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ZJONSSON/d3mod.js

Created January 11, 2012 17:41
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Internalizing chart variables (mod)
Raw
readme.mkd
<script type="text/javascript" src="d3mod.js"></script> <script type="text/javascript"> svg=d3.select("body") .append("svg:svg") svg.property("__chart__",{ X:d3.scale.linear() .domain([2012,2045]) .range([0,svg[0][0].parentNode.offsetWidth]), Y:d3.scale.linear() .domain([1,100]) .range([svg[0][0].parentNode.offsetHeight,0]) }) data = [ {x:2015,y:23},{x:2024,y:55},{x:2034,y:12}] svg.selectAll(".series").data(data) .enter() .append("svg:circle") .attr("cx",function(d) { return this.__chart__.X(d.x)}) .attr("cy",function(d) { return this.__chart__.Y(d.y)}) .attr("r",10) </script>
Raw
d3mod.js
(function(){if (!Date.now) Date.now = function() {
return +new Date;
};
try {
document.createElement("div").style.setProperty("opacity", 0, "");
} catch (error) {
var d3_style_prototype = CSSStyleDeclaration.prototype,
d3_style_setProperty = d3_style_prototype.setProperty;
d3_style_prototype.setProperty = function(name, value, priority) {
d3_style_setProperty.call(this, name, value + "", priority);
};
}
d3 = {version: "2.7.1"}; // semver
var d3_array = d3_arraySlice; // conversion for NodeLists
function d3_arrayCopy(pseudoarray) {
var i = -1, n = pseudoarray.length, array = [];
while (++i < n) array.push(pseudoarray[i]);
return array;
}
function d3_arraySlice(pseudoarray) {
return Array.prototype.slice.call(pseudoarray);
}
try {
d3_array(document.documentElement.childNodes)[0].nodeType;
} catch(e) {
d3_array = d3_arrayCopy;
}
var d3_arraySubclass = [].__proto__?
// Until ECMAScript supports array subclassing, prototype injection works well.
function(array, prototype) {
array.__proto__ = prototype;
}:
// And if your browser doesn't support __proto__, we'll use direct extension.
function(array, prototype) {
for (var property in prototype) array[property] = prototype[property];
};
function d3_this() {
return this;
}
d3.functor = function(v) {
return typeof v === "function" ? v : function() { return v; };
};
// Copies a variable number of methods from source to target.
d3.rebind = function(target, source) {
var i = 1, n = arguments.length, method;
while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
return target;
};
// Method is assumed to be a standard D3 getter-setter:
// If passed with no arguments, gets the value.
// If passed with arguments, sets the value and returns the target.
function d3_rebind(target, source, method) {
return function() {
var value = method.apply(source, arguments);
return arguments.length ? target : value;
};
}
d3.ascending = function(a, b) {
return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
};
d3.descending = function(a, b) {
return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
};
d3.mean = function(array, f) {
var n = array.length,
a,
m = 0,
i = -1,
j = 0;
if (arguments.length === 1) {
while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j;
} else {
while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j;
}
return j ? m : undefined;
};
d3.median = function(array, f) {
if (arguments.length > 1) array = array.map(f);
array = array.filter(d3_number);
return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined;
};
d3.min = function(array, f) {
var i = -1,
n = array.length,
a,
b;
if (arguments.length === 1) {
while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
while (++i < n) if ((b = array[i]) != null && a > b) a = b;
} else {
while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
}
return a;
};
d3.max = function(array, f) {
var i = -1,
n = array.length,
a,
b;
if (arguments.length === 1) {
while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
while (++i < n) if ((b = array[i]) != null && b > a) a = b;
} else {
while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
}
return a;
};
d3.extent = function(array, f) {
var i = -1,
n = array.length,
a,
b,
c;
if (arguments.length === 1) {
while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined;
while (++i < n) if ((b = array[i]) != null) {
if (a > b) a = b;
if (c < b) c = b;
}
} else {
while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined;
while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
if (a > b) a = b;
if (c < b) c = b;
}
}
return [a, c];
};
d3.random = {
normal: function(mean, deviation) {
if (arguments.length < 2) deviation = 1;
if (arguments.length < 1) mean = 0;
return function() {
var x, y, r;
do {
x = Math.random() * 2 - 1;
y = Math.random() * 2 - 1;
r = x * x + y * y;
} while (!r || r > 1);
return mean + deviation * x * Math.sqrt(-2 * Math.log(r) / r);
};
}
};
function d3_number(x) {
return x != null && !isNaN(x);
}
d3.sum = function(array, f) {
var s = 0,
n = array.length,
a,
i = -1;
if (arguments.length === 1) {
while (++i < n) if (!isNaN(a = +array[i])) s += a;
} else {
while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
}
return s;
};
// R-7 per <http://en.wikipedia.org/wiki/Quantile>
d3.quantile = function(values, p) {
var H = (values.length - 1) * p + 1,
h = Math.floor(H),
v = values[h - 1],
e = H - h;
return e ? v + e * (values[h] - v) : v;
};
d3.transpose = function(matrix) {
return d3.zip.apply(d3, matrix);
};
d3.zip = function() {
if (!(n = arguments.length)) return [];
for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m;) {
for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n;) {
zip[j] = arguments[j][i];
}
}
return zips;
};
function d3_zipLength(d) {
return d.length;
}
// Locate the insertion point for x in a to maintain sorted order. The
// arguments lo and hi may be used to specify a subset of the array which should
// be considered; by default the entire array is used. If x is already present
// in a, the insertion point will be before (to the left of) any existing
// entries. The return value is suitable for use as the first argument to
// `array.splice` assuming that a is already sorted.
//
// The returned insertion point i partitions the array a into two halves so that
// all v < x for v in a[lo:i] for the left side and all v >= x for v in a[i:hi]
// for the right side.
d3.bisectLeft = function(a, x, lo, hi) {
if (arguments.length < 3) lo = 0;
if (arguments.length < 4) hi = a.length;
while (lo < hi) {
var mid = (lo + hi) >> 1;
if (a[mid] < x) lo = mid + 1;
else hi = mid;
}
return lo;
};
// Similar to bisectLeft, but returns an insertion point which comes after (to
// the right of) any existing entries of x in a.
//
// The returned insertion point i partitions the array into two halves so that
// all v <= x for v in a[lo:i] for the left side and all v > x for v in a[i:hi]
// for the right side.
d3.bisect =
d3.bisectRight = function(a, x, lo, hi) {
if (arguments.length < 3) lo = 0;
if (arguments.length < 4) hi = a.length;
while (lo < hi) {
var mid = (lo + hi) >> 1;
if (x < a[mid]) hi = mid;
else lo = mid + 1;
}
return lo;
};
d3.first = function(array, f) {
var i = 0,
n = array.length,
a = array[0],
b;
if (arguments.length === 1) f = d3.ascending;
while (++i < n) {
if (f.call(array, a, b = array[i]) > 0) {
a = b;
}
}
return a;
};
d3.last = function(array, f) {
var i = 0,
n = array.length,
a = array[0],
b;
if (arguments.length === 1) f = d3.ascending;
while (++i < n) {
if (f.call(array, a, b = array[i]) <= 0) {
a = b;
}
}
return a;
};
d3.nest = function() {
var nest = {},
keys = [],
sortKeys = [],
sortValues,
rollup;
function map(array, depth) {
if (depth >= keys.length) return rollup
? rollup.call(nest, array) : (sortValues
? array.sort(sortValues)
: array);
var i = -1,
n = array.length,
key = keys[depth++],
keyValue,
object,
o = {};
while (++i < n) {
if ((keyValue = key(object = array[i])) in o) {
o[keyValue].push(object);
} else {
o[keyValue] = [object];
}
}
for (keyValue in o) {
o[keyValue] = map(o[keyValue], depth);
}
return o;
}
function entries(map, depth) {
if (depth >= keys.length) return map;
var a = [],
sortKey = sortKeys[depth++],
key;
for (key in map) {
a.push({key: key, values: entries(map[key], depth)});
}
if (sortKey) a.sort(function(a, b) {
return sortKey(a.key, b.key);
});
return a;
}
nest.map = function(array) {
return map(array, 0);
};
nest.entries = function(array) {
return entries(map(array, 0), 0);
};
nest.key = function(d) {
keys.push(d);
return nest;
};
// Specifies the order for the most-recently specified key.
// Note: only applies to entries. Map keys are unordered!
nest.sortKeys = function(order) {
sortKeys[keys.length - 1] = order;
return nest;
};
// Specifies the order for leaf values.
// Applies to both maps and entries array.
nest.sortValues = function(order) {
sortValues = order;
return nest;
};
nest.rollup = function(f) {
rollup = f;
return nest;
};
return nest;
};
d3.keys = function(map) {
var keys = [];
for (var key in map) keys.push(key);
return keys;
};
d3.values = function(map) {
var values = [];
for (var key in map) values.push(map[key]);
return values;
};
d3.entries = function(map) {
var entries = [];
for (var key in map) entries.push({key: key, value: map[key]});
return entries;
};
d3.permute = function(array, indexes) {
var permutes = [],
i = -1,
n = indexes.length;
while (++i < n) permutes[i] = array[indexes[i]];
return permutes;
};
d3.merge = function(arrays) {
return Array.prototype.concat.apply([], arrays);
};
d3.split = function(array, f) {
var arrays = [],
values = [],
value,
i = -1,
n = array.length;
if (arguments.length < 2) f = d3_splitter;
while (++i < n) {
if (f.call(values, value = array[i], i)) {
values = [];
} else {
if (!values.length) arrays.push(values);
values.push(value);
}
}
return arrays;
};
function d3_splitter(d) {
return d == null;
}
function d3_collapse(s) {
return s.replace(/(^\s+)|(\s+$)/g, "").replace(/\s+/g, " ");
}
/**
* @param {number} start
* @param {number=} stop
* @param {number=} step
*/
d3.range = function(start, stop, step) {
if (arguments.length < 3) {
step = 1;
if (arguments.length < 2) {
stop = start;
start = 0;
}
}
if ((stop - start) / step == Infinity) throw new Error("infinite range");
var range = [],
i = -1,
j;
if (step < 0) while ((j = start + step * ++i) > stop) range.push(j);
else while ((j = start + step * ++i) < stop) range.push(j);
return range;
};
d3.requote = function(s) {
return s.replace(d3_requote_re, "\\$&");
};
var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
d3.round = function(x, n) {
return n
? Math.round(x * Math.pow(10, n)) * Math.pow(10, -n)
: Math.round(x);
};
d3.xhr = function(url, mime, callback) {
var req = new XMLHttpRequest;
if (arguments.length < 3) callback = mime, mime = null;
else if (mime && req.overrideMimeType) req.overrideMimeType(mime);
req.open("GET", url, true);
if (mime) req.setRequestHeader("Accept", mime);
req.onreadystatechange = function() {
if (req.readyState === 4) callback(req.status < 300 ? req : null);
};
req.send(null);
};
d3.text = function(url, mime, callback) {
function ready(req) {
callback(req && req.responseText);
}
if (arguments.length < 3) {
callback = mime;
mime = null;
}
d3.xhr(url, mime, ready);
};
d3.json = function(url, callback) {
d3.text(url, "application/json", function(text) {
callback(text ? JSON.parse(text) : null);
});
};
d3.html = function(url, callback) {
d3.text(url, "text/html", function(text) {
if (text != null) { // Treat empty string as valid HTML.
var range = document.createRange();
range.selectNode(document.body);
text = range.createContextualFragment(text);
}
callback(text);
});
};
d3.xml = function(url, mime, callback) {
function ready(req) {
callback(req && req.responseXML);
}
if (arguments.length < 3) {
callback = mime;
mime = null;
}
d3.xhr(url, mime, ready);
};
var d3_nsPrefix = {
svg: "http://www.w3.org/2000/svg",
xhtml: "http://www.w3.org/1999/xhtml",
xlink: "http://www.w3.org/1999/xlink",
xml: "http://www.w3.org/XML/1998/namespace",
xmlns: "http://www.w3.org/2000/xmlns/"
};
d3.ns = {
prefix: d3_nsPrefix,
qualify: function(name) {
var i = name.indexOf(":");
return i < 0 ? (name in d3_nsPrefix
? {space: d3_nsPrefix[name], local: name} : name)
: {space: d3_nsPrefix[name.substring(0, i)], local: name.substring(i + 1)};
}
};
d3.dispatch = function() {
var dispatch = new d3_dispatch(),
i = -1,
n = arguments.length;
while (++i < n) dispatch[arguments[i]] = d3_dispatch_event();
return dispatch;
};
function d3_dispatch() {}
d3_dispatch.prototype.on = function(type, listener) {
var i = type.indexOf("."),
name = "";
// Extract optional namespace, e.g., "click.foo"
if (i > 0) {
name = type.substring(i + 1);
type = type.substring(0, i);
}
return arguments.length < 2
? this[type].on(name)
: (this[type].on(name, listener), this);
};
function d3_dispatch_event() {
var listeners = [],
listenerByName = {};
function dispatch() {
var z = listeners, // defensive reference
i = -1,
n = z.length,
l;
while (++i < n) if (l = z[i].on) l.apply(this, arguments);
}
dispatch.on = function(name, listener) {
var l, i;
// return the current listener, if any
if (arguments.length < 2) return (l = listenerByName[name]) && l.on;
// remove the old listener, if any (with copy-on-write)
if (l = listenerByName[name]) {
l.on = null;
listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
delete listenerByName[name];
}
// add the new listener, if any
if (listener) {
listeners.push(listenerByName[name] = {on: listener});
}
return dispatch;
};
return dispatch;
};
// TODO align
d3.format = function(specifier) {
var match = d3_format_re.exec(specifier),
fill = match[1] || " ",
sign = match[3] || "",
zfill = match[5],
width = +match[6],
comma = match[7],
precision = match[8],
type = match[9],
scale = 1,
suffix = "",
integer = false;
if (precision) precision = +precision.substring(1);
if (zfill) {
fill = "0"; // TODO align = "=";
if (comma) width -= Math.floor((width - 1) / 4);
}
switch (type) {
case "n": comma = true; type = "g"; break;
case "%": scale = 100; suffix = "%"; type = "f"; break;
case "p": scale = 100; suffix = "%"; type = "r"; break;
case "d": integer = true; precision = 0; break;
case "s": scale = -1; type = "r"; break;
}
// If no precision is specified for r, fallback to general notation.
if (type == "r" && !precision) type = "g";
type = d3_format_types[type] || d3_format_typeDefault;
return function(value) {
// Return the empty string for floats formatted as ints.
if (integer && (value % 1)) return "";
// Convert negative to positive, and record the sign prefix.
var negative = (value < 0) && (value = -value) ? "\u2212" : sign;
// Apply the scale, computing it from the value's exponent for si format.
if (scale < 0) {
var prefix = d3.formatPrefix(value, precision);
value *= prefix.scale;
suffix = prefix.symbol;
} else {
value *= scale;
}
// Convert to the desired precision.
value = type(value, precision);
// If the fill character is 0, the sign and group is applied after the fill.
if (zfill) {
var length = value.length + negative.length;
if (length < width) value = new Array(width - length + 1).join(fill) + value;
if (comma) value = d3_format_group(value);
value = negative + value;
}
// Otherwise (e.g., space-filling), the sign and group is applied before.
else {
if (comma) value = d3_format_group(value);
value = negative + value;
var length = value.length;
if (length < width) value = new Array(width - length + 1).join(fill) + value;
}
return value + suffix;
};
};
// [[fill]align][sign][#][0][width][,][.precision][type]
var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/;
var d3_format_types = {
g: function(x, p) { return x.toPrecision(p); },
e: function(x, p) { return x.toExponential(p); },
f: function(x, p) { return x.toFixed(p); },
r: function(x, p) { return d3.round(x, p = d3_format_precision(x, p)).toFixed(Math.max(0, Math.min(20, p))); }
};
function d3_format_precision(x, p) {
return p - (x ? 1 + Math.floor(Math.log(x + Math.pow(10, 1 + Math.floor(Math.log(x) / Math.LN10) - p)) / Math.LN10) : 1);
}
function d3_format_typeDefault(x) {
return x + "";
}
// Apply comma grouping for thousands.
function d3_format_group(value) {
var i = value.lastIndexOf("."),
f = i >= 0 ? value.substring(i) : (i = value.length, ""),
t = [];
while (i > 0) t.push(value.substring(i -= 3, i + 3));
return t.reverse().join(",") + f;
}
var d3_formatPrefixes = ["y","z","a","f","p","n","μ","m","","k","M","G","T","P","E","Z","Y"].map(d3_formatPrefix);
d3.formatPrefix = function(value, precision) {
var i = 0;
if (value) {
if (value < 0) value *= -1;
if (precision) value = d3.round(value, d3_format_precision(value, precision));
i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3));
}
return d3_formatPrefixes[8 + i / 3];
};
function d3_formatPrefix(d, i) {
return {
scale: Math.pow(10, (8 - i) * 3),
symbol: d
};
}
/*
* TERMS OF USE - EASING EQUATIONS
*
* Open source under the BSD License.
*
* Copyright 2001 Robert Penner
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - Neither the name of the author nor the names of contributors may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
var d3_ease_quad = d3_ease_poly(2),
d3_ease_cubic = d3_ease_poly(3);
var d3_ease = {
linear: function() { return d3_ease_linear; },
poly: d3_ease_poly,
quad: function() { return d3_ease_quad; },
cubic: function() { return d3_ease_cubic; },
sin: function() { return d3_ease_sin; },
exp: function() { return d3_ease_exp; },
circle: function() { return d3_ease_circle; },
elastic: d3_ease_elastic,
back: d3_ease_back,
bounce: function() { return d3_ease_bounce; }
};
var d3_ease_mode = {
"in": function(f) { return f; },
"out": d3_ease_reverse,
"in-out": d3_ease_reflect,
"out-in": function(f) { return d3_ease_reflect(d3_ease_reverse(f)); }
};
d3.ease = function(name) {
var i = name.indexOf("-"),
t = i >= 0 ? name.substring(0, i) : name,
m = i >= 0 ? name.substring(i + 1) : "in";
return d3_ease_clamp(d3_ease_mode[m](d3_ease[t].apply(null, Array.prototype.slice.call(arguments, 1))));
};
function d3_ease_clamp(f) {
return function(t) {
return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
};
}
function d3_ease_reverse(f) {
return function(t) {
return 1 - f(1 - t);
};
}
function d3_ease_reflect(f) {
return function(t) {
return .5 * (t < .5 ? f(2 * t) : (2 - f(2 - 2 * t)));
};
}
function d3_ease_linear(t) {
return t;
}
function d3_ease_poly(e) {
return function(t) {
return Math.pow(t, e);
}
}
function d3_ease_sin(t) {
return 1 - Math.cos(t * Math.PI / 2);
}
function d3_ease_exp(t) {
return Math.pow(2, 10 * (t - 1));
}
function d3_ease_circle(t) {
return 1 - Math.sqrt(1 - t * t);
}
function d3_ease_elastic(a, p) {
var s;
if (arguments.length < 2) p = 0.45;
if (arguments.length < 1) { a = 1; s = p / 4; }
else s = p / (2 * Math.PI) * Math.asin(1 / a);
return function(t) {
return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * Math.PI / p);
};
}
function d3_ease_back(s) {
if (!s) s = 1.70158;
return function(t) {
return t * t * ((s + 1) * t - s);
};
}
function d3_ease_bounce(t) {
return t < 1 / 2.75 ? 7.5625 * t * t
: t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75
: t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375
: 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
}
d3.event = null;
function d3_eventCancel() {
d3.event.stopPropagation();
d3.event.preventDefault();
}
d3.interpolate = function(a, b) {
var i = d3.interpolators.length, f;
while (--i >= 0 && !(f = d3.interpolators[i](a, b)));
return f;
};
d3.interpolateNumber = function(a, b) {
b -= a;
return function(t) { return a + b * t; };
};
d3.interpolateRound = function(a, b) {
b -= a;
return function(t) { return Math.round(a + b * t); };
};
d3.interpolateString = function(a, b) {
var m, // current match
i, // current index
j, // current index (for coallescing)
s0 = 0, // start index of current string prefix
s1 = 0, // end index of current string prefix
s = [], // string constants and placeholders
q = [], // number interpolators
n, // q.length
o;
// Reset our regular expression!
d3_interpolate_number.lastIndex = 0;
// Find all numbers in b.
for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
if (m.index) s.push(b.substring(s0, s1 = m.index));
q.push({i: s.length, x: m[0]});
s.push(null);
s0 = d3_interpolate_number.lastIndex;
}
if (s0 < b.length) s.push(b.substring(s0));
// Find all numbers in a.
for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
o = q[i];
if (o.x == m[0]) { // The numbers match, so coallesce.
if (o.i) {
if (s[o.i + 1] == null) { // This match is followed by another number.
s[o.i - 1] += o.x;
s.splice(o.i, 1);
for (j = i + 1; j < n; ++j) q[j].i--;
} else { // This match is followed by a string, so coallesce twice.
s[o.i - 1] += o.x + s[o.i + 1];
s.splice(o.i, 2);
for (j = i + 1; j < n; ++j) q[j].i -= 2;
}
} else {
if (s[o.i + 1] == null) { // This match is followed by another number.
s[o.i] = o.x;
} else { // This match is followed by a string, so coallesce twice.
s[o.i] = o.x + s[o.i + 1];
s.splice(o.i + 1, 1);
for (j = i + 1; j < n; ++j) q[j].i--;
}
}
q.splice(i, 1);
n--;
i--;
} else {
o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
}
}
// Remove any numbers in b not found in a.
while (i < n) {
o = q.pop();
if (s[o.i + 1] == null) { // This match is followed by another number.
s[o.i] = o.x;
} else { // This match is followed by a string, so coallesce twice.
s[o.i] = o.x + s[o.i + 1];
s.splice(o.i + 1, 1);
}
n--;
}
// Special optimization for only a single match.
if (s.length === 1) {
return s[0] == null ? q[0].x : function() { return b; };
}
// Otherwise, interpolate each of the numbers and rejoin the string.
return function(t) {
for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
return s.join("");
};
};
d3.interpolateTransform = function(a, b) {
return d3.interpolateString(d3.transform(a) + "", d3.transform(b) + "");
};
d3.interpolateRgb = function(a, b) {
a = d3.rgb(a);
b = d3.rgb(b);
var ar = a.r,
ag = a.g,
ab = a.b,
br = b.r - ar,
bg = b.g - ag,
bb = b.b - ab;
return function(t) {
return "#"
+ d3_rgb_hex(Math.round(ar + br * t))
+ d3_rgb_hex(Math.round(ag + bg * t))
+ d3_rgb_hex(Math.round(ab + bb * t));
};
};
// interpolates HSL space, but outputs RGB string (for compatibility)
d3.interpolateHsl = function(a, b) {
a = d3.hsl(a);
b = d3.hsl(b);
var h0 = a.h,
s0 = a.s,
l0 = a.l,
h1 = b.h - h0,
s1 = b.s - s0,
l1 = b.l - l0;
return function(t) {
return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t).toString();
};
};
d3.interpolateArray = function(a, b) {
var x = [],
c = [],
na = a.length,
nb = b.length,
n0 = Math.min(a.length, b.length),
i;
for (i = 0; i < n0; ++i) x.push(d3.interpolate(a[i], b[i]));
for (; i < na; ++i) c[i] = a[i];
for (; i < nb; ++i) c[i] = b[i];
return function(t) {
for (i = 0; i < n0; ++i) c[i] = x[i](t);
return c;
};
};
d3.interpolateObject = function(a, b) {
var i = {},
c = {},
k;
for (k in a) {
if (k in b) {
i[k] = d3_interpolateByName(k)(a[k], b[k]);
} else {
c[k] = a[k];
}
}
for (k in b) {
if (!(k in a)) {
c[k] = b[k];
}
}
return function(t) {
for (k in i) c[k] = i[k](t);
return c;
};
}
var d3_interpolate_number = /[-+]?(?:\d*\.?\d+)(?:[eE][-+]?\d+)?/g;
function d3_interpolateByName(n) {
return n == "transform"
? d3.interpolateTransform
: d3.interpolate;
}
d3.interpolators = [
d3.interpolateObject,
function(a, b) { return (b instanceof Array) && d3.interpolateArray(a, b); },
function(a, b) { return (typeof a === "string" || typeof b === "string") && d3.interpolateString(a + "", b + ""); },
function(a, b) { return (typeof b === "string" ? b in d3_rgb_names || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Rgb || b instanceof d3_Hsl) && d3.interpolateRgb(a, b); },
function(a, b) { return !isNaN(a = +a) && !isNaN(b = +b) && d3.interpolateNumber(a, b); }
];
function d3_uninterpolateNumber(a, b) {
b = b - (a = +a) ? 1 / (b - a) : 0;
return function(x) { return (x - a) * b; };
}
function d3_uninterpolateClamp(a, b) {
b = b - (a = +a) ? 1 / (b - a) : 0;
return function(x) { return Math.max(0, Math.min(1, (x - a) * b)); };
}
d3.rgb = function(r, g, b) {
return arguments.length === 1
? (r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b)
: d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb))
: d3_rgb(~~r, ~~g, ~~b);
};
function d3_rgb(r, g, b) {
return new d3_Rgb(r, g, b);
}
function d3_Rgb(r, g, b) {
this.r = r;
this.g = g;
this.b = b;
}
d3_Rgb.prototype.brighter = function(k) {
k = Math.pow(0.7, arguments.length ? k : 1);
var r = this.r,
g = this.g,
b = this.b,
i = 30;
if (!r && !g && !b) return d3_rgb(i, i, i);
if (r && r < i) r = i;
if (g && g < i) g = i;
if (b && b < i) b = i;
return d3_rgb(
Math.min(255, Math.floor(r / k)),
Math.min(255, Math.floor(g / k)),
Math.min(255, Math.floor(b / k)));
};
d3_Rgb.prototype.darker = function(k) {
k = Math.pow(0.7, arguments.length ? k : 1);
return d3_rgb(
Math.floor(k * this.r),
Math.floor(k * this.g),
Math.floor(k * this.b));
};
d3_Rgb.prototype.hsl = function() {
return d3_rgb_hsl(this.r, this.g, this.b);
};
d3_Rgb.prototype.toString = function() {
return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
};
function d3_rgb_hex(v) {
return v < 0x10
? "0" + Math.max(0, v).toString(16)
: Math.min(255, v).toString(16);
}
function d3_rgb_parse(format, rgb, hsl) {
var r = 0, // red channel; int in [0, 255]
g = 0, // green channel; int in [0, 255]
b = 0, // blue channel; int in [0, 255]
m1, // CSS color specification match
m2, // CSS color specification type (e.g., rgb)
name;
/* Handle hsl, rgb. */
m1 = /([a-z]+)\((.*)\)/i.exec(format);
if (m1) {
m2 = m1[2].split(",");
switch (m1[1]) {
case "hsl": {
return hsl(
parseFloat(m2[0]), // degrees
parseFloat(m2[1]) / 100, // percentage
parseFloat(m2[2]) / 100 // percentage
);
}
case "rgb": {
return rgb(
d3_rgb_parseNumber(m2[0]),
d3_rgb_parseNumber(m2[1]),
d3_rgb_parseNumber(m2[2])
);
}
}
}
/* Named colors. */
if (name = d3_rgb_names[format]) return rgb(name.r, name.g, name.b);
/* Hexadecimal colors: #rgb and #rrggbb. */
if (format != null && format.charAt(0) === "#") {
if (format.length === 4) {
r = format.charAt(1); r += r;
g = format.charAt(2); g += g;
b = format.charAt(3); b += b;
} else if (format.length === 7) {
r = format.substring(1, 3);
g = format.substring(3, 5);
b = format.substring(5, 7);
}
r = parseInt(r, 16);
g = parseInt(g, 16);
b = parseInt(b, 16);
}
return rgb(r, g, b);
}
function d3_rgb_hsl(r, g, b) {
var min = Math.min(r /= 255, g /= 255, b /= 255),
max = Math.max(r, g, b),
d = max - min,
h,
s,
l = (max + min) / 2;
if (d) {
s = l < .5 ? d / (max + min) : d / (2 - max - min);
if (r == max) h = (g - b) / d + (g < b ? 6 : 0);
else if (g == max) h = (b - r) / d + 2;
else h = (r - g) / d + 4;
h *= 60;
} else {
s = h = 0;
}
return d3_hsl(h, s, l);
}
function d3_rgb_parseNumber(c) { // either integer or percentage
var f = parseFloat(c);
return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
}
var d3_rgb_names = {
aliceblue: "#f0f8ff",
antiquewhite: "#faebd7",
aqua: "#00ffff",
aquamarine: "#7fffd4",
azure: "#f0ffff",
beige: "#f5f5dc",
bisque: "#ffe4c4",
black: "#000000",
blanchedalmond: "#ffebcd",
blue: "#0000ff",
blueviolet: "#8a2be2",
brown: "#a52a2a",
burlywood: "#deb887",
cadetblue: "#5f9ea0",
chartreuse: "#7fff00",
chocolate: "#d2691e",
coral: "#ff7f50",
cornflowerblue: "#6495ed",
cornsilk: "#fff8dc",
crimson: "#dc143c",
cyan: "#00ffff",
darkblue: "#00008b",
darkcyan: "#008b8b",
darkgoldenrod: "#b8860b",
darkgray: "#a9a9a9",
darkgreen: "#006400",
darkgrey: "#a9a9a9",
darkkhaki: "#bdb76b",
darkmagenta: "#8b008b",
darkolivegreen: "#556b2f",
darkorange: "#ff8c00",
darkorchid: "#9932cc",
darkred: "#8b0000",
darksalmon: "#e9967a",
darkseagreen: "#8fbc8f",
darkslateblue: "#483d8b",
darkslategray: "#2f4f4f",
darkslategrey: "#2f4f4f",
darkturquoise: "#00ced1",
darkviolet: "#9400d3",
deeppink: "#ff1493",
deepskyblue: "#00bfff",
dimgray: "#696969",
dimgrey: "#696969",
dodgerblue: "#1e90ff",
firebrick: "#b22222",
floralwhite: "#fffaf0",
forestgreen: "#228b22",
fuchsia: "#ff00ff",
gainsboro: "#dcdcdc",
ghostwhite: "#f8f8ff",
gold: "#ffd700",
goldenrod: "#daa520",
gray: "#808080",
green: "#008000",
greenyellow: "#adff2f",
grey: "#808080",
honeydew: "#f0fff0",
hotpink: "#ff69b4",
indianred: "#cd5c5c",
indigo: "#4b0082",
ivory: "#fffff0",
khaki: "#f0e68c",
lavender: "#e6e6fa",
lavenderblush: "#fff0f5",
lawngreen: "#7cfc00",
lemonchiffon: "#fffacd",
lightblue: "#add8e6",
lightcoral: "#f08080",
lightcyan: "#e0ffff",
lightgoldenrodyellow: "#fafad2",
lightgray: "#d3d3d3",
lightgreen: "#90ee90",
lightgrey: "#d3d3d3",
lightpink: "#ffb6c1",
lightsalmon: "#ffa07a",
lightseagreen: "#20b2aa",
lightskyblue: "#87cefa",
lightslategray: "#778899",
lightslategrey: "#778899",
lightsteelblue: "#b0c4de",
lightyellow: "#ffffe0",
lime: "#00ff00",
limegreen: "#32cd32",
linen: "#faf0e6",
magenta: "#ff00ff",
maroon: "#800000",
mediumaquamarine: "#66cdaa",
mediumblue: "#0000cd",
mediumorchid: "#ba55d3",
mediumpurple: "#9370db",
mediumseagreen: "#3cb371",
mediumslateblue: "#7b68ee",
mediumspringgreen: "#00fa9a",
mediumturquoise: "#48d1cc",
mediumvioletred: "#c71585",
midnightblue: "#191970",
mintcream: "#f5fffa",
mistyrose: "#ffe4e1",
moccasin: "#ffe4b5",
navajowhite: "#ffdead",
navy: "#000080",
oldlace: "#fdf5e6",
olive: "#808000",
olivedrab: "#6b8e23",
orange: "#ffa500",
orangered: "#ff4500",
orchid: "#da70d6",
palegoldenrod: "#eee8aa",
palegreen: "#98fb98",
paleturquoise: "#afeeee",
palevioletred: "#db7093",
papayawhip: "#ffefd5",
peachpuff: "#ffdab9",
peru: "#cd853f",
pink: "#ffc0cb",
plum: "#dda0dd",
powderblue: "#b0e0e6",
purple: "#800080",
red: "#ff0000",
rosybrown: "#bc8f8f",
royalblue: "#4169e1",
saddlebrown: "#8b4513",
salmon: "#fa8072",
sandybrown: "#f4a460",
seagreen: "#2e8b57",
seashell: "#fff5ee",
sienna: "#a0522d",
silver: "#c0c0c0",
skyblue: "#87ceeb",
slateblue: "#6a5acd",
slategray: "#708090",
slategrey: "#708090",
snow: "#fffafa",
springgreen: "#00ff7f",
steelblue: "#4682b4",
tan: "#d2b48c",
teal: "#008080",
thistle: "#d8bfd8",
tomato: "#ff6347",
turquoise: "#40e0d0",
violet: "#ee82ee",
wheat: "#f5deb3",
white: "#ffffff",
whitesmoke: "#f5f5f5",
yellow: "#ffff00",
yellowgreen: "#9acd32"
};
for (var d3_rgb_name in d3_rgb_names) {
d3_rgb_names[d3_rgb_name] = d3_rgb_parse(
d3_rgb_names[d3_rgb_name],
d3_rgb,
d3_hsl_rgb);
}
d3.hsl = function(h, s, l) {
return arguments.length === 1
? (h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l)
: d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl))
: d3_hsl(+h, +s, +l);
};
function d3_hsl(h, s, l) {
return new d3_Hsl(h, s, l);
}
function d3_Hsl(h, s, l) {
this.h = h;
this.s = s;
this.l = l;
}
d3_Hsl.prototype.brighter = function(k) {
k = Math.pow(0.7, arguments.length ? k : 1);
return d3_hsl(this.h, this.s, this.l / k);
};
d3_Hsl.prototype.darker = function(k) {
k = Math.pow(0.7, arguments.length ? k : 1);
return d3_hsl(this.h, this.s, k * this.l);
};
d3_Hsl.prototype.rgb = function() {
return d3_hsl_rgb(this.h, this.s, this.l);
};
d3_Hsl.prototype.toString = function() {
return this.rgb().toString();
};
function d3_hsl_rgb(h, s, l) {
var m1,
m2;
/* Some simple corrections for h, s and l. */
h = h % 360; if (h < 0) h += 360;
s = s < 0 ? 0 : s > 1 ? 1 : s;
l = l < 0 ? 0 : l > 1 ? 1 : l;
/* From FvD 13.37, CSS Color Module Level 3 */
m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
m1 = 2 * l - m2;
function v(h) {
if (h > 360) h -= 360;
else if (h < 0) h += 360;
if (h < 60) return m1 + (m2 - m1) * h / 60;
if (h < 180) return m2;
if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
return m1;
}
function vv(h) {
return Math.round(v(h) * 255);
}
return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
}
function d3_selection(groups) {
d3_arraySubclass(groups, d3_selectionPrototype);
return groups;
}
var d3_select = function(s, n) { return n.querySelector(s); },
d3_selectAll = function(s, n) { return n.querySelectorAll(s); },
d3_selectRoot = document.documentElement,
d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector,
d3_selectMatches = function(n, s) { return d3_selectMatcher.call(n, s); };
// Prefer Sizzle, if available.
if (typeof Sizzle === "function") {
d3_select = function(s, n) { return Sizzle(s, n)[0]; };
d3_selectAll = function(s, n) { return Sizzle.uniqueSort(Sizzle(s, n)); };
d3_selectMatches = Sizzle.matchesSelector;
}
var d3_selectionPrototype = [];
d3.selection = function() {
return d3_selectionRoot;
};
d3.selection.prototype = d3_selectionPrototype;
d3_selectionPrototype.select = function(selector) {
var subgroups = [],
subgroup,
subnode,
group,
node;
if (typeof selector !== "function") selector = d3_selection_selector(selector);
for (var j = -1, m = this.length; ++j < m;) {
subgroups.push(subgroup = []);
subgroup.parentNode = (group = this[j]).parentNode;
for (var i = -1, n = group.length; ++i < n;) {
if (node = group[i]) {
subgroup.push(subnode = selector.call(node, node.__data__, i));
if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
} else {
subgroup.push(null);
}
}
}
return d3_selection(subgroups);
};
function d3_selection_selector(selector) {
return function() {
return d3_select(selector, this);
};
}
d3_selectionPrototype.selectAll = function(selector) {
var subgroups = [],
subgroup,
node;
if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
for (var j = -1, m = this.length; ++j < m;) {
for (var group = this[j], i = -1, n = group.length; ++i < n;) {
if (node = group[i]) {
subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i)));
subgroup.parentNode = node;
}
}
}
return d3_selection(subgroups);
};
function d3_selection_selectorAll(selector) {
return function() {
return d3_selectAll(selector, this);
};
}
d3_selectionPrototype.attr = function(name, value) {
name = d3.ns.qualify(name);
// If no value is specified, return the first value.
if (arguments.length < 2) {
var node = this.node();
return name.local
? node.getAttributeNS(name.space, name.local)
: node.getAttribute(name);
}
function attrNull() {
this.removeAttribute(name);
}
function attrNullNS() {
this.removeAttributeNS(name.space, name.local);
}
function attrConstant() {
this.setAttribute(name, value);
}
function attrConstantNS() {
this.setAttributeNS(name.space, name.local, value);
}
function attrFunction() {
var x = value.apply(this, arguments);
if (x == null) this.removeAttribute(name);
else this.setAttribute(name, x);
}
function attrFunctionNS() {
var x = value.apply(this, arguments);
if (x == null) this.removeAttributeNS(name.space, name.local);
else this.setAttributeNS(name.space, name.local, x);
}
return this.each(value == null
? (name.local ? attrNullNS : attrNull) : (typeof value === "function"
? (name.local ? attrFunctionNS : attrFunction)
: (name.local ? attrConstantNS : attrConstant)));
};
d3_selectionPrototype.classed = function(name, value) {
var names = name.split(d3_selection_classedWhitespace),
n = names.length,
i = -1;
if (arguments.length > 1) {
while (++i < n) d3_selection_classed.call(this, names[i], value);
return this;
} else {
while (++i < n) if (!d3_selection_classed.call(this, names[i])) return false;
return true;
}
};
var d3_selection_classedWhitespace = /\s+/g;
function d3_selection_classed(name, value) {
var re = new RegExp("(^|\\s+)" + d3.requote(name) + "(\\s+|$)", "g");
// If no value is specified, return the first value.
if (arguments.length < 2) {
var node = this.node();
if (c = node.classList) return c.contains(name);
var c = node.className;
re.lastIndex = 0;
return re.test(c.baseVal != null ? c.baseVal : c);
}
function classedAdd() {
if (c = this.classList) return c.add(name);
var c = this.className,
cb = c.baseVal != null,
cv = cb ? c.baseVal : c;
re.lastIndex = 0;
if (!re.test(cv)) {
cv = d3_collapse(cv + " " + name);
if (cb) c.baseVal = cv;
else this.className = cv;
}
}
function classedRemove() {
if (c = this.classList) return c.remove(name);
var c = this.className,
cb = c.baseVal != null,
cv = cb ? c.baseVal : c;
cv = d3_collapse(cv.replace(re, " "));
if (cb) c.baseVal = cv;
else this.className = cv;
}
function classedFunction() {
(value.apply(this, arguments)
? classedAdd
: classedRemove).call(this);
}
return this.each(typeof value === "function"
? classedFunction : value
? classedAdd
: classedRemove);
}
d3_selectionPrototype.style = function(name, value, priority) {
if (arguments.length < 3) priority = "";
// If no value is specified, return the first value.
if (arguments.length < 2) return window
.getComputedStyle(this.node(), null)
.getPropertyValue(name);
function styleNull() {
this.style.removeProperty(name);
}
function styleConstant() {
this.style.setProperty(name, value, priority);
}
function styleFunction() {
var x = value.apply(this, arguments);
if (x == null) this.style.removeProperty(name);
else this.style.setProperty(name, x, priority);
}
return this.each(value == null
? styleNull : (typeof value === "function"
? styleFunction : styleConstant));
};
d3_selectionPrototype.property = function(name, value) {
// If no value is specified, return the first value.
if (arguments.length < 2) return this.node()[name];
function propertyNull() {
delete this[name];
}
function propertyConstant() {
this[name] = value;
}
function propertyFunction() {
var x = value.apply(this, arguments);
if (x == null) delete this[name];
else this[name] = x;
}
return this.each(value == null
? propertyNull : (typeof value === "function"
? propertyFunction : propertyConstant));
};
d3_selectionPrototype.text = function(value) {
return arguments.length < 1
? this.node().textContent : this.each(typeof value === "function"
? function() { var v = value.apply(this, arguments); this.textContent = v == null ? "" : v; } : value == null
? function() { this.textContent = ""; }
: function() { this.textContent = value; });
};
d3_selectionPrototype.html = function(value) {
return arguments.length < 1
? this.node().innerHTML : this.each(typeof value === "function"
? function() { var v = value.apply(this, arguments); this.innerHTML = v == null ? "" : v; } : value == null
? function() { this.innerHTML = ""; }
: function() { this.innerHTML = value; });
};
// TODO append(node)?
// TODO append(function)?
d3_selectionPrototype.append = function(name) {
name = d3.ns.qualify(name);
function append() {
var child = document.createElement(name)
child.__chart__ = this.__chart__
return this.appendChild(child);
}
function appendNS() {
var child = document.createElementNS(name.space, name.local)
child.__chart__ = this.__chart__
return this.appendChild(child);
}
return this.select(name.local ? appendNS : append);
};
// TODO insert(node, function)?
// TODO insert(function, string)?
// TODO insert(function, function)?
d3_selectionPrototype.insert = function(name, before) {
name = d3.ns.qualify(name);
function insert() {
return this.insertBefore(
document.createElementNS(this.namespaceURI, name),
d3_select(before, this));
}
function insertNS() {
return this.insertBefore(
document.createElementNS(name.space, name.local),
d3_select(before, this));
}
return this.select(name.local ? insertNS : insert);
};
// TODO remove(selector)?
// TODO remove(node)?
// TODO remove(function)?
d3_selectionPrototype.remove = function() {
return this.each(function() {
var parent = this.parentNode;
if (parent) parent.removeChild(this);
});
};
// TODO data(null) for clearing data?
d3_selectionPrototype.data = function(data, join) {
var enter = [],
update = [],
exit = [];
function bind(group, groupData) {
var i,
n = group.length,
m = groupData.length,
n0 = Math.min(n, m),
n1 = Math.max(n, m),
updateNodes = [],
enterNodes = [],
exitNodes = [],
node,
nodeData;
if (join) {
var nodeByKey = {},
keys = [],
key,
j = groupData.length;
for (i = -1; ++i < n;) {
key = join.call(node = group[i], node.__data__, i);
if (key in nodeByKey) {
exitNodes[j++] = node; // duplicate key
} else {
nodeByKey[key] = node;
}
keys.push(key);
}
for (i = -1; ++i < m;) {
node = nodeByKey[key = join.call(groupData, nodeData = groupData[i], i)];
if (node) {
node.__data__ = nodeData;
updateNodes[i] = node;
enterNodes[i] = exitNodes[i] = null;
} else {
enterNodes[i] = d3_selection_dataNode(nodeData);
updateNodes[i] = exitNodes[i] = null;
}
delete nodeByKey[key];
}
for (i = -1; ++i < n;) {
if (keys[i] in nodeByKey) {
exitNodes[i] = group[i];
}
}
} else {
for (i = -1; ++i < n0;) {
node = group[i];
nodeData = groupData[i];
if (node) {
node.__data__ = nodeData;
updateNodes[i] = node;
enterNodes[i] = exitNodes[i] = null;
} else {
enterNodes[i] = d3_selection_dataNode(nodeData);
updateNodes[i] = exitNodes[i] = null;
}
}
for (; i < m; ++i) {
enterNodes[i] = d3_selection_dataNode(groupData[i]);
updateNodes[i] = exitNodes[i] = null;
}
for (; i < n1; ++i) {
exitNodes[i] = group[i];
enterNodes[i] = updateNodes[i] = null;
}
}
enterNodes.update
= updateNodes;
enterNodes.parentNode
= updateNodes.parentNode
= exitNodes.parentNode
= group.parentNode;
enter.push(enterNodes);
update.push(updateNodes);
exit.push(exitNodes);
}
var i = -1,
n = this.length,
group;
if (typeof data === "function") {
while (++i < n) {
bind(group = this[i], data.call(group, group.parentNode.__data__, i));
}
} else {
while (++i < n) {
bind(group = this[i], data);
}
}
var selection = d3_selection(update);
selection.enter = function() { return d3_selection_enter(enter); };
selection.exit = function() { return d3_selection(exit); };
return selection;
};
function d3_selection_dataNode(data) {
return {__data__: data};
}
d3_selectionPrototype.filter = function(filter) {
var subgroups = [],
subgroup,
group,
node;
if (typeof filter !== "function") filter = d3_selection_filter(filter);
for (var j = 0, m = this.length; j < m; j++) {
subgroups.push(subgroup = []);
subgroup.parentNode = (group = this[j]).parentNode;
for (var i = 0, n = group.length; i < n; i++) {
if ((node = group[i]) && filter.call(node, node.__data__, i)) {
subgroup.push(node);
}
}
}
return d3_selection(subgroups);
};
function d3_selection_filter(selector) {
return function() {
return d3_selectMatches(this, selector);
};
}
d3_selectionPrototype.map = function(map) {
return this.each(function() {
this.__data__ = map.apply(this, arguments);
});
};
d3_selectionPrototype.order = function() {
for (var j = -1, m = this.length; ++j < m;) {
for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0;) {
if (node = group[i]) {
if (next) next.parentNode.insertBefore(node, next);
next = node;
}
}
}
return this;
};
d3_selectionPrototype.sort = function(comparator) {
comparator = d3_selection_sortComparator.apply(this, arguments);
for (var j = -1, m = this.length; ++j < m;) this[j].sort(comparator);
return this.order();
};
function d3_selection_sortComparator(comparator) {
if (!arguments.length) comparator = d3.ascending;
return function(a, b) {
return comparator(a && a.__data__, b && b.__data__);
};
}
// type can be namespaced, e.g., "click.foo"
// listener can be null for removal
d3_selectionPrototype.on = function(type, listener, capture) {
if (arguments.length < 3) capture = false;
// parse the type specifier
var name = "__on" + type, i = type.indexOf(".");
if (i > 0) type = type.substring(0, i);
// if called with only one argument, return the current listener
if (arguments.length < 2) return (i = this.node()[name]) && i._;
// remove the old event listener, and add the new event listener
return this.each(function(d, i) {
var node = this;
if (node[name]) node.removeEventListener(type, node[name], capture);
if (listener) node.addEventListener(type, node[name] = l, capture);
// wrapped event listener that preserves i
function l(e) {
var o = d3.event; // Events can be reentrant (e.g., focus).
d3.event = e;
try {
listener.call(node, node.__data__, i);
} finally {
d3.event = o;
}
}
// stash the unwrapped listener for retrieval
l._ = listener;
});
};
d3_selectionPrototype.each = function(callback) {
for (var j = -1, m = this.length; ++j < m;) {
for (var group = this[j], i = -1, n = group.length; ++i < n;) {
var node = group[i];
if (node) callback.call(node, node.__data__, i, j);
}
}
return this;
};
//
// Note: assigning to the arguments array simultaneously changes the value of
// the corresponding argument!
//
// TODO The `this` argument probably shouldn't be the first argument to the
// callback, anyway, since it's redundant. However, that will require a major
// version bump due to backwards compatibility, so I'm not changing it right
// away.
//
d3_selectionPrototype.call = function(callback) {
callback.apply(this, (arguments[0] = this, arguments));
return this;
};
d3_selectionPrototype.empty = function() {
return !this.node();
};
d3_selectionPrototype.node = function(callback) {
for (var j = 0, m = this.length; j < m; j++) {
for (var group = this[j], i = 0, n = group.length; i < n; i++) {
var node = group[i];
if (node) return node;
}
}
return null;
};
d3_selectionPrototype.transition = function() {
var subgroups = [],
subgroup,
node;
for (var j = -1, m = this.length; ++j < m;) {
subgroups.push(subgroup = []);
for (var group = this[j], i = -1, n = group.length; ++i < n;) {
subgroup.push((node = group[i]) ? {node: node, delay: 0, duration: 250} : null);
}
}
return d3_transition(subgroups, d3_transitionInheritId || ++d3_transitionId, Date.now());
};
var d3_selectionRoot = d3_selection([[document]]);
d3_selectionRoot[0].parentNode = d3_selectRoot;
// TODO fast singleton implementation!
// TODO select(function)
d3.select = function(selector) {
return typeof selector === "string"
? d3_selectionRoot.select(selector)
: d3_selection([[selector]]); // assume node
};
// TODO selectAll(function)
d3.selectAll = function(selector) {
return typeof selector === "string"
? d3_selectionRoot.selectAll(selector)
: d3_selection([d3_array(selector)]); // assume node[]
};
function d3_selection_enter(selection) {
d3_arraySubclass(selection, d3_selection_enterPrototype);
return selection;
}
var d3_selection_enterPrototype = [];
d3_selection_enterPrototype.append = d3_selectionPrototype.append;
d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
d3_selection_enterPrototype.node = d3_selectionPrototype.node;
d3_selection_enterPrototype.select = function(selector) {
var subgroups = [],
subgroup,
subnode,
upgroup,
group,
node;
for (var j = -1, m = this.length; ++j < m;) {
upgroup = (group = this[j]).update;
subgroups.push(subgroup = []);
subgroup.parentNode = group.parentNode;
for (var i = -1, n = group.length; ++i < n;) {
if (node = group[i]) {
subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i));
subnode.__data__ = node.__data__;
} else {
subgroup.push(null);
}
}
}
return d3_selection(subgroups);
};
function d3_transition(groups, id, time) {
d3_arraySubclass(groups, d3_transitionPrototype);
var tweens = {},
event = d3.dispatch("start", "end"),
ease = d3_transitionEase;
groups.id = id;
groups.time = time;
groups.tween = function(name, tween) {
if (arguments.length < 2) return tweens[name];
if (tween == null) delete tweens[name];
else tweens[name] = tween;
return groups;
};
groups.ease = function(value) {
if (!arguments.length) return ease;
ease = typeof value === "function" ? value : d3.ease.apply(d3, arguments);
return groups;
};
groups.each = function(type, listener) {
if (arguments.length < 2) return d3_transition_each.call(groups, type);
event.on(type, listener);
return groups;
};
d3.timer(function(elapsed) {
groups.each(function(d, i, j) {
var tweened = [],
node = this,
delay = groups[j][i].delay,
duration = groups[j][i].duration,
lock = node.__transition__ || (node.__transition__ = {active: 0, count: 0});
++lock.count;
delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time);
function start(elapsed) {
if (lock.active > id) return stop();
lock.active = id;
for (var tween in tweens) {
if (tween = tweens[tween].call(node, d, i)) {
tweened.push(tween);
}
}
event.start.call(node, d, i);
if (!tick(elapsed)) d3.timer(tick, 0, time);
return 1;
}
function tick(elapsed) {
if (lock.active !== id) return stop();
var t = (elapsed - delay) / duration,
e = ease(t),
n = tweened.length;
while (n > 0) {
tweened[--n].call(node, e);
}
if (t >= 1) {
stop();
d3_transitionInheritId = id;
event.end.call(node, d, i);
d3_transitionInheritId = 0;
return 1;
}
}
function stop() {
if (!--lock.count) delete node.__transition__;
return 1;
}
});
return 1;
}, 0, time);
return groups;
}
var d3_transitionRemove = {};
function d3_transitionNull(d, i, a) {
return a != "" && d3_transitionRemove;
}
function d3_transitionTween(name, b) {
var interpolate = d3_interpolateByName(name);
function transitionFunction(d, i, a) {
var v = b.call(this, d, i);
return v == null
? a != "" && d3_transitionRemove
: a != v && interpolate(a, v);
}
function transitionString(d, i, a) {
return a != b && interpolate(a, b);
}
return typeof b === "function" ? transitionFunction
: b == null ? d3_transitionNull
: (b += "", transitionString);
}
var d3_transitionPrototype = [],
d3_transitionId = 0,
d3_transitionInheritId = 0,
d3_transitionEase = d3.ease("cubic-in-out");
d3_transitionPrototype.call = d3_selectionPrototype.call;
d3.transition = function() {
return d3_selectionRoot.transition();
};
d3.transition.prototype = d3_transitionPrototype;
d3_transitionPrototype.select = function(selector) {
var subgroups = [],
subgroup,
subnode,
node;
if (typeof selector !== "function") selector = d3_selection_selector(selector);
for (var j = -1, m = this.length; ++j < m;) {
subgroups.push(subgroup = []);
for (var group = this[j], i = -1, n = group.length; ++i < n;) {
if ((node = group[i]) && (subnode = selector.call(node.node, node.node.__data__, i))) {
if ("__data__" in node.node) subnode.__data__ = node.node.__data__;
subgroup.push({node: subnode, delay: node.delay, duration: node.duration});
} else {
subgroup.push(null);
}
}
}
return d3_transition(subgroups, this.id, this.time).ease(this.ease());
};
d3_transitionPrototype.selectAll = function(selector) {
var subgroups = [],
subgroup,
subnodes,
node;
if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
for (var j = -1, m = this.length; ++j < m;) {
for (var group = this[j], i = -1, n = group.length; ++i < n;) {
if (node = group[i]) {
subnodes = selector.call(node.node, node.node.__data__, i);
subgroups.push(subgroup = []);
for (var k = -1, o = subnodes.length; ++k < o;) {
subgroup.push({node: subnodes[k], delay: node.delay, duration: node.duration});
}
}
}
}
return d3_transition(subgroups, this.id, this.time).ease(this.ease());
};
d3_transitionPrototype.attr = function(name, value) {
return this.attrTween(name, d3_transitionTween(name, value));
};
d3_transitionPrototype.attrTween = function(nameNS, tween) {
var name = d3.ns.qualify(nameNS);
function attrTween(d, i) {
var f = tween.call(this, d, i, this.getAttribute(name));
return f === d3_transitionRemove
? (this.removeAttribute(name), null)
: f && function(t) { this.setAttribute(name, f(t)); };
}
function attrTweenNS(d, i) {
var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
return f === d3_transitionRemove
? (this.removeAttributeNS(name.space, name.local), null)
: f && function(t) { this.setAttributeNS(name.space, name.local, f(t)); };
}
return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
};
d3_transitionPrototype.style = function(name, value, priority) {
if (arguments.length < 3) priority = "";
return this.styleTween(name, d3_transitionTween(name, value), priority);
};
d3_transitionPrototype.styleTween = function(name, tween, priority) {
if (arguments.length < 3) priority = "";
return this.tween("style." + name, function(d, i) {
var f = tween.call(this, d, i, window.getComputedStyle(this, null).getPropertyValue(name));
return f === d3_transitionRemove
? (this.style.removeProperty(name), null)
: f && function(t) { this.style.setProperty(name, f(t), priority); };
});
};
d3_transitionPrototype.text = function(value) {
return this.tween("text", function(d, i) {
this.textContent = typeof value === "function"
? value.call(this, d, i)
: value;
});
};
d3_transitionPrototype.remove = function() {
return this.each("end", function() {
var p;
if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this);
});
};
d3_transitionPrototype.delay = function(value) {
var groups = this;
return groups.each(typeof value === "function"
? function(d, i, j) { groups[j][i].delay = +value.apply(this, arguments); }
: (value = +value, function(d, i, j) { groups[j][i].delay = value; }));
};
d3_transitionPrototype.duration = function(value) {
var groups = this;
return groups.each(typeof value === "function"
? function(d, i, j) { groups[j][i].duration = +value.apply(this, arguments); }
: (value = +value, function(d, i, j) { groups[j][i].duration = value; }));
};
function d3_transition_each(callback) {
for (var j = 0, m = this.length; j < m; j++) {
for (var group = this[j], i = 0, n = group.length; i < n; i++) {
var node = group[i];
if (node) callback.call(node = node.node, node.__data__, i, j);
}
}
return this;
}
d3_transitionPrototype.transition = function() {
return this.select(d3_this);
};
var d3_timer_queue = null,
d3_timer_interval, // is an interval (or frame) active?
d3_timer_timeout; // is a timeout active?
// The timer will continue to fire until callback returns true.
d3.timer = function(callback, delay, then) {
var found = false,
t0,
t1 = d3_timer_queue;
if (arguments.length < 3) {
if (arguments.length < 2) delay = 0;
else if (!isFinite(delay)) return;
then = Date.now();
}
// See if the callback's already in the queue.
while (t1) {
if (t1.callback === callback) {
t1.then = then;
t1.delay = delay;
found = true;
break;
}
t0 = t1;
t1 = t1.next;
}
// Otherwise, add the callback to the queue.
if (!found) d3_timer_queue = {
callback: callback,
then: then,
delay: delay,
next: d3_timer_queue
};
// Start animatin'!
if (!d3_timer_interval) {
d3_timer_timeout = clearTimeout(d3_timer_timeout);
d3_timer_interval = 1;
d3_timer_frame(d3_timer_step);
}
}
function d3_timer_step() {
var elapsed,
now = Date.now(),
t1 = d3_timer_queue;
while (t1) {
elapsed = now - t1.then;
if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed);
t1 = t1.next;
}
var delay = d3_timer_flush() - now;
if (delay > 24) {
if (isFinite(delay)) {
clearTimeout(d3_timer_timeout);
d3_timer_timeout = setTimeout(d3_timer_step, delay);
}
d3_timer_interval = 0;
} else {
d3_timer_interval = 1;
d3_timer_frame(d3_timer_step);
}
}
d3.timer.flush = function() {
var elapsed,
now = Date.now(),
t1 = d3_timer_queue;
while (t1) {
elapsed = now - t1.then;
if (!t1.delay) t1.flush = t1.callback(elapsed);
t1 = t1.next;
}
d3_timer_flush();
};
// Flush after callbacks, to avoid concurrent queue modification.
function d3_timer_flush() {
var t0 = null,
t1 = d3_timer_queue,
then = Infinity;
while (t1) {
if (t1.flush) {
t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next;
} else {
then = Math.min(then, t1.then + t1.delay);
t1 = (t0 = t1).next;
}
}
return then;
}
var d3_timer_frame = window.requestAnimationFrame
|| window.webkitRequestAnimationFrame
|| window.mozRequestAnimationFrame
|| window.oRequestAnimationFrame
|| window.msRequestAnimationFrame
|| function(callback) { setTimeout(callback, 17); };
d3.transform = function(string) {
var g = document.createElementNS(d3.ns.prefix.svg, "g"),
identity = {a: 1, b: 0, c: 0, d: 1, e: 0, f: 0};
return (d3.transform = function(string) {
g.setAttribute("transform", string);
var t = g.transform.baseVal.consolidate();
return new d3_transform(t ? t.matrix : identity);
})(string);
};
// Compute x-scale and normalize the first row.
// Compute shear and make second row orthogonal to first.
// Compute y-scale and normalize the second row.
// Finally, compute the rotation.
function d3_transform(m) {
var r0 = [m.a, m.b],
r1 = [m.c, m.d],
kx = d3_transformNormalize(r0),
kz = d3_transformDot(r0, r1),
ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
if (r0[0] * r1[1] < r1[0] * r0[1]) {
r0[0] *= -1;
r0[1] *= -1;
kx *= -1;
kz *= -1;
}
this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_transformDegrees;
this.translate = [m.e, m.f];
this.scale = [kx, ky];
this.skew = ky ? Math.atan2(kz, ky) * d3_transformDegrees : 0;
};
d3_transform.prototype.toString = function() {
return "translate(" + this.translate
+ ")rotate(" + this.rotate
+ ")skewX(" + this.skew
+ ")scale(" + this.scale
+ ")";
};
function d3_transformDot(a, b) {
return a[0] * b[0] + a[1] * b[1];
}
function d3_transformNormalize(a) {
var k = Math.sqrt(d3_transformDot(a, a));
if (k) {
a[0] /= k;
a[1] /= k;
}
return k;
}
function d3_transformCombine(a, b, k) {
a[0] += k * b[0];
a[1] += k * b[1];
return a;
}
var d3_transformDegrees = 180 / Math.PI;
function d3_noop() {}
d3.scale = {};
function d3_scaleExtent(domain) {
var start = domain[0], stop = domain[domain.length - 1];
return start < stop ? [start, stop] : [stop, start];
}
function d3_scaleRange(scale) {
return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
}
function d3_scale_nice(domain, nice) {
var i0 = 0,
i1 = domain.length - 1,
x0 = domain[i0],
x1 = domain[i1],
dx;
if (x1 < x0) {
dx = i0; i0 = i1; i1 = dx;
dx = x0; x0 = x1; x1 = dx;
}
if (dx = x1 - x0) {
nice = nice(dx);
domain[i0] = nice.floor(x0);
domain[i1] = nice.ceil(x1);
}
return domain;
}
function d3_scale_niceDefault() {
return Math;
}
d3.scale.linear = function() {
return d3_scale_linear([0, 1], [0, 1], d3.interpolate, false);
};
function d3_scale_linear(domain, range, interpolate, clamp) {
var output,
input;
function rescale() {
var linear = domain.length == 2 ? d3_scale_bilinear : d3_scale_polylinear,
uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
output = linear(domain, range, uninterpolate, interpolate);
input = linear(range, domain, uninterpolate, d3.interpolate);
return scale;
}
function scale(x) {
return output(x);
}
// Note: requires range is coercible to number!
scale.invert = function(y) {
return input(y);
};
scale.domain = function(x) {
if (!arguments.length) return domain;
domain = x.map(Number);
return rescale();
};
scale.range = function(x) {
if (!arguments.length) return range;
range = x;
return rescale();
};
scale.rangeRound = function(x) {
return scale.range(x).interpolate(d3.interpolateRound);
};
scale.clamp = function(x) {
if (!arguments.length) return clamp;
clamp = x;
return rescale();
};
scale.interpolate = function(x) {
if (!arguments.length) return interpolate;
interpolate = x;
return rescale();
};
scale.ticks = function(m) {
return d3_scale_linearTicks(domain, m);
};
scale.tickFormat = function(m) {
return d3_scale_linearTickFormat(domain, m);
};
scale.nice = function() {
d3_scale_nice(domain, d3_scale_linearNice);
return rescale();
};
scale.copy = function() {
return d3_scale_linear(domain, range, interpolate, clamp);
};
return rescale();
};
function d3_scale_linearRebind(scale, linear) {
return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
}
function d3_scale_linearNice(dx) {
dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1);
return {
floor: function(x) { return Math.floor(x / dx) * dx; },
ceil: function(x) { return Math.ceil(x / dx) * dx; }
};
}
// TODO Dates? Ugh.
function d3_scale_linearTickRange(domain, m) {
var extent = d3_scaleExtent(domain),
span = extent[1] - extent[0],
step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)),
err = m / span * step;
// Filter ticks to get closer to the desired count.
if (err <= .15) step *= 10;
else if (err <= .35) step *= 5;
else if (err <= .75) step *= 2;
// Round start and stop values to step interval.
extent[0] = Math.ceil(extent[0] / step) * step;
extent[1] = Math.floor(extent[1] / step) * step + step * .5; // inclusive
extent[2] = step;
return extent;
}
function d3_scale_linearTicks(domain, m) {
return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
}
function d3_scale_linearTickFormat(domain, m) {
return d3.format(",." + Math.max(0, -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01)) + "f");
}
function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
var u = uninterpolate(domain[0], domain[1]),
i = interpolate(range[0], range[1]);
return function(x) {
return i(u(x));
};
}
function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
var u = [],
i = [],
j = 0,
n = domain.length;
while (++j < n) {
u.push(uninterpolate(domain[j - 1], domain[j]));
i.push(interpolate(range[j - 1], range[j]));
}
return function(x) {
var j = d3.bisect(domain, x, 1, domain.length - 1) - 1;
return i[j](u[j](x));
};
}
d3.scale.log = function() {
return d3_scale_log(d3.scale.linear(), d3_scale_logp);
};
function d3_scale_log(linear, log) {
var pow = log.pow;
function scale(x) {
return linear(log(x));
}
scale.invert = function(x) {
return pow(linear.invert(x));
};
scale.domain = function(x) {
if (!arguments.length) return linear.domain().map(pow);
log = x[0] < 0 ? d3_scale_logn : d3_scale_logp;
pow = log.pow;
linear.domain(x.map(log));
return scale;
};
scale.nice = function() {
linear.domain(d3_scale_nice(linear.domain(), d3_scale_niceDefault));
return scale;
};
scale.ticks = function() {
var extent = d3_scaleExtent(linear.domain()),
ticks = [];
if (extent.every(isFinite)) {
var i = Math.floor(extent[0]),
j = Math.ceil(extent[1]),
u = pow(extent[0]),
v = pow(extent[1]);
if (log === d3_scale_logn) {
ticks.push(pow(i));
for (; i++ < j;) for (var k = 9; k > 0; k--) ticks.push(pow(i) * k);
} else {
for (; i < j; i++) for (var k = 1; k < 10; k++) ticks.push(pow(i) * k);
ticks.push(pow(i));
}
for (i = 0; ticks[i] < u; i++) {} // strip small values
for (j = ticks.length; ticks[j - 1] > v; j--) {} // strip big values
ticks = ticks.slice(i, j);
}
return ticks;
};
scale.tickFormat = function(n, format) {
if (arguments.length < 2) format = d3_scale_logFormat;
if (arguments.length < 1) return format;
var k = n / scale.ticks().length,
f = log === d3_scale_logn ? (e = -1e-12, Math.floor) : (e = 1e-12, Math.ceil),
e;
return function(d) {
return d / pow(f(log(d) + e)) < k ? format(d) : "";
};
};
scale.copy = function() {
return d3_scale_log(linear.copy(), log);
};
return d3_scale_linearRebind(scale, linear);
};
var d3_scale_logFormat = d3.format(".0e");
function d3_scale_logp(x) {
return Math.log(x) / Math.LN10;
}
function d3_scale_logn(x) {
return -Math.log(-x) / Math.LN10;
}
d3_scale_logp.pow = function(x) {
return Math.pow(10, x);
};
d3_scale_logn.pow = function(x) {
return -Math.pow(10, -x);
};
d3.scale.pow = function() {
return d3_scale_pow(d3.scale.linear(), 1);
};
function d3_scale_pow(linear, exponent) {
var powp = d3_scale_powPow(exponent),
powb = d3_scale_powPow(1 / exponent);
function scale(x) {
return linear(powp(x));
}
scale.invert = function(x) {
return powb(linear.invert(x));
};
scale.domain = function(x) {
if (!arguments.length) return linear.domain().map(powb);
linear.domain(x.map(powp));
return scale;
};
scale.ticks = function(m) {
return d3_scale_linearTicks(scale.domain(), m);
};
scale.tickFormat = function(m) {
return d3_scale_linearTickFormat(scale.domain(), m);
};
scale.nice = function() {
return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice));
};
scale.exponent = function(x) {
if (!arguments.length) return exponent;
var domain = scale.domain();
powp = d3_scale_powPow(exponent = x);
powb = d3_scale_powPow(1 / exponent);
return scale.domain(domain);
};
scale.copy = function() {
return d3_scale_pow(linear.copy(), exponent);
};
return d3_scale_linearRebind(scale, linear);
};
function d3_scale_powPow(e) {
return function(x) {
return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
};
}
d3.scale.sqrt = function() {
return d3.scale.pow().exponent(.5);
};
d3.scale.ordinal = function() {
return d3_scale_ordinal([], {t: "range", x: []});
};
function d3_scale_ordinal(domain, ranger) {
var index,
range,
rangeBand;
function scale(x) {
return range[((index[x] || (index[x] = domain.push(x))) - 1) % range.length];
}
function steps(start, step) {
return d3.range(domain.length).map(function(i) { return start + step * i; });
}
scale.domain = function(x) {
if (!arguments.length) return domain;
domain = [];
index = {};
var i = -1, n = x.length, xi;
while (++i < n) if (!index[xi = x[i]]) index[xi] = domain.push(xi);
return scale[ranger.t](ranger.x, ranger.p);
};
scale.range = function(x) {
if (!arguments.length) return range;
range = x;
rangeBand = 0;
ranger = {t: "range", x: x};
return scale;
};
scale.rangePoints = function(x, padding) {
if (arguments.length < 2) padding = 0;
var start = x[0],
stop = x[1],
step = (stop - start) / (domain.length - 1 + padding);
range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
rangeBand = 0;
ranger = {t: "rangePoints", x: x, p: padding};
return scale;
};
scale.rangeBands = function(x, padding) {
if (arguments.length < 2) padding = 0;
var start = x[0],
stop = x[1],
step = (stop - start) / (domain.length + padding);
range = steps(start + step * padding, step);
rangeBand = step * (1 - padding);
ranger = {t: "rangeBands", x: x, p: padding};
return scale;
};
scale.rangeRoundBands = function(x, padding) {
if (arguments.length < 2) padding = 0;
var start = x[0],
stop = x[1],
step = Math.floor((stop - start) / (domain.length + padding));
range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step);
rangeBand = Math.round(step * (1 - padding));
ranger = {t: "rangeRoundBands", x: x, p: padding};
return scale;
};
scale.rangeBand = function() {
return rangeBand;
};
scale.rangeExtent = function() {
return ranger.t === "range" ? d3_scaleExtent(ranger.x) : ranger.x;
};
scale.copy = function() {
return d3_scale_ordinal(domain, ranger);
};
return scale.domain(domain);
};
/*
* This product includes color specifications and designs developed by Cynthia
* Brewer (http://colorbrewer.org/). See lib/colorbrewer for more information.
*/
d3.scale.category10 = function() {
return d3.scale.ordinal().range(d3_category10);
};
d3.scale.category20 = function() {
return d3.scale.ordinal().range(d3_category20);
};
d3.scale.category20b = function() {
return d3.scale.ordinal().range(d3_category20b);
};
d3.scale.category20c = function() {
return d3.scale.ordinal().range(d3_category20c);
};
var d3_category10 = [
"#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd",
"#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf"
];
var d3_category20 = [
"#1f77b4", "#aec7e8",
"#ff7f0e", "#ffbb78",
"#2ca02c", "#98df8a",
"#d62728", "#ff9896",
"#9467bd", "#c5b0d5",
"#8c564b", "#c49c94",
"#e377c2", "#f7b6d2",
"#7f7f7f", "#c7c7c7",
"#bcbd22", "#dbdb8d",
"#17becf", "#9edae5"
];
var d3_category20b = [
"#393b79", "#5254a3", "#6b6ecf", "#9c9ede",
"#637939", "#8ca252", "#b5cf6b", "#cedb9c",
"#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94",
"#843c39", "#ad494a", "#d6616b", "#e7969c",
"#7b4173", "#a55194", "#ce6dbd", "#de9ed6"
];
var d3_category20c = [
"#3182bd", "#6baed6", "#9ecae1", "#c6dbef",
"#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2",
"#31a354", "#74c476", "#a1d99b", "#c7e9c0",
"#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb",
"#636363", "#969696", "#bdbdbd", "#d9d9d9"
];
d3.scale.quantile = function() {
return d3_scale_quantile([], []);
};
function d3_scale_quantile(domain, range) {
var thresholds;
function rescale() {
var k = 0,
n = domain.length,
q = range.length;
thresholds = [];
while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
return scale;
}
function scale(x) {
if (isNaN(x = +x)) return NaN;
return range[d3.bisect(thresholds, x)];
}
scale.domain = function(x) {
if (!arguments.length) return domain;
domain = x.filter(function(d) { return !isNaN(d); }).sort(d3.ascending);
return rescale();
};
scale.range = function(x) {
if (!arguments.length) return range;
range = x;
return rescale();
};
scale.quantiles = function() {
return thresholds;
};
scale.copy = function() {
return d3_scale_quantile(domain, range); // copy on write!
};
return rescale();
};
d3.scale.quantize = function() {
return d3_scale_quantize(0, 1, [0, 1]);
};
function d3_scale_quantize(x0, x1, range) {
var kx, i;
function scale(x) {
return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
}
function rescale() {
kx = range.length / (x1 - x0);
i = range.length - 1;
return scale;
}
scale.domain = function(x) {
if (!arguments.length) return [x0, x1];
x0 = +x[0];
x1 = +x[x.length - 1];
return rescale();
};
scale.range = function(x) {
if (!arguments.length) return range;
range = x;
return rescale();
};
scale.copy = function() {
return d3_scale_quantize(x0, x1, range); // copy on write
};
return rescale();
};
d3.svg = {};
d3.svg.arc = function() {
var innerRadius = d3_svg_arcInnerRadius,
outerRadius = d3_svg_arcOuterRadius,
startAngle = d3_svg_arcStartAngle,
endAngle = d3_svg_arcEndAngle;
function arc() {
var r0 = innerRadius.apply(this, arguments),
r1 = outerRadius.apply(this, arguments),
a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset,
a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset,
da = (a1 < a0 && (da = a0, a0 = a1, a1 = da), a1 - a0),
df = da < Math.PI ? "0" : "1",
c0 = Math.cos(a0),
s0 = Math.sin(a0),
c1 = Math.cos(a1),
s1 = Math.sin(a1);
return da >= d3_svg_arcMax
? (r0
? "M0," + r1
+ "A" + r1 + "," + r1 + " 0 1,1 0," + (-r1)
+ "A" + r1 + "," + r1 + " 0 1,1 0," + r1
+ "M0," + r0
+ "A" + r0 + "," + r0 + " 0 1,0 0," + (-r0)
+ "A" + r0 + "," + r0 + " 0 1,0 0," + r0
+ "Z"
: "M0," + r1
+ "A" + r1 + "," + r1 + " 0 1,1 0," + (-r1)
+ "A" + r1 + "," + r1 + " 0 1,1 0," + r1
+ "Z")
: (r0
? "M" + r1 * c0 + "," + r1 * s0
+ "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1
+ "L" + r0 * c1 + "," + r0 * s1
+ "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0
+ "Z"
: "M" + r1 * c0 + "," + r1 * s0
+ "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1
+ "L0,0"
+ "Z");
}
arc.innerRadius = function(v) {
if (!arguments.length) return innerRadius;
innerRadius = d3.functor(v);
return arc;
};
arc.outerRadius = function(v) {
if (!arguments.length) return outerRadius;
outerRadius = d3.functor(v);
return arc;
};
arc.startAngle = function(v) {
if (!arguments.length) return startAngle;
startAngle = d3.functor(v);
return arc;
};
arc.endAngle = function(v) {
if (!arguments.length) return endAngle;
endAngle = d3.functor(v);
return arc;
};
arc.centroid = function() {
var r = (innerRadius.apply(this, arguments)
+ outerRadius.apply(this, arguments)) / 2,
a = (startAngle.apply(this, arguments)
+ endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
return [Math.cos(a) * r, Math.sin(a) * r];
};
return arc;
};
var d3_svg_arcOffset = -Math.PI / 2,
d3_svg_arcMax = 2 * Math.PI - 1e-6;
function d3_svg_arcInnerRadius(d) {
return d.innerRadius;
}
function d3_svg_arcOuterRadius(d) {
return d.outerRadius;
}
function d3_svg_arcStartAngle(d) {
return d.startAngle;
}
function d3_svg_arcEndAngle(d) {
return d.endAngle;
}
function d3_svg_line(projection) {
var x = d3_svg_lineX,
y = d3_svg_lineY,
interpolate = "linear",
interpolator = d3_svg_lineInterpolators[interpolate],
tension = .7;
function line(d) {
return d.length < 1 ? null : "M" + interpolator(projection(d3_svg_linePoints(this, d, x, y)), tension);
}
line.x = function(v) {
if (!arguments.length) return x;
x = v;
return line;
};
line.y = function(v) {
if (!arguments.length) return y;
y = v;
return line;
};
line.interpolate = function(v) {
if (!arguments.length) return interpolate;
interpolator = d3_svg_lineInterpolators[interpolate = v];
return line;
};
line.tension = function(v) {
if (!arguments.length) return tension;
tension = v;
return line;
};
return line;
}
d3.svg.line = function() {
return d3_svg_line(Object);
};
// Converts the specified array of data into an array of points
// (x-y tuples), by evaluating the specified `x` and `y` functions on each
// data point. The `this` context of the evaluated functions is the specified
// "self" object; each function is passed the current datum and index.
function d3_svg_linePoints(self, d, x, y) {
var points = [],
i = -1,
n = d.length,
fx = typeof x === "function",
fy = typeof y === "function",
value;
if (fx && fy) {
while (++i < n) points.push([
x.call(self, value = d[i], i),
y.call(self, value, i)
]);
} else if (fx) {
while (++i < n) points.push([x.call(self, d[i], i), y]);
} else if (fy) {
while (++i < n) points.push([x, y.call(self, d[i], i)]);
} else {
while (++i < n) points.push([x, y]);
}
return points;
}
// The default `x` property, which references d[0].
function d3_svg_lineX(d) {
return d[0];
}
// The default `y` property, which references d[1].
function d3_svg_lineY(d) {
return d[1];
}
// The various interpolators supported by the `line` class.
var d3_svg_lineInterpolators = {
"linear": d3_svg_lineLinear,
"step-before": d3_svg_lineStepBefore,
"step-after": d3_svg_lineStepAfter,
"basis": d3_svg_lineBasis,
"basis-open": d3_svg_lineBasisOpen,
"basis-closed": d3_svg_lineBasisClosed,
"bundle": d3_svg_lineBundle,
"cardinal": d3_svg_lineCardinal,
"cardinal-open": d3_svg_lineCardinalOpen,
"cardinal-closed": d3_svg_lineCardinalClosed,
"monotone": d3_svg_lineMonotone
};
// Linear interpolation; generates "L" commands.
function d3_svg_lineLinear(points) {
var i = 0,
n = points.length,
p = points[0],
path = [p[0], ",", p[1]];
while (++i < n) path.push("L", (p = points[i])[0], ",", p[1]);
return path.join("");
}
// Step interpolation; generates "H" and "V" commands.
function d3_svg_lineStepBefore(points) {
var i = 0,
n = points.length,
p = points[0],
path = [p[0], ",", p[1]];
while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
return path.join("");
}
// Step interpolation; generates "H" and "V" commands.
function d3_svg_lineStepAfter(points) {
var i = 0,
n = points.length,
p = points[0],
path = [p[0], ",", p[1]];
while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
return path.join("");
}
// Open cardinal spline interpolation; generates "C" commands.
function d3_svg_lineCardinalOpen(points, tension) {
return points.length < 4
? d3_svg_lineLinear(points)
: points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1),
d3_svg_lineCardinalTangents(points, tension));
}
// Closed cardinal spline interpolation; generates "C" commands.
function d3_svg_lineCardinalClosed(points, tension) {
return points.length < 3
? d3_svg_lineLinear(points)
: points[0] + d3_svg_lineHermite((points.push(points[0]), points),
d3_svg_lineCardinalTangents([points[points.length - 2]]
.concat(points, [points[1]]), tension));
}
// Cardinal spline interpolation; generates "C" commands.
function d3_svg_lineCardinal(points, tension, closed) {
return points.length < 3
? d3_svg_lineLinear(points)
: points[0] + d3_svg_lineHermite(points,
d3_svg_lineCardinalTangents(points, tension));
}
// Hermite spline construction; generates "C" commands.
function d3_svg_lineHermite(points, tangents) {
if (tangents.length < 1
|| (points.length != tangents.length
&& points.length != tangents.length + 2)) {
return d3_svg_lineLinear(points);
}
var quad = points.length != tangents.length,
path = "",
p0 = points[0],
p = points[1],
t0 = tangents[0],
t = t0,
pi = 1;
if (quad) {
path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3)
+ "," + p[0] + "," + p[1];
p0 = points[1];
pi = 2;
}
if (tangents.length > 1) {
t = tangents[1];
p = points[pi];
pi++;
path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1])
+ "," + (p[0] - t[0]) + "," + (p[1] - t[1])
+ "," + p[0] + "," + p[1];
for (var i = 2; i < tangents.length; i++, pi++) {
p = points[pi];
t = tangents[i];
path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1])
+ "," + p[0] + "," + p[1];
}
}
if (quad) {
var lp = points[pi];
path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3)
+ "," + lp[0] + "," + lp[1];
}
return path;
}
// Generates tangents for a cardinal spline.
function d3_svg_lineCardinalTangents(points, tension) {
var tangents = [],
a = (1 - tension) / 2,
p0,
p1 = points[0],
p2 = points[1],
i = 1,
n = points.length;
while (++i < n) {
p0 = p1;
p1 = p2;
p2 = points[i];
tangents.push([a * (p2[0] - p0[0]), a * (p2[1] - p0[1])]);
}
return tangents;
}
// B-spline interpolation; generates "C" commands.
function d3_svg_lineBasis(points) {
if (points.length < 3) return d3_svg_lineLinear(points);
var i = 1,
n = points.length,
pi = points[0],
x0 = pi[0],
y0 = pi[1],
px = [x0, x0, x0, (pi = points[1])[0]],
py = [y0, y0, y0, pi[1]],
path = [x0, ",", y0];
d3_svg_lineBasisBezier(path, px, py);
while (++i < n) {
pi = points[i];
px.shift(); px.push(pi[0]);
py.shift(); py.push(pi[1]);
d3_svg_lineBasisBezier(path, px, py);
}
i = -1;
while (++i < 2) {
px.shift(); px.push(pi[0]);
py.shift(); py.push(pi[1]);
d3_svg_lineBasisBezier(path, px, py);
}
return path.join("");
}
// Open B-spline interpolation; generates "C" commands.
function d3_svg_lineBasisOpen(points) {
if (points.length < 4) return d3_svg_lineLinear(points);
var path = [],
i = -1,
n = points.length,
pi,
px = [0],
py = [0];
while (++i < 3) {
pi = points[i];
px.push(pi[0]);
py.push(pi[1]);
}
path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px)
+ "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
--i; while (++i < n) {
pi = points[i];
px.shift(); px.push(pi[0]);
py.shift(); py.push(pi[1]);
d3_svg_lineBasisBezier(path, px, py);
}
return path.join("");
}
// Closed B-spline interpolation; generates "C" commands.
function d3_svg_lineBasisClosed(points) {
var path,
i = -1,
n = points.length,
m = n + 4,
pi,
px = [],
py = [];
while (++i < 4) {
pi = points[i % n];
px.push(pi[0]);
py.push(pi[1]);
}
path = [
d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",",
d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)
];
--i; while (++i < m) {
pi = points[i % n];
px.shift(); px.push(pi[0]);
py.shift(); py.push(pi[1]);
d3_svg_lineBasisBezier(path, px, py);
}
return path.join("");
}
function d3_svg_lineBundle(points, tension) {
var n = points.length - 1,
x0 = points[0][0],
y0 = points[0][1],
dx = points[n][0] - x0,
dy = points[n][1] - y0,
i = -1,
p,
t;
while (++i <= n) {
p = points[i];
t = i / n;
p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
}
return d3_svg_lineBasis(points);
}
// Returns the dot product of the given four-element vectors.
function d3_svg_lineDot4(a, b) {
return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
}
// Matrix to transform basis (b-spline) control points to bezier
// control points. Derived from FvD 11.2.8.
var d3_svg_lineBasisBezier1 = [0, 2/3, 1/3, 0],
d3_svg_lineBasisBezier2 = [0, 1/3, 2/3, 0],
d3_svg_lineBasisBezier3 = [0, 1/6, 2/3, 1/6];
// Pushes a "C" Bézier curve onto the specified path array, given the
// two specified four-element arrays which define the control points.
function d3_svg_lineBasisBezier(path, x, y) {
path.push(
"C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x),
",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y),
",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x),
",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y),
",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x),
",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
}
// Computes the slope from points p0 to p1.
function d3_svg_lineSlope(p0, p1) {
return (p1[1] - p0[1]) / (p1[0] - p0[0]);
}
// Compute three-point differences for the given points.
// http://en.wikipedia.org/wiki/Cubic_Hermite_spline#Finite_difference
function d3_svg_lineFiniteDifferences(points) {
var i = 0,
j = points.length - 1,
m = [],
p0 = points[0],
p1 = points[1],
d = m[0] = d3_svg_lineSlope(p0, p1);
while (++i < j) {
m[i] = d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]));
}
m[i] = d;
return m;
}
// Interpolates the given points using Fritsch-Carlson Monotone cubic Hermite
// interpolation. Returns an array of tangent vectors. For details, see
// http://en.wikipedia.org/wiki/Monotone_cubic_interpolation
function d3_svg_lineMonotoneTangents(points) {
var tangents = [],
d,
a,
b,
s,
m = d3_svg_lineFiniteDifferences(points),
i = -1,
j = points.length - 1;
// The first two steps are done by computing finite-differences:
// 1. Compute the slopes of the secant lines between successive points.
// 2. Initialize the tangents at every point as the average of the secants.
// Then, for each segment…
while (++i < j) {
d = d3_svg_lineSlope(points[i], points[i + 1]);
// 3. If two successive yk = y{k + 1} are equal (i.e., d is zero), then set
// mk = m{k + 1} = 0 as the spline connecting these points must be flat to
// preserve monotonicity. Ignore step 4 and 5 for those k.
if (Math.abs(d) < 1e-6) {
m[i] = m[i + 1] = 0;
} else {
// 4. Let ak = mk / dk and bk = m{k + 1} / dk.
a = m[i] / d;
b = m[i + 1] / d;
// 5. Prevent overshoot and ensure monotonicity by restricting the
// magnitude of vector <ak, bk> to a circle of radius 3.
s = a * a + b * b;
if (s > 9) {
s = d * 3 / Math.sqrt(s);
m[i] = s * a;
m[i + 1] = s * b;
}
}
}
// Compute the normalized tangent vector from the slopes. Note that if x is
// not monotonic, it's possible that the slope will be infinite, so we protect
// against NaN by setting the coordinate to zero.
i = -1; while (++i <= j) {
s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0])
/ (6 * (1 + m[i] * m[i]));
tangents.push([s || 0, m[i] * s || 0]);
}
return tangents;
}
function d3_svg_lineMonotone(points) {
return points.length < 3
? d3_svg_lineLinear(points)
: points[0] +
d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
}
d3.svg.line.radial = function() {
var line = d3_svg_line(d3_svg_lineRadial);
line.radius = line.x, delete line.x;
line.angle = line.y, delete line.y;
return line;
};
function d3_svg_lineRadial(points) {
var point,
i = -1,
n = points.length,
r,
a;
while (++i < n) {
point = points[i];
r = point[0];
a = point[1] + d3_svg_arcOffset;
point[0] = r * Math.cos(a);
point[1] = r * Math.sin(a);
}
return points;
}
function d3_svg_area(projection) {
var x0 = d3_svg_lineX,
x1 = d3_svg_lineX,
y0 = 0,
y1 = d3_svg_lineY,
interpolate,
i0,
i1,
tension = .7;
function area(d) {
if (d.length < 1) return null;
var points0 = d3_svg_linePoints(this, d, x0, y0),
points1 = d3_svg_linePoints(this, d, x0 === x1 ? d3_svg_areaX(points0) : x1, y0 === y1 ? d3_svg_areaY(points0) : y1);
return "M" + i0(projection(points1), tension)
+ "L" + i1(projection(points0.reverse()), tension)
+ "Z";
}
area.x = function(x) {
if (!arguments.length) return x1;
x0 = x1 = x;
return area;
};
area.x0 = function(x) {
if (!arguments.length) return x0;
x0 = x;
return area;
};
area.x1 = function(x) {
if (!arguments.length) return x1;
x1 = x;
return area;
};
area.y = function(y) {
if (!arguments.length) return y1;
y0 = y1 = y;
return area;
};
area.y0 = function(y) {
if (!arguments.length) return y0;
y0 = y;
return area;
};
area.y1 = function(y) {
if (!arguments.length) return y1;
y1 = y;
return area;
};
area.interpolate = function(x) {
if (!arguments.length) return interpolate;
i0 = d3_svg_lineInterpolators[interpolate = x];
i1 = i0.reverse || i0;
return area;
};
area.tension = function(x) {
if (!arguments.length) return tension;
tension = x;
return area;
};
return area.interpolate("linear");
}
d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
d3.svg.area = function() {
return d3_svg_area(Object);
};
function d3_svg_areaX(points) {
return function(d, i) {
return points[i][0];
};
}
function d3_svg_areaY(points) {
return function(d, i) {
return points[i][1];
};
}
d3.svg.area.radial = function() {
var area = d3_svg_area(d3_svg_lineRadial);
area.radius = area.x, delete area.x;
area.innerRadius = area.x0, delete area.x0;
area.outerRadius = area.x1, delete area.x1;
area.angle = area.y, delete area.y;
area.startAngle = area.y0, delete area.y0;
area.endAngle = area.y1, delete area.y1;
return area;
};
d3.svg.chord = function() {
var source = d3_svg_chordSource,
target = d3_svg_chordTarget,
radius = d3_svg_chordRadius,
startAngle = d3_svg_arcStartAngle,
endAngle = d3_svg_arcEndAngle;
// TODO Allow control point to be customized.
function chord(d, i) {
var s = subgroup(this, source, d, i),
t = subgroup(this, target, d, i);
return "M" + s.p0
+ arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t)
? curve(s.r, s.p1, s.r, s.p0)
: curve(s.r, s.p1, t.r, t.p0)
+ arc(t.r, t.p1, t.a1 - t.a0)
+ curve(t.r, t.p1, s.r, s.p0))
+ "Z";
}
function subgroup(self, f, d, i) {
var subgroup = f.call(self, d, i),
r = radius.call(self, subgroup, i),
a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset,
a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset;
return {
r: r,
a0: a0,
a1: a1,
p0: [r * Math.cos(a0), r * Math.sin(a0)],
p1: [r * Math.cos(a1), r * Math.sin(a1)]
};
}
function equals(a, b) {
return a.a0 == b.a0 && a.a1 == b.a1;
}
function arc(r, p, a) {
return "A" + r + "," + r + " 0 " + +(a > Math.PI) + ",1 " + p;
}
function curve(r0, p0, r1, p1) {
return "Q 0,0 " + p1;
}
chord.radius = function(v) {
if (!arguments.length) return radius;
radius = d3.functor(v);
return chord;
};
chord.source = function(v) {
if (!arguments.length) return source;
source = d3.functor(v);
return chord;
};
chord.target = function(v) {
if (!arguments.length) return target;
target = d3.functor(v);
return chord;
};
chord.startAngle = function(v) {
if (!arguments.length) return startAngle;
startAngle = d3.functor(v);
return chord;
};
chord.endAngle = function(v) {
if (!arguments.length) return endAngle;
endAngle = d3.functor(v);
return chord;
};
return chord;
};
function d3_svg_chordSource(d) {
return d.source;
}
function d3_svg_chordTarget(d) {
return d.target;
}
function d3_svg_chordRadius(d) {
return d.radius;
}
function d3_svg_chordStartAngle(d) {
return d.startAngle;
}
function d3_svg_chordEndAngle(d) {
return d.endAngle;
}
d3.svg.diagonal = function() {
var source = d3_svg_chordSource,
target = d3_svg_chordTarget,
projection = d3_svg_diagonalProjection;
function diagonal(d, i) {
var p0 = source.call(this, d, i),
p3 = target.call(this, d, i),
m = (p0.y + p3.y) / 2,
p = [p0, {x: p0.x, y: m}, {x: p3.x, y: m}, p3];
p = p.map(projection);
return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
}
diagonal.source = function(x) {
if (!arguments.length) return source;
source = d3.functor(x);
return diagonal;
};
diagonal.target = function(x) {
if (!arguments.length) return target;
target = d3.functor(x);
return diagonal;
};
diagonal.projection = function(x) {
if (!arguments.length) return projection;
projection = x;
return diagonal;
};
return diagonal;
};
function d3_svg_diagonalProjection(d) {
return [d.x, d.y];
}
d3.svg.diagonal.radial = function() {
var diagonal = d3.svg.diagonal(),
projection = d3_svg_diagonalProjection,
projection_ = diagonal.projection;
diagonal.projection = function(x) {
return arguments.length
? projection_(d3_svg_diagonalRadialProjection(projection = x))
: projection;
};
return diagonal;
};
function d3_svg_diagonalRadialProjection(projection) {
return function() {
var d = projection.apply(this, arguments),
r = d[0],
a = d[1] + d3_svg_arcOffset;
return [r * Math.cos(a), r * Math.sin(a)];
};
}
d3.svg.mouse = function(container) {
return d3_svg_mousePoint(container, d3.event);
};
// https://bugs.webkit.org/show_bug.cgi?id=44083
var d3_mouse_bug44083 = /WebKit/.test(navigator.userAgent) ? -1 : 0;
function d3_svg_mousePoint(container, e) {
var point = (container.ownerSVGElement || container).createSVGPoint();
if ((d3_mouse_bug44083 < 0) && (window.scrollX || window.scrollY)) {
var svg = d3.select(document.body)
.append("svg")
.style("position", "absolute")
.style("top", 0)
.style("left", 0);
var ctm = svg[0][0].getScreenCTM();
d3_mouse_bug44083 = !(ctm.f || ctm.e);
svg.remove();
}
if (d3_mouse_bug44083) {
point.x = e.pageX;
point.y = e.pageY;
} else {
point.x = e.clientX;
point.y = e.clientY;
}
point = point.matrixTransform(container.getScreenCTM().inverse());
return [point.x, point.y];
};
d3.svg.touches = function(container, touches) {
if (arguments.length < 2) touches = d3.event.touches;
return touches ? d3_array(touches).map(function(touch) {
var point = d3_svg_mousePoint(container, touch);
point.identifier = touch.identifier;
return point;
}) : [];
};
d3.svg.symbol = function() {
var type = d3_svg_symbolType,
size = d3_svg_symbolSize;
function symbol(d, i) {
return (d3_svg_symbols[type.call(this, d, i)]
|| d3_svg_symbols.circle)
(size.call(this, d, i));
}
symbol.type = function(x) {
if (!arguments.length) return type;
type = d3.functor(x);
return symbol;
};
// size of symbol in square pixels
symbol.size = function(x) {
if (!arguments.length) return size;
size = d3.functor(x);
return symbol;
};
return symbol;
};
function d3_svg_symbolSize() {
return 64;
}
function d3_svg_symbolType() {
return "circle";
}
// TODO cross-diagonal?
var d3_svg_symbols = {
"circle": function(size) {
var r = Math.sqrt(size / Math.PI);
return "M0," + r
+ "A" + r + "," + r + " 0 1,1 0," + (-r)
+ "A" + r + "," + r + " 0 1,1 0," + r
+ "Z";
},
"cross": function(size) {
var r = Math.sqrt(size / 5) / 2;
return "M" + -3 * r + "," + -r
+ "H" + -r
+ "V" + -3 * r
+ "H" + r
+ "V" + -r
+ "H" + 3 * r
+ "V" + r
+ "H" + r
+ "V" + 3 * r
+ "H" + -r
+ "V" + r
+ "H" + -3 * r
+ "Z";
},
"diamond": function(size) {
var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)),
rx = ry * d3_svg_symbolTan30;
return "M0," + -ry
+ "L" + rx + ",0"
+ " 0," + ry
+ " " + -rx + ",0"
+ "Z";
},
"square": function(size) {
var r = Math.sqrt(size) / 2;
return "M" + -r + "," + -r
+ "L" + r + "," + -r
+ " " + r + "," + r
+ " " + -r + "," + r
+ "Z";
},
"triangle-down": function(size) {
var rx = Math.sqrt(size / d3_svg_symbolSqrt3),
ry = rx * d3_svg_symbolSqrt3 / 2;
return "M0," + ry
+ "L" + rx +"," + -ry
+ " " + -rx + "," + -ry
+ "Z";
},
"triangle-up": function(size) {
var rx = Math.sqrt(size / d3_svg_symbolSqrt3),
ry = rx * d3_svg_symbolSqrt3 / 2;
return "M0," + -ry
+ "L" + rx +"," + ry
+ " " + -rx + "," + ry
+ "Z";
}
};
d3.svg.symbolTypes = d3.keys(d3_svg_symbols);
var d3_svg_symbolSqrt3 = Math.sqrt(3),
d3_svg_symbolTan30 = Math.tan(30 * Math.PI / 180);
d3.svg.axis = function() {
var scale = d3.scale.linear(),
orient = "bottom",
tickMajorSize = 6,
tickMinorSize = 6,
tickEndSize = 6,
tickPadding = 3,
tickArguments_ = [10],
tickFormat_,
tickSubdivide = 0;
function axis(selection) {
selection.each(function(d, i, j) {
var g = d3.select(this);
// If selection is a transition, create subtransitions.
var transition = selection.delay ? function(o) {
var id = d3_transitionInheritId;
try {
d3_transitionInheritId = selection.id;
return o.transition()
.delay(selection[j][i].delay)
.duration(selection[j][i].duration)
.ease(selection.ease());
} finally {
d3_transitionInheritId = id;
}
} : Object;
// Ticks, or domain values for ordinal scales.
var ticks = scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain(),
tickFormat = tickFormat_ == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String) : tickFormat_;
// Minor ticks.
var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide),
subtick = g.selectAll(".minor").data(subticks, String),
subtickEnter = subtick.enter().insert("line", "g").attr("class", "tick minor").style("opacity", 1e-6),
subtickExit = transition(subtick.exit()).style("opacity", 1e-6).remove(),
subtickUpdate = transition(subtick).style("opacity", 1);
// Major ticks.
var tick = g.selectAll("g").data(ticks, String),
tickEnter = tick.enter().insert("g", "path").style("opacity", 1e-6),
tickExit = transition(tick.exit()).style("opacity", 1e-6).remove(),
tickUpdate = transition(tick).style("opacity", 1),
tickTransform;
// Domain.
var range = d3_scaleRange(scale),
path = g.selectAll(".domain").data([0]),
pathEnter = path.enter().append("path").attr("class", "domain"),
pathUpdate = transition(path);
// Stash a snapshot of the new scale, and retrieve the old snapshot.
var scale1 = scale.copy(),
scale0 = this.__chart__ || scale1;
this.__chart__ = scale1;
tickEnter.append("line").attr("class", "tick");
tickEnter.append("text");
tickUpdate.select("text").text(tickFormat);
switch (orient) {
case "bottom": {
tickTransform = d3_svg_axisX;
subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
tickUpdate.select("line").attr("x2", 0).attr("y2", tickMajorSize);
tickUpdate.select("text").attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding).attr("dy", ".71em").attr("text-anchor", "middle");
pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
break;
}
case "top": {
tickTransform = d3_svg_axisX;
subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize);
tickUpdate.select("line").attr("x2", 0).attr("y2", -tickMajorSize);
tickUpdate.select("text").attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("dy", "0em").attr("text-anchor", "middle");
pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize);
break;
}
case "left": {
tickTransform = d3_svg_axisY;
subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0);
tickUpdate.select("line").attr("x2", -tickMajorSize).attr("y2", 0);
tickUpdate.select("text").attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0).attr("dy", ".32em").attr("text-anchor", "end");
pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
break;
}
case "right": {
tickTransform = d3_svg_axisY;
subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0);
tickUpdate.select("line").attr("x2", tickMajorSize).attr("y2", 0);
tickUpdate.select("text").attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0).attr("dy", ".32em").attr("text-anchor", "start");
pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize);
break;
}
}
// For quantitative scales:
// - enter new ticks from the old scale
// - exit old ticks to the new scale
if (scale.ticks) {
tickEnter.call(tickTransform, scale0);
tickUpdate.call(tickTransform, scale1);
tickExit.call(tickTransform, scale1);
subtickEnter.call(tickTransform, scale0);
subtickUpdate.call(tickTransform, scale1);
subtickExit.call(tickTransform, scale1);
}
// For ordinal scales:
// - any entering ticks are undefined in the old scale
// - any exiting ticks are undefined in the new scale
// Therefore, we only need to transition updating ticks.
else {
var dx = scale1.rangeBand() / 2, x = function(d) { return scale1(d) + dx; };
tickEnter.call(tickTransform, x);
tickUpdate.call(tickTransform, x);
}
});
}
axis.scale = function(x) {
if (!arguments.length) return scale;
scale = x;
return axis;
};
axis.orient = function(x) {
if (!arguments.length) return orient;
orient = x;
return axis;
};
axis.ticks = function() {
if (!arguments.length) return tickArguments_;
tickArguments_ = arguments;
return axis;
};
axis.tickFormat = function(x) {
if (!arguments.length) return tickFormat_;
tickFormat_ = x;
return axis;
};
axis.tickSize = function(x, y, z) {
if (!arguments.length) return tickMajorSize;
var n = arguments.length - 1;
tickMajorSize = +x;
tickMinorSize = n > 1 ? +y : tickMajorSize;
tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
return axis;
};
axis.tickPadding = function(x) {
if (!arguments.length) return tickPadding;
tickPadding = +x;
return axis;
};
axis.tickSubdivide = function(x) {
if (!arguments.length) return tickSubdivide;
tickSubdivide = +x;
return axis;
};
return axis;
};
function d3_svg_axisX(selection, x) {
selection.attr("transform", function(d) { return "translate(" + x(d) + ",0)"; });
}
function d3_svg_axisY(selection, y) {
selection.attr("transform", function(d) { return "translate(0," + y(d) + ")"; });
}
function d3_svg_axisSubdivide(scale, ticks, m) {
subticks = [];
if (m && ticks.length > 1) {
var extent = d3_scaleExtent(scale.domain()),
subticks,
i = -1,
n = ticks.length,
d = (ticks[1] - ticks[0]) / ++m,
j,
v;
while (++i < n) {
for (j = m; --j > 0;) {
if ((v = +ticks[i] - j * d) >= extent[0]) {
subticks.push(v);
}
}
}
for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1];) {
subticks.push(v);
}
}
return subticks;
}
d3.svg.brush = function() {
var event = d3.dispatch("brushstart", "brush", "brushend"),
x, // x-scale, optional
y, // y-scale, optional
extent = [[0, 0], [0, 0]]; // [x0, y0], [x1, y1]
function brush(g) {
var resizes = x && y ? ["n", "e", "s", "w", "nw", "ne", "se", "sw"]
: x ? ["e", "w"]
: y ? ["n", "s"]
: [];
g.each(function() {
var g = d3.select(this).on("mousedown.brush", down),
bg = g.selectAll(".background").data([,]),
fg = g.selectAll(".extent").data([,]),
tz = g.selectAll(".resize").data(resizes, String),
e;
// An invisible, mouseable area for starting a new brush.
bg.enter().append("rect")
.attr("class", "background")
.style("visibility", "hidden")
.style("pointer-events", "all")
.style("cursor", "crosshair");
// The visible brush extent; style this as you like!
fg.enter().append("rect")
.attr("class", "extent")
.style("cursor", "move");
// More invisible rects for resizing the extent.
tz.enter().append("rect")
.attr("class", function(d) { return "resize " + d; })
.attr("width", 6)
.attr("height", 6)
.style("visibility", "hidden")
.style("pointer-events", brush.empty() ? "none" : "all")
.style("cursor", function(d) { return d3_svg_brushCursor[d]; });
// Remove any superfluous resizers.
tz.exit().remove();
// Initialize the background to fill the defined range.
// If the range isn't defined, you can post-process.
if (x) {
e = d3_scaleRange(x);
bg.attr("x", e[0]).attr("width", e[1] - e[0]);
d3_svg_brushRedrawX(g, extent);
}
if (y) {
e = d3_scaleRange(y);
bg.attr("y", e[0]).attr("height", e[1] - e[0]);
d3_svg_brushRedrawY(g, extent);
}
});
}
function down() {
var target = d3.select(d3.event.target);
// Store some global state for the duration of the brush gesture.
d3_svg_brush = brush;
d3_svg_brushTarget = this;
d3_svg_brushExtent = extent;
d3_svg_brushOffset = d3.svg.mouse(d3_svg_brushTarget);
// If the extent was clicked on, drag rather than brush;
// store the offset between the mouse and extent origin instead.
if (d3_svg_brushDrag = target.classed("extent")) {
d3_svg_brushOffset[0] = extent[0][0] - d3_svg_brushOffset[0];
d3_svg_brushOffset[1] = extent[0][1] - d3_svg_brushOffset[1];
}
// If a resizer was clicked on, record which side is to be resized.
// Also, set the offset to the opposite side.
else if (target.classed("resize")) {
d3_svg_brushResize = d3.event.target.__data__;
d3_svg_brushOffset[0] = extent[+/w$/.test(d3_svg_brushResize)][0];
d3_svg_brushOffset[1] = extent[+/^n/.test(d3_svg_brushResize)][1];
}
// If the ALT key is down when starting a brush, the center is at the mouse.
else if (d3.event.altKey) {
d3_svg_brushCenter = d3_svg_brushOffset.slice();
}
// Restrict which dimensions are resized.
d3_svg_brushX = !/^(n|s)$/.test(d3_svg_brushResize) && x;
d3_svg_brushY = !/^(e|w)$/.test(d3_svg_brushResize) && y;
// Notify listeners.
d3_svg_brushDispatch = dispatcher(this, arguments);
d3_svg_brushDispatch("brushstart");
d3_svg_brushMove();
d3_eventCancel();
}
function dispatcher(that, argumentz) {
return function(type) {
var e = d3.event;
try {
d3.event = {type: type, target: brush};
event[type].apply(that, argumentz);
} finally {
d3.event = e;
}
};
}
brush.x = function(z) {
if (!arguments.length) return x;
x = z;
return brush;
};
brush.y = function(z) {
if (!arguments.length) return y;
y = z;
return brush;
};
brush.extent = function(z) {
var x0, x1, y0, y1, t;
// Invert the pixel extent to data-space.
if (!arguments.length) {
if (x) {
x0 = extent[0][0], x1 = extent[1][0];
if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
if (x1 < x0) t = x0, x0 = x1, x1 = t;
}
if (y) {
y0 = extent[0][1], y1 = extent[1][1];
if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
if (y1 < y0) t = y0, y0 = y1, y1 = t;
}
return x && y ? [[x0, y0], [x1, y1]] : x ? [x0, x1] : y && [y0, y1];
}
// Scale the data-space extent to pixels.
if (x) {
x0 = z[0], x1 = z[1];
if (y) x0 = x0[0], x1 = x1[0];
if (x.invert) x0 = x(x0), x1 = x(x1);
if (x1 < x0) t = x0, x0 = x1, x1 = t;
extent[0][0] = x0, extent[1][0] = x1;
}
if (y) {
y0 = z[0], y1 = z[1];
if (x) y0 = y0[1], y1 = y1[1];
if (y.invert) y0 = y(y0), y1 = y(y1);
if (y1 < y0) t = y0, y0 = y1, y1 = t;
extent[0][1] = y0, extent[1][1] = y1;
}
return brush;
};
brush.clear = function() {
extent[0][0] =
extent[0][1] =
extent[1][0] =
extent[1][1] = 0;
return brush;
};
brush.empty = function() {
return (x && extent[0][0] === extent[1][0])
|| (y && extent[0][1] === extent[1][1]);
};
d3.select(window)
.on("mousemove.brush", d3_svg_brushMove)
.on("mouseup.brush", d3_svg_brushUp)
.on("keydown.brush", d3_svg_brushKeydown)
.on("keyup.brush", d3_svg_brushKeyup);
return d3.rebind(brush, event, "on");
};
var d3_svg_brush,
d3_svg_brushDispatch,
d3_svg_brushTarget,
d3_svg_brushX,
d3_svg_brushY,
d3_svg_brushExtent,
d3_svg_brushDrag,
d3_svg_brushResize,
d3_svg_brushCenter,
d3_svg_brushOffset;
function d3_svg_brushRedrawX(g, extent) {
g.select(".extent").attr("x", extent[0][0]);
g.selectAll(".n,.s,.w,.nw,.sw").attr("x", extent[0][0] - 2);
g.selectAll(".e,.ne,.se").attr("x", extent[1][0] - 3);
g.selectAll(".extent,.n,.s").attr("width", extent[1][0] - extent[0][0]);
}
function d3_svg_brushRedrawY(g, extent) {
g.select(".extent").attr("y", extent[0][1]);
g.selectAll(".n,.e,.w,.nw,.ne").attr("y", extent[0][1] - 3);
g.selectAll(".s,.se,.sw").attr("y", extent[1][1] - 4);
g.selectAll(".extent,.e,.w").attr("height", extent[1][1] - extent[0][1]);
}
function d3_svg_brushKeydown() {
if (d3.event.keyCode == 32 && d3_svg_brushTarget && !d3_svg_brushDrag) {
d3_svg_brushCenter = null;
d3_svg_brushOffset[0] -= d3_svg_brushExtent[1][0];
d3_svg_brushOffset[1] -= d3_svg_brushExtent[1][1];
d3_svg_brushDrag = 2;
d3_eventCancel();
}
}
function d3_svg_brushKeyup() {
if (d3.event.keyCode == 32 && d3_svg_brushDrag == 2) {
d3_svg_brushOffset[0] += d3_svg_brushExtent[1][0];
d3_svg_brushOffset[1] += d3_svg_brushExtent[1][1];
d3_svg_brushDrag = 0;
d3_eventCancel();
}
}
function d3_svg_brushMove() {
if (d3_svg_brushOffset) {
var mouse = d3.svg.mouse(d3_svg_brushTarget),
g = d3.select(d3_svg_brushTarget);
if (!d3_svg_brushDrag) {
// If needed, determine the center from the current extent.
if (d3.event.altKey) {
if (!d3_svg_brushCenter) {
d3_svg_brushCenter = [
(d3_svg_brushExtent[0][0] + d3_svg_brushExtent[1][0]) / 2,
(d3_svg_brushExtent[0][1] + d3_svg_brushExtent[1][1]) / 2
];
}
// Update the offset, for when the ALT key is released.
d3_svg_brushOffset[0] = d3_svg_brushExtent[+(mouse[0] < d3_svg_brushCenter[0])][0];
d3_svg_brushOffset[1] = d3_svg_brushExtent[+(mouse[1] < d3_svg_brushCenter[1])][1];
}
// When the ALT key is released, we clear the center.
else d3_svg_brushCenter = null;
}
// Update the brush extent for each dimension.
if (d3_svg_brushX) {
d3_svg_brushMove1(mouse, d3_svg_brushX, 0);
d3_svg_brushRedrawX(g, d3_svg_brushExtent);
}
if (d3_svg_brushY) {
d3_svg_brushMove1(mouse, d3_svg_brushY, 1);
d3_svg_brushRedrawY(g, d3_svg_brushExtent);
}
// Notify listeners.
d3_svg_brushDispatch("brush");
}
}
function d3_svg_brushMove1(mouse, scale, i) {
var range = d3_scaleRange(scale),
r0 = range[0],
r1 = range[1],
offset = d3_svg_brushOffset[i],
size = d3_svg_brushExtent[1][i] - d3_svg_brushExtent[0][i],
min,
max;
// When dragging, reduce the range by the extent size and offset.
if (d3_svg_brushDrag) {
r0 -= offset;
r1 -= size + offset;
}
// Clamp the mouse so that the extent fits within the range extent.
min = Math.max(r0, Math.min(r1, mouse[i]));
// Compute the new extent bounds.
if (d3_svg_brushDrag) {
max = (min += offset) + size;
} else {
// If the ALT key is pressed, then preserve the center of the extent.
if (d3_svg_brushCenter) offset = Math.max(r0, Math.min(r1, 2 * d3_svg_brushCenter[i] - min));
// Compute the min and max of the offset and mouse.
if (offset < min) {
max = min;
min = offset;
} else {
max = offset;
}
}
// Update the stored bounds.
d3_svg_brushExtent[0][i] = min;
d3_svg_brushExtent[1][i] = max;
}
function d3_svg_brushUp() {
if (d3_svg_brushOffset) {
d3_svg_brushMove();
d3.select(d3_svg_brushTarget).selectAll(".resize").style("pointer-events", d3_svg_brush.empty() ? "none" : "all");
d3_svg_brushDispatch("brushend");
d3_svg_brush =
d3_svg_brushDispatch =
d3_svg_brushTarget =
d3_svg_brushX =
d3_svg_brushY =
d3_svg_brushExtent =
d3_svg_brushDrag =
d3_svg_brushResize =
d3_svg_brushCenter =
d3_svg_brushOffset = null;
d3_eventCancel();
}
}
var d3_svg_brushCursor = {
n: "ns-resize",
e: "ew-resize",
s: "ns-resize",
w: "ew-resize",
nw: "nwse-resize",
ne: "nesw-resize",
se: "nwse-resize",
sw: "nesw-resize"
};
d3.behavior = {};
// TODO Track touch points by identifier.
d3.behavior.drag = function() {
var event = d3.dispatch("drag", "dragstart", "dragend"),
origin = null;
function drag() {
this
.on("mousedown.drag", mousedown)
.on("touchstart.drag", mousedown);
d3.select(window)
.on("mousemove.drag", d3_behavior_dragMove)
.on("touchmove.drag", d3_behavior_dragMove)
.on("mouseup.drag", d3_behavior_dragUp, true)
.on("touchend.drag", d3_behavior_dragUp, true)
.on("click.drag", d3_behavior_dragClick, true);
}
// snapshot the local context for subsequent dispatch
function start() {
d3_behavior_dragEvent = event;
d3_behavior_dragEventTarget = d3.event.target;
d3_behavior_dragTarget = this;
d3_behavior_dragArguments = arguments;
d3_behavior_dragOrigin = d3_behavior_dragPoint();
if (origin) {
d3_behavior_dragOffset = origin.apply(d3_behavior_dragTarget, d3_behavior_dragArguments);
d3_behavior_dragOffset = [d3_behavior_dragOffset.x - d3_behavior_dragOrigin[0], d3_behavior_dragOffset.y - d3_behavior_dragOrigin[1]];
} else {
d3_behavior_dragOffset = [0, 0];
}
d3_behavior_dragMoved = 0;
}
function mousedown() {
start.apply(this, arguments);
d3_behavior_dragDispatch("dragstart");
}
drag.origin = function(x) {
if (!arguments.length) return origin;
origin = x;
return drag;
};
return d3.rebind(drag, event, "on");
};
var d3_behavior_dragEvent,
d3_behavior_dragEventTarget,
d3_behavior_dragTarget,
d3_behavior_dragArguments,
d3_behavior_dragOffset,
d3_behavior_dragOrigin,
d3_behavior_dragMoved;
function d3_behavior_dragDispatch(type) {
var p = d3_behavior_dragPoint(),
o = d3.event,
e = d3.event = {type: type};
if (p) {
e.x = p[0] + d3_behavior_dragOffset[0];
e.y = p[1] + d3_behavior_dragOffset[1];
e.dx = p[0] - d3_behavior_dragOrigin[0];
e.dy = p[1] - d3_behavior_dragOrigin[1];
d3_behavior_dragMoved |= e.dx | e.dy;
d3_behavior_dragOrigin = p;
}
try {
d3_behavior_dragEvent[type].apply(d3_behavior_dragTarget, d3_behavior_dragArguments);
} finally {
d3.event = o;
}
o.stopPropagation();
o.preventDefault();
}
function d3_behavior_dragPoint() {
var p = d3_behavior_dragTarget.parentNode,
t = d3.event.changedTouches;
return p && (t
? d3.svg.touches(p, t)[0]
: d3.svg.mouse(p));
}
function d3_behavior_dragMove() {
if (!d3_behavior_dragTarget) return;
var parent = d3_behavior_dragTarget.parentNode;
// O NOES! The drag element was removed from the DOM.
if (!parent) return d3_behavior_dragUp();
d3_behavior_dragDispatch("drag");
d3_eventCancel();
}
function d3_behavior_dragUp() {
if (!d3_behavior_dragTarget) return;
d3_behavior_dragDispatch("dragend");
// If the node was moved, prevent the mouseup from propagating.
// Also prevent the subsequent click from propagating (e.g., for anchors).
if (d3_behavior_dragMoved) {
d3_eventCancel();
d3_behavior_dragMoved = d3.event.target === d3_behavior_dragEventTarget;
}
d3_behavior_dragEvent =
d3_behavior_dragEventTarget =
d3_behavior_dragTarget =
d3_behavior_dragArguments =
d3_behavior_dragOffset =
d3_behavior_dragOrigin = null;
}
function d3_behavior_dragClick() {
if (d3_behavior_dragMoved) {
d3_eventCancel();
d3_behavior_dragMoved = 0;
}
}
// TODO unbind zoom behavior?
d3.behavior.zoom = function() {
var xyz = [0, 0, 0],
event = d3.dispatch("zoom"),
extent = d3_behavior_zoomInfiniteExtent;
function zoom() {
this
.on("mousedown.zoom", mousedown)
.on("mousewheel.zoom", mousewheel)
.on("DOMMouseScroll.zoom", mousewheel)
.on("dblclick.zoom", dblclick)
.on("touchstart.zoom", touchstart);
d3.select(window)
.on("mousemove.zoom", d3_behavior_zoomMousemove)
.on("mouseup.zoom", d3_behavior_zoomMouseup)
.on("touchmove.zoom", d3_behavior_zoomTouchmove)
.on("touchend.zoom", d3_behavior_zoomTouchup)
.on("click.zoom", d3_behavior_zoomClick, true);
}
// snapshot the local context for subsequent dispatch
function start() {
d3_behavior_zoomXyz = xyz;
d3_behavior_zoomExtent = extent;
d3_behavior_zoomDispatch = event.zoom;
d3_behavior_zoomEventTarget = d3.event.target;
d3_behavior_zoomTarget = this;
d3_behavior_zoomArguments = arguments;
}
function mousedown() {
start.apply(this, arguments);
d3_behavior_zoomPanning = d3_behavior_zoomLocation(d3.svg.mouse(d3_behavior_zoomTarget));
d3_behavior_zoomMoved = 0;
d3.event.preventDefault();
window.focus();
}
// store starting mouse location
function mousewheel() {
start.apply(this, arguments);
if (!d3_behavior_zoomZooming) d3_behavior_zoomZooming = d3_behavior_zoomLocation(d3.svg.mouse(d3_behavior_zoomTarget));
d3_behavior_zoomTo(d3_behavior_zoomDelta() + xyz[2], d3.svg.mouse(d3_behavior_zoomTarget), d3_behavior_zoomZooming);
}
function dblclick() {
start.apply(this, arguments);
var mouse = d3.svg.mouse(d3_behavior_zoomTarget);
d3_behavior_zoomTo(d3.event.shiftKey ? Math.ceil(xyz[2] - 1) : Math.floor(xyz[2] + 1), mouse, d3_behavior_zoomLocation(mouse));
}
// doubletap detection
function touchstart() {
start.apply(this, arguments);
var touches = d3_behavior_zoomTouchup(),
touch,
now = Date.now();
if ((touches.length === 1) && (now - d3_behavior_zoomLast < 300)) {
d3_behavior_zoomTo(1 + Math.floor(xyz[2]), touch = touches[0], d3_behavior_zoomLocations[touch.identifier]);
}
d3_behavior_zoomLast = now;
}
zoom.extent = function(x) {
if (!arguments.length) return extent;
extent = x == null ? d3_behavior_zoomInfiniteExtent : x;
return zoom;
};
return d3.rebind(zoom, event, "on");
};
var d3_behavior_zoomDiv,
d3_behavior_zoomPanning,
d3_behavior_zoomZooming,
d3_behavior_zoomLocations = {}, // identifier -> location
d3_behavior_zoomLast = 0,
d3_behavior_zoomXyz,
d3_behavior_zoomExtent,
d3_behavior_zoomDispatch,
d3_behavior_zoomEventTarget,
d3_behavior_zoomTarget,
d3_behavior_zoomArguments,
d3_behavior_zoomMoved;
function d3_behavior_zoomLocation(point) {
return [
point[0] - d3_behavior_zoomXyz[0],
point[1] - d3_behavior_zoomXyz[1],
d3_behavior_zoomXyz[2]
];
}
// detect the pixels that would be scrolled by this wheel event
function d3_behavior_zoomDelta() {
// mousewheel events are totally broken!
// https://bugs.webkit.org/show_bug.cgi?id=40441
// not only that, but Chrome and Safari differ in re. to acceleration!
if (!d3_behavior_zoomDiv) {
d3_behavior_zoomDiv = d3.select("body").append("div")
.style("visibility", "hidden")
.style("top", 0)
.style("height", 0)
.style("width", 0)
.style("overflow-y", "scroll")
.append("div")
.style("height", "2000px")
.node().parentNode;
}
var e = d3.event, delta;
try {
d3_behavior_zoomDiv.scrollTop = 1000;
d3_behavior_zoomDiv.dispatchEvent(e);
delta = 1000 - d3_behavior_zoomDiv.scrollTop;
} catch (error) {
delta = e.wheelDelta || (-e.detail * 5);
}
return delta * .005;
}
// Note: Since we don't rotate, it's possible for the touches to become
// slightly detached from their original positions. Thus, we recompute the
// touch points on touchend as well as touchstart!
function d3_behavior_zoomTouchup() {
var touches = d3.svg.touches(d3_behavior_zoomTarget),
i = -1,
n = touches.length,
touch;
while (++i < n) d3_behavior_zoomLocations[(touch = touches[i]).identifier] = d3_behavior_zoomLocation(touch);
return touches;
}
function d3_behavior_zoomTouchmove() {
var touches = d3.svg.touches(d3_behavior_zoomTarget);
switch (touches.length) {
// single-touch pan
case 1: {
var touch = touches[0];
d3_behavior_zoomTo(d3_behavior_zoomXyz[2], touch, d3_behavior_zoomLocations[touch.identifier]);
break;
}
// double-touch pan + zoom
case 2: {
var p0 = touches[0],
p1 = touches[1],
p2 = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2],
l0 = d3_behavior_zoomLocations[p0.identifier],
l1 = d3_behavior_zoomLocations[p1.identifier],
l2 = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2, l0[2]];
d3_behavior_zoomTo(Math.log(d3.event.scale) / Math.LN2 + l0[2], p2, l2);
break;
}
}
}
function d3_behavior_zoomMousemove() {
d3_behavior_zoomZooming = null;
if (d3_behavior_zoomPanning) {
d3_behavior_zoomMoved = 1;
d3_behavior_zoomTo(d3_behavior_zoomXyz[2], d3.svg.mouse(d3_behavior_zoomTarget), d3_behavior_zoomPanning);
}
}
function d3_behavior_zoomMouseup() {
if (d3_behavior_zoomPanning) {
if (d3_behavior_zoomMoved) {
d3_eventCancel();
d3_behavior_zoomMoved = d3_behavior_zoomEventTarget === d3.event.target;
}
d3_behavior_zoomXyz =
d3_behavior_zoomExtent =
d3_behavior_zoomDispatch =
d3_behavior_zoomEventTarget =
d3_behavior_zoomTarget =
d3_behavior_zoomArguments =
d3_behavior_zoomPanning = null;
}
}
function d3_behavior_zoomClick() {
if (d3_behavior_zoomMoved) {
d3_eventCancel();
d3_behavior_zoomMoved = 0;
}
}
function d3_behavior_zoomTo(z, x0, x1) {
z = d3_behavior_zoomExtentClamp(z, 2);
var j = Math.pow(2, d3_behavior_zoomXyz[2]),
k = Math.pow(2, z),
K = Math.pow(2, (d3_behavior_zoomXyz[2] = z) - x1[2]),
x_ = d3_behavior_zoomXyz[0],
y_ = d3_behavior_zoomXyz[1],
x = d3_behavior_zoomXyz[0] = d3_behavior_zoomExtentClamp((x0[0] - x1[0] * K), 0, k),
y = d3_behavior_zoomXyz[1] = d3_behavior_zoomExtentClamp((x0[1] - x1[1] * K), 1, k),
o = d3.event; // Events can be reentrant (e.g., focus).
d3.event = {
scale: k,
translate: [x, y],
transform: function(sx, sy) {
if (sx) transform(sx, x_, x);
if (sy) transform(sy, y_, y);
}
};
function transform(scale, a, b) {
scale.domain(scale.range().map(function(v) { return scale.invert(((v - b) * j) / k + a); }));
}
try {
d3_behavior_zoomDispatch.apply(d3_behavior_zoomTarget, d3_behavior_zoomArguments);
} finally {
d3.event = o;
}
o.preventDefault();
}
var d3_behavior_zoomInfiniteExtent = [
[-Infinity, Infinity],
[-Infinity, Infinity],
[-Infinity, Infinity]
];
function d3_behavior_zoomExtentClamp(x, i, k) {
var range = d3_behavior_zoomExtent[i],
r0 = range[0],
r1 = range[1];
return arguments.length === 3
? Math.max(r1 * (r1 === Infinity ? -Infinity : 1 / k - 1),
Math.min(r0 === -Infinity ? Infinity : r0, x / k)) * k
: Math.max(r0, Math.min(r1, x));
}
})();
Raw
index.html
<code>
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="d3mod.js"></script>
</head>
<body>
<script type="text/javascript">
svg=d3.select("body")
.append("svg:svg")
svg.property("__chart__",{
X:d3.scale.linear()
.domain([2012,2045])
.range([0,svg[0][0].parentNode.offsetWidth]),
Y:d3.scale.linear()
.domain([1,100])
.range([svg[0][0].parentNode.offsetHeight,0])
})
data = [ {x:2015,y:23},{x:2024,y:55},{x:2034,y:12}]
svg.selectAll(".series").data(data)
.enter()
.append("svg:circle")
.attr("cx",function(d) { return this.__chart__.X(d.x)})
.attr("cy",function(d) { return this.__chart__.Y(d.y)})
.attr("r",10)
</script>
</body>
</html>
<\code>
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