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d3.js 262KB

    (function() { var d3_format_decimalPoint = ".", d3_format_thousandsSeparator = ",", d3_format_grouping = [ 3, 3 ]; if (!Date.now) Date.now = function() { return +new Date(); }; try { document.createElement("div").style.setProperty("opacity", 0, ""); } catch (error) { var d3_style_prototype = CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty; d3_style_prototype.setProperty = function(name, value, priority) { d3_style_setProperty.call(this, name, value + "", priority); }; } d3 = { version: "3.0.4" }; var π = Math.PI, ε = 1e-6, d3_radians = π / 180, d3_degrees = 180 / π; function d3_target(d) { return d.target; } function d3_source(d) { return d.source; } 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; } } 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(document.documentElement.childNodes)[0].nodeType; } catch (e) { d3_array = d3_arrayCopy; } var d3_arraySubclass = [].__proto__ ? function(array, prototype) { array.__proto__ = prototype; } : function(array, prototype) { for (var property in prototype) array[property] = prototype[property]; }; 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); function d3_identity(d) { return d; } function d3_true() { return true; } function d3_functor(v) { return typeof v === "function" ? v : function() { return v; }; } d3.functor = d3_functor; 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 arguments.length ? target : value; }; } d3.ascending = function(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; }; d3.descending = function(a, b) { return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; }; d3.mean = function(array, f) { var n = array.length, a, m = 0, i = -1, j = 0; if (arguments.length === 1) { while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j; } else { while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j; } return j ? m : undefined; }; d3.median = function(array, f) { if (arguments.length > 1) array = array.map(f); array = array.filter(d3_number); return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined; }; d3.min = function(array, f) { var i = -1, n = array.length, a, b; if (arguments.length === 1) { while (++i < n && ((a = array[i]) == null || a != a)) a = undefined; while (++i < n) if ((b = array[i]) != null && a > b) a = b; } else { while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined; while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b; } return a; }; d3.max = function(array, f) { var i = -1, n = array.length, a, b; if (arguments.length === 1) { while (++i < n && ((a = array[i]) == null || a != a)) a = undefined; while (++i < n) if ((b = array[i]) != null && b > a) a = b; } else { while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined; while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b; } return a; }; d3.extent = function(array, f) { var i = -1, n = array.length, a, b, c; if (arguments.length === 1) { while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined; while (++i < n) if ((b = array[i]) != null) { if (a > b) a = b; if (c < b) c = b; } } else { while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined; while (++i < n) if ((b = f.call(array, array[i], i)) != null) { if (a > b) a = b; if (c < b) c = b; } } return [ a, c ]; }; d3.random = { normal: function(µ, σ) { var n = arguments.length; if (n < 2) σ = 1; if (n < 1) µ = 0; return function() { var x, y, r; do { x = Math.random() * 2 - 1; y = Math.random() * 2 - 1; r = x * x + y * y; } while (!r || r > 1); return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r); }; }, logNormal: function(µ, σ) { var n = arguments.length; if (n < 2) σ = 1; if (n < 1) µ = 0; var random = d3.random.normal(); return function() { return Math.exp(µ + σ * random()); }; }, irwinHall: function(m) { return function() { for (var s = 0, j = 0; j < m; j++) s += Math.random(); return s / m; }; } }; function d3_number(x) { return x != null && !isNaN(x); } d3.sum = function(array, f) { var s = 0, n = array.length, a, i = -1; if (arguments.length === 1) { while (++i < n) if (!isNaN(a = +array[i])) s += a; } else { while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a; } return s; }; 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.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.transpose = function(matrix) { return d3.zip.apply(d3, matrix); }; d3.zip = function() { if (!(n = arguments.length)) return []; for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) { for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) { zip[j] = arguments[j][i]; } } return zips; }; function d3_zipLength(d) { return d.length; } 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.nest = function() { var nest = {}, keys = [], sortKeys = [], sortValues, rollup; function map(array, depth) { if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array; var i = -1, n = array.length, key = keys[depth++], keyValue, object, valuesByKey = new d3_Map(), values, o = {}; while (++i < n) { if (values = valuesByKey.get(keyValue = key(object = array[i]))) { values.push(object); } else { valuesByKey.set(keyValue, [ object ]); } } valuesByKey.forEach(function(keyValue, values) { o[keyValue] = map(values, depth); }); return o; } function entries(map, depth) { if (depth >= keys.length) return map; var a = [], sortKey = sortKeys[depth++], key; for (key in map) { a.push({ key: key, values: entries(map[key], depth) }); } if (sortKey) a.sort(function(a, b) { return sortKey(a.key, b.key); }); return a; } nest.map = function(array) { return map(array, 0); }; nest.entries = function(array) { return entries(map(array, 0), 0); }; nest.key = function(d) { keys.push(d); return nest; }; 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.keys = function(map) { var keys = []; for (var key in map) keys.push(key); return keys; }; d3.values = function(map) { var values = []; for (var key in map) values.push(map[key]); return values; }; d3.entries = function(map) { var entries = []; for (var key in map) entries.push({ key: key, value: map[key] }); return entries; }; d3.permute = function(array, indexes) { var permutes = [], i = -1, n = indexes.length; while (++i < n) permutes[i] = array[indexes[i]]; return permutes; }; d3.merge = function(arrays) { return Array.prototype.concat.apply([], arrays); }; function d3_collapse(s) { return s.trim().replace(/\s+/g, " "); } 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; } d3.requote = function(s) { return s.replace(d3_requote_re, "\\$&"); }; var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; d3.round = function(x, n) { return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x); }; d3.xhr = function(url, mimeType, callback) { var xhr = {}, dispatch = d3.dispatch("progress", "load", "error"), headers = {}, response = d3_identity, request = new (window.XDomainRequest && /^(http(s)?:)?\/\//.test(url) ? XDomainRequest : XMLHttpRequest)(); "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() { request.readyState > 3 && respond(); }; function respond() { var s = request.status; !s && request.responseText || s >= 200 && s < 300 || s === 304 ? dispatch.load.call(xhr, response.call(xhr, request)) : 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.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 (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"); if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, mimeType = null; 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.text = function() { return d3.xhr.apply(d3, arguments).response(d3_text); }; function d3_text(request) { return request.responseText; } d3.json = function(url, callback) { return d3.xhr(url, "application/json", callback).response(d3_json); }; function d3_json(request) { return JSON.parse(request.responseText); } d3.html = function(url, callback) { return d3.xhr(url, "text/html", callback).response(d3_html); }; function d3_html(request) { var range = document.createRange(); range.selectNode(document.body); return range.createContextualFragment(request.responseText); } d3.xml = function() { return d3.xhr.apply(d3, arguments).response(d3_xml); }; function d3_xml(request) { return request.responseXML; } 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.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); } return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener); }; 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.format = function(specifier) { var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "", basePrefix = 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 (basePrefix) basePrefix = "0" + type.toLowerCase(); case "c": case "d": integer = true; precision = 0; break; case "s": scale = -1; type = "r"; break; } if (basePrefix === "#") basePrefix = ""; if (type == "r" && !precision) type = "g"; 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); if (!zfill && comma) value = d3_format_group(value); var length = basePrefix.length + value.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : ""; if (zcomma) value = d3_format_group(padding + value); if (d3_format_decimalPoint) value.replace(".", d3_format_decimalPoint); negative += basePrefix; 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)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/; 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 d3.round(x, p = d3_format_precision(x, p)).toFixed(Math.max(0, Math.min(20, p))); } }); function d3_format_precision(x, p) { return p - (x ? 1 + Math.floor(Math.log(x + Math.pow(10, 1 + Math.floor(Math.log(x) / Math.LN10) - p)) / Math.LN10) : 1); } function d3_format_typeDefault(x) { return x + ""; } 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.lastIndexOf("."), f = i >= 0 ? "." + value.substring(i + 1) : (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 || "") + f; }; } var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "μ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix); d3.formatPrefix = function(value, precision) { var i = 0; if (value) { if (value < 0) value *= -1; if (precision) value = d3.round(value, d3_format_precision(value, precision)); i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10); i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3)); } return d3_formatPrefixes[8 + i / 3]; }; function d3_formatPrefix(d, i) { 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 }; } var d3_ease_default = function() { return d3_identity; }; var d3_ease = d3.map({ linear: d3_ease_default, poly: d3_ease_poly, quad: function() { return d3_ease_quad; }, cubic: function() { return d3_ease_cubic; }, sin: function() { return d3_ease_sin; }, exp: function() { return d3_ease_exp; }, circle: function() { return d3_ease_circle; }, elastic: d3_ease_elastic, back: d3_ease_back, bounce: function() { return d3_ease_bounce; } }); var d3_ease_mode = d3.map({ "in": d3_identity, out: d3_ease_reverse, "in-out": d3_ease_reflect, "out-in": function(f) { return d3_ease_reflect(d3_ease_reverse(f)); } }); d3.ease = function(name) { var i = name.indexOf("-"), t = i >= 0 ? name.substring(0, i) : name, m = i >= 0 ? name.substring(i + 1) : "in"; t = d3_ease.get(t) || d3_ease_default; m = d3_ease_mode.get(m) || d3_identity; return d3_ease_clamp(m(t.apply(null, Array.prototype.slice.call(arguments, 1)))); }; function d3_ease_clamp(f) { return function(t) { return t <= 0 ? 0 : t >= 1 ? 1 : f(t); }; } function d3_ease_reverse(f) { return function(t) { return 1 - f(1 - t); }; } function d3_ease_reflect(f) { return function(t) { return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t)); }; } function d3_ease_quad(t) { return t * t; } function d3_ease_cubic(t) { return t * t * t; } function d3_ease_cubicInOut(t) { if (t <= 0) return 0; if (t >= 1) return 1; var t2 = t * t, t3 = t2 * t; return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75); } function d3_ease_poly(e) { return function(t) { return Math.pow(t, e); }; } function d3_ease_sin(t) { return 1 - Math.cos(t * π / 2); } function d3_ease_exp(t) { return Math.pow(2, 10 * (t - 1)); } function d3_ease_circle(t) { return 1 - Math.sqrt(1 - t * t); } function d3_ease_elastic(a, p) { var s; if (arguments.length < 2) p = .45; if (arguments.length) s = p / (2 * π) * Math.asin(1 / a); else a = 1, s = p / 4; return function(t) { return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * π / p); }; } function d3_ease_back(s) { if (!s) s = 1.70158; return function(t) { return t * t * ((s + 1) * t - s); }; } function d3_ease_bounce(t) { return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375; } d3.event = null; function d3_eventCancel() { d3.event.stopPropagation(); d3.event.preventDefault(); } 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.transform = function(string) { var g = document.createElementNS(d3.ns.prefix.svg, "g"); return (d3.transform = function(string) { g.setAttribute("transform", string); var t = g.transform.baseVal.consolidate(); return new d3_transform(t ? t.matrix : d3_transformIdentity); })(string); }; function d3_transform(m) { var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0; if (r0[0] * r1[1] < r1[0] * r0[1]) { r0[0] *= -1; r0[1] *= -1; kx *= -1; kz *= -1; } this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees; this.translate = [ m.e, m.f ]; this.scale = [ kx, ky ]; this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0; } d3_transform.prototype.toString = function() { return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")"; }; function d3_transformDot(a, b) { return a[0] * b[0] + a[1] * b[1]; } function d3_transformNormalize(a) { var k = Math.sqrt(d3_transformDot(a, a)); if (k) { a[0] /= k; a[1] /= k; } return k; } function d3_transformCombine(a, b, k) { a[0] += k * b[0]; a[1] += k * b[1]; return a; } var d3_transformIdentity = { a: 1, b: 0, c: 0, d: 1, e: 0, f: 0 }; d3.interpolate = function(a, b) { var i = d3.interpolators.length, f; while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ; return f; }; d3.interpolateNumber = function(a, b) { b -= a; return function(t) { return a + b * t; }; }; d3.interpolateRound = function(a, b) { b -= a; return function(t) { return Math.round(a + b * t); }; }; d3.interpolateString = function(a, b) { var m, i, j, s0 = 0, s1 = 0, s = [], q = [], n, o; d3_interpolate_number.lastIndex = 0; for (i = 0; m = d3_interpolate_number.exec(b); ++i) { if (m.index) s.push(b.substring(s0, s1 = m.index)); q.push({ i: s.length, x: m[0] }); s.push(null); s0 = d3_interpolate_number.lastIndex; } if (s0 < b.length) s.push(b.substring(s0)); for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) { o = q[i]; if (o.x == m[0]) { if (o.i) { if (s[o.i + 1] == null) { s[o.i - 1] += o.x; s.splice(o.i, 1); for (j = i + 1; j < n; ++j) q[j].i--; } else { s[o.i - 1] += o.x + s[o.i + 1]; s.splice(o.i, 2); for (j = i + 1; j < n; ++j) q[j].i -= 2; } } else { if (s[o.i + 1] == null) { s[o.i] = o.x; } else { s[o.i] = o.x + s[o.i + 1]; s.splice(o.i + 1, 1); for (j = i + 1; j < n; ++j) q[j].i--; } } q.splice(i, 1); n--; i--; } else { o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x)); } } while (i < n) { o = q.pop(); if (s[o.i + 1] == null) { s[o.i] = o.x; } else { s[o.i] = o.x + s[o.i + 1]; s.splice(o.i + 1, 1); } n--; } if (s.length === 1) { return s[0] == null ? q[0].x : function() { return b; }; } return function(t) { for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t); return s.join(""); }; }; d3.interpolateTransform = function(a, b) { var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale; if (ta[0] != tb[0] || ta[1] != tb[1]) { s.push("translate(", null, ",", null, ")"); q.push({ i: 1, x: d3.interpolateNumber(ta[0], tb[0]) }, { i: 3, x: d3.interpolateNumber(ta[1], tb[1]) }); } else if (tb[0] || tb[1]) { s.push("translate(" + tb + ")"); } else { s.push(""); } if (ra != rb) { if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; q.push({ i: s.push(s.pop() + "rotate(", null, ")") - 2, x: d3.interpolateNumber(ra, rb) }); } else if (rb) { s.push(s.pop() + "rotate(" + rb + ")"); } if (wa != wb) { q.push({ i: s.push(s.pop() + "skewX(", null, ")") - 2, x: d3.interpolateNumber(wa, wb) }); } else if (wb) { s.push(s.pop() + "skewX(" + wb + ")"); } if (ka[0] != kb[0] || ka[1] != kb[1]) { n = s.push(s.pop() + "scale(", null, ",", null, ")"); q.push({ i: n - 4, x: d3.interpolateNumber(ka[0], kb[0]) }, { i: n - 2, x: d3.interpolateNumber(ka[1], kb[1]) }); } else if (kb[0] != 1 || kb[1] != 1) { s.push(s.pop() + "scale(" + kb + ")"); } n = q.length; return function(t) { var i = -1, o; while (++i < n) s[(o = q[i]).i] = o.x(t); return s.join(""); }; }; d3.interpolateRgb = function(a, b) { a = d3.rgb(a); b = d3.rgb(b); var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab; return function(t) { return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t)); }; }; d3.interpolateHsl = function(a, b) { a = d3.hsl(a); b = d3.hsl(b); var h0 = a.h, s0 = a.s, l0 = a.l, h1 = b.h - h0, s1 = b.s - s0, l1 = b.l - l0; if (h1 > 180) h1 -= 360; else if (h1 < -180) h1 += 360; return function(t) { return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t) + ""; }; }; d3.interpolateLab = function(a, b) { a = d3.lab(a); b = d3.lab(b); var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab; return function(t) { return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + ""; }; }; d3.interpolateHcl = function(a, b) { a = d3.hcl(a); b = d3.hcl(b); var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al; if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; return function(t) { return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + ""; }; }; d3.interpolateArray = function(a, b) { var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i; for (i = 0; i < n0; ++i) x.push(d3.interpolate(a[i], b[i])); for (;i < na; ++i) c[i] = a[i]; for (;i < nb; ++i) c[i] = b[i]; return function(t) { for (i = 0; i < n0; ++i) c[i] = x[i](t); return c; }; }; d3.interpolateObject = function(a, b) { var i = {}, c = {}, k; for (k in a) { if (k in b) { i[k] = d3_interpolateByName(k)(a[k], b[k]); } else { c[k] = a[k]; } } for (k in b) { if (!(k in a)) { c[k] = b[k]; } } return function(t) { for (k in i) c[k] = i[k](t); return c; }; }; var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; function d3_interpolateByName(name) { return name == "transform" ? d3.interpolateTransform : d3.interpolate; } d3.interpolators = [ d3.interpolateObject, function(a, b) { return b instanceof Array && d3.interpolateArray(a, b); }, function(a, b) { return (typeof a === "string" || typeof b === "string") && d3.interpolateString(a + "", b + ""); }, function(a, b) { return (typeof b === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Color) && d3.interpolateRgb(a, b); }, function(a, b) { return !isNaN(a = +a) && !isNaN(b = +b) && d3.interpolateNumber(a, b); } ]; function d3_uninterpolateNumber(a, b) { b = b - (a = +a) ? 1 / (b - a) : 0; return function(x) { return (x - a) * b; }; } function d3_uninterpolateClamp(a, b) { b = b - (a = +a) ? 1 / (b - a) : 0; return function(x) { return Math.max(0, Math.min(1, (x - a) * b)); }; } function d3_Color() {} d3_Color.prototype.toString = function() { return this.rgb() + ""; }; d3.rgb = function(r, g, b) { return arguments.length === 1 ? r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : d3_rgb(~~r, ~~g, ~~b); }; function d3_rgb(r, g, b) { return new d3_Rgb(r, g, b); } function d3_Rgb(r, g, b) { this.r = r; this.g = g; this.b = b; } 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, Math.floor(r / k)), Math.min(255, Math.floor(g / k)), Math.min(255, Math.floor(b / k))); }; d3_rgbPrototype.darker = function(k) { k = Math.pow(.7, arguments.length ? k : 1); return d3_rgb(Math.floor(k * this.r), Math.floor(k * this.g), Math.floor(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 { s = h = 0; } 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: "#f0f8ff", antiquewhite: "#faebd7", aqua: "#00ffff", aquamarine: "#7fffd4", azure: "#f0ffff", beige: "#f5f5dc", bisque: "#ffe4c4", black: "#000000", blanchedalmond: "#ffebcd", blue: "#0000ff", blueviolet: "#8a2be2", brown: "#a52a2a", burlywood: "#deb887", cadetblue: "#5f9ea0", chartreuse: "#7fff00", chocolate: "#d2691e", coral: "#ff7f50", cornflowerblue: "#6495ed", cornsilk: "#fff8dc", crimson: "#dc143c", cyan: "#00ffff", darkblue: "#00008b", darkcyan: "#008b8b", darkgoldenrod: "#b8860b", darkgray: "#a9a9a9", darkgreen: "#006400", darkgrey: "#a9a9a9", darkkhaki: "#bdb76b", darkmagenta: "#8b008b", darkolivegreen: "#556b2f", darkorange: "#ff8c00", darkorchid: "#9932cc", darkred: "#8b0000", darksalmon: "#e9967a", darkseagreen: "#8fbc8f", darkslateblue: "#483d8b", darkslategray: "#2f4f4f", darkslategrey: "#2f4f4f", darkturquoise: "#00ced1", darkviolet: "#9400d3", deeppink: "#ff1493", deepskyblue: "#00bfff", dimgray: "#696969", dimgrey: "#696969", dodgerblue: "#1e90ff", firebrick: "#b22222", floralwhite: "#fffaf0", forestgreen: "#228b22", fuchsia: "#ff00ff", gainsboro: "#dcdcdc", ghostwhite: "#f8f8ff", gold: "#ffd700", goldenrod: "#daa520", gray: "#808080", green: "#008000", greenyellow: "#adff2f", grey: "#808080", honeydew: "#f0fff0", hotpink: "#ff69b4", indianred: "#cd5c5c", indigo: "#4b0082", ivory: "#fffff0", khaki: "#f0e68c", lavender: "#e6e6fa", lavenderblush: "#fff0f5", lawngreen: "#7cfc00", lemonchiffon: "#fffacd", lightblue: "#add8e6", lightcoral: "#f08080", lightcyan: "#e0ffff", lightgoldenrodyellow: "#fafad2", lightgray: "#d3d3d3", lightgreen: "#90ee90", lightgrey: "#d3d3d3", lightpink: "#ffb6c1", lightsalmon: "#ffa07a", lightseagreen: "#20b2aa", lightskyblue: "#87cefa", lightslategray: "#778899", lightslategrey: "#778899", lightsteelblue: "#b0c4de", lightyellow: "#ffffe0", lime: "#00ff00", limegreen: "#32cd32", linen: "#faf0e6", magenta: "#ff00ff", maroon: "#800000", mediumaquamarine: "#66cdaa", mediumblue: "#0000cd", mediumorchid: "#ba55d3", mediumpurple: "#9370db", mediumseagreen: "#3cb371", mediumslateblue: "#7b68ee", mediumspringgreen: "#00fa9a", mediumturquoise: "#48d1cc", mediumvioletred: "#c71585", midnightblue: "#191970", mintcream: "#f5fffa", mistyrose: "#ffe4e1", moccasin: "#ffe4b5", navajowhite: "#ffdead", navy: "#000080", oldlace: "#fdf5e6", olive: "#808000", olivedrab: "#6b8e23", orange: "#ffa500", orangered: "#ff4500", orchid: "#da70d6", palegoldenrod: "#eee8aa", palegreen: "#98fb98", paleturquoise: "#afeeee", palevioletred: "#db7093", papayawhip: "#ffefd5", peachpuff: "#ffdab9", peru: "#cd853f", pink: "#ffc0cb", plum: "#dda0dd", powderblue: "#b0e0e6", purple: "#800080", red: "#ff0000", rosybrown: "#bc8f8f", royalblue: "#4169e1", saddlebrown: "#8b4513", salmon: "#fa8072", sandybrown: "#f4a460", seagreen: "#2e8b57", seashell: "#fff5ee", sienna: "#a0522d", silver: "#c0c0c0", skyblue: "#87ceeb", slateblue: "#6a5acd", slategray: "#708090", slategrey: "#708090", snow: "#fffafa", springgreen: "#00ff7f", steelblue: "#4682b4", tan: "#d2b48c", teal: "#008080", thistle: "#d8bfd8", tomato: "#ff6347", turquoise: "#40e0d0", violet: "#ee82ee", wheat: "#f5deb3", white: "#ffffff", whitesmoke: "#f5f5f5", yellow: "#ffff00", yellowgreen: "#9acd32" }); d3_rgb_names.forEach(function(key, value) { d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_rgb)); }); d3.hsl = function(h, s, l) { return arguments.length === 1 ? h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : d3_hsl(+h, +s, +l); }; function d3_hsl(h, s, l) { return new d3_Hsl(h, s, l); } function d3_Hsl(h, s, l) { this.h = h; this.s = s; this.l = l; } 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 = h % 360; if (h < 0) h += 360; s = 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)); } 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) { 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 d3_hcl(Math.atan2(b, a) / π * 180, Math.sqrt(a * a + b * b), 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)); } function d3_selection(groups) { d3_arraySubclass(groups, d3_selectionPrototype); return groups; } var d3_select = function(s, n) { return n.querySelector(s); }, d3_selectAll = function(s, n) { return n.querySelectorAll(s); }, d3_selectRoot = document.documentElement, d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector, d3_selectMatches = function(n, s) { return d3_selectMatcher.call(n, s); }; 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; } var d3_selectionPrototype = []; d3.selection = function() { return d3_selectionRoot; }; d3.selection.prototype = d3_selectionPrototype; d3_selectionPrototype.select = function(selector) { var subgroups = [], subgroup, subnode, group, node; if (typeof selector !== "function") selector = d3_selection_selector(selector); for (var j = -1, m = this.length; ++j < m; ) { subgroups.push(subgroup = []); subgroup.parentNode = (group = this[j]).parentNode; for (var i = -1, n = group.length; ++i < n; ) { if (node = group[i]) { subgroup.push(subnode = selector.call(node, node.__data__, i)); if (subnode && "__data__" in node) subnode.__data__ = node.__data__; } else { subgroup.push(null); } } } return d3_selection(subgroups); }; function d3_selection_selector(selector) { return function() { return d3_select(selector, this); }; } d3_selectionPrototype.selectAll = function(selector) { var subgroups = [], subgroup, node; if (typeof selector !== "function") selector = d3_selection_selectorAll(selector); for (var j = -1, m = this.length; ++j < m; ) { for (var group = this[j], i = -1, n = group.length; ++i < n; ) { if (node = group[i]) { subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i))); subgroup.parentNode = node; } } } return d3_selection(subgroups); }; function d3_selection_selectorAll(selector) { return function() { return d3_selectAll(selector, this); }; } d3_selectionPrototype.attr = function(name, value) { 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; } 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.className; if (value.baseVal != null) value = value.baseVal; 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.className, cb = c.baseVal != null, cv = cb ? c.baseVal : c; if (value) { re.lastIndex = 0; if (!re.test(cv)) { cv = d3_collapse(cv + " " + name); if (cb) c.baseVal = cv; else node.className = cv; } } else if (cv) { cv = d3_collapse(cv.replace(re, " ")); if (cb) c.baseVal = cv; else node.className = cv; } }; } 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 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.ns.qualify(name); function append() { return this.appendChild(document.createElementNS(this.namespaceURI, name)); } function appendNS() { return this.appendChild(document.createElementNS(name.space, name.local)); } return this.select(name.local ? appendNS : append); }; d3_selectionPrototype.insert = function(name, before) { name = d3.ns.qualify(name); function insert() { return this.insertBefore(document.createElementNS(this.namespaceURI, name), d3_select(before, this)); } function insertNS() { return this.insertBefore(document.createElementNS(name.space, name.local), d3_select(before, this)); } return this.select(name.local ? insertNS : insert); }; 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 comparator(a && a.__data__, b && b.__data__); }; } 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("."); if (i > 0) type = type.substring(0, i); function onRemove() { var wrapper = this[name]; if (wrapper) { this.removeEventListener(type, wrapper, wrapper.$); delete this[name]; } } function onAdd() { var node = this, args = d3_array(arguments); onRemove.call(this); this.addEventListener(type, this[name] = wrapper, wrapper.$ = capture); wrapper._ = listener; function wrapper(e) { var o = d3.event; d3.event = e; args[0] = node.__data__; try { listener.apply(node, args); } finally { d3.event = o; } } } return listener ? onAdd : onRemove; } 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.transition = function() { var id = d3_transitionInheritId || ++d3_transitionId, subgroups = [], subgroup, node, transition = Object.create(d3_transitionInherit); transition.time = Date.now(); 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); }; var d3_selectionRoot = d3_selection([ [ document ] ]); d3_selectionRoot[0].parentNode = d3_selectRoot; d3.select = function(selector) { return typeof selector === "string" ? d3_selectionRoot.select(selector) : d3_selection([ [ selector ] ]); }; d3.selectAll = function(selector) { return typeof selector === "string" ? d3_selectionRoot.selectAll(selector) : d3_selection([ d3_array(selector) ]); }; function d3_selection_enter(selection) { d3_arraySubclass(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.insert = d3_selectionPrototype.insert; d3_selection_enterPrototype.empty = d3_selectionPrototype.empty; d3_selection_enterPrototype.node = d3_selectionPrototype.node; d3_selection_enterPrototype.select = function(selector) { var subgroups = [], subgroup, subnode, upgroup, group, node; for (var j = -1, m = this.length; ++j < m; ) { upgroup = (group = this[j]).update; subgroups.push(subgroup = []); subgroup.parentNode = group.parentNode; for (var i = -1, n = group.length; ++i < n; ) { if (node = group[i]) { subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i)); subnode.__data__ = node.__data__; } else { subgroup.push(null); } } } return d3_selection(subgroups); }; function d3_transition(groups, id) { d3_arraySubclass(groups, d3_transitionPrototype); groups.id = id; return groups; } var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit = { ease: d3_ease_cubicInOut, delay: 0, duration: 250 }; d3_transitionPrototype.call = d3_selectionPrototype.call; d3_transitionPrototype.empty = d3_selectionPrototype.empty; d3_transitionPrototype.node = d3_selectionPrototype.node; d3.transition = function(selection) { return arguments.length ? d3_transitionInheritId ? selection.transition() : selection : d3_selectionRoot.transition(); }; d3.transition.prototype = d3_transitionPrototype; function d3_transitionNode(node, i, id, inherit) { var lock = node.__transition__ || (node.__transition__ = { active: 0, count: 0 }), transition = lock[id]; if (!transition) { var time = inherit.time; transition = lock[id] = { tween: new d3_Map(), event: d3.dispatch("start", "end"), time: time, ease: inherit.ease, delay: inherit.delay, duration: inherit.duration }; ++lock.count; d3.timer(function(elapsed) { var d = node.__data__, ease = transition.ease, event = transition.event, delay = transition.delay, duration = transition.duration, tweened = []; return delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time), 1; function start(elapsed) { if (lock.active > id) return stop(); lock.active = id; event.start.call(node, d, i); transition.tween.forEach(function(key, value) { if (value = value.call(node, d, i)) { tweened.push(value); } }); if (!tick(elapsed)) d3.timer(tick, 0, time); return 1; } function tick(elapsed) { if (lock.active !== id) return stop(); var t = (elapsed - delay) / duration, e = ease(t), n = tweened.length; while (n > 0) { tweened[--n].call(node, e); } if (t >= 1) { stop(); event.end.call(node, d, i); return 1; } } function stop() { if (--lock.count) delete lock[id]; else delete node.__transition__; return 1; } }, 0, time); return transition; } } d3_transitionPrototype.select = function(selector) { var id = this.id, subgroups = [], subgroup, subnode, node; if (typeof selector !== "function") selector = d3_selection_selector(selector); for (var j = -1, m = this.length; ++j < m; ) { subgroups.push(subgroup = []); for (var group = this[j], i = -1, n = group.length; ++i < n; ) { if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i))) { if ("__data__" in node) subnode.__data__ = node.__data__; d3_transitionNode(subnode, i, id, node.__transition__[id]); subgroup.push(subnode); } else { subgroup.push(null); } } } return d3_transition(subgroups, id); }; d3_transitionPrototype.selectAll = function(selector) { var id = this.id, subgroups = [], subgroup, subnodes, node, subnode, transition; if (typeof selector !== "function") selector = d3_selection_selectorAll(selector); for (var j = -1, m = this.length; ++j < m; ) { for (var group = this[j], i = -1, n = group.length; ++i < n; ) { if (node = group[i]) { transition = node.__transition__[id]; subnodes = selector.call(node, node.__data__, i); subgroups.push(subgroup = []); for (var k = -1, o = subnodes.length; ++k < o; ) { d3_transitionNode(subnode = subnodes[k], k, id, transition); subgroup.push(subnode); } } } } return d3_transition(subgroups, id); }; d3_transitionPrototype.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 = []); for (var group = this[j], i = 0, n = group.length; i < n; i++) { if ((node = group[i]) && filter.call(node, node.__data__, i)) { subgroup.push(node); } } } return d3_transition(subgroups, this.id, this.time).ease(this.ease()); }; d3_transitionPrototype.attr = function(nameNS, value) { if (arguments.length < 2) { for (value in nameNS) this.attr(value, nameNS[value]); return this; } var interpolate = d3_interpolateByName(nameNS), name = d3.ns.qualify(nameNS); function attrNull() { this.removeAttribute(name); } function attrNullNS() { this.removeAttributeNS(name.space, name.local); } return d3_transition_tween(this, "attr." + nameNS, value, function(b) { function attrString() { var a = this.getAttribute(name), i; return a !== b && (i = interpolate(a, b), function(t) { this.setAttribute(name, i(t)); }); } function attrStringNS() { var a = this.getAttributeNS(name.space, name.local), i; return a !== b && (i = interpolate(a, b), function(t) { this.setAttributeNS(name.space, name.local, i(t)); }); } return b == null ? name.local ? attrNullNS : attrNull : (b += "", name.local ? attrStringNS : attrString); }); }; d3_transitionPrototype.attrTween = function(nameNS, tween) { var name = d3.ns.qualify(nameNS); function attrTween(d, i) { var f = tween.call(this, d, i, this.getAttribute(name)); return f && function(t) { this.setAttribute(name, f(t)); }; } function attrTweenNS(d, i) { var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local)); return f && function(t) { this.setAttributeNS(name.space, name.local, f(t)); }; } return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween); }; d3_transitionPrototype.style = function(name, value, priority) { var n = arguments.length; if (n < 3) { if (typeof name !== "string") { if (n < 2) value = ""; for (priority in name) this.style(priority, name[priority], value); return this; } priority = ""; } var interpolate = d3_interpolateByName(name); function styleNull() { this.style.removeProperty(name); } return d3_transition_tween(this, "style." + name, value, function(b) { function styleString() { var a = getComputedStyle(this, null).getPropertyValue(name), i; return a !== b && (i = interpolate(a, b), function(t) { this.style.setProperty(name, i(t), priority); }); } return b == null ? styleNull : (b += "", styleString); }); }; d3_transitionPrototype.styleTween = function(name, tween, priority) { if (arguments.length < 3) priority = ""; return this.tween("style." + name, function(d, i) { var f = tween.call(this, d, i, getComputedStyle(this, null).getPropertyValue(name)); return f && function(t) { this.style.setProperty(name, f(t), priority); }; }); }; d3_transitionPrototype.text = function(value) { return d3_transition_tween(this, "text", value, d3_transition_text); }; function d3_transition_text(b) { if (b == null) b = ""; return function() { this.textContent = b; }; } d3_transitionPrototype.remove = function() { return this.each("end.transition", function() { var p; if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this); }); }; d3_transitionPrototype.ease = function(value) { var id = this.id; if (arguments.length < 1) return this.node().__transition__[id].ease; if (typeof value !== "function") value = d3.ease.apply(d3, arguments); return d3_selection_each(this, function(node) { node.__transition__[id].ease = value; }); }; d3_transitionPrototype.delay = function(value) { var id = this.id; return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { node.__transition__[id].delay = value.call(node, node.__data__, i, j) | 0; } : (value |= 0, function(node) { node.__transition__[id].delay = value; })); }; d3_transitionPrototype.duration = function(value) { var id = this.id; return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { node.__transition__[id].duration = Math.max(1, value.call(node, node.__data__, i, j) | 0); } : (value = Math.max(1, value | 0), function(node) { node.__transition__[id].duration = value; })); }; d3_transitionPrototype.each = function(type, listener) { var id = this.id; if (arguments.length < 2) { var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId; d3_transitionInheritId = id; d3_selection_each(this, function(node, i, j) { d3_transitionInherit = node.__transition__[id]; type.call(node, node.__data__, i, j); }); d3_transitionInherit = inherit; d3_transitionInheritId = inheritId; } else { d3_selection_each(this, function(node) { node.__transition__[id].event.on(type, listener); }); } return this; }; d3_transitionPrototype.transition = function() { var id0 = this.id, id1 = ++d3_transitionId, subgroups = [], subgroup, group, node, transition; for (var j = 0, m = this.length; j < m; j++) { subgroups.push(subgroup = []); for (var group = this[j], i = 0, n = group.length; i < n; i++) { if (node = group[i]) { transition = Object.create(node.__transition__[id0]); transition.delay += transition.duration; d3_transitionNode(node, i, id1, transition); } subgroup.push(node); } } return d3_transition(subgroups, id1); }; d3_transitionPrototype.tween = function(name, tween) { var id = this.id; if (arguments.length < 2) return this.node().__transition__[id].tween.get(name); return d3_selection_each(this, tween == null ? function(node) { node.__transition__[id].tween.remove(name); } : function(node) { node.__transition__[id].tween.set(name, tween); }); }; function d3_transition_tween(groups, name, value, tween) { var id = groups.id; return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) { node.__transition__[id].tween.set(name, tween(value.call(node, node.__data__, i, j))); } : (value = tween(value), function(node) { node.__transition__[id].tween.set(name, value); })); } var d3_timer_id = 0, d3_timer_byId = {}, d3_timer_queue = null, d3_timer_interval, d3_timer_timeout; d3.timer = function(callback, delay, then) { if (arguments.length < 3) { if (arguments.length < 2) delay = 0; else if (!isFinite(delay)) return; then = Date.now(); } var timer = d3_timer_byId[callback.id]; if (timer && timer.callback === callback) { timer.then = then; timer.delay = delay; } else d3_timer_byId[callback.id = ++d3_timer_id] = d3_timer_queue = { callback: callback, then: then, delay: delay, next: d3_timer_queue }; if (!d3_timer_interval) { d3_timer_timeout = clearTimeout(d3_timer_timeout); d3_timer_interval = 1; d3_timer_frame(d3_timer_step); } }; function d3_timer_step() { var elapsed, now = Date.now(), t1 = d3_timer_queue; while (t1) { elapsed = now - t1.then; if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed); t1 = t1.next; } var delay = d3_timer_flush() - now; if (delay > 24) { if (isFinite(delay)) { clearTimeout(d3_timer_timeout); d3_timer_timeout = setTimeout(d3_timer_step, delay); } d3_timer_interval = 0; } else { d3_timer_interval = 1; d3_timer_frame(d3_timer_step); } } d3.timer.flush = function() { var elapsed, now = Date.now(), t1 = d3_timer_queue; while (t1) { elapsed = now - t1.then; if (!t1.delay) t1.flush = t1.callback(elapsed); t1 = t1.next; } d3_timer_flush(); }; function d3_timer_flush() { var t0 = null, t1 = d3_timer_queue, then = Infinity; while (t1) { if (t1.flush) { delete d3_timer_byId[t1.callback.id]; t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next; } else { then = Math.min(then, t1.then + t1.delay); t1 = (t0 = t1).next; } } return then; } var d3_timer_frame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(callback) { setTimeout(callback, 17); }; d3.mouse = function(container) { return d3_mousePoint(container, d3_eventSource()); }; var d3_mouse_bug44083 = /WebKit/.test(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 && (window.scrollX || window.scrollY)) { svg = d3.select(document.body).append("svg").style("position", "absolute").style("top", 0).style("left", 0); var ctm = svg[0][0].getScreenCTM(); d3_mouse_bug44083 = !(ctm.f || ctm.e); svg.remove(); } if (d3_mouse_bug44083) { point.x = e.pageX; point.y = e.pageY; } else { point.x = e.clientX; point.y = e.clientY; } point = point.matrixTransform(container.getScreenCTM().inverse()); return [ point.x, point.y ]; } 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; }) : []; }; function d3_noop() {} d3.scale = {}; function d3_scaleExtent(domain) { var start = domain[0], stop = domain[domain.length - 1]; return start < stop ? [ start, stop ] : [ stop, start ]; } function d3_scaleRange(scale) { return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range()); } function d3_scale_nice(domain, nice) { var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx; if (x1 < x0) { dx = i0, i0 = i1, i1 = dx; dx = x0, x0 = x1, x1 = dx; } if (nice = nice(x1 - x0)) { domain[i0] = nice.floor(x0); domain[i1] = nice.ceil(x1); } return domain; } function d3_scale_niceDefault() { return Math; } d3.scale.linear = function() { return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3.interpolate, false); }; function d3_scale_linear(domain, range, interpolate, clamp) { var output, input; function rescale() { var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber; output = linear(domain, range, uninterpolate, interpolate); input = linear(range, domain, uninterpolate, d3.interpolate); return scale; } function scale(x) { return output(x); } scale.invert = function(y) { return input(y); }; scale.domain = function(x) { if (!arguments.length) return domain; domain = x.map(Number); return rescale(); }; scale.range = function(x) { if (!arguments.length) return range; range = x; return rescale(); }; scale.rangeRound = function(x) { return scale.range(x).interpolate(d3.interpolateRound); }; scale.clamp = function(x) { if (!arguments.length) return clamp; clamp = x; return rescale(); }; scale.interpolate = function(x) { if (!arguments.length) return interpolate; interpolate = x; return rescale(); }; scale.ticks = function(m) { return d3_scale_linearTicks(domain, m); }; scale.tickFormat = function(m) { return d3_scale_linearTickFormat(domain, m); }; scale.nice = function() { d3_scale_nice(domain, d3_scale_linearNice); return rescale(); }; scale.copy = function() { return d3_scale_linear(domain, range, interpolate, clamp); }; return rescale(); } function d3_scale_linearRebind(scale, linear) { return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); } function d3_scale_linearNice(dx) { dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1); return dx && { floor: function(x) { return Math.floor(x / dx) * dx; }, ceil: function(x) { return Math.ceil(x / dx) * dx; } }; } function d3_scale_linearTickRange(domain, m) { var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step; if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2; extent[0] = Math.ceil(extent[0] / step) * step; extent[1] = Math.floor(extent[1] / step) * step + step * .5; extent[2] = step; return extent; } function d3_scale_linearTicks(domain, m) { return d3.range.apply(d3, d3_scale_linearTickRange(domain, m)); } function d3_scale_linearTickFormat(domain, m) { return d3.format(",." + Math.max(0, -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01)) + "f"); } function d3_scale_bilinear(domain, range, uninterpolate, interpolate) { var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]); return function(x) { return i(u(x)); }; } function d3_scale_polylinear(domain, range, uninterpolate, interpolate) { var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1; if (domain[k] < domain[0]) { domain = domain.slice().reverse(); range = range.slice().reverse(); } while (++j <= k) { u.push(uninterpolate(domain[j - 1], domain[j])); i.push(interpolate(range[j - 1], range[j])); } return function(x) { var j = d3.bisect(domain, x, 1, k) - 1; return i[j](u[j](x)); }; } d3.scale.log = function() { return d3_scale_log(d3.scale.linear(), d3_scale_logp); }; function d3_scale_log(linear, log) { var pow = log.pow; function scale(x) { return linear(log(x)); } scale.invert = function(x) { return pow(linear.invert(x)); }; scale.domain = function(x) { if (!arguments.length) return linear.domain().map(pow); log = x[0] < 0 ? d3_scale_logn : d3_scale_logp; pow = log.pow; linear.domain(x.map(log)); return scale; }; scale.nice = function() { linear.domain(d3_scale_nice(linear.domain(), d3_scale_niceDefault)); return scale; }; scale.ticks = function() { var extent = d3_scaleExtent(linear.domain()), ticks = []; if (extent.every(isFinite)) { var i = Math.floor(extent[0]), j = Math.ceil(extent[1]), u = pow(extent[0]), v = pow(extent[1]); if (log === d3_scale_logn) { ticks.push(pow(i)); for (;i++ < j; ) for (var k = 9; k > 0; k--) ticks.push(pow(i) * k); } else { for (;i < j; i++) for (var k = 1; k < 10; k++) ticks.push(pow(i) * k); ticks.push(pow(i)); } for (i = 0; ticks[i] < u; i++) {} for (j = ticks.length; ticks[j - 1] > v; j--) {} ticks = ticks.slice(i, j); } return ticks; }; scale.tickFormat = function(n, format) { if (arguments.length < 2) format = d3_scale_logFormat; if (!arguments.length) return format; var k = Math.max(.1, n / scale.ticks().length), f = log === d3_scale_logn ? (e = -1e-12, Math.floor) : (e = 1e-12, Math.ceil), e; return function(d) { return d / pow(f(log(d) + e)) <= k ? format(d) : ""; }; }; scale.copy = function() { return d3_scale_log(linear.copy(), log); }; return d3_scale_linearRebind(scale, linear); } var d3_scale_logFormat = d3.format(".0e"); function d3_scale_logp(x) { return Math.log(x < 0 ? 0 : x) / Math.LN10; } function d3_scale_logn(x) { return -Math.log(x > 0 ? 0 : -x) / Math.LN10; } d3_scale_logp.pow = function(x) { return Math.pow(10, x); }; d3_scale_logn.pow = function(x) { return -Math.pow(10, -x); }; d3.scale.pow = function() { return d3_scale_pow(d3.scale.linear(), 1); }; function d3_scale_pow(linear, exponent) { var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent); function scale(x) { return linear(powp(x)); } scale.invert = function(x) { return powb(linear.invert(x)); }; scale.domain = function(x) { if (!arguments.length) return linear.domain().map(powb); linear.domain(x.map(powp)); return scale; }; scale.ticks = function(m) { return d3_scale_linearTicks(scale.domain(), m); }; scale.tickFormat = function(m) { return d3_scale_linearTickFormat(scale.domain(), m); }; scale.nice = function() { return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice)); }; scale.exponent = function(x) { if (!arguments.length) return exponent; var domain = scale.domain(); powp = d3_scale_powPow(exponent = x); powb = d3_scale_powPow(1 / exponent); return scale.domain(domain); }; scale.copy = function() { return d3_scale_pow(linear.copy(), exponent); }; return d3_scale_linearRebind(scale, linear); } function d3_scale_powPow(e) { return function(x) { return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e); }; } d3.scale.sqrt = function() { return d3.scale.pow().exponent(.5); }; d3.scale.ordinal = function() { return d3_scale_ordinal([], { t: "range", a: [ [] ] }); }; function d3_scale_ordinal(domain, ranger) { var index, range, rangeBand; function scale(x) { return range[((index.get(x) || index.set(x, domain.push(x))) - 1) % range.length]; } function steps(start, step) { return d3.range(domain.length).map(function(i) { return start + step * i; }); } scale.domain = function(x) { if (!arguments.length) return domain; domain = []; index = new d3_Map(); var i = -1, n = x.length, xi; while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi)); return scale[ranger.t].apply(scale, ranger.a); }; scale.range = function(x) { if (!arguments.length) return range; range = x; rangeBand = 0; ranger = { t: "range", a: arguments }; return scale; }; scale.rangePoints = function(x, padding) { if (arguments.length < 2) padding = 0; var start = x[0], stop = x[1], step = (stop - start) / (Math.max(1, domain.length - 1) + padding); range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step); rangeBand = 0; ranger = { t: "rangePoints", a: arguments }; return scale; }; scale.rangeBands = function(x, padding, outerPadding) { if (arguments.length < 2) padding = 0; if (arguments.length < 3) outerPadding = padding; var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding); range = steps(start + step * outerPadding, step); if (reverse) range.reverse(); rangeBand = step * (1 - padding); ranger = { t: "rangeBands", a: arguments }; return scale; }; scale.rangeRoundBands = function(x, padding, outerPadding) { if (arguments.length < 2) padding = 0; if (arguments.length < 3) outerPadding = padding; var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)), error = stop - start - (domain.length - padding) * step; range = steps(start + Math.round(error / 2), step); if (reverse) range.reverse(); rangeBand = Math.round(step * (1 - padding)); ranger = { t: "rangeRoundBands", a: arguments }; return scale; }; scale.rangeBand = function() { return rangeBand; }; scale.rangeExtent = function() { return d3_scaleExtent(ranger.a[0]); }; scale.copy = function() { return d3_scale_ordinal(domain, ranger); }; return scale.domain(domain); } d3.scale.category10 = function() { return d3.scale.ordinal().range(d3_category10); }; d3.scale.category20 = function() { return d3.scale.ordinal().range(d3_category20); }; d3.scale.category20b = function() { return d3.scale.ordinal().range(d3_category20b); }; d3.scale.category20c = function() { return d3.scale.ordinal().range(d3_category20c); }; var d3_category10 = [ "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd", "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf" ]; var d3_category20 = [ "#1f77b4", "#aec7e8", "#ff7f0e", "#ffbb78", "#2ca02c", "#98df8a", "#d62728", "#ff9896", "#9467bd", "#c5b0d5", "#8c564b", "#c49c94", "#e377c2", "#f7b6d2", "#7f7f7f", "#c7c7c7", "#bcbd22", "#dbdb8d", "#17becf", "#9edae5" ]; var d3_category20b = [ "#393b79", "#5254a3", "#6b6ecf", "#9c9ede", "#637939", "#8ca252", "#b5cf6b", "#cedb9c", "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94", "#843c39", "#ad494a", "#d6616b", "#e7969c", "#7b4173", "#a55194", "#ce6dbd", "#de9ed6" ]; var d3_category20c = [ "#3182bd", "#6baed6", "#9ecae1", "#c6dbef", "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2", "#31a354", "#74c476", "#a1d99b", "#c7e9c0", "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb", "#636363", "#969696", "#bdbdbd", "#d9d9d9" ]; d3.scale.quantile = function() { return d3_scale_quantile([], []); }; function d3_scale_quantile(domain, range) { var thresholds; function rescale() { var k = 0, q = range.length; thresholds = []; while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q); return scale; } function scale(x) { if (isNaN(x = +x)) return NaN; return range[d3.bisect(thresholds, x)]; } scale.domain = function(x) { if (!arguments.length) return domain; domain = x.filter(function(d) { return !isNaN(d); }).sort(d3.ascending); return rescale(); }; scale.range = function(x) { if (!arguments.length) return range; range = x; return rescale(); }; scale.quantiles = function() { return thresholds; }; scale.copy = function() { return d3_scale_quantile(domain, range); }; return rescale(); } d3.scale.quantize = function() { return d3_scale_quantize(0, 1, [ 0, 1 ]); }; function d3_scale_quantize(x0, x1, range) { var kx, i; function scale(x) { return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))]; } function rescale() { kx = range.length / (x1 - x0); i = range.length - 1; return scale; } scale.domain = function(x) { if (!arguments.length) return [ x0, x1 ]; x0 = +x[0]; x1 = +x[x.length - 1]; return rescale(); }; scale.range = function(x) { if (!arguments.length) return range; range = x; return rescale(); }; scale.copy = function() { return d3_scale_quantize(x0, x1, range); }; return rescale(); } d3.scale.threshold = function() { return d3_scale_threshold([ .5 ], [ 0, 1 ]); }; function d3_scale_threshold(domain, range) { function scale(x) { return range[d3.bisect(domain, x)]; } scale.domain = function(_) { if (!arguments.length) return domain; domain = _; return scale; }; scale.range = function(_) { if (!arguments.length) return range; range = _; return scale; }; scale.copy = function() { return d3_scale_threshold(domain, range); }; return scale; } d3.scale.identity = function() { return d3_scale_identity([ 0, 1 ]); }; function d3_scale_identity(domain) { function identity(x) { return +x; } identity.invert = identity; identity.domain = identity.range = function(x) { if (!arguments.length) return domain; domain = x.map(identity); return identity; }; identity.ticks = function(m) { return d3_scale_linearTicks(domain, m); }; identity.tickFormat = function(m) { return d3_scale_linearTickFormat(domain, m); }; identity.copy = function() { return d3_scale_identity(domain); }; return identity; } d3.svg = {}; d3.svg.arc = function() { var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle; function arc() { var r0 = innerRadius.apply(this, arguments), r1 = outerRadius.apply(this, arguments), a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset, a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset, da = (a1 < a0 && (da = a0, a0 = a1, a1 = da), a1 - a0), df = da < π ? "0" : "1", c0 = Math.cos(a0), s0 = Math.sin(a0), c1 = Math.cos(a1), s1 = Math.sin(a1); return da >= d3_svg_arcMax ? r0 ? "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "M0," + r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + -r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + r0 + "Z" : "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "Z" : r0 ? "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L" + r0 * c1 + "," + r0 * s1 + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0 + "Z" : "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L0,0" + "Z"; } arc.innerRadius = function(v) { if (!arguments.length) return innerRadius; innerRadius = d3_functor(v); return arc; }; arc.outerRadius = function(v) { if (!arguments.length) return outerRadius; outerRadius = d3_functor(v); return arc; }; arc.startAngle = function(v) { if (!arguments.length) return startAngle; startAngle = d3_functor(v); return arc; }; arc.endAngle = function(v) { if (!arguments.length) return endAngle; endAngle = d3_functor(v); return arc; }; arc.centroid = function() { var r = (innerRadius.apply(this, arguments) + outerRadius.apply(this, arguments)) / 2, a = (startAngle.apply(this, arguments) + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset; return [ Math.cos(a) * r, Math.sin(a) * r ]; }; return arc; }; var d3_svg_arcOffset = -π / 2, d3_svg_arcMax = 2 * π - 1e-6; function d3_svg_arcInnerRadius(d) { return d.innerRadius; } function d3_svg_arcOuterRadius(d) { return d.outerRadius; } function d3_svg_arcStartAngle(d) { return d.startAngle; } function d3_svg_arcEndAngle(d) { return d.endAngle; } function d3_svg_line(projection) { var x = d3_svg_lineX, y = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7; function line(data) { var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y); function segment() { segments.push("M", interpolate(projection(points), tension)); } while (++i < n) { if (defined.call(this, d = data[i], i)) { points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]); } else if (points.length) { segment(); points = []; } } if (points.length) segment(); return segments.length ? segments.join("") : null; } line.x = function(_) { if (!arguments.length) return x; x = _; return line; }; line.y = function(_) { if (!arguments.length) return y; y = _; return line; }; line.defined = function(_) { if (!arguments.length) return defined; defined = _; return line; }; line.interpolate = function(_) { if (!arguments.length) return interpolateKey; if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; return line; }; line.tension = function(_) { if (!arguments.length) return tension; tension = _; return line; }; return line; } d3.svg.line = function() { return d3_svg_line(d3_identity); }; function d3_svg_lineX(d) { return d[0]; } function d3_svg_lineY(d) { return d[1]; } var d3_svg_lineInterpolators = d3.map({ linear: d3_svg_lineLinear, "linear-closed": d3_svg_lineLinearClosed, "step-before": d3_svg_lineStepBefore, "step-after": d3_svg_lineStepAfter, basis: d3_svg_lineBasis, "basis-open": d3_svg_lineBasisOpen, "basis-closed": d3_svg_lineBasisClosed, bundle: d3_svg_lineBundle, cardinal: d3_svg_lineCardinal, "cardinal-open": d3_svg_lineCardinalOpen, "cardinal-closed": d3_svg_lineCardinalClosed, monotone: d3_svg_lineMonotone }); d3_svg_lineInterpolators.forEach(function(key, value) { value.key = key; value.closed = /-closed$/.test(key); }); function d3_svg_lineLinear(points) { return points.join("L"); } function d3_svg_lineLinearClosed(points) { return d3_svg_lineLinear(points) + "Z"; } function d3_svg_lineStepBefore(points) { var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]); return path.join(""); } function d3_svg_lineStepAfter(points) { var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]); return path.join(""); } function d3_svg_lineCardinalOpen(points, tension) { return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1), d3_svg_lineCardinalTangents(points, tension)); } function d3_svg_lineCardinalClosed(points, tension) { return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension)); } function d3_svg_lineCardinal(points, tension) { return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension)); } function d3_svg_lineHermite(points, tangents) { if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) { return d3_svg_lineLinear(points); } var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1; if (quad) { path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1]; p0 = points[1]; pi = 2; } if (tangents.length > 1) { t = tangents[1]; p = points[pi]; pi++; path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; for (var i = 2; i < tangents.length; i++, pi++) { p = points[pi]; t = tangents[i]; path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; } } if (quad) { var lp = points[pi]; path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1]; } return path; } function d3_svg_lineCardinalTangents(points, tension) { var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length; while (++i < n) { p0 = p1; p1 = p2; p2 = points[i]; tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]); } return tangents; } function d3_svg_lineBasis(points) { if (points.length < 3) return d3_svg_lineLinear(points); var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0 ]; d3_svg_lineBasisBezier(path, px, py); while (++i < n) { pi = points[i]; px.shift(); px.push(pi[0]); py.shift(); py.push(pi[1]); d3_svg_lineBasisBezier(path, px, py); } i = -1; while (++i < 2) { px.shift(); px.push(pi[0]); py.shift(); py.push(pi[1]); d3_svg_lineBasisBezier(path, px, py); } return path.join(""); } function d3_svg_lineBasisOpen(points) { if (points.length < 4) return d3_svg_lineLinear(points); var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ]; while (++i < 3) { pi = points[i]; px.push(pi[0]); py.push(pi[1]); } path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)); --i; while (++i < n) { pi = points[i]; px.shift(); px.push(pi[0]); py.shift(); py.push(pi[1]); d3_svg_lineBasisBezier(path, px, py); } return path.join(""); } function d3_svg_lineBasisClosed(points) { var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = []; while (++i < 4) { pi = points[i % n]; px.push(pi[0]); py.push(pi[1]); } path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; --i; while (++i < m) { pi = points[i % n]; px.shift(); px.push(pi[0]); py.shift(); py.push(pi[1]); d3_svg_lineBasisBezier(path, px, py); } return path.join(""); } function d3_svg_lineBundle(points, tension) { var n = points.length - 1; if (n) { var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t; while (++i <= n) { p = points[i]; t = i / n; p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx); p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy); } } return d3_svg_lineBasis(points); } function d3_svg_lineDot4(a, b) { return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; } var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ]; function d3_svg_lineBasisBezier(path, x, y) { path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y)); } function d3_svg_lineSlope(p0, p1) { return (p1[1] - p0[1]) / (p1[0] - p0[0]); } function d3_svg_lineFiniteDifferences(points) { var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1); while (++i < j) { m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2; } m[i] = d; return m; } function d3_svg_lineMonotoneTangents(points) { var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1; while (++i < j) { d = d3_svg_lineSlope(points[i], points[i + 1]); if (Math.abs(d) < 1e-6) { m[i] = m[i + 1] = 0; } else { a = m[i] / d; b = m[i + 1] / d; s = a * a + b * b; if (s > 9) { s = d * 3 / Math.sqrt(s); m[i] = s * a; m[i + 1] = s * b; } } } i = -1; while (++i <= j) { s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i])); tangents.push([ s || 0, m[i] * s || 0 ]); } return tangents; } function d3_svg_lineMonotone(points) { return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points)); } d3.svg.line.radial = function() { var line = d3_svg_line(d3_svg_lineRadial); line.radius = line.x, delete line.x; line.angle = line.y, delete line.y; return line; }; function d3_svg_lineRadial(points) { var point, i = -1, n = points.length, r, a; while (++i < n) { point = points[i]; r = point[0]; a = point[1] + d3_svg_arcOffset; point[0] = r * Math.cos(a); point[1] = r * Math.sin(a); } return points; } function d3_svg_area(projection) { var x0 = d3_svg_lineX, x1 = d3_svg_lineX, y0 = 0, y1 = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7; function area(data) { var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() { return x; } : d3_functor(x1), fy1 = y0 === y1 ? function() { return y; } : d3_functor(y1), x, y; function segment() { segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z"); } while (++i < n) { if (defined.call(this, d = data[i], i)) { points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]); points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]); } else if (points0.length) { segment(); points0 = []; points1 = []; } } if (points0.length) segment(); return segments.length ? segments.join("") : null; } area.x = function(_) { if (!arguments.length) return x1; x0 = x1 = _; return area; }; area.x0 = function(_) { if (!arguments.length) return x0; x0 = _; return area; }; area.x1 = function(_) { if (!arguments.length) return x1; x1 = _; return area; }; area.y = function(_) { if (!arguments.length) return y1; y0 = y1 = _; return area; }; area.y0 = function(_) { if (!arguments.length) return y0; y0 = _; return area; }; area.y1 = function(_) { if (!arguments.length) return y1; y1 = _; return area; }; area.defined = function(_) { if (!arguments.length) return defined; defined = _; return area; }; area.interpolate = function(_) { if (!arguments.length) return interpolateKey; if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; interpolateReverse = interpolate.reverse || interpolate; L = interpolate.closed ? "M" : "L"; return area; }; area.tension = function(_) { if (!arguments.length) return tension; tension = _; return area; }; return area; } d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter; d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore; d3.svg.area = function() { return d3_svg_area(d3_identity); }; d3.svg.area.radial = function() { var area = d3_svg_area(d3_svg_lineRadial); area.radius = area.x, delete area.x; area.innerRadius = area.x0, delete area.x0; area.outerRadius = area.x1, delete area.x1; area.angle = area.y, delete area.y; area.startAngle = area.y0, delete area.y0; area.endAngle = area.y1, delete area.y1; return area; }; d3.svg.chord = function() { var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle; function chord(d, i) { var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i); return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z"; } function subgroup(self, f, d, i) { var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset, a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset; return { r: r, a0: a0, a1: a1, p0: [ r * Math.cos(a0), r * Math.sin(a0) ], p1: [ r * Math.cos(a1), r * Math.sin(a1) ] }; } function equals(a, b) { return a.a0 == b.a0 && a.a1 == b.a1; } function arc(r, p, a) { return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p; } function curve(r0, p0, r1, p1) { return "Q 0,0 " + p1; } chord.radius = function(v) { if (!arguments.length) return radius; radius = d3_functor(v); return chord; }; chord.source = function(v) { if (!arguments.length) return source; source = d3_functor(v); return chord; }; chord.target = function(v) { if (!arguments.length) return target; target = d3_functor(v); return chord; }; chord.startAngle = function(v) { if (!arguments.length) return startAngle; startAngle = d3_functor(v); return chord; }; chord.endAngle = function(v) { if (!arguments.length) return endAngle; endAngle = d3_functor(v); return chord; }; return chord; }; function d3_svg_chordRadius(d) { return d.radius; } d3.svg.diagonal = function() { var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection; function diagonal(d, i) { var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, { x: p0.x, y: m }, { x: p3.x, y: m }, p3 ]; p = p.map(projection); return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3]; } diagonal.source = function(x) { if (!arguments.length) return source; source = d3_functor(x); return diagonal; }; diagonal.target = function(x) { if (!arguments.length) return target; target = d3_functor(x); return diagonal; }; diagonal.projection = function(x) { if (!arguments.length) return projection; projection = x; return diagonal; }; return diagonal; }; function d3_svg_diagonalProjection(d) { return [ d.x, d.y ]; } d3.svg.diagonal.radial = function() { var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection; diagonal.projection = function(x) { return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection; }; return diagonal; }; function d3_svg_diagonalRadialProjection(projection) { return function() { var d = projection.apply(this, arguments), r = d[0], a = d[1] + d3_svg_arcOffset; return [ r * Math.cos(a), r * Math.sin(a) ]; }; } d3.svg.symbol = function() { var type = d3_svg_symbolType, size = d3_svg_symbolSize; function symbol(d, i) { return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i)); } symbol.type = function(x) { if (!arguments.length) return type; type = d3_functor(x); return symbol; }; symbol.size = function(x) { if (!arguments.length) return size; size = d3_functor(x); return symbol; }; return symbol; }; function d3_svg_symbolSize() { return 64; } function d3_svg_symbolType() { return "circle"; } function d3_svg_symbolCircle(size) { var r = Math.sqrt(size / π); return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z"; } var d3_svg_symbols = d3.map({ circle: d3_svg_symbolCircle, cross: function(size) { var r = Math.sqrt(size / 5) / 2; return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z"; }, diamond: function(size) { var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30; return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z"; }, square: function(size) { var r = Math.sqrt(size) / 2; return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z"; }, "triangle-down": function(size) { var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z"; }, "triangle-up": function(size) { var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z"; } }); d3.svg.symbolTypes = d3_svg_symbols.keys(); var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians); d3.svg.axis = function() { var scale = d3.scale.linear(), orient = "bottom", tickMajorSize = 6, tickMinorSize = 6, tickEndSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_, tickSubdivide = 0; function axis(g) { g.each(function() { var g = d3.select(this); var ticks = tickValues == null ? scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain() : tickValues, tickFormat = tickFormat_ == null ? scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String : tickFormat_; var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide), subtick = g.selectAll(".minor").data(subticks, String), subtickEnter = subtick.enter().insert("line", "g").attr("class", "tick minor").style("opacity", 1e-6), subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(), subtickUpdate = d3.transition(subtick).style("opacity", 1); var tick = g.selectAll("g").data(ticks, String), tickEnter = tick.enter().insert("g", "path").style("opacity", 1e-6), tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(), tickUpdate = d3.transition(tick).style("opacity", 1), tickTransform; var range = d3_scaleRange(scale), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = d3.transition(path); var scale1 = scale.copy(), scale0 = this.__chart__ || scale1; this.__chart__ = scale1; path.enter().append("path").attr("class", "domain"); tickEnter.append("line").attr("class", "tick"); tickEnter.append("text"); var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"); switch (orient) { case "bottom": { tickTransform = d3_svg_axisX; subtickEnter.attr("y2", tickMinorSize); subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize); lineEnter.attr("y2", tickMajorSize); textEnter.attr("y", Math.max(tickMajorSize, 0) + tickPadding); lineUpdate.attr("x2", 0).attr("y2", tickMajorSize); textUpdate.attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding); text.attr("dy", ".71em").style("text-anchor", "middle"); pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize); break; } case "top": { tickTransform = d3_svg_axisX; subtickEnter.attr("y2", -tickMinorSize); subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize); lineEnter.attr("y2", -tickMajorSize); textEnter.attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)); lineUpdate.attr("x2", 0).attr("y2", -tickMajorSize); textUpdate.attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)); text.attr("dy", "0em").style("text-anchor", "middle"); pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize); break; } case "left": { tickTransform = d3_svg_axisY; subtickEnter.attr("x2", -tickMinorSize); subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0); lineEnter.attr("x2", -tickMajorSize); textEnter.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)); lineUpdate.attr("x2", -tickMajorSize).attr("y2", 0); textUpdate.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0); text.attr("dy", ".32em").style("text-anchor", "end"); pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize); break; } case "right": { tickTransform = d3_svg_axisY; subtickEnter.attr("x2", tickMinorSize); subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0); lineEnter.attr("x2", tickMajorSize); textEnter.attr("x", Math.max(tickMajorSize, 0) + tickPadding); lineUpdate.attr("x2", tickMajorSize).attr("y2", 0); textUpdate.attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0); text.attr("dy", ".32em").style("text-anchor", "start"); pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize); break; } } if (scale.ticks) { tickEnter.call(tickTransform, scale0); tickUpdate.call(tickTransform, scale1); tickExit.call(tickTransform, scale1); subtickEnter.call(tickTransform, scale0); subtickUpdate.call(tickTransform, scale1); subtickExit.call(tickTransform, scale1); } else { var dx = scale1.rangeBand() / 2, x = function(d) { return scale1(d) + dx; }; tickEnter.call(tickTransform, x); tickUpdate.call(tickTransform, x); } }); } axis.scale = function(x) { if (!arguments.length) return scale; scale = x; return axis; }; axis.orient = function(x) { if (!arguments.length) return orient; orient = x; return axis; }; axis.ticks = function() { if (!arguments.length) return tickArguments_; tickArguments_ = arguments; return axis; }; axis.tickValues = function(x) { if (!arguments.length) return tickValues; tickValues = x; return axis; }; axis.tickFormat = function(x) { if (!arguments.length) return tickFormat_; tickFormat_ = x; return axis; }; axis.tickSize = function(x, y) { if (!arguments.length) return tickMajorSize; var n = arguments.length - 1; tickMajorSize = +x; tickMinorSize = n > 1 ? +y : tickMajorSize; tickEndSize = n > 0 ? +arguments[n] : tickMajorSize; return axis; }; axis.tickPadding = function(x) { if (!arguments.length) return tickPadding; tickPadding = +x; return axis; }; axis.tickSubdivide = function(x) { if (!arguments.length) return tickSubdivide; tickSubdivide = +x; return axis; }; return axis; }; function d3_svg_axisX(selection, x) { selection.attr("transform", function(d) { return "translate(" + x(d) + ",0)"; }); } function d3_svg_axisY(selection, y) { selection.attr("transform", function(d) { return "translate(0," + y(d) + ")"; }); } function d3_svg_axisSubdivide(scale, ticks, m) { subticks = []; if (m && ticks.length > 1) { var extent = d3_scaleExtent(scale.domain()), subticks, i = -1, n = ticks.length, d = (ticks[1] - ticks[0]) / ++m, j, v; while (++i < n) { for (j = m; --j > 0; ) { if ((v = +ticks[i] - j * d) >= extent[0]) { subticks.push(v); } } } for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1]; ) { subticks.push(v); } } return subticks; } d3.svg.brush = function() { var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, resizes = d3_svg_brushResizes[0], extent = [ [ 0, 0 ], [ 0, 0 ] ], extentDomain; function brush(g) { g.each(function() { var g = d3.select(this), bg = g.selectAll(".background").data([ 0 ]), fg = g.selectAll(".extent").data([ 0 ]), tz = g.selectAll(".resize").data(resizes, String), e; g.style("pointer-events", "all").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart); bg.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair"); fg.enter().append("rect").attr("class", "extent").style("cursor", "move"); tz.enter().append("g").attr("class", function(d) { return "resize " + d; }).style("cursor", function(d) { return d3_svg_brushCursor[d]; }).append("rect").attr("x", function(d) { return /[ew]$/.test(d) ? -3 : null; }).attr("y", function(d) { return /^[ns]/.test(d) ? -3 : null; }).attr("width", 6).attr("height", 6).style("visibility", "hidden"); tz.style("display", brush.empty() ? "none" : null); tz.exit().remove(); if (x) { e = d3_scaleRange(x); bg.attr("x", e[0]).attr("width", e[1] - e[0]); redrawX(g); } if (y) { e = d3_scaleRange(y); bg.attr("y", e[0]).attr("height", e[1] - e[0]); redrawY(g); } redraw(g); }); } function redraw(g) { g.selectAll(".resize").attr("transform", function(d) { return "translate(" + extent[+/e$/.test(d)][0] + "," + extent[+/^s/.test(d)][1] + ")"; }); } function redrawX(g) { g.select(".extent").attr("x", extent[0][0]); g.selectAll(".extent,.n>rect,.s>rect").attr("width", extent[1][0] - extent[0][0]); } function redrawY(g) { g.select(".extent").attr("y", extent[0][1]); g.selectAll(".extent,.e>rect,.w>rect").attr("height", extent[1][1] - extent[0][1]); } function brushstart() { var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), center, origin = mouse(), offset; var w = d3.select(window).on("mousemove.brush", brushmove).on("mouseup.brush", brushend).on("touchmove.brush", brushmove).on("touchend.brush", brushend).on("keydown.brush", keydown).on("keyup.brush", keyup); if (dragging) { origin[0] = extent[0][0] - origin[0]; origin[1] = extent[0][1] - origin[1]; } else if (resizing) { var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing); offset = [ extent[1 - ex][0] - origin[0], extent[1 - ey][1] - origin[1] ]; origin[0] = extent[ex][0]; origin[1] = extent[ey][1]; } else if (d3.event.altKey) center = origin.slice(); g.style("pointer-events", "none").selectAll(".resize").style("display", null); d3.select("body").style("cursor", eventTarget.style("cursor")); event_({ type: "brushstart" }); brushmove(); d3_eventCancel(); function mouse() { var touches = d3.event.changedTouches; return touches ? d3.touches(target, touches)[0] : d3.mouse(target); } function keydown() { if (d3.event.keyCode == 32) { if (!dragging) { center = null; origin[0] -= extent[1][0]; origin[1] -= extent[1][1]; dragging = 2; } d3_eventCancel(); } } function keyup() { if (d3.event.keyCode == 32 && dragging == 2) { origin[0] += extent[1][0]; origin[1] += extent[1][1]; dragging = 0; d3_eventCancel(); } } function brushmove() { var point = mouse(), moved = false; if (offset) { point[0] += offset[0]; point[1] += offset[1]; } if (!dragging) { if (d3.event.altKey) { if (!center) center = [ (extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2 ]; origin[0] = extent[+(point[0] < center[0])][0]; origin[1] = extent[+(point[1] < center[1])][1]; } else center = null; } if (resizingX && move1(point, x, 0)) { redrawX(g); moved = true; } if (resizingY && move1(point, y, 1)) { redrawY(g); moved = true; } if (moved) { redraw(g); event_({ type: "brush", mode: dragging ? "move" : "resize" }); } } function move1(point, scale, i) { var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], size = extent[1][i] - extent[0][i], min, max; if (dragging) { r0 -= position; r1 -= size + position; } min = Math.max(r0, Math.min(r1, point[i])); if (dragging) { max = (min += position) + size; } else { if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min)); if (position < min) { max = min; min = position; } else { max = position; } } if (extent[0][i] !== min || extent[1][i] !== max) { extentDomain = null; extent[0][i] = min; extent[1][i] = max; return true; } } function brushend() { brushmove(); g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null); d3.select("body").style("cursor", null); w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null); event_({ type: "brushend" }); d3_eventCancel(); } } brush.x = function(z) { if (!arguments.length) return x; x = z; resizes = d3_svg_brushResizes[!x << 1 | !y]; return brush; }; brush.y = function(z) { if (!arguments.length) return y; y = z; resizes = d3_svg_brushResizes[!x << 1 | !y]; return brush; }; brush.extent = function(z) { var x0, x1, y0, y1, t; if (!arguments.length) { z = extentDomain || extent; if (x) { x0 = z[0][0], x1 = z[1][0]; if (!extentDomain) { x0 = extent[0][0], x1 = extent[1][0]; if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1); if (x1 < x0) t = x0, x0 = x1, x1 = t; } } if (y) { y0 = z[0][1], y1 = z[1][1]; if (!extentDomain) { y0 = extent[0][1], y1 = extent[1][1]; if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1); if (y1 < y0) t = y0, y0 = y1, y1 = t; } } return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ]; } extentDomain = [ [ 0, 0 ], [ 0, 0 ] ]; if (x) { x0 = z[0], x1 = z[1]; if (y) x0 = x0[0], x1 = x1[0]; extentDomain[0][0] = x0, extentDomain[1][0] = x1; if (x.invert) x0 = x(x0), x1 = x(x1); if (x1 < x0) t = x0, x0 = x1, x1 = t; extent[0][0] = x0 | 0, extent[1][0] = x1 | 0; } if (y) { y0 = z[0], y1 = z[1]; if (x) y0 = y0[1], y1 = y1[1]; extentDomain[0][1] = y0, extentDomain[1][1] = y1; if (y.invert) y0 = y(y0), y1 = y(y1); if (y1 < y0) t = y0, y0 = y1, y1 = t; extent[0][1] = y0 | 0, extent[1][1] = y1 | 0; } return brush; }; brush.clear = function() { extentDomain = null; extent[0][0] = extent[0][1] = extent[1][0] = extent[1][1] = 0; return brush; }; brush.empty = function() { return x && extent[0][0] === extent[1][0] || y && extent[0][1] === extent[1][1]; }; return d3.rebind(brush, event, "on"); }; var d3_svg_brushCursor = { n: "ns-resize", e: "ew-resize", s: "ns-resize", w: "ew-resize", nw: "nwse-resize", ne: "nesw-resize", se: "nwse-resize", sw: "nesw-resize" }; var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ]; d3.behavior = {}; d3.behavior.drag = function() { var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null; function drag() { this.on("mousedown.drag", mousedown).on("touchstart.drag", mousedown); } function mousedown() { var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, touchId = d3.event.touches ? d3.event.changedTouches[0].identifier : null, offset, origin_ = point(), moved = 0; var w = d3.select(window).on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", dragmove).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", dragend, true); if (origin) { offset = origin.apply(target, arguments); offset = [ offset.x - origin_[0], offset.y - origin_[1] ]; } else { offset = [ 0, 0 ]; } if (touchId == null) d3_eventCancel(); event_({ type: "dragstart" }); function point() { var p = target.parentNode; return touchId != null ? d3.touches(p).filter(function(p) { return p.identifier === touchId; })[0] : d3.mouse(p); } function dragmove() { if (!target.parentNode) return dragend(); var p = point(), dx = p[0] - origin_[0], dy = p[1] - origin_[1]; moved |= dx | dy; origin_ = p; d3_eventCancel(); event_({ type: "drag", x: p[0] + offset[0], y: p[1] + offset[1], dx: dx, dy: dy }); } function dragend() { event_({ type: "dragend" }); if (moved) { d3_eventCancel(); if (d3.event.target === eventTarget) w.on("click.drag", click, true); } w.on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", null).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", null); } function click() { d3_eventCancel(); w.on("click.drag", null); } } 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, scale0, scaleExtent = d3_behavior_zoomInfinity, event = d3_eventDispatch(zoom, "zoom"), x0, x1, y0, y1, touchtime; function zoom() { this.on("mousedown.zoom", mousedown).on("mousewheel.zoom", mousewheel).on("mousemove.zoom", mousemove).on("DOMMouseScroll.zoom", mousewheel).on("dblclick.zoom", dblclick).on("touchstart.zoom", touchstart).on("touchmove.zoom", touchmove).on("touchend.zoom", touchstart); } 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(); d3.event.preventDefault(); event({ type: "zoom", scale: scale, translate: translate }); } function mousedown() { var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, moved = 0, w = d3.select(window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup), l = location(d3.mouse(target)); window.focus(); d3_eventCancel(); function mousemove() { moved = 1; translateTo(d3.mouse(target), l); dispatch(event_); } function mouseup() { if (moved) d3_eventCancel(); w.on("mousemove.zoom", null).on("mouseup.zoom", null); if (moved && d3.event.target === eventTarget) w.on("click.zoom", click, true); } function click() { d3_eventCancel(); w.on("click.zoom", null); } } function mousewheel() { 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 mousemove() { translate0 = null; } function dblclick() { 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)); } function touchstart() { var touches = d3.touches(this), now = Date.now(); scale0 = scale; translate0 = {}; touches.forEach(function(t) { translate0[t.identifier] = location(t); }); d3_eventCancel(); if (touches.length === 1) { if (now - touchtime < 500) { var p = touches[0], l = location(touches[0]); scaleTo(scale * 2); translateTo(p, l); dispatch(event.of(this, arguments)); } touchtime = now; } } function touchmove() { var touches = d3.touches(this), p0 = touches[0], l0 = translate0[p0.identifier]; if (p1 = touches[1]) { var p1, l1 = translate0[p1.identifier]; p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ]; l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ]; scaleTo(d3.event.scale * scale0); } translateTo(p0, l0); touchtime = null; dispatch(event.of(this, arguments)); } return d3.rebind(zoom, event, "on"); }; var d3_behavior_zoomDiv, d3_behavior_zoomInfinity = [ 0, Infinity ]; function d3_behavior_zoomDelta() { if (!d3_behavior_zoomDiv) { d3_behavior_zoomDiv = d3.select("body").append("div").style("visibility", "hidden").style("top", 0).style("height", 0).style("width", 0).style("overflow-y", "scroll").append("div").style("height", "2000px").node().parentNode; } var e = d3.event, delta; try { d3_behavior_zoomDiv.scrollTop = 1e3; d3_behavior_zoomDiv.dispatchEvent(e); delta = 1e3 - d3_behavior_zoomDiv.scrollTop; } catch (error) { delta = e.wheelDelta || -e.detail * 5; } return delta; } d3.layout = {}; d3.layout.bundle = function() { return function(links) { var paths = [], i = -1, n = links.length; while (++i < n) paths.push(d3_layout_bundlePath(links[i])); return paths; }; }; function d3_layout_bundlePath(link) { var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ]; while (start !== lca) { start = start.parent; points.push(start); } var k = points.length; while (end !== lca) { points.splice(k, 0, end); end = end.parent; } return points; } function d3_layout_bundleAncestors(node) { var ancestors = [], parent = node.parent; while (parent != null) { ancestors.push(node); node = parent; parent = parent.parent; } ancestors.push(node); return ancestors; } function d3_layout_bundleLeastCommonAncestor(a, b) { if (a === b) return a; var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null; while (aNode === bNode) { sharedNode = aNode; aNode = aNodes.pop(); bNode = bNodes.pop(); } return sharedNode; } d3.layout.chord = function() { var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords; function relayout() { var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j; chords = []; groups = []; k = 0, i = -1; while (++i < n) { x = 0, j = -1; while (++j < n) { x += matrix[i][j]; } groupSums.push(x); subgroupIndex.push(d3.range(n)); k += x; } if (sortGroups) { groupIndex.sort(function(a, b) { return sortGroups(groupSums[a], groupSums[b]); }); } if (sortSubgroups) { subgroupIndex.forEach(function(d, i) { d.sort(function(a, b) { return sortSubgroups(matrix[i][a], matrix[i][b]); }); }); } k = (2 * π - padding * n) / k; x = 0, i = -1; while (++i < n) { x0 = x, j = -1; while (++j < n) { var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k; subgroups[di + "-" + dj] = { index: di, subindex: dj, startAngle: a0, endAngle: a1, value: v }; } groups[di] = { index: di, startAngle: x0, endAngle: x, value: (x - x0) / k }; x += padding; } i = -1; while (++i < n) { j = i - 1; while (++j < n) { var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i]; if (source.value || target.value) { chords.push(source.value < target.value ? { source: target, target: source } : { source: source, target: target }); } } } if (sortChords) resort(); } function resort() { chords.sort(function(a, b) { return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2); }); } chord.matrix = function(x) { if (!arguments.length) return matrix; n = (matrix = x) && matrix.length; chords = groups = null; return chord; }; chord.padding = function(x) { if (!arguments.length) return padding; padding = x; chords = groups = null; return chord; }; chord.sortGroups = function(x) { if (!arguments.length) return sortGroups; sortGroups = x; chords = groups = null; return chord; }; chord.sortSubgroups = function(x) { if (!arguments.length) return sortSubgroups; sortSubgroups = x; chords = null; return chord; }; chord.sortChords = function(x) { if (!arguments.length) return sortChords; sortChords = x; if (chords) resort(); return chord; }; chord.chords = function() { if (!chords) relayout(); return chords; }; chord.groups = function() { if (!groups) relayout(); return groups; }; return chord; }; d3.layout.force = function() { var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, gravity = .1, theta = .8, nodes = [], links = [], distances, strengths, charges; function repulse(node) { return function(quad, x1, _, x2) { if (quad.point !== node) { var dx = quad.cx - node.x, dy = quad.cy - node.y, dn = 1 / Math.sqrt(dx * dx + dy * dy); if ((x2 - x1) * dn < theta) { var k = quad.charge * dn * dn; node.px -= dx * k; node.py -= dy * k; return true; } if (quad.point && isFinite(dn)) { var k = quad.pointCharge * dn * dn; node.px -= dx * k; node.py -= dy * k; } } return !quad.charge; }; } force.tick = function() { if ((alpha *= .99) < .005) { event.end({ type: "end", alpha: alpha = 0 }); return true; } var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y; for (i = 0; i < m; ++i) { o = links[i]; s = o.source; t = o.target; x = t.x - s.x; y = t.y - s.y; if (l = x * x + y * y) { l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l; x *= l; y *= l; t.x -= x * (k = s.weight / (t.weight + s.weight)); t.y -= y * k; s.x += x * (k = 1 - k); s.y += y * k; } } if (k = alpha * gravity) { x = size[0] / 2; y = size[1] / 2; i = -1; if (k) while (++i < n) { o = nodes[i]; o.x += (x - o.x) * k; o.y += (y - o.y) * k; } } if (charge) { d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges); i = -1; while (++i < n) { if (!(o = nodes[i]).fixed) { q.visit(repulse(o)); } } } i = -1; while (++i < n) { o = nodes[i]; if (o.fixed) { o.x = o.px; o.y = o.py; } else { o.x -= (o.px - (o.px = o.x)) * friction; o.y -= (o.py - (o.py = o.y)) * friction; } } event.tick({ type: "tick", alpha: alpha }); }; force.nodes = function(x) { if (!arguments.length) return nodes; nodes = x; return force; }; force.links = function(x) { if (!arguments.length) return links; links = x; return force; }; force.size = function(x) { if (!arguments.length) return size; size = x; return force; }; force.linkDistance = function(x) { if (!arguments.length) return linkDistance; linkDistance = d3_functor(x); return force; }; force.distance = force.linkDistance; force.linkStrength = function(x) { if (!arguments.length) return linkStrength; linkStrength = d3_functor(x); return force; }; force.friction = function(x) { if (!arguments.length) return friction; friction = x; return force; }; force.charge = function(x) { if (!arguments.length) return charge; charge = typeof x === "function" ? x : +x; return force; }; force.gravity = function(x) { if (!arguments.length) return gravity; gravity = x; return force; }; force.theta = function(x) { if (!arguments.length) return theta; theta = x; return force; }; force.alpha = function(x) { if (!arguments.length) return alpha; if (alpha) { if (x > 0) alpha = x; else alpha = 0; } else if (x > 0) { event.start({ type: "start", alpha: alpha = x }); d3.timer(force.tick); } return force; }; force.start = function() { var i, j, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o; for (i = 0; i < n; ++i) { (o = nodes[i]).index = i; o.weight = 0; } distances = []; strengths = []; for (i = 0; i < m; ++i) { o = links[i]; if (typeof o.source == "number") o.source = nodes[o.source]; if (typeof o.target == "number") o.target = nodes[o.target]; distances[i] = linkDistance.call(this, o, i); strengths[i] = linkStrength.call(this, o, i); ++o.source.weight; ++o.target.weight; } for (i = 0; i < n; ++i) { o = nodes[i]; if (isNaN(o.x)) o.x = position("x", w); if (isNaN(o.y)) o.y = position("y", h); if (isNaN(o.px)) o.px = o.x; if (isNaN(o.py)) o.py = o.y; } charges = []; if (typeof charge === "function") { for (i = 0; i < n; ++i) { charges[i] = +charge.call(this, nodes[i], i); } } else { for (i = 0; i < n; ++i) { charges[i] = charge; } } function position(dimension, size) { var neighbors = neighbor(i), j = -1, m = neighbors.length, x; while (++j < m) if (!isNaN(x = neighbors[j][dimension])) return x; return Math.random() * size; } function neighbor() { if (!neighbors) { neighbors = []; for (j = 0; j < n; ++j) { neighbors[j] = []; } for (j = 0; j < m; ++j) { var o = links[j]; neighbors[o.source.index].push(o.target); neighbors[o.target.index].push(o.source); } } return neighbors[i]; } return force.resume(); }; force.resume = function() { return force.alpha(.1); }; force.stop = function() { return force.alpha(0); }; force.drag = function() { if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart", d3_layout_forceDragstart).on("drag", dragmove).on("dragend", d3_layout_forceDragend); this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag); }; function dragmove(d) { d.px = d3.event.x, d.py = d3.event.y; force.resume(); } return d3.rebind(force, event, "on"); }; function d3_layout_forceDragstart(d) { d.fixed |= 2; } function d3_layout_forceDragend(d) { d.fixed &= 1; } function d3_layout_forceMouseover(d) { d.fixed |= 4; d.px = d.x, d.py = d.y; } function d3_layout_forceMouseout(d) { d.fixed &= 3; } function d3_layout_forceAccumulate(quad, alpha, charges) { var cx = 0, cy = 0; quad.charge = 0; if (!quad.leaf) { var nodes = quad.nodes, n = nodes.length, i = -1, c; while (++i < n) { c = nodes[i]; if (c == null) continue; d3_layout_forceAccumulate(c, alpha, charges); quad.charge += c.charge; cx += c.charge * c.cx; cy += c.charge * c.cy; } } if (quad.point) { if (!quad.leaf) { quad.point.x += Math.random() - .5; quad.point.y += Math.random() - .5; } var k = alpha * charges[quad.point.index]; quad.charge += quad.pointCharge = k; cx += k * quad.point.x; cy += k * quad.point.y; } quad.cx = cx / quad.charge; quad.cy = cy / quad.charge; } function d3_layout_forceLinkDistance() { return 20; } function d3_layout_forceLinkStrength() { return 1; } d3.layout.partition = function() { var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ]; function position(node, x, dx, dy) { var children = node.children; node.x = x; node.y = node.depth * dy; node.dx = dx; node.dy = dy; if (children && (n = children.length)) { var i = -1, n, c, d; dx = node.value ? dx / node.value : 0; while (++i < n) { position(c = children[i], x, d = c.value * dx, dy); x += d; } } } function depth(node) { var children = node.children, d = 0; if (children && (n = children.length)) { var i = -1, n; while (++i < n) d = Math.max(d, depth(children[i])); } return 1 + d; } function partition(d, i) { var nodes = hierarchy.call(this, d, i); position(nodes[0], 0, size[0], size[1] / depth(nodes[0])); return nodes; } partition.size = function(x) { if (!arguments.length) return size; size = x; return partition; }; return d3_layout_hierarchyRebind(partition, hierarchy); }; d3.layout.pie = function() { var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = 2 * π; function pie(data) { var values = data.map(function(d, i) { return +value.call(pie, d, i); }); var a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle); var k = ((typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - startAngle) / d3.sum(values); var index = d3.range(data.length); if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) { return values[j] - values[i]; } : function(i, j) { return sort(data[i], data[j]); }); var arcs = []; index.forEach(function(i) { var d; arcs[i] = { data: data[i], value: d = values[i], startAngle: a, endAngle: a += d * k }; }); return arcs; } pie.value = function(x) { if (!arguments.length) return value; value = x; return pie; }; pie.sort = function(x) { if (!arguments.length) return sort; sort = x; return pie; }; pie.startAngle = function(x) { if (!arguments.length) return startAngle; startAngle = x; return pie; }; pie.endAngle = function(x) { if (!arguments.length) return endAngle; endAngle = x; return pie; }; return pie; }; var d3_layout_pieSortByValue = {}; d3.layout.stack = function() { var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY; function stack(data, index) { var series = data.map(function(d, i) { return values.call(stack, d, i); }); var points = series.map(function(d) { return d.map(function(v, i) { return [ x.call(stack, v, i), y.call(stack, v, i) ]; }); }); var orders = order.call(stack, points, index); series = d3.permute(series, orders); points = d3.permute(points, orders); var offsets = offset.call(stack, points, index); var n = series.length, m = series[0].length, i, j, o; for (j = 0; j < m; ++j) { out.call(stack, series[0][j], o = offsets[j], points[0][j][1]); for (i = 1; i < n; ++i) { out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]); } } return data; } stack.values = function(x) { if (!arguments.length) return values; values = x; return stack; }; stack.order = function(x) { if (!arguments.length) return order; order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault; return stack; }; stack.offset = function(x) { if (!arguments.length) return offset; offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero; return stack; }; stack.x = function(z) { if (!arguments.length) return x; x = z; return stack; }; stack.y = function(z) { if (!arguments.length) return y; y = z; return stack; }; stack.out = function(z) { if (!arguments.length) return out; out = z; return stack; }; return stack; }; function d3_layout_stackX(d) { return d.x; } function d3_layout_stackY(d) { return d.y; } function d3_layout_stackOut(d, y0, y) { d.y0 = y0; d.y = y; } var d3_layout_stackOrders = d3.map({ "inside-out": function(data) { var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) { return max[a] - max[b]; }), top = 0, bottom = 0, tops = [], bottoms = []; for (i = 0; i < n; ++i) { j = index[i]; if (top < bottom) { top += sums[j]; tops.push(j); } else { bottom += sums[j]; bottoms.push(j); } } return bottoms.reverse().concat(tops); }, reverse: function(data) { return d3.range(data.length).reverse(); }, "default": d3_layout_stackOrderDefault }); var d3_layout_stackOffsets = d3.map({ silhouette: function(data) { var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = []; for (j = 0; j < m; ++j) { for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; if (o > max) max = o; sums.push(o); } for (j = 0; j < m; ++j) { y0[j] = (max - sums[j]) / 2; } return y0; }, wiggle: function(data) { var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = []; y0[0] = o = o0 = 0; for (j = 1; j < m; ++j) { for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1]; for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) { for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) { s3 += (data[k][j][1] - data[k][j - 1][1]) / dx; } s2 += s3 * data[i][j][1]; } y0[j] = o -= s1 ? s2 / s1 * dx : 0; if (o < o0) o0 = o; } for (j = 0; j < m; ++j) y0[j] -= o0; return y0; }, expand: function(data) { var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = []; for (j = 0; j < m; ++j) { for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k; } for (j = 0; j < m; ++j) y0[j] = 0; return y0; }, zero: d3_layout_stackOffsetZero }); function d3_layout_stackOrderDefault(data) { return d3.range(data.length); } function d3_layout_stackOffsetZero(data) { var j = -1, m = data[0].length, y0 = []; while (++j < m) y0[j] = 0; return y0; } function d3_layout_stackMaxIndex(array) { var i = 1, j = 0, v = array[0][1], k, n = array.length; for (;i < n; ++i) { if ((k = array[i][1]) > v) { j = i; v = k; } } return j; } function d3_layout_stackReduceSum(d) { return d.reduce(d3_layout_stackSum, 0); } function d3_layout_stackSum(p, d) { return p + d[1]; } d3.layout.histogram = function() { var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges; function histogram(data, i) { var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x; while (++i < m) { bin = bins[i] = []; bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]); bin.y = 0; } if (m > 0) { i = -1; while (++i < n) { x = values[i]; if (x >= range[0] && x <= range[1]) { bin = bins[d3.bisect(thresholds, x, 1, m) - 1]; bin.y += k; bin.push(data[i]); } } } return bins; } histogram.value = function(x) { if (!arguments.length) return valuer; valuer = x; return histogram; }; histogram.range = function(x) { if (!arguments.length) return ranger; ranger = d3_functor(x); return histogram; }; histogram.bins = function(x) { if (!arguments.length) return binner; binner = typeof x === "number" ? function(range) { return d3_layout_histogramBinFixed(range, x); } : d3_functor(x); return histogram; }; histogram.frequency = function(x) { if (!arguments.length) return frequency; frequency = !!x; return histogram; }; return histogram; }; function d3_layout_histogramBinSturges(range, values) { return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1)); } function d3_layout_histogramBinFixed(range, n) { var x = -1, b = +range[0], m = (range[1] - b) / n, f = []; while (++x <= n) f[x] = m * x + b; return f; } function d3_layout_histogramRange(values) { return [ d3.min(values), d3.max(values) ]; } d3.layout.hierarchy = function() { var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue; function recurse(node, depth, nodes) { var childs = children.call(hierarchy, node, depth); node.depth = depth; nodes.push(node); if (childs && (n = childs.length)) { var i = -1, n, c = node.children = [], v = 0, j = depth + 1, d; while (++i < n) { d = recurse(childs[i], j, nodes); d.parent = node; c.push(d); v += d.value; } if (sort) c.sort(sort); if (value) node.value = v; } else if (value) { node.value = +value.call(hierarchy, node, depth) || 0; } return node; } function revalue(node, depth) { var children = node.children, v = 0; if (children && (n = children.length)) { var i = -1, n, j = depth + 1; while (++i < n) v += revalue(children[i], j); } else if (value) { v = +value.call(hierarchy, node, depth) || 0; } if (value) node.value = v; return v; } function hierarchy(d) { var nodes = []; recurse(d, 0, nodes); return nodes; } hierarchy.sort = function(x) { if (!arguments.length) return sort; sort = x; return hierarchy; }; hierarchy.children = function(x) { if (!arguments.length) return children; children = x; return hierarchy; }; hierarchy.value = function(x) { if (!arguments.length) return value; value = x; return hierarchy; }; hierarchy.revalue = function(root) { revalue(root, 0); return root; }; return hierarchy; }; function d3_layout_hierarchyRebind(object, hierarchy) { d3.rebind(object, hierarchy, "sort", "children", "value"); object.nodes = object; object.links = d3_layout_hierarchyLinks; return object; } function d3_layout_hierarchyChildren(d) { return d.children; } function d3_layout_hierarchyValue(d) { return d.value; } function d3_layout_hierarchySort(a, b) { return b.value - a.value; } function d3_layout_hierarchyLinks(nodes) { return d3.merge(nodes.map(function(parent) { return (parent.children || []).map(function(child) { return { source: parent, target: child }; }); })); } d3.layout.pack = function() { var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ]; function pack(d, i) { var nodes = hierarchy.call(this, d, i), root = nodes[0]; root.x = 0; root.y = 0; d3_layout_treeVisitAfter(root, function(d) { d.r = Math.sqrt(d.value); }); d3_layout_treeVisitAfter(root, d3_layout_packSiblings); var w = size[0], h = size[1], k = Math.max(2 * root.r / w, 2 * root.r / h); if (padding > 0) { var dr = padding * k / 2; d3_layout_treeVisitAfter(root, function(d) { d.r += dr; }); d3_layout_treeVisitAfter(root, d3_layout_packSiblings); d3_layout_treeVisitAfter(root, function(d) { d.r -= dr; }); k = Math.max(2 * root.r / w, 2 * root.r / h); } d3_layout_packTransform(root, w / 2, h / 2, 1 / k); return nodes; } pack.size = function(x) { if (!arguments.length) return size; size = x; return pack; }; pack.padding = function(_) { if (!arguments.length) return padding; padding = +_; return pack; }; return d3_layout_hierarchyRebind(pack, hierarchy); }; function d3_layout_packSort(a, b) { return a.value - b.value; } function d3_layout_packInsert(a, b) { var c = a._pack_next; a._pack_next = b; b._pack_prev = a; b._pack_next = c; c._pack_prev = b; } function d3_layout_packSplice(a, b) { a._pack_next = b; b._pack_prev = a; } function d3_layout_packIntersects(a, b) { var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r; return dr * dr - dx * dx - dy * dy > .001; } function d3_layout_packSiblings(node) { if (!(nodes = node.children) || !(n = nodes.length)) return; var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n; function bound(node) { xMin = Math.min(node.x - node.r, xMin); xMax = Math.max(node.x + node.r, xMax); yMin = Math.min(node.y - node.r, yMin); yMax = Math.max(node.y + node.r, yMax); } nodes.forEach(d3_layout_packLink); a = nodes[0]; a.x = -a.r; a.y = 0; bound(a); if (n > 1) { b = nodes[1]; b.x = b.r; b.y = 0; bound(b); if (n > 2) { c = nodes[2]; d3_layout_packPlace(a, b, c); bound(c); d3_layout_packInsert(a, c); a._pack_prev = c; d3_layout_packInsert(c, b); b = a._pack_next; for (i = 3; i < n; i++) { d3_layout_packPlace(a, b, c = nodes[i]); var isect = 0, s1 = 1, s2 = 1; for (j = b._pack_next; j !== b; j = j._pack_next, s1++) { if (d3_layout_packIntersects(j, c)) { isect = 1; break; } } if (isect == 1) { for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) { if (d3_layout_packIntersects(k, c)) { break; } } } if (isect) { if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b); i--; } else { d3_layout_packInsert(a, c); b = c; bound(c); } } } } var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0; for (i = 0; i < n; i++) { c = nodes[i]; c.x -= cx; c.y -= cy; cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y)); } node.r = cr; nodes.forEach(d3_layout_packUnlink); } function d3_layout_packLink(node) { node._pack_next = node._pack_prev = node; } function d3_layout_packUnlink(node) { delete node._pack_next; delete node._pack_prev; } function d3_layout_packTransform(node, x, y, k) { var children = node.children; node.x = x += k * node.x; node.y = y += k * node.y; node.r *= k; if (children) { var i = -1, n = children.length; while (++i < n) d3_layout_packTransform(children[i], x, y, k); } } function d3_layout_packPlace(a, b, c) { var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y; if (db && (dx || dy)) { var da = b.r + c.r, dc = dx * dx + dy * dy; da *= da; db *= db; var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); c.x = a.x + x * dx + y * dy; c.y = a.y + x * dy - y * dx; } else { c.x = a.x + db; c.y = a.y; } } d3.layout.cluster = function() { var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ]; function cluster(d, i) { var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0; d3_layout_treeVisitAfter(root, function(node) { var children = node.children; if (children && children.length) { node.x = d3_layout_clusterX(children); node.y = d3_layout_clusterY(children); } else { node.x = previousNode ? x += separation(node, previousNode) : 0; node.y = 0; previousNode = node; } }); var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2; d3_layout_treeVisitAfter(root, function(node) { node.x = (node.x - x0) / (x1 - x0) * size[0]; node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1]; }); return nodes; } cluster.separation = function(x) { if (!arguments.length) return separation; separation = x; return cluster; }; cluster.size = function(x) { if (!arguments.length) return size; size = x; return cluster; }; return d3_layout_hierarchyRebind(cluster, hierarchy); }; function d3_layout_clusterY(children) { return 1 + d3.max(children, function(child) { return child.y; }); } function d3_layout_clusterX(children) { return children.reduce(function(x, child) { return x + child.x; }, 0) / children.length; } function d3_layout_clusterLeft(node) { var children = node.children; return children && children.length ? d3_layout_clusterLeft(children[0]) : node; } function d3_layout_clusterRight(node) { var children = node.children, n; return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node; } d3.layout.tree = function() { var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ]; function tree(d, i) { var nodes = hierarchy.call(this, d, i), root = nodes[0]; function firstWalk(node, previousSibling) { var children = node.children, layout = node._tree; if (children && (n = children.length)) { var n, firstChild = children[0], previousChild, ancestor = firstChild, child, i = -1; while (++i < n) { child = children[i]; firstWalk(child, previousChild); ancestor = apportion(child, previousChild, ancestor); previousChild = child; } d3_layout_treeShift(node); var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim); if (previousSibling) { layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling); layout.mod = layout.prelim - midpoint; } else { layout.prelim = midpoint; } } else { if (previousSibling) { layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling); } } } function secondWalk(node, x) { node.x = node._tree.prelim + x; var children = node.children; if (children && (n = children.length)) { var i = -1, n; x += node._tree.mod; while (++i < n) { secondWalk(children[i], x); } } } function apportion(node, previousSibling, ancestor) { if (previousSibling) { var vip = node, vop = node, vim = previousSibling, vom = node.parent.children[0], sip = vip._tree.mod, sop = vop._tree.mod, sim = vim._tree.mod, som = vom._tree.mod, shift; while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) { vom = d3_layout_treeLeft(vom); vop = d3_layout_treeRight(vop); vop._tree.ancestor = node; shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip); if (shift > 0) { d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift); sip += shift; sop += shift; } sim += vim._tree.mod; sip += vip._tree.mod; som += vom._tree.mod; sop += vop._tree.mod; } if (vim && !d3_layout_treeRight(vop)) { vop._tree.thread = vim; vop._tree.mod += sim - sop; } if (vip && !d3_layout_treeLeft(vom)) { vom._tree.thread = vip; vom._tree.mod += sip - som; ancestor = node; } } return ancestor; } d3_layout_treeVisitAfter(root, function(node, previousSibling) { node._tree = { ancestor: node, prelim: 0, mod: 0, change: 0, shift: 0, number: previousSibling ? previousSibling._tree.number + 1 : 0 }; }); firstWalk(root); secondWalk(root, -root._tree.prelim); var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost), right = d3_layout_treeSearch(root, d3_layout_treeRightmost), deep = d3_layout_treeSearch(root, d3_layout_treeDeepest), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2, y1 = deep.depth || 1; d3_layout_treeVisitAfter(root, function(node) { node.x = (node.x - x0) / (x1 - x0) * size[0]; node.y = node.depth / y1 * size[1]; delete node._tree; }); return nodes; } tree.separation = function(x) { if (!arguments.length) return separation; separation = x; return tree; }; tree.size = function(x) { if (!arguments.length) return size; size = x; return tree; }; return d3_layout_hierarchyRebind(tree, hierarchy); }; function d3_layout_treeSeparation(a, b) { return a.parent == b.parent ? 1 : 2; } function d3_layout_treeLeft(node) { var children = node.children; return children && children.length ? children[0] : node._tree.thread; } function d3_layout_treeRight(node) { var children = node.children, n; return children && (n = children.length) ? children[n - 1] : node._tree.thread; } function d3_layout_treeSearch(node, compare) { var children = node.children; if (children && (n = children.length)) { var child, n, i = -1; while (++i < n) { if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) { node = child; } } } return node; } function d3_layout_treeRightmost(a, b) { return a.x - b.x; } function d3_layout_treeLeftmost(a, b) { return b.x - a.x; } function d3_layout_treeDeepest(a, b) { return a.depth - b.depth; } function d3_layout_treeVisitAfter(node, callback) { function visit(node, previousSibling) { var children = node.children; if (children && (n = children.length)) { var child, previousChild = null, i = -1, n; while (++i < n) { child = children[i]; visit(child, previousChild); previousChild = child; } } callback(node, previousSibling); } visit(node, null); } function d3_layout_treeShift(node) { var shift = 0, change = 0, children = node.children, i = children.length, child; while (--i >= 0) { child = children[i]._tree; child.prelim += shift; child.mod += shift; shift += child.shift + (change += child.change); } } function d3_layout_treeMove(ancestor, node, shift) { ancestor = ancestor._tree; node = node._tree; var change = shift / (node.number - ancestor.number); ancestor.change += change; node.change -= change; node.shift += shift; node.prelim += shift; node.mod += shift; } function d3_layout_treeAncestor(vim, node, ancestor) { return vim._tree.ancestor.parent == node.parent ? vim._tree.ancestor : ancestor; } d3.layout.treemap = function() { var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5)); function scale(children, k) { var i = -1, n = children.length, child, area; while (++i < n) { area = (child = children[i]).value * (k < 0 ? 0 : k); child.area = isNaN(area) || area <= 0 ? 0 : area; } } function squarify(node) { var children = node.children; if (children && children.length) { var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n; scale(remaining, rect.dx * rect.dy / node.value); row.area = 0; while ((n = remaining.length) > 0) { row.push(child = remaining[n - 1]); row.area += child.area; if (mode !== "squarify" || (score = worst(row, u)) <= best) { remaining.pop(); best = score; } else { row.area -= row.pop().area; position(row, u, rect, false); u = Math.min(rect.dx, rect.dy); row.length = row.area = 0; best = Infinity; } } if (row.length) { position(row, u, rect, true); row.length = row.area = 0; } children.forEach(squarify); } } function stickify(node) { var children = node.children; if (children && children.length) { var rect = pad(node), remaining = children.slice(), child, row = []; scale(remaining, rect.dx * rect.dy / node.value); row.area = 0; while (child = remaining.pop()) { row.push(child); row.area += child.area; if (child.z != null) { position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length); row.length = row.area = 0; } } children.forEach(stickify); } } function worst(row, u) { var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length; while (++i < n) { if (!(r = row[i].area)) continue; if (r < rmin) rmin = r; if (r > rmax) rmax = r; } s *= s; u *= u; return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity; } function position(row, u, rect, flush) { var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o; if (u == rect.dx) { if (flush || v > rect.dy) v = rect.dy; while (++i < n) { o = row[i]; o.x = x; o.y = y; o.dy = v; x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0); } o.z = true; o.dx += rect.x + rect.dx - x; rect.y += v; rect.dy -= v; } else { if (flush || v > rect.dx) v = rect.dx; while (++i < n) { o = row[i]; o.x = x; o.y = y; o.dx = v; y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0); } o.z = false; o.dy += rect.y + rect.dy - y; rect.x += v; rect.dx -= v; } } function treemap(d) { var nodes = stickies || hierarchy(d), root = nodes[0]; root.x = 0; root.y = 0; root.dx = size[0]; root.dy = size[1]; if (stickies) hierarchy.revalue(root); scale([ root ], root.dx * root.dy / root.value); (stickies ? stickify : squarify)(root); if (sticky) stickies = nodes; return nodes; } treemap.size = function(x) { if (!arguments.length) return size; size = x; return treemap; }; treemap.padding = function(x) { if (!arguments.length) return padding; function padFunction(node) { var p = x.call(treemap, node, node.depth); return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p); } function padConstant(node) { return d3_layout_treemapPad(node, x); } var type; pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], padConstant) : padConstant; return treemap; }; treemap.round = function(x) { if (!arguments.length) return round != Number; round = x ? Math.round : Number; return treemap; }; treemap.sticky = function(x) { if (!arguments.length) return sticky; sticky = x; stickies = null; return treemap; }; treemap.ratio = function(x) { if (!arguments.length) return ratio; ratio = x; return treemap; }; treemap.mode = function(x) { if (!arguments.length) return mode; mode = x + ""; return treemap; }; return d3_layout_hierarchyRebind(treemap, hierarchy); }; function d3_layout_treemapPadNull(node) { return { x: node.x, y: node.y, dx: node.dx, dy: node.dy }; } function d3_layout_treemapPad(node, padding) { var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2]; if (dx < 0) { x += dx / 2; dx = 0; } if (dy < 0) { y += dy / 2; dy = 0; } return { x: x, y: y, dx: dx, dy: dy }; } function d3_dsv(delimiter, mimeType) { var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0); function dsv(url, callback) { return d3.xhr(url, mimeType, callback).response(response); } function response(request) { return dsv.parse(request.responseText); } dsv.parse = function(text) { var o; return dsv.parseRows(text, function(row) { if (o) return o(row); o = new Function("d", "return {" + row.map(function(name, i) { return JSON.stringify(name) + ": d[" + i + "]"; }).join(",") + "}"); }); }; 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) { 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"); d3.geo = {}; d3.geo.stream = function(object, listener) { if (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 (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(); } function d3_geo_spherical(cartesian) { return [ Math.atan2(cartesian[1], cartesian[0]), Math.asin(Math.max(-1, Math.min(1, cartesian[2]))) ]; } function d3_geo_sphericalEqual(a, b) { return Math.abs(a[0] - b[0]) < ε && Math.abs(a[1] - b[1]) < ε; } 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_resample(project) { var δ2 = .5, maxDepth = 16; function resample(stream) { var λ0, x0, y0, a0, b0, c0; var resample = { point: point, lineStart: lineStart, lineEnd: lineEnd, polygonStart: function() { stream.polygonStart(); resample.lineStart = polygonLineStart; }, 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 polygonLineStart() { var λ00, φ00, x00, y00, a00, b00, c00; lineStart(); resample.point = function(λ, φ) { linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; resample.point = linePoint; }; resample.lineEnd = function() { 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; if (dz * dz / d2 > δ2 || Math.abs((dx * dx2 + dy * dy2) / d2 - .5) > .3) { resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream); stream.point(x2, y2); resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream); } } } resample.precision = function(_) { if (!arguments.length) return Math.sqrt(δ2); maxDepth = (δ2 = _ * _) > 0 && 16; return resample; }; return resample; } d3.geo.albersUsa = function() { var lower48 = d3.geo.albers(); var alaska = d3.geo.albers().rotate([ 160, 0 ]).center([ 0, 60 ]).parallels([ 55, 65 ]); var hawaii = d3.geo.albers().rotate([ 160, 0 ]).center([ 0, 20 ]).parallels([ 8, 18 ]); var puertoRico = d3.geo.albers().rotate([ 60, 0 ]).center([ 0, 10 ]).parallels([ 8, 18 ]); function albersUsa(coordinates) { return projection(coordinates)(coordinates); } function projection(point) { var lon = point[0], lat = point[1]; return lat > 50 ? alaska : lon < -140 ? hawaii : lat < 21 ? puertoRico : lower48; } albersUsa.scale = function(x) { if (!arguments.length) return lower48.scale(); lower48.scale(x); alaska.scale(x * .6); hawaii.scale(x); puertoRico.scale(x * 1.5); return albersUsa.translate(lower48.translate()); }; albersUsa.translate = function(x) { if (!arguments.length) return lower48.translate(); var dz = lower48.scale(), dx = x[0], dy = x[1]; lower48.translate(x); alaska.translate([ dx - .4 * dz, dy + .17 * dz ]); hawaii.translate([ dx - .19 * dz, dy + .2 * dz ]); puertoRico.translate([ dx + .58 * dz, dy + .43 * dz ]); return albersUsa; }; return albersUsa.scale(lower48.scale()); }; function d3_geo_albers(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 albers(λ, φ) { var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n; return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ]; } albers.invert = function(x, y) { var ρ0_y = ρ0 - y; return [ Math.atan2(x, ρ0_y) / n, Math.asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ]; }; return albers; } (d3.geo.albers = function() { var φ0 = 29.5 * d3_radians, φ1 = 45.5 * d3_radians, m = d3_geo_projectionMutator(d3_geo_albers), p = m(φ0, φ1); p.parallels = function(_) { if (!arguments.length) return [ φ0 * d3_degrees, φ1 * d3_degrees ]; return m(φ0 = _[0] * d3_radians, φ1 = _[1] * d3_radians); }; return p.rotate([ 98, 0 ]).center([ 0, 38 ]).scale(1e3); }).raw = d3_geo_albers; var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) { return Math.sqrt(2 / (1 + cosλcosφ)); }, function(ρ) { return 2 * Math.asin(ρ / 2); }); (d3.geo.azimuthalEqualArea = function() { return d3_geo_projection(d3_geo_azimuthalEqualArea); }).raw = d3_geo_azimuthalEqualArea; var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) { var c = Math.acos(cosλcosφ); return c && c / Math.sin(c); }, d3_identity); (d3.geo.azimuthalEquidistant = function() { return d3_geo_projection(d3_geo_azimuthalEquidistant); }).raw = d3_geo_azimuthalEquidistant; d3.geo.bounds = d3_geo_bounds(d3_identity); function d3_geo_bounds(projectStream) { var x0, y0, x1, y1; var bound = { point: boundPoint, lineStart: d3_noop, lineEnd: d3_noop, polygonStart: function() { bound.lineEnd = boundPolygonLineEnd; }, polygonEnd: function() { bound.point = boundPoint; } }; function boundPoint(x, y) { if (x < x0) x0 = x; if (x > x1) x1 = x; if (y < y0) y0 = y; if (y > y1) y1 = y; } function boundPolygonLineEnd() { bound.point = bound.lineEnd = d3_noop; } return function(feature) { y1 = x1 = -(x0 = y0 = Infinity); d3.geo.stream(feature, projectStream(bound)); return [ [ x0, y0 ], [ x1, y1 ] ]; }; } d3.geo.centroid = function(object) { d3_geo_centroidDimension = d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0; d3.geo.stream(object, d3_geo_centroid); var m; if (d3_geo_centroidW && Math.abs(m = Math.sqrt(d3_geo_centroidX * d3_geo_centroidX + d3_geo_centroidY * d3_geo_centroidY + d3_geo_centroidZ * d3_geo_centroidZ)) > ε) { return [ Math.atan2(d3_geo_centroidY, d3_geo_centroidX) * d3_degrees, Math.asin(Math.max(-1, Math.min(1, d3_geo_centroidZ / m))) * d3_degrees ]; } }; var d3_geo_centroidDimension, d3_geo_centroidW, d3_geo_centroidX, d3_geo_centroidY, d3_geo_centroidZ; var d3_geo_centroid = { sphere: function() { if (d3_geo_centroidDimension < 2) { d3_geo_centroidDimension = 2; d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0; } }, point: d3_geo_centroidPoint, lineStart: d3_geo_centroidLineStart, lineEnd: d3_geo_centroidLineEnd, polygonStart: function() { if (d3_geo_centroidDimension < 2) { d3_geo_centroidDimension = 2; d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0; } d3_geo_centroid.lineStart = d3_geo_centroidRingStart; }, polygonEnd: function() { d3_geo_centroid.lineStart = d3_geo_centroidLineStart; } }; function d3_geo_centroidPoint(λ, φ) { if (d3_geo_centroidDimension) return; ++d3_geo_centroidW; λ *= d3_radians; var cosφ = Math.cos(φ *= d3_radians); d3_geo_centroidX += (cosφ * Math.cos(λ) - d3_geo_centroidX) / d3_geo_centroidW; d3_geo_centroidY += (cosφ * Math.sin(λ) - d3_geo_centroidY) / d3_geo_centroidW; d3_geo_centroidZ += (Math.sin(φ) - d3_geo_centroidZ) / d3_geo_centroidW; } function d3_geo_centroidRingStart() { var λ00, φ00; d3_geo_centroidDimension = 1; d3_geo_centroidLineStart(); d3_geo_centroidDimension = 2; var linePoint = d3_geo_centroid.point; d3_geo_centroid.point = function(λ, φ) { linePoint(λ00 = λ, φ00 = φ); }; d3_geo_centroid.lineEnd = function() { d3_geo_centroid.point(λ00, φ00); d3_geo_centroidLineEnd(); d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd; }; } function d3_geo_centroidLineStart() { var x0, y0, z0; if (d3_geo_centroidDimension > 1) return; if (d3_geo_centroidDimension < 1) { d3_geo_centroidDimension = 1; d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0; } 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; }; 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_centroidW += w; d3_geo_centroidX += w * (x0 + (x0 = x)); d3_geo_centroidY += w * (y0 + (y0 = y)); d3_geo_centroidZ += w * (z0 + (z0 = z)); } } function d3_geo_centroidLineEnd() { d3_geo_centroid.point = d3_geo_centroidPoint; } d3.geo.circle = function() { var origin = [ 0, 0 ], angle, precision = 6, interpolate; function circle() { var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = []; interpolate(null, null, 1, { point: function(x, y) { ring.push(x = rotate(x, y)); x[0] *= d3_degrees, x[1] *= d3_degrees; } }); return { type: "Polygon", coordinates: [ ring ] }; } circle.origin = function(x) { if (!arguments.length) return origin; origin = x; return circle; }; circle.angle = function(x) { if (!arguments.length) return angle; interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians); return circle; }; circle.precision = function(_) { if (!arguments.length) return precision; interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians); return circle; }; return circle.angle(90); }; function d3_geo_circleInterpolate(radians, precision) { var cr = Math.cos(radians), sr = Math.sin(radians); return function(from, to, direction, listener) { if (from != null) { from = d3_geo_circleAngle(cr, from); to = d3_geo_circleAngle(cr, to); if (direction > 0 ? from < to : from > to) from += direction * 2 * π; } else { from = radians + direction * 2 * π; to = radians; } var point; for (var step = direction * precision, t = from; direction > 0 ? t > to : t < to; t -= step) { listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]); } }; } function d3_geo_circleAngle(cr, point) { var a = d3_geo_cartesian(point); a[0] -= cr; d3_geo_cartesianNormalize(a); var angle = Math.acos(Math.max(-1, Math.min(1, -a[1]))); return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI); } function d3_geo_clip(pointVisible, clipLine, interpolate) { 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; invisible = false; invisibleArea = visibleArea = 0; segments = []; listener.polygonStart(); }, polygonEnd: function() { clip.point = point; clip.lineStart = lineStart; clip.lineEnd = lineEnd; segments = d3.merge(segments); if (segments.length) { d3_geo_clipPolygon(segments, interpolate, listener); } else if (visibleArea < -ε || invisible && invisibleArea < -ε) { listener.lineStart(); interpolate(null, null, 1, listener); listener.lineEnd(); } listener.polygonEnd(); segments = 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, visibleArea, invisibleArea, invisible; var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), 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; if (!n) { invisible = true; invisibleArea += d3_geo_clipAreaRing(ring, -1); ring = null; return; } ring = null; if (clean & 1) { segment = ringSegments[0]; visibleArea += d3_geo_clipAreaRing(segment, 1); 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_clipPolygon(segments, interpolate, listener) { var subject = [], clip = []; segments.forEach(function(segment) { var n = segment.length; if (n <= 1) return; var p0 = segment[0], p1 = segment[n - 1], 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(d3_geo_clipSort); d3_geo_clipLinkCircular(subject); d3_geo_clipLinkCircular(clip); if (!subject.length) return; 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_clipLinkCircular(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_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_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; } }; } function d3_geo_clipAreaRing(ring, invisible) { if (!(n = ring.length)) return 0; var n, i = 0, area = 0, p = ring[0], λ = p[0], φ = p[1], cosφ = Math.cos(φ), x0 = Math.atan2(invisible * Math.sin(λ) * cosφ, Math.sin(φ)), y0 = 1 - invisible * Math.cos(λ) * cosφ, x1 = x0, x, y; while (++i < n) { p = ring[i]; cosφ = Math.cos(φ = p[1]); x = Math.atan2(invisible * Math.sin(λ = p[0]) * cosφ, Math.sin(φ)); y = 1 - invisible * Math.cos(λ) * cosφ; if (Math.abs(y0 - 2) < ε && Math.abs(y - 2) < ε) continue; if (Math.abs(y) < ε || Math.abs(y0) < ε) {} else if (Math.abs(Math.abs(x - x0) - π) < ε) { if (y + y0 > 2) area += 4 * (x - x0); } else if (Math.abs(y0 - 2) < ε) area += 4 * (x - x1); else area += ((3 * π + x - x0) % (2 * π) - π) * (y0 + y); x1 = x0, x0 = x, y0 = y; } return area; } var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate); 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]); } } function d3_geo_clipCircle(degrees) { var radians = degrees * d3_radians, cr = Math.cos(radians), interpolate = d3_geo_circleInterpolate(radians, 6 * d3_radians); return d3_geo_clip(visible, clipLine, interpolate); function visible(λ, φ) { return Math.cos(λ) * Math.cos(φ) > cr; } function clipLine(listener) { var point0, v0, v00, clean; return { lineStart: function() { v00 = v0 = false; clean = 1; }, point: function(λ, φ) { var point1 = [ λ, φ ], point2, v = visible(λ, φ); 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 (v0 = 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; } if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) listener.point(point1[0], point1[1]); point0 = point1; }, lineEnd: function() { if (v0) listener.lineEnd(); point0 = null; }, clean: function() { return clean | (v00 && v0) << 1; } }; } function intersect(a, b) { var pa = d3_geo_cartesian(a, 0), pb = d3_geo_cartesian(b, 0); 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 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), t = Math.sqrt(w * w - uu * (d3_geo_cartesianDot(A, A) - 1)), q = d3_geo_cartesianScale(u, (-w - t) / uu); d3_geo_cartesianAdd(q, A); return d3_geo_spherical(q); } } 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_equirectangular(λ, φ) { return [ λ, φ ]; } (d3.geo.equirectangular = function() { return d3_geo_projection(d3_geo_equirectangular).scale(250 / π); }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular; var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) { return 1 / cosλcosφ; }, Math.atan); (d3.geo.gnomonic = function() { return d3_geo_projection(d3_geo_gnomonic); }).raw = d3_geo_gnomonic; d3.geo.graticule = function() { var x1, x0, y1, y0, dx = 22.5, dy = dx, x, y, precision = 2.5; function graticule() { return { type: "MultiLineString", coordinates: lines() }; } function lines() { return d3.range(Math.ceil(x0 / dx) * dx, x1, dx).map(x).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).map(y)); } graticule.lines = function() { return lines().map(function(coordinates) { return { type: "LineString", coordinates: coordinates }; }); }; graticule.outline = function() { return { type: "Polygon", coordinates: [ x(x0).concat(y(y1).slice(1), x(x1).reverse().slice(1), y(y0).reverse().slice(1)) ] }; }; graticule.extent = function(_) { if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; x0 = +_[0][0], x1 = +_[1][0]; y0 = +_[0][1], y1 = +_[1][1]; if (x0 > x1) _ = x0, x0 = x1, x1 = _; if (y0 > y1) _ = y0, y0 = y1, y1 = _; return graticule.precision(precision); }; graticule.step = function(_) { if (!arguments.length) return [ dx, dy ]; dx = +_[0], dy = +_[1]; return graticule; }; graticule.precision = function(_) { if (!arguments.length) return precision; precision = +_; x = d3_geo_graticuleX(y0, y1, precision); y = d3_geo_graticuleY(x0, x1, precision); return graticule; }; return graticule.extent([ [ -180 + ε, -90 + ε ], [ 180 - ε, 90 - ε ] ]); }; function d3_geo_graticuleX(y0, y1, dy) { var y = d3.range(y0, y1 - ε, dy).concat(y1); return function(x) { return y.map(function(y) { return [ x, y ]; }); }; } function d3_geo_graticuleY(x0, x1, dx) { var x = d3.range(x0, x1 - ε, dx).concat(x1); return function(y) { return x.map(function(x) { return [ x, y ]; }); }; } d3.geo.interpolate = function(source, target) { return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians); }; function d3_geo_interpolate(x0, y0, x1, y1) { var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = Math.acos(Math.max(-1, Math.min(1, sy0 * sy1 + cy0 * cy1 * Math.cos(x1 - x0)))), k = 1 / Math.sin(d); function interpolate(t) { var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1; return [ Math.atan2(y, x) / d3_radians, Math.atan2(z, Math.sqrt(x * x + y * y)) / d3_radians ]; } interpolate.distance = d; return interpolate; } d3.geo.greatArc = function() { var source = d3_source, source_, target = d3_target, target_, precision = 6 * d3_radians, interpolate; function greatArc() { var p0 = source_ || source.apply(this, arguments), p1 = target_ || target.apply(this, arguments), i = interpolate || d3.geo.interpolate(p0, p1), t = 0, dt = precision / i.distance, coordinates = [ p0 ]; while ((t += dt) < 1) coordinates.push(i(t)); coordinates.push(p1); return { type: "LineString", coordinates: coordinates }; } greatArc.distance = function() { return (interpolate || d3.geo.interpolate(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments))).distance; }; greatArc.source = function(_) { if (!arguments.length) return source; source = _, source_ = typeof _ === "function" ? null : _; interpolate = source_ && target_ ? d3.geo.interpolate(source_, target_) : null; return greatArc; }; greatArc.target = function(_) { if (!arguments.length) return target; target = _, target_ = typeof _ === "function" ? null : _; interpolate = source_ && target_ ? d3.geo.interpolate(source_, target_) : null; return greatArc; }; greatArc.precision = function(_) { if (!arguments.length) return precision / d3_radians; precision = _ * d3_radians; return greatArc; }; return greatArc; }; function d3_geo_mercator(λ, φ) { return [ λ / (2 * π), Math.max(-.5, Math.min(+.5, Math.log(Math.tan(π / 4 + φ / 2)) / (2 * π))) ]; } d3_geo_mercator.invert = function(x, y) { return [ 2 * π * x, 2 * Math.atan(Math.exp(2 * π * y)) - π / 2 ]; }; (d3.geo.mercator = function() { return d3_geo_projection(d3_geo_mercator).scale(500); }).raw = d3_geo_mercator; var d3_geo_orthographic = d3_geo_azimuthal(function() { return 1; }, Math.asin); (d3.geo.orthographic = function() { return d3_geo_projection(d3_geo_orthographic); }).raw = d3_geo_orthographic; d3.geo.path = function() { var pointRadius = 4.5, projection, context, projectStream, contextStream; function path(object) { if (object) d3.geo.stream(object, projectStream(contextStream.pointRadius(typeof pointRadius === "function" ? +pointRadius.apply(this, arguments) : pointRadius))); return contextStream.result(); } path.area = function(object) { d3_geo_pathAreaSum = 0; d3.geo.stream(object, projectStream(d3_geo_pathArea)); return d3_geo_pathAreaSum; }; path.centroid = function(object) { d3_geo_centroidDimension = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0; d3.geo.stream(object, projectStream(d3_geo_pathCentroid)); return d3_geo_centroidZ ? [ d3_geo_centroidX / d3_geo_centroidZ, d3_geo_centroidY / d3_geo_centroidZ ] : undefined; }; path.bounds = function(object) { return d3_geo_bounds(projectStream)(object); }; path.projection = function(_) { if (!arguments.length) return projection; projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity; return path; }; path.context = function(_) { if (!arguments.length) return context; contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_); return path; }; path.pointRadius = function(_) { if (!arguments.length) return pointRadius; pointRadius = typeof _ === "function" ? _ : +_; return path; }; return path.projection(d3.geo.albersUsa()).context(null); }; function d3_geo_pathCircle(radius) { return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + +2 * radius + "z"; } function d3_geo_pathProjectStream(project) { var resample = d3_geo_resample(function(λ, φ) { return project([ λ * d3_degrees, φ * d3_degrees ]); }); return function(stream) { stream = resample(stream); return { point: function(λ, φ) { stream.point(λ * d3_radians, φ * d3_radians); }, sphere: function() { stream.sphere(); }, lineStart: function() { stream.lineStart(); }, lineEnd: function() { stream.lineEnd(); }, polygonStart: function() { stream.polygonStart(); }, polygonEnd: function() { stream.polygonEnd(); } }; }; } function d3_geo_pathBuffer() { var pointCircle = d3_geo_pathCircle(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_pathCircle(_); 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_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; } 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_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) { if (d3_geo_centroidDimension) return; d3_geo_centroidX += x; d3_geo_centroidY += y; ++d3_geo_centroidZ; } function d3_geo_pathCentroidLineStart() { var x0, y0; if (d3_geo_centroidDimension !== 1) { if (d3_geo_centroidDimension < 1) { d3_geo_centroidDimension = 1; d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0; } else return; } d3_geo_pathCentroid.point = function(x, y) { d3_geo_pathCentroid.point = nextPoint; x0 = x, y0 = y; }; function nextPoint(x, y) { var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); d3_geo_centroidX += z * (x0 + x) / 2; d3_geo_centroidY += z * (y0 + y) / 2; d3_geo_centroidZ += z; x0 = x, y0 = y; } } function d3_geo_pathCentroidLineEnd() { d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; } function d3_geo_pathCentroidRingStart() { var x00, y00, x0, y0; if (d3_geo_centroidDimension < 2) { d3_geo_centroidDimension = 2; d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0; } d3_geo_pathCentroid.point = function(x, y) { d3_geo_pathCentroid.point = nextPoint; x00 = x0 = x, y00 = y0 = y; }; function nextPoint(x, y) { var z = y0 * x - x0 * y; d3_geo_centroidX += z * (x0 + x); d3_geo_centroidY += z * (y0 + y); d3_geo_centroidZ += z * 3; x0 = x, y0 = y; } d3_geo_pathCentroid.lineEnd = function() { nextPoint(x00, y00); }; } 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_areaRing; var d3_geo_area = { sphere: function() { d3_geo_areaSum += 4 * π; }, point: d3_noop, lineStart: d3_noop, lineEnd: d3_noop, polygonStart: function() { d3_geo_areaRing = 0; d3_geo_area.lineStart = d3_geo_areaRingStart; }, polygonEnd: function() { d3_geo_areaSum += d3_geo_areaRing < 0 ? 4 * π + d3_geo_areaRing : d3_geo_areaRing; d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop; } }; function d3_geo_areaRingStart() { var λ00, φ00, λ1, λ0, φ0, cosφ0, sinφ0; d3_geo_area.point = function(λ, φ) { d3_geo_area.point = nextPoint; λ1 = λ0 = (λ00 = λ) * d3_radians, φ0 = (φ00 = φ) * d3_radians, cosφ0 = Math.cos(φ0), sinφ0 = Math.sin(φ0); }; function nextPoint(λ, φ) { λ *= d3_radians, φ *= d3_radians; if (Math.abs(Math.abs(φ0) - π / 2) < ε && Math.abs(Math.abs(φ) - π / 2) < ε) return; var cosφ = Math.cos(φ), sinφ = Math.sin(φ); if (Math.abs(φ0 - π / 2) < ε) d3_geo_areaRing += (λ - λ1) * 2; else { var dλ = λ - λ0, cosdλ = Math.cos(dλ), d = Math.atan2(Math.sqrt((d = cosφ * Math.sin(dλ)) * d + (d = cosφ0 * sinφ - sinφ0 * cosφ * cosdλ) * d), sinφ0 * sinφ + cosφ0 * cosφ * cosdλ), s = (d + π + φ0 + φ) / 4; d3_geo_areaRing += (dλ < 0 && dλ > -π || dλ > π ? -4 : 4) * Math.atan(Math.sqrt(Math.abs(Math.tan(s) * Math.tan(s - d / 2) * Math.tan(s - π / 4 - φ0 / 2) * Math.tan(s - π / 4 - φ / 2)))); } λ1 = λ0, λ0 = λ, φ0 = φ, cosφ0 = cosφ, sinφ0 = sinφ; } d3_geo_area.lineEnd = function() { nextPoint(λ00, φ00); }; } d3.geo.projection = d3_geo_projection; d3.geo.projectionMutator = d3_geo_projectionMutator; function d3_geo_projection(project) { return d3_geo_projectionMutator(function() { return project; })(); } function d3_geo_projectionMutator(projectAt) { var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) { x = project(x, y); return [ x[0] * k + δx, δy - x[1] * k ]; }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, clip = d3_geo_clipAntimeridian, clipAngle = null; function projection(point) { point = projectRotate(point[0] * d3_radians, point[1] * d3_radians); return [ point[0] * k + δx, δy - point[1] * k ]; } function invert(point) { point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k); return point && [ point[0] * d3_degrees, point[1] * d3_degrees ]; } projection.stream = function(stream) { return d3_geo_projectionRadiansRotate(rotate, clip(projectResample(stream))); }; projection.clipAngle = function(_) { if (!arguments.length) return clipAngle; clip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle(clipAngle = +_); return projection; }; projection.scale = function(_) { if (!arguments.length) return k; k = +_; return reset(); }; projection.translate = function(_) { if (!arguments.length) return [ x, y ]; x = +_[0]; y = +_[1]; return reset(); }; projection.center = function(_) { if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ]; λ = _[0] % 360 * d3_radians; φ = _[1] % 360 * d3_radians; return reset(); }; projection.rotate = function(_) { if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ]; δλ = _[0] % 360 * d3_radians; δφ = _[1] % 360 * d3_radians; δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0; return reset(); }; d3.rebind(projection, projectResample, "precision"); function reset() { projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project); var center = project(λ, φ); δx = x - center[0] * k; δy = y + center[1] * k; return projection; } return function() { project = projectAt.apply(this, arguments); projection.invert = project.invert && invert; return reset(); }; } function d3_geo_projectionRadiansRotate(rotate, stream) { return { point: function(x, y) { y = rotate(x * d3_radians, y * d3_radians), x = y[0]; stream.point(x > π ? x - 2 * π : x < -π ? x + 2 * π : x, y[1]); }, sphere: function() { stream.sphere(); }, lineStart: function() { stream.lineStart(); }, lineEnd: function() { stream.lineEnd(); }, polygonStart: function() { stream.polygonStart(); }, polygonEnd: function() { stream.polygonEnd(); } }; } function d3_geo_rotation(δλ, δφ, δγ) { return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_equirectangular; } function d3_geo_forwardRotationλ(δλ) { return function(λ, φ) { return λ += δλ, [ λ > π ? λ - 2 * π : λ < -π ? λ + 2 * π : λ, φ ]; }; } function d3_geo_rotationλ(δλ) { var rotation = d3_geo_forwardRotationλ(δλ); rotation.invert = d3_geo_forwardRotationλ(-δλ); return rotation; } function d3_geo_rotationφγ(δφ, δγ) { var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ); function rotation(λ, φ) { var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ; return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), Math.asin(Math.max(-1, Math.min(1, k * cosδγ + y * sinδγ))) ]; } rotation.invert = function(λ, φ) { var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ; return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), Math.asin(Math.max(-1, Math.min(1, k * cosδφ - x * sinδφ))) ]; }; return rotation; } var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) { return 1 / (1 + cosλcosφ); }, function(ρ) { return 2 * Math.atan(ρ); }); (d3.geo.stereographic = function() { return d3_geo_projection(d3_geo_stereographic); }).raw = d3_geo_stereographic; function d3_geo_azimuthal(scale, angle) { function azimuthal(λ, φ) { var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ); return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ]; } azimuthal.invert = function(x, y) { var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c); return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ]; }; return azimuthal; } d3.geom = {}; d3.geom.hull = function(vertices) { if (vertices.length < 3) return []; var len = vertices.length, plen = len - 1, points = [], stack = [], i, j, h = 0, x1, y1, x2, y2, u, v, a, sp; for (i = 1; i < len; ++i) { if (vertices[i][1] < vertices[h][1]) { h = i; } else if (vertices[i][1] == vertices[h][1]) { h = vertices[i][0] < vertices[h][0] ? i : h; } } for (i = 0; i < len; ++i) { if (i === h) continue; y1 = vertices[i][1] - vertices[h][1]; x1 = vertices[i][0] - vertices[h][0]; points.push({ angle: Math.atan2(y1, x1), index: i }); } points.sort(function(a, b) { return a.angle - b.angle; }); a = points[0].angle; v = points[0].index; u = 0; for (i = 1; i < plen; ++i) { j = points[i].index; if (a == points[i].angle) { x1 = vertices[v][0] - vertices[h][0]; y1 = vertices[v][1] - vertices[h][1]; x2 = vertices[j][0] - vertices[h][0]; y2 = vertices[j][1] - vertices[h][1]; if (x1 * x1 + y1 * y1 >= x2 * x2 + y2 * y2) { points[i].index = -1; } else { points[u].index = -1; a = points[i].angle; u = i; v = j; } } else { a = points[i].angle; u = i; v = j; } } stack.push(h); for (i = 0, j = 0; i < 2; ++j) { if (points[j].index !== -1) { stack.push(points[j].index); i++; } } sp = stack.length; for (;j < plen; ++j) { if (points[j].index === -1) continue; while (!d3_geom_hullCCW(stack[sp - 2], stack[sp - 1], points[j].index, vertices)) { --sp; } stack[sp++] = points[j].index; } var poly = []; for (i = 0; i < sp; ++i) { poly.push(vertices[stack[i]]); } return poly; }; function d3_geom_hullCCW(i1, i2, i3, v) { var t, a, b, c, d, e, f; t = v[i1]; a = t[0]; b = t[1]; t = v[i2]; c = t[0]; d = t[1]; t = v[i3]; e = t[0]; f = t[1]; return (f - b) * (c - a) - (d - b) * (e - a) > 0; } d3.geom.polygon = function(coordinates) { coordinates.area = function() { var i = 0, n = coordinates.length, area = coordinates[n - 1][1] * coordinates[0][0] - coordinates[n - 1][0] * coordinates[0][1]; while (++i < n) { area += coordinates[i - 1][1] * coordinates[i][0] - coordinates[i - 1][0] * coordinates[i][1]; } return area * .5; }; coordinates.centroid = function(k) { var i = -1, n = coordinates.length, x = 0, y = 0, a, b = coordinates[n - 1], c; if (!arguments.length) k = -1 / (6 * coordinates.area()); while (++i < n) { a = b; b = coordinates[i]; c = a[0] * b[1] - b[0] * a[1]; x += (a[0] + b[0]) * c; y += (a[1] + b[1]) * c; } return [ x * k, y * k ]; }; coordinates.clip = function(subject) { var input, i = -1, n = coordinates.length, j, m, a = coordinates[n - 1], b, c, d; while (++i < n) { input = subject.slice(); subject.length = 0; b = coordinates[i]; c = input[(m = input.length) - 1]; j = -1; while (++j < m) { d = input[j]; if (d3_geom_polygonInside(d, a, b)) { if (!d3_geom_polygonInside(c, a, b)) { subject.push(d3_geom_polygonIntersect(c, d, a, b)); } subject.push(d); } else if (d3_geom_polygonInside(c, a, b)) { subject.push(d3_geom_polygonIntersect(c, d, a, b)); } c = d; } a = b; } return subject; }; return coordinates; }; function d3_geom_polygonInside(p, a, b) { return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]); } function d3_geom_polygonIntersect(c, d, a, b) { var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21); return [ x1 + ua * x21, y1 + ua * y21 ]; } d3.geom.voronoi = function(vertices) { var polygons = vertices.map(function() { return []; }), Z = 1e6; d3_voronoi_tessellate(vertices, function(e) { var s1, s2, x1, x2, y1, y2; if (e.a === 1 && e.b >= 0) { s1 = e.ep.r; s2 = e.ep.l; } else { s1 = e.ep.l; s2 = e.ep.r; } if (e.a === 1) { y1 = s1 ? s1.y : -Z; x1 = e.c - e.b * y1; y2 = s2 ? s2.y : Z; x2 = e.c - e.b * y2; } else { x1 = s1 ? s1.x : -Z; y1 = e.c - e.a * x1; x2 = s2 ? s2.x : Z; y2 = e.c - e.a * x2; } var v1 = [ x1, y1 ], v2 = [ x2, y2 ]; polygons[e.region.l.index].push(v1, v2); polygons[e.region.r.index].push(v1, v2); }); polygons = polygons.map(function(polygon, i) { var cx = vertices[i][0], cy = vertices[i][1], angle = polygon.map(function(v) { return Math.atan2(v[0] - cx, v[1] - cy); }); return d3.range(polygon.length).sort(function(a, b) { return angle[a] - angle[b]; }).filter(function(d, i, order) { return !i || angle[d] - angle[order[i - 1]] > ε; }).map(function(d) { return polygon[d]; }); }); polygons.forEach(function(polygon, i) { var n = polygon.length; if (!n) return polygon.push([ -Z, -Z ], [ -Z, Z ], [ Z, Z ], [ Z, -Z ]); if (n > 2) return; var p0 = vertices[i], p1 = polygon[0], p2 = polygon[1], x0 = p0[0], y0 = p0[1], x1 = p1[0], y1 = p1[1], x2 = p2[0], y2 = p2[1], dx = Math.abs(x2 - x1), dy = y2 - y1; if (Math.abs(dy) < ε) { var y = y0 < y1 ? -Z : Z; polygon.push([ -Z, y ], [ Z, y ]); } else if (dx < ε) { var x = x0 < x1 ? -Z : Z; polygon.push([ x, -Z ], [ x, Z ]); } else { var y = (x2 - x1) * (y1 - y0) < (x1 - x0) * (y2 - y1) ? Z : -Z, z = Math.abs(dy) - dx; if (Math.abs(z) < ε) { polygon.push([ dy < 0 ? y : -y, y ]); } else { if (z > 0) y *= -1; polygon.push([ -Z, y ], [ Z, y ]); } } }); return polygons; }; var d3_voronoi_opposite = { l: "r", r: "l" }; function d3_voronoi_tessellate(vertices, callback) { var Sites = { list: vertices.map(function(v, i) { return { index: i, x: v[0], y: v[1] }; }).sort(function(a, b) { return a.y < b.y ? -1 : a.y > b.y ? 1 : a.x < b.x ? -1 : a.x > b.x ? 1 : 0; }), bottomSite: null }; var EdgeList = { list: [], leftEnd: null, rightEnd: null, init: function() { EdgeList.leftEnd = EdgeList.createHalfEdge(null, "l"); EdgeList.rightEnd = EdgeList.createHalfEdge(null, "l"); EdgeList.leftEnd.r = EdgeList.rightEnd; EdgeList.rightEnd.l = EdgeList.leftEnd; EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd); }, createHalfEdge: function(edge, side) { return { edge: edge, side: side, vertex: null, l: null, r: null }; }, insert: function(lb, he) { he.l = lb; he.r = lb.r; lb.r.l = he; lb.r = he; }, leftBound: function(p) { var he = EdgeList.leftEnd; do { he = he.r; } while (he != EdgeList.rightEnd && Geom.rightOf(he, p)); he = he.l; return he; }, del: function(he) { he.l.r = he.r; he.r.l = he.l; he.edge = null; }, right: function(he) { return he.r; }, left: function(he) { return he.l; }, leftRegion: function(he) { return he.edge == null ? Sites.bottomSite : he.edge.region[he.side]; }, rightRegion: function(he) { return he.edge == null ? Sites.bottomSite : he.edge.region[d3_voronoi_opposite[he.side]]; } }; var Geom = { bisect: function(s1, s2) { var newEdge = { region: { l: s1, r: s2 }, ep: { l: null, r: null } }; var dx = s2.x - s1.x, dy = s2.y - s1.y, adx = dx > 0 ? dx : -dx, ady = dy > 0 ? dy : -dy; newEdge.c = s1.x * dx + s1.y * dy + (dx * dx + dy * dy) * .5; if (adx > ady) { newEdge.a = 1; newEdge.b = dy / dx; newEdge.c /= dx; } else { newEdge.b = 1; newEdge.a = dx / dy; newEdge.c /= dy; } return newEdge; }, intersect: function(el1, el2) { var e1 = el1.edge, e2 = el2.edge; if (!e1 || !e2 || e1.region.r == e2.region.r) { return null; } var d = e1.a * e2.b - e1.b * e2.a; if (Math.abs(d) < 1e-10) { return null; } var xint = (e1.c * e2.b - e2.c * e1.b) / d, yint = (e2.c * e1.a - e1.c * e2.a) / d, e1r = e1.region.r, e2r = e2.region.r, el, e; if (e1r.y < e2r.y || e1r.y == e2r.y && e1r.x < e2r.x) { el = el1; e = e1; } else { el = el2; e = e2; } var rightOfSite = xint >= e.region.r.x; if (rightOfSite && el.side === "l" || !rightOfSite && el.side === "r") { return null; } return { x: xint, y: yint }; }, rightOf: function(he, p) { var e = he.edge, topsite = e.region.r, rightOfSite = p.x > topsite.x; if (rightOfSite && he.side === "l") { return 1; } if (!rightOfSite && he.side === "r") { return 0; } if (e.a === 1) { var dyp = p.y - topsite.y, dxp = p.x - topsite.x, fast = 0, above = 0; if (!rightOfSite && e.b < 0 || rightOfSite && e.b >= 0) { above = fast = dyp >= e.b * dxp; } else { above = p.x + p.y * e.b > e.c; if (e.b < 0) { above = !above; } if (!above) { fast = 1; } } if (!fast) { var dxs = topsite.x - e.region.l.x; above = e.b * (dxp * dxp - dyp * dyp) < dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b); if (e.b < 0) { above = !above; } } } else { var yl = e.c - e.a * p.x, t1 = p.y - yl, t2 = p.x - topsite.x, t3 = yl - topsite.y; above = t1 * t1 > t2 * t2 + t3 * t3; } return he.side === "l" ? above : !above; }, endPoint: function(edge, side, site) { edge.ep[side] = site; if (!edge.ep[d3_voronoi_opposite[side]]) return; callback(edge); }, distance: function(s, t) { var dx = s.x - t.x, dy = s.y - t.y; return Math.sqrt(dx * dx + dy * dy); } }; var EventQueue = { list: [], insert: function(he, site, offset) { he.vertex = site; he.ystar = site.y + offset; for (var i = 0, list = EventQueue.list, l = list.length; i < l; i++) { var next = list[i]; if (he.ystar > next.ystar || he.ystar == next.ystar && site.x > next.vertex.x) { continue; } else { break; } } list.splice(i, 0, he); }, del: function(he) { for (var i = 0, ls = EventQueue.list, l = ls.length; i < l && ls[i] != he; ++i) {} ls.splice(i, 1); }, empty: function() { return EventQueue.list.length === 0; }, nextEvent: function(he) { for (var i = 0, ls = EventQueue.list, l = ls.length; i < l; ++i) { if (ls[i] == he) return ls[i + 1]; } return null; }, min: function() { var elem = EventQueue.list[0]; return { x: elem.vertex.x, y: elem.ystar }; }, extractMin: function() { return EventQueue.list.shift(); } }; EdgeList.init(); Sites.bottomSite = Sites.list.shift(); var newSite = Sites.list.shift(), newIntStar; var lbnd, rbnd, llbnd, rrbnd, bisector; var bot, top, temp, p, v; var e, pm; while (true) { if (!EventQueue.empty()) { newIntStar = EventQueue.min(); } if (newSite && (EventQueue.empty() || newSite.y < newIntStar.y || newSite.y == newIntStar.y && newSite.x < newIntStar.x)) { lbnd = EdgeList.leftBound(newSite); rbnd = EdgeList.right(lbnd); bot = EdgeList.rightRegion(lbnd); e = Geom.bisect(bot, newSite); bisector = EdgeList.createHalfEdge(e, "l"); EdgeList.insert(lbnd, bisector); p = Geom.intersect(lbnd, bisector); if (p) { EventQueue.del(lbnd); EventQueue.insert(lbnd, p, Geom.distance(p, newSite)); } lbnd = bisector; bisector = EdgeList.createHalfEdge(e, "r"); EdgeList.insert(lbnd, bisector); p = Geom.intersect(bisector, rbnd); if (p) { EventQueue.insert(bisector, p, Geom.distance(p, newSite)); } newSite = Sites.list.shift(); } else if (!EventQueue.empty()) { lbnd = EventQueue.extractMin(); llbnd = EdgeList.left(lbnd); rbnd = EdgeList.right(lbnd); rrbnd = EdgeList.right(rbnd); bot = EdgeList.leftRegion(lbnd); top = EdgeList.rightRegion(rbnd); v = lbnd.vertex; Geom.endPoint(lbnd.edge, lbnd.side, v); Geom.endPoint(rbnd.edge, rbnd.side, v); EdgeList.del(lbnd); EventQueue.del(rbnd); EdgeList.del(rbnd); pm = "l"; if (bot.y > top.y) { temp = bot; bot = top; top = temp; pm = "r"; } e = Geom.bisect(bot, top); bisector = EdgeList.createHalfEdge(e, pm); EdgeList.insert(llbnd, bisector); Geom.endPoint(e, d3_voronoi_opposite[pm], v); p = Geom.intersect(llbnd, bisector); if (p) { EventQueue.del(llbnd); EventQueue.insert(llbnd, p, Geom.distance(p, bot)); } p = Geom.intersect(bisector, rrbnd); if (p) { EventQueue.insert(bisector, p, Geom.distance(p, bot)); } } else { break; } } for (lbnd = EdgeList.right(EdgeList.leftEnd); lbnd != EdgeList.rightEnd; lbnd = EdgeList.right(lbnd)) { callback(lbnd.edge); } } d3.geom.delaunay = function(vertices) { var edges = vertices.map(function() { return []; }), triangles = []; d3_voronoi_tessellate(vertices, function(e) { edges[e.region.l.index].push(vertices[e.region.r.index]); }); edges.forEach(function(edge, i) { var v = vertices[i], cx = v[0], cy = v[1]; edge.forEach(function(v) { v.angle = Math.atan2(v[0] - cx, v[1] - cy); }); edge.sort(function(a, b) { return a.angle - b.angle; }); for (var j = 0, m = edge.length - 1; j < m; j++) { triangles.push([ v, edge[j], edge[j + 1] ]); } }); return triangles; }; d3.geom.quadtree = function(points, x1, y1, x2, y2) { var p, i = -1, n = points.length; if (arguments.length < 5) { if (arguments.length === 3) { y2 = y1; x2 = x1; y1 = x1 = 0; } else { x1 = y1 = Infinity; x2 = y2 = -Infinity; while (++i < n) { p = points[i]; if (p.x < x1) x1 = p.x; if (p.y < y1) y1 = p.y; if (p.x > x2) x2 = p.x; if (p.y > y2) y2 = p.y; } } } var dx = x2 - x1, dy = y2 - y1; if (dx > dy) y2 = y1 + dx; else x2 = x1 + dy; function insert(n, p, x1, y1, x2, y2) { if (isNaN(p.x) || isNaN(p.y)) return; if (n.leaf) { var v = n.point; if (v) { if (Math.abs(v.x - p.x) + Math.abs(v.y - p.y) < .01) { insertChild(n, p, x1, y1, x2, y2); } else { n.point = null; insertChild(n, v, x1, y1, x2, y2); insertChild(n, p, x1, y1, x2, y2); } } else { n.point = p; } } else { insertChild(n, p, x1, y1, x2, y2); } } function insertChild(n, p, x1, y1, x2, y2) { var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, right = p.x >= sx, bottom = p.y >= sy, i = (bottom << 1) + right; n.leaf = false; n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode()); if (right) x1 = sx; else x2 = sx; if (bottom) y1 = sy; else y2 = sy; insert(n, p, x1, y1, x2, y2); } var root = d3_geom_quadtreeNode(); root.add = function(p) { insert(root, p, x1, y1, x2, y2); }; root.visit = function(f) { d3_geom_quadtreeVisit(f, root, x1, y1, x2, y2); }; points.forEach(root.add); return root; }; function d3_geom_quadtreeNode() { return { leaf: true, nodes: [], point: null }; } function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) { if (!f(node, x1, y1, x2, y2)) { var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes; if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy); if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy); if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2); if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2); } } d3.time = {}; var d3_time = Date, d3_time_daySymbols = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ]; function d3_time_utc() { this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]); } d3_time_utc.prototype = { getDate: function() { return this._.getUTCDate(); }, getDay: function() { return this._.getUTCDay(); }, getFullYear: function() { return this._.getUTCFullYear(); }, getHours: function() { return this._.getUTCHours(); }, getMilliseconds: function() { return this._.getUTCMilliseconds(); }, getMinutes: function() { return this._.getUTCMinutes(); }, getMonth: function() { return this._.getUTCMonth(); }, getSeconds: function() { return this._.getUTCSeconds(); }, getTime: function() { return this._.getTime(); }, getTimezoneOffset: function() { return 0; }, valueOf: function() { return this._.valueOf(); }, setDate: function() { d3_time_prototype.setUTCDate.apply(this._, arguments); }, setDay: function() { d3_time_prototype.setUTCDay.apply(this._, arguments); }, setFullYear: function() { d3_time_prototype.setUTCFullYear.apply(this._, arguments); }, setHours: function() { d3_time_prototype.setUTCHours.apply(this._, arguments); }, setMilliseconds: function() { d3_time_prototype.setUTCMilliseconds.apply(this._, arguments); }, setMinutes: function() { d3_time_prototype.setUTCMinutes.apply(this._, arguments); }, setMonth: function() { d3_time_prototype.setUTCMonth.apply(this._, arguments); }, setSeconds: function() { d3_time_prototype.setUTCSeconds.apply(this._, arguments); }, setTime: function() { d3_time_prototype.setTime.apply(this._, arguments); } }; var d3_time_prototype = Date.prototype; var d3_time_formatDateTime = "%a %b %e %X %Y", d3_time_formatDate = "%m/%d/%Y", d3_time_formatTime = "%H:%M:%S"; var d3_time_days = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], d3_time_dayAbbreviations = [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], d3_time_months = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], d3_time_monthAbbreviations = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]; d3.time.format = function(template) { var n = template.length; function format(date) { var string = [], i = -1, j = 0, c, p, f; while (++i < n) { if (template.charCodeAt(i) === 37) { string.push(template.substring(j, i)); if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i); if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p); string.push(c); j = i + 1; } } string.push(template.substring(j, i)); return string.join(""); } format.parse = function(string) { var d = { y: 1900, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0 }, i = d3_time_parse(d, template, string, 0); if (i != string.length) return null; if ("p" in d) d.H = d.H % 12 + d.p * 12; var date = new d3_time(); date.setFullYear(d.y, d.m, d.d); date.setHours(d.H, d.M, d.S, d.L); return date; }; format.toString = function() { return template; }; return format; }; function d3_time_parse(date, template, string, j) { var c, p, i = 0, n = template.length, m = string.length; while (i < n) { if (j >= m) return -1; c = template.charCodeAt(i++); if (c === 37) { p = d3_time_parsers[template.charAt(i++)]; if (!p || (j = p(date, string, j)) < 0) return -1; } else if (c != string.charCodeAt(j++)) { return -1; } } return j; } function d3_time_formatRe(names) { return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i"); } function d3_time_formatLookup(names) { var map = new d3_Map(), i = -1, n = names.length; while (++i < n) map.set(names[i].toLowerCase(), i); return map; } function d3_time_formatPad(value, fill, width) { value += ""; var length = value.length; return length < width ? new Array(width - length + 1).join(fill) + value : value; } var d3_time_dayRe = d3_time_formatRe(d3_time_days), d3_time_dayAbbrevRe = d3_time_formatRe(d3_time_dayAbbreviations), d3_time_monthRe = d3_time_formatRe(d3_time_months), d3_time_monthLookup = d3_time_formatLookup(d3_time_months), d3_time_monthAbbrevRe = d3_time_formatRe(d3_time_monthAbbreviations), d3_time_monthAbbrevLookup = d3_time_formatLookup(d3_time_monthAbbreviations); var d3_time_formatPads = { "-": "", _: " ", "0": "0" }; var d3_time_formats = { a: function(d) { return d3_time_dayAbbreviations[d.getDay()]; }, A: function(d) { return d3_time_days[d.getDay()]; }, b: function(d) { return d3_time_monthAbbreviations[d.getMonth()]; }, B: function(d) { return d3_time_months[d.getMonth()]; }, c: d3.time.format(d3_time_formatDateTime), d: function(d, p) { return d3_time_formatPad(d.getDate(), p, 2); }, e: function(d, p) { return d3_time_formatPad(d.getDate(), p, 2); }, H: function(d, p) { return d3_time_formatPad(d.getHours(), p, 2); }, I: function(d, p) { return d3_time_formatPad(d.getHours() % 12 || 12, p, 2); }, j: function(d, p) { return d3_time_formatPad(1 + d3.time.dayOfYear(d), p, 3); }, L: function(d, p) { return d3_time_formatPad(d.getMilliseconds(), p, 3); }, m: function(d, p) { return d3_time_formatPad(d.getMonth() + 1, p, 2); }, M: function(d, p) { return d3_time_formatPad(d.getMinutes(), p, 2); }, p: function(d) { return d.getHours() >= 12 ? "PM" : "AM"; }, S: function(d, p) { return d3_time_formatPad(d.getSeconds(), p, 2); }, U: function(d, p) { return d3_time_formatPad(d3.time.sundayOfYear(d), p, 2); }, w: function(d) { return d.getDay(); }, W: function(d, p) { return d3_time_formatPad(d3.time.mondayOfYear(d), p, 2); }, x: d3.time.format(d3_time_formatDate), X: d3.time.format(d3_time_formatTime), y: function(d, p) { return d3_time_formatPad(d.getFullYear() % 100, p, 2); }, Y: function(d, p) { return d3_time_formatPad(d.getFullYear() % 1e4, p, 4); }, Z: d3_time_zone, "%": function() { return "%"; } }; var d3_time_parsers = { a: d3_time_parseWeekdayAbbrev, A: d3_time_parseWeekday, b: d3_time_parseMonthAbbrev, B: d3_time_parseMonth, c: d3_time_parseLocaleFull, d: d3_time_parseDay, e: d3_time_parseDay, H: d3_time_parseHour24, I: d3_time_parseHour24, L: d3_time_parseMilliseconds, m: d3_time_parseMonthNumber, M: d3_time_parseMinutes, p: d3_time_parseAmPm, S: d3_time_parseSeconds, x: d3_time_parseLocaleDate, X: d3_time_parseLocaleTime, y: d3_time_parseYear, Y: d3_time_parseFullYear }; function d3_time_parseWeekdayAbbrev(date, string, i) { d3_time_dayAbbrevRe.lastIndex = 0; var n = d3_time_dayAbbrevRe.exec(string.substring(i)); return n ? i += n[0].length : -1; } function d3_time_parseWeekday(date, string, i) { d3_time_dayRe.lastIndex = 0; var n = d3_time_dayRe.exec(string.substring(i)); return n ? i += n[0].length : -1; } function d3_time_parseMonthAbbrev(date, string, i) { d3_time_monthAbbrevRe.lastIndex = 0; var n = d3_time_monthAbbrevRe.exec(string.substring(i)); return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i += n[0].length) : -1; } function d3_time_parseMonth(date, string, i) { d3_time_monthRe.lastIndex = 0; var n = d3_time_monthRe.exec(string.substring(i)); return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i += n[0].length) : -1; } function d3_time_parseLocaleFull(date, string, i) { return d3_time_parse(date, d3_time_formats.c.toString(), string, i); } function d3_time_parseLocaleDate(date, string, i) { return d3_time_parse(date, d3_time_formats.x.toString(), string, i); } function d3_time_parseLocaleTime(date, string, i) { return d3_time_parse(date, d3_time_formats.X.toString(), string, i); } function d3_time_parseFullYear(date, string, i) { d3_time_numberRe.lastIndex = 0; var n = d3_time_numberRe.exec(string.substring(i, i + 4)); return n ? (date.y = +n[0], i += n[0].length) : -1; } function d3_time_parseYear(date, string, i) { d3_time_numberRe.lastIndex = 0; var n = d3_time_numberRe.exec(string.substring(i, i + 2)); return n ? (date.y = d3_time_expandYear(+n[0]), i += n[0].length) : -1; } function d3_time_expandYear(d) { return d + (d > 68 ? 1900 : 2e3); } function d3_time_parseMonthNumber(date, string, i) { d3_time_numberRe.lastIndex = 0; var n = d3_time_numberRe.exec(string.substring(i, i + 2)); return n ? (date.m = n[0] - 1, i += n[0].length) : -1; } function d3_time_parseDay(date, string, i) { d3_time_numberRe.lastIndex = 0; var n = d3_time_numberRe.exec(string.substring(i, i + 2)); return n ? (date.d = +n[0], i += n[0].length) : -1; } function d3_time_parseHour24(date, string, i) { d3_time_numberRe.lastIndex = 0; var n = d3_time_numberRe.exec(string.substring(i, i + 2)); return n ? (date.H = +n[0], i += n[0].length) : -1; } function d3_time_parseMinutes(date, string, i) { d3_time_numberRe.lastIndex = 0; var n = d3_time_numberRe.exec(string.substring(i, i + 2)); return n ? (date.M = +n[0], i += n[0].length) : -1; } function d3_time_parseSeconds(date, string, i) { d3_time_numberRe.lastIndex = 0; var n = d3_time_numberRe.exec(string.substring(i, i + 2)); return n ? (date.S = +n[0], i += n[0].length) : -1; } function d3_time_parseMilliseconds(date, string, i) { d3_time_numberRe.lastIndex = 0; var n = d3_time_numberRe.exec(string.substring(i, i + 3)); return n ? (date.L = +n[0], i += n[0].length) : -1; } var d3_time_numberRe = /^\s*\d+/; function d3_time_parseAmPm(date, string, i) { var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase()); return n == null ? -1 : (date.p = n, i); } var d3_time_amPmLookup = d3.map({ am: 0, pm: 1 }); function d3_time_zone(d) { var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = ~~(Math.abs(z) / 60), zm = Math.abs(z) % 60; return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2); } d3.time.format.utc = function(template) { var local = d3.time.format(template); function format(date) { try { d3_time = d3_time_utc; var utc = new d3_time(); utc._ = date; return local(utc); } finally { d3_time = Date; } } format.parse = function(string) { try { d3_time = d3_time_utc; var date = local.parse(string); return date && date._; } finally { d3_time = Date; } }; format.toString = local.toString; return format; }; var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ"); d3.time.format.iso = Date.prototype.toISOString ? d3_time_formatIsoNative : d3_time_formatIso; function d3_time_formatIsoNative(date) { return date.toISOString(); } d3_time_formatIsoNative.parse = function(string) { var date = new Date(string); return isNaN(date) ? null : date; }; d3_time_formatIsoNative.toString = d3_time_formatIso.toString; function d3_time_interval(local, step, number) { function round(date) { var d0 = local(date), d1 = offset(d0, 1); return date - d0 < d1 - date ? d0 : d1; } function ceil(date) { step(date = local(new d3_time(date - 1)), 1); return date; } function offset(date, k) { step(date = new d3_time(+date), k); return date; } function range(t0, t1, dt) { var time = ceil(t0), times = []; if (dt > 1) { while (time < t1) { if (!(number(time) % dt)) times.push(new Date(+time)); step(time, 1); } } else { while (time < t1) times.push(new Date(+time)), step(time, 1); } return times; } function range_utc(t0, t1, dt) { try { d3_time = d3_time_utc; var utc = new d3_time_utc(); utc._ = t0; return range(utc, t1, dt); } finally { d3_time = Date; } } local.floor = local; local.round = round; local.ceil = ceil; local.offset = offset; local.range = range; var utc = local.utc = d3_time_interval_utc(local); utc.floor = utc; utc.round = d3_time_interval_utc(round); utc.ceil = d3_time_interval_utc(ceil); utc.offset = d3_time_interval_utc(offset); utc.range = range_utc; return local; } function d3_time_interval_utc(method) { return function(date, k) { try { d3_time = d3_time_utc; var utc = new d3_time_utc(); utc._ = date; return method(utc, k)._; } finally { d3_time = Date; } }; } d3.time.second = d3_time_interval(function(date) { return new d3_time(Math.floor(date / 1e3) * 1e3); }, function(date, offset) { date.setTime(date.getTime() + Math.floor(offset) * 1e3); }, function(date) { return date.getSeconds(); }); d3.time.seconds = d3.time.second.range; d3.time.seconds.utc = d3.time.second.utc.range; d3.time.minute = d3_time_interval(function(date) { return new d3_time(Math.floor(date / 6e4) * 6e4); }, function(date, offset) { date.setTime(date.getTime() + Math.floor(offset) * 6e4); }, function(date) { return date.getMinutes(); }); d3.time.minutes = d3.time.minute.range; d3.time.minutes.utc = d3.time.minute.utc.range; d3.time.hour = d3_time_interval(function(date) { var timezone = date.getTimezoneOffset() / 60; return new d3_time((Math.floor(date / 36e5 - timezone) + timezone) * 36e5); }, function(date, offset) { date.setTime(date.getTime() + Math.floor(offset) * 36e5); }, function(date) { return date.getHours(); }); d3.time.hours = d3.time.hour.range; d3.time.hours.utc = d3.time.hour.utc.range; d3.time.day = d3_time_interval(function(date) { var day = new d3_time(1970, 0); day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate()); return day; }, function(date, offset) { date.setDate(date.getDate() + offset); }, function(date) { return date.getDate() - 1; }); d3.time.days = d3.time.day.range; d3.time.days.utc = d3.time.day.utc.range; d3.time.dayOfYear = function(date) { var year = d3.time.year(date); return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5); }; d3_time_daySymbols.forEach(function(day, i) { day = day.toLowerCase(); i = 7 - i; var interval = d3.time[day] = d3_time_interval(function(date) { (date = d3.time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7); return date; }, function(date, offset) { date.setDate(date.getDate() + Math.floor(offset) * 7); }, function(date) { var day = d3.time.year(date).getDay(); return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i); }); d3.time[day + "s"] = interval.range; d3.time[day + "s"].utc = interval.utc.range; d3.time[day + "OfYear"] = function(date) { var day = d3.time.year(date).getDay(); return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7); }; }); d3.time.week = d3.time.sunday; d3.time.weeks = d3.time.sunday.range; d3.time.weeks.utc = d3.time.sunday.utc.range; d3.time.weekOfYear = d3.time.sundayOfYear; d3.time.month = d3_time_interval(function(date) { date = d3.time.day(date); date.setDate(1); return date; }, function(date, offset) { date.setMonth(date.getMonth() + offset); }, function(date) { return date.getMonth(); }); d3.time.months = d3.time.month.range; d3.time.months.utc = d3.time.month.utc.range; d3.time.year = d3_time_interval(function(date) { date = d3.time.day(date); date.setMonth(0, 1); return date; }, function(date, offset) { date.setFullYear(date.getFullYear() + offset); }, function(date) { return date.getFullYear(); }); d3.time.years = d3.time.year.range; d3.time.years.utc = d3.time.year.utc.range; function d3_time_scale(linear, methods, format) { function scale(x) { return linear(x); } scale.invert = function(x) { return d3_time_scaleDate(linear.invert(x)); }; scale.domain = function(x) { if (!arguments.length) return linear.domain().map(d3_time_scaleDate); linear.domain(x); return scale; }; scale.nice = function(m) { return scale.domain(d3_scale_nice(scale.domain(), function() { return m; })); }; scale.ticks = function(m, k) { var extent = d3_time_scaleExtent(scale.domain()); if (typeof m !== "function") { var span = extent[1] - extent[0], target = span / m, i = d3.bisect(d3_time_scaleSteps, target); if (i == d3_time_scaleSteps.length) return methods.year(extent, m); if (!i) return linear.ticks(m).map(d3_time_scaleDate); if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i; m = methods[i]; k = m[1]; m = m[0].range; } return m(extent[0], new Date(+extent[1] + 1), k); }; scale.tickFormat = function() { return format; }; scale.copy = function() { return d3_time_scale(linear.copy(), methods, format); }; return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); } function d3_time_scaleExtent(domain) { var start = domain[0], stop = domain[domain.length - 1]; return start < stop ? [ start, stop ] : [ stop, start ]; } function d3_time_scaleDate(t) { return new Date(t); } function d3_time_scaleFormat(formats) { return function(date) { var i = formats.length - 1, f = formats[i]; while (!f[1](date)) f = formats[--i]; return f[0](date); }; } function d3_time_scaleSetYear(y) { var d = new Date(y, 0, 1); d.setFullYear(y); return d; } function d3_time_scaleGetYear(d) { var y = d.getFullYear(), d0 = d3_time_scaleSetYear(y), d1 = d3_time_scaleSetYear(y + 1); return y + (d - d0) / (d1 - d0); } var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ]; var d3_time_scaleLocalMethods = [ [ d3.time.second, 1 ], [ d3.time.second, 5 ], [ d3.time.second, 15 ], [ d3.time.second, 30 ], [ d3.time.minute, 1 ], [ d3.time.minute, 5 ], [ d3.time.minute, 15 ], [ d3.time.minute, 30 ], [ d3.time.hour, 1 ], [ d3.time.hour, 3 ], [ d3.time.hour, 6 ], [ d3.time.hour, 12 ], [ d3.time.day, 1 ], [ d3.time.day, 2 ], [ d3.time.week, 1 ], [ d3.time.month, 1 ], [ d3.time.month, 3 ], [ d3.time.year, 1 ] ]; var d3_time_scaleLocalFormats = [ [ d3.time.format("%Y"), d3_true ], [ d3.time.format("%B"), function(d) { return d.getMonth(); } ], [ d3.time.format("%b %d"), function(d) { return d.getDate() != 1; } ], [ d3.time.format("%a %d"), function(d) { return d.getDay() && d.getDate() != 1; } ], [ d3.time.format("%I %p"), function(d) { return d.getHours(); } ], [ d3.time.format("%I:%M"), function(d) { return d.getMinutes(); } ], [ d3.time.format(":%S"), function(d) { return d.getSeconds(); } ], [ d3.time.format(".%L"), function(d) { return d.getMilliseconds(); } ] ]; var d3_time_scaleLinear = d3.scale.linear(), d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats); d3_time_scaleLocalMethods.year = function(extent, m) { return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear); }; d3.time.scale = function() { return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat); }; var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) { return [ m[0].utc, m[1] ]; }); var d3_time_scaleUTCFormats = [ [ d3.time.format.utc("%Y"), d3_true ], [ d3.time.format.utc("%B"), function(d) { return d.getUTCMonth(); } ], [ d3.time.format.utc("%b %d"), function(d) { return d.getUTCDate() != 1; } ], [ d3.time.format.utc("%a %d"), function(d) { return d.getUTCDay() && d.getUTCDate() != 1; } ], [ d3.time.format.utc("%I %p"), function(d) { return d.getUTCHours(); } ], [ d3.time.format.utc("%I:%M"), function(d) { return d.getUTCMinutes(); } ], [ d3.time.format.utc(":%S"), function(d) { return d.getUTCSeconds(); } ], [ d3.time.format.utc(".%L"), function(d) { return d.getUTCMilliseconds(); } ] ]; var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats); function d3_time_scaleUTCSetYear(y) { var d = new Date(Date.UTC(y, 0, 1)); d.setUTCFullYear(y); return d; } function d3_time_scaleUTCGetYear(d) { var y = d.getUTCFullYear(), d0 = d3_time_scaleUTCSetYear(y), d1 = d3_time_scaleUTCSetYear(y + 1); return y + (d - d0) / (d1 - d0); } d3_time_scaleUTCMethods.year = function(extent, m) { return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear); }; d3.time.scale.utc = function() { return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat); }; })();