gnōthi seauton: ldavis of 20 topics from 42k tweets 2010-2015 (after some cleaning out of http etc)
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| d3 = function() { | |
| var d3 = { | |
| version: "3.2.7" | |
| }; | |
| if (!Date.now) Date.now = function() { | |
| return +new Date(); | |
| }; | |
| var d3_document = document, d3_documentElement = d3_document.documentElement, d3_window = window; | |
| try { | |
| d3_document.createElement("div").style.setProperty("opacity", 0, ""); | |
| } catch (error) { | |
| var d3_element_prototype = d3_window.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty; | |
| d3_element_prototype.setAttribute = function(name, value) { | |
| d3_element_setAttribute.call(this, name, value + ""); | |
| }; | |
| d3_element_prototype.setAttributeNS = function(space, local, value) { | |
| d3_element_setAttributeNS.call(this, space, local, value + ""); | |
| }; | |
| d3_style_prototype.setProperty = function(name, value, priority) { | |
| d3_style_setProperty.call(this, name, value + "", priority); | |
| }; | |
| } | |
| 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.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.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; | |
| }; | |
| function d3_number(x) { | |
| return x != null && !isNaN(x); | |
| } | |
| 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.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.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.bisector = function(f) { | |
| return { | |
| left: 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 (f.call(a, a[mid], mid) < x) lo = mid + 1; else hi = mid; | |
| } | |
| return lo; | |
| }, | |
| right: 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 < f.call(a, a[mid], mid)) hi = mid; else lo = mid + 1; | |
| } | |
| return lo; | |
| } | |
| }; | |
| }; | |
| var d3_bisector = d3.bisector(function(d) { | |
| return d; | |
| }); | |
| d3.bisectLeft = d3_bisector.left; | |
| d3.bisect = d3.bisectRight = d3_bisector.right; | |
| d3.shuffle = function(array) { | |
| var m = array.length, t, i; | |
| while (m) { | |
| i = Math.random() * m-- | 0; | |
| t = array[m], array[m] = array[i], array[i] = t; | |
| } | |
| return array; | |
| }; | |
| d3.permute = function(array, indexes) { | |
| var permutes = [], i = -1, n = indexes.length; | |
| while (++i < n) permutes[i] = array[indexes[i]]; | |
| return permutes; | |
| }; | |
| 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; | |
| } | |
| d3.transpose = function(matrix) { | |
| return d3.zip.apply(d3, matrix); | |
| }; | |
| 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.merge = function(arrays) { | |
| return Array.prototype.concat.apply([], arrays); | |
| }; | |
| 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 = [], k = d3_range_integerScale(Math.abs(step)), i = -1, j; | |
| start *= k, stop *= k, step *= k; | |
| if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k); | |
| return range; | |
| }; | |
| function d3_range_integerScale(x) { | |
| var k = 1; | |
| while (x * k % 1) k *= 10; | |
| return k; | |
| } | |
| function d3_class(ctor, properties) { | |
| try { | |
| for (var key in properties) { | |
| Object.defineProperty(ctor.prototype, key, { | |
| value: properties[key], | |
| enumerable: false | |
| }); | |
| } | |
| } catch (e) { | |
| ctor.prototype = properties; | |
| } | |
| } | |
| d3.map = function(object) { | |
| var map = new d3_Map(); | |
| for (var key in object) map.set(key, object[key]); | |
| return map; | |
| }; | |
| function d3_Map() {} | |
| d3_class(d3_Map, { | |
| has: function(key) { | |
| return d3_map_prefix + key in this; | |
| }, | |
| get: function(key) { | |
| return this[d3_map_prefix + key]; | |
| }, | |
| set: function(key, value) { | |
| return this[d3_map_prefix + key] = value; | |
| }, | |
| remove: function(key) { | |
| key = d3_map_prefix + key; | |
| return key in this && delete this[key]; | |
| }, | |
| keys: function() { | |
| var keys = []; | |
| this.forEach(function(key) { | |
| keys.push(key); | |
| }); | |
| return keys; | |
| }, | |
| values: function() { | |
| var values = []; | |
| this.forEach(function(key, value) { | |
| values.push(value); | |
| }); | |
| return values; | |
| }, | |
| entries: function() { | |
| var entries = []; | |
| this.forEach(function(key, value) { | |
| entries.push({ | |
| key: key, | |
| value: value | |
| }); | |
| }); | |
| return entries; | |
| }, | |
| forEach: function(f) { | |
| for (var key in this) { | |
| if (key.charCodeAt(0) === d3_map_prefixCode) { | |
| f.call(this, key.substring(1), this[key]); | |
| } | |
| } | |
| } | |
| }); | |
| var d3_map_prefix = "\0", d3_map_prefixCode = d3_map_prefix.charCodeAt(0); | |
| d3.nest = function() { | |
| var nest = {}, keys = [], sortKeys = [], sortValues, rollup; | |
| function map(mapType, 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, setter, valuesByKey = new d3_Map(), values; | |
| while (++i < n) { | |
| if (values = valuesByKey.get(keyValue = key(object = array[i]))) { | |
| values.push(object); | |
| } else { | |
| valuesByKey.set(keyValue, [ object ]); | |
| } | |
| } | |
| if (mapType) { | |
| object = mapType(); | |
| setter = function(keyValue, values) { | |
| object.set(keyValue, map(mapType, values, depth)); | |
| }; | |
| } else { | |
| object = {}; | |
| setter = function(keyValue, values) { | |
| object[keyValue] = map(mapType, values, depth); | |
| }; | |
| } | |
| valuesByKey.forEach(setter); | |
| return object; | |
| } | |
| function entries(map, depth) { | |
| if (depth >= keys.length) return map; | |
| var array = [], sortKey = sortKeys[depth++]; | |
| map.forEach(function(key, keyMap) { | |
| array.push({ | |
| key: key, | |
| values: entries(keyMap, depth) | |
| }); | |
| }); | |
| return sortKey ? array.sort(function(a, b) { | |
| return sortKey(a.key, b.key); | |
| }) : array; | |
| } | |
| nest.map = function(array, mapType) { | |
| return map(mapType, array, 0); | |
| }; | |
| nest.entries = function(array) { | |
| return entries(map(d3.map, array, 0), 0); | |
| }; | |
| nest.key = function(d) { | |
| keys.push(d); | |
| return nest; | |
| }; | |
| nest.sortKeys = function(order) { | |
| sortKeys[keys.length - 1] = order; | |
| return nest; | |
| }; | |
| nest.sortValues = function(order) { | |
| sortValues = order; | |
| return nest; | |
| }; | |
| nest.rollup = function(f) { | |
| rollup = f; | |
| return nest; | |
| }; | |
| return nest; | |
| }; | |
| d3.set = function(array) { | |
| var set = new d3_Set(); | |
| if (array) for (var i = 0; i < array.length; i++) set.add(array[i]); | |
| return set; | |
| }; | |
| function d3_Set() {} | |
| d3_class(d3_Set, { | |
| has: function(value) { | |
| return d3_map_prefix + value in this; | |
| }, | |
| add: function(value) { | |
| this[d3_map_prefix + value] = true; | |
| return value; | |
| }, | |
| remove: function(value) { | |
| value = d3_map_prefix + value; | |
| return value in this && delete this[value]; | |
| }, | |
| values: function() { | |
| var values = []; | |
| this.forEach(function(value) { | |
| values.push(value); | |
| }); | |
| return values; | |
| }, | |
| forEach: function(f) { | |
| for (var value in this) { | |
| if (value.charCodeAt(0) === d3_map_prefixCode) { | |
| f.call(this, value.substring(1)); | |
| } | |
| } | |
| } | |
| }); | |
| d3.behavior = {}; | |
| 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; | |
| }; | |
| function d3_rebind(target, source, method) { | |
| return function() { | |
| var value = method.apply(source, arguments); | |
| return value === source ? target : value; | |
| }; | |
| } | |
| function d3_vendorSymbol(object, name) { | |
| if (name in object) return name; | |
| name = name.charAt(0).toUpperCase() + name.substring(1); | |
| for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) { | |
| var prefixName = d3_vendorPrefixes[i] + name; | |
| if (prefixName in object) return prefixName; | |
| } | |
| } | |
| var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ]; | |
| var d3_array = d3_arraySlice; | |
| 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(d3_documentElement.childNodes)[0].nodeType; | |
| } catch (e) { | |
| d3_array = d3_arrayCopy; | |
| } | |
| function d3_noop() {} | |
| d3.dispatch = function() { | |
| var dispatch = new d3_dispatch(), i = -1, n = arguments.length; | |
| while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); | |
| return dispatch; | |
| }; | |
| function d3_dispatch() {} | |
| d3_dispatch.prototype.on = function(type, listener) { | |
| var i = type.indexOf("."), name = ""; | |
| if (i >= 0) { | |
| name = type.substring(i + 1); | |
| type = type.substring(0, i); | |
| } | |
| if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener); | |
| if (arguments.length === 2) { | |
| if (listener == null) for (type in this) { | |
| if (this.hasOwnProperty(type)) this[type].on(name, null); | |
| } | |
| return this; | |
| } | |
| }; | |
| function d3_dispatch_event(dispatch) { | |
| var listeners = [], listenerByName = new d3_Map(); | |
| function event() { | |
| var z = listeners, i = -1, n = z.length, l; | |
| while (++i < n) if (l = z[i].on) l.apply(this, arguments); | |
| return dispatch; | |
| } | |
| event.on = function(name, listener) { | |
| var l = listenerByName.get(name), i; | |
| if (arguments.length < 2) return l && l.on; | |
| if (l) { | |
| l.on = null; | |
| listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1)); | |
| listenerByName.remove(name); | |
| } | |
| if (listener) listeners.push(listenerByName.set(name, { | |
| on: listener | |
| })); | |
| return dispatch; | |
| }; | |
| return event; | |
| } | |
| d3.event = null; | |
| function d3_eventPreventDefault() { | |
| d3.event.preventDefault(); | |
| } | |
| function d3_eventSource() { | |
| var e = d3.event, s; | |
| while (s = e.sourceEvent) e = s; | |
| return e; | |
| } | |
| function d3_eventDispatch(target) { | |
| var dispatch = new d3_dispatch(), i = 0, n = arguments.length; | |
| while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); | |
| dispatch.of = function(thiz, argumentz) { | |
| return function(e1) { | |
| try { | |
| var e0 = e1.sourceEvent = d3.event; | |
| e1.target = target; | |
| d3.event = e1; | |
| dispatch[e1.type].apply(thiz, argumentz); | |
| } finally { | |
| d3.event = e0; | |
| } | |
| }; | |
| }; | |
| return dispatch; | |
| } | |
| d3.requote = function(s) { | |
| return s.replace(d3_requote_re, "\\$&"); | |
| }; | |
| var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; | |
| var d3_subclass = {}.__proto__ ? function(object, prototype) { | |
| object.__proto__ = prototype; | |
| } : function(object, prototype) { | |
| for (var property in prototype) object[property] = prototype[property]; | |
| }; | |
| function d3_selection(groups) { | |
| d3_subclass(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_selectMatcher = d3_documentElement[d3_vendorSymbol(d3_documentElement, "matchesSelector")], d3_selectMatches = function(n, s) { | |
| return d3_selectMatcher.call(n, s); | |
| }; | |
| if (typeof Sizzle === "function") { | |
| d3_select = function(s, n) { | |
| return Sizzle(s, n)[0] || null; | |
| }; | |
| d3_selectAll = function(s, n) { | |
| return Sizzle.uniqueSort(Sizzle(s, n)); | |
| }; | |
| d3_selectMatches = Sizzle.matchesSelector; | |
| } | |
| d3.selection = function() { | |
| return d3_selectionRoot; | |
| }; | |
| var d3_selectionPrototype = d3.selection.prototype = []; | |
| d3_selectionPrototype.select = function(selector) { | |
| var subgroups = [], subgroup, subnode, group, node; | |
| 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, j)); | |
| if (subnode && "__data__" in node) subnode.__data__ = node.__data__; | |
| } else { | |
| subgroup.push(null); | |
| } | |
| } | |
| } | |
| return d3_selection(subgroups); | |
| }; | |
| function d3_selection_selector(selector) { | |
| return typeof selector === "function" ? selector : function() { | |
| return d3_select(selector, this); | |
| }; | |
| } | |
| d3_selectionPrototype.selectAll = function(selector) { | |
| var subgroups = [], subgroup, node; | |
| 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, j))); | |
| subgroup.parentNode = node; | |
| } | |
| } | |
| } | |
| return d3_selection(subgroups); | |
| }; | |
| function d3_selection_selectorAll(selector) { | |
| return typeof selector === "function" ? selector : function() { | |
| return d3_selectAll(selector, this); | |
| }; | |
| } | |
| 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(":"), prefix = name; | |
| if (i >= 0) { | |
| prefix = name.substring(0, i); | |
| name = name.substring(i + 1); | |
| } | |
| return d3_nsPrefix.hasOwnProperty(prefix) ? { | |
| space: d3_nsPrefix[prefix], | |
| local: name | |
| } : name; | |
| } | |
| }; | |
| d3_selectionPrototype.attr = function(name, value) { | |
| if (arguments.length < 2) { | |
| if (typeof name === "string") { | |
| var node = this.node(); | |
| name = d3.ns.qualify(name); | |
| return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name); | |
| } | |
| for (value in name) this.each(d3_selection_attr(value, name[value])); | |
| return this; | |
| } | |
| return this.each(d3_selection_attr(name, value)); | |
| }; | |
| function d3_selection_attr(name, value) { | |
| name = d3.ns.qualify(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 value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant; | |
| } | |
| function d3_collapse(s) { | |
| return s.trim().replace(/\s+/g, " "); | |
| } | |
| d3_selectionPrototype.classed = function(name, value) { | |
| if (arguments.length < 2) { | |
| if (typeof name === "string") { | |
| var node = this.node(), n = (name = name.trim().split(/^|\s+/g)).length, i = -1; | |
| if (value = node.classList) { | |
| while (++i < n) if (!value.contains(name[i])) return false; | |
| } else { | |
| value = node.getAttribute("class"); | |
| while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false; | |
| } | |
| return true; | |
| } | |
| for (value in name) this.each(d3_selection_classed(value, name[value])); | |
| return this; | |
| } | |
| return this.each(d3_selection_classed(name, value)); | |
| }; | |
| function d3_selection_classedRe(name) { | |
| return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g"); | |
| } | |
| function d3_selection_classed(name, value) { | |
| name = name.trim().split(/\s+/).map(d3_selection_classedName); | |
| var n = name.length; | |
| function classedConstant() { | |
| var i = -1; | |
| while (++i < n) name[i](this, value); | |
| } | |
| function classedFunction() { | |
| var i = -1, x = value.apply(this, arguments); | |
| while (++i < n) name[i](this, x); | |
| } | |
| return typeof value === "function" ? classedFunction : classedConstant; | |
| } | |
| function d3_selection_classedName(name) { | |
| var re = d3_selection_classedRe(name); | |
| return function(node, value) { | |
| if (c = node.classList) return value ? c.add(name) : c.remove(name); | |
| var c = node.getAttribute("class") || ""; | |
| if (value) { | |
| re.lastIndex = 0; | |
| if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name)); | |
| } else { | |
| node.setAttribute("class", d3_collapse(c.replace(re, " "))); | |
| } | |
| }; | |
| } | |
| d3_selectionPrototype.style = function(name, value, priority) { | |
| var n = arguments.length; | |
| if (n < 3) { | |
| if (typeof name !== "string") { | |
| if (n < 2) value = ""; | |
| for (priority in name) this.each(d3_selection_style(priority, name[priority], value)); | |
| return this; | |
| } | |
| if (n < 2) return d3_window.getComputedStyle(this.node(), null).getPropertyValue(name); | |
| priority = ""; | |
| } | |
| return this.each(d3_selection_style(name, value, priority)); | |
| }; | |
| function d3_selection_style(name, value, priority) { | |
| 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 value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant; | |
| } | |
| d3_selectionPrototype.property = function(name, value) { | |
| if (arguments.length < 2) { | |
| if (typeof name === "string") return this.node()[name]; | |
| for (value in name) this.each(d3_selection_property(value, name[value])); | |
| return this; | |
| } | |
| return this.each(d3_selection_property(name, value)); | |
| }; | |
| function d3_selection_property(name, value) { | |
| 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 value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant; | |
| } | |
| d3_selectionPrototype.text = function(value) { | |
| return arguments.length ? 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; | |
| }) : this.node().textContent; | |
| }; | |
| d3_selectionPrototype.html = function(value) { | |
| return arguments.length ? 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; | |
| }) : this.node().innerHTML; | |
| }; | |
| d3_selectionPrototype.append = function(name) { | |
| name = d3_selection_creator(name); | |
| return this.select(function() { | |
| return this.appendChild(name.apply(this, arguments)); | |
| }); | |
| }; | |
| function d3_selection_creator(name) { | |
| return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? function() { | |
| return d3_document.createElementNS(name.space, name.local); | |
| } : function() { | |
| return d3_document.createElementNS(this.namespaceURI, name); | |
| }; | |
| } | |
| d3_selectionPrototype.insert = function(name, before) { | |
| name = d3_selection_creator(name); | |
| before = d3_selection_selector(before); | |
| return this.select(function() { | |
| return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments)); | |
| }); | |
| }; | |
| d3_selectionPrototype.remove = function() { | |
| return this.each(function() { | |
| var parent = this.parentNode; | |
| if (parent) parent.removeChild(this); | |
| }); | |
| }; | |
| d3_selectionPrototype.data = function(value, key) { | |
| var i = -1, n = this.length, group, node; | |
| if (!arguments.length) { | |
| value = new Array(n = (group = this[0]).length); | |
| while (++i < n) { | |
| if (node = group[i]) { | |
| value[i] = node.__data__; | |
| } | |
| } | |
| return value; | |
| } | |
| function bind(group, groupData) { | |
| var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData; | |
| if (key) { | |
| var nodeByKeyValue = new d3_Map(), dataByKeyValue = new d3_Map(), keyValues = [], keyValue; | |
| for (i = -1; ++i < n; ) { | |
| keyValue = key.call(node = group[i], node.__data__, i); | |
| if (nodeByKeyValue.has(keyValue)) { | |
| exitNodes[i] = node; | |
| } else { | |
| nodeByKeyValue.set(keyValue, node); | |
| } | |
| keyValues.push(keyValue); | |
| } | |
| for (i = -1; ++i < m; ) { | |
| keyValue = key.call(groupData, nodeData = groupData[i], i); | |
| if (node = nodeByKeyValue.get(keyValue)) { | |
| updateNodes[i] = node; | |
| node.__data__ = nodeData; | |
| } else if (!dataByKeyValue.has(keyValue)) { | |
| enterNodes[i] = d3_selection_dataNode(nodeData); | |
| } | |
| dataByKeyValue.set(keyValue, nodeData); | |
| nodeByKeyValue.remove(keyValue); | |
| } | |
| for (i = -1; ++i < n; ) { | |
| if (nodeByKeyValue.has(keyValues[i])) { | |
| exitNodes[i] = group[i]; | |
| } | |
| } | |
| } else { | |
| for (i = -1; ++i < n0; ) { | |
| node = group[i]; | |
| nodeData = groupData[i]; | |
| if (node) { | |
| node.__data__ = nodeData; | |
| updateNodes[i] = node; | |
| } else { | |
| enterNodes[i] = d3_selection_dataNode(nodeData); | |
| } | |
| } | |
| for (;i < m; ++i) { | |
| enterNodes[i] = d3_selection_dataNode(groupData[i]); | |
| } | |
| for (;i < n; ++i) { | |
| exitNodes[i] = group[i]; | |
| } | |
| } | |
| enterNodes.update = updateNodes; | |
| enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode; | |
| enter.push(enterNodes); | |
| update.push(updateNodes); | |
| exit.push(exitNodes); | |
| } | |
| var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]); | |
| if (typeof value === "function") { | |
| while (++i < n) { | |
| bind(group = this[i], value.call(group, group.parentNode.__data__, i)); | |
| } | |
| } else { | |
| while (++i < n) { | |
| bind(group = this[i], value); | |
| } | |
| } | |
| update.enter = function() { | |
| return enter; | |
| }; | |
| update.exit = function() { | |
| return exit; | |
| }; | |
| return update; | |
| }; | |
| function d3_selection_dataNode(data) { | |
| return { | |
| __data__: data | |
| }; | |
| } | |
| d3_selectionPrototype.datum = function(value) { | |
| return arguments.length ? this.property("__data__", value) : this.property("__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.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 !== node.nextSibling) 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 !a - !b || comparator(a.__data__, b.__data__); | |
| }; | |
| } | |
| d3_selectionPrototype.each = function(callback) { | |
| return d3_selection_each(this, function(node, i, j) { | |
| callback.call(node, node.__data__, i, j); | |
| }); | |
| }; | |
| function d3_selection_each(groups, callback) { | |
| for (var j = 0, m = groups.length; j < m; j++) { | |
| for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) { | |
| if (node = group[i]) callback(node, i, j); | |
| } | |
| } | |
| return groups; | |
| } | |
| d3_selectionPrototype.call = function(callback) { | |
| var args = d3_array(arguments); | |
| callback.apply(args[0] = this, args); | |
| return this; | |
| }; | |
| d3_selectionPrototype.empty = function() { | |
| return !this.node(); | |
| }; | |
| d3_selectionPrototype.node = function() { | |
| 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.size = function() { | |
| var n = 0; | |
| this.each(function() { | |
| ++n; | |
| }); | |
| return n; | |
| }; | |
| function d3_selection_enter(selection) { | |
| d3_subclass(selection, d3_selection_enterPrototype); | |
| return selection; | |
| } | |
| var d3_selection_enterPrototype = []; | |
| d3.selection.enter = d3_selection_enter; | |
| d3.selection.enter.prototype = d3_selection_enterPrototype; | |
| d3_selection_enterPrototype.append = d3_selectionPrototype.append; | |
| d3_selection_enterPrototype.empty = d3_selectionPrototype.empty; | |
| d3_selection_enterPrototype.node = d3_selectionPrototype.node; | |
| d3_selection_enterPrototype.call = d3_selectionPrototype.call; | |
| d3_selection_enterPrototype.size = d3_selectionPrototype.size; | |
| 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, j)); | |
| subnode.__data__ = node.__data__; | |
| } else { | |
| subgroup.push(null); | |
| } | |
| } | |
| } | |
| return d3_selection(subgroups); | |
| }; | |
| d3_selection_enterPrototype.insert = function(name, before) { | |
| if (arguments.length < 2) before = d3_selection_enterInsertBefore(this); | |
| return d3_selectionPrototype.insert.call(this, name, before); | |
| }; | |
| function d3_selection_enterInsertBefore(enter) { | |
| var i0, j0; | |
| return function(d, i, j) { | |
| var group = enter[j].update, n = group.length, node; | |
| if (j != j0) j0 = j, i0 = 0; | |
| if (i >= i0) i0 = i + 1; | |
| while (!(node = group[i0]) && ++i0 < n) ; | |
| return node; | |
| }; | |
| } | |
| d3_selectionPrototype.transition = function() { | |
| var id = d3_transitionInheritId || ++d3_transitionId, subgroups = [], subgroup, node, transition = d3_transitionInherit || { | |
| time: Date.now(), | |
| ease: d3_ease_cubicInOut, | |
| delay: 0, | |
| duration: 250 | |
| }; | |
| 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]) d3_transitionNode(node, i, id, transition); | |
| subgroup.push(node); | |
| } | |
| } | |
| return d3_transition(subgroups, id); | |
| }; | |
| d3.select = function(node) { | |
| var group = [ typeof node === "string" ? d3_select(node, d3_document) : node ]; | |
| group.parentNode = d3_documentElement; | |
| return d3_selection([ group ]); | |
| }; | |
| d3.selectAll = function(nodes) { | |
| var group = d3_array(typeof nodes === "string" ? d3_selectAll(nodes, d3_document) : nodes); | |
| group.parentNode = d3_documentElement; | |
| return d3_selection([ group ]); | |
| }; | |
| var d3_selectionRoot = d3.select(d3_documentElement); | |
| d3_selectionPrototype.on = function(type, listener, capture) { | |
| var n = arguments.length; | |
| if (n < 3) { | |
| if (typeof type !== "string") { | |
| if (n < 2) listener = false; | |
| for (capture in type) this.each(d3_selection_on(capture, type[capture], listener)); | |
| return this; | |
| } | |
| if (n < 2) return (n = this.node()["__on" + type]) && n._; | |
| capture = false; | |
| } | |
| return this.each(d3_selection_on(type, listener, capture)); | |
| }; | |
| function d3_selection_on(type, listener, capture) { | |
| var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener; | |
| if (i > 0) type = type.substring(0, i); | |
| var filter = d3_selection_onFilters.get(type); | |
| if (filter) type = filter, wrap = d3_selection_onFilter; | |
| function onRemove() { | |
| var l = this[name]; | |
| if (l) { | |
| this.removeEventListener(type, l, l.$); | |
| delete this[name]; | |
| } | |
| } | |
| function onAdd() { | |
| var l = wrap(listener, d3_array(arguments)); | |
| onRemove.call(this); | |
| this.addEventListener(type, this[name] = l, l.$ = capture); | |
| l._ = listener; | |
| } | |
| function removeAll() { | |
| var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match; | |
| for (var name in this) { | |
| if (match = name.match(re)) { | |
| var l = this[name]; | |
| this.removeEventListener(match[1], l, l.$); | |
| delete this[name]; | |
| } | |
| } | |
| } | |
| return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll; | |
| } | |
| var d3_selection_onFilters = d3.map({ | |
| mouseenter: "mouseover", | |
| mouseleave: "mouseout" | |
| }); | |
| d3_selection_onFilters.forEach(function(k) { | |
| if ("on" + k in d3_document) d3_selection_onFilters.remove(k); | |
| }); | |
| function d3_selection_onListener(listener, argumentz) { | |
| return function(e) { | |
| var o = d3.event; | |
| d3.event = e; | |
| argumentz[0] = this.__data__; | |
| try { | |
| listener.apply(this, argumentz); | |
| } finally { | |
| d3.event = o; | |
| } | |
| }; | |
| } | |
| function d3_selection_onFilter(listener, argumentz) { | |
| var l = d3_selection_onListener(listener, argumentz); | |
| return function(e) { | |
| var target = this, related = e.relatedTarget; | |
| if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) { | |
| l.call(target, e); | |
| } | |
| }; | |
| } | |
| var d3_event_dragSelect = d3_vendorSymbol(d3_documentElement.style, "userSelect"), d3_event_dragId = 0; | |
| function d3_event_dragSuppress() { | |
| var name = ".dragsuppress-" + ++d3_event_dragId, touchmove = "touchmove" + name, selectstart = "selectstart" + name, dragstart = "dragstart" + name, click = "click" + name, w = d3.select(d3_window).on(touchmove, d3_eventPreventDefault).on(selectstart, d3_eventPreventDefault).on(dragstart, d3_eventPreventDefault), style = d3_documentElement.style, select = style[d3_event_dragSelect]; | |
| style[d3_event_dragSelect] = "none"; | |
| return function(suppressClick) { | |
| w.on(name, null); | |
| style[d3_event_dragSelect] = select; | |
| if (suppressClick) { | |
| function off() { | |
| w.on(click, null); | |
| } | |
| w.on(click, function() { | |
| d3_eventPreventDefault(); | |
| off(); | |
| }, true); | |
| setTimeout(off, 0); | |
| } | |
| }; | |
| } | |
| d3.mouse = function(container) { | |
| return d3_mousePoint(container, d3_eventSource()); | |
| }; | |
| var d3_mouse_bug44083 = /WebKit/.test(d3_window.navigator.userAgent) ? -1 : 0; | |
| function d3_mousePoint(container, e) { | |
| var svg = container.ownerSVGElement || container; | |
| if (svg.createSVGPoint) { | |
| var point = svg.createSVGPoint(); | |
| if (d3_mouse_bug44083 < 0 && (d3_window.scrollX || d3_window.scrollY)) { | |
| svg = d3.select("body").append("svg").style({ | |
| position: "absolute", | |
| top: 0, | |
| left: 0, | |
| margin: 0, | |
| padding: 0, | |
| border: "none" | |
| }, "important"); | |
| 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 ]; | |
| } | |
| var rect = container.getBoundingClientRect(); | |
| return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ]; | |
| } | |
| d3.touches = function(container, touches) { | |
| if (arguments.length < 2) touches = d3_eventSource().touches; | |
| return touches ? d3_array(touches).map(function(touch) { | |
| var point = d3_mousePoint(container, touch); | |
| point.identifier = touch.identifier; | |
| return point; | |
| }) : []; | |
| }; | |
| d3.behavior.drag = function() { | |
| var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, "mousemove", "mouseup"), touchstart = dragstart(touchid, touchposition, "touchmove", "touchend"); | |
| function drag() { | |
| this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart); | |
| } | |
| function touchid() { | |
| return d3.event.changedTouches[0].identifier; | |
| } | |
| function touchposition(parent, id) { | |
| return d3.touches(parent).filter(function(p) { | |
| return p.identifier === id; | |
| })[0]; | |
| } | |
| function dragstart(id, position, move, end) { | |
| return function() { | |
| var target = this, parent = target.parentNode, event_ = event.of(target, arguments), eventTarget = d3.event.target, eventId = id(), drag = eventId == null ? "drag" : "drag-" + eventId, origin_ = position(parent, eventId), dragged = 0, offset, w = d3.select(d3_window).on(move + "." + drag, moved).on(end + "." + drag, ended), dragRestore = d3_event_dragSuppress(); | |
| if (origin) { | |
| offset = origin.apply(target, arguments); | |
| offset = [ offset.x - origin_[0], offset.y - origin_[1] ]; | |
| } else { | |
| offset = [ 0, 0 ]; | |
| } | |
| event_({ | |
| type: "dragstart" | |
| }); | |
| function moved() { | |
| if (!parent) return ended(); | |
| var p = position(parent, eventId), dx = p[0] - origin_[0], dy = p[1] - origin_[1]; | |
| dragged |= dx | dy; | |
| origin_ = p; | |
| event_({ | |
| type: "drag", | |
| x: p[0] + offset[0], | |
| y: p[1] + offset[1], | |
| dx: dx, | |
| dy: dy | |
| }); | |
| } | |
| function ended() { | |
| w.on(move + "." + drag, null).on(end + "." + drag, null); | |
| dragRestore(dragged && d3.event.target === eventTarget); | |
| event_({ | |
| type: "dragend" | |
| }); | |
| } | |
| }; | |
| } | |
| drag.origin = function(x) { | |
| if (!arguments.length) return origin; | |
| origin = x; | |
| return drag; | |
| }; | |
| return d3.rebind(drag, event, "on"); | |
| }; | |
| d3.behavior.zoom = function() { | |
| var translate = [ 0, 0 ], translate0, scale = 1, scaleExtent = d3_behavior_zoomInfinity, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", event = d3_eventDispatch(zoom, "zoom"), x0, x1, y0, y1, touchtime; | |
| function zoom() { | |
| this.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on(mousemove, mousewheelreset).on("dblclick.zoom", dblclicked).on("touchstart.zoom", touchstarted); | |
| } | |
| zoom.translate = function(x) { | |
| if (!arguments.length) return translate; | |
| translate = x.map(Number); | |
| rescale(); | |
| return zoom; | |
| }; | |
| zoom.scale = function(x) { | |
| if (!arguments.length) return scale; | |
| scale = +x; | |
| rescale(); | |
| return zoom; | |
| }; | |
| zoom.scaleExtent = function(x) { | |
| if (!arguments.length) return scaleExtent; | |
| scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number); | |
| return zoom; | |
| }; | |
| zoom.x = function(z) { | |
| if (!arguments.length) return x1; | |
| x1 = z; | |
| x0 = z.copy(); | |
| translate = [ 0, 0 ]; | |
| scale = 1; | |
| return zoom; | |
| }; | |
| zoom.y = function(z) { | |
| if (!arguments.length) return y1; | |
| y1 = z; | |
| y0 = z.copy(); | |
| translate = [ 0, 0 ]; | |
| scale = 1; | |
| return zoom; | |
| }; | |
| function location(p) { | |
| return [ (p[0] - translate[0]) / scale, (p[1] - translate[1]) / scale ]; | |
| } | |
| function point(l) { | |
| return [ l[0] * scale + translate[0], l[1] * scale + translate[1] ]; | |
| } | |
| function scaleTo(s) { | |
| scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s)); | |
| } | |
| function translateTo(p, l) { | |
| l = point(l); | |
| translate[0] += p[0] - l[0]; | |
| translate[1] += p[1] - l[1]; | |
| } | |
| function rescale() { | |
| if (x1) x1.domain(x0.range().map(function(x) { | |
| return (x - translate[0]) / scale; | |
| }).map(x0.invert)); | |
| if (y1) y1.domain(y0.range().map(function(y) { | |
| return (y - translate[1]) / scale; | |
| }).map(y0.invert)); | |
| } | |
| function dispatch(event) { | |
| rescale(); | |
| event({ | |
| type: "zoom", | |
| scale: scale, | |
| translate: translate | |
| }); | |
| } | |
| function mousedowned() { | |
| var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, dragged = 0, w = d3.select(d3_window).on(mousemove, moved).on(mouseup, ended), l = location(d3.mouse(target)), dragRestore = d3_event_dragSuppress(); | |
| function moved() { | |
| dragged = 1; | |
| translateTo(d3.mouse(target), l); | |
| dispatch(event_); | |
| } | |
| function ended() { | |
| w.on(mousemove, d3_window === target ? mousewheelreset : null).on(mouseup, null); | |
| dragRestore(dragged && d3.event.target === eventTarget); | |
| } | |
| } | |
| function touchstarted() { | |
| var target = this, event_ = event.of(target, arguments), touches = d3.touches(target), locations = {}, distance0 = 0, scale0 = scale, now = Date.now(), name = "zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove." + name, touchend = "touchend." + name, w = d3.select(d3_window).on(touchmove, moved).on(touchend, ended), t = d3.select(target).on(mousedown, null), dragRestore = d3_event_dragSuppress(); | |
| touches.forEach(function(t) { | |
| locations[t.identifier] = location(t); | |
| }); | |
| if (touches.length === 1) { | |
| if (now - touchtime < 500) { | |
| var p = touches[0], l = location(touches[0]); | |
| scaleTo(scale * 2); | |
| translateTo(p, l); | |
| d3_eventPreventDefault(); | |
| dispatch(event_); | |
| } | |
| touchtime = now; | |
| } else if (touches.length > 1) { | |
| var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1]; | |
| distance0 = dx * dx + dy * dy; | |
| } | |
| function moved() { | |
| var touches = d3.touches(target), p0 = touches[0], l0 = locations[p0.identifier]; | |
| if (p1 = touches[1]) { | |
| var p1, l1 = locations[p1.identifier], scale1 = d3.event.scale; | |
| if (scale1 == null) { | |
| var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1; | |
| scale1 = distance0 && Math.sqrt(distance1 / distance0); | |
| } | |
| p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ]; | |
| l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ]; | |
| scaleTo(scale1 * scale0); | |
| } | |
| touchtime = null; | |
| translateTo(p0, l0); | |
| dispatch(event_); | |
| } | |
| function ended() { | |
| w.on(touchmove, null).on(touchend, null); | |
| t.on(mousedown, mousedowned); | |
| dragRestore(); | |
| } | |
| } | |
| function mousewheeled() { | |
| d3_eventPreventDefault(); | |
| if (!translate0) translate0 = location(d3.mouse(this)); | |
| scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * scale); | |
| translateTo(d3.mouse(this), translate0); | |
| dispatch(event.of(this, arguments)); | |
| } | |
| function mousewheelreset() { | |
| translate0 = null; | |
| } | |
| function dblclicked() { | |
| var p = d3.mouse(this), l = location(p), k = Math.log(scale) / Math.LN2; | |
| scaleTo(Math.pow(2, d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1)); | |
| translateTo(p, l); | |
| dispatch(event.of(this, arguments)); | |
| } | |
| return d3.rebind(zoom, event, "on"); | |
| }; | |
| var d3_behavior_zoomInfinity = [ 0, Infinity ]; | |
| var d3_behavior_zoomDelta, d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() { | |
| return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1); | |
| }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() { | |
| return d3.event.wheelDelta; | |
| }, "mousewheel") : (d3_behavior_zoomDelta = function() { | |
| return -d3.event.detail; | |
| }, "MozMousePixelScroll"); | |
| function d3_Color() {} | |
| d3_Color.prototype.toString = function() { | |
| return this.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; | |
| } | |
| var d3_hslPrototype = d3_Hsl.prototype = new d3_Color(); | |
| d3_hslPrototype.brighter = function(k) { | |
| k = Math.pow(.7, arguments.length ? k : 1); | |
| return d3_hsl(this.h, this.s, this.l / k); | |
| }; | |
| d3_hslPrototype.darker = function(k) { | |
| k = Math.pow(.7, arguments.length ? k : 1); | |
| return d3_hsl(this.h, this.s, k * this.l); | |
| }; | |
| d3_hslPrototype.rgb = function() { | |
| return d3_hsl_rgb(this.h, this.s, this.l); | |
| }; | |
| function d3_hsl_rgb(h, s, l) { | |
| var m1, m2; | |
| h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h; | |
| s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s; | |
| l = l < 0 ? 0 : l > 1 ? 1 : l; | |
| 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)); | |
| } | |
| var π = Math.PI, ε = 1e-6, ε2 = ε * ε, d3_radians = π / 180, d3_degrees = 180 / π; | |
| function d3_sgn(x) { | |
| return x > 0 ? 1 : x < 0 ? -1 : 0; | |
| } | |
| function d3_acos(x) { | |
| return x > 1 ? 0 : x < -1 ? π : Math.acos(x); | |
| } | |
| function d3_asin(x) { | |
| return x > 1 ? π / 2 : x < -1 ? -π / 2 : Math.asin(x); | |
| } | |
| function d3_sinh(x) { | |
| return (Math.exp(x) - Math.exp(-x)) / 2; | |
| } | |
| function d3_cosh(x) { | |
| return (Math.exp(x) + Math.exp(-x)) / 2; | |
| } | |
| function d3_haversin(x) { | |
| return (x = Math.sin(x / 2)) * x; | |
| } | |
| d3.hcl = function(h, c, l) { | |
| return arguments.length === 1 ? h instanceof d3_Hcl ? d3_hcl(h.h, h.c, h.l) : h instanceof d3_Lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : d3_hcl(+h, +c, +l); | |
| }; | |
| function d3_hcl(h, c, l) { | |
| return new d3_Hcl(h, c, l); | |
| } | |
| function d3_Hcl(h, c, l) { | |
| this.h = h; | |
| this.c = c; | |
| this.l = l; | |
| } | |
| var d3_hclPrototype = d3_Hcl.prototype = new d3_Color(); | |
| d3_hclPrototype.brighter = function(k) { | |
| return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1))); | |
| }; | |
| d3_hclPrototype.darker = function(k) { | |
| return d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1))); | |
| }; | |
| d3_hclPrototype.rgb = function() { | |
| return d3_hcl_lab(this.h, this.c, this.l).rgb(); | |
| }; | |
| function d3_hcl_lab(h, c, l) { | |
| if (isNaN(h)) h = 0; | |
| if (isNaN(c)) c = 0; | |
| return d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c); | |
| } | |
| d3.lab = function(l, a, b) { | |
| return arguments.length === 1 ? l instanceof d3_Lab ? d3_lab(l.l, l.a, l.b) : l instanceof d3_Hcl ? d3_hcl_lab(l.l, l.c, l.h) : d3_rgb_lab((l = d3.rgb(l)).r, l.g, l.b) : d3_lab(+l, +a, +b); | |
| }; | |
| function d3_lab(l, a, b) { | |
| return new d3_Lab(l, a, b); | |
| } | |
| function d3_Lab(l, a, b) { | |
| this.l = l; | |
| this.a = a; | |
| this.b = b; | |
| } | |
| var d3_lab_K = 18; | |
| var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883; | |
| var d3_labPrototype = d3_Lab.prototype = new d3_Color(); | |
| d3_labPrototype.brighter = function(k) { | |
| return d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); | |
| }; | |
| d3_labPrototype.darker = function(k) { | |
| return d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); | |
| }; | |
| d3_labPrototype.rgb = function() { | |
| return d3_lab_rgb(this.l, this.a, this.b); | |
| }; | |
| function d3_lab_rgb(l, a, b) { | |
| var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200; | |
| x = d3_lab_xyz(x) * d3_lab_X; | |
| y = d3_lab_xyz(y) * d3_lab_Y; | |
| z = d3_lab_xyz(z) * d3_lab_Z; | |
| return d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z)); | |
| } | |
| function d3_lab_hcl(l, a, b) { | |
| return l > 0 ? d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : d3_hcl(NaN, NaN, l); | |
| } | |
| function d3_lab_xyz(x) { | |
| return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037; | |
| } | |
| function d3_xyz_lab(x) { | |
| return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29; | |
| } | |
| function d3_xyz_rgb(r) { | |
| return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055)); | |
| } | |
| 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_rgbNumber(value) { | |
| return d3_rgb(value >> 16, value >> 8 & 255, value & 255); | |
| } | |
| function d3_rgbString(value) { | |
| return d3_rgbNumber(value) + ""; | |
| } | |
| 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; | |
| } | |
| var d3_rgbPrototype = d3_Rgb.prototype = new d3_Color(); | |
| d3_rgbPrototype.brighter = function(k) { | |
| k = Math.pow(.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, ~~(r / k)), Math.min(255, ~~(g / k)), Math.min(255, ~~(b / k))); | |
| }; | |
| d3_rgbPrototype.darker = function(k) { | |
| k = Math.pow(.7, arguments.length ? k : 1); | |
| return d3_rgb(~~(k * this.r), ~~(k * this.g), ~~(k * this.b)); | |
| }; | |
| d3_rgbPrototype.hsl = function() { | |
| return d3_rgb_hsl(this.r, this.g, this.b); | |
| }; | |
| d3_rgbPrototype.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 < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16); | |
| } | |
| function d3_rgb_parse(format, rgb, hsl) { | |
| var r = 0, g = 0, b = 0, m1, m2, name; | |
| m1 = /([a-z]+)\((.*)\)/i.exec(format); | |
| if (m1) { | |
| m2 = m1[2].split(","); | |
| switch (m1[1]) { | |
| case "hsl": | |
| { | |
| return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100); | |
| } | |
| case "rgb": | |
| { | |
| return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2])); | |
| } | |
| } | |
| } | |
| if (name = d3_rgb_names.get(format)) return rgb(name.r, name.g, name.b); | |
| 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 { | |
| h = NaN; | |
| s = l > 0 && l < 1 ? 0 : h; | |
| } | |
| return d3_hsl(h, s, l); | |
| } | |
| function d3_rgb_lab(r, g, b) { | |
| r = d3_rgb_xyz(r); | |
| g = d3_rgb_xyz(g); | |
| b = d3_rgb_xyz(b); | |
| var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z); | |
| return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z)); | |
| } | |
| function d3_rgb_xyz(r) { | |
| return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4); | |
| } | |
| function d3_rgb_parseNumber(c) { | |
| var f = parseFloat(c); | |
| return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f; | |
| } | |
| var d3_rgb_names = d3.map({ | |
| aliceblue: 15792383, | |
| antiquewhite: 16444375, | |
| aqua: 65535, | |
| aquamarine: 8388564, | |
| azure: 15794175, | |
| beige: 16119260, | |
| bisque: 16770244, | |
| black: 0, | |
| blanchedalmond: 16772045, | |
| blue: 255, | |
| blueviolet: 9055202, | |
| brown: 10824234, | |
| burlywood: 14596231, | |
| cadetblue: 6266528, | |
| chartreuse: 8388352, | |
| chocolate: 13789470, | |
| coral: 16744272, | |
| cornflowerblue: 6591981, | |
| cornsilk: 16775388, | |
| crimson: 14423100, | |
| cyan: 65535, | |
| darkblue: 139, | |
| darkcyan: 35723, | |
| darkgoldenrod: 12092939, | |
| darkgray: 11119017, | |
| darkgreen: 25600, | |
| darkgrey: 11119017, | |
| darkkhaki: 12433259, | |
| darkmagenta: 9109643, | |
| darkolivegreen: 5597999, | |
| darkorange: 16747520, | |
| darkorchid: 10040012, | |
| darkred: 9109504, | |
| darksalmon: 15308410, | |
| darkseagreen: 9419919, | |
| darkslateblue: 4734347, | |
| darkslategray: 3100495, | |
| darkslategrey: 3100495, | |
| darkturquoise: 52945, | |
| darkviolet: 9699539, | |
| deeppink: 16716947, | |
| deepskyblue: 49151, | |
| dimgray: 6908265, | |
| dimgrey: 6908265, | |
| dodgerblue: 2003199, | |
| firebrick: 11674146, | |
| floralwhite: 16775920, | |
| forestgreen: 2263842, | |
| fuchsia: 16711935, | |
| gainsboro: 14474460, | |
| ghostwhite: 16316671, | |
| gold: 16766720, | |
| goldenrod: 14329120, | |
| gray: 8421504, | |
| green: 32768, | |
| greenyellow: 11403055, | |
| grey: 8421504, | |
| honeydew: 15794160, | |
| hotpink: 16738740, | |
| indianred: 13458524, | |
| indigo: 4915330, | |
| ivory: 16777200, | |
| khaki: 15787660, | |
| lavender: 15132410, | |
| lavenderblush: 16773365, | |
| lawngreen: 8190976, | |
| lemonchiffon: 16775885, | |
| lightblue: 11393254, | |
| lightcoral: 15761536, | |
| lightcyan: 14745599, | |
| lightgoldenrodyellow: 16448210, | |
| lightgray: 13882323, | |
| lightgreen: 9498256, | |
| lightgrey: 13882323, | |
| lightpink: 16758465, | |
| lightsalmon: 16752762, | |
| lightseagreen: 2142890, | |
| lightskyblue: 8900346, | |
| lightslategray: 7833753, | |
| lightslategrey: 7833753, | |
| lightsteelblue: 11584734, | |
| lightyellow: 16777184, | |
| lime: 65280, | |
| limegreen: 3329330, | |
| linen: 16445670, | |
| magenta: 16711935, | |
| maroon: 8388608, | |
| mediumaquamarine: 6737322, | |
| mediumblue: 205, | |
| mediumorchid: 12211667, | |
| mediumpurple: 9662683, | |
| mediumseagreen: 3978097, | |
| mediumslateblue: 8087790, | |
| mediumspringgreen: 64154, | |
| mediumturquoise: 4772300, | |
| mediumvioletred: 13047173, | |
| midnightblue: 1644912, | |
| mintcream: 16121850, | |
| mistyrose: 16770273, | |
| moccasin: 16770229, | |
| navajowhite: 16768685, | |
| navy: 128, | |
| oldlace: 16643558, | |
| olive: 8421376, | |
| olivedrab: 7048739, | |
| orange: 16753920, | |
| orangered: 16729344, | |
| orchid: 14315734, | |
| palegoldenrod: 15657130, | |
| palegreen: 10025880, | |
| paleturquoise: 11529966, | |
| palevioletred: 14381203, | |
| papayawhip: 16773077, | |
| peachpuff: 16767673, | |
| peru: 13468991, | |
| pink: 16761035, | |
| plum: 14524637, | |
| powderblue: 11591910, | |
| purple: 8388736, | |
| red: 16711680, | |
| rosybrown: 12357519, | |
| royalblue: 4286945, | |
| saddlebrown: 9127187, | |
| salmon: 16416882, | |
| sandybrown: 16032864, | |
| seagreen: 3050327, | |
| seashell: 16774638, | |
| sienna: 10506797, | |
| silver: 12632256, | |
| skyblue: 8900331, | |
| slateblue: 6970061, | |
| slategray: 7372944, | |
| slategrey: 7372944, | |
| snow: 16775930, | |
| springgreen: 65407, | |
| steelblue: 4620980, | |
| tan: 13808780, | |
| teal: 32896, | |
| thistle: 14204888, | |
| tomato: 16737095, | |
| turquoise: 4251856, | |
| violet: 15631086, | |
| wheat: 16113331, | |
| white: 16777215, | |
| whitesmoke: 16119285, | |
| yellow: 16776960, | |
| yellowgreen: 10145074 | |
| }); | |
| d3_rgb_names.forEach(function(key, value) { | |
| d3_rgb_names.set(key, d3_rgbNumber(value)); | |
| }); | |
| function d3_functor(v) { | |
| return typeof v === "function" ? v : function() { | |
| return v; | |
| }; | |
| } | |
| d3.functor = d3_functor; | |
| function d3_identity(d) { | |
| return d; | |
| } | |
| d3.xhr = d3_xhrType(d3_identity); | |
| function d3_xhrType(response) { | |
| return function(url, mimeType, callback) { | |
| if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, | |
| mimeType = null; | |
| return d3_xhr(url, mimeType, response, callback); | |
| }; | |
| } | |
| function d3_xhr(url, mimeType, response, callback) { | |
| var xhr = {}, dispatch = d3.dispatch("progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null; | |
| if (d3_window.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest(); | |
| "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() { | |
| request.readyState > 3 && respond(); | |
| }; | |
| function respond() { | |
| var status = request.status, result; | |
| if (!status && request.responseText || status >= 200 && status < 300 || status === 304) { | |
| try { | |
| result = response.call(xhr, request); | |
| } catch (e) { | |
| dispatch.error.call(xhr, e); | |
| return; | |
| } | |
| dispatch.load.call(xhr, result); | |
| } else { | |
| dispatch.error.call(xhr, request); | |
| } | |
| } | |
| request.onprogress = function(event) { | |
| var o = d3.event; | |
| d3.event = event; | |
| try { | |
| dispatch.progress.call(xhr, request); | |
| } finally { | |
| d3.event = o; | |
| } | |
| }; | |
| xhr.header = function(name, value) { | |
| name = (name + "").toLowerCase(); | |
| if (arguments.length < 2) return headers[name]; | |
| if (value == null) delete headers[name]; else headers[name] = value + ""; | |
| return xhr; | |
| }; | |
| xhr.mimeType = function(value) { | |
| if (!arguments.length) return mimeType; | |
| mimeType = value == null ? null : value + ""; | |
| return xhr; | |
| }; | |
| xhr.responseType = function(value) { | |
| if (!arguments.length) return responseType; | |
| responseType = value; | |
| return xhr; | |
| }; | |
| xhr.response = function(value) { | |
| response = value; | |
| return xhr; | |
| }; | |
| [ "get", "post" ].forEach(function(method) { | |
| xhr[method] = function() { | |
| return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments))); | |
| }; | |
| }); | |
| xhr.send = function(method, data, callback) { | |
| if (arguments.length === 2 && typeof data === "function") callback = data, data = null; | |
| request.open(method, url, true); | |
| if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*"; | |
| if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]); | |
| if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType); | |
| if (responseType != null) request.responseType = responseType; | |
| if (callback != null) xhr.on("error", callback).on("load", function(request) { | |
| callback(null, request); | |
| }); | |
| request.send(data == null ? null : data); | |
| return xhr; | |
| }; | |
| xhr.abort = function() { | |
| request.abort(); | |
| return xhr; | |
| }; | |
| d3.rebind(xhr, dispatch, "on"); | |
| return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback)); | |
| } | |
| function d3_xhr_fixCallback(callback) { | |
| return callback.length === 1 ? function(error, request) { | |
| callback(error == null ? request : null); | |
| } : callback; | |
| } | |
| d3.dsv = function(delimiter, mimeType) { | |
| var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0); | |
| function dsv(url, row, callback) { | |
| if (arguments.length < 3) callback = row, row = null; | |
| var xhr = d3.xhr(url, mimeType, callback); | |
| xhr.row = function(_) { | |
| return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row; | |
| }; | |
| return xhr.row(row); | |
| } | |
| function response(request) { | |
| return dsv.parse(request.responseText); | |
| } | |
| function typedResponse(f) { | |
| return function(request) { | |
| return dsv.parse(request.responseText, f); | |
| }; | |
| } | |
| dsv.parse = function(text, f) { | |
| var o; | |
| return dsv.parseRows(text, function(row, i) { | |
| if (o) return o(row, i - 1); | |
| var a = new Function("d", "return {" + row.map(function(name, i) { | |
| return JSON.stringify(name) + ": d[" + i + "]"; | |
| }).join(",") + "}"); | |
| o = f ? function(row, i) { | |
| return f(a(row), i); | |
| } : a; | |
| }); | |
| }; | |
| dsv.parseRows = function(text, f) { | |
| var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol; | |
| function token() { | |
| if (I >= N) return EOF; | |
| if (eol) return eol = false, EOL; | |
| var j = I; | |
| if (text.charCodeAt(j) === 34) { | |
| var i = j; | |
| while (i++ < N) { | |
| if (text.charCodeAt(i) === 34) { | |
| if (text.charCodeAt(i + 1) !== 34) break; | |
| ++i; | |
| } | |
| } | |
| I = i + 2; | |
| var c = text.charCodeAt(i + 1); | |
| if (c === 13) { | |
| eol = true; | |
| if (text.charCodeAt(i + 2) === 10) ++I; | |
| } else if (c === 10) { | |
| eol = true; | |
| } | |
| return text.substring(j + 1, i).replace(/""/g, '"'); | |
| } | |
| while (I < N) { | |
| var c = text.charCodeAt(I++), k = 1; | |
| if (c === 10) eol = true; else if (c === 13) { | |
| eol = true; | |
| if (text.charCodeAt(I) === 10) ++I, ++k; | |
| } else if (c !== delimiterCode) continue; | |
| return text.substring(j, I - k); | |
| } | |
| return text.substring(j); | |
| } | |
| while ((t = token()) !== EOF) { | |
| var a = []; | |
| while (t !== EOL && t !== EOF) { | |
| a.push(t); | |
| t = token(); | |
| } | |
| if (f && !(a = f(a, n++))) continue; | |
| rows.push(a); | |
| } | |
| return rows; | |
| }; | |
| dsv.format = function(rows) { | |
| if (Array.isArray(rows[0])) return dsv.formatRows(rows); | |
| var fieldSet = new d3_Set(), fields = []; | |
| rows.forEach(function(row) { | |
| for (var field in row) { | |
| if (!fieldSet.has(field)) { | |
| fields.push(fieldSet.add(field)); | |
| } | |
| } | |
| }); | |
| return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) { | |
| return fields.map(function(field) { | |
| return formatValue(row[field]); | |
| }).join(delimiter); | |
| })).join("\n"); | |
| }; | |
| dsv.formatRows = function(rows) { | |
| return rows.map(formatRow).join("\n"); | |
| }; | |
| function formatRow(row) { | |
| return row.map(formatValue).join(delimiter); | |
| } | |
| function formatValue(text) { | |
| return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text; | |
| } | |
| return dsv; | |
| }; | |
| d3.csv = d3.dsv(",", "text/csv"); | |
| d3.tsv = d3.dsv(" ", "text/tab-separated-values"); | |
| var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = d3_window[d3_vendorSymbol(d3_window, "requestAnimationFrame")] || function(callback) { | |
| setTimeout(callback, 17); | |
| }; | |
| d3.timer = function(callback, delay, then) { | |
| var n = arguments.length; | |
| if (n < 2) delay = 0; | |
| if (n < 3) then = Date.now(); | |
| var time = then + delay, timer = { | |
| callback: callback, | |
| time: time, | |
| next: null | |
| }; | |
| if (d3_timer_queueTail) d3_timer_queueTail.next = timer; else d3_timer_queueHead = timer; | |
| d3_timer_queueTail = timer; | |
| 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 now = d3_timer_mark(), delay = d3_timer_sweep() - 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() { | |
| d3_timer_mark(); | |
| d3_timer_sweep(); | |
| }; | |
| function d3_timer_replace(callback, delay, then) { | |
| var n = arguments.length; | |
| if (n < 2) delay = 0; | |
| if (n < 3) then = Date.now(); | |
| d3_timer_active.callback = callback; | |
| d3_timer_active.time = then + delay; | |
| } | |
| function d3_timer_mark() { | |
| var now = Date.now(); | |
| d3_timer_active = d3_timer_queueHead; | |
| while (d3_timer_active) { | |
| if (now >= d3_timer_active.time) d3_timer_active.flush = d3_timer_active.callback(now - d3_timer_active.time); | |
| d3_timer_active = d3_timer_active.next; | |
| } | |
| return now; | |
| } | |
| function d3_timer_sweep() { | |
| var t0, t1 = d3_timer_queueHead, time = Infinity; | |
| while (t1) { | |
| if (t1.flush) { | |
| t1 = t0 ? t0.next = t1.next : d3_timer_queueHead = t1.next; | |
| } else { | |
| if (t1.time < time) time = t1.time; | |
| t1 = (t0 = t1).next; | |
| } | |
| } | |
| d3_timer_queueTail = t0; | |
| return time; | |
| } | |
| var d3_format_decimalPoint = ".", d3_format_thousandsSeparator = ",", d3_format_grouping = [ 3, 3 ], d3_format_currencySymbol = "$"; | |
| 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) { | |
| var k = Math.pow(10, Math.abs(8 - i) * 3); | |
| return { | |
| scale: i > 8 ? function(d) { | |
| return d / k; | |
| } : function(d) { | |
| return d * k; | |
| }, | |
| symbol: d | |
| }; | |
| } | |
| d3.round = function(x, n) { | |
| return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x); | |
| }; | |
| d3.format = function(specifier) { | |
| var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "", symbol = match[4] || "", 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" && align === "=") { | |
| zfill = fill = "0"; | |
| 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 "b": | |
| case "o": | |
| case "x": | |
| case "X": | |
| if (symbol === "#") symbol = "0" + type.toLowerCase(); | |
| case "c": | |
| case "d": | |
| integer = true; | |
| precision = 0; | |
| break; | |
| case "s": | |
| scale = -1; | |
| type = "r"; | |
| break; | |
| } | |
| if (symbol === "#") symbol = ""; else if (symbol === "$") symbol = d3_format_currencySymbol; | |
| if (type == "r" && !precision) type = "g"; | |
| if (precision != null) { | |
| if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision)); | |
| } | |
| type = d3_format_types.get(type) || d3_format_typeDefault; | |
| var zcomma = zfill && comma; | |
| return function(value) { | |
| if (integer && value % 1) return ""; | |
| var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign; | |
| if (scale < 0) { | |
| var prefix = d3.formatPrefix(value, precision); | |
| value = prefix.scale(value); | |
| suffix = prefix.symbol; | |
| } else { | |
| value *= scale; | |
| } | |
| value = type(value, precision); | |
| var i = value.lastIndexOf("."), before = i < 0 ? value : value.substring(0, i), after = i < 0 ? "" : d3_format_decimalPoint + value.substring(i + 1); | |
| if (!zfill && comma) before = d3_format_group(before); | |
| var length = symbol.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : ""; | |
| if (zcomma) before = d3_format_group(padding + before); | |
| negative += symbol; | |
| value = before + after; | |
| return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + suffix; | |
| }; | |
| }; | |
| var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i; | |
| var d3_format_types = d3.map({ | |
| b: function(x) { | |
| return x.toString(2); | |
| }, | |
| c: function(x) { | |
| return String.fromCharCode(x); | |
| }, | |
| o: function(x) { | |
| return x.toString(8); | |
| }, | |
| x: function(x) { | |
| return x.toString(16); | |
| }, | |
| X: function(x) { | |
| return x.toString(16).toUpperCase(); | |
| }, | |
| 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 (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p)))); | |
| } | |
| }); | |
| function d3_format_precision(x, p) { | |
| return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1); | |
| } | |
| function d3_format_typeDefault(x) { | |
| return x + ""; | |
| } | |
| var d3_format_group = d3_identity; | |
| if (d3_format_grouping) { | |
| var d3_format_groupingLength = d3_format_grouping.length; | |
| d3_format_group = function(value) { | |
| var i = value.length, t = [], j = 0, g = d3_format_grouping[0]; | |
| while (i > 0 && g > 0) { | |
| t.push(value.substring(i -= g, i + g)); | |
| g = d3_format_grouping[j = (j + 1) % d3_format_groupingLength]; | |
| } | |
| return t.reverse().join(d3_format_thousandsSeparator); | |
| }; | |
| } | |
| d3.geo = {}; | |
| function d3_adder() {} | |
| d3_adder.prototype = { | |
| s: 0, | |
| t: 0, | |
| add: function(y) { | |
| d3_adderSum(y, this.t, d3_adderTemp); | |
| d3_adderSum(d3_adderTemp.s, this.s, this); | |
| if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t; | |
| }, | |
| reset: function() { | |
| this.s = this.t = 0; | |
| }, | |
| valueOf: function() { | |
| return this.s; | |
| } | |
| }; | |
| var d3_adderTemp = new d3_adder(); | |
| function d3_adderSum(a, b, o) { | |
| var x = o.s = a + b, bv = x - a, av = x - bv; | |
| o.t = a - av + (b - bv); | |
| } | |
| d3.geo.stream = function(object, listener) { | |
| if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) { | |
| d3_geo_streamObjectType[object.type](object, listener); | |
| } else { | |
| d3_geo_streamGeometry(object, listener); | |
| } | |
| }; | |
| function d3_geo_streamGeometry(geometry, listener) { | |
| if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) { | |
| d3_geo_streamGeometryType[geometry.type](geometry, listener); | |
| } | |
| } | |
| var d3_geo_streamObjectType = { | |
| Feature: function(feature, listener) { | |
| d3_geo_streamGeometry(feature.geometry, listener); | |
| }, | |
| FeatureCollection: function(object, listener) { | |
| var features = object.features, i = -1, n = features.length; | |
| while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener); | |
| } | |
| }; | |
| var d3_geo_streamGeometryType = { | |
| Sphere: function(object, listener) { | |
| listener.sphere(); | |
| }, | |
| Point: function(object, listener) { | |
| var coordinate = object.coordinates; | |
| listener.point(coordinate[0], coordinate[1]); | |
| }, | |
| MultiPoint: function(object, listener) { | |
| var coordinates = object.coordinates, i = -1, n = coordinates.length, coordinate; | |
| while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]); | |
| }, | |
| LineString: function(object, listener) { | |
| d3_geo_streamLine(object.coordinates, listener, 0); | |
| }, | |
| MultiLineString: function(object, listener) { | |
| var coordinates = object.coordinates, i = -1, n = coordinates.length; | |
| while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0); | |
| }, | |
| Polygon: function(object, listener) { | |
| d3_geo_streamPolygon(object.coordinates, listener); | |
| }, | |
| MultiPolygon: function(object, listener) { | |
| var coordinates = object.coordinates, i = -1, n = coordinates.length; | |
| while (++i < n) d3_geo_streamPolygon(coordinates[i], listener); | |
| }, | |
| GeometryCollection: function(object, listener) { | |
| var geometries = object.geometries, i = -1, n = geometries.length; | |
| while (++i < n) d3_geo_streamGeometry(geometries[i], listener); | |
| } | |
| }; | |
| function d3_geo_streamLine(coordinates, listener, closed) { | |
| var i = -1, n = coordinates.length - closed, coordinate; | |
| listener.lineStart(); | |
| while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]); | |
| listener.lineEnd(); | |
| } | |
| function d3_geo_streamPolygon(coordinates, listener) { | |
| var i = -1, n = coordinates.length; | |
| listener.polygonStart(); | |
| while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1); | |
| listener.polygonEnd(); | |
| } | |
| d3.geo.area = function(object) { | |
| d3_geo_areaSum = 0; | |
| d3.geo.stream(object, d3_geo_area); | |
| return d3_geo_areaSum; | |
| }; | |
| var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder(); | |
| var d3_geo_area = { | |
| sphere: function() { | |
| d3_geo_areaSum += 4 * π; | |
| }, | |
| point: d3_noop, | |
| lineStart: d3_noop, | |
| lineEnd: d3_noop, | |
| polygonStart: function() { | |
| d3_geo_areaRingSum.reset(); | |
| d3_geo_area.lineStart = d3_geo_areaRingStart; | |
| }, | |
| polygonEnd: function() { | |
| var area = 2 * d3_geo_areaRingSum; | |
| d3_geo_areaSum += area < 0 ? 4 * π + area : area; | |
| d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop; | |
| } | |
| }; | |
| function d3_geo_areaRingStart() { | |
| var λ00, φ00, λ0, cosφ0, sinφ0; | |
| d3_geo_area.point = function(λ, φ) { | |
| d3_geo_area.point = nextPoint; | |
| λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), | |
| sinφ0 = Math.sin(φ); | |
| }; | |
| function nextPoint(λ, φ) { | |
| λ *= d3_radians; | |
| φ = φ * d3_radians / 2 + π / 4; | |
| var dλ = λ - λ0, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(dλ), v = k * Math.sin(dλ); | |
| d3_geo_areaRingSum.add(Math.atan2(v, u)); | |
| λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ; | |
| } | |
| d3_geo_area.lineEnd = function() { | |
| nextPoint(λ00, φ00); | |
| }; | |
| } | |
| function d3_geo_cartesian(spherical) { | |
| var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ); | |
| return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ]; | |
| } | |
| function d3_geo_cartesianDot(a, b) { | |
| return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; | |
| } | |
| function d3_geo_cartesianCross(a, b) { | |
| return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ]; | |
| } | |
| function d3_geo_cartesianAdd(a, b) { | |
| a[0] += b[0]; | |
| a[1] += b[1]; | |
| a[2] += b[2]; | |
| } | |
| function d3_geo_cartesianScale(vector, k) { | |
| return [ vector[0] * k, vector[1] * k, vector[2] * k ]; | |
| } | |
| function d3_geo_cartesianNormalize(d) { | |
| var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); | |
| d[0] /= l; | |
| d[1] /= l; | |
| d[2] /= l; | |
| } | |
| function d3_geo_spherical(cartesian) { | |
| return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ]; | |
| } | |
| function d3_geo_sphericalEqual(a, b) { | |
| return Math.abs(a[0] - b[0]) < ε && Math.abs(a[1] - b[1]) < ε; | |
| } | |
| d3.geo.bounds = function() { | |
| var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range; | |
| var bound = { | |
| point: point, | |
| lineStart: lineStart, | |
| lineEnd: lineEnd, | |
| polygonStart: function() { | |
| bound.point = ringPoint; | |
| bound.lineStart = ringStart; | |
| bound.lineEnd = ringEnd; | |
| dλSum = 0; | |
| d3_geo_area.polygonStart(); | |
| }, | |
| polygonEnd: function() { | |
| d3_geo_area.polygonEnd(); | |
| bound.point = point; | |
| bound.lineStart = lineStart; | |
| bound.lineEnd = lineEnd; | |
| if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90; | |
| range[0] = λ0, range[1] = λ1; | |
| } | |
| }; | |
| function point(λ, φ) { | |
| ranges.push(range = [ λ0 = λ, λ1 = λ ]); | |
| if (φ < φ0) φ0 = φ; | |
| if (φ > φ1) φ1 = φ; | |
| } | |
| function linePoint(λ, φ) { | |
| var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]); | |
| if (p0) { | |
| var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal); | |
| d3_geo_cartesianNormalize(inflection); | |
| inflection = d3_geo_spherical(inflection); | |
| var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = Math.abs(dλ) > 180; | |
| if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) { | |
| var φi = inflection[1] * d3_degrees; | |
| if (φi > φ1) φ1 = φi; | |
| } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) { | |
| var φi = -inflection[1] * d3_degrees; | |
| if (φi < φ0) φ0 = φi; | |
| } else { | |
| if (φ < φ0) φ0 = φ; | |
| if (φ > φ1) φ1 = φ; | |
| } | |
| if (antimeridian) { | |
| if (λ < λ_) { | |
| if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; | |
| } else { | |
| if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; | |
| } | |
| } else { | |
| if (λ1 >= λ0) { | |
| if (λ < λ0) λ0 = λ; | |
| if (λ > λ1) λ1 = λ; | |
| } else { | |
| if (λ > λ_) { | |
| if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; | |
| } else { | |
| if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; | |
| } | |
| } | |
| } | |
| } else { | |
| point(λ, φ); | |
| } | |
| p0 = p, λ_ = λ; | |
| } | |
| function lineStart() { | |
| bound.point = linePoint; | |
| } | |
| function lineEnd() { | |
| range[0] = λ0, range[1] = λ1; | |
| bound.point = point; | |
| p0 = null; | |
| } | |
| function ringPoint(λ, φ) { | |
| if (p0) { | |
| var dλ = λ - λ_; | |
| dλSum += Math.abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ; | |
| } else λ__ = λ, φ__ = φ; | |
| d3_geo_area.point(λ, φ); | |
| linePoint(λ, φ); | |
| } | |
| function ringStart() { | |
| d3_geo_area.lineStart(); | |
| } | |
| function ringEnd() { | |
| ringPoint(λ__, φ__); | |
| d3_geo_area.lineEnd(); | |
| if (Math.abs(dλSum) > ε) λ0 = -(λ1 = 180); | |
| range[0] = λ0, range[1] = λ1; | |
| p0 = null; | |
| } | |
| function angle(λ0, λ1) { | |
| return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1; | |
| } | |
| function compareRanges(a, b) { | |
| return a[0] - b[0]; | |
| } | |
| function withinRange(x, range) { | |
| return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; | |
| } | |
| return function(feature) { | |
| φ1 = λ1 = -(λ0 = φ0 = Infinity); | |
| ranges = []; | |
| d3.geo.stream(feature, bound); | |
| var n = ranges.length; | |
| if (n) { | |
| ranges.sort(compareRanges); | |
| for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) { | |
| b = ranges[i]; | |
| if (withinRange(b[0], a) || withinRange(b[1], a)) { | |
| if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; | |
| if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; | |
| } else { | |
| merged.push(a = b); | |
| } | |
| } | |
| var best = -Infinity, dλ; | |
| for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) { | |
| b = merged[i]; | |
| if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1]; | |
| } | |
| } | |
| ranges = range = null; | |
| return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ]; | |
| }; | |
| }(); | |
| d3.geo.centroid = function(object) { | |
| d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; | |
| d3.geo.stream(object, d3_geo_centroid); | |
| var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z; | |
| if (m < ε2) { | |
| x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1; | |
| if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0; | |
| m = x * x + y * y + z * z; | |
| if (m < ε2) return [ NaN, NaN ]; | |
| } | |
| return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ]; | |
| }; | |
| var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2; | |
| var d3_geo_centroid = { | |
| sphere: d3_noop, | |
| point: d3_geo_centroidPoint, | |
| lineStart: d3_geo_centroidLineStart, | |
| lineEnd: d3_geo_centroidLineEnd, | |
| polygonStart: function() { | |
| d3_geo_centroid.lineStart = d3_geo_centroidRingStart; | |
| }, | |
| polygonEnd: function() { | |
| d3_geo_centroid.lineStart = d3_geo_centroidLineStart; | |
| } | |
| }; | |
| function d3_geo_centroidPoint(λ, φ) { | |
| λ *= d3_radians; | |
| var cosφ = Math.cos(φ *= d3_radians); | |
| d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ)); | |
| } | |
| function d3_geo_centroidPointXYZ(x, y, z) { | |
| ++d3_geo_centroidW0; | |
| d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0; | |
| d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0; | |
| d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0; | |
| } | |
| function d3_geo_centroidLineStart() { | |
| var x0, y0, z0; | |
| d3_geo_centroid.point = function(λ, φ) { | |
| λ *= d3_radians; | |
| var cosφ = Math.cos(φ *= d3_radians); | |
| x0 = cosφ * Math.cos(λ); | |
| y0 = cosφ * Math.sin(λ); | |
| z0 = Math.sin(φ); | |
| d3_geo_centroid.point = nextPoint; | |
| d3_geo_centroidPointXYZ(x0, y0, z0); | |
| }; | |
| function nextPoint(λ, φ) { | |
| λ *= d3_radians; | |
| var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); | |
| d3_geo_centroidW1 += w; | |
| d3_geo_centroidX1 += w * (x0 + (x0 = x)); | |
| d3_geo_centroidY1 += w * (y0 + (y0 = y)); | |
| d3_geo_centroidZ1 += w * (z0 + (z0 = z)); | |
| d3_geo_centroidPointXYZ(x0, y0, z0); | |
| } | |
| } | |
| function d3_geo_centroidLineEnd() { | |
| d3_geo_centroid.point = d3_geo_centroidPoint; | |
| } | |
| function d3_geo_centroidRingStart() { | |
| var λ00, φ00, x0, y0, z0; | |
| d3_geo_centroid.point = function(λ, φ) { | |
| λ00 = λ, φ00 = φ; | |
| d3_geo_centroid.point = nextPoint; | |
| λ *= d3_radians; | |
| var cosφ = Math.cos(φ *= d3_radians); | |
| x0 = cosφ * Math.cos(λ); | |
| y0 = cosφ * Math.sin(λ); | |
| z0 = Math.sin(φ); | |
| d3_geo_centroidPointXYZ(x0, y0, z0); | |
| }; | |
| d3_geo_centroid.lineEnd = function() { | |
| nextPoint(λ00, φ00); | |
| d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd; | |
| d3_geo_centroid.point = d3_geo_centroidPoint; | |
| }; | |
| function nextPoint(λ, φ) { | |
| λ *= d3_radians; | |
| var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u); | |
| d3_geo_centroidX2 += v * cx; | |
| d3_geo_centroidY2 += v * cy; | |
| d3_geo_centroidZ2 += v * cz; | |
| d3_geo_centroidW1 += w; | |
| d3_geo_centroidX1 += w * (x0 + (x0 = x)); | |
| d3_geo_centroidY1 += w * (y0 + (y0 = y)); | |
| d3_geo_centroidZ1 += w * (z0 + (z0 = z)); | |
| d3_geo_centroidPointXYZ(x0, y0, z0); | |
| } | |
| } | |
| function d3_true() { | |
| return true; | |
| } | |
| function d3_geo_clipPolygon(segments, compare, inside, interpolate, listener) { | |
| var subject = [], clip = []; | |
| segments.forEach(function(segment) { | |
| if ((n = segment.length - 1) <= 0) return; | |
| var n, p0 = segment[0], p1 = segment[n]; | |
| if (d3_geo_sphericalEqual(p0, p1)) { | |
| listener.lineStart(); | |
| for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]); | |
| listener.lineEnd(); | |
| return; | |
| } | |
| var a = { | |
| point: p0, | |
| points: segment, | |
| other: null, | |
| visited: false, | |
| entry: true, | |
| subject: true | |
| }, b = { | |
| point: p0, | |
| points: [ p0 ], | |
| other: a, | |
| visited: false, | |
| entry: false, | |
| subject: false | |
| }; | |
| a.other = b; | |
| subject.push(a); | |
| clip.push(b); | |
| a = { | |
| point: p1, | |
| points: [ p1 ], | |
| other: null, | |
| visited: false, | |
| entry: false, | |
| subject: true | |
| }; | |
| b = { | |
| point: p1, | |
| points: [ p1 ], | |
| other: a, | |
| visited: false, | |
| entry: true, | |
| subject: false | |
| }; | |
| a.other = b; | |
| subject.push(a); | |
| clip.push(b); | |
| }); | |
| clip.sort(compare); | |
| d3_geo_clipPolygonLinkCircular(subject); | |
| d3_geo_clipPolygonLinkCircular(clip); | |
| if (!subject.length) return; | |
| if (inside) for (var i = 1, e = !inside(clip[0].point), n = clip.length; i < n; ++i) { | |
| clip[i].entry = e = !e; | |
| } | |
| var start = subject[0], current, points, point; | |
| while (1) { | |
| current = start; | |
| while (current.visited) if ((current = current.next) === start) return; | |
| points = current.points; | |
| listener.lineStart(); | |
| do { | |
| current.visited = current.other.visited = true; | |
| if (current.entry) { | |
| if (current.subject) { | |
| for (var i = 0; i < points.length; i++) listener.point((point = points[i])[0], point[1]); | |
| } else { | |
| interpolate(current.point, current.next.point, 1, listener); | |
| } | |
| current = current.next; | |
| } else { | |
| if (current.subject) { | |
| points = current.prev.points; | |
| for (var i = points.length; --i >= 0; ) listener.point((point = points[i])[0], point[1]); | |
| } else { | |
| interpolate(current.point, current.prev.point, -1, listener); | |
| } | |
| current = current.prev; | |
| } | |
| current = current.other; | |
| points = current.points; | |
| } while (!current.visited); | |
| listener.lineEnd(); | |
| } | |
| } | |
| function d3_geo_clipPolygonLinkCircular(array) { | |
| if (!(n = array.length)) return; | |
| var n, i = 0, a = array[0], b; | |
| while (++i < n) { | |
| a.next = b = array[i]; | |
| b.prev = a; | |
| a = b; | |
| } | |
| a.next = b = array[0]; | |
| b.prev = a; | |
| } | |
| function d3_geo_clip(pointVisible, clipLine, interpolate, polygonContains) { | |
| return function(listener) { | |
| var line = clipLine(listener); | |
| var clip = { | |
| point: point, | |
| lineStart: lineStart, | |
| lineEnd: lineEnd, | |
| polygonStart: function() { | |
| clip.point = pointRing; | |
| clip.lineStart = ringStart; | |
| clip.lineEnd = ringEnd; | |
| segments = []; | |
| polygon = []; | |
| listener.polygonStart(); | |
| }, | |
| polygonEnd: function() { | |
| clip.point = point; | |
| clip.lineStart = lineStart; | |
| clip.lineEnd = lineEnd; | |
| segments = d3.merge(segments); | |
| if (segments.length) { | |
| d3_geo_clipPolygon(segments, d3_geo_clipSort, null, interpolate, listener); | |
| } else if (polygonContains(polygon)) { | |
| listener.lineStart(); | |
| interpolate(null, null, 1, listener); | |
| listener.lineEnd(); | |
| } | |
| listener.polygonEnd(); | |
| segments = polygon = null; | |
| }, | |
| sphere: function() { | |
| listener.polygonStart(); | |
| listener.lineStart(); | |
| interpolate(null, null, 1, listener); | |
| listener.lineEnd(); | |
| listener.polygonEnd(); | |
| } | |
| }; | |
| function point(λ, φ) { | |
| if (pointVisible(λ, φ)) listener.point(λ, φ); | |
| } | |
| function pointLine(λ, φ) { | |
| line.point(λ, φ); | |
| } | |
| function lineStart() { | |
| clip.point = pointLine; | |
| line.lineStart(); | |
| } | |
| function lineEnd() { | |
| clip.point = point; | |
| line.lineEnd(); | |
| } | |
| var segments; | |
| var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygon, ring; | |
| function pointRing(λ, φ) { | |
| ringListener.point(λ, φ); | |
| ring.push([ λ, φ ]); | |
| } | |
| function ringStart() { | |
| ringListener.lineStart(); | |
| ring = []; | |
| } | |
| function ringEnd() { | |
| pointRing(ring[0][0], ring[0][1]); | |
| ringListener.lineEnd(); | |
| var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length; | |
| ring.pop(); | |
| polygon.push(ring); | |
| ring = null; | |
| if (!n) return; | |
| if (clean & 1) { | |
| segment = ringSegments[0]; | |
| var n = segment.length - 1, i = -1, point; | |
| listener.lineStart(); | |
| while (++i < n) listener.point((point = segment[i])[0], point[1]); | |
| listener.lineEnd(); | |
| return; | |
| } | |
| if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); | |
| segments.push(ringSegments.filter(d3_geo_clipSegmentLength1)); | |
| } | |
| return clip; | |
| }; | |
| } | |
| function d3_geo_clipSegmentLength1(segment) { | |
| return segment.length > 1; | |
| } | |
| function d3_geo_clipBufferListener() { | |
| var lines = [], line; | |
| return { | |
| lineStart: function() { | |
| lines.push(line = []); | |
| }, | |
| point: function(λ, φ) { | |
| line.push([ λ, φ ]); | |
| }, | |
| lineEnd: d3_noop, | |
| buffer: function() { | |
| var buffer = lines; | |
| lines = []; | |
| line = null; | |
| return buffer; | |
| }, | |
| rejoin: function() { | |
| if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); | |
| } | |
| }; | |
| } | |
| function d3_geo_clipSort(a, b) { | |
| return ((a = a.point)[0] < 0 ? a[1] - π / 2 - ε : π / 2 - a[1]) - ((b = b.point)[0] < 0 ? b[1] - π / 2 - ε : π / 2 - b[1]); | |
| } | |
| function d3_geo_pointInPolygon(point, polygon) { | |
| var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, polar = false, southPole = false, winding = 0; | |
| d3_geo_areaRingSum.reset(); | |
| for (var i = 0, n = polygon.length; i < n; ++i) { | |
| var ring = polygon[i], m = ring.length; | |
| if (!m) continue; | |
| var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1; | |
| while (true) { | |
| if (j === m) j = 0; | |
| point = ring[j]; | |
| var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, antimeridian = Math.abs(dλ) > π, k = sinφ0 * sinφ; | |
| d3_geo_areaRingSum.add(Math.atan2(k * Math.sin(dλ), cosφ0 * cosφ + k * Math.cos(dλ))); | |
| if (Math.abs(φ) < ε) southPole = true; | |
| polarAngle += antimeridian ? dλ + (dλ >= 0 ? 2 : -2) * π : dλ; | |
| if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) { | |
| var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point)); | |
| d3_geo_cartesianNormalize(arc); | |
| var intersection = d3_geo_cartesianCross(meridianNormal, arc); | |
| d3_geo_cartesianNormalize(intersection); | |
| var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]); | |
| if (parallel > φarc) { | |
| winding += antimeridian ^ dλ >= 0 ? 1 : -1; | |
| } | |
| } | |
| if (!j++) break; | |
| λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point; | |
| } | |
| if (Math.abs(polarAngle) > ε) polar = true; | |
| } | |
| return (!southPole && !polar && d3_geo_areaRingSum < 0 || polarAngle < -ε) ^ winding & 1; | |
| } | |
| var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, d3_geo_clipAntimeridianPolygonContains); | |
| function d3_geo_clipAntimeridianLine(listener) { | |
| var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean; | |
| return { | |
| lineStart: function() { | |
| listener.lineStart(); | |
| clean = 1; | |
| }, | |
| point: function(λ1, φ1) { | |
| var sλ1 = λ1 > 0 ? π : -π, dλ = Math.abs(λ1 - λ0); | |
| if (Math.abs(dλ - π) < ε) { | |
| listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? π / 2 : -π / 2); | |
| listener.point(sλ0, φ0); | |
| listener.lineEnd(); | |
| listener.lineStart(); | |
| listener.point(sλ1, φ0); | |
| listener.point(λ1, φ0); | |
| clean = 0; | |
| } else if (sλ0 !== sλ1 && dλ >= π) { | |
| if (Math.abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε; | |
| if (Math.abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε; | |
| φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1); | |
| listener.point(sλ0, φ0); | |
| listener.lineEnd(); | |
| listener.lineStart(); | |
| listener.point(sλ1, φ0); | |
| clean = 0; | |
| } | |
| listener.point(λ0 = λ1, φ0 = φ1); | |
| sλ0 = sλ1; | |
| }, | |
| lineEnd: function() { | |
| listener.lineEnd(); | |
| λ0 = φ0 = NaN; | |
| }, | |
| clean: function() { | |
| return 2 - clean; | |
| } | |
| }; | |
| } | |
| function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) { | |
| var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1); | |
| return Math.abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2; | |
| } | |
| function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) { | |
| var φ; | |
| if (from == null) { | |
| φ = direction * π / 2; | |
| listener.point(-π, φ); | |
| listener.point(0, φ); | |
| listener.point(π, φ); | |
| listener.point(π, 0); | |
| listener.point(π, -φ); | |
| listener.point(0, -φ); | |
| listener.point(-π, -φ); | |
| listener.point(-π, 0); | |
| listener.point(-π, φ); | |
| } else if (Math.abs(from[0] - to[0]) > ε) { | |
| var s = (from[0] < to[0] ? 1 : -1) * π; | |
| φ = direction * s / 2; | |
| listener.point(-s, φ); | |
| listener.point(0, φ); | |
| listener.point(s, φ); | |
| } else { | |
| listener.point(to[0], to[1]); | |
| } | |
| } | |
| var d3_geo_clipAntimeridianPoint = [ -π, 0 ]; | |
| function d3_geo_clipAntimeridianPolygonContains(polygon) { | |
| return d3_geo_pointInPolygon(d3_geo_clipAntimeridianPoint, polygon); | |
| } | |
| function d3_geo_clipCircle(radius) { | |
| var cr = Math.cos(radius), smallRadius = cr > 0, point = [ radius, 0 ], notHemisphere = Math.abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians); | |
| return d3_geo_clip(visible, clipLine, interpolate, polygonContains); | |
| function visible(λ, φ) { | |
| return Math.cos(λ) * Math.cos(φ) > cr; | |
| } | |
| function clipLine(listener) { | |
| var point0, c0, v0, v00, clean; | |
| return { | |
| lineStart: function() { | |
| v00 = v0 = false; | |
| clean = 1; | |
| }, | |
| point: function(λ, φ) { | |
| var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0; | |
| if (!point0 && (v00 = v0 = v)) listener.lineStart(); | |
| if (v !== v0) { | |
| point2 = intersect(point0, point1); | |
| if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) { | |
| point1[0] += ε; | |
| point1[1] += ε; | |
| v = visible(point1[0], point1[1]); | |
| } | |
| } | |
| if (v !== v0) { | |
| clean = 0; | |
| if (v) { | |
| listener.lineStart(); | |
| point2 = intersect(point1, point0); | |
| listener.point(point2[0], point2[1]); | |
| } else { | |
| point2 = intersect(point0, point1); | |
| listener.point(point2[0], point2[1]); | |
| listener.lineEnd(); | |
| } | |
| point0 = point2; | |
| } else if (notHemisphere && point0 && smallRadius ^ v) { | |
| var t; | |
| if (!(c & c0) && (t = intersect(point1, point0, true))) { | |
| clean = 0; | |
| if (smallRadius) { | |
| listener.lineStart(); | |
| listener.point(t[0][0], t[0][1]); | |
| listener.point(t[1][0], t[1][1]); | |
| listener.lineEnd(); | |
| } else { | |
| listener.point(t[1][0], t[1][1]); | |
| listener.lineEnd(); | |
| listener.lineStart(); | |
| listener.point(t[0][0], t[0][1]); | |
| } | |
| } | |
| } | |
| if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) { | |
| listener.point(point1[0], point1[1]); | |
| } | |
| point0 = point1, v0 = v, c0 = c; | |
| }, | |
| lineEnd: function() { | |
| if (v0) listener.lineEnd(); | |
| point0 = null; | |
| }, | |
| clean: function() { | |
| return clean | (v00 && v0) << 1; | |
| } | |
| }; | |
| } | |
| function intersect(a, b, two) { | |
| var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b); | |
| var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2; | |
| if (!determinant) return !two && a; | |
| var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2); | |
| d3_geo_cartesianAdd(A, B); | |
| var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1); | |
| if (t2 < 0) return; | |
| var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu); | |
| d3_geo_cartesianAdd(q, A); | |
| q = d3_geo_spherical(q); | |
| if (!two) return q; | |
| var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z; | |
| if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z; | |
| var δλ = λ1 - λ0, polar = Math.abs(δλ - π) < ε, meridian = polar || δλ < ε; | |
| if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z; | |
| if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (Math.abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) { | |
| var q1 = d3_geo_cartesianScale(u, (-w + t) / uu); | |
| d3_geo_cartesianAdd(q1, A); | |
| return [ q, d3_geo_spherical(q1) ]; | |
| } | |
| } | |
| function code(λ, φ) { | |
| var r = smallRadius ? radius : π - radius, code = 0; | |
| if (λ < -r) code |= 1; else if (λ > r) code |= 2; | |
| if (φ < -r) code |= 4; else if (φ > r) code |= 8; | |
| return code; | |
| } | |
| function polygonContains(polygon) { | |
| return d3_geo_pointInPolygon(point, polygon); | |
| } | |
| } | |
| var d3_geo_clipViewMAX = 1e9; | |
| function d3_geo_clipView(x0, y0, x1, y1) { | |
| return function(listener) { | |
| var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), segments, polygon, ring; | |
| var clip = { | |
| point: point, | |
| lineStart: lineStart, | |
| lineEnd: lineEnd, | |
| polygonStart: function() { | |
| listener = bufferListener; | |
| segments = []; | |
| polygon = []; | |
| }, | |
| polygonEnd: function() { | |
| listener = listener_; | |
| if ((segments = d3.merge(segments)).length) { | |
| listener.polygonStart(); | |
| d3_geo_clipPolygon(segments, compare, inside, interpolate, listener); | |
| listener.polygonEnd(); | |
| } else if (insidePolygon([ x0, y0 ])) { | |
| listener.polygonStart(), listener.lineStart(); | |
| interpolate(null, null, 1, listener); | |
| listener.lineEnd(), listener.polygonEnd(); | |
| } | |
| segments = polygon = ring = null; | |
| } | |
| }; | |
| function inside(point) { | |
| var a = corner(point, -1), i = insidePolygon([ a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0 ]); | |
| return i; | |
| } | |
| function insidePolygon(p) { | |
| var wn = 0, n = polygon.length, y = p[1]; | |
| for (var i = 0; i < n; ++i) { | |
| for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) { | |
| b = v[j]; | |
| if (a[1] <= y) { | |
| if (b[1] > y && isLeft(a, b, p) > 0) ++wn; | |
| } else { | |
| if (b[1] <= y && isLeft(a, b, p) < 0) --wn; | |
| } | |
| a = b; | |
| } | |
| } | |
| return wn !== 0; | |
| } | |
| function isLeft(a, b, c) { | |
| return (b[0] - a[0]) * (c[1] - a[1]) - (c[0] - a[0]) * (b[1] - a[1]); | |
| } | |
| function interpolate(from, to, direction, listener) { | |
| var a = 0, a1 = 0; | |
| if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) { | |
| do { | |
| listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); | |
| } while ((a = (a + direction + 4) % 4) !== a1); | |
| } else { | |
| listener.point(to[0], to[1]); | |
| } | |
| } | |
| function visible(x, y) { | |
| return x0 <= x && x <= x1 && y0 <= y && y <= y1; | |
| } | |
| function point(x, y) { | |
| if (visible(x, y)) listener.point(x, y); | |
| } | |
| var x__, y__, v__, x_, y_, v_, first; | |
| function lineStart() { | |
| clip.point = linePoint; | |
| if (polygon) polygon.push(ring = []); | |
| first = true; | |
| v_ = false; | |
| x_ = y_ = NaN; | |
| } | |
| function lineEnd() { | |
| if (segments) { | |
| linePoint(x__, y__); | |
| if (v__ && v_) bufferListener.rejoin(); | |
| segments.push(bufferListener.buffer()); | |
| } | |
| clip.point = point; | |
| if (v_) listener.lineEnd(); | |
| } | |
| function linePoint(x, y) { | |
| x = Math.max(-d3_geo_clipViewMAX, Math.min(d3_geo_clipViewMAX, x)); | |
| y = Math.max(-d3_geo_clipViewMAX, Math.min(d3_geo_clipViewMAX, y)); | |
| var v = visible(x, y); | |
| if (polygon) ring.push([ x, y ]); | |
| if (first) { | |
| x__ = x, y__ = y, v__ = v; | |
| first = false; | |
| if (v) { | |
| listener.lineStart(); | |
| listener.point(x, y); | |
| } | |
| } else { | |
| if (v && v_) listener.point(x, y); else { | |
| var a = [ x_, y_ ], b = [ x, y ]; | |
| if (clipLine(a, b)) { | |
| if (!v_) { | |
| listener.lineStart(); | |
| listener.point(a[0], a[1]); | |
| } | |
| listener.point(b[0], b[1]); | |
| if (!v) listener.lineEnd(); | |
| } else if (v) { | |
| listener.lineStart(); | |
| listener.point(x, y); | |
| } | |
| } | |
| } | |
| x_ = x, y_ = y, v_ = v; | |
| } | |
| return clip; | |
| }; | |
| function corner(p, direction) { | |
| return Math.abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : Math.abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : Math.abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2; | |
| } | |
| function compare(a, b) { | |
| return comparePoints(a.point, b.point); | |
| } | |
| function comparePoints(a, b) { | |
| var ca = corner(a, 1), cb = corner(b, 1); | |
| return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0]; | |
| } | |
| function clipLine(a, b) { | |
| var dx = b[0] - a[0], dy = b[1] - a[1], t = [ 0, 1 ]; | |
| if (Math.abs(dx) < ε && Math.abs(dy) < ε) return x0 <= a[0] && a[0] <= x1 && y0 <= a[1] && a[1] <= y1; | |
| if (d3_geo_clipViewT(x0 - a[0], dx, t) && d3_geo_clipViewT(a[0] - x1, -dx, t) && d3_geo_clipViewT(y0 - a[1], dy, t) && d3_geo_clipViewT(a[1] - y1, -dy, t)) { | |
| if (t[1] < 1) { | |
| b[0] = a[0] + t[1] * dx; | |
| b[1] = a[1] + t[1] * dy; | |
| } | |
| if (t[0] > 0) { | |
| a[0] += t[0] * dx; | |
| a[1] += t[0] * dy; | |
| } | |
| return true; | |
| } | |
| return false; | |
| } | |
| } | |
| function d3_geo_clipViewT(num, denominator, t) { | |
| if (Math.abs(denominator) < ε) return num <= 0; | |
| var u = num / denominator; | |
| if (denominator > 0) { | |
| if (u > t[1]) return false; | |
| if (u > t[0]) t[0] = u; | |
| } else { | |
| if (u < t[0]) return false; | |
| if (u < t[1]) t[1] = u; | |
| } | |
| return true; | |
| } | |
| function d3_geo_compose(a, b) { | |
| function compose(x, y) { | |
| return x = a(x, y), b(x[0], x[1]); | |
| } | |
| if (a.invert && b.invert) compose.invert = function(x, y) { | |
| return x = b.invert(x, y), x && a.invert(x[0], x[1]); | |
| }; | |
| return compose; | |
| } | |
| function d3_geo_conic(projectAt) { | |
| var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1); | |
| p.parallels = function(_) { | |
| if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ]; | |
| return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180); | |
| }; | |
| return p; | |
| } | |
| function d3_geo_conicEqualArea(φ0, φ1) { | |
| var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n; | |
| function forward(λ, φ) { | |
| var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n; | |
| return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ]; | |
| } | |
| forward.invert = function(x, y) { | |
| var ρ0_y = ρ0 - y; | |
| return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ]; | |
| }; | |
| return forward; | |
| } | |
| (d3.geo.conicEqualArea = function() { | |
| return d3_geo_conic(d3_geo_conicEqualArea); | |
| }).raw = d3_geo_conicEqualArea; | |
| d3.geo.albers = function() { | |
| return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070); | |
| }; | |
| d3.geo.albersUsa = function() { | |
| var lower48 = d3.geo.albers(); | |
| var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]); | |
| var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]); | |
| var point, pointStream = { | |
| point: function(x, y) { | |
| point = [ x, y ]; | |
| } | |
| }, lower48Point, alaskaPoint, hawaiiPoint; | |
| function albersUsa(coordinates) { | |
| var x = coordinates[0], y = coordinates[1]; | |
| point = null; | |
| (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y); | |
| return point; | |
| } | |
| albersUsa.invert = function(coordinates) { | |
| var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k; | |
| return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates); | |
| }; | |
| albersUsa.stream = function(stream) { | |
| var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream); | |
| return { | |
| point: function(x, y) { | |
| lower48Stream.point(x, y); | |
| alaskaStream.point(x, y); | |
| hawaiiStream.point(x, y); | |
| }, | |
| sphere: function() { | |
| lower48Stream.sphere(); | |
| alaskaStream.sphere(); | |
| hawaiiStream.sphere(); | |
| }, | |
| lineStart: function() { | |
| lower48Stream.lineStart(); | |
| alaskaStream.lineStart(); | |
| hawaiiStream.lineStart(); | |
| }, | |
| lineEnd: function() { | |
| lower48Stream.lineEnd(); | |
| alaskaStream.lineEnd(); | |
| hawaiiStream.lineEnd(); | |
| }, | |
| polygonStart: function() { | |
| lower48Stream.polygonStart(); | |
| alaskaStream.polygonStart(); | |
| hawaiiStream.polygonStart(); | |
| }, | |
| polygonEnd: function() { | |
| lower48Stream.polygonEnd(); | |
| alaskaStream.polygonEnd(); | |
| hawaiiStream.polygonEnd(); | |
| } | |
| }; | |
| }; | |
| albersUsa.precision = function(_) { | |
| if (!arguments.length) return lower48.precision(); | |
| lower48.precision(_); | |
| alaska.precision(_); | |
| hawaii.precision(_); | |
| return albersUsa; | |
| }; | |
| albersUsa.scale = function(_) { | |
| if (!arguments.length) return lower48.scale(); | |
| lower48.scale(_); | |
| alaska.scale(_ * .35); | |
| hawaii.scale(_); | |
| return albersUsa.translate(lower48.translate()); | |
| }; | |
| albersUsa.translate = function(_) { | |
| if (!arguments.length) return lower48.translate(); | |
| var k = lower48.scale(), x = +_[0], y = +_[1]; | |
| lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point; | |
| alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; | |
| hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; | |
| return albersUsa; | |
| }; | |
| return albersUsa.scale(1070); | |
| }; | |
| var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = { | |
| point: d3_noop, | |
| lineStart: d3_noop, | |
| lineEnd: d3_noop, | |
| polygonStart: function() { | |
| d3_geo_pathAreaPolygon = 0; | |
| d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart; | |
| }, | |
| polygonEnd: function() { | |
| d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop; | |
| d3_geo_pathAreaSum += Math.abs(d3_geo_pathAreaPolygon / 2); | |
| } | |
| }; | |
| function d3_geo_pathAreaRingStart() { | |
| var x00, y00, x0, y0; | |
| d3_geo_pathArea.point = function(x, y) { | |
| d3_geo_pathArea.point = nextPoint; | |
| x00 = x0 = x, y00 = y0 = y; | |
| }; | |
| function nextPoint(x, y) { | |
| d3_geo_pathAreaPolygon += y0 * x - x0 * y; | |
| x0 = x, y0 = y; | |
| } | |
| d3_geo_pathArea.lineEnd = function() { | |
| nextPoint(x00, y00); | |
| }; | |
| } | |
| var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1; | |
| var d3_geo_pathBounds = { | |
| point: d3_geo_pathBoundsPoint, | |
| lineStart: d3_noop, | |
| lineEnd: d3_noop, | |
| polygonStart: d3_noop, | |
| polygonEnd: d3_noop | |
| }; | |
| function d3_geo_pathBoundsPoint(x, y) { | |
| if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x; | |
| if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x; | |
| if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y; | |
| if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y; | |
| } | |
| function d3_geo_pathBuffer() { | |
| var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = []; | |
| var stream = { | |
| point: point, | |
| lineStart: function() { | |
| stream.point = pointLineStart; | |
| }, | |
| lineEnd: lineEnd, | |
| polygonStart: function() { | |
| stream.lineEnd = lineEndPolygon; | |
| }, | |
| polygonEnd: function() { | |
| stream.lineEnd = lineEnd; | |
| stream.point = point; | |
| }, | |
| pointRadius: function(_) { | |
| pointCircle = d3_geo_pathBufferCircle(_); | |
| return stream; | |
| }, | |
| result: function() { | |
| if (buffer.length) { | |
| var result = buffer.join(""); | |
| buffer = []; | |
| return result; | |
| } | |
| } | |
| }; | |
| function point(x, y) { | |
| buffer.push("M", x, ",", y, pointCircle); | |
| } | |
| function pointLineStart(x, y) { | |
| buffer.push("M", x, ",", y); | |
| stream.point = pointLine; | |
| } | |
| function pointLine(x, y) { | |
| buffer.push("L", x, ",", y); | |
| } | |
| function lineEnd() { | |
| stream.point = point; | |
| } | |
| function lineEndPolygon() { | |
| buffer.push("Z"); | |
| } | |
| return stream; | |
| } | |
| function d3_geo_pathBufferCircle(radius) { | |
| return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z"; | |
| } | |
| var d3_geo_pathCentroid = { | |
| point: d3_geo_pathCentroidPoint, | |
| lineStart: d3_geo_pathCentroidLineStart, | |
| lineEnd: d3_geo_pathCentroidLineEnd, | |
| polygonStart: function() { | |
| d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart; | |
| }, | |
| polygonEnd: function() { | |
| d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; | |
| d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart; | |
| d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd; | |
| } | |
| }; | |
| function d3_geo_pathCentroidPoint(x, y) { | |
| d3_geo_centroidX0 += x; | |
| d3_geo_centroidY0 += y; | |
| ++d3_geo_centroidZ0; | |
| } | |
| function d3_geo_pathCentroidLineStart() { | |
| var x0, y0; | |
| d3_geo_pathCentroid.point = function(x, y) { | |
| d3_geo_pathCentroid.point = nextPoint; | |
| d3_geo_pathCentroidPoint(x0 = x, y0 = y); | |
| }; | |
| function nextPoint(x, y) { | |
| var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); | |
| d3_geo_centroidX1 += z * (x0 + x) / 2; | |
| d3_geo_centroidY1 += z * (y0 + y) / 2; | |
| d3_geo_centroidZ1 += z; | |
| d3_geo_pathCentroidPoint(x0 = x, y0 = y); | |
| } | |
| } | |
| function d3_geo_pathCentroidLineEnd() { | |
| d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; | |
| } | |
| function d3_geo_pathCentroidRingStart() { | |
| var x00, y00, x0, y0; | |
| d3_geo_pathCentroid.point = function(x, y) { | |
| d3_geo_pathCentroid.point = nextPoint; | |
| d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y); | |
| }; | |
| function nextPoint(x, y) { | |
| var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); | |
| d3_geo_centroidX1 += z * (x0 + x) / 2; | |
| d3_geo_centroidY1 += z * (y0 + y) / 2; | |
| d3_geo_centroidZ1 += z; | |
| z = y0 * x - x0 * y; | |
| d3_geo_centroidX2 += z * (x0 + x); | |
| d3_geo_centroidY2 += z * (y0 + y); | |
| d3_geo_centroidZ2 += z * 3; | |
| d3_geo_pathCentroidPoint(x0 = x, y0 = y); | |
| } | |
| d3_geo_pathCentroid.lineEnd = function() { | |
| nextPoint(x00, y00); | |
| }; | |
| } | |
| function d3_geo_pathContext(context) { | |
| var pointRadius = 4.5; | |
| var stream = { | |
| point: point, | |
| lineStart: function() { | |
| stream.point = pointLineStart; | |
| }, | |
| lineEnd: lineEnd, | |
| polygonStart: function() { | |
| stream.lineEnd = lineEndPolygon; | |
| }, | |
| polygonEnd: function() { | |
| stream.lineEnd = lineEnd; | |
| stream.point = point; | |
| }, | |
| pointRadius: function(_) { | |
| pointRadius = _; | |
| return stream; | |
| }, | |
| result: d3_noop | |
| }; | |
| function point(x, y) { | |
| context.moveTo(x, y); | |
| context.arc(x, y, pointRadius, 0, 2 * π); | |
| } | |
| function pointLineStart(x, y) { | |
| context.moveTo(x, y); | |
| stream.point = pointLine; | |
| } | |
| function pointLine(x, y) { | |
| context.lineTo(x, y); | |
| } | |
| function lineEnd() { | |
| stream.point = point; | |
| } | |
| function lineEndPolygon() { | |
| context.closePath(); | |
| } | |
| return stream; | |
| } | |
| function d3_geo_resample(project) { | |
| var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16; | |
| function resample(stream) { | |
| var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0; | |
| var resample = { | |
| point: point, | |
| lineStart: lineStart, | |
| lineEnd: lineEnd, | |
| polygonStart: function() { | |
| stream.polygonStart(); | |
| resample.lineStart = ringStart; | |
| }, | |
| polygonEnd: function() { | |
| stream.polygonEnd(); | |
| resample.lineStart = lineStart; | |
| } | |
| }; | |
| function point(x, y) { | |
| x = project(x, y); | |
| stream.point(x[0], x[1]); | |
| } | |
| function lineStart() { | |
| x0 = NaN; | |
| resample.point = linePoint; | |
| stream.lineStart(); | |
| } | |
| function linePoint(λ, φ) { | |
| var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ); | |
| resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); | |
| stream.point(x0, y0); | |
| } | |
| function lineEnd() { | |
| resample.point = point; | |
| stream.lineEnd(); | |
| } | |
| function ringStart() { | |
| lineStart(); | |
| resample.point = ringPoint; | |
| resample.lineEnd = ringEnd; | |
| } | |
| function ringPoint(λ, φ) { | |
| linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; | |
| resample.point = linePoint; | |
| } | |
| function ringEnd() { | |
| resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream); | |
| resample.lineEnd = lineEnd; | |
| lineEnd(); | |
| } | |
| return resample; | |
| } | |
| function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) { | |
| var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy; | |
| if (d2 > 4 * δ2 && depth--) { | |
| var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = Math.abs(Math.abs(c) - 1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2; | |