[250,0,0]},{index:1,rgb:[128,0,0]}],hsv:[{index:0,rgb:[255,0,0]},{index:.169,rgb:[253,255,2]},{index:.173,rgb:[247,255,2]},{index:.337,rgb:[0,252,4]},{index:.341,rgb:[0,252,10]},{index:.506,rgb:[1,249,255]},{index:.671,rgb:[2,0,253]},{index:.675,rgb:[8,0,253]},{index:.839,rgb:[255,0,251]},{index:.843,rgb:[255,0,245]},{index:1,rgb:[255,0,6]}],hot:[{index:0,rgb:[0,0,0]},{index:.3,rgb:[230,0,0]},{index:.6,rgb:[255,210,0]},{index:1,rgb:[255,255,255]}],cool:[{index:0,rgb:[0,255,255]},{index:1,rgb:[255,0,255]}],spring:[{index:0,rgb:[255,0,255]},{index:1,rgb:[255,255,0]}],summer:[{index:0,rgb:[0,128,102]},{index:1,rgb:[255,255,102]}],autumn:[{index:0,rgb:[255,0,0]},{index:1,rgb:[255,255,0]}],winter:[{index:0,rgb:[0,0,255]},{index:1,rgb:[0,255,128]}],bone:[{index:0,rgb:[0,0,0]},{index:.376,rgb:[84,84,116]},{index:.753,rgb:[169,200,200]},{index:1,rgb:[255,255,255]}],copper:[{index:0,rgb:[0,0,0]},{index:.804,rgb:[255,160,102]},{index:1,rgb:[255,199,127]}],greys:[{index:0,rgb:[0,0,0]},{index:1,rgb:[255,255,255]}],yignbu:[{index:0,rgb:[8,29,88]},{index:.125,rgb:[37,52,148]},{index:.25,rgb:[34,94,168]},{index:.375,rgb:[29,145,192]},{index:.5,rgb:[65,182,196]},{index:.625,rgb:[127,205,187]},{index:.75,rgb:[199,233,180]},{index:.875,rgb:[237,248,217]},{index:1,rgb:[255,255,217]}],greens:[{index:0,rgb:[0,68,27]},{index:.125,rgb:[0,109,44]},{index:.25,rgb:[35,139,69]},{index:.375,rgb:[65,171,93]},{index:.5,rgb:[116,196,118]},{index:.625,rgb:[161,217,155]},{index:.75,rgb:[199,233,192]},{index:.875,rgb:[229,245,224]},{index:1,rgb:[247,252,245]}],yiorrd:[{index:0,rgb:[128,0,38]},{index:.125,rgb:[189,0,38]},{index:.25,rgb:[227,26,28]},{index:.375,rgb:[252,78,42]},{index:.5,rgb:[253,141,60]},{index:.625,rgb:[254,178,76]},{index:.75,rgb:[254,217,118]},{index:.875,rgb:[255,237,160]},{index:1,rgb:[255,255,204]}],bluered:[{index:0,rgb:[0,0,255]},{index:1,rgb:[255,0,0]}],rdbu:[{index:0,rgb:[5,10,172]},{index:.35,rgb:[106,137,247]},{index:.5,rgb:[190,190,190]},{index:.6,rgb:[220,170,132]},{index:.7,rgb:[230,145,90]},{index:1,rgb:[178,10,28]}],picnic:[{index:0,rgb:[0,0,255]},{index:.1,rgb:[51,153,255]},{index:.2,rgb:[102,204,255]},{index:.3,rgb:[153,204,255]},{index:.4,rgb:[204,204,255]},{index:.5,rgb:[255,255,255]},{index:.6,rgb:[255,204,255]},{index:.7,rgb:[255,153,255]},{index:.8,rgb:[255,102,204]},{index:.9,rgb:[255,102,102]},{index:1,rgb:[255,0,0]}],rainbow:[{index:0,rgb:[150,0,90]},{index:.125,rgb:[0,0,200]},{index:.25,rgb:[0,25,255]},{index:.375,rgb:[0,152,255]},{index:.5,rgb:[44,255,150]},{index:.625,rgb:[151,255,0]},{index:.75,rgb:[255,234,0]},{index:.875,rgb:[255,111,0]},{index:1,rgb:[255,0,0]}],portland:[{index:0,rgb:[12,51,131]},{index:.25,rgb:[10,136,186]},{index:.5,rgb:[242,211,56]},{index:.75,rgb:[242,143,56]},{index:1,rgb:[217,30,30]}],blackbody:[{index:0,rgb:[0,0,0]},{index:.2,rgb:[230,0,0]},{index:.4,rgb:[230,210,0]},{index:.7,rgb:[255,255,255]},{index:1,rgb:[160,200,255]}],earth:[{index:0,rgb:[0,0,130]},{index:.1,rgb:[0,180,180]},{index:.2,rgb:[40,210,40]},{index:.4,rgb:[230,230,50]},{index:.6,rgb:[120,70,20]},{index:1,rgb:[255,255,255]}],electric:[{index:0,rgb:[0,0,0]},{index:.15,rgb:[30,0,100]},{index:.4,rgb:[120,0,100]},{index:.6,rgb:[160,90,0]},{index:.8,rgb:[230,200,0]},{index:1,rgb:[255,250,220]}],alpha:[{index:0,rgb:[255,255,255,0]},{index:0,rgb:[255,255,255,1]}]}},{}],16:[function(require,module,exports){"use strict";var at=require("arraytools");var colorScale=require("./colorScales.json");module.exports=function(spec){var indicies,rgba,fromrgba,torgba,nsteps,cmap,colormap,format,nshades,colors,alpha,index,i,r=[],g=[],b=[],a=[];if(!at.isPlainObject(spec))spec={};if(!spec.colormap)colormap="jet";if(!Array.isArray(spec.alpha)){if(typeof spec.alpha==="number")spec.alpha=[spec.alpha,spec.alpha];else spec.alpha=[1,1]}else if(spec.alpha.length!==2)spec.alpha=[1,1];if(typeof spec.colormap==="string"){colormap=spec.colormap.toLowerCase();if(!(colormap in colorScale)){throw Error(colormap+" not a supported colorscale")}cmap=colorScale[colormap]}else if(Array.isArray(spec.colormap)){cmap=spec.colormap}nshades=spec.nshades||72;format=spec.format||"hex";alpha=spec.alpha;if(cmap.length>nshades){throw new Error(colormap+" map requires nshades to be at least size "+cmap.length)}indicies=cmap.map(function(c){return Math.round(c.index*nshades)});if(alpha[0]<0)alpha[0]=0;if(alpha[1]<0)alpha[0]=0;if(alpha[0]>1)alpha[0]=1;if(alpha[1]>1)alpha[0]=1;for(i=0;i<indicies.length;++i){index=cmap[i].index;rgba=cmap[i].rgb;if(rgba.length===4&&rgba[3]>=0&&rgba[3]<=1)continue;rgba[3]=alpha[0]+(alpha[1]-alpha[0])*index}for(i=0;i<indicies.length-1;++i){nsteps=indicies[i+1]-indicies[i];fromrgba=cmap[i].rgb;torgba=cmap[i+1].rgb;r=r.concat(at.linspace(fromrgba[0],torgba[0],nsteps));g=g.concat(at.linspace(fromrgba[1],torgba[1],nsteps));b=b.concat(at.linspace(fromrgba[2],torgba[2],nsteps));a=a.concat(at.linspace(fromrgba[3],torgba[3],nsteps))}r=r.map(Math.round);g=g.map(Math.round);b=b.map(Math.round);colors=at.zip(r,g,b,a);if(format==="hex")colors=colors.map(rgb2hex);if(format==="rgbaString")colors=colors.map(rgbaStr);return colors};function rgb2hex(rgba){var dig,hex="#";for(var i=0;i<3;++i){dig=rgba[i];dig=dig.toString(16);hex+=("00"+dig).substr(dig.length)}return hex}function rgbaStr(rgba){return"rgba("+rgba.join(",")+")"}},{"./colorScales.json":15,arraytools:17}],17:[function(require,module,exports){"use strict";var arraytools=function(){var that={};var RGB_REGEX=/^rgba?\(\s*\d{1,3}\s*,\s*\d{1,3}\s*,\s*\d{1,3}\s*(,.*)?\)$/;var RGB_GROUP_REGEX=/^rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,?\s*(.*)?\)$/;function isPlainObject(v){return!Array.isArray(v)&&v!==null&&typeof v==="object"}function linspace(start,end,num){var inc=(end-start)/(num-1);var a=[];for(var ii=0;ii<num;ii++)a.push(start+ii*inc);return a}function zip(){var arrays=[].slice.call(arguments);var lengths=arrays.map(function(a){return a.length});var len=Math.min.apply(null,lengths);var zipped=[];for(var i=0;i<len;i++){zipped[i]=[];for(var j=0;j<arrays.length;++j){zipped[i][j]=arrays[j][i]}}return zipped}function zip3(a,b,c){var len=Math.min.apply(null,[a.length,b.length,c.length]);var result=[];for(var n=0;n<len;n++){result.push([a[n],b[n],c[n]])}return result}function sum(A){var acc=0;accumulate(A,acc);function accumulate(x){for(var i=0;i<x.length;i++){if(Array.isArray(x[i]))accumulate(x[i],acc);else acc+=x[i]}}return acc}function copy2D(arr){var carr=[];for(var i=0;i<arr.length;++i){carr[i]=[];for(var j=0;j<arr[i].length;++j){carr[i][j]=arr[i][j]}}return carr}function copy1D(arr){var carr=[];for(var i=0;i<arr.length;++i){carr[i]=arr[i]}return carr}function isEqual(arr1,arr2){if(arr1.length!==arr2.length)return false;for(var i=arr1.length;i--;){if(arr1[i]!==arr2[i])return false}return true}function str2RgbArray(str,twoFiftySix){var rgb,match;if(typeof str!=="string")return str;rgb=[];if(str[0]==="#"){str=str.substr(1);if(str.length===3)str+=str;match=parseInt(str,16);rgb[0]=match>>16&255;rgb[1]=match>>8&255;rgb[2]=match&255}else if(RGB_REGEX.test(str)){match=str.match(RGB_GROUP_REGEX);rgb[0]=parseInt(match[1]);rgb[1]=parseInt(match[2]);rgb[2]=parseInt(match[3])}if(!twoFiftySix){for(var j=0;j<3;++j)rgb[j]=rgb[j]/255}return rgb}function str2RgbaArray(str,twoFiftySix){var rgb,match;if(typeof str!=="string")return str;rgb=[];if(str[0]==="#"){str=str.substr(1);if(str.length===3)str+=str;match=parseInt(str,16);rgb[0]=match>>16&255;rgb[1]=match>>8&255;rgb[2]=match&255}else if(RGB_REGEX.test(str)){match=str.match(RGB_GROUP_REGEX);rgb[0]=parseInt(match[1]);rgb[1]=parseInt(match[2]);rgb[2]=parseInt(match[3]);if(match[4])rgb[3]=parseFloat(match[4]);else rgb[3]=1}if(!twoFiftySix){for(var j=0;j<3;++j)rgb[j]=rgb[j]/255}return rgb}that.isPlainObject=isPlainObject;that.linspace=linspace;that.zip3=zip3;that.sum=sum;that.zip=zip;that.isEqual=isEqual;that.copy2D=copy2D;that.copy1D=copy1D;that.str2RgbArray=str2RgbArray;that.str2RgbaArray=str2RgbaArray;return that};module.exports=arraytools()},{}],18:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");var ops=require("ndarray-ops");var ndarray=require("ndarray");var SUPPORTED_TYPES=["uint8","uint8_clamped","uint16","uint32","int8","int16","int32","float32"];function GLBuffer(gl,type,handle,length,usage){this.gl=gl;this.type=type;this.handle=handle;this.length=length;this.usage=usage}var proto=GLBuffer.prototype;proto.bind=function(){this.gl.bindBuffer(this.type,this.handle)};proto.unbind=function(){this.gl.bindBuffer(this.type,null)};proto.dispose=function(){this.gl.deleteBuffer(this.handle)};function updateTypeArray(gl,type,len,usage,data,offset){var dataLen=data.length*data.BYTES_PER_ELEMENT;if(offset<0){gl.bufferData(type,data,usage);return dataLen}if(dataLen+offset>len){throw new Error("gl-buffer: If resizing buffer, must not specify offset")}gl.bufferSubData(type,offset,data);return len}function makeScratchTypeArray(array,dtype){var res=pool.malloc(array.length,dtype);var n=array.length;for(var i=0;i<n;++i){res[i]=array[i]}return res}function isPacked(shape,stride){var n=1;for(var i=stride.length-1;i>=0;--i){if(stride[i]!==n){return false}n*=shape[i]}return true}proto.update=function(array,offset){if(typeof offset!=="number"){offset=-1}this.bind();if(typeof array==="object"&&typeof array.shape!=="undefined"){var dtype=array.dtype;if(SUPPORTED_TYPES.indexOf(dtype)<0){dtype="float32"}if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){var ext=gl.getExtension("OES_element_index_uint");if(ext&&dtype!=="uint16"){dtype="uint32"}else{dtype="uint16"}}if(dtype===array.dtype&&isPacked(array.shape,array.stride)){if(array.offset===0&&array.data.length===array.shape[0]){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data.subarray(array.offset,array.shape[0]),offset)}}else{var tmp=pool.malloc(array.size,dtype);var ndt=ndarray(tmp,array.shape);ops.assign(ndt,array);if(offset<0){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp.subarray(0,array.size),offset)}pool.free(tmp)}}else if(Array.isArray(array)){var t;if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){t=makeScratchTypeArray(array,"uint16")}else{t=makeScratchTypeArray(array,"float32")}if(offset<0){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t.subarray(0,array.length),offset)}pool.free(t)}else if(typeof array==="object"&&typeof array.length==="number"){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array,offset)}else if(typeof array==="number"||array===undefined){if(offset>=0){throw new Error("gl-buffer: Cannot specify offset when resizing buffer")}array=array|0;if(array<=0){array=1}this.gl.bufferData(this.type,array|0,this.usage);this.length=array}else{throw new Error("gl-buffer: Invalid data type")}};function createBuffer(gl,data,type,usage){type=type||gl.ARRAY_BUFFER;usage=usage||gl.DYNAMIC_DRAW;if(type!==gl.ARRAY_BUFFER&&type!==gl.ELEMENT_ARRAY_BUFFER){throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER")}if(usage!==gl.DYNAMIC_DRAW&&usage!==gl.STATIC_DRAW&&usage!==gl.STREAM_DRAW){throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW")}var handle=gl.createBuffer();var result=new GLBuffer(gl,type,handle,0,usage);result.update(data);return result}module.exports=createBuffer},{ndarray:47,"ndarray-ops":19,"typedarray-pool":87}],19:[function(require,module,exports){"use strict";var compile=require("cwise-compiler");var EmptyProc={body:"",args:[],thisVars:[],localVars:[]};function fixup(x){if(!x){return EmptyProc}for(var i=0;i<x.args.length;++i){var a=x.args[i];if(i===0){x.args[i]={name:a,lvalue:true,rvalue:!!x.rvalue,count:x.count||1}}else{x.args[i]={name:a,lvalue:false,rvalue:true,count:1}}}if(!x.thisVars){x.thisVars=[]}if(!x.localVars){x.localVars=[]}return x}function pcompile(user_args){return compile({args:user_args.args,pre:fixup(user_args.pre),body:fixup(user_args.body),post:fixup(user_args.proc),funcName:user_args.funcName})}function makeOp(user_args){var args=[];for(var i=0;i<user_args.args.length;++i){args.push("a"+i)}var wrapper=new Function("P",["return function ",user_args.funcName,"_ndarrayops(",args.join(","),") {P(",args.join(","),");return a0}"].join(""));return wrapper(pcompile(user_args))}var assign_ops={add:"+",sub:"-",mul:"*",div:"/",mod:"%",band:"&",bor:"|",bxor:"^",lshift:"<<",rshift:">>",rrshift:">>>"};(function(){for(var id in assign_ops){var op=assign_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a"+op+"=b"},rvalue:true,funcName:id+"eq"});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a"+op+"=s"},rvalue:true,funcName:id+"seq"})}})();var unary_ops={not:"!",bnot:"~",neg:"-",recip:"1.0/"};(function(){for(var id in unary_ops){var op=unary_ops[id];exports[id]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a="+op+"b"},funcName:id});exports[id+"eq"]=makeOp({args:["array"],body:{args:["a"],body:"a="+op+"a"},rvalue:true,count:2,funcName:id+"eq"})}})();var binary_ops={and:"&&",or:"||",eq:"===",neq:"!==",lt:"<",gt:">",leq:"<=",geq:">="};(function(){for(var id in binary_ops){var op=binary_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=a"+op+"b"},rvalue:true,count:2,funcName:id+"eq"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a=a"+op+"s"},rvalue:true,count:2,funcName:id+"seq"})}})();var math_unary=["abs","acos","asin","atan","ceil","cos","exp","floor","log","round","sin","sqrt","tan"];(function(){for(var i=0;i<math_unary.length;++i){var f=math_unary[i];exports[f]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b)",thisVars:["this_f"]},funcName:f});exports[f+"eq"]=makeOp({args:["array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a"],body:"a=this_f(a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"})}})();var math_comm=["max","min","atan2","pow"];(function(){for(var i=0;i<math_comm.length;++i){var f=math_comm[i];exports[f]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f});exports[f+"s"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f+"s"});exports[f+"eq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"});exports[f+"seq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"seq"})}})();var math_noncomm=["atan2","pow"];(function(){for(var i=0;i<math_noncomm.length;++i){var f=math_noncomm[i];exports[f+"op"]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"op"});exports[f+"ops"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"ops"});exports[f+"opeq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opeq"});exports[f+"opseq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opseq"})}})();exports.any=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"if(a){return true}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return false"},funcName:"any"});exports.all=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1}],body:"if(!x){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"all"});exports.sum=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s+=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"sum"});exports.prod=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=1"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s*=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"prod"});exports.norm2squared=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm2squared"});exports.norm2=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return Math.sqrt(this_s)"},funcName:"norm2"});exports.norminf=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:4}],body:"if(-a>this_s){this_s=-a}else if(a>this_s){this_s=a}",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norminf"});exports.norm1=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:3}],body:"this_s+=a<0?-a:a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm1"});exports.sup=compile({args:["array"],pre:{body:"this_h=-Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_>this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.inf=compile({args:["array"],pre:{body:"this_h=Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_<this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.argmin=compile({args:["index","array","shape"],pre:{body:"{this_v=Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_<this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.argmax=compile({args:["index","array","shape"],pre:{body:"{this_v=-Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_>this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.random=makeOp({args:["array"],pre:{args:[],body:"this_f=Math.random",thisVars:["this_f"]},body:{args:["a"],body:"a=this_f()",thisVars:["this_f"]},funcName:"random"});exports.assign=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=b"},funcName:"assign"});exports.assigns=makeOp({args:["array","scalar"],body:{args:["a","b"],body:"a=b"},funcName:"assigns"});exports.equals=compile({args:["array","array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1},{name:"y",lvalue:false,rvalue:true,count:1}],body:"if(x!==y){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"equals"})},{"cwise-compiler":20}],20:[function(require,module,exports){"use strict";var createThunk=require("./lib/thunk.js");function Procedure(){this.argTypes=[];this.shimArgs=[];this.arrayArgs=[];this.arrayBlockIndices=[];this.scalarArgs=[];this.offsetArgs=[];this.offsetArgIndex=[];this.indexArgs=[];this.shapeArgs=[];this.funcName="";this.pre=null;this.body=null;this.post=null;this.debug=false}function compileCwise(user_args){var proc=new Procedure;proc.pre=user_args.pre;proc.body=user_args.body;proc.post=user_args.post;var proc_args=user_args.args.slice(0);proc.argTypes=proc_args;for(var i=0;i<proc_args.length;++i){var arg_type=proc_args[i];if(arg_type==="array"||typeof arg_type==="object"&&arg_type.blockIndices){proc.argTypes[i]="array";proc.arrayArgs.push(i);proc.arrayBlockIndices.push(arg_type.blockIndices?arg_type.blockIndices:0);proc.shimArgs.push("array"+i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array args")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array args")}}else if(arg_type==="scalar"){proc.scalarArgs.push(i);proc.shimArgs.push("scalar"+i)}else if(arg_type==="index"){proc.indexArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array index")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array index")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array index")}}else if(arg_type==="shape"){proc.shapeArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].lvalue){throw new Error("cwise: pre() block may not write to array shape")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array shape")}if(i<proc.post.args.length&&proc.post.args[i].lvalue){throw new Error("cwise: post() block may not write to array shape")}}else if(typeof arg_type==="object"&&arg_type.offset){proc.argTypes[i]="offset";proc.offsetArgs.push({array:arg_type.array,offset:arg_type.offset});proc.offsetArgIndex.push(i)}else{throw new Error("cwise: Unknown argument type "+proc_args[i])}}if(proc.arrayArgs.length<=0){throw new Error("cwise: No array arguments specified")}if(proc.pre.args.length>proc_args.length){throw new Error("cwise: Too many arguments in pre() block")}if(proc.body.args.length>proc_args.length){throw new Error("cwise: Too many arguments in body() block")}if(proc.post.args.length>proc_args.length){throw new Error("cwise: Too many arguments in post() block")}proc.debug=!!user_args.printCode||!!user_args.debug;proc.funcName=user_args.funcName||"cwise";proc.blockSize=user_args.blockSize||64;return createThunk(proc)}module.exports=compileCwise},{"./lib/thunk.js":22}],21:[function(require,module,exports){"use strict";var uniq=require("uniq");function innerFill(order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,has_index=proc.indexArgs.length>0,code=[],vars=[],idx=0,pidx=0,i,j;

for(i=0;i<dimension;++i){vars.push(["i",i,"=0"].join(""))}for(j=0;j<nargs;++j){for(i=0;i<dimension;++i){pidx=idx;idx=order[i];if(i===0){vars.push(["d",j,"s",i,"=t",j,"p",idx].join(""))}else{vars.push(["d",j,"s",i,"=(t",j,"p",idx,"-s",pidx,"*t",j,"p",pidx,")"].join(""))}}}code.push("var "+vars.join(","));for(i=dimension-1;i>=0;--i){idx=order[i];code.push(["for(i",i,"=0;i",i,"<s",idx,";++i",i,"){"].join(""))}code.push(body);for(i=0;i<dimension;++i){pidx=idx;idx=order[i];for(j=0;j<nargs;++j){code.push(["p",j,"+=d",j,"s",i].join(""))}if(has_index){if(i>0){code.push(["index[",pidx,"]-=s",pidx].join(""))}code.push(["++index[",idx,"]"].join(""))}code.push("}")}return code.join("\n")}function outerFill(matched,order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,blockSize=proc.blockSize,has_index=proc.indexArgs.length>0,code=[];for(var i=0;i<nargs;++i){code.push(["var offset",i,"=p",i].join(""))}for(var i=matched;i<dimension;++i){code.push(["for(var j"+i+"=SS[",order[i],"]|0;j",i,">0;){"].join(""));code.push(["if(j",i,"<",blockSize,"){"].join(""));code.push(["s",order[i],"=j",i].join(""));code.push(["j",i,"=0"].join(""));code.push(["}else{s",order[i],"=",blockSize].join(""));code.push(["j",i,"-=",blockSize,"}"].join(""));if(has_index){code.push(["index[",order[i],"]=j",i].join(""))}}for(var i=0;i<nargs;++i){var indexStr=["offset"+i];for(var j=matched;j<dimension;++j){indexStr.push(["j",j,"*t",i,"p",order[j]].join(""))}code.push(["p",i,"=(",indexStr.join("+"),")"].join(""))}code.push(innerFill(order,proc,body));for(var i=matched;i<dimension;++i){code.push("}")}return code.join("\n")}function countMatches(orders){var matched=0,dimension=orders[0].length;while(matched<dimension){for(var j=1;j<orders.length;++j){if(orders[j][matched]!==orders[0][matched]){return matched}}++matched}return matched}function processBlock(block,proc,dtypes){var code=block.body;var pre=[];var post=[];for(var i=0;i<block.args.length;++i){var carg=block.args[i];if(carg.count<=0){continue}var re=new RegExp(carg.name,"g");var ptrStr="";var arrNum=proc.arrayArgs.indexOf(i);switch(proc.argTypes[i]){case"offset":var offArgIndex=proc.offsetArgIndex.indexOf(i);var offArg=proc.offsetArgs[offArgIndex];arrNum=offArg.array;ptrStr="+q"+offArgIndex;case"array":ptrStr="p"+arrNum+ptrStr;var localStr="l"+i;var arrStr="a"+arrNum;if(proc.arrayBlockIndices[arrNum]===0){if(carg.count===1){if(dtypes[arrNum]==="generic"){if(carg.lvalue){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}else{code=code.replace(re,[arrStr,".get(",ptrStr,")"].join(""))}}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}else if(dtypes[arrNum]==="generic"){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}}else{pre.push(["var ",localStr,"=",arrStr,"[",ptrStr,"]"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,"[",ptrStr,"]=",localStr].join(""))}}}else{var reStrArr=[carg.name],ptrStrArr=[ptrStr];for(var j=0;j<Math.abs(proc.arrayBlockIndices[arrNum]);j++){reStrArr.push("\\s*\\[([^\\]]+)\\]");ptrStrArr.push("$"+(j+1)+"*t"+arrNum+"b"+j)}re=new RegExp(reStrArr.join(""),"g");ptrStr=ptrStrArr.join("+");if(dtypes[arrNum]==="generic"){throw new Error("cwise: Generic arrays not supported in combination with blocks!")}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}break;case"scalar":code=code.replace(re,"Y"+proc.scalarArgs.indexOf(i));break;case"index":code=code.replace(re,"index");break;case"shape":code=code.replace(re,"shape");break}}return[pre.join("\n"),code,post.join("\n")].join("\n").trim()}function typeSummary(dtypes){var summary=new Array(dtypes.length);var allEqual=true;for(var i=0;i<dtypes.length;++i){var t=dtypes[i];var digits=t.match(/\d+/);if(!digits){digits=""}else{digits=digits[0]}if(t.charAt(0)===0){summary[i]="u"+t.charAt(1)+digits}else{summary[i]=t.charAt(0)+digits}if(i>0){allEqual=allEqual&&summary[i]===summary[i-1]}}if(allEqual){return summary[0]}return summary.join("")}function generateCWiseOp(proc,typesig){var dimension=typesig[1].length-Math.abs(proc.arrayBlockIndices[0])|0;var orders=new Array(proc.arrayArgs.length);var dtypes=new Array(proc.arrayArgs.length);for(var i=0;i<proc.arrayArgs.length;++i){dtypes[i]=typesig[2*i];orders[i]=typesig[2*i+1]}var blockBegin=[],blockEnd=[];var loopBegin=[],loopEnd=[];var loopOrders=[];for(var i=0;i<proc.arrayArgs.length;++i){if(proc.arrayBlockIndices[i]<0){loopBegin.push(0);loopEnd.push(dimension);blockBegin.push(dimension);blockEnd.push(dimension+proc.arrayBlockIndices[i])}else{loopBegin.push(proc.arrayBlockIndices[i]);loopEnd.push(proc.arrayBlockIndices[i]+dimension);blockBegin.push(0);blockEnd.push(proc.arrayBlockIndices[i])}var newOrder=[];for(var j=0;j<orders[i].length;j++){if(loopBegin[i]<=orders[i][j]&&orders[i][j]<loopEnd[i]){newOrder.push(orders[i][j]-loopBegin[i])}}loopOrders.push(newOrder)}var arglist=["SS"];var code=["'use strict'"];var vars=[];for(var j=0;j<dimension;++j){vars.push(["s",j,"=SS[",j,"]"].join(""))}for(var i=0;i<proc.arrayArgs.length;++i){arglist.push("a"+i);arglist.push("t"+i);arglist.push("p"+i);for(var j=0;j<dimension;++j){vars.push(["t",i,"p",j,"=t",i,"[",loopBegin[i]+j,"]"].join(""))}for(var j=0;j<Math.abs(proc.arrayBlockIndices[i]);++j){vars.push(["t",i,"b",j,"=t",i,"[",blockBegin[i]+j,"]"].join(""))}}for(var i=0;i<proc.scalarArgs.length;++i){arglist.push("Y"+i)}if(proc.shapeArgs.length>0){vars.push("shape=SS.slice(0)")}if(proc.indexArgs.length>0){var zeros=new Array(dimension);for(var i=0;i<dimension;++i){zeros[i]="0"}vars.push(["index=[",zeros.join(","),"]"].join(""))}for(var i=0;i<proc.offsetArgs.length;++i){var off_arg=proc.offsetArgs[i];var init_string=[];for(var j=0;j<off_arg.offset.length;++j){if(off_arg.offset[j]===0){continue}else if(off_arg.offset[j]===1){init_string.push(["t",off_arg.array,"p",j].join(""))}else{init_string.push([off_arg.offset[j],"*t",off_arg.array,"p",j].join(""))}}if(init_string.length===0){vars.push("q"+i+"=0")}else{vars.push(["q",i,"=",init_string.join("+")].join(""))}}var thisVars=uniq([].concat(proc.pre.thisVars).concat(proc.body.thisVars).concat(proc.post.thisVars));vars=vars.concat(thisVars);code.push("var "+vars.join(","));for(var i=0;i<proc.arrayArgs.length;++i){code.push("p"+i+"|=0")}if(proc.pre.body.length>3){code.push(processBlock(proc.pre,proc,dtypes))}var body=processBlock(proc.body,proc,dtypes);var matched=countMatches(loopOrders);if(matched<dimension){code.push(outerFill(matched,loopOrders[0],proc,body))}else{code.push(innerFill(loopOrders[0],proc,body))}if(proc.post.body.length>3){code.push(processBlock(proc.post,proc,dtypes))}if(proc.debug){console.log("-----Generated cwise routine for ",typesig,":\n"+code.join("\n")+"\n----------")}var loopName=[proc.funcName||"unnamed","_cwise_loop_",orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("");var f=new Function(["function ",loopName,"(",arglist.join(","),"){",code.join("\n"),"} return ",loopName].join(""));return f()}module.exports=generateCWiseOp},{uniq:23}],22:[function(require,module,exports){"use strict";var compile=require("./compile.js");function createThunk(proc){var code=["'use strict'","var CACHED={}"];var vars=[];var thunkName=proc.funcName+"_cwise_thunk";code.push(["return function ",thunkName,"(",proc.shimArgs.join(","),"){"].join(""));var typesig=[];var string_typesig=[];var proc_args=[["array",proc.arrayArgs[0],".shape.slice(",Math.max(0,proc.arrayBlockIndices[0]),proc.arrayBlockIndices[0]<0?","+proc.arrayBlockIndices[0]+")":")"].join("")];var shapeLengthConditions=[],shapeConditions=[];for(var i=0;i<proc.arrayArgs.length;++i){var j=proc.arrayArgs[i];vars.push(["t",j,"=array",j,".dtype,","r",j,"=array",j,".order"].join(""));typesig.push("t"+j);typesig.push("r"+j);string_typesig.push("t"+j);string_typesig.push("r"+j+".join()");proc_args.push("array"+j+".data");proc_args.push("array"+j+".stride");proc_args.push("array"+j+".offset|0");if(i>0){shapeLengthConditions.push("array"+proc.arrayArgs[0]+".shape.length===array"+j+".shape.length+"+(Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i])));shapeConditions.push("array"+proc.arrayArgs[0]+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[0])+"]===array"+j+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[i])+"]")}}if(proc.arrayArgs.length>1){code.push("if (!("+shapeLengthConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same dimensionality!')");code.push("for(var shapeIndex=array"+proc.arrayArgs[0]+".shape.length-"+Math.abs(proc.arrayBlockIndices[0])+"; shapeIndex-->0;) {");code.push("if (!("+shapeConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same shape!')");code.push("}")}for(var i=0;i<proc.scalarArgs.length;++i){proc_args.push("scalar"+proc.scalarArgs[i])}vars.push(["type=[",string_typesig.join(","),"].join()"].join(""));vars.push("proc=CACHED[type]");code.push("var "+vars.join(","));code.push(["if(!proc){","CACHED[type]=proc=compile([",typesig.join(","),"])}","return proc(",proc_args.join(","),")}"].join(""));if(proc.debug){console.log("-----Generated thunk:\n"+code.join("\n")+"\n----------")}var thunk=new Function("compile",code.join("\n"));return thunk(compile.bind(undefined,proc))}module.exports=createThunk},{"./compile.js":21}],23:[function(require,module,exports){"use strict";function unique_pred(list,compare){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i){b=a;a=list[i];if(compare(a,b)){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique_eq(list){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i,b=a){b=a;a=list[i];if(a!==b){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique(list,compare,sorted){if(list.length===0){return list}if(compare){if(!sorted){list.sort(compare)}return unique_pred(list,compare)}if(!sorted){list.sort()}return unique_eq(list)}module.exports=unique},{}],24:[function(require,module,exports){module.exports=invert;function invert(out,a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15],b00=a00*a11-a01*a10,b01=a00*a12-a02*a10,b02=a00*a13-a03*a10,b03=a01*a12-a02*a11,b04=a01*a13-a03*a11,b05=a02*a13-a03*a12,b06=a20*a31-a21*a30,b07=a20*a32-a22*a30,b08=a20*a33-a23*a30,b09=a21*a32-a22*a31,b10=a21*a33-a23*a31,b11=a22*a33-a23*a32,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;if(!det){return null}det=1/det;out[0]=(a11*b11-a12*b10+a13*b09)*det;out[1]=(a02*b10-a01*b11-a03*b09)*det;out[2]=(a31*b05-a32*b04+a33*b03)*det;out[3]=(a22*b04-a21*b05-a23*b03)*det;out[4]=(a12*b08-a10*b11-a13*b07)*det;out[5]=(a00*b11-a02*b08+a03*b07)*det;out[6]=(a32*b02-a30*b05-a33*b01)*det;out[7]=(a20*b05-a22*b02+a23*b01)*det;out[8]=(a10*b10-a11*b08+a13*b06)*det;out[9]=(a01*b08-a00*b10-a03*b06)*det;out[10]=(a30*b04-a31*b02+a33*b00)*det;out[11]=(a21*b02-a20*b04-a23*b00)*det;out[12]=(a11*b07-a10*b09-a12*b06)*det;out[13]=(a00*b09-a01*b07+a02*b06)*det;out[14]=(a31*b01-a30*b03-a32*b00)*det;out[15]=(a20*b03-a21*b01+a22*b00)*det;return out}},{}],25:[function(require,module,exports){module.exports=multiply;function multiply(out,a,b){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15];var b0=b[0],b1=b[1],b2=b[2],b3=b[3];out[0]=b0*a00+b1*a10+b2*a20+b3*a30;out[1]=b0*a01+b1*a11+b2*a21+b3*a31;out[2]=b0*a02+b1*a12+b2*a22+b3*a32;out[3]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[4];b1=b[5];b2=b[6];b3=b[7];out[4]=b0*a00+b1*a10+b2*a20+b3*a30;out[5]=b0*a01+b1*a11+b2*a21+b3*a31;out[6]=b0*a02+b1*a12+b2*a22+b3*a32;out[7]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[8];b1=b[9];b2=b[10];b3=b[11];out[8]=b0*a00+b1*a10+b2*a20+b3*a30;out[9]=b0*a01+b1*a11+b2*a21+b3*a31;out[10]=b0*a02+b1*a12+b2*a22+b3*a32;out[11]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[12];b1=b[13];b2=b[14];b3=b[15];out[12]=b0*a00+b1*a10+b2*a20+b3*a30;out[13]=b0*a01+b1*a11+b2*a21+b3*a31;out[14]=b0*a02+b1*a12+b2*a22+b3*a32;out[15]=b0*a03+b1*a13+b2*a23+b3*a33;return out}},{}],26:[function(require,module,exports){"use strict";var createUniformWrapper=require("./lib/create-uniforms");var createAttributeWrapper=require("./lib/create-attributes");var makeReflect=require("./lib/reflect");var shaderCache=require("./lib/shader-cache");var runtime=require("./lib/runtime-reflect");function Shader(gl){this.gl=gl;this._vref=this._fref=this._relink=this.vertShader=this.fragShader=this.program=this.attributes=this.uniforms=this.types=null}var proto=Shader.prototype;proto.bind=function(){if(!this.program){this._relink()}this.gl.useProgram(this.program)};proto.dispose=function(){if(this._fref){this._fref.dispose()}if(this._vref){this._vref.dispose()}this.attributes=this.types=this.vertShader=this.fragShader=this.program=this._relink=this._fref=this._vref=null};function compareAttributes(a,b){if(a.name<b.name){return-1}return 1}proto.update=function(vertSource,fragSource,uniforms,attributes){if(!fragSource||arguments.length===1){var obj=vertSource;vertSource=obj.vertex;fragSource=obj.fragment;uniforms=obj.uniforms;attributes=obj.attributes}var wrapper=this;var gl=wrapper.gl;var pvref=wrapper._vref;wrapper._vref=shaderCache.shader(gl,gl.VERTEX_SHADER,vertSource);if(pvref){pvref.dispose()}wrapper.vertShader=wrapper._vref.shader;var pfref=this._fref;wrapper._fref=shaderCache.shader(gl,gl.FRAGMENT_SHADER,fragSource);if(pfref){pfref.dispose()}wrapper.fragShader=wrapper._fref.shader;if(!uniforms||!attributes){var testProgram=gl.createProgram();gl.attachShader(testProgram,wrapper.fragShader);gl.attachShader(testProgram,wrapper.vertShader);gl.linkProgram(testProgram);if(!gl.getProgramParameter(testProgram,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(testProgram);console.error("gl-shader: Error linking program:",errLog);throw new Error("gl-shader: Error linking program:"+errLog)}uniforms=uniforms||runtime.uniforms(gl,testProgram);attributes=attributes||runtime.attributes(gl,testProgram);gl.deleteProgram(testProgram)}attributes=attributes.slice();attributes.sort(compareAttributes);var attributeUnpacked=[];var attributeNames=[];var attributeLocations=[];for(var i=0;i<attributes.length;++i){var attr=attributes[i];if(attr.type.indexOf("mat")>=0){var size=attr.type.charAt(attr.type.length-1)|0;var locVector=new Array(size);for(var j=0;j<size;++j){locVector[j]=attributeLocations.length;attributeNames.push(attr.name+"["+j+"]");if(typeof attr.location==="number"){attributeLocations.push(attr.location+j)}else if(Array.isArray(attr.location)&&attr.location.length===size&&typeof attr.location[j]==="number"){attributeLocations.push(attr.location[j]|0)}else{attributeLocations.push(-1)}}attributeUnpacked.push({name:attr.name,type:attr.type,locations:locVector})}else{attributeUnpacked.push({name:attr.name,type:attr.type,locations:[attributeLocations.length]});attributeNames.push(attr.name);if(typeof attr.location==="number"){attributeLocations.push(attr.location|0)}else{attributeLocations.push(-1)}}}var curLocation=0;for(var i=0;i<attributeLocations.length;++i){if(attributeLocations[i]<0){while(attributeLocations.indexOf(curLocation)>=0){curLocation+=1}attributeLocations[i]=curLocation}}var uniformLocations=new Array(uniforms.length);function relink(){wrapper.program=shaderCache.program(gl,wrapper._vref,wrapper._fref,attributeNames,attributeLocations);for(var i=0;i<uniforms.length;++i){uniformLocations[i]=gl.getUniformLocation(wrapper.program,uniforms[i].name)}}relink();wrapper._relink=relink;wrapper.types={uniforms:makeReflect(uniforms),attributes:makeReflect(attributes)};wrapper.attributes=createAttributeWrapper(gl,wrapper,attributeUnpacked,attributeLocations);Object.defineProperty(wrapper,"uniforms",createUniformWrapper(gl,wrapper,uniforms,uniformLocations))};function createShader(gl,vertSource,fragSource,uniforms,attributes){var shader=new Shader(gl);shader.update(vertSource,fragSource,uniforms,attributes);return shader}module.exports=createShader},{"./lib/create-attributes":27,"./lib/create-uniforms":28,"./lib/reflect":29,"./lib/runtime-reflect":30,"./lib/shader-cache":31}],27:[function(require,module,exports){"use strict";module.exports=createAttributeWrapper;function ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc){this._gl=gl;this._wrapper=wrapper;this._index=index;this._locations=locations;this._dimension=dimension;this._constFunc=constFunc}var proto=ShaderAttribute.prototype;proto.pointer=function setAttribPointer(type,normalized,stride,offset){var self=this;var gl=self._gl;var location=self._locations[self._index];gl.vertexAttribPointer(location,self._dimension,type||gl.FLOAT,!!normalized,stride||0,offset||0);gl.enableVertexAttribArray(location)};proto.set=function(x0,x1,x2,x3){return this._constFunc(this._locations[this._index],x0,x1,x2,x3)};Object.defineProperty(proto,"location",{get:function(){return this._locations[this._index]},set:function(v){if(v!==this._locations[this._index]){this._locations[this._index]=v|0;this._wrapper.program=null}return v|0}});function addVectorAttribute(gl,wrapper,index,locations,dimension,obj,name){var constFuncArgs=["gl","v"];var varNames=[];for(var i=0;i<dimension;++i){constFuncArgs.push("x"+i);varNames.push("x"+i)}constFuncArgs.push("if(x0.length===void 0){return gl.vertexAttrib"+dimension+"f(v,"+varNames.join()+")}else{return gl.vertexAttrib"+dimension+"fv(v,x0)}");var constFunc=Function.apply(null,constFuncArgs);var attr=new ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc);Object.defineProperty(obj,name,{set:function(x){gl.disableVertexAttribArray(locations[index]);constFunc(gl,locations[index],x);return x},get:function(){return attr},enumerable:true})}function addMatrixAttribute(gl,wrapper,index,locations,dimension,obj,name){var parts=new Array(dimension);var attrs=new Array(dimension);for(var i=0;i<dimension;++i){addVectorAttribute(gl,wrapper,index[i],locations,dimension,parts,i);attrs[i]=parts[i]}Object.defineProperty(parts,"location",{set:function(v){if(Array.isArray){for(var i=0;i<dimension;++i){attrs[i].location=v[i]}}else{for(var i=0;i<dimension;++i){result[i]=attrs[i].location=v+i}}return v},get:function(){var result=new Array(dimension);for(var i=0;i<dimension;++i){result[i]=locations[index[i]]}return result},enumerable:true});parts.pointer=function(type,normalized,stride,offset){type=type||gl.FLOAT;normalized=!!normalized;stride=stride||dimension*dimension;offset=offset||0;for(var i=0;i<dimension;++i){var location=locations[index[i]];gl.vertexAttribPointer(location,dimension,type,normalized,stride,offset+i*dimension);gl.enableVertexAttribArray(location)}};var scratch=new Array(dimension);var vertexAttrib=gl["vertexAttrib"+dimension+"fv"];Object.defineProperty(obj,name,{set:function(x){for(var i=0;i<dimension;++i){var loc=locations[index[i]];gl.disableVertexAttribArray(loc);if(Array.isArray(x[0])){vertexAttrib.call(gl,loc,x[i])}else{for(var j=0;j<dimension;++j){scratch[j]=x[dimension*i+j]}vertexAttrib.call(gl,loc,scratch)}}return x},get:function(){return parts},enumerable:true})}function createAttributeWrapper(gl,wrapper,attributes,locations){var obj={};for(var i=0,n=attributes.length;i<n;++i){var a=attributes[i];var name=a.name;var type=a.type;var locs=a.locations;switch(type){case"bool":case"int":case"float":addVectorAttribute(gl,wrapper,locs[0],locations,1,obj,name);break;default:if(type.indexOf("vec")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type for attribute "+name+": "+type)}addVectorAttribute(gl,wrapper,locs[0],locations,d,obj,name)}else if(type.indexOf("mat")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type for attribute "+name+": "+type)}addMatrixAttribute(gl,wrapper,locs,locations,d,obj,name)}else{throw new Error("gl-shader: Unknown data type for attribute "+name+": "+type)}break}}return obj}},{}],28:[function(require,module,exports){"use strict";var coallesceUniforms=require("./reflect");module.exports=createUniformWrapper;function identity(x){var c=new Function("y","return function(){return y}");return c(x)}function makeVector(length,fill){var result=new Array(length);for(var i=0;i<length;++i){result[i]=fill}return result}function createUniformWrapper(gl,wrapper,uniforms,locations){function makeGetter(index){var proc=new Function("gl","wrapper","locations","return function(){return gl.getUniform(wrapper.program,locations["+index+"])}");return proc(gl,wrapper,locations)}function makePropSetter(path,index,type){switch(type){case"bool":case"int":case"sampler2D":case"samplerCube":return"gl.uniform1i(locations["+index+"],obj"+path+")";case"float":return"gl.uniform1f(locations["+index+"],obj"+path+")";default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type")}switch(type.charAt(0)){case"b":case"i":return"gl.uniform"+d+"iv(locations["+index+"],obj"+path+")";case"v":return"gl.uniform"+d+"fv(locations["+index+"],obj"+path+")";default:throw new Error("gl-shader: Unrecognized data type for vector "+name+": "+type)}}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return"gl.uniformMatrix"+d+"fv(locations["+index+"],false,obj"+path+")"}else{throw new Error("gl-shader: Unknown uniform data type for "+name+": "+type)}break}}function enumerateIndices(prefix,type){if(typeof type!=="object"){return[[prefix,type]]}var indices=[];for(var id in type){var prop=type[id];var tprefix=prefix;if(parseInt(id)+""===id){tprefix+="["+id+"]"}else{tprefix+="."+id}if(typeof prop==="object"){indices.push.apply(indices,enumerateIndices(tprefix,prop))}else{indices.push([tprefix,prop])}}return indices}function makeSetter(type){var code=["return function updateProperty(obj){"];var indices=enumerateIndices("",type);for(var i=0;i<indices.length;++i){var item=indices[i];var path=item[0];var idx=item[1];if(locations[idx]){code.push(makePropSetter(path,idx,uniforms[idx].type))}}code.push("return obj}");var proc=new Function("gl","locations",code.join("\n"));return proc(gl,locations)}function defaultValue(type){switch(type){case"bool":return false;case"int":case"sampler2D":case"samplerCube":return 0;case"float":return 0;default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type")}if(type.charAt(0)==="b"){return makeVector(d,false)}return makeVector(d,0)}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return makeVector(d*d,0)}else{throw new Error("gl-shader: Unknown uniform data type for "+name+": "+type)}break}}function storeProperty(obj,prop,type){if(typeof type==="object"){var child=processObject(type);Object.defineProperty(obj,prop,{get:identity(child),set:makeSetter(type),enumerable:true,configurable:false})}else{if(locations[type]){Object.defineProperty(obj,prop,{get:makeGetter(type),set:makeSetter(type),enumerable:true,configurable:false})}else{obj[prop]=defaultValue(uniforms[type].type)}}}function processObject(obj){var result;if(Array.isArray(obj)){result=new Array(obj.length);for(var i=0;i<obj.length;++i){storeProperty(result,i,obj[i])}}else{result={};for(var id in obj){storeProperty(result,id,obj[id])}}return result}var coallesced=coallesceUniforms(uniforms,true);return{get:identity(processObject(coallesced)),set:makeSetter(coallesced),enumerable:true,configurable:true}}},{"./reflect":29}],29:[function(require,module,exports){"use strict";module.exports=makeReflectTypes;function makeReflectTypes(uniforms,useIndex){var obj={};for(var i=0;i<uniforms.length;++i){var n=uniforms[i].name;var parts=n.split(".");var o=obj;for(var j=0;j<parts.length;++j){var x=parts[j].split("[");if(x.length>1){if(!(x[0]in o)){o[x[0]]=[]}o=o[x[0]];for(var k=1;k<x.length;++k){var y=parseInt(x[k]);if(k<x.length-1||j<parts.length-1){if(!(y in o)){if(k<x.length-1){o[y]=[]}else{o[y]={}}}o=o[y]}else{if(useIndex){o[y]=i}else{o[y]=uniforms[i].type}}}}else if(j<parts.length-1){if(!(x[0]in o)){o[x[0]]={}}o=o[x[0]]}else{if(useIndex){o[x[0]]=i}else{o[x[0]]=uniforms[i].type}}}}return obj}},{}],30:[function(require,module,exports){"use strict";exports.uniforms=runtimeUniforms;exports.attributes=runtimeAttributes;var GL_TO_GLSL_TYPES={FLOAT:"float",FLOAT_VEC2:"vec2",FLOAT_VEC3:"vec3",FLOAT_VEC4:"vec4",INT:"int",INT_VEC2:"ivec2",INT_VEC3:"ivec3",INT_VEC4:"ivec4",BOOL:"bool",BOOL_VEC2:"bvec2",BOOL_VEC3:"bvec3",BOOL_VEC4:"bvec4",FLOAT_MAT2:"mat2",FLOAT_MAT3:"mat3",FLOAT_MAT4:"mat4",SAMPLER_2D:"sampler2D",SAMPLER_CUBE:"samplerCube"};var GL_TABLE=null;function getType(gl,type){if(!GL_TABLE){var typeNames=Object.keys(GL_TO_GLSL_TYPES);GL_TABLE={};for(var i=0;i<typeNames.length;++i){var tn=typeNames[i];GL_TABLE[gl[tn]]=GL_TO_GLSL_TYPES[tn]}}return GL_TABLE[type]}function runtimeUniforms(gl,program){var numUniforms=gl.getProgramParameter(program,gl.ACTIVE_UNIFORMS);var result=[];for(var i=0;i<numUniforms;++i){var info=gl.getActiveUniform(program,i);if(info){var type=getType(gl,info.type);if(info.size>1){for(var j=0;j<info.size;++j){result.push({name:info.name.replace("[0]","["+j+"]"),type:type})}}else{result.push({name:info.name,type:type})}}}return result}function runtimeAttributes(gl,program){var numAttributes=gl.getProgramParameter(program,gl.ACTIVE_ATTRIBUTES);var result=[];for(var i=0;i<numAttributes;++i){var info=gl.getActiveAttrib(program,i);if(info){result.push({name:info.name,type:getType(gl,info.type)})}}return result}},{}],31:[function(require,module,exports){"use strict";exports.shader=getShaderReference;exports.program=createProgram;var weakMap=typeof WeakMap==="undefined"?require("weakmap-shim"):WeakMap;var CACHE=new weakMap;var SHADER_COUNTER=0;function ShaderReference(id,src,type,shader,programs,count,cache){this.id=id;this.src=src;this.type=type;this.shader=shader;this.count=count;this.programs=[];this.cache=cache}ShaderReference.prototype.dispose=function(){if(--this.count===0){var cache=this.cache;var gl=cache.gl;var programs=this.programs;for(var i=0,n=programs.length;i<n;++i){var p=cache.programs[programs[i]];if(p){delete cache.programs[i];gl.deleteProgram(p)}}gl.deleteShader(this.shader);delete cache.shaders[this.type===gl.FRAGMENT_SHADER|0][this.src]}};function ContextCache(gl){this.gl=gl;this.shaders=[{},{}];this.programs={}}var proto=ContextCache.prototype;function compileShader(gl,type,src){var shader=gl.createShader(type);gl.shaderSource(shader,src);gl.compileShader(shader);if(!gl.getShaderParameter(shader,gl.COMPILE_STATUS)){var errLog=gl.getShaderInfoLog(shader);console.error("gl-shader: Error compiling shader:",errLog);throw new Error("gl-shader: Error compiling shader:"+errLog)}return shader}proto.getShaderReference=function(type,src){var gl=this.gl;var shaders=this.shaders[type===gl.FRAGMENT_SHADER|0];var shader=shaders[src];if(!shader||!gl.isShader(shader.shader)){var shaderObj=compileShader(gl,type,src);shader=shaders[src]=new ShaderReference(SHADER_COUNTER++,src,type,shaderObj,[],1,this)}else{shader.count+=1}return shader};function linkProgram(gl,vshader,fshader,attribs,locations){var program=gl.createProgram();gl.attachShader(program,vshader);gl.attachShader(program,fshader);for(var i=0;i<attribs.length;++i){gl.bindAttribLocation(program,locations[i],attribs[i])}gl.linkProgram(program);if(!gl.getProgramParameter(program,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(program);console.error("gl-shader: Error linking program:",errLog);throw new Error("gl-shader: Error linking program:"+errLog)}return program}proto.getProgram=function(vref,fref,attribs,locations){var token=[vref.id,fref.id,attribs.join(":"),locations.join(":")].join("@");var prog=this.programs[token];if(!prog||!this.gl.isProgram(prog)){this.programs[token]=prog=linkProgram(this.gl,vref.shader,fref.shader,attribs,locations);vref.programs.push(token);fref.programs.push(token)}return prog};function getCache(gl){var ctxCache=CACHE.get(gl);if(!ctxCache){ctxCache=new ContextCache(gl);CACHE.set(gl,ctxCache)}return ctxCache}function getShaderReference(gl,type,src){return getCache(gl).getShaderReference(type,src)}function createProgram(gl,vref,fref,attribs,locations){return getCache(gl).getProgram(vref,fref,attribs,locations)}},{"weakmap-shim":34}],32:[function(require,module,exports){var hiddenStore=require("./hidden-store.js");module.exports=createStore;function createStore(){var key={};return function(obj){if((typeof obj!=="object"||obj===null)&&typeof obj!=="function"){throw new Error("Weakmap-shim: Key must be object")}var store=obj.valueOf(key);return store&&store.identity===key?store:hiddenStore(obj,key)}}},{"./hidden-store.js":33}],33:[function(require,module,exports){module.exports=hiddenStore;function hiddenStore(obj,key){var store={identity:key};var valueOf=obj.valueOf;Object.defineProperty(obj,"valueOf",{value:function(value){return value!==key?valueOf.apply(this,arguments):store},writable:true});return store}},{}],34:[function(require,module,exports){var createStore=require("./create-store.js");module.exports=weakMap;function weakMap(){var privates=createStore();return{get:function(key,fallback){var store=privates(key);return store.hasOwnProperty("value")?store.value:fallback},set:function(key,value){privates(key).value=value},has:function(key){return"value"in privates(key)},"delete":function(key){return delete privates(key).value}}}},{"./create-store.js":32}],35:[function(require,module,exports){arguments[4][19][0].apply(exports,arguments)},{"cwise-compiler":36,dup:19}],36:[function(require,module,exports){arguments[4][20][0].apply(exports,arguments)},{"./lib/thunk.js":38,dup:20}],37:[function(require,module,exports){arguments[4][21][0].apply(exports,arguments)},{dup:21,uniq:39}],38:[function(require,module,exports){arguments[4][22][0].apply(exports,arguments)},{"./compile.js":37,dup:22}],39:[function(require,module,exports){arguments[4][23][0].apply(exports,arguments)},{dup:23}],40:[function(require,module,exports){"use strict";var ndarray=require("ndarray");var ops=require("ndarray-ops");var pool=require("typedarray-pool");module.exports=createTexture2D;var linearTypes=null;var filterTypes=null;var wrapTypes=null;function lazyInitLinearTypes(gl){linearTypes=[gl.LINEAR,gl.NEAREST_MIPMAP_LINEAR,gl.LINEAR_MIPMAP_NEAREST,gl.LINEAR_MIPMAP_NEAREST];filterTypes=[gl.NEAREST,gl.LINEAR,gl.NEAREST_MIPMAP_NEAREST,gl.NEAREST_MIPMAP_LINEAR,gl.LINEAR_MIPMAP_NEAREST,gl.LINEAR_MIPMAP_LINEAR];wrapTypes=[gl.REPEAT,gl.CLAMP_TO_EDGE,gl.MIRRORED_REPEAT]}var convertFloatToUint8=function(out,inp){ops.muls(out,inp,255)};function reshapeTexture(tex,w,h){var gl=tex.gl;var maxSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(w<0||w>maxSize||h<0||h>maxSize){throw new Error("gl-texture2d: Invalid texture size")}tex._shape=[w,h];tex.bind();gl.texImage2D(gl.TEXTURE_2D,0,tex.format,w,h,0,tex.format,tex.type,null);tex._mipLevels=[0];return tex}function Texture2D(gl,handle,width,height,format,type){this.gl=gl;this.handle=handle;this.format=format;this.type=type;this._shape=[width,height];this._mipLevels=[0];this._magFilter=gl.NEAREST;this._minFilter=gl.NEAREST;this._wrapS=gl.CLAMP_TO_EDGE;this._wrapT=gl.CLAMP_TO_EDGE;this._anisoSamples=1;var parent=this;var wrapVector=[this._wrapS,this._wrapT];Object.defineProperties(wrapVector,[{get:function(){return parent._wrapS},set:function(v){return parent.wrapS=v}},{get:function(){return parent._wrapT},set:function(v){return parent.wrapT=v}}]);this._wrapVector=wrapVector;var shapeVector=[this._shape[0],this._shape[1]];

Object.defineProperties(shapeVector,[{get:function(){return parent._shape[0]},set:function(v){return parent.width=v}},{get:function(){return parent._shape[1]},set:function(v){return parent.height=v}}]);this._shapeVector=shapeVector}var proto=Texture2D.prototype;Object.defineProperties(proto,{minFilter:{get:function(){return this._minFilter},set:function(v){this.bind();var gl=this.gl;if(this.type===gl.FLOAT&&linearTypes.indexOf(v)>=0){if(!gl.getExtension("OES_texture_float_linear")){v=gl.NEAREST}}if(filterTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown filter mode "+v)}gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,v);return this._minFilter=v}},magFilter:{get:function(){return this._magFilter},set:function(v){this.bind();var gl=this.gl;if(this.type===gl.FLOAT&&linearTypes.indexOf(v)>=0){if(!gl.getExtension("OES_texture_float_linear")){v=gl.NEAREST}}if(filterTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown filter mode "+v)}gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,v);return this._magFilter=v}},mipSamples:{get:function(){return this._anisoSamples},set:function(i){var psamples=this._anisoSamples;this._anisoSamples=Math.max(i,1)|0;if(psamples!==this._anisoSamples){var ext=gl.getExtension("EXT_texture_filter_anisotropic");if(ext){this.gl.texParameterf(this.gl.TEXTURE_2D,ext.TEXTURE_MAX_ANISOTROPY_EXT,this._anisoSamples)}}return this._anisoSamples}},wrapS:{get:function(){return this._wrapS},set:function(v){this.bind();if(wrapTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_S,v);return this._wrapS=v}},wrapT:{get:function(){return this._wrapT},set:function(v){this.bind();if(wrapTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_T,v);return this._wrapT=v}},wrap:{get:function(){return this._wrapVector},set:function(v){if(!Array.isArray(v)){v=[v,v]}if(v.length!==2){throw new Error("gl-texture2d: Must specify wrap mode for rows and columns")}for(var i=0;i<2;++i){if(wrapTypes.indexOf(v[i])<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}}this._wrapS=v[0];this._wrapT=v[1];var gl=this.gl;this.bind();gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,this._wrapS);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,this._wrapT);return v}},shape:{get:function(){return this._shapeVector},set:function(x){if(!Array.isArray(x)){x=[x|0,x|0]}else{if(x.length!==2){throw new Error("gl-texture2d: Invalid texture shape")}}reshapeTexture(this,x[0]|0,x[1]|0);return[x[0]|0,x[1]|0]}},width:{get:function(){return this._shape[0]},set:function(w){w=w|0;reshapeTexture(this,w,this._shape[1]);return w}},height:{get:function(){return this._shape[1]},set:function(h){h=h|0;reshapeTexture(this,this._shape[0],h);return h}}});proto.bind=function(unit){var gl=this.gl;if(unit!==undefined){gl.activeTexture(gl.TEXTURE0+(unit|0))}gl.bindTexture(gl.TEXTURE_2D,this.handle);if(unit!==undefined){return unit|0}return gl.getParameter(gl.ACTIVE_TEXTURE)-gl.TEXTURE0};proto.dispose=function(){this.gl.deleteTexture(this.handle)};proto.generateMipmap=function(){this.bind();this.gl.generateMipmap(this.gl.TEXTURE_2D);var l=Math.min(this._shape[0],this._shape[1]);for(var i=0;l>0;++i,l>>>=1){if(this._mipLevels.indexOf(i)<0){this._mipLevels.push(i)}}};proto.setPixels=function(data,x_off,y_off,mip_level){var gl=this.gl;this.bind();if(Array.isArray(x_off)){mip_level=y_off;y_off=x_off[1]|0;x_off=x_off[0]|0}else{x_off=x_off||0;y_off=y_off||0}mip_level=mip_level||0;if(data instanceof HTMLCanvasElement||data instanceof ImageData||data instanceof HTMLImageElement||data instanceof HTMLVideoElement){var needsMip=this._mipLevels.indexOf(mip_level)<0;if(needsMip){gl.texImage2D(gl.TEXTURE_2D,0,this.format,this.format,this.type,data);this._mipLevels.push(mip_level)}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,this.format,this.type,data)}}else if(data.shape&&data.stride&&data.data){if(data.shape.length<2||x_off+data.shape[1]>this._shape[1]>>>mip_level||y_off+data.shape[0]>this._shape[0]>>>mip_level||x_off<0||y_off<0){throw new Error("gl-texture2d: Texture dimensions are out of bounds")}texSubImageArray(gl,x_off,y_off,mip_level,this.format,this.type,this._mipLevels,data)}else{throw new Error("gl-texture2d: Unsupported data type")}};function isPacked(shape,stride){if(shape.length===3){return stride[2]===1&&stride[1]===shape[0]*shape[2]&&stride[0]===shape[2]}return stride[0]===1&&stride[1]===shape[0]}function texSubImageArray(gl,x_off,y_off,mip_level,cformat,ctype,mipLevels,array){var dtype=array.dtype;var shape=array.shape.slice();if(shape.length<2||shape.length>3){throw new Error("gl-texture2d: Invalid ndarray, must be 2d or 3d")}var type=0,format=0;var packed=isPacked(shape,array.stride.slice());if(dtype==="float32"){type=gl.FLOAT}else if(dtype==="float64"){type=gl.FLOAT;packed=false;dtype="float32"}else if(dtype==="uint8"){type=gl.UNSIGNED_BYTE}else{type=gl.UNSIGNED_BYTE;packed=false;dtype="uint8"}var channels=1;if(shape.length===2){format=gl.LUMINANCE;shape=[shape[0],shape[1],1];array=ndarray(array.data,shape,[array.stride[0],array.stride[1],1],array.offset)}else if(shape.length===3){if(shape[2]===1){format=gl.ALPHA}else if(shape[2]===2){format=gl.LUMINANCE_ALPHA}else if(shape[2]===3){format=gl.RGB}else if(shape[2]===4){format=gl.RGBA}else{throw new Error("gl-texture2d: Invalid shape for pixel coords")}channels=shape[2]}else{throw new Error("gl-texture2d: Invalid shape for texture")}if((format===gl.LUMINANCE||format===gl.ALPHA)&&(cformat===gl.LUMINANCE||cformat===gl.ALPHA)){format=cformat}if(format!==cformat){throw new Error("gl-texture2d: Incompatible texture format for setPixels")}var size=array.size;var needsMip=mipLevels.indexOf(mip_level)<0;if(needsMip){mipLevels.push(mip_level)}if(type===ctype&&packed){if(array.offset===0&&array.data.length===size){if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,array.data)}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,array.data)}}else{if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,array.data.subarray(array.offset,array.offset+size))}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,array.data.subarray(array.offset,array.offset+size))}}}else{var pack_buffer;if(ctype===gl.FLOAT){pack_buffer=pool.mallocFloat32(size)}else{pack_buffer=pool.mallocUint8(size)}var pack_view=ndarray(pack_buffer,shape,[shape[2],shape[2]*shape[0],1]);if(type===gl.FLOAT&&ctype===gl.UNSIGNED_BYTE){convertFloatToUint8(pack_view,array)}else{ops.assign(pack_view,array)}if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,pack_buffer.subarray(0,size))}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,pack_buffer.subarray(0,size))}if(ctype===gl.FLOAT){pool.freeFloat32(pack_buffer)}else{pool.freeUint8(pack_buffer)}}}function initTexture(gl){var tex=gl.createTexture();gl.bindTexture(gl.TEXTURE_2D,tex);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.NEAREST);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,gl.NEAREST);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE);return tex}function createTextureShape(gl,width,height,format,type){var maxTextureSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(width<0||width>maxTextureSize||height<0||height>maxTextureSize){throw new Error("gl-texture2d: Invalid texture shape")}if(type===gl.FLOAT&&!gl.getExtension("OES_texture_float")){throw new Error("gl-texture2d: Floating point textures not supported on this platform")}var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,width,height,0,format,type,null);return new Texture2D(gl,tex,width,height,format,type)}function createTextureDOM(gl,element,format,type){var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,format,type,element);return new Texture2D(gl,tex,element.width|0,element.height|0,format,type)}function createTextureArray(gl,array){var dtype=array.dtype;var shape=array.shape.slice();var maxSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(shape[0]<0||shape[0]>maxSize||shape[1]<0||shape[1]>maxSize){throw new Error("gl-texture2d: Invalid texture size")}var packed=isPacked(shape,array.stride.slice());var type=0;if(dtype==="float32"){type=gl.FLOAT}else if(dtype==="float64"){type=gl.FLOAT;packed=false;dtype="float32"}else if(dtype==="uint8"){type=gl.UNSIGNED_BYTE}else{type=gl.UNSIGNED_BYTE;packed=false;dtype="uint8"}var format=0;if(shape.length===2){format=gl.LUMINANCE;shape=[shape[0],shape[1],1];array=ndarray(array.data,shape,[array.stride[0],array.stride[1],1],array.offset)}else if(shape.length===3){if(shape[2]===1){format=gl.ALPHA}else if(shape[2]===2){format=gl.LUMINANCE_ALPHA}else if(shape[2]===3){format=gl.RGB}else if(shape[2]===4){format=gl.RGBA}else{throw new Error("gl-texture2d: Invalid shape for pixel coords")}}else{throw new Error("gl-texture2d: Invalid shape for texture")}if(type===gl.FLOAT&&!gl.getExtension("OES_texture_float")){type=gl.UNSIGNED_BYTE;packed=false}var buffer,buf_store;var size=array.size;if(!packed){var stride=[shape[2],shape[2]*shape[0],1];buf_store=pool.malloc(size,dtype);var buf_array=ndarray(buf_store,shape,stride,0);if((dtype==="float32"||dtype==="float64")&&type===gl.UNSIGNED_BYTE){convertFloatToUint8(buf_array,array)}else{ops.assign(buf_array,array)}buffer=buf_store.subarray(0,size)}else if(array.offset===0&&array.data.length===size){buffer=array.data}else{buffer=array.data.subarray(array.offset,array.offset+size)}var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,shape[0],shape[1],0,format,type,buffer);if(!packed){pool.free(buf_store)}return new Texture2D(gl,tex,shape[0],shape[1],format,type)}function createTexture2D(gl){if(arguments.length<=1){throw new Error("gl-texture2d: Missing arguments for texture2d constructor")}if(!linearTypes){lazyInitLinearTypes(gl)}if(typeof arguments[1]==="number"){return createTextureShape(gl,arguments[1],arguments[2],arguments[3]||gl.RGBA,arguments[4]||gl.UNSIGNED_BYTE)}if(Array.isArray(arguments[1])){return createTextureShape(gl,arguments[1][0]|0,arguments[1][1]|0,arguments[2]||gl.RGBA,arguments[3]||gl.UNSIGNED_BYTE)}if(typeof arguments[1]==="object"){var obj=arguments[1];if(obj instanceof HTMLCanvasElement||obj instanceof HTMLImageElement||obj instanceof HTMLVideoElement||obj instanceof ImageData){return createTextureDOM(gl,obj,arguments[2]||gl.RGBA,arguments[3]||gl.UNSIGNED_BYTE)}else if(obj.shape&&obj.data&&obj.stride){return createTextureArray(gl,obj)}}throw new Error("gl-texture2d: Invalid arguments for texture2d constructor")}},{ndarray:47,"ndarray-ops":35,"typedarray-pool":87}],41:[function(require,module,exports){"use strict";function doBind(gl,elements,attributes){if(elements){elements.bind()}else{gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,null)}var nattribs=gl.getParameter(gl.MAX_VERTEX_ATTRIBS)|0;if(attributes){if(attributes.length>nattribs){throw new Error("gl-vao: Too many vertex attributes")}for(var i=0;i<attributes.length;++i){var attrib=attributes[i];if(attrib.buffer){var buffer=attrib.buffer;var size=attrib.size||4;var type=attrib.type||gl.FLOAT;var normalized=!!attrib.normalized;var stride=attrib.stride||0;var offset=attrib.offset||0;buffer.bind();gl.enableVertexAttribArray(i);gl.vertexAttribPointer(i,size,type,normalized,stride,offset)}else{if(typeof attrib==="number"){gl.vertexAttrib1f(i,attrib)}else if(attrib.length===1){gl.vertexAttrib1f(i,attrib[0])}else if(attrib.length===2){gl.vertexAttrib2f(i,attrib[0],attrib[1])}else if(attrib.length===3){gl.vertexAttrib3f(i,attrib[0],attrib[1],attrib[2])}else if(attrib.length===4){gl.vertexAttrib4f(i,attrib[0],attrib[1],attrib[2],attrib[3])}else{throw new Error("gl-vao: Invalid vertex attribute")}gl.disableVertexAttribArray(i)}}for(;i<nattribs;++i){gl.disableVertexAttribArray(i)}}else{gl.bindBuffer(gl.ARRAY_BUFFER,null);for(var i=0;i<nattribs;++i){gl.disableVertexAttribArray(i)}}}module.exports=doBind},{}],42:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VAOEmulated(gl){this.gl=gl;this._elements=null;this._attributes=null;this._elementsType=gl.UNSIGNED_SHORT}VAOEmulated.prototype.bind=function(){bindAttribs(this.gl,this._elements,this._attributes)};VAOEmulated.prototype.update=function(attributes,elements,elementsType){this._elements=elements;this._attributes=attributes;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};VAOEmulated.prototype.dispose=function(){};VAOEmulated.prototype.unbind=function(){};VAOEmulated.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._elements){gl.drawElements(mode,count,this._elementsType,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAOEmulated(gl){return new VAOEmulated(gl)}module.exports=createVAOEmulated},{"./do-bind.js":41}],43:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VertexAttribute(location,dimension,a,b,c,d){this.location=location;this.dimension=dimension;this.a=a;this.b=b;this.c=c;this.d=d}VertexAttribute.prototype.bind=function(gl){switch(this.dimension){case 1:gl.vertexAttrib1f(this.location,this.a);break;case 2:gl.vertexAttrib2f(this.location,this.a,this.b);break;case 3:gl.vertexAttrib3f(this.location,this.a,this.b,this.c);break;case 4:gl.vertexAttrib4f(this.location,this.a,this.b,this.c,this.d);break}};function VAONative(gl,ext,handle){this.gl=gl;this._ext=ext;this.handle=handle;this._attribs=[];this._useElements=false;this._elementsType=gl.UNSIGNED_SHORT}VAONative.prototype.bind=function(){this._ext.bindVertexArrayOES(this.handle);for(var i=0;i<this._attribs.length;++i){this._attribs[i].bind(this.gl)}};VAONative.prototype.unbind=function(){this._ext.bindVertexArrayOES(null)};VAONative.prototype.dispose=function(){this._ext.deleteVertexArrayOES(this.handle)};VAONative.prototype.update=function(attributes,elements,elementsType){this.bind();bindAttribs(this.gl,elements,attributes);this.unbind();this._attribs.length=0;if(attributes)for(var i=0;i<attributes.length;++i){var a=attributes[i];if(typeof a==="number"){this._attribs.push(new VertexAttribute(i,1,a))}else if(Array.isArray(a)){this._attribs.push(new VertexAttribute(i,a.length,a[0],a[1],a[2],a[3]))}}this._useElements=!!elements;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};VAONative.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._useElements){gl.drawElements(mode,count,this._elementsType,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAONative(gl,ext){return new VAONative(gl,ext,ext.createVertexArrayOES())}module.exports=createVAONative},{"./do-bind.js":41}],44:[function(require,module,exports){"use strict";var createVAONative=require("./lib/vao-native.js");var createVAOEmulated=require("./lib/vao-emulated.js");function createVAO(gl,attributes,elements,elementsType){var ext=gl.getExtension("OES_vertex_array_object");var vao;if(ext){vao=createVAONative(gl,ext)}else{vao=createVAOEmulated(gl)}vao.update(attributes,elements,elementsType);return vao}module.exports=createVAO},{"./lib/vao-emulated.js":42,"./lib/vao-native.js":43}],45:[function(require,module,exports){module.exports=noop;function noop(){throw new Error("You should bundle your code "+"using `glslify` as a transform.")}},{}],46:[function(require,module,exports){module.exports=programify;function programify(vertex,fragment,uniforms,attributes){return{vertex:vertex,fragment:fragment,uniforms:uniforms,attributes:attributes}}},{}],47:[function(require,module,exports){var iota=require("iota-array");var isBuffer=require("is-buffer");var hasTypedArrays=typeof Float64Array!=="undefined";function compare1st(a,b){return a[0]-b[0]}function order(){var stride=this.stride;var terms=new Array(stride.length);var i;for(i=0;i<terms.length;++i){terms[i]=[Math.abs(stride[i]),i]}terms.sort(compare1st);var result=new Array(terms.length);for(i=0;i<result.length;++i){result[i]=terms[i][1]}return result}function compileConstructor(dtype,dimension){var className=["View",dimension,"d",dtype].join("");if(dimension<0){className="View_Nil"+dtype}var useGetters=dtype==="generic";if(dimension===-1){var code="function "+className+"(a){this.data=a;};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return -1};proto.size=0;proto.dimension=-1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function(){return new "+className+"(this.data);};proto.get=proto.set=function(){};proto.pick=function(){return null};return function construct_"+className+"(a){return new "+className+"(a);}";var procedure=new Function(code);return procedure()}else if(dimension===0){var code="function "+className+"(a,d) {this.data = a;this.offset = d};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return this.offset};proto.dimension=0;proto.size=1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function "+className+"_copy() {return new "+className+"(this.data,this.offset)};proto.pick=function "+className+"_pick(){return TrivialArray(this.data);};proto.valueOf=proto.get=function "+className+"_get(){return "+(useGetters?"this.data.get(this.offset)":"this.data[this.offset]")+"};proto.set=function "+className+"_set(v){return "+(useGetters?"this.data.set(this.offset,v)":"this.data[this.offset]=v")+"};return function construct_"+className+"(a,b,c,d){return new "+className+"(a,d)}";var procedure=new Function("TrivialArray",code);return procedure(CACHED_CONSTRUCTORS[dtype][0])}var code=["'use strict'"];var indices=iota(dimension);var args=indices.map(function(i){return"i"+i});var index_str="this.offset+"+indices.map(function(i){return"this.stride["+i+"]*i"+i}).join("+");var shapeArg=indices.map(function(i){return"b"+i}).join(",");var strideArg=indices.map(function(i){return"c"+i}).join(",");code.push("function "+className+"(a,"+shapeArg+","+strideArg+",d){this.data=a","this.shape=["+shapeArg+"]","this.stride=["+strideArg+"]","this.offset=d|0}","var proto="+className+".prototype","proto.dtype='"+dtype+"'","proto.dimension="+dimension);code.push("Object.defineProperty(proto,'size',{get:function "+className+"_size(){return "+indices.map(function(i){return"this.shape["+i+"]"}).join("*"),"}})");if(dimension===1){code.push("proto.order=[0]")}else{code.push("Object.defineProperty(proto,'order',{get:");if(dimension<4){code.push("function "+className+"_order(){");if(dimension===2){code.push("return (Math.abs(this.stride[0])>Math.abs(this.stride[1]))?[1,0]:[0,1]}})")}else if(dimension===3){code.push("var s0=Math.abs(this.stride[0]),s1=Math.abs(this.stride[1]),s2=Math.abs(this.stride[2]);if(s0>s1){if(s1>s2){return [2,1,0];}else if(s0>s2){return [1,2,0];}else{return [1,0,2];}}else if(s0>s2){return [2,0,1];}else if(s2>s1){return [0,1,2];}else{return [0,2,1];}}})")}}else{code.push("ORDER})")}}code.push("proto.set=function "+className+"_set("+args.join(",")+",v){");if(useGetters){code.push("return this.data.set("+index_str+",v)}")}else{code.push("return this.data["+index_str+"]=v}")}code.push("proto.get=function "+className+"_get("+args.join(",")+"){");if(useGetters){code.push("return this.data.get("+index_str+")}")}else{code.push("return this.data["+index_str+"]}")}code.push("proto.index=function "+className+"_index(",args.join(),"){return "+index_str+"}");code.push("proto.hi=function "+className+"_hi("+args.join(",")+"){return new "+className+"(this.data,"+indices.map(function(i){return["(typeof i",i,"!=='number'||i",i,"<0)?this.shape[",i,"]:i",i,"|0"].join("")}).join(",")+","+indices.map(function(i){return"this.stride["+i+"]"}).join(",")+",this.offset)}");var a_vars=indices.map(function(i){return"a"+i+"=this.shape["+i+"]"});var c_vars=indices.map(function(i){return"c"+i+"=this.stride["+i+"]"});code.push("proto.lo=function "+className+"_lo("+args.join(",")+"){var b=this.offset,d=0,"+a_vars.join(",")+","+c_vars.join(","));for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){d=i"+i+"|0;b+=c"+i+"*d;a"+i+"-=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",b)}");code.push("proto.step=function "+className+"_step("+args.join(",")+"){var "+indices.map(function(i){return"a"+i+"=this.shape["+i+"]"}).join(",")+","+indices.map(function(i){return"b"+i+"=this.stride["+i+"]"}).join(",")+",c=this.offset,d=0,ceil=Math.ceil");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'){d=i"+i+"|0;if(d<0){c+=b"+i+"*(a"+i+"-1);a"+i+"=ceil(-a"+i+"/d)}else{a"+i+"=ceil(a"+i+"/d)}b"+i+"*=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"b"+i}).join(",")+",c)}");var tShape=new Array(dimension);var tStride=new Array(dimension);for(var i=0;i<dimension;++i){tShape[i]="a[i"+i+"]";tStride[i]="b[i"+i+"]"}code.push("proto.transpose=function "+className+"_transpose("+args+"){"+args.map(function(n,idx){return n+"=("+n+"===undefined?"+idx+":"+n+"|0)"}).join(";"),"var a=this.shape,b=this.stride;return new "+className+"(this.data,"+tShape.join(",")+","+tStride.join(",")+",this.offset)}");code.push("proto.pick=function "+className+"_pick("+args+"){var a=[],b=[],c=this.offset");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){c=(c+this.stride["+i+"]*i"+i+")|0}else{a.push(this.shape["+i+"]);b.push(this.stride["+i+"])}")}code.push("var ctor=CTOR_LIST[a.length+1];return ctor(this.data,a,b,c)}");code.push("return function construct_"+className+"(data,shape,stride,offset){return new "+className+"(data,"+indices.map(function(i){return"shape["+i+"]"}).join(",")+","+indices.map(function(i){return"stride["+i+"]"}).join(",")+",offset)}");var procedure=new Function("CTOR_LIST","ORDER",code.join("\n"));return procedure(CACHED_CONSTRUCTORS[dtype],order)}function arrayDType(data){if(isBuffer(data)){return"buffer"}if(hasTypedArrays){switch(Object.prototype.toString.call(data)){case"[object Float64Array]":return"float64";case"[object Float32Array]":return"float32";case"[object Int8Array]":return"int8";case"[object Int16Array]":return"int16";case"[object Int32Array]":return"int32";case"[object Uint8Array]":return"uint8";case"[object Uint16Array]":return"uint16";case"[object Uint32Array]":return"uint32";case"[object Uint8ClampedArray]":return"uint8_clamped"}}if(Array.isArray(data)){return"array"}return"generic"}var CACHED_CONSTRUCTORS={float32:[],float64:[],int8:[],int16:[],int32:[],uint8:[],uint16:[],uint32:[],array:[],uint8_clamped:[],buffer:[],generic:[]};(function(){for(var id in CACHED_CONSTRUCTORS){CACHED_CONSTRUCTORS[id].push(compileConstructor(id,-1))}});function wrappedNDArrayCtor(data,shape,stride,offset){if(data===undefined){var ctor=CACHED_CONSTRUCTORS.array[0];return ctor([])}else if(typeof data==="number"){data=[data]}if(shape===undefined){shape=[data.length]}var d=shape.length;if(stride===undefined){stride=new Array(d);for(var i=d-1,sz=1;i>=0;--i){stride[i]=sz;sz*=shape[i]}}if(offset===undefined){offset=0;for(var i=0;i<d;++i){if(stride[i]<0){offset-=(shape[i]-1)*stride[i]}}}var dtype=arrayDType(data);var ctor_list=CACHED_CONSTRUCTORS[dtype];while(ctor_list.length<=d+1){ctor_list.push(compileConstructor(dtype,ctor_list.length-1))}var ctor=ctor_list[d+1];return ctor(data,shape,stride,offset)}module.exports=wrappedNDArrayCtor},{"iota-array":48,"is-buffer":49}],48:[function(require,module,exports){"use strict";function iota(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=i}return result}module.exports=iota},{}],49:[function(require,module,exports){module.exports=function(obj){return!!(obj!=null&&obj.constructor&&typeof obj.constructor.isBuffer==="function"&&obj.constructor.isBuffer(obj))}},{}],50:[function(require,module,exports){var EPSILON=1e-6;exports.vertexNormals=function(faces,positions){var N=positions.length;var normals=new Array(N);for(var i=0;i<N;++i){normals[i]=[0,0,0]}for(var i=0;i<faces.length;++i){var f=faces[i];var p=0;var c=f[f.length-1];var n=f[0];for(var j=0;j<f.length;++j){p=c;c=n;n=f[(j+1)%f.length];var v0=positions[p];var v1=positions[c];var v2=positions[n];var d01=new Array(3);var m01=0;var d21=new Array(3);var m21=0;for(var k=0;k<3;++k){d01[k]=v0[k]-v1[k];m01+=d01[k]*d01[k];d21[k]=v2[k]-v1[k];m21+=d21[k]*d21[k]}if(m01*m21>EPSILON){var norm=normals[c];var w=1/Math.sqrt(m01*m21);for(var k=0;k<3;++k){var u=(k+1)%3;var v=(k+2)%3;norm[k]+=w*(d21[u]*d01[v]-d21[v]*d01[u])}}}}for(var i=0;i<N;++i){var norm=normals[i];var m=0;for(var k=0;k<3;++k){m+=norm[k]*norm[k]}if(m>EPSILON){var w=1/Math.sqrt(m);for(var k=0;k<3;++k){norm[k]*=w}}else{for(var k=0;k<3;++k){norm[k]=0}}}return normals};exports.faceNormals=function(faces,positions){var N=faces.length;var normals=new Array(N);for(var i=0;i<N;++i){var f=faces[i];var pos=new Array(3);for(var j=0;j<3;++j){pos[j]=positions[f[j]]}var d01=new Array(3);var d21=new Array(3);for(var j=0;j<3;++j){d01[j]=pos[1][j]-pos[0][j];d21[j]=pos[2][j]-pos[0][j]}var n=new Array(3);var l=0;for(var j=0;j<3;++j){var u=(j+1)%3;var v=(j+2)%3;n[j]=d01[u]*d21[v]-d01[v]*d21[u];l+=n[j]*n[j]}if(l>EPSILON){l=1/Math.sqrt(l)}else{l=0}for(var j=0;j<3;++j){n[j]*=l}normals[i]=n}return normals}},{}],51:[function(require,module,exports){"use strict";var diff=new Float64Array(4);var edge0=new Float64Array(4);var edge1=new Float64Array(4);function closestPoint2d(V0,V1,V2,point,result){if(diff.length<point.length){diff=new Float64Array(point.length);edge0=new Float64Array(point.length);edge1=new Float64Array(point.length)}for(var i=0;i<point.length;++i){diff[i]=V0[i]-point[i];edge0[i]=V1[i]-V0[i];edge1[i]=V2[i]-V0[i]}var a00=0,a01=0,a11=0,b0=0,b1=0,c=0;for(var i=0;i<point.length;++i){var e0=edge0[i],e1=edge1[i],d=diff[i];a00+=e0*e0;a01+=e0*e1;a11+=e1*e1;b0+=d*e0;b1+=d*e1;c+=d*d}var det=Math.abs(a00*a11-a01*a01);var s=a01*b1-a11*b0;var t=a01*b0-a00*b1;var sqrDistance;if(s+t<=det){if(s<0){if(t<0){if(b0<0){t=0;if(-b0>=a00){s=1;sqrDistance=a00+2*b0+c}else{s=-b0/a00;sqrDistance=b0*s+c}}else{s=0;if(b1>=0){t=0;sqrDistance=c}else if(-b1>=a11){t=1;sqrDistance=a11+2*b1+c}else{t=-b1/a11;sqrDistance=b1*t+c}}}else{s=0;if(b1>=0){t=0;sqrDistance=c}else if(-b1>=a11){t=1;sqrDistance=a11+2*b1+c}else{t=-b1/a11;sqrDistance=b1*t+c}}}else if(t<0){t=0;if(b0>=0){s=0;sqrDistance=c}else if(-b0>=a00){s=1;sqrDistance=a00+2*b0+c}else{s=-b0/a00;sqrDistance=b0*s+c}}else{var invDet=1/det;s*=invDet;t*=invDet;sqrDistance=s*(a00*s+a01*t+2*b0)+t*(a01*s+a11*t+2*b1)+c}}else{var tmp0,tmp1,numer,denom;if(s<0){tmp0=a01+b0;tmp1=a11+b1;if(tmp1>tmp0){numer=tmp1-tmp0;denom=a00-2*a01+a11;if(numer>=denom){s=1;t=0;sqrDistance=a00+2*b0+c}else{s=numer/denom;t=1-s;sqrDistance=s*(a00*s+a01*t+2*b0)+t*(a01*s+a11*t+2*b1)+c}}else{s=0;if(tmp1<=0){t=1;sqrDistance=a11+2*b1+c}else if(b1>=0){t=0;sqrDistance=c}else{t=-b1/a11;sqrDistance=b1*t+c}}}else if(t<0){tmp0=a01+b1;tmp1=a00+b0;if(tmp1>tmp0){numer=tmp1-tmp0;denom=a00-2*a01+a11;if(numer>=denom){t=1;s=0;sqrDistance=a11+2*b1+c}else{t=numer/denom;s=1-t;sqrDistance=s*(a00*s+a01*t+2*b0)+t*(a01*s+a11*t+2*b1)+c}}else{t=0;if(tmp1<=0){s=1;sqrDistance=a00+2*b0+c}else if(b0>=0){s=0;sqrDistance=c}else{s=-b0/a00;sqrDistance=b0*s+c}}}else{numer=a11+b1-a01-b0;if(numer<=0){s=0;t=1;sqrDistance=a11+2*b1+c}else{denom=a00-2*a01+a11;if(numer>=denom){s=1;t=0;sqrDistance=a00+2*b0+c}else{s=numer/denom;t=1-s;sqrDistance=s*(a00*s+a01*t+2*b0)+t*(a01*s+a11*t+2*b1)+c}}}}var u=1-s-t;for(var i=0;i<point.length;++i){result[i]=u*V0[i]+s*V1[i]+t*V2[i]}if(sqrDistance<0){return 0}return sqrDistance}module.exports=closestPoint2d},{}],52:[function(require,module,exports){"use strict";module.exports=extractContour;var ndarray=require("ndarray");var pool=require("typedarray-pool");var ndsort=require("ndarray-sort");var contourAlgorithm=require("./lib/codegen");function getDimension(cells){var numCells=cells.length;var d=0;for(var i=0;i<numCells;++i){d=Math.max(d,cells[i].length)|0}return d-1}function getSigns(values,level){var numVerts=values.length;var vertexSigns=pool.mallocUint8(numVerts);for(var i=0;i<numVerts;++i){vertexSigns[i]=values[i]<level|0}return vertexSigns}function getEdges(cells,d){var numCells=cells.length;var maxEdges=d*(d+1)/2*numCells|0;var edges=pool.mallocUint32(maxEdges*2);var ePtr=0;for(var i=0;i<numCells;++i){var c=cells[i];var d=c.length;for(var j=0;j<d;++j){for(var k=0;k<j;++k){var a=c[k];var b=c[j];edges[ePtr++]=Math.min(a,b)|0;edges[ePtr++]=Math.max(a,b)|0}}}var nedges=ePtr/2|0;ndsort(ndarray(edges,[nedges,2]));var ptr=2;for(var i=2;i<ePtr;i+=2){if(edges[i-2]===edges[i]&&edges[i-1]===edges[i+1]){continue}edges[ptr++]=edges[i];edges[ptr++]=edges[i+1]}return ndarray(edges,[ptr/2|0,2])}function getCrossingWeights(edges,values,signs,level){var edata=edges.data;var numEdges=edges.shape[0];var weights=pool.mallocDouble(numEdges);var ptr=0;for(var i=0;i<numEdges;++i){var a=edata[2*i];var b=edata[2*i+1];if(signs[a]===signs[b]){continue}var va=values[a];var vb=values[b];edata[2*ptr]=a;edata[2*ptr+1]=b;weights[ptr++]=(vb-level)/(vb-va)}edges.shape[0]=ptr;return ndarray(weights,[ptr])}function getCascade(edges,numVerts){var result=pool.mallocInt32(numVerts*2);var numEdges=edges.shape[0];var edata=edges.data;result[0]=0;var lastV=0;for(var i=0;i<numEdges;++i){var a=edata[2*i];if(a!==lastV){result[2*lastV+1]=i;while(++lastV<a){result[2*lastV]=i;result[2*lastV+1]=i}result[2*lastV]=i}}result[2*lastV+1]=numEdges;while(++lastV<numVerts){result[2*lastV]=result[2*lastV+1]=numEdges}return result}function unpackEdges(edges){var ne=edges.shape[0]|0;var edata=edges.data;var result=new Array(ne);for(var i=0;i<ne;++i){result[i]=[edata[2*i],edata[2*i+1]]}return result}function extractContour(cells,values,level,d){level=level||0;if(typeof d==="undefined"){d=getDimension(cells)}var numCells=cells.length;if(numCells===0||d<1){return{cells:[],vertexIds:[],vertexWeights:[]}}var vertexSigns=getSigns(values,+level);var edges=getEdges(cells,d);var weights=getCrossingWeights(edges,values,vertexSigns,+level);var vcascade=getCascade(edges,values.length|0);var faces=contourAlgorithm(d)(cells,edges.data,vcascade,vertexSigns);var uedges=unpackEdges(edges);var uweights=[].slice.call(weights.data,0,weights.shape[0]);pool.free(vertexSigns);pool.free(edges.data);pool.free(weights.data);pool.free(vcascade);return{cells:faces,vertexIds:uedges,vertexWeights:uweights}}},{"./lib/codegen":53,ndarray:47,"ndarray-sort":84,"typedarray-pool":87}],53:[function(require,module,exports){"use strict";module.exports=getPolygonizer;var pool=require("typedarray-pool");var createMSTable=require("marching-simplex-table");var CACHE={};function createCellPolygonizer(d){var maxCellSize=0;var tables=new Array(d+1);tables[0]=[[]];for(var i=1;i<=d;++i){var tab=tables[i]=createMSTable(i);for(var j=0;j<tab.length;++j){maxCellSize=Math.max(maxCellSize,tab[i].length)}}var code=["function B(C,E,i,j){","var a=Math.min(i,j)|0,b=Math.max(i,j)|0,l=C[2*a],h=C[2*a+1];","while(l<h){","var m=(l+h)>>1,v=E[2*m+1];","if(v===b){return m}","if(b<v){h=m}else{l=m+1}","}","return l;","};","function getContour",d,"d(F,E,C,S){","var n=F.length,R=[];","for(var i=0;i<n;++i){var c=F[i],l=c.length;"];function generateCase(facets){if(facets.length<=0){return}code.push("R.push(");for(var i=0;i<facets.length;++i){var facet=facets[i];if(i>0){code.push(",")}code.push("[");for(var j=0;j<facet.length;++j){var f=facet[j];if(j>0){code.push(",")}code.push("B(C,E,c[",f[0],"],c[",f[1],"])")}code.push("]")}code.push(");")}for(var i=d+1;i>1;--i){if(i<d+1){code.push("else ")}code.push("if(l===",i,"){");var maskStr=[];for(var j=0;j<i;++j){maskStr.push("(S[c["+j+"]]<<"+j+")")}code.push("var M=",maskStr.join("+"),";if(M===0||M===",(1<<i)-1,"){continue}switch(M){");var tab=tables[i-1];for(var j=0;j<tab.length;++j){code.push("case ",j,":");

generateCase(tab[j]);code.push("break;")}code.push("}}")}code.push("}return R;};return getContour",d,"d");var proc=new Function("pool",code.join(""));return proc(pool)}function getPolygonizer(d){var alg=CACHE[d];if(!alg){alg=CACHE[d]=createCellPolygonizer(d)}return alg}},{"marching-simplex-table":54,"typedarray-pool":87}],54:[function(require,module,exports){"use strict";module.exports=createTable;var chull=require("convex-hull");function constructVertex(d,a,b){var x=new Array(d);for(var i=0;i<d;++i){x[i]=0;if(i===a){x[i]+=.5}if(i===b){x[i]+=.5}}return x}function constructCell(dimension,mask){if(mask===0||mask===(1<<dimension+1)-1){return[]}var points=[];var index=[];for(var i=0;i<=dimension;++i){if(mask&1<<i){points.push(constructVertex(dimension,i-1,i-1));index.push(null);for(var j=0;j<=dimension;++j){if(~mask&1<<j){points.push(constructVertex(dimension,i-1,j-1));index.push([i,j])}}}}var hull=chull(points);var faces=[];i_loop:for(var i=0;i<hull.length;++i){var face=hull[i];var nface=[];for(var j=0;j<face.length;++j){if(!index[face[j]]){continue i_loop}nface.push(index[face[j]].slice())}faces.push(nface)}return faces}function createTable(dimension){var numCells=1<<dimension+1;var result=new Array(numCells);for(var i=0;i<numCells;++i){result[i]=constructCell(dimension,i)}return result}},{"convex-hull":55}],55:[function(require,module,exports){"use strict";var convexHull1d=require("./lib/ch1d");var convexHull2d=require("./lib/ch2d");var convexHullnd=require("./lib/chnd");module.exports=convexHull;function convexHull(points){var n=points.length;if(n===0){return[]}else if(n===1){return[[0]]}var d=points[0].length;if(d===0){return[]}else if(d===1){return convexHull1d(points)}else if(d===2){return convexHull2d(points)}return convexHullnd(points,d)}},{"./lib/ch1d":56,"./lib/ch2d":57,"./lib/chnd":58}],56:[function(require,module,exports){"use strict";module.exports=convexHull1d;function convexHull1d(points){var lo=0;var hi=0;for(var i=1;i<points.length;++i){if(points[i][0]<points[lo][0]){lo=i}if(points[i][0]>points[hi][0]){hi=i}}if(lo<hi){return[[lo],[hi]]}else if(lo>hi){return[[hi],[lo]]}else{return[[lo]]}}},{}],57:[function(require,module,exports){"use strict";module.exports=convexHull2D;var monotoneHull=require("monotone-convex-hull-2d");function convexHull2D(points){var hull=monotoneHull(points);var h=hull.length;if(h<=2){return[]}var edges=new Array(h);var a=hull[h-1];for(var i=0;i<h;++i){var b=hull[i];edges[i]=[a,b];a=b}return edges}},{"monotone-convex-hull-2d":76}],58:[function(require,module,exports){"use strict";module.exports=convexHullnD;var ich=require("incremental-convex-hull");var aff=require("affine-hull");function permute(points,front){var n=points.length;var npoints=new Array(n);for(var i=0;i<front.length;++i){npoints[i]=points[front[i]]}var ptr=front.length;for(var i=0;i<n;++i){if(front.indexOf(i)<0){npoints[ptr++]=points[i]}}return npoints}function invPermute(cells,front){var nc=cells.length;var nf=front.length;for(var i=0;i<nc;++i){var c=cells[i];for(var j=0;j<c.length;++j){var x=c[j];if(x<nf){c[j]=front[x]}else{x=x-nf;for(var k=0;k<nf;++k){if(x>=front[k]){x+=1}}c[j]=x}}}return cells}function convexHullnD(points,d){try{return ich(points,true)}catch(e){var ah=aff(points);if(ah.length<=d){return[]}var npoints=permute(points,ah);var nhull=ich(npoints,true);return invPermute(nhull,ah)}}},{"affine-hull":59,"incremental-convex-hull":66}],59:[function(require,module,exports){"use strict";module.exports=affineHull;var orient=require("robust-orientation");function linearlyIndependent(points,d){var nhull=new Array(d+1);for(var i=0;i<points.length;++i){nhull[i]=points[i]}for(var i=0;i<=points.length;++i){for(var j=points.length;j<=d;++j){var x=new Array(d);for(var k=0;k<d;++k){x[k]=Math.pow(j+1-i,k)}nhull[j]=x}var o=orient.apply(void 0,nhull);if(o){return true}}return false}function affineHull(points){var n=points.length;if(n===0){return[]}if(n===1){return[0]}var d=points[0].length;var frame=[points[0]];var index=[0];for(var i=1;i<n;++i){frame.push(points[i]);if(!linearlyIndependent(frame,d)){frame.pop();continue}index.push(i);if(index.length===d+1){return index}}return index}},{"robust-orientation":65}],60:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10}],61:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{dup:11,"two-product":64,"two-sum":60}],62:[function(require,module,exports){"use strict";module.exports=robustSubtract;function scalarScalar(a,b){var x=a+b;var bv=x-a;var av=x-bv;var br=b-bv;var ar=a-av;var y=ar+br;if(y){return[y,x]}return[x]}function robustSubtract(e,f){var ne=e.length|0;var nf=f.length|0;if(ne===1&&nf===1){return scalarScalar(e[0],-f[0])}var n=ne+nf;var g=new Array(n);var count=0;var eptr=0;var fptr=0;var abs=Math.abs;var ei=e[eptr];var ea=abs(ei);var fi=-f[fptr];var fa=abs(fi);var a,b;if(ea<fa){b=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{b=fi;fptr+=1;if(fptr<nf){fi=-f[fptr];fa=abs(fi)}}if(eptr<ne&&ea<fa||fptr>=nf){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=-f[fptr];fa=abs(fi)}}var x=a+b;var bv=x-a;var y=b-bv;var q0=y;var q1=x;var _x,_bv,_av,_br,_ar;while(eptr<ne&&fptr<nf){if(ea<fa){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=-f[fptr];fa=abs(fi)}}b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x}while(eptr<ne){a=ei;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;eptr+=1;if(eptr<ne){ei=e[eptr]}}while(fptr<nf){a=fi;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;fptr+=1;if(fptr<nf){fi=-f[fptr]}}if(q0){g[count++]=q0}if(q1){g[count++]=q1}if(!count){g[count++]=0}g.length=count;return g}},{}],63:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],64:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],65:[function(require,module,exports){"use strict";var twoProduct=require("two-product");var robustSum=require("robust-sum");var robustScale=require("robust-scale");var robustSubtract=require("robust-subtract");var NUM_EXPAND=5;var EPSILON=1.1102230246251565e-16;var ERRBOUND3=(3+16*EPSILON)*EPSILON;var ERRBOUND4=(7+56*EPSILON)*EPSILON;function cofactor(m,c){var result=new Array(m.length-1);for(var i=1;i<m.length;++i){var r=result[i-1]=new Array(m.length-1);for(var j=0,k=0;j<m.length;++j){if(j===c){continue}r[k++]=m[i][j]}}return result}function matrix(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=new Array(n);for(var j=0;j<n;++j){result[i][j]=["m",j,"[",n-i-1,"]"].join("")}}return result}function sign(n){if(n&1){return"-"}return""}function generateSum(expr){if(expr.length===1){return expr[0]}else if(expr.length===2){return["sum(",expr[0],",",expr[1],")"].join("")}else{var m=expr.length>>1;return["sum(",generateSum(expr.slice(0,m)),",",generateSum(expr.slice(m)),")"].join("")}}function determinant(m){if(m.length===2){return[["sum(prod(",m[0][0],",",m[1][1],"),prod(-",m[0][1],",",m[1][0],"))"].join("")]}else{var expr=[];for(var i=0;i<m.length;++i){expr.push(["scale(",generateSum(determinant(cofactor(m,i))),",",sign(i),m[0][i],")"].join(""))}return expr}}function orientation(n){var pos=[];var neg=[];var m=matrix(n);var args=[];for(var i=0;i<n;++i){if((i&1)===0){pos.push.apply(pos,determinant(cofactor(m,i)))}else{neg.push.apply(neg,determinant(cofactor(m,i)))}args.push("m"+i)}var posExpr=generateSum(pos);var negExpr=generateSum(neg);var funcName="orientation"+n+"Exact";var code=["function ",funcName,"(",args.join(),"){var p=",posExpr,",n=",negExpr,",d=sub(p,n);return d[d.length-1];};return ",funcName].join("");var proc=new Function("sum","prod","scale","sub",code);return proc(robustSum,twoProduct,robustScale,robustSubtract)}var orientation3Exact=orientation(3);var orientation4Exact=orientation(4);var CACHED=[function orientation0(){return 0},function orientation1(){return 0},function orientation2(a,b){return b[0]-a[0]},function orientation3(a,b,c){var l=(a[1]-c[1])*(b[0]-c[0]);var r=(a[0]-c[0])*(b[1]-c[1]);var det=l-r;var s;if(l>0){if(r<=0){return det}else{s=l+r}}else if(l<0){if(r>=0){return det}else{s=-(l+r)}}else{return det}var tol=ERRBOUND3*s;if(det>=tol||det<=-tol){return det}return orientation3Exact(a,b,c)},function orientation4(a,b,c,d){var adx=a[0]-d[0];var bdx=b[0]-d[0];var cdx=c[0]-d[0];var ady=a[1]-d[1];var bdy=b[1]-d[1];var cdy=c[1]-d[1];var adz=a[2]-d[2];var bdz=b[2]-d[2];var cdz=c[2]-d[2];var bdxcdy=bdx*cdy;var cdxbdy=cdx*bdy;var cdxady=cdx*ady;var adxcdy=adx*cdy;var adxbdy=adx*bdy;var bdxady=bdx*ady;var det=adz*(bdxcdy-cdxbdy)+bdz*(cdxady-adxcdy)+cdz*(adxbdy-bdxady);var permanent=(Math.abs(bdxcdy)+Math.abs(cdxbdy))*Math.abs(adz)+(Math.abs(cdxady)+Math.abs(adxcdy))*Math.abs(bdz)+(Math.abs(adxbdy)+Math.abs(bdxady))*Math.abs(cdz);var tol=ERRBOUND4*permanent;if(det>tol||-det>tol){return det}return orientation4Exact(a,b,c,d)}];function slowOrient(args){var proc=CACHED[args.length];if(!proc){proc=CACHED[args.length]=orientation(args.length)}return proc.apply(undefined,args)}function generateOrientationProc(){while(CACHED.length<=NUM_EXPAND){CACHED.push(orientation(CACHED.length))}var args=[];var procArgs=["slow"];for(var i=0;i<=NUM_EXPAND;++i){args.push("a"+i);procArgs.push("o"+i)}var code=["function getOrientation(",args.join(),"){switch(arguments.length){case 0:case 1:return 0;"];for(var i=2;i<=NUM_EXPAND;++i){code.push("case ",i,":return o",i,"(",args.slice(0,i).join(),");")}code.push("}var s=new Array(arguments.length);for(var i=0;i<arguments.length;++i){s[i]=arguments[i]};return slow(s);}return getOrientation");procArgs.push(code.join(""));var proc=Function.apply(undefined,procArgs);module.exports=proc.apply(undefined,[slowOrient].concat(CACHED));for(var i=0;i<=NUM_EXPAND;++i){module.exports[i]=CACHED[i]}}generateOrientationProc()},{"robust-scale":61,"robust-subtract":62,"robust-sum":63,"two-product":64}],66:[function(require,module,exports){"use strict";module.exports=incrementalConvexHull;var orient=require("robust-orientation");var compareCell=require("simplicial-complex").compareCells;function compareInt(a,b){return a-b}function Simplex(vertices,adjacent,boundary){this.vertices=vertices;this.adjacent=adjacent;this.boundary=boundary;this.lastVisited=-1}Simplex.prototype.flip=function(){var t=this.vertices[0];this.vertices[0]=this.vertices[1];this.vertices[1]=t;var u=this.adjacent[0];this.adjacent[0]=this.adjacent[1];this.adjacent[1]=u};function GlueFacet(vertices,cell,index){this.vertices=vertices;this.cell=cell;this.index=index}function compareGlue(a,b){return compareCell(a.vertices,b.vertices)}function bakeOrient(d){var code=["function orient(){var tuple=this.tuple;return test("];for(var i=0;i<=d;++i){if(i>0){code.push(",")}code.push("tuple[",i,"]")}code.push(")}return orient");var proc=new Function("test",code.join(""));var test=orient[d+1];if(!test){test=orient}return proc(test)}var BAKED=[];function Triangulation(dimension,vertices,simplices){this.dimension=dimension;this.vertices=vertices;this.simplices=simplices;this.interior=simplices.filter(function(c){return!c.boundary});this.tuple=new Array(dimension+1);for(var i=0;i<=dimension;++i){this.tuple[i]=this.vertices[i]}var o=BAKED[dimension];if(!o){o=BAKED[dimension]=bakeOrient(dimension)}this.orient=o}var proto=Triangulation.prototype;proto.handleBoundaryDegeneracy=function(cell,point){var d=this.dimension;var n=this.vertices.length-1;var tuple=this.tuple;var verts=this.vertices;var toVisit=[cell];cell.lastVisited=-n;while(toVisit.length>0){cell=toVisit.pop();var cellVerts=cell.vertices;var cellAdj=cell.adjacent;for(var i=0;i<=d;++i){var neighbor=cellAdj[i];if(!neighbor.boundary||neighbor.lastVisited<=-n){continue}var nv=neighbor.vertices;for(var j=0;j<=d;++j){var vv=nv[j];if(vv<0){tuple[j]=point}else{tuple[j]=verts[vv]}}var o=this.orient();if(o>0){return neighbor}neighbor.lastVisited=-n;if(o===0){toVisit.push(neighbor)}}}return null};proto.walk=function(point,random){var n=this.vertices.length-1;var d=this.dimension;var verts=this.vertices;var tuple=this.tuple;var initIndex=random?this.interior.length*Math.random()|0:this.interior.length-1;var cell=this.interior[initIndex];outerLoop:while(!cell.boundary){var cellVerts=cell.vertices;var cellAdj=cell.adjacent;for(var i=0;i<=d;++i){tuple[i]=verts[cellVerts[i]]}cell.lastVisited=n;for(var i=0;i<=d;++i){var neighbor=cellAdj[i];if(neighbor.lastVisited>=n){continue}var prev=tuple[i];tuple[i]=point;var o=this.orient();tuple[i]=prev;if(o<0){cell=neighbor;continue outerLoop}else{if(!neighbor.boundary){neighbor.lastVisited=n}else{neighbor.lastVisited=-n}}}return}return cell};proto.addPeaks=function(point,cell){var n=this.vertices.length-1;var d=this.dimension;var verts=this.vertices;var tuple=this.tuple;var interior=this.interior;var simplices=this.simplices;var tovisit=[cell];cell.lastVisited=n;cell.vertices[cell.vertices.indexOf(-1)]=n;cell.boundary=false;interior.push(cell);var glueFacets=[];while(tovisit.length>0){var cell=tovisit.pop();var cellVerts=cell.vertices;var cellAdj=cell.adjacent;var indexOfN=cellVerts.indexOf(n);if(indexOfN<0){continue}for(var i=0;i<=d;++i){if(i===indexOfN){continue}var neighbor=cellAdj[i];if(!neighbor.boundary||neighbor.lastVisited>=n){continue}var nv=neighbor.vertices;if(neighbor.lastVisited!==-n){var indexOfNeg1=0;for(var j=0;j<=d;++j){if(nv[j]<0){indexOfNeg1=j;tuple[j]=point}else{tuple[j]=verts[nv[j]]}}var o=this.orient();if(o>0){nv[indexOfNeg1]=n;neighbor.boundary=false;interior.push(neighbor);tovisit.push(neighbor);neighbor.lastVisited=n;continue}else{neighbor.lastVisited=-n}}var na=neighbor.adjacent;var vverts=cellVerts.slice();var vadj=cellAdj.slice();var ncell=new Simplex(vverts,vadj,true);simplices.push(ncell);var opposite=na.indexOf(cell);if(opposite<0){continue}na[opposite]=ncell;vadj[indexOfN]=neighbor;vverts[i]=-1;vadj[i]=cell;cellAdj[i]=ncell;ncell.flip();for(var j=0;j<=d;++j){var uu=vverts[j];if(uu<0||uu===n){continue}var nface=new Array(d-1);var nptr=0;for(var k=0;k<=d;++k){var vv=vverts[k];if(vv<0||k===j){continue}nface[nptr++]=vv}glueFacets.push(new GlueFacet(nface,ncell,j))}}}glueFacets.sort(compareGlue);for(var i=0;i+1<glueFacets.length;i+=2){var a=glueFacets[i];var b=glueFacets[i+1];var ai=a.index;var bi=b.index;if(ai<0||bi<0){continue}a.cell.adjacent[a.index]=b.cell;b.cell.adjacent[b.index]=a.cell}};proto.insert=function(point,random){var verts=this.vertices;verts.push(point);var cell=this.walk(point,random);if(!cell){return}var d=this.dimension;var tuple=this.tuple;for(var i=0;i<=d;++i){var vv=cell.vertices[i];if(vv<0){tuple[i]=point}else{tuple[i]=verts[vv]}}var o=this.orient(tuple);if(o<0){return}else if(o===0){cell=this.handleBoundaryDegeneracy(cell,point);if(!cell){return}}this.addPeaks(point,cell)};proto.boundary=function(){var d=this.dimension;var boundary=[];var cells=this.simplices;var nc=cells.length;for(var i=0;i<nc;++i){var c=cells[i];if(c.boundary){var bcell=new Array(d);var cv=c.vertices;var ptr=0;var parity=0;for(var j=0;j<=d;++j){if(cv[j]>=0){bcell[ptr++]=cv[j]}else{parity=j&1}}if(parity===(d&1)){var t=bcell[0];bcell[0]=bcell[1];bcell[1]=t}boundary.push(bcell)}}return boundary};function incrementalConvexHull(points,randomSearch){var n=points.length;if(n===0){throw new Error("Must have at least d+1 points")}var d=points[0].length;if(n<=d){throw new Error("Must input at least d+1 points")}var initialSimplex=points.slice(0,d+1);var o=orient.apply(void 0,initialSimplex);if(o===0){throw new Error("Input not in general position")}var initialCoords=new Array(d+1);for(var i=0;i<=d;++i){initialCoords[i]=i}if(o<0){initialCoords[0]=1;initialCoords[1]=0}var initialCell=new Simplex(initialCoords,new Array(d+1),false);var boundary=initialCell.adjacent;var list=new Array(d+2);for(var i=0;i<=d;++i){var verts=initialCoords.slice();for(var j=0;j<=d;++j){if(j===i){verts[j]=-1}}var t=verts[0];verts[0]=verts[1];verts[1]=t;var cell=new Simplex(verts,new Array(d+1),true);boundary[i]=cell;list[i]=cell}list[d+1]=initialCell;for(var i=0;i<=d;++i){var verts=boundary[i].vertices;var adj=boundary[i].adjacent;for(var j=0;j<=d;++j){var v=verts[j];if(v<0){adj[j]=initialCell;continue}for(var k=0;k<=d;++k){if(boundary[k].vertices.indexOf(v)<0){adj[j]=boundary[k]}}}}var triangles=new Triangulation(d,initialSimplex,list);var useRandom=!!randomSearch;for(var i=d+1;i<n;++i){triangles.insert(points[i],useRandom)}return triangles.boundary()}},{"robust-orientation":72,"simplicial-complex":75}],67:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10}],68:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{dup:11,"two-product":71,"two-sum":67}],69:[function(require,module,exports){arguments[4][62][0].apply(exports,arguments)},{dup:62}],70:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],71:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],72:[function(require,module,exports){arguments[4][65][0].apply(exports,arguments)},{dup:65,"robust-scale":68,"robust-subtract":69,"robust-sum":70,"two-product":71}],73:[function(require,module,exports){"use strict";"use restrict";var INT_BITS=32;exports.INT_BITS=INT_BITS;exports.INT_MAX=2147483647;exports.INT_MIN=-1<<INT_BITS-1;exports.sign=function(v){return(v>0)-(v<0)};exports.abs=function(v){var mask=v>>INT_BITS-1;return(v^mask)-mask};exports.min=function(x,y){return y^(x^y)&-(x<y)};exports.max=function(x,y){return x^(x^y)&-(x<y)};exports.isPow2=function(v){return!(v&v-1)&&!!v};exports.log2=function(v){var r,shift;r=(v>65535)<<4;v>>>=r;shift=(v>255)<<3;v>>>=shift;r|=shift;shift=(v>15)<<2;v>>>=shift;r|=shift;shift=(v>3)<<1;v>>>=shift;r|=shift;return r|v>>1};exports.log10=function(v){return v>=1e9?9:v>=1e8?8:v>=1e7?7:v>=1e6?6:v>=1e5?5:v>=1e4?4:v>=1e3?3:v>=100?2:v>=10?1:0};exports.popCount=function(v){v=v-(v>>>1&1431655765);v=(v&858993459)+(v>>>2&858993459);return(v+(v>>>4)&252645135)*16843009>>>24};function countTrailingZeros(v){var c=32;v&=-v;if(v)c--;if(v&65535)c-=16;if(v&16711935)c-=8;if(v&252645135)c-=4;if(v&858993459)c-=2;if(v&1431655765)c-=1;return c}exports.countTrailingZeros=countTrailingZeros;exports.nextPow2=function(v){v+=v===0;--v;v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v+1};exports.prevPow2=function(v){v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v-(v>>>1)};exports.parity=function(v){v^=v>>>16;v^=v>>>8;v^=v>>>4;v&=15;return 27030>>>v&1};var REVERSE_TABLE=new Array(256);(function(tab){for(var i=0;i<256;++i){var v=i,r=i,s=7;for(v>>>=1;v;v>>>=1){r<<=1;r|=v&1;--s}tab[i]=r<<s&255}})(REVERSE_TABLE);exports.reverse=function(v){return REVERSE_TABLE[v&255]<<24|REVERSE_TABLE[v>>>8&255]<<16|REVERSE_TABLE[v>>>16&255]<<8|REVERSE_TABLE[v>>>24&255]};exports.interleave2=function(x,y){x&=65535;x=(x|x<<8)&16711935;x=(x|x<<4)&252645135;x=(x|x<<2)&858993459;x=(x|x<<1)&1431655765;y&=65535;y=(y|y<<8)&16711935;y=(y|y<<4)&252645135;y=(y|y<<2)&858993459;y=(y|y<<1)&1431655765;return x|y<<1};exports.deinterleave2=function(v,n){v=v>>>n&1431655765;v=(v|v>>>1)&858993459;v=(v|v>>>2)&252645135;v=(v|v>>>4)&16711935;v=(v|v>>>16)&65535;return v<<16>>16};exports.interleave3=function(x,y,z){x&=1023;x=(x|x<<16)&4278190335;x=(x|x<<8)&251719695;x=(x|x<<4)&3272356035;x=(x|x<<2)&1227133513;y&=1023;y=(y|y<<16)&4278190335;y=(y|y<<8)&251719695;y=(y|y<<4)&3272356035;y=(y|y<<2)&1227133513;x|=y<<1;z&=1023;z=(z|z<<16)&4278190335;z=(z|z<<8)&251719695;z=(z|z<<4)&3272356035;z=(z|z<<2)&1227133513;return x|z<<2};exports.deinterleave3=function(v,n){v=v>>>n&1227133513;v=(v|v>>>2)&3272356035;v=(v|v>>>4)&251719695;v=(v|v>>>8)&4278190335;v=(v|v>>>16)&1023;return v<<22>>22};exports.nextCombination=function(v){var t=v|v-1;return t+1|(~t&-~t)-1>>>countTrailingZeros(v)+1}},{}],74:[function(require,module,exports){"use strict";"use restrict";module.exports=UnionFind;function UnionFind(count){this.roots=new Array(count);this.ranks=new Array(count);for(var i=0;i<count;++i){this.roots[i]=i;this.ranks[i]=0}}var proto=UnionFind.prototype;Object.defineProperty(proto,"length",{get:function(){return this.roots.length}});proto.makeSet=function(){var n=this.roots.length;this.roots.push(n);this.ranks.push(0);return n};proto.find=function(x){var x0=x;var roots=this.roots;while(roots[x]!==x){x=roots[x]}while(roots[x0]!==x){var y=roots[x0];roots[x0]=x;x0=y}return x};proto.link=function(x,y){var xr=this.find(x),yr=this.find(y);if(xr===yr){return}var ranks=this.ranks,roots=this.roots,xd=ranks[xr],yd=ranks[yr];if(xd<yd){roots[xr]=yr}else if(yd<xd){roots[yr]=xr}else{roots[yr]=xr;++ranks[xr]}}},{}],75:[function(require,module,exports){"use strict";"use restrict";var bits=require("bit-twiddle"),UnionFind=require("union-find");function dimension(cells){var d=0,max=Math.max;for(var i=0,il=cells.length;i<il;++i){d=max(d,cells[i].length)}return d-1}exports.dimension=dimension;function countVertices(cells){var vc=-1,max=Math.max;for(var i=0,il=cells.length;i<il;++i){var c=cells[i];for(var j=0,jl=c.length;j<jl;++j){vc=max(vc,c[j])}}return vc+1}exports.countVertices=countVertices;function cloneCells(cells){var ncells=new Array(cells.length);for(var i=0,il=cells.length;i<il;++i){ncells[i]=cells[i].slice(0)}return ncells}exports.cloneCells=cloneCells;function compareCells(a,b){var n=a.length,t=a.length-b.length,min=Math.min;if(t){return t}switch(n){case 0:return 0;case 1:return a[0]-b[0];case 2:var d=a[0]+a[1]-b[0]-b[1];if(d){return d}return min(a[0],a[1])-min(b[0],b[1]);case 3:var l1=a[0]+a[1],m1=b[0]+b[1];d=l1+a[2]-(m1+b[2]);if(d){return d}var l0=min(a[0],a[1]),m0=min(b[0],b[1]),d=min(l0,a[2])-min(m0,b[2]);if(d){return d}return min(l0+a[2],l1)-min(m0+b[2],m1);default:var as=a.slice(0);as.sort();var bs=b.slice(0);bs.sort();for(var i=0;i<n;++i){t=as[i]-bs[i];if(t){return t}}return 0}}exports.compareCells=compareCells;function compareZipped(a,b){return compareCells(a[0],b[0])}function normalize(cells,attr){if(attr){var len=cells.length;var zipped=new Array(len);for(var i=0;i<len;++i){zipped[i]=[cells[i],attr[i]]}zipped.sort(compareZipped);for(var i=0;i<len;++i){cells[i]=zipped[i][0];attr[i]=zipped[i][1]}return cells}else{cells.sort(compareCells);return cells}}exports.normalize=normalize;function unique(cells){if(cells.length===0){return[]}var ptr=1,len=cells.length;for(var i=1;i<len;++i){var a=cells[i];if(compareCells(a,cells[i-1])){if(i===ptr){ptr++;continue}cells[ptr++]=a}}cells.length=ptr;return cells}exports.unique=unique;function findCell(cells,c){var lo=0,hi=cells.length-1,r=-1;while(lo<=hi){var mid=lo+hi>>1,s=compareCells(cells[mid],c);if(s<=0){if(s===0){r=mid}lo=mid+1}else if(s>0){hi=mid-1}}return r}exports.findCell=findCell;function incidence(from_cells,to_cells){var index=new Array(from_cells.length);for(var i=0,il=index.length;i<il;++i){index[i]=[]}var b=[];for(var i=0,n=to_cells.length;i<n;++i){var c=to_cells[i];var cl=c.length;for(var k=1,kn=1<<cl;k<kn;++k){b.length=bits.popCount(k);var l=0;for(var j=0;j<cl;++j){if(k&1<<j){b[l++]=c[j]}}var idx=findCell(from_cells,b);if(idx<0){continue}while(true){index[idx++].push(i);if(idx>=from_cells.length||compareCells(from_cells[idx],b)!==0){break}}}}return index}exports.incidence=incidence;function dual(cells,vertex_count){if(!vertex_count){return incidence(unique(skeleton(cells,0)),cells,0)}var res=new Array(vertex_count);for(var i=0;i<vertex_count;++i){res[i]=[]}for(var i=0,len=cells.length;i<len;++i){var c=cells[i];for(var j=0,cl=c.length;j<cl;++j){res[c[j]].push(i)}}return res}exports.dual=dual;function explode(cells){var result=[];for(var i=0,il=cells.length;i<il;++i){var c=cells[i],cl=c.length|0;for(var j=1,jl=1<<cl;j<jl;++j){var b=[];for(var k=0;k<cl;++k){if(j>>>k&1){b.push(c[k])}}result.push(b)}}return normalize(result)}exports.explode=explode;function skeleton(cells,n){if(n<0){return[]}var result=[],k0=(1<<n+1)-1;for(var i=0;i<cells.length;++i){var c=cells[i];for(var k=k0;k<1<<c.length;k=bits.nextCombination(k)){var b=new Array(n+1),l=0;for(var j=0;j<c.length;++j){if(k&1<<j){b[l++]=c[j]}}result.push(b)}}return normalize(result)}exports.skeleton=skeleton;function boundary(cells){var res=[];for(var i=0,il=cells.length;i<il;++i){var c=cells[i];for(var j=0,cl=c.length;j<cl;++j){var b=new Array(c.length-1);for(var k=0,l=0;k<cl;++k){if(k!==j){b[l++]=c[k]}}res.push(b)}}return normalize(res)}exports.boundary=boundary;function connectedComponents_dense(cells,vertex_count){var labels=new UnionFind(vertex_count);for(var i=0;i<cells.length;++i){var c=cells[i];for(var j=0;j<c.length;++j){for(var k=j+1;k<c.length;++k){labels.link(c[j],c[k])}}}var components=[],component_labels=labels.ranks;for(var i=0;i<component_labels.length;++i){component_labels[i]=-1}for(var i=0;i<cells.length;++i){var l=labels.find(cells[i][0]);if(component_labels[l]<0){component_labels[l]=components.length;components.push([cells[i].slice(0)])}else{components[component_labels[l]].push(cells[i].slice(0))}}return components}function connectedComponents_sparse(cells){var vertices=unique(normalize(skeleton(cells,0))),labels=new UnionFind(vertices.length);for(var i=0;i<cells.length;++i){var c=cells[i];for(var j=0;j<c.length;++j){var vj=findCell(vertices,[c[j]]);for(var k=j+1;k<c.length;++k){labels.link(vj,findCell(vertices,[c[k]]))}}}var components=[],component_labels=labels.ranks;for(var i=0;i<component_labels.length;++i){component_labels[i]=-1}for(var i=0;i<cells.length;++i){var l=labels.find(findCell(vertices,[cells[i][0]]));if(component_labels[l]<0){component_labels[l]=components.length;components.push([cells[i].slice(0)])}else{components[component_labels[l]].push(cells[i].slice(0))}}return components}function connectedComponents(cells,vertex_count){if(vertex_count){return connectedComponents_dense(cells,vertex_count)}return connectedComponents_sparse(cells)}exports.connectedComponents=connectedComponents},{"bit-twiddle":73,"union-find":74}],76:[function(require,module,exports){"use strict";module.exports=monotoneConvexHull2D;var orient=require("robust-orientation")[3];function monotoneConvexHull2D(points){var n=points.length;if(n<3){var result=new Array(n);for(var i=0;i<n;++i){result[i]=i}if(n===2&&points[0][0]===points[1][0]&&points[0][1]===points[1][1]){return[0]}return result}var sorted=new Array(n);for(var i=0;i<n;++i){sorted[i]=i}sorted.sort(function(a,b){var d=points[a][0]-points[b][0];if(d){return d}return points[a][1]-points[b][1]});var lower=[sorted[0],sorted[1]];var upper=[sorted[0],sorted[1]];for(var i=2;i<n;++i){var idx=sorted[i];var p=points[idx];var m=lower.length;while(m>1&&orient(points[lower[m-2]],points[lower[m-1]],p)<=0){m-=1;lower.pop()}lower.push(idx);m=upper.length;while(m>1&&orient(points[upper[m-2]],points[upper[m-1]],p)>=0){m-=1;upper.pop()}upper.push(idx)}var result=new Array(upper.length+lower.length-2);var ptr=0;for(var i=0,nl=lower.length;i<nl;++i){result[ptr++]=lower[i]}for(var j=upper.length-2;j>0;--j){result[ptr++]=upper[j]}return result}},{"robust-orientation":82}],77:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10}],78:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{dup:11,"two-product":81,"two-sum":77}],79:[function(require,module,exports){arguments[4][62][0].apply(exports,arguments)},{dup:62}],80:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],81:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],82:[function(require,module,exports){arguments[4][65][0].apply(exports,arguments)},{dup:65,"robust-scale":78,"robust-subtract":79,"robust-sum":80,"two-product":81}],83:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");var INSERTION_SORT_THRESHOLD=32;function getMallocFree(dtype){switch(dtype){case"uint8":return[pool.mallocUint8,pool.freeUint8];case"uint16":return[pool.mallocUint16,pool.freeUint16];case"uint32":return[pool.mallocUint32,pool.freeUint32];case"int8":return[pool.mallocInt8,pool.freeInt8];case"int16":return[pool.mallocInt16,pool.freeInt16];case"int32":return[pool.mallocInt32,pool.freeInt32];case"float32":return[pool.mallocFloat,pool.freeFloat];case"float64":return[pool.mallocDouble,pool.freeDouble];default:return null}}function shapeArgs(dimension){var args=[];for(var i=0;i<dimension;++i){args.push("s"+i)}for(var i=0;i<dimension;++i){args.push("n"+i)}for(var i=1;i<dimension;++i){args.push("d"+i)}for(var i=1;i<dimension;++i){args.push("e"+i)}for(var i=1;i<dimension;++i){args.push("f"+i)}return args}function createInsertionSort(order,dtype){var code=["'use strict'"];var funcName=["ndarrayInsertionSort",order.join("d"),dtype].join("");var funcArgs=["left","right","data","offset"].concat(shapeArgs(order.length));var allocator=getMallocFree(dtype);var vars=["i,j,cptr,ptr=left*s0+offset"];if(order.length>1){var scratch_shape=[];for(var i=1;i<order.length;++i){vars.push("i"+i);scratch_shape.push("n"+i)}if(allocator){vars.push("scratch=malloc("+scratch_shape.join("*")+")")}else{vars.push("scratch=new Array("+scratch_shape.join("*")+")")}vars.push("dptr","sptr","a","b")}else{vars.push("scratch")}function dataRead(ptr){if(dtype==="generic"){return["data.get(",ptr,")"].join("")}return["data[",ptr,"]"].join("")}function dataWrite(ptr,v){if(dtype==="generic"){return["data.set(",ptr,",",v,")"].join("")}return["data[",ptr,"]=",v].join("")}code.push(["function ",funcName,"(",funcArgs.join(","),"){var ",vars.join(",")].join(""),"for(i=left+1;i<=right;++i){","j=i;ptr+=s0","cptr=ptr");if(order.length>1){code.push("dptr=0;sptr=ptr");for(var i=order.length-1;i>=0;--i){var j=order[i];if(j===0){continue}code.push(["for(i",j,"=0;i",j,"<n",j,";++i",j,"){"].join(""))}code.push("scratch[dptr++]=",dataRead("sptr"));for(var i=0;i<order.length;++i){var j=order[i];if(j===0){continue}code.push("sptr+=d"+j,"}")}code.push("__g:while(j-->left){","dptr=0","sptr=cptr-s0");for(var i=1;i<order.length;++i){if(i===1){code.push("__l:")}code.push(["for(i",i,"=0;i",i,"<n",i,";++i",i,"){"].join(""))}code.push(["a=",dataRead("sptr"),"\nb=scratch[dptr]\nif(a<b){break __g}\nif(a>b){break __l}"].join(""));for(var i=order.length-1;i>=1;--i){code.push("sptr+=e"+i,"dptr+=f"+i,"}")}code.push("dptr=cptr;sptr=cptr-s0");for(var i=order.length-1;i>=0;--i){var j=order[i];if(j===0){continue}code.push(["for(i",j,"=0;i",j,"<n",j,";++i",j,"){"].join(""))}code.push(dataWrite("dptr",dataRead("sptr")));for(var i=0;i<order.length;++i){var j=order[i];if(j===0){continue}code.push(["dptr+=d",j,";sptr+=d",j].join(""),"}")}code.push("cptr-=s0\n}");code.push("dptr=cptr;sptr=0");for(var i=order.length-1;i>=0;--i){var j=order[i];if(j===0){continue}code.push(["for(i",j,"=0;i",j,"<n",j,";++i",j,"){"].join(""))}code.push(dataWrite("dptr","scratch[sptr++]"));for(var i=0;i<order.length;++i){var j=order[i];if(j===0){continue}code.push("dptr+=d"+j,"}")}}else{code.push("scratch="+dataRead("ptr"),"while((j-->left)&&("+dataRead("cptr-s0")+">scratch)){",dataWrite("cptr",dataRead("cptr-s0")),"cptr-=s0","}",dataWrite("cptr","scratch"))}code.push("}");if(order.length>1&&allocator){code.push("free(scratch)")}code.push("} return "+funcName);if(allocator){var result=new Function("malloc","free",code.join("\n"));return result(allocator[0],allocator[1])}else{var result=new Function(code.join("\n"));return result()}}function createQuickSort(order,dtype,insertionSort){var code=["'use strict'"];var funcName=["ndarrayQuickSort",order.join("d"),dtype].join("");var funcArgs=["left","right","data","offset"].concat(shapeArgs(order.length));var allocator=getMallocFree(dtype);var labelCounter=0;code.push(["function ",funcName,"(",funcArgs.join(","),"){"].join(""));var vars=["sixth=((right-left+1)/6)|0","index1=left+sixth","index5=right-sixth","index3=(left+right)>>1","index2=index3-sixth","index4=index3+sixth","el1=index1","el2=index2","el3=index3","el4=index4","el5=index5","less=left+1","great=right-1","pivots_are_equal=true","tmp","tmp0","x","y","z","k","ptr0","ptr1","ptr2","comp_pivot1=0","comp_pivot2=0","comp=0"];

if(order.length>1){var ele_size=[];for(var i=1;i<order.length;++i){ele_size.push("n"+i);vars.push("i"+i)}for(var i=0;i<8;++i){vars.push("b_ptr"+i)}vars.push("ptr3","ptr4","ptr5","ptr6","ptr7","pivot_ptr","ptr_shift","elementSize="+ele_size.join("*"));if(allocator){vars.push("pivot1=malloc(elementSize)","pivot2=malloc(elementSize)")}else{vars.push("pivot1=new Array(elementSize),pivot2=new Array(elementSize)")}}else{vars.push("pivot1","pivot2")}code.push("var "+vars.join(","));function toPointer(v){return["(offset+",v,"*s0)"].join("")}function dataRead(ptr){if(dtype==="generic"){return["data.get(",ptr,")"].join("")}return["data[",ptr,"]"].join("")}function dataWrite(ptr,v){if(dtype==="generic"){return["data.set(",ptr,",",v,")"].join("")}return["data[",ptr,"]=",v].join("")}function cacheLoop(ptrs,usePivot,body){if(ptrs.length===1){code.push("ptr0="+toPointer(ptrs[0]))}else{for(var i=0;i<ptrs.length;++i){code.push(["b_ptr",i,"=s0*",ptrs[i]].join(""))}}if(usePivot){code.push("pivot_ptr=0")}code.push("ptr_shift=offset");for(var i=order.length-1;i>=0;--i){var j=order[i];if(j===0){continue}code.push(["for(i",j,"=0;i",j,"<n",j,";++i",j,"){"].join(""))}if(ptrs.length>1){for(var i=0;i<ptrs.length;++i){code.push(["ptr",i,"=b_ptr",i,"+ptr_shift"].join(""))}}code.push(body);if(usePivot){code.push("++pivot_ptr")}for(var i=0;i<order.length;++i){var j=order[i];if(j===0){continue}if(ptrs.length>1){code.push("ptr_shift+=d"+j)}else{code.push("ptr0+=d"+j)}code.push("}")}}function lexicoLoop(label,ptrs,usePivot,body){if(ptrs.length===1){code.push("ptr0="+toPointer(ptrs[0]))}else{for(var i=0;i<ptrs.length;++i){code.push(["b_ptr",i,"=s0*",ptrs[i]].join(""))}code.push("ptr_shift=offset")}if(usePivot){code.push("pivot_ptr=0")}if(label){code.push(label+":")}for(var i=1;i<order.length;++i){code.push(["for(i",i,"=0;i",i,"<n",i,";++i",i,"){"].join(""))}if(ptrs.length>1){for(var i=0;i<ptrs.length;++i){code.push(["ptr",i,"=b_ptr",i,"+ptr_shift"].join(""))}}code.push(body);for(var i=order.length-1;i>=1;--i){if(usePivot){code.push("pivot_ptr+=f"+i)}if(ptrs.length>1){code.push("ptr_shift+=e"+i)}else{code.push("ptr0+=e"+i)}code.push("}")}}function cleanUp(){if(order.length>1&&allocator){code.push("free(pivot1)","free(pivot2)")}}function compareSwap(a_id,b_id){var a="el"+a_id;var b="el"+b_id;if(order.length>1){var lbl="__l"+ ++labelCounter;lexicoLoop(lbl,[a,b],false,["comp=",dataRead("ptr0"),"-",dataRead("ptr1"),"\n","if(comp>0){tmp0=",a,";",a,"=",b,";",b,"=tmp0;break ",lbl,"}\n","if(comp<0){break ",lbl,"}"].join(""))}else{code.push(["if(",dataRead(toPointer(a)),">",dataRead(toPointer(b)),"){tmp0=",a,";",a,"=",b,";",b,"=tmp0}"].join(""))}}compareSwap(1,2);compareSwap(4,5);compareSwap(1,3);compareSwap(2,3);compareSwap(1,4);compareSwap(3,4);compareSwap(2,5);compareSwap(2,3);compareSwap(4,5);if(order.length>1){cacheLoop(["el1","el2","el3","el4","el5","index1","index3","index5"],true,["pivot1[pivot_ptr]=",dataRead("ptr1"),"\n","pivot2[pivot_ptr]=",dataRead("ptr3"),"\n","pivots_are_equal=pivots_are_equal&&(pivot1[pivot_ptr]===pivot2[pivot_ptr])\n","x=",dataRead("ptr0"),"\n","y=",dataRead("ptr2"),"\n","z=",dataRead("ptr4"),"\n",dataWrite("ptr5","x"),"\n",dataWrite("ptr6","y"),"\n",dataWrite("ptr7","z")].join(""))}else{code.push(["pivot1=",dataRead(toPointer("el2")),"\n","pivot2=",dataRead(toPointer("el4")),"\n","pivots_are_equal=pivot1===pivot2\n","x=",dataRead(toPointer("el1")),"\n","y=",dataRead(toPointer("el3")),"\n","z=",dataRead(toPointer("el5")),"\n",dataWrite(toPointer("index1"),"x"),"\n",dataWrite(toPointer("index3"),"y"),"\n",dataWrite(toPointer("index5"),"z")].join(""))}function moveElement(dst,src){if(order.length>1){cacheLoop([dst,src],false,dataWrite("ptr0",dataRead("ptr1")))}else{code.push(dataWrite(toPointer(dst),dataRead(toPointer(src))))}}moveElement("index2","left");moveElement("index4","right");function comparePivot(result,ptr,n){if(order.length>1){var lbl="__l"+ ++labelCounter;lexicoLoop(lbl,[ptr],true,[result,"=",dataRead("ptr0"),"-pivot",n,"[pivot_ptr]\n","if(",result,"!==0){break ",lbl,"}"].join(""))}else{code.push([result,"=",dataRead(toPointer(ptr)),"-pivot",n].join(""))}}function swapElements(a,b){if(order.length>1){cacheLoop([a,b],false,["tmp=",dataRead("ptr0"),"\n",dataWrite("ptr0",dataRead("ptr1")),"\n",dataWrite("ptr1","tmp")].join(""))}else{code.push(["ptr0=",toPointer(a),"\n","ptr1=",toPointer(b),"\n","tmp=",dataRead("ptr0"),"\n",dataWrite("ptr0",dataRead("ptr1")),"\n",dataWrite("ptr1","tmp")].join(""))}}function tripleSwap(k,less,great){if(order.length>1){cacheLoop([k,less,great],false,["tmp=",dataRead("ptr0"),"\n",dataWrite("ptr0",dataRead("ptr1")),"\n",dataWrite("ptr1",dataRead("ptr2")),"\n",dataWrite("ptr2","tmp")].join(""));code.push("++"+less,"--"+great)}else{code.push(["ptr0=",toPointer(k),"\n","ptr1=",toPointer(less),"\n","ptr2=",toPointer(great),"\n","++",less,"\n","--",great,"\n","tmp=",dataRead("ptr0"),"\n",dataWrite("ptr0",dataRead("ptr1")),"\n",dataWrite("ptr1",dataRead("ptr2")),"\n",dataWrite("ptr2","tmp")].join(""))}}function swapAndDecrement(k,great){swapElements(k,great);code.push("--"+great)}code.push("if(pivots_are_equal){");code.push("for(k=less;k<=great;++k){");comparePivot("comp","k",1);code.push("if(comp===0){continue}");code.push("if(comp<0){");code.push("if(k!==less){");swapElements("k","less");code.push("}");code.push("++less");code.push("}else{");code.push("while(true){");comparePivot("comp","great",1);code.push("if(comp>0){");code.push("great--");code.push("}else if(comp<0){");tripleSwap("k","less","great");code.push("break");code.push("}else{");swapAndDecrement("k","great");code.push("break");code.push("}");code.push("}");code.push("}");code.push("}");code.push("}else{");code.push("for(k=less;k<=great;++k){");comparePivot("comp_pivot1","k",1);code.push("if(comp_pivot1<0){");code.push("if(k!==less){");swapElements("k","less");code.push("}");code.push("++less");code.push("}else{");comparePivot("comp_pivot2","k",2);code.push("if(comp_pivot2>0){");code.push("while(true){");comparePivot("comp","great",2);code.push("if(comp>0){");code.push("if(--great<k){break}");code.push("continue");code.push("}else{");comparePivot("comp","great",1);code.push("if(comp<0){");tripleSwap("k","less","great");code.push("}else{");swapAndDecrement("k","great");code.push("}");code.push("break");code.push("}");code.push("}");code.push("}");code.push("}");code.push("}");code.push("}");function storePivot(mem_dest,pivot_dest,pivot){if(order.length>1){cacheLoop([mem_dest,pivot_dest],true,[dataWrite("ptr0",dataRead("ptr1")),"\n",dataWrite("ptr1",["pivot",pivot,"[pivot_ptr]"].join(""))].join(""))}else{code.push(dataWrite(toPointer(mem_dest),dataRead(toPointer(pivot_dest))),dataWrite(toPointer(pivot_dest),"pivot"+pivot))}}storePivot("left","(less-1)",1);storePivot("right","(great+1)",2);function doSort(left,right){code.push(["if((",right,"-",left,")<=",INSERTION_SORT_THRESHOLD,"){\n","insertionSort(",left,",",right,",data,offset,",shapeArgs(order.length).join(","),")\n","}else{\n",funcName,"(",left,",",right,",data,offset,",shapeArgs(order.length).join(","),")\n","}"].join(""))}doSort("left","(less-2)");doSort("(great+2)","right");code.push("if(pivots_are_equal){");cleanUp();code.push("return");code.push("}");function walkPointer(ptr,pivot,body){if(order.length>1){code.push(["__l",++labelCounter,":while(true){"].join(""));cacheLoop([ptr],true,["if(",dataRead("ptr0"),"!==pivot",pivot,"[pivot_ptr]){break __l",labelCounter,"}"].join(""));code.push(body,"}")}else{code.push(["while(",dataRead(toPointer(ptr)),"===pivot",pivot,"){",body,"}"].join(""))}}code.push("if(less<index1&&great>index5){");walkPointer("less",1,"++less");walkPointer("great",2,"--great");code.push("for(k=less;k<=great;++k){");comparePivot("comp_pivot1","k",1);code.push("if(comp_pivot1===0){");code.push("if(k!==less){");swapElements("k","less");code.push("}");code.push("++less");code.push("}else{");comparePivot("comp_pivot2","k",2);code.push("if(comp_pivot2===0){");code.push("while(true){");comparePivot("comp","great",2);code.push("if(comp===0){");code.push("if(--great<k){break}");code.push("continue");code.push("}else{");comparePivot("comp","great",1);code.push("if(comp<0){");tripleSwap("k","less","great");code.push("}else{");swapAndDecrement("k","great");code.push("}");code.push("break");code.push("}");code.push("}");code.push("}");code.push("}");code.push("}");code.push("}");cleanUp();doSort("less","great");code.push("}return "+funcName);if(order.length>1&&allocator){var compiled=new Function("insertionSort","malloc","free",code.join("\n"));return compiled(insertionSort,allocator[0],allocator[1])}var compiled=new Function("insertionSort",code.join("\n"));return compiled(insertionSort)}function compileSort(order,dtype){var code=["'use strict'"];var funcName=["ndarraySortWrapper",order.join("d"),dtype].join("");var funcArgs=["array"];code.push(["function ",funcName,"(",funcArgs.join(","),"){"].join(""));var vars=["data=array.data,offset=array.offset|0,shape=array.shape,stride=array.stride"];for(var i=0;i<order.length;++i){vars.push(["s",i,"=stride[",i,"]|0,n",i,"=shape[",i,"]|0"].join(""))}var scratch_stride=new Array(order.length);var nprod=[];for(var i=0;i<order.length;++i){var k=order[i];if(k===0){continue}if(nprod.length===0){scratch_stride[k]="1"}else{scratch_stride[k]=nprod.join("*")}nprod.push("n"+k)}var p=-1,q=-1;for(var i=0;i<order.length;++i){var j=order[i];if(j!==0){if(p>0){vars.push(["d",j,"=s",j,"-d",p,"*n",p].join(""))}else{vars.push(["d",j,"=s",j].join(""))}p=j}var k=order.length-1-i;if(k!==0){if(q>0){vars.push(["e",k,"=s",k,"-e",q,"*n",q,",f",k,"=",scratch_stride[k],"-f",q,"*n",q].join(""))}else{vars.push(["e",k,"=s",k,",f",k,"=",scratch_stride[k]].join(""))}q=k}}code.push("var "+vars.join(","));var sortArgs=["0","n0-1","data","offset"].concat(shapeArgs(order.length));code.push(["if(n0<=",INSERTION_SORT_THRESHOLD,"){","insertionSort(",sortArgs.join(","),")}else{","quickSort(",sortArgs.join(","),")}"].join(""));code.push("}return "+funcName);var result=new Function("insertionSort","quickSort",code.join("\n"));var insertionSort=createInsertionSort(order,dtype);var quickSort=createQuickSort(order,dtype,insertionSort);return result(insertionSort,quickSort)}module.exports=compileSort},{"typedarray-pool":87}],84:[function(require,module,exports){"use strict";var compile=require("./lib/compile_sort.js");var CACHE={};function sort(array){var order=array.order;var dtype=array.dtype;var typeSig=[order,dtype];var typeName=typeSig.join(":");var compiled=CACHE[typeName];if(!compiled){CACHE[typeName]=compiled=compile(order,dtype)}compiled(array);return array}module.exports=sort},{"./lib/compile_sort.js":83}],85:[function(require,module,exports){arguments[4][73][0].apply(exports,arguments)},{dup:73}],86:[function(require,module,exports){"use strict";function dupe_array(count,value,i){var c=count[i]|0;if(c<=0){return[]}var result=new Array(c),j;if(i===count.length-1){for(j=0;j<c;++j){result[j]=value}}else{for(j=0;j<c;++j){result[j]=dupe_array(count,value,i+1)}}return result}function dupe_number(count,value){var result,i;result=new Array(count);for(i=0;i<count;++i){result[i]=value}return result}function dupe(count,value){if(typeof value==="undefined"){value=0}switch(typeof count){case"number":if(count>0){return dupe_number(count|0,value)}break;case"object":if(typeof count.length==="number"){return dupe_array(count,value,0)}break}return[]}module.exports=dupe},{}],87:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":85,buffer:1,dup:86}],"gl-mesh3d":[function(require,module,exports){"use strict";var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var createTexture=require("gl-texture2d");var createShader=require("gl-shader");var normals=require("normals");var multiply=require("gl-mat4/multiply");var invert=require("gl-mat4/invert");var ndarray=require("ndarray");var colormap=require("colormap");var getContour=require("simplicial-complex-contour");var pool=require("typedarray-pool");var shaders=require("./lib/shaders");var closestPoint=require("./lib/closest-point");var meshShader=shaders.meshShader;var wireShader=shaders.wireShader;var pointShader=shaders.pointShader;var pickShader=shaders.pickShader;var pointPickShader=shaders.pointPickShader;var contourShader=shaders.contourShader;var identityMatrix=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];function SimplicialMesh(gl,texture,triShader,lineShader,pointShader,pickShader,pointPickShader,contourShader,trianglePositions,triangleIds,triangleColors,triangleUVs,triangleNormals,triangleVAO,edgePositions,edgeIds,edgeColors,edgeUVs,edgeVAO,pointPositions,pointIds,pointColors,pointUVs,pointSizes,pointVAO,contourPositions,contourVAO){this.gl=gl;this.cells=[];this.positions=[];this.intensity=[];this.texture=texture;this.dirty=true;this.triShader=triShader;this.lineShader=lineShader;this.pointShader=pointShader;this.pickShader=pickShader;this.pointPickShader=pointPickShader;this.contourShader=contourShader;this.trianglePositions=trianglePositions;this.triangleColors=triangleColors;this.triangleNormals=triangleNormals;this.triangleUVs=triangleUVs;this.triangleIds=triangleIds;this.triangleVAO=triangleVAO;this.triangleCount=0;this.lineWidth=1;this.edgePositions=edgePositions;this.edgeColors=edgeColors;this.edgeUVs=edgeUVs;this.edgeIds=edgeIds;this.edgeVAO=edgeVAO;this.edgeCount=0;this.pointPositions=pointPositions;this.pointColors=pointColors;this.pointUVs=pointUVs;this.pointSizes=pointSizes;this.pointIds=pointIds;this.pointVAO=pointVAO;this.pointCount=0;this.contourLineWidth=1;this.contourPositions=contourPositions;this.contourVAO=contourVAO;this.contourCount=0;this.contourColor=[0,0,0];this.contourEnable=true;this.pickId=1;this.bounds=[[Infinity,Infinity,Infinity],[-Infinity,-Infinity,-Infinity]];this.clipBounds=[[-Infinity,-Infinity,-Infinity],[Infinity,Infinity,Infinity]];this.lightPosition=[1e5,1e5,0];this.ambientLight=.8;this.diffuseLight=.8;this.specularLight=2;this.roughness=.5;this.fresnel=1.5;this.opacity=1;this._model=identityMatrix;this._view=identityMatrix;this._projection=identityMatrix;this._resolution=[1,1]}var proto=SimplicialMesh.prototype;proto.isOpaque=function(){return this.opacity>=1};proto.isTransparent=function(){return this.opacity<1};proto.pickSlots=1;proto.setPickBase=function(id){this.pickId=id};function genColormap(param){var colors=colormap({colormap:param,nshades:256,format:"rgba"});var result=new Uint8Array(256*4);for(var i=0;i<256;++i){var c=colors[i];for(var j=0;j<3;++j){result[4*i+j]=c[j]}result[4*i+3]=c[3]*255}return ndarray(result,[256,256,4],[4,0,1])}function unpackIntensity(cells,numVerts,cellIntensity){var result=new Array(numVerts);for(var i=0;i<numVerts;++i){result[i]=0}var numCells=cells.length;for(var i=0;i<numCells;++i){var c=cells[i];for(var j=0;j<c.length;++j){result[c[j]]=cellIntensity[i]}}return result}function takeZComponent(array){var n=array.length;var result=new Array(n);for(var i=0;i<n;++i){result[i]=array[i][2]}return result}proto.highlight=function(selection){if(!selection||!this.contourEnable){this.contourCount=0;return}var level=getContour(this.cells,this.intensity,selection.intensity);var cells=level.cells;var vertexIds=level.vertexIds;var vertexWeights=level.vertexWeights;var numCells=cells.length;var result=pool.mallocFloat32(2*3*numCells);var ptr=0;for(var i=0;i<numCells;++i){var c=cells[i];for(var j=0;j<2;++j){var v=c[0];if(c.length===2){v=c[j]}var a=vertexIds[v][0];var b=vertexIds[v][1];var w=vertexWeights[v];var wi=1-w;var pa=this.positions[a];var pb=this.positions[b];for(var k=0;k<3;++k){result[ptr++]=w*pa[k]+wi*pb[k]}}}this.contourCount=ptr/3|0;this.contourPositions.update(result.subarray(0,ptr));pool.free(result)};proto.update=function(params){params=params||{};var gl=this.gl;this.dirty=true;if("contourEnable"in params){this.contourEnable=params.contourEnable}if("contourColor"in params){this.contourColor=params.contourColor}if("lineWidth"in params){this.lineWidth=params.lineWidth}if("opacity"in params){this.opacity=params.opacity}if(params.texture){this.texture.dispose();this.texture=createTexture(gl,params.texture)}else if(params.colormap){this.texture.shape=[256,256];this.texture.minFilter=gl.LINEAR_MIPMAP_LINEAR;this.texture.magFilter=gl.LINEAR;this.texture.setPixels(genColormap(params.colormap));this.texture.generateMipmap()}var cells=params.cells;var positions=params.positions;if(!positions||!cells){return}var tPos=[];var tCol=[];var tNor=[];var tUVs=[];var tIds=[];var ePos=[];var eCol=[];var eUVs=[];var eIds=[];var pPos=[];var pCol=[];var pUVs=[];var pSiz=[];var pIds=[];this.cells=cells;this.positions=positions;var vertexNormals=params.vertexNormals;var cellNormals=params.cellNormals;if(params.useFacetNormals&&!cellNormals){cellNormals=normals.faceNormals(cells,positions)}if(!cellNormals&&!vertexNormals){vertexNormals=normals.vertexNormals(cells,positions)}var vertexColors=params.vertexColors;var cellColors=params.cellColors;var meshColor=params.meshColor||[1,1,1,1];var vertexUVs=params.vertexUVs;var vertexIntensity=params.vertexIntensity;var cellUVs=params.cellUVs;var cellIntensity=params.cellIntensity;var intensityLo=Infinity;var intensityHi=-Infinity;if(!vertexUVs&&!cellUVs){if(vertexIntensity){for(var i=0;i<vertexIntensity.length;++i){var f=vertexIntensity[i];intensityLo=Math.min(intensityLo,f);intensityHi=Math.max(intensityHi,f)}}else if(cellIntensity){for(var i=0;i<cellIntensity.length;++i){var f=cellIntensity[i];intensityLo=Math.min(intensityLo,f);intensityHi=Math.max(intensityHi,f)}}else{for(var i=0;i<positions.length;++i){var f=positions[i][2];intensityLo=Math.min(intensityLo,f);intensityHi=Math.max(intensityHi,f)}}}if(vertexIntensity){this.intensity=vertexIntensity}else if(cellIntensity){this.intensity=unpackIntensity(cells,positions.length,cellIntensity)}else{this.intensity=takeZComponent(positions)}var pointSizes=params.pointSizes;var meshPointSize=params.pointSize||1;this.bounds=[[Infinity,Infinity,Infinity],[-Infinity,-Infinity,-Infinity]];for(var i=0;i<positions.length;++i){var p=positions[i];for(var j=0;j<3;++j){if(isNaN(p[j])||!isFinite(p[j])){continue}this.bounds[0][j]=Math.min(this.bounds[0][j],p[j]);this.bounds[1][j]=Math.max(this.bounds[1][j],p[j])}}var triangleCount=0;var edgeCount=0;var pointCount=0;fill_loop:for(var i=0;i<cells.length;++i){var cell=cells[i];switch(cell.length){case 1:var v=cell[0];var p=positions[v];for(var j=0;j<3;++j){if(isNaN(p[j])||!isFinite(p[j])){continue fill_loop}}pPos.push(p[0],p[1],p[2]);var c;if(vertexColors){c=vertexColors[v]}else if(cellColors){c=cellColors[i]}else{c=meshColor}if(c.length===3){pCol.push(c[0],c[1],c[2],1)}else{pCol.push(c[0],c[1],c[2],c[3])}var uv;if(vertexUVs){uv=vertexUVs[v]}else if(vertexIntensity){uv=[(vertexIntensity[v]-intensityLo)/(intensityHi-intensityLo),0]}else if(cellUVs){uv=cellUVs[i]}else if(cellIntensity){uv=[(cellIntensity[i]-intensityLo)/(intensityHi-intensityLo),0]}else{uv=[(p[2]-intensityLo)/(intensityHi-intensityLo),0]}pUVs.push(uv[0],uv[1]);if(pointSizes){pSiz.push(pointSizes[v])}else{pSiz.push(meshPointSize)}pIds.push(i);pointCount+=1;break;case 2:for(var j=0;j<2;++j){var v=cell[j];var p=positions[v];for(var k=0;k<3;++k){if(isNaN(p[k])||!isFinite(p[k])){continue fill_loop}}}for(var j=0;j<2;++j){var v=cell[j];var p=positions[v];ePos.push(p[0],p[1],p[2]);var c;if(vertexColors){c=vertexColors[v]}else if(cellColors){c=cellColors[i]}else{c=meshColor}if(c.length===3){eCol.push(c[0],c[1],c[2],1)}else{eCol.push(c[0],c[1],c[2],c[3])}var uv;if(vertexUVs){uv=vertexUVs[v]}else if(vertexIntensity){uv=[(vertexIntensity[v]-intensityLo)/(intensityHi-intensityLo),0]}else if(cellUVs){uv=cellUVs[i]}else if(cellIntensity){uv=[(cellIntensity[i]-intensityLo)/(intensityHi-intensityLo),0]}else{uv=[(p[2]-intensityLo)/(intensityHi-intensityLo),0]}eUVs.push(uv[0],uv[1]);eIds.push(i)}edgeCount+=1;break;case 3:for(var j=0;j<3;++j){var v=cell[j];var p=positions[v];for(var k=0;k<3;++k){if(isNaN(p[k])||!isFinite(p[k])){continue fill_loop}}}for(var j=0;j<3;++j){var v=cell[j];var p=positions[v];tPos.push(p[0],p[1],p[2]);var c;if(vertexColors){c=vertexColors[v]}else if(cellColors){c=cellColors[i]}else{c=meshColor}if(c.length===3){tCol.push(c[0],c[1],c[2],1)}else{tCol.push(c[0],c[1],c[2],c[3])}var uv;if(vertexUVs){uv=vertexUVs[v]}else if(vertexIntensity){uv=[(vertexIntensity[v]-intensityLo)/(intensityHi-intensityLo),0]}else if(cellUVs){uv=cellUVs[i]}else if(cellIntensity){uv=[(cellIntensity[i]-intensityLo)/(intensityHi-intensityLo),0]}else{uv=[(p[2]-intensityLo)/(intensityHi-intensityLo),0]}tUVs.push(uv[0],uv[1]);var q;if(vertexNormals){q=vertexNormals[v]}else{q=cellNormals[i]}tNor.push(q[0],q[1],q[2]);tIds.push(i)}triangleCount+=1;break;default:break}}this.pointCount=pointCount;this.edgeCount=edgeCount;this.triangleCount=triangleCount;this.pointPositions.update(pPos);this.pointColors.update(pCol);this.pointUVs.update(pUVs);this.pointSizes.update(pSiz);this.pointIds.update(new Uint32Array(pIds));this.edgePositions.update(ePos);this.edgeColors.update(eCol);this.edgeUVs.update(eUVs);this.edgeIds.update(new Uint32Array(eIds));this.trianglePositions.update(tPos);this.triangleColors.update(tCol);this.triangleUVs.update(tUVs);this.triangleNormals.update(tNor);this.triangleIds.update(new Uint32Array(tIds))};proto.drawTransparent=proto.draw=function(params){params=params||{};var gl=this.gl;var model=params.model||identityMatrix;var view=params.view||identityMatrix;var projection=params.projection||identityMatrix;var clipBounds=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]];for(var i=0;i<3;++i){clipBounds[0][i]=Math.max(clipBounds[0][i],this.clipBounds[0][i]);clipBounds[1][i]=Math.min(clipBounds[1][i],this.clipBounds[1][i])}var uniforms={model:model,view:view,projection:projection,clipBounds:clipBounds,kambient:this.ambientLight,kdiffuse:this.diffuseLight,kspecular:this.specularLight,roughness:this.roughness,fresnel:this.fresnel,eyePosition:[0,0,0],lightPosition:[0,0,0],opacity:this.opacity,contourColor:this.contourColor,texture:0};this.texture.bind(0);var invCameraMatrix=new Array(16);multiply(invCameraMatrix,uniforms.view,uniforms.model);multiply(invCameraMatrix,uniforms.projection,invCameraMatrix);invert(invCameraMatrix,invCameraMatrix);for(var i=0;i<3;++i){uniforms.eyePosition[i]=invCameraMatrix[12+i]/invCameraMatrix[15]}var w=invCameraMatrix[15];for(var i=0;i<3;++i){w+=this.lightPosition[i]*invCameraMatrix[4*i+3]}for(var i=0;i<3;++i){var s=invCameraMatrix[12+i];for(var j=0;j<3;++j){s+=invCameraMatrix[4*j+i]*this.lightPosition[j]}uniforms.lightPosition[i]=s/w}if(this.triangleCount>0){var shader=this.triShader;shader.bind();shader.uniforms=uniforms;this.triangleVAO.bind();gl.drawArrays(gl.TRIANGLES,0,this.triangleCount*3);this.triangleVAO.unbind()}if(this.edgeCount>0&&this.lineWidth>0){var shader=this.lineShader;shader.bind();shader.uniforms=uniforms;this.edgeVAO.bind();gl.lineWidth(this.lineWidth);gl.drawArrays(gl.LINES,0,this.edgeCount*2);this.edgeVAO.unbind()}if(this.pointCount>0){var shader=this.pointShader;shader.bind();shader.uniforms=uniforms;this.pointVAO.bind();gl.drawArrays(gl.POINTS,0,this.pointCount);this.pointVAO.unbind()}if(this.contourEnable&&this.contourCount>0&&this.contourLineWidth>0){var shader=this.contourShader;shader.bind();shader.uniforms=uniforms;this.contourVAO.bind();gl.drawArrays(gl.LINES,0,this.contourCount);this.contourVAO.unbind()}};proto.drawPick=function(params){params=params||{};var gl=this.gl;var model=params.model||identityMatrix;var view=params.view||identityMatrix;var projection=params.projection||identityMatrix;var clipBounds=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]];for(var i=0;i<3;++i){clipBounds[0][i]=Math.max(clipBounds[0][i],this.clipBounds[0][i]);clipBounds[1][i]=Math.min(clipBounds[1][i],this.clipBounds[1][i])}this._model=[].slice.call(model);this._view=[].slice.call(view);this._projection=[].slice.call(projection);this._resolution=[gl.drawingBufferWidth,gl.drawingBufferHeight];var uniforms={model:model,view:view,projection:projection,clipBounds:clipBounds,pickId:this.pickId/255};var shader=this.pickShader;shader.bind();shader.uniforms=uniforms;if(this.triangleCount>0){this.triangleVAO.bind();gl.drawArrays(gl.TRIANGLES,0,this.triangleCount*3);this.triangleVAO.unbind()}if(this.edgeCount>0){this.edgeVAO.bind();gl.lineWidth(this.lineWidth);gl.drawArrays(gl.LINES,0,this.edgeCount*2);this.edgeVAO.unbind()}if(this.pointCount>0){var shader=this.pointPickShader;shader.bind();shader.uniforms=uniforms;this.pointVAO.bind();gl.drawArrays(gl.POINTS,0,this.pointCount);this.pointVAO.unbind()}};proto.pick=function(pickData){if(!pickData){return null}if(pickData.id!==this.pickId){return null}var cellId=pickData.value[0]+256*pickData.value[1]+65536*pickData.value[2];var cell=this.cells[cellId];var positions=this.positions;var simplex=new Array(cell.length);for(var i=0;i<cell.length;++i){simplex[i]=positions[cell[i]]}var data=closestPoint(simplex,[pickData.coord[0],this._resolution[1]-pickData.coord[1]],this._model,this._view,this._projection,this._resolution);if(!data){return null}var weights=data[2];var interpIntensity=0;for(var i=0;i<cell.length;++i){interpIntensity+=weights[i]*this.intensity[cell[i]]}return{position:data[1],index:cell[data[0]],cell:cell,cellId:cellId,intensity:interpIntensity}};proto.dispose=function(){this.texture.dispose();this.triShader.dispose();this.lineShader.dispose();this.pointShader.dispose();this.pickShader.dispose();this.pointPickShader.dispose();this.triangleVAO.dispose();this.trianglePositions.dispose();this.triangleColors.dispose();this.triangleUVs.dispose();this.triangleNormals.dispose();this.triangleIds.dispose();this.edgeVAO.dispose();this.edgePositions.dispose();this.edgeColors.dispose();this.edgeUVs.dispose();this.edgeIds.dispose();this.pointVAO.dispose();this.pointPositions.dispose();this.pointColors.dispose();this.pointUVs.dispose();this.pointSizes.dispose();this.pointIds.dispose();this.contourVAO.dispose();this.contourPoints.dispose();this.contourShader.dispose()};function createMeshShader(gl){var shader=createShader(gl,meshShader);shader.attributes.position.location=0;shader.attributes.color.location=2;shader.attributes.uv.location=3;shader.attributes.normal.location=4;return shader}function createWireShader(gl){var shader=createShader(gl,wireShader);shader.attributes.position.location=0;shader.attributes.color.location=2;shader.attributes.uv.location=3;return shader}function createPointShader(gl){var shader=createShader(gl,pointShader);shader.attributes.position.location=0;shader.attributes.color.location=2;shader.attributes.uv.location=3;shader.attributes.pointSize.location=4;return shader}function createPickShader(gl){var shader=createShader(gl,pickShader);shader.attributes.position.location=0;shader.attributes.id.location=1;return shader}function createPointPickShader(gl){var shader=createShader(gl,pointPickShader);shader.attributes.position.location=0;shader.attributes.id.location=1;shader.attributes.pointSize.location=4;return shader}function createContourShader(gl){var shader=createShader(gl,contourShader);shader.attributes.position.location=0;return shader}function createSimplicialMesh(params){var gl=params.gl;var triShader=createMeshShader(gl);var lineShader=createWireShader(gl);var pointShader=createPointShader(gl);var pickShader=createPickShader(gl);var pointPickShader=createPointPickShader(gl);var contourShader=createContourShader(gl);var meshTexture=createTexture(gl,ndarray(new Uint8Array([255,255,255,255]),[1,1,4]));meshTexture.generateMipmap();meshTexture.minFilter=gl.LINEAR_MIPMAP_LINEAR;meshTexture.magFilter=gl.LINEAR;var trianglePositions=createBuffer(gl);var triangleColors=createBuffer(gl);var triangleUVs=createBuffer(gl);var triangleNormals=createBuffer(gl);var triangleIds=createBuffer(gl);var triangleVAO=createVAO(gl,[{buffer:trianglePositions,type:gl.FLOAT,size:3},{buffer:triangleIds,type:gl.UNSIGNED_BYTE,size:4,normalized:true},{buffer:triangleColors,type:gl.FLOAT,size:4},{buffer:triangleUVs,type:gl.FLOAT,size:2},{buffer:triangleNormals,
type:gl.FLOAT,size:3}]);var edgePositions=createBuffer(gl);var edgeColors=createBuffer(gl);var edgeUVs=createBuffer(gl);var edgeIds=createBuffer(gl);var edgeVAO=createVAO(gl,[{buffer:edgePositions,type:gl.FLOAT,size:3},{buffer:edgeIds,type:gl.UNSIGNED_BYTE,size:4,normalized:true},{buffer:edgeColors,type:gl.FLOAT,size:4},{buffer:edgeUVs,type:gl.FLOAT,size:2}]);var pointPositions=createBuffer(gl);var pointColors=createBuffer(gl);var pointUVs=createBuffer(gl);var pointSizes=createBuffer(gl);var pointIds=createBuffer(gl);var pointVAO=createVAO(gl,[{buffer:pointPositions,type:gl.FLOAT,size:3},{buffer:pointIds,type:gl.UNSIGNED_BYTE,size:4,normalized:true},{buffer:pointColors,type:gl.FLOAT,size:4},{buffer:pointUVs,type:gl.FLOAT,size:2},{buffer:pointSizes,type:gl.FLOAT,size:1}]);var contourPositions=createBuffer(gl);var contourVAO=createVAO(gl,[{buffer:contourPositions,type:gl.FLOAT,size:3}]);var mesh=new SimplicialMesh(gl,meshTexture,triShader,lineShader,pointShader,pickShader,pointPickShader,contourShader,trianglePositions,triangleIds,triangleColors,triangleUVs,triangleNormals,triangleVAO,edgePositions,edgeIds,edgeColors,edgeUVs,edgeVAO,pointPositions,pointIds,pointColors,pointUVs,pointSizes,pointVAO,contourPositions,contourVAO);mesh.update(params);return mesh}module.exports=createSimplicialMesh},{"./lib/closest-point":5,"./lib/shaders":6,colormap:16,"gl-buffer":18,"gl-mat4/invert":24,"gl-mat4/multiply":25,"gl-shader":26,"gl-texture2d":40,"gl-vao":44,ndarray:47,normals:50,"simplicial-complex-contour":52,"typedarray-pool":87}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({teapot:[function(require,module,exports){exports.positions=[[5.929688,4.125,0],[5.387188,4.125,2.7475],[5.2971,4.494141,2.70917],[5.832031,4.494141,0],[5.401602,4.617188,2.753633],[5.945313,4.617188,0],[5.614209,4.494141,2.844092],[6.175781,4.494141,0],[5.848437,4.125,2.94375],[6.429688,4.125,0],[3.899688,4.125,4.97],[3.830352,4.494141,4.900664],[3.910782,4.617188,4.981094],[4.074414,4.494141,5.144727],[4.254687,4.125,5.325],[1.677188,4.125,6.4575],[1.638858,4.494141,6.367412],[1.68332,4.617188,6.471914],[1.77378,4.494141,6.684522],[1.873438,4.125,6.91875],[-1.070312,4.125,7],[-1.070312,4.494141,6.902344],[-1.070312,4.617188,7.015625],[-1.070312,4.494141,7.246094],[-1.070312,4.125,7.5],[-1.070312,4.125,7],[-4.007656,4.125,6.4575],[-3.859572,4.494141,6.367412],[-1.070312,4.494141,6.902344],[-3.847676,4.617188,6.471914],[-1.070312,4.617188,7.015625],[-3.917371,4.494141,6.684522],[-1.070312,4.494141,7.246094],[-4.014062,4.125,6.91875],[-1.070312,4.125,7.5],[-6.209063,4.125,4.97],[-6.042168,4.494141,4.900664],[-6.0725,4.617188,4.981094],[-6.217675,4.494141,5.144727],[-6.395312,4.125,5.325],[-7.591093,4.125,2.7475],[-7.464421,4.494141,2.70917],[-7.550137,4.617188,2.753633],[-7.755822,4.494141,2.844092],[-7.989062,4.125,2.94375],[-8.070313,4.125,0],[-7.972656,4.494141,0],[-8.085938,4.617188,0],[-8.316406,4.494141,0],[-8.570313,4.125,0],[-8.070313,4.125,0],[-7.527812,4.125,-2.7475],[-7.437724,4.494141,-2.70917],[-7.972656,4.494141,0],[-7.542227,4.617188,-2.753633],[-8.085938,4.617188,0],[-7.754834,4.494141,-2.844092],[-8.316406,4.494141,0],[-7.989062,4.125,-2.94375],[-8.570313,4.125,0],[-6.040312,4.125,-4.97],[-5.970977,4.494141,-4.900664],[-6.051406,4.617188,-4.981094],[-6.215039,4.494141,-5.144727],[-6.395312,4.125,-5.325],[-3.817812,4.125,-6.4575],[-3.779482,4.494141,-6.367412],[-3.823945,4.617188,-6.471914],[-3.914404,4.494141,-6.684522],[-4.014062,4.125,-6.91875],[-1.070312,4.125,-7],[-1.070312,4.494141,-6.902344],[-1.070312,4.617188,-7.015625],[-1.070312,4.494141,-7.246094],[-1.070312,4.125,-7.5],[-1.070312,4.125,-7],[1.677188,4.125,-6.4575],[1.638858,4.494141,-6.367412],[-1.070312,4.494141,-6.902344],[1.68332,4.617188,-6.471914],[-1.070312,4.617188,-7.015625],[1.77378,4.494141,-6.684522],[-1.070312,4.494141,-7.246094],[1.873438,4.125,-6.91875],[-1.070312,4.125,-7.5],[3.899688,4.125,-4.97],[3.830352,4.494141,-4.900664],[3.910782,4.617188,-4.981094],[4.074414,4.494141,-5.144727],[4.254687,4.125,-5.325],[5.387188,4.125,-2.7475],[5.2971,4.494141,-2.70917],[5.401602,4.617188,-2.753633],[5.614209,4.494141,-2.844092],[5.848437,4.125,-2.94375],[5.929688,4.125,0],[5.832031,4.494141,0],[5.945313,4.617188,0],[6.175781,4.494141,0],[6.429688,4.125,0],[6.429688,4.125,0],[5.848437,4.125,2.94375],[6.695264,2.162109,3.304053],[7.347656,2.162109,0],[7.433985,.234375,3.61836],[8.148438,.234375,0],[7.956494,-1.623047,3.840674],[8.714844,-1.623047,0],[8.154688,-3.375,3.925],[8.929688,-3.375,0],[4.254687,4.125,5.325],[4.906446,2.162109,5.976758],[5.475,.234375,6.545312],[5.877149,-1.623047,6.947461],[6.029688,-3.375,7.1],[1.873438,4.125,6.91875],[2.23374,2.162109,7.765576],[2.548047,.234375,8.504297],[2.770362,-1.623047,9.026807],[2.854688,-3.375,9.225],[-1.070312,4.125,7.5],[-1.070312,2.162109,8.417969],[-1.070312,.234375,9.21875],[-1.070312,-1.623047,9.785156],[-1.070312,-3.375,10],[-1.070312,4.125,7.5],[-4.014062,4.125,6.91875],[-4.374365,2.162109,7.765576],[-1.070312,2.162109,8.417969],[-4.688672,.234375,8.504297],[-1.070312,.234375,9.21875],[-4.910986,-1.623047,9.026807],[-1.070312,-1.623047,9.785156],[-4.995313,-3.375,9.225],[-1.070312,-3.375,10],[-6.395312,4.125,5.325],[-7.047071,2.162109,5.976758],[-7.615624,.234375,6.545312],[-8.017773,-1.623047,6.947461],[-8.170312,-3.375,7.1],[-7.989062,4.125,2.94375],[-8.835889,2.162109,3.304053],[-9.57461,.234375,3.61836],[-10.097119,-1.623047,3.840674],[-10.295313,-3.375,3.925],[-8.570313,4.125,0],[-9.488281,2.162109,0],[-10.289063,.234375,0],[-10.855469,-1.623047,0],[-11.070313,-3.375,0],[-8.570313,4.125,0],[-7.989062,4.125,-2.94375],[-8.835889,2.162109,-3.304053],[-9.488281,2.162109,0],[-9.57461,.234375,-3.61836],[-10.289063,.234375,0],[-10.097119,-1.623047,-3.840674],[-10.855469,-1.623047,0],[-10.295313,-3.375,-3.925],[-11.070313,-3.375,0],[-6.395312,4.125,-5.325],[-7.047071,2.162109,-5.976758],[-7.615624,.234375,-6.545312],[-8.017773,-1.623047,-6.947461],[-8.170312,-3.375,-7.1],[-4.014062,4.125,-6.91875],[-4.374365,2.162109,-7.765576],[-4.688672,.234375,-8.504297],[-4.910986,-1.623047,-9.026807],[-4.995313,-3.375,-9.225],[-1.070312,4.125,-7.5],[-1.070312,2.162109,-8.417969],[-1.070312,.234375,-9.21875],[-1.070312,-1.623047,-9.785156],[-1.070312,-3.375,-10],[-1.070312,4.125,-7.5],[1.873438,4.125,-6.91875],[2.23374,2.162109,-7.765576],[-1.070312,2.162109,-8.417969],[2.548047,.234375,-8.504297],[-1.070312,.234375,-9.21875],[2.770362,-1.623047,-9.026807],[-1.070312,-1.623047,-9.785156],[2.854688,-3.375,-9.225],[-1.070312,-3.375,-10],[4.254687,4.125,-5.325],[4.906446,2.162109,-5.976758],[5.475,.234375,-6.545312],[5.877149,-1.623047,-6.947461],[6.029688,-3.375,-7.1],[5.848437,4.125,-2.94375],[6.695264,2.162109,-3.304053],[7.433985,.234375,-3.61836],[7.956494,-1.623047,-3.840674],[8.154688,-3.375,-3.925],[6.429688,4.125,0],[7.347656,2.162109,0],[8.148438,.234375,0],[8.714844,-1.623047,0],[8.929688,-3.375,0],[8.929688,-3.375,0],[8.154688,-3.375,3.925],[7.794336,-4.857422,3.77168],[8.539063,-4.857422,0],[7.001562,-5.953125,3.434375],[7.679688,-5.953125,0],[6.208789,-6.697266,3.09707],[6.820313,-6.697266,0],[5.848437,-7.125,2.94375],[6.429688,-7.125,0],[6.029688,-3.375,7.1],[5.752343,-4.857422,6.822656],[5.142187,-5.953125,6.2125],[4.532031,-6.697266,5.602344],[4.254687,-7.125,5.325],[2.854688,-3.375,9.225],[2.701367,-4.857422,8.864649],[2.364063,-5.953125,8.071875],[2.026758,-6.697266,7.279101],[1.873438,-7.125,6.91875],[-1.070312,-3.375,10],[-1.070312,-4.857422,9.609375],[-1.070312,-5.953125,8.75],[-1.070312,-6.697266,7.890625],[-1.070312,-7.125,7.5],[-1.070312,-3.375,10],[-4.995313,-3.375,9.225],[-4.841992,-4.857422,8.864649],[-1.070312,-4.857422,9.609375],[-4.504687,-5.953125,8.071875],[-1.070312,-5.953125,8.75],[-4.167383,-6.697266,7.279101],[-1.070312,-6.697266,7.890625],[-4.014062,-7.125,6.91875],[-1.070312,-7.125,7.5],[-8.170312,-3.375,7.1],[-7.892968,-4.857422,6.822656],[-7.282812,-5.953125,6.2125],[-6.672656,-6.697266,5.602344],[-6.395312,-7.125,5.325],[-10.295313,-3.375,3.925],[-9.934961,-4.857422,3.77168],[-9.142187,-5.953125,3.434375],[-8.349414,-6.697266,3.09707],[-7.989062,-7.125,2.94375],[-11.070313,-3.375,0],[-10.679688,-4.857422,0],[-9.820313,-5.953125,0],[-8.960938,-6.697266,0],[-8.570313,-7.125,0],[-11.070313,-3.375,0],[-10.295313,-3.375,-3.925],[-9.934961,-4.857422,-3.77168],[-10.679688,-4.857422,0],[-9.142187,-5.953125,-3.434375],[-9.820313,-5.953125,0],[-8.349414,-6.697266,-3.09707],[-8.960938,-6.697266,0],[-7.989062,-7.125,-2.94375],[-8.570313,-7.125,0],[-8.170312,-3.375,-7.1],[-7.892968,-4.857422,-6.822656],[-7.282812,-5.953125,-6.2125],[-6.672656,-6.697266,-5.602344],[-6.395312,-7.125,-5.325],[-4.995313,-3.375,-9.225],[-4.841992,-4.857422,-8.864649],[-4.504687,-5.953125,-8.071875],[-4.167383,-6.697266,-7.279101],[-4.014062,-7.125,-6.91875],[-1.070312,-3.375,-10],[-1.070312,-4.857422,-9.609375],[-1.070312,-5.953125,-8.75],[-1.070312,-6.697266,-7.890625],[-1.070312,-7.125,-7.5],[-1.070312,-3.375,-10],[2.854688,-3.375,-9.225],[2.701367,-4.857422,-8.864649],[-1.070312,-4.857422,-9.609375],[2.364063,-5.953125,-8.071875],[-1.070312,-5.953125,-8.75],[2.026758,-6.697266,-7.279101],[-1.070312,-6.697266,-7.890625],[1.873438,-7.125,-6.91875],[-1.070312,-7.125,-7.5],[6.029688,-3.375,-7.1],[5.752343,-4.857422,-6.822656],[5.142187,-5.953125,-6.2125],[4.532031,-6.697266,-5.602344],[4.254687,-7.125,-5.325],[8.154688,-3.375,-3.925],[7.794336,-4.857422,-3.77168],[7.001562,-5.953125,-3.434375],[6.208789,-6.697266,-3.09707],[5.848437,-7.125,-2.94375],[8.929688,-3.375,0],[8.539063,-4.857422,0],[7.679688,-5.953125,0],[6.820313,-6.697266,0],[6.429688,-7.125,0],[6.429688,-7.125,0],[5.848437,-7.125,2.94375],[5.691685,-7.400391,2.877056],[6.259766,-7.400391,0],[4.853868,-7.640625,2.520586],[5.351563,-7.640625,0],[2.783648,-7.810547,1.639761],[3.107422,-7.810547,0],[-1.070312,-7.875,0],[4.254687,-7.125,5.325],[4.134043,-7.400391,5.204355],[3.489219,-7.640625,4.559531],[1.895879,-7.810547,2.966191],[-1.070312,-7.875,0],[1.873438,-7.125,6.91875],[1.806743,-7.400391,6.761997],[1.450274,-7.640625,5.92418],[.569448,-7.810547,3.85396],[-1.070312,-7.875,0],[-1.070312,-7.125,7.5],[-1.070312,-7.400391,7.330078],[-1.070312,-7.640625,6.421875],[-1.070312,-7.810547,4.177734],[-1.070312,-7.875,0],[-1.070312,-7.125,7.5],[-4.014062,-7.125,6.91875],[-3.947368,-7.400391,6.761997],[-1.070312,-7.400391,7.330078],[-3.590898,-7.640625,5.92418],[-1.070312,-7.640625,6.421875],[-2.710073,-7.810547,3.85396],[-1.070312,-7.810547,4.177734],[-1.070312,-7.875,0],[-6.395312,-7.125,5.325],[-6.274668,-7.400391,5.204355],[-5.629844,-7.640625,4.559531],[-4.036504,-7.810547,2.966191],[-1.070312,-7.875,0],[-7.989062,-7.125,2.94375],[-7.832309,-7.400391,2.877056],[-6.994492,-7.640625,2.520586],[-4.924272,-7.810547,1.639761],[-1.070312,-7.875,0],[-8.570313,-7.125,0],[-8.400391,-7.400391,0],[-7.492188,-7.640625,0],[-5.248047,-7.810547,0],[-1.070312,-7.875,0],[-8.570313,-7.125,0],[-7.989062,-7.125,-2.94375],[-7.832309,-7.400391,-2.877056],[-8.400391,-7.400391,0],[-6.994492,-7.640625,-2.520586],[-7.492188,-7.640625,0],[-4.924272,-7.810547,-1.639761],[-5.248047,-7.810547,0],[-1.070312,-7.875,0],[-6.395312,-7.125,-5.325],[-6.274668,-7.400391,-5.204355],[-5.629844,-7.640625,-4.559531],[-4.036504,-7.810547,-2.966191],[-1.070312,-7.875,0],[-4.014062,-7.125,-6.91875],[-3.947368,-7.400391,-6.761997],[-3.590898,-7.640625,-5.92418],[-2.710073,-7.810547,-3.85396],[-1.070312,-7.875,0],[-1.070312,-7.125,-7.5],[-1.070312,-7.400391,-7.330078],[-1.070312,-7.640625,-6.421875],[-1.070312,-7.810547,-4.177734],[-1.070312,-7.875,0],[-1.070312,-7.125,-7.5],[1.873438,-7.125,-6.91875],[1.806743,-7.400391,-6.761997],[-1.070312,-7.400391,-7.330078],[1.450274,-7.640625,-5.92418],[-1.070312,-7.640625,-6.421875],[.569448,-7.810547,-3.85396],[-1.070312,-7.810547,-4.177734],[-1.070312,-7.875,0],[4.254687,-7.125,-5.325],[4.134043,-7.400391,-5.204355],[3.489219,-7.640625,-4.559531],[1.895879,-7.810547,-2.966191],[-1.070312,-7.875,0],[5.848437,-7.125,-2.94375],[5.691685,-7.400391,-2.877056],[4.853868,-7.640625,-2.520586],[2.783648,-7.810547,-1.639761],[-1.070312,-7.875,0],[6.429688,-7.125,0],[6.259766,-7.400391,0],[5.351563,-7.640625,0],[3.107422,-7.810547,0],[-1.070312,-7.875,0],[-9.070313,2.25,0],[-8.992188,2.425781,.84375],[-11.47583,2.405457,.84375],[-11.40625,2.232422,0],[-13.298828,2.263184,.84375],[-13.132813,2.109375,0],[-14.421631,1.877014,.84375],[-14.203125,1.775391,0],[-14.804688,1.125,.84375],[-14.570313,1.125,0],[-8.820313,2.8125,1.125],[-11.628906,2.786134,1.125],[-13.664063,2.601563,1.125],[-14.902344,2.100586,1.125],[-15.320313,1.125,1.125],[-8.648438,3.199219,.84375],[-11.781982,3.166809,.84375],[-14.029297,2.939941,.84375],[-15.383057,2.324158,.84375],[-15.835938,1.125,.84375],[-8.570313,3.375,0],[-11.851563,3.339844,0],[-14.195313,3.09375,0],[-15.601563,2.425781,0],[-16.070313,1.125,0],[-8.570313,3.375,0],[-8.648438,3.199219,-.84375],[-11.781982,3.166809,-.84375],[-11.851563,3.339844,0],[-14.029297,2.939941,-.84375],[-14.195313,3.09375,0],[-15.383057,2.324158,-.84375],[-15.601563,2.425781,0],[-15.835938,1.125,-.84375],[-16.070313,1.125,0],[-8.820313,2.8125,-1.125],[-11.628906,2.786134,-1.125],[-13.664063,2.601563,-1.125],[-14.902344,2.100586,-1.125],[-15.320313,1.125,-1.125],[-8.992188,2.425781,-.84375],[-11.47583,2.405457,-.84375],[-13.298828,2.263184,-.84375],[-14.421631,1.877014,-.84375],[-14.804688,1.125,-.84375],[-9.070313,2.25,0],[-11.40625,2.232422,0],[-13.132813,2.109375,0],[-14.203125,1.775391,0],[-14.570313,1.125,0],[-14.570313,1.125,0],[-14.804688,1.125,.84375],[-14.588013,.00705,.84375],[-14.375,.105469,0],[-13.90918,-1.275146,.84375],[-13.757813,-1.125,0],[-12.724976,-2.540863,.84375],[-12.671875,-2.355469,0],[-10.992188,-3.609375,.84375],[-11.070313,-3.375,0],[-15.320313,1.125,1.125],[-15.056641,-.209473,1.125],[-14.242188,-1.605469,1.125],[-12.841797,-2.94873,1.125],[-10.820313,-4.125,1.125],[-15.835938,1.125,.84375],[-15.525269,-.425995,.84375],[-14.575195,-1.935791,.84375],[-12.958618,-3.356598,.84375],[-10.648438,-4.640625,.84375],[-16.070313,1.125,0],[-15.738281,-.524414,0],[-14.726563,-2.085938,0],[-13.011719,-3.541992,0],[-10.570313,-4.875,0],[-16.070313,1.125,0],[-15.835938,1.125,-.84375],[-15.525269,-.425995,-.84375],[-15.738281,-.524414,0],[-14.575195,-1.935791,-.84375],[-14.726563,-2.085938,0],[-12.958618,-3.356598,-.84375],[-13.011719,-3.541992,0],[-10.648438,-4.640625,-.84375],[-10.570313,-4.875,0],[-15.320313,1.125,-1.125],[-15.056641,-.209473,-1.125],[-14.242188,-1.605469,-1.125],[-12.841797,-2.94873,-1.125],[-10.820313,-4.125,-1.125],[-14.804688,1.125,-.84375],[-14.588013,.00705,-.84375],[-13.90918,-1.275146,-.84375],[-12.724976,-2.540863,-.84375],[-10.992188,-3.609375,-.84375],[-14.570313,1.125,0],[-14.375,.105469,0],[-13.757813,-1.125,0],[-12.671875,-2.355469,0],[-11.070313,-3.375,0],[7.429688,-.75,0],[7.429688,-1.394531,1.85625],[10.01123,-.677124,1.676074],[9.828125,-.199219,0],[11.101563,.84668,1.279688],[10.867188,1.125,0],[11.723145,2.629761,.883301],[11.4375,2.730469,0],[12.898438,4.125,.703125],[12.429688,4.125,0],[7.429688,-2.8125,2.475],[10.414063,-1.728516,2.234766],[11.617188,.234375,1.70625],[12.351563,2.408203,1.177734],[13.929688,4.125,.9375],[7.429688,-4.230469,1.85625],[10.816895,-2.779907,1.676074],[12.132813,-.37793,1.279688],[12.97998,2.186646,.883301],[14.960938,4.125,.703125],[7.429688,-4.875,0],[11,-3.257813,0],[12.367188,-.65625,0],[13.265625,2.085938,0],[15.429688,4.125,0],[7.429688,-4.875,0],[7.429688,-4.230469,-1.85625],[10.816895,-2.779907,-1.676074],[11,-3.257813,0],[12.132813,-.37793,-1.279688],[12.367188,-.65625,0],[12.97998,2.186646,-.883301],[13.265625,2.085938,0],[14.960938,4.125,-.703125],[15.429688,4.125,0],[7.429688,-2.8125,-2.475],[10.414063,-1.728516,-2.234766],[11.617188,.234375,-1.70625],[12.351563,2.408203,-1.177734],[13.929688,4.125,-.9375],[7.429688,-1.394531,-1.85625],[10.01123,-.677124,-1.676074],[11.101563,.84668,-1.279688],[11.723145,2.629761,-.883301],[12.898438,4.125,-.703125],[7.429688,-.75,0],[9.828125,-.199219,0],[10.867188,1.125,0],[11.4375,2.730469,0],[12.429688,4.125,0],[12.429688,4.125,0],[12.898438,4.125,.703125],[13.291077,4.346237,.65918],[12.789063,4.335938,0],[13.525879,4.422729,.5625],[13.054688,4.40625,0],[13.532898,4.350357,.46582],[13.132813,4.335938,0],[13.242188,4.125,.421875],[12.929688,4.125,0],[13.929688,4.125,.9375],[14.395508,4.368896,.878906],[14.5625,4.458984,.75],[14.413086,4.38208,.621094],[13.929688,4.125,.5625],[14.960938,4.125,.703125],[15.499939,4.391556,.65918],[15.599121,4.495239,.5625],[15.293274,4.413804,.46582],[14.617188,4.125,.421875],[15.429688,4.125,0],[16.001953,4.401855,0],[16.070313,4.511719,0],[15.693359,4.428224,0],[14.929688,4.125,0],[15.429688,4.125,0],[14.960938,4.125,-.703125],[15.499939,4.391556,-.65918],[16.001953,4.401855,0],[15.599121,4.495239,-.5625],[16.070313,4.511719,0],[15.293274,4.413804,-.46582],[15.693359,4.428224,0],[14.617188,4.125,-.421875],[14.929688,4.125,0],[13.929688,4.125,-.9375],[14.395508,4.368896,-.878906],[14.5625,4.458984,-.75],[14.413086,4.38208,-.621094],[13.929688,4.125,-.5625],[12.898438,4.125,-.703125],[13.291077,4.346237,-.65918],[13.525879,4.422729,-.5625],[13.532898,4.350357,-.46582],[13.242188,4.125,-.421875],[12.429688,4.125,0],[12.789063,4.335938,0],[13.054688,4.40625,0],[13.132813,4.335938,0],[12.929688,4.125,0],[.501414,7.628906,.670256],[.632813,7.628906,0],[-1.070312,7.875,0],[.429278,7.03125,.639395],[.554688,7.03125,0],[-.162029,6.292969,.38696],[-.085937,6.292969,0],[-.147812,5.625,.3925],[-.070312,5.625,0],[.140489,7.628906,1.210801],[-1.070312,7.875,0],[.084844,7.03125,1.155156],[-.370879,6.292969,.699434],[-.360312,5.625,.71],[-.400056,7.628906,1.571726],[-1.070312,7.875,0],[-.430918,7.03125,1.49959],[-.683352,6.292969,.908284],[-.677812,5.625,.9225],[-1.070312,7.628906,1.703125],[-1.070312,7.875,0],[-1.070312,7.03125,1.625],[-1.070312,6.292969,.984375],[-1.070312,5.625,1],[-1.740569,7.628906,1.571726],[-1.070312,7.628906,1.703125],[-1.070312,7.875,0],[-1.709707,7.03125,1.49959],[-1.070312,7.03125,1.625],[-1.457273,6.292969,.908284],[-1.070312,6.292969,.984375],[-1.462812,5.625,.9225],[-1.070312,5.625,1],[-2.281113,7.628906,1.210801],[-1.070312,7.875,0],[-2.225469,7.03125,1.155156],[-1.769746,6.292969,.699434],[-1.780312,5.625,.71],[-2.642038,7.628906,.670256],[-1.070312,7.875,0],[-2.569902,7.03125,.639395],[-1.978596,6.292969,.38696],[-1.992812,5.625,.3925],[-2.773438,7.628906,0],[-1.070312,7.875,0],[-2.695313,7.03125,0],[-2.054687,6.292969,0],[-2.070312,5.625,0],[-2.642038,7.628906,-.670256],[-2.773438,7.628906,0],[-1.070312,7.875,0],[-2.569902,7.03125,-.639395],[-2.695313,7.03125,0],[-1.978596,6.292969,-.38696],[-2.054687,6.292969,0],[-1.992812,5.625,-.3925],[-2.070312,5.625,0],[-2.281113,7.628906,-1.210801],[-1.070312,7.875,0],[-2.225469,7.03125,-1.155156],[-1.769746,6.292969,-.699434],[-1.780312,5.625,-.71],[-1.740569,7.628906,-1.571726],[-1.070312,7.875,0],[-1.709707,7.03125,-1.49959],[-1.457273,6.292969,-.908284],[-1.462812,5.625,-.9225],[-1.070312,7.628906,-1.703125],[-1.070312,7.875,0],[-1.070312,7.03125,-1.625],[-1.070312,6.292969,-.984375],[-1.070312,5.625,-1],[-.400056,7.628906,-1.571726],[-1.070312,7.628906,-1.703125],[-1.070312,7.875,0],[-.430918,7.03125,-1.49959],[-1.070312,7.03125,-1.625],[-.683352,6.292969,-.908284],[-1.070312,6.292969,-.984375],[-.677812,5.625,-.9225],[-1.070312,5.625,-1],[.140489,7.628906,-1.210801],[-1.070312,7.875,0],[.084844,7.03125,-1.155156],[-.370879,6.292969,-.699434],[-.360312,5.625,-.71],[.501414,7.628906,-.670256],[-1.070312,7.875,0],[.429278,7.03125,-.639395],[-.162029,6.292969,-.38696],[-.147812,5.625,-.3925],[.632813,7.628906,0],[-1.070312,7.875,0],[.554688,7.03125,0],[-.085937,6.292969,0],[-.070312,5.625,0],[-.070312,5.625,0],[-.147812,5.625,.3925],[1.034141,5.179688,.895391],[1.210938,5.179688,0],[2.735,4.875,1.619062],[3.054688,4.875,0],[4.262891,4.570313,2.26914],[4.710938,4.570313,0],[4.925938,4.125,2.55125],[5.429688,4.125,0],[-.360312,5.625,.71],[.549375,5.179688,1.619688],[1.858438,4.875,2.92875],[3.034375,4.570313,4.104687],[3.544688,4.125,4.615],[-.677812,5.625,.9225],[-.174922,5.179688,2.104453],[.54875,4.875,3.805313],[1.198828,4.570313,5.333203],[1.480938,4.125,5.99625],[-1.070312,5.625,1],[-1.070312,5.179688,2.28125],[-1.070312,4.875,4.125],[-1.070312,4.570313,5.78125],[-1.070312,4.125,6.5],[-1.070312,5.625,1],[-1.462812,5.625,.9225],[-1.965703,5.179688,2.104453],[-1.070312,5.179688,2.28125],[-2.689375,4.875,3.805313],[-1.070312,4.875,4.125],[-3.339453,4.570313,5.333203],[-1.070312,4.570313,5.78125],[-3.621562,4.125,5.99625],[-1.070312,4.125,6.5],[-1.780312,5.625,.71],[-2.69,5.179688,1.619688],[-3.999062,4.875,2.92875],[-5.174999,4.570313,4.104687],[-5.685312,4.125,4.615],[-1.992812,5.625,.3925],[-3.174765,5.179688,.895391],[-4.875625,4.875,1.619062],[-6.403516,4.570313,2.26914],[-7.066563,4.125,2.55125],[-2.070312,5.625,0],[-3.351562,5.179688,0],[-5.195313,4.875,0],[-6.851563,4.570313,0],[-7.570313,4.125,0],[-2.070312,5.625,0],[-1.992812,5.625,-.3925],[-3.174765,5.179688,-.895391],[-3.351562,5.179688,0],[-4.875625,4.875,-1.619062],[-5.195313,4.875,0],[-6.403516,4.570313,-2.26914],[-6.851563,4.570313,0],[-7.066563,4.125,-2.55125],[-7.570313,4.125,0],[-1.780312,5.625,-.71],[-2.69,5.179688,-1.619688],[-3.999062,4.875,-2.92875],[-5.174999,4.570313,-4.104687],[-5.685312,4.125,-4.615],[-1.462812,5.625,-.9225],[-1.965703,5.179688,-2.104453],[-2.689375,4.875,-3.805313],[-3.339453,4.570313,-5.333203],[-3.621562,4.125,-5.99625],[-1.070312,5.625,-1],[-1.070312,5.179688,-2.28125],[-1.070312,4.875,-4.125],[-1.070312,4.570313,-5.78125],[-1.070312,4.125,-6.5],[-1.070312,5.625,-1],[-.677812,5.625,-.9225],[-.174922,5.179688,-2.104453],[-1.070312,5.179688,-2.28125],[.54875,4.875,-3.805313],[-1.070312,4.875,-4.125],[1.198828,4.570313,-5.333203],[-1.070312,4.570313,-5.78125],[1.480938,4.125,-5.99625],[-1.070312,4.125,-6.5],[-.360312,5.625,-.71],[.549375,5.179688,-1.619688],[1.858438,4.875,-2.92875],[3.034375,4.570313,-4.104687],[3.544688,4.125,-4.615],[-.147812,5.625,-.3925],[1.034141,5.179688,-.895391],[2.735,4.875,-1.619062],[4.262891,4.570313,-2.26914],[4.925938,4.125,-2.55125],[-.070312,5.625,0],[1.210938,5.179688,0],[3.054688,4.875,0],[4.710938,4.570313,0],[5.429688,4.125,0]];exports.cells=[[0,1,2],[2,3,0],[3,2,4],[4,5,3],[5,4,6],[6,7,5],[7,6,8],[8,9,7],[1,10,11],[11,2,1],[2,11,12],[12,4,2],[4,12,13],[13,6,4],[6,13,14],[14,8,6],[10,15,16],[16,11,10],[11,16,17],[17,12,11],[12,17,18],[18,13,12],[13,18,19],[19,14,13],[15,20,21],[21,16,15],[16,21,22],[22,17,16],[17,22,23],[23,18,17],[18,23,24],[24,19,18],[25,26,27],[27,28,25],[28,27,29],[29,30,28],[30,29,31],[31,32,30],[32,31,33],[33,34,32],[26,35,36],[36,27,26],[27,36,37],[37,29,27],[29,37,38],[38,31,29],[31,38,39],[39,33,31],[35,40,41],[41,36,35],[36,41,42],[42,37,36],[37,42,43],[43,38,37],[38,43,44],[44,39,38],[40,45,46],[46,41,40],[41,46,47],[47,42,41],[42,47,48],[48,43,42],[43,48,49],[49,44,43],[50,51,52],[52,53,50],[53,52,54],[54,55,53],[55,54,56],[56,57,55],[57,56,58],[58,59,57],[51,60,61],[61,52,51],[52,61,62],[62,54,52],[54,62,63],[63,56,54],[56,63,64],[64,58,56],[60,65,66],[66,61,60],[61,66,67],[67,62,61],[62,67,68],[68,63,62],[63,68,69],[69,64,63],[65,70,71],[71,66,65],[66,71,72],[72,67,66],[67,72,73],[73,68,67],[68,73,74],[74,69,68],[75,76,77],[77,78,75],[78,77,79],[79,80,78],[80,79,81],[81,82,80],[82,81,83],[83,84,82],[76,85,86],[86,77,76],[77,86,87],[87,79,77],[79,87,88],[88,81,79],[81,88,89],[89,83,81],[85,90,91],[91,86,85],[86,91,92],[92,87,86],[87,92,93],[93,88,87],[88,93,94],[94,89,88],[90,95,96],[96,91,90],[91,96,97],[97,92,91],[92,97,98],[98,93,92],[93,98,99],[99,94,93],[100,101,102],[102,103,100],[103,102,104],[104,105,103],[105,104,106],[106,107,105],[107,106,108],[108,109,107],[101,110,111],[111,102,101],[102,111,112],[112,104,102],[104,112,113],[113,106,104],[106,113,114],[114,108,106],[110,115,116],[116,111,110],[111,116,117],[117,112,111],[112,117,118],[118,113,112],[113,118,119],[119,114,113],[115,120,121],[121,116,115],[116,121,122],[122,117,116],[117,122,123],[123,118,117],[118,123,124],[124,119,118],[125,126,127],[127,128,125],[128,127,129],[129,130,128],[130,129,131],[131,132,130],[132,131,133],[133,134,132],[126,135,136],[136,127,126],[127,136,137],[137,129,127],[129,137,138],[138,131,129],[131,138,139],[139,133,131],[135,140,141],[141,136,135],[136,141,142],[142,137,136],[137,142,143],[143,138,137],[138,143,144],[144,139,138],[140,145,146],[146,141,140],[141,146,147],[147,142,141],[142,147,148],[148,143,142],[143,148,149],[149,144,143],[150,151,152],[152,153,150],[153,152,154],[154,155,153],[155,154,156],[156,157,155],[157,156,158],[158,159,157],[151,160,161],[161,152,151],[152,161,162],[162,154,152],[154,162,163],[163,156,154],[156,163,164],[164,158,156],[160,165,166],[166,161,160],[161,166,167],[167,162,161],[162,167,168],[168,163,162],[163,168,169],[169,164,163],[165,170,171],[171,166,165],[166,171,172],[172,167,166],[167,172,173],[173,168,167],[168,173,174],[174,169,168],[175,176,177],[177,178,175],[178,177,179],[179,180,178],[180,179,181],[181,182,180],[182,181,183],[183,184,182],[176,185,186],[186,177,176],[177,186,187],[187,179,177],[179,187,188],[188,181,179],[181,188,189],[189,183,181],[185,190,191],[191,186,185],[186,191,192],[192,187,186],[187,192,193],[193,188,187],[188,193,194],[194,189,188],[190,195,196],[196,191,190],[191,196,197],[197,192,191],[192,197,198],[198,193,192],[193,198,199],[199,194,193],[200,201,202],[202,203,200],[203,202,204],[204,205,203],[205,204,206],[206,207,205],[207,206,208],[208,209,207],[201,210,211],[211,202,201],[202,211,212],[212,204,202],[204,212,213],[213,206,204],[206,213,214],[214,208,206],[210,215,216],[216,211,210],[211,216,217],[217,212,211],[212,217,218],[218,213,212],[213,218,219],[219,214,213],[215,220,221],[221,216,215],[216,221,222],[222,217,216],[217,222,223],[223,218,217],[218,223,224],[224,219,218],[225,226,227],[227,228,225],[228,227,229],[229,230,228],[230,229,231],[231,232,230],[232,231,233],[233,234,232],[226,235,236],[236,227,226],[227,236,237],[237,229,227],[229,237,238],[238,231,229],[231,238,239],[239,233,231],[235,240,241],[241,236,235],[236,241,242],[242,237,236],[237,242,243],[243,238,237],[238,243,244],[244,239,238],[240,245,246],[246,241,240],[241,246,247],[247,242,241],[242,247,248],[248,243,242],[243,248,249],[249,244,243],[250,251,252],[252,253,250],[253,252,254],[254,255,253],[255,254,256],[256,257,255],[257,256,258],[258,259,257],[251,260,261],[261,252,251],[252,261,262],[262,254,252],[254,262,263],[263,256,254],[256,263,264],[264,258,256],[260,265,266],[266,261,260],[261,266,267],[267,262,261],[262,267,268],[268,263,262],[263,268,269],[269,264,263],[265,270,271],[271,266,265],[266,271,272],[272,267,266],[267,272,273],[273,268,267],[268,273,274],[274,269,268],[275,276,277],[277,278,275],[278,277,279],[279,280,278],[280,279,281],[281,282,280],[282,281,283],[283,284,282],[276,285,286],[286,277,276],[277,286,287],[287,279,277],[279,287,288],[288,281,279],[281,288,289],[289,283,281],[285,290,291],[291,286,285],[286,291,292],[292,287,286],[287,292,293],[293,288,287],[288,293,294],[294,289,288],[290,295,296],[296,291,290],[291,296,297],[297,292,291],[292,297,298],[298,293,292],[293,298,299],[299,294,293],[300,301,302],[302,303,300],[303,302,304],[304,305,303],[305,304,306],[306,307,305],[307,306,308],[301,309,310],[310,302,301],[302,310,311],[311,304,302],[304,311,312],[312,306,304],[306,312,313],[309,314,315],[315,310,309],[310,315,316],[316,311,310],[311,316,317],[317,312,311],[312,317,318],[314,319,320],[320,315,314],[315,320,321],[321,316,315],[316,321,322],[322,317,316],[317,322,323],[324,325,326],[326,327,324],[327,326,328],[328,329,327],[329,328,330],[330,331,329],[331,330,332],[325,333,334],[334,326,325],[326,334,335],[335,328,326],[328,335,336],[336,330,328],[330,336,337],[333,338,339],[339,334,333],[334,339,340],[340,335,334],[335,340,341],[341,336,335],[336,341,342],[338,343,344],[344,339,338],[339,344,345],[345,340,339],[340,345,346],[346,341,340],[341,346,347],[348,349,350],[350,351,348],[351,350,352],[352,353,351],[353,352,354],[354,355,353],[355,354,356],[349,357,358],[358,350,349],[350,358,359],[359,352,350],[352,359,360],[360,354,352],[354,360,361],[357,362,363],[363,358,357],[358,363,364],[364,359,358],[359,364,365],[365,360,359],[360,365,366],[362,367,368],[368,363,362],[363,368,369],[369,364,363],[364,369,370],[370,365,364],[365,370,371],[372,373,374],[374,375,372],[375,374,376],[376,377,375],[377,376,378],[378,379,377],[379,378,380],[373,381,382],[382,374,373],[374,382,383],[383,376,374],[376,383,384],[384,378,376],[378,384,385],[381,386,387],[387,382,381],[382,387,388],[388,383,382],[383,388,389],[389,384,383],[384,389,390],[386,391,392],[392,387,386],[387,392,393],[393,388,387],[388,393,394],[394,389,388],[389,394,395],[396,397,398],[398,399,396],[399,398,400],[400,401,399],[401,400,402],[402,403,401],[403,402,404],[404,405,403],[397,406,407],[407,398,397],[398,407,408],[408,400,398],[400,408,409],[409,402,400],[402,409,410],[410,404,402],[406,411,412],[412,407,406],[407,412,413],[413,408,407],[408,413,414],[414,409,408],[409,414,415],[415,410,409],[411,416,417],[417,412,411],[412,417,418],[418,413,412],[413,418,419],[419,414,413],[414,419,420],[420,415,414],[421,422,423],[423,424,421],[424,423,425],[425,426,424],[426,425,427],[427,428,426],[428,427,429],[429,430,428],[422,431,432],[432,423,422],[423,432,433],[433,425,423],[425,433,434],[434,427,425],[427,434,435],[435,429,427],[431,436,437],[437,432,431],[432,437,438],[438,433,432],[433,438,439],[439,434,433],[434,439,440],[440,435,434],[436,441,442],[442,437,436],[437,442,443],[443,438,437],[438,443,444],[444,439,438],[439,444,445],[445,440,439],[446,447,448],[448,449,446],[449,448,450],[450,451,449],[451,450,452],[452,453,451],[453,452,454],[454,455,453],[447,456,457],[457,448,447],[448,457,458],[458,450,448],[450,458,459],[459,452,450],[452,459,460],[460,454,452],[456,461,462],[462,457,456],[457,462,463],[463,458,457],[458,463,464],[464,459,458],[459,464,465],[465,460,459],[461,466,467],[467,462,461],[462,467,468],[468,463,462],[463,468,469],[469,464,463],[464,469,470],[470,465,464],[471,472,473],[473,474,471],[474,473,475],[475,476,474],[476,475,477],[477,478,476],[478,477,479],[479,480,478],[472,481,482],[482,473,472],[473,482,483],[483,475,473],[475,483,484],[484,477,475],[477,484,485],[485,479,477],[481,486,487],[487,482,481],[482,487,488],[488,483,482],[483,488,489],[489,484,483],[484,489,490],[490,485,484],[486,491,492],[492,487,486],[487,492,493],[493,488,487],[488,493,494],[494,489,488],[489,494,495],[495,490,489],[496,497,498],[498,499,496],[499,498,500],[500,501,499],[501,500,502],[502,503,501],[503,502,504],[504,505,503],[497,506,507],[507,498,497],[498,507,508],[508,500,498],[500,508,509],[509,502,500],[502,509,510],[510,504,502],[506,511,512],[512,507,506],[507,512,513],[513,508,507],[508,513,514],[514,509,508],[509,514,515],[515,510,509],[511,516,517],[517,512,511],[512,517,518],[518,513,512],[513,518,519],[519,514,513],[514,519,520],[520,515,514],[521,522,523],[523,524,521],[524,523,525],[525,526,524],[526,525,527],[527,528,526],[528,527,529],[529,530,528],[522,531,532],[532,523,522],[523,532,533],[533,525,523],[525,533,534],[534,527,525],[527,534,535],[535,529,527],[531,536,537],[537,532,531],[532,537,538],[538,533,532],[533,538,539],[539,534,533],[534,539,540],[540,535,534],[536,541,542],[542,537,536],[537,542,543],[543,538,537],[538,543,544],[544,539,538],[539,544,545],[545,540,539],[546,547,548],[548,549,546],[549,548,550],[550,551,549],[551,550,552],[552,553,551],[553,552,554],[554,555,553],[547,556,557],[557,548,547],[548,557,558],[558,550,548],[550,558,559],[559,552,550],[552,559,560],[560,554,552],[556,561,562],[562,557,556],[557,562,563],[563,558,557],[558,563,564],[564,559,558],[559,564,565],[565,560,559],[561,566,567],[567,562,561],[562,567,568],[568,563,562],[563,568,569],[569,564,563],[564,569,570],[570,565,564],[571,572,573],[573,574,571],[574,573,575],[575,576,574],[576,575,577],[577,578,576],[578,577,579],[579,580,578],[572,581,582],[582,573,572],[573,582,583],[583,575,573],[575,583,584],[584,577,575],[577,584,585],[585,579,577],[581,586,587],[587,582,581],[582,587,588],[588,583,582],[583,588,589],[589,584,583],[584,589,590],[590,585,584],[586,591,592],[592,587,586],[587,592,593],[593,588,587],[588,593,594],[594,589,588],[589,594,595],[595,590,589],[596,597,598],[597,596,599],[599,600,597],[600,599,601],[601,602,600],[602,601,603],[603,604,602],[605,596,606],[596,605,607],[607,599,596],[599,607,608],[608,601,599],[601,608,609],[609,603,601],[610,605,611],[605,610,612],[612,607,605],[607,612,613],[613,608,607],[608,613,614],[614,609,608],[615,610,616],[610,615,617],[617,612,610],[612,617,618],[618,613,612],[613,618,619],[619,614,613],[620,621,622],[621,620,623],[623,624,621],[624,623,625],[625,626,624],[626,625,627],[627,628,626],[629,620,630],[620,629,631],[631,623,620],[623,631,632],[632,625,623],[625,632,633],[633,627,625],[634,629,635],[629,634,636],[636,631,629],[631,636,637],[637,632,631],[632,637,638],[638,633,632],[639,634,640],[634,639,641],[641,636,634],[636,641,642],[642,637,636],[637,642,643],[643,638,637],[644,645,646],[645,644,647],[647,648,645],[648,647,649],[649,650,648],[650,649,651],[651,652,650],[653,644,654],[644,653,655],[655,647,644],[647,655,656],[656,649,647],[649,656,657],[657,651,649],[658,653,659],[653,658,660],[660,655,653],[655,660,661],[661,656,655],[656,661,662],[662,657,656],[663,658,664],[658,663,665],[665,660,658],[660,665,666],[666,661,660],[661,666,667],[667,662,661],[668,669,670],[669,668,671],[671,672,669],[672,671,673],[673,674,672],[674,673,675],[675,676,674],[677,668,678],[668,677,679],[679,671,668],[671,679,680],[680,673,671],[673,680,681],[681,675,673],[682,677,683],[677,682,684],[684,679,677],[679,684,685],[685,680,679],[680,685,686],[686,681,680],[687,682,688],[682,687,689],[689,684,682],[684,689,690],[690,685,684],[685,690,691],[691,686,685],[692,693,694],[694,695,692],[695,694,696],[696,697,695],[697,696,698],[698,699,697],[699,698,700],[700,701,699],[693,702,703],[703,694,693],[694,703,704],[704,696,694],[696,704,705],[705,698,696],[698,705,706],[706,700,698],[702,707,708],[708,703,702],[703,708,709],[709,704,703],[704,709,710],[710,705,704],[705,710,711],[711,706,705],[707,712,713],[713,708,707],[708,713,714],[714,709,708],[709,714,715],[715,710,709],[710,715,716],[716,711,710],[717,718,719],[719,720,717],[720,719,721],[721,722,720],[722,721,723],[723,724,722],[724,723,725],[725,726,724],[718,727,728],[728,719,718],[719,728,729],[729,721,719],[721,729,730],[730,723,721],[723,730,731],[731,725,723],[727,732,733],[733,728,727],[728,733,734],[734,729,728],[729,734,735],[735,730,729],[730,735,736],[736,731,730],[732,737,738],[738,733,732],[733,738,739],[739,734,733],[734,739,740],[740,735,734],[735,740,741],[741,736,735],[742,743,744],[744,745,742],[745,744,746],[746,747,745],[747,746,748],[748,749,747],[749,748,750],[750,751,749],[743,752,753],[753,744,743],[744,753,754],[754,746,744],[746,754,755],[755,748,746],[748,755,756],[756,750,748],[752,757,758],[758,753,752],[753,758,759],[759,754,753],[754,759,760],[760,755,754],[755,760,761],[761,756,755],[757,762,763],[763,758,757],[758,763,764],[764,759,758],[759,764,765],[765,760,759],[760,765,766],[766,761,760],[767,768,769],[769,770,767],[770,769,771],[771,772,770],[772,771,773],[773,774,772],[774,773,775],[775,776,774],[768,777,778],[778,769,768],[769,778,779],[779,771,769],[771,779,780],[780,773,771],[773,780,781],[781,775,773],[777,782,783],[783,778,777],[778,783,784],[784,779,778],[779,784,785],[785,780,779],[780,785,786],[786,781,780],[782,787,788],[788,783,782],[783,788,789],[789,784,783],[784,789,790],[790,785,784],[785,790,791],[791,786,785]];

},{}]},{},[]);var createScene=require("gl-plot3d");var createMesh=require("gl-mesh3d");var bunny=require("teapot");var scene=createScene();var mesh=createMesh({gl:scene.gl,cells:bunny.cells,positions:bunny.positions,vertexIntensity:bunny.positions.map(function(p){return Math.cos(p[0])*Math.sin(.2*p[1])+Math.cos(.4*p[2])}),colormap:"jet"});scene.add(mesh);

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "gl-plot3d": "1.0.2",
    "gl-mesh3d": "1.0.2",
    "teapot": "1.0.0"
  }
}

page-body.html

<!-- contents of this file will be placed inside the <body> -->

page-head.html

<!-- contents of this file will be placed inside the <head> -->

requirebin.md

made with requirebin