Return-Path: X-Original-To: apmail-ctakes-commits-archive@www.apache.org Delivered-To: apmail-ctakes-commits-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 393F311C35 for ; Sat, 5 Apr 2014 18:33:14 +0000 (UTC) Received: (qmail 72503 invoked by uid 500); 5 Apr 2014 18:33:13 -0000 Delivered-To: apmail-ctakes-commits-archive@ctakes.apache.org Received: (qmail 72421 invoked by uid 500); 5 Apr 2014 18:33:12 -0000 Mailing-List: contact commits-help@ctakes.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@ctakes.apache.org Delivered-To: mailing list commits@ctakes.apache.org Received: (qmail 72309 invoked by uid 99); 5 Apr 2014 18:33:10 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 05 Apr 2014 18:33:10 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO eris.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 05 Apr 2014 18:33:05 +0000 Received: from eris.apache.org (localhost [127.0.0.1]) by eris.apache.org (Postfix) with ESMTP id D0F3F2388993; Sat, 5 Apr 2014 18:32:44 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: svn commit: r1585156 [2/13] - in /ctakes/sandbox: ./ CollapsableDendrogram/ CollapsableDendrogram/d3/ Data/ Dendrogram/ NodeLinkTree/ ZoomablePack/ Date: Sat, 05 Apr 2014 18:32:43 -0000 To: commits@ctakes.apache.org From: jtgreen@apache.org X-Mailer: svnmailer-1.0.9 Message-Id: <20140405183244.D0F3F2388993@eris.apache.org> X-Virus-Checked: Checked by ClamAV on apache.org Added: ctakes/sandbox/CollapsableDendrogram/d3/d3.js URL: http://svn.apache.org/viewvc/ctakes/sandbox/CollapsableDendrogram/d3/d3.js?rev=1585156&view=auto ============================================================================== --- ctakes/sandbox/CollapsableDendrogram/d3/d3.js (added) +++ ctakes/sandbox/CollapsableDendrogram/d3/d3.js Sat Apr 5 18:32:42 2014 @@ -0,0 +1,4149 @@ +(function(){if (!Date.now) Date.now = function() { + return +new Date; +}; +try { + document.createElement("div").style.setProperty("opacity", 0, ""); +} catch (error) { + var d3_style_prototype = CSSStyleDeclaration.prototype, + d3_style_setProperty = d3_style_prototype.setProperty; + d3_style_prototype.setProperty = function(name, value, priority) { + d3_style_setProperty.call(this, name, value + "", priority); + }; +} +d3 = {version: "2.4.4"}; // semver +var d3_array = d3_arraySlice; // conversion for NodeLists + +function d3_arrayCopy(pseudoarray) { + var i = -1, n = pseudoarray.length, array = []; + while (++i < n) array.push(pseudoarray[i]); + return array; +} + +function d3_arraySlice(pseudoarray) { + return Array.prototype.slice.call(pseudoarray); +} + +try { + d3_array(document.documentElement.childNodes)[0].nodeType; +} catch(e) { + d3_array = d3_arrayCopy; +} + +var d3_arraySubclass = [].__proto__? + +// Until ECMAScript supports array subclassing, prototype injection works well. +function(array, prototype) { + array.__proto__ = prototype; +}: + +// And if your browser doesn't support __proto__, we'll use direct extension. +function(array, prototype) { + for (var property in prototype) array[property] = prototype[property]; +}; +function d3_this() { + return this; +} +d3.functor = function(v) { + return typeof v === "function" ? v : function() { return v; }; +}; +// A getter-setter method that preserves the appropriate `this` context. +d3.rebind = function(object, method) { + return function() { + var x = method.apply(object, arguments); + return arguments.length ? object : x; + }; +}; +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; +}; +function d3_number(x) { + return x != null && !isNaN(x); +} +d3.sum = function(array, f) { + var s = 0, + n = array.length, + a, + i = -1; + + if (arguments.length === 1) { + while (++i < n) if (!isNaN(a = +array[i])) s += a; + } else { + while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a; + } + + return s; +}; +// R-7 per +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.zip = function() { + if (!(n = arguments.length)) return []; + for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m;) { + for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n;) { + zip[j] = arguments[j][i]; + } + } + return zips; +}; + +function d3_zipLength(d) { + return d.length; +} +// Locate the insertion point for x in a to maintain sorted order. The +// arguments lo and hi may be used to specify a subset of the array which should +// be considered; by default the entire array is used. If x is already present +// in a, the insertion point will be before (to the left of) any existing +// entries. The return value is suitable for use as the first argument to +// `array.splice` assuming that a is already sorted. +// +// The returned insertion point i partitions the array a into two halves so that +// all v < x for v in a[lo:i] for the left side and all v >= x for v in a[i:hi] +// for the right side. +d3.bisectLeft = function(a, x, lo, hi) { + if (arguments.length < 3) lo = 0; + if (arguments.length < 4) hi = a.length; + while (lo < hi) { + var mid = (lo + hi) >> 1; + if (a[mid] < x) lo = mid + 1; + else hi = mid; + } + return lo; +}; + +// Similar to bisectLeft, but returns an insertion point which comes after (to +// the right of) any existing entries of x in a. +// +// The returned insertion point i partitions the array into two halves so that +// all v <= x for v in a[lo:i] for the left side and all v > x for v in a[i:hi] +// for the right side. +d3.bisect = +d3.bisectRight = function(a, x, lo, hi) { + if (arguments.length < 3) lo = 0; + if (arguments.length < 4) hi = a.length; + while (lo < hi) { + var mid = (lo + hi) >> 1; + if (x < a[mid]) hi = mid; + else lo = mid + 1; + } + return lo; +}; +d3.first = function(array, f) { + var i = 0, + n = array.length, + a = array[0], + b; + if (arguments.length === 1) f = d3.ascending; + while (++i < n) { + if (f.call(array, a, b = array[i]) > 0) { + a = b; + } + } + return a; +}; +d3.last = function(array, f) { + var i = 0, + n = array.length, + a = array[0], + b; + if (arguments.length === 1) f = d3.ascending; + while (++i < n) { + if (f.call(array, a, b = array[i]) <= 0) { + a = b; + } + } + return a; +}; +d3.nest = function() { + var nest = {}, + keys = [], + sortKeys = [], + sortValues, + rollup; + + function map(array, depth) { + if (depth >= keys.length) return rollup + ? rollup.call(nest, array) : (sortValues + ? array.sort(sortValues) + : array); + + var i = -1, + n = array.length, + key = keys[depth++], + keyValue, + object, + o = {}; + + while (++i < n) { + if ((keyValue = key(object = array[i])) in o) { + o[keyValue].push(object); + } else { + o[keyValue] = [object]; + } + } + + for (keyValue in o) { + o[keyValue] = map(o[keyValue], depth); + } + + return o; + } + + function entries(map, depth) { + if (depth >= keys.length) return map; + + var a = [], + sortKey = sortKeys[depth++], + key; + + for (key in map) { + a.push({key: key, values: entries(map[key], depth)}); + } + + if (sortKey) a.sort(function(a, b) { + return sortKey(a.key, b.key); + }); + + return a; + } + + nest.map = function(array) { + return map(array, 0); + }; + + nest.entries = function(array) { + return entries(map(array, 0), 0); + }; + + nest.key = function(d) { + keys.push(d); + return nest; + }; + + // Specifies the order for the most-recently specified key. + // Note: only applies to entries. Map keys are unordered! + nest.sortKeys = function(order) { + sortKeys[keys.length - 1] = order; + return nest; + }; + + // Specifies the order for leaf values. + // Applies to both maps and entries array. + nest.sortValues = function(order) { + sortValues = order; + return nest; + }; + + nest.rollup = function(f) { + rollup = f; + return nest; + }; + + return nest; +}; +d3.keys = function(map) { + var keys = []; + for (var key in map) keys.push(key); + return keys; +}; +d3.values = function(map) { + var values = []; + for (var key in map) values.push(map[key]); + return values; +}; +d3.entries = function(map) { + var entries = []; + for (var key in map) entries.push({key: key, value: map[key]}); + return entries; +}; +d3.permute = function(array, indexes) { + var permutes = [], + i = -1, + n = indexes.length; + while (++i < n) permutes[i] = array[indexes[i]]; + return permutes; +}; +d3.merge = function(arrays) { + return Array.prototype.concat.apply([], arrays); +}; +d3.split = function(array, f) { + var arrays = [], + values = [], + value, + i = -1, + n = array.length; + if (arguments.length < 2) f = d3_splitter; + while (++i < n) { + if (f.call(values, value = array[i], i)) { + values = []; + } else { + if (!values.length) arrays.push(values); + values.push(value); + } + } + return arrays; +}; + +function d3_splitter(d) { + return d == null; +} +function d3_collapse(s) { + return s.replace(/(^\s+)|(\s+$)/g, "").replace(/\s+/g, " "); +} +/** + * @param {number} start + * @param {number=} stop + * @param {number=} step + */ +d3.range = function(start, stop, step) { + if (arguments.length < 3) { + step = 1; + if (arguments.length < 2) { + stop = start; + start = 0; + } + } + if ((stop - start) / step == Infinity) throw new Error("infinite range"); + var range = [], + i = -1, + j; + if (step < 0) while ((j = start + step * ++i) > stop) range.push(j); + else while ((j = start + step * ++i) < stop) range.push(j); + return range; +}; +d3.requote = function(s) { + return s.replace(d3_requote_re, "\\$&"); +}; + +var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; +d3.round = function(x, n) { + return n + ? Math.round(x * Math.pow(10, n)) * Math.pow(10, -n) + : Math.round(x); +}; +d3.xhr = function(url, mime, callback) { + var req = new XMLHttpRequest; + if (arguments.length < 3) callback = mime; + else if (mime && req.overrideMimeType) req.overrideMimeType(mime); + req.open("GET", url, true); + req.onreadystatechange = function() { + if (req.readyState === 4) callback(req.status < 300 ? req : null); + }; + req.send(null); +}; +d3.text = function(url, mime, callback) { + function ready(req) { + callback(req && req.responseText); + } + if (arguments.length < 3) { + callback = mime; + mime = null; + } + d3.xhr(url, mime, ready); +}; +d3.json = function(url, callback) { + d3.text(url, "application/json", function(text) { + callback(text ? JSON.parse(text) : null); + }); +}; +d3.html = function(url, callback) { + d3.text(url, "text/html", function(text) { + if (text != null) { // Treat empty string as valid HTML. + var range = document.createRange(); + range.selectNode(document.body); + text = range.createContextualFragment(text); + } + callback(text); + }); +}; +d3.xml = function(url, mime, callback) { + function ready(req) { + callback(req && req.responseXML); + } + if (arguments.length < 3) { + callback = mime; + mime = null; + } + d3.xhr(url, mime, ready); +}; +d3.ns = { + + prefix: { + 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/" + }, + + qualify: function(name) { + var i = name.indexOf(":"); + return i < 0 ? name : { + space: d3.ns.prefix[name.substring(0, i)], + local: name.substring(i + 1) + }; + } + +}; +/** @param {...string} types */ +d3.dispatch = function(types) { + var dispatch = {}, + type; + for (var i = 0, n = arguments.length; i < n; i++) { + type = arguments[i]; + dispatch[type] = d3_dispatch(type); + } + return dispatch; +}; + +function d3_dispatch(type) { + var dispatch = {}, + listeners = []; + + dispatch.add = function(listener) { + for (var i = 0; i < listeners.length; i++) { + if (listeners[i].listener == listener) return dispatch; // already registered + } + listeners.push({listener: listener, on: true}); + return dispatch; + }; + + dispatch.remove = function(listener) { + for (var i = 0; i < listeners.length; i++) { + var l = listeners[i]; + if (l.listener == listener) { + l.on = false; + listeners = listeners.slice(0, i).concat(listeners.slice(i + 1)); + break; + } + } + return dispatch; + }; + + dispatch.dispatch = function() { + var ls = listeners; // defensive reference + for (var i = 0, n = ls.length; i < n; i++) { + var l = ls[i]; + if (l.on) l.listener.apply(this, arguments); + } + }; + + return dispatch; +}; +// TODO align +d3.format = function(specifier) { + var match = d3_format_re.exec(specifier), + fill = match[1] || " ", + sign = match[3] || "", + zfill = match[5], + width = +match[6], + comma = match[7], + precision = match[8], + type = match[9], + scale = 1, + suffix = "", + integer = false; + + if (precision) precision = +precision.substring(1); + + if (zfill) { + fill = "0"; // TODO align = "="; + if (comma) width -= Math.floor((width - 1) / 4); + } + + switch (type) { + case "n": comma = true; type = "g"; break; + case "%": scale = 100; suffix = "%"; type = "f"; break; + case "p": scale = 100; suffix = "%"; type = "r"; break; + case "d": integer = true; precision = 0; break; + case "s": scale = -1; type = "r"; break; + } + + // If no precision is specified for r, fallback to general notation. + if (type == "r" && !precision) type = "g"; + + type = d3_format_types[type] || d3_format_typeDefault; + + return function(value) { + + // Return the empty string for floats formatted as ints. + if (integer && (value % 1)) return ""; + + // Convert negative to positive, and record the sign prefix. + var negative = (value < 0) && (value = -value) ? "\u2212" : sign; + + // Apply the scale, computing it from the value's exponent for si format. + if (scale < 0) { + var prefix = d3.formatPrefix(value, precision); + value *= prefix.scale; + suffix = prefix.symbol; + } else { + value *= scale; + } + + // Convert to the desired precision. + value = type(value, precision); + + // If the fill character is 0, the sign and group is applied after the fill. + if (zfill) { + var length = value.length + negative.length; + if (length < width) value = new Array(width - length + 1).join(fill) + value; + if (comma) value = d3_format_group(value); + value = negative + value; + } + + // Otherwise (e.g., space-filling), the sign and group is applied before. + else { + if (comma) value = d3_format_group(value); + value = negative + value; + var length = value.length; + if (length < width) value = new Array(width - length + 1).join(fill) + value; + } + + return value + suffix; + }; +}; + +// [[fill]align][sign][#][0][width][,][.precision][type] +var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/; + +var d3_format_types = { + g: function(x, p) { return x.toPrecision(p); }, + e: function(x, p) { return x.toExponential(p); }, + f: function(x, p) { return x.toFixed(p); }, + r: function(x, p) { return d3.round(x, p = d3_format_precision(x, p)).toFixed(Math.max(0, Math.min(20, p))); } +}; + +function d3_format_precision(x, p) { + return p - (x ? 1 + Math.floor(Math.log(x + Math.pow(10, 1 + Math.floor(Math.log(x) / Math.LN10) - p)) / Math.LN10) : 1); +} + +function d3_format_typeDefault(x) { + return x + ""; +} + +// Apply comma grouping for thousands. +function d3_format_group(value) { + var i = value.lastIndexOf("."), + f = i >= 0 ? value.substring(i) : (i = value.length, ""), + t = []; + while (i > 0) t.push(value.substring(i -= 3, i + 3)); + return t.reverse().join(",") + f; +} +var d3_formatPrefixes = ["y","z","a","f","p","n","μ","m","","k","M","G","T","P","E","Z","Y"].map(d3_formatPrefix); + +d3.formatPrefix = function(value, precision) { + var i = 0; + if (value) { + if (value < 0) value *= -1; + if (precision) value = d3.round(value, d3_format_precision(value, precision)); + i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10); + i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3)); + } + return d3_formatPrefixes[8 + i / 3]; +}; + +function d3_formatPrefix(d, i) { + return { + scale: Math.pow(10, (8 - i) * 3), + symbol: d + }; +} + +/* + * TERMS OF USE - EASING EQUATIONS + * + * Open source under the BSD License. + * + * Copyright 2001 Robert Penner + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * - Neither the name of the author nor the names of contributors may be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +var d3_ease_quad = d3_ease_poly(2), + d3_ease_cubic = d3_ease_poly(3); + +var d3_ease = { + linear: function() { return d3_ease_linear; }, + poly: d3_ease_poly, + quad: function() { return d3_ease_quad; }, + cubic: function() { return d3_ease_cubic; }, + sin: function() { return d3_ease_sin; }, + exp: function() { return d3_ease_exp; }, + circle: function() { return d3_ease_circle; }, + elastic: d3_ease_elastic, + back: d3_ease_back, + bounce: function() { return d3_ease_bounce; } +}; + +var d3_ease_mode = { + "in": function(f) { return f; }, + "out": d3_ease_reverse, + "in-out": d3_ease_reflect, + "out-in": function(f) { return d3_ease_reflect(d3_ease_reverse(f)); } +}; + +d3.ease = function(name) { + var i = name.indexOf("-"), + t = i >= 0 ? name.substring(0, i) : name, + m = i >= 0 ? name.substring(i + 1) : "in"; + return d3_ease_clamp(d3_ease_mode[m](d3_ease[t].apply(null, Array.prototype.slice.call(arguments, 1)))); +}; + +function d3_ease_clamp(f) { + return function(t) { + return t <= 0 ? 0 : t >= 1 ? 1 : f(t); + }; +} + +function d3_ease_reverse(f) { + return function(t) { + return 1 - f(1 - t); + }; +} + +function d3_ease_reflect(f) { + return function(t) { + return .5 * (t < .5 ? f(2 * t) : (2 - f(2 - 2 * t))); + }; +} + +function d3_ease_linear(t) { + return t; +} + +function d3_ease_poly(e) { + return function(t) { + return Math.pow(t, e); + } +} + +function d3_ease_sin(t) { + return 1 - Math.cos(t * Math.PI / 2); +} + +function d3_ease_exp(t) { + return Math.pow(2, 10 * (t - 1)); +} + +function d3_ease_circle(t) { + return 1 - Math.sqrt(1 - t * t); +} + +function d3_ease_elastic(a, p) { + var s; + if (arguments.length < 2) p = 0.45; + if (arguments.length < 1) { a = 1; s = p / 4; } + else s = p / (2 * Math.PI) * Math.asin(1 / a); + return function(t) { + return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * Math.PI / p); + }; +} + +function d3_ease_back(s) { + if (!s) s = 1.70158; + return function(t) { + return t * t * ((s + 1) * t - s); + }; +} + +function d3_ease_bounce(t) { + return t < 1 / 2.75 ? 7.5625 * t * t + : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 + : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 + : 7.5625 * (t -= 2.625 / 2.75) * t + .984375; +} +d3.event = null; +d3.interpolate = function(a, b) { + var i = d3.interpolators.length, f; + while (--i >= 0 && !(f = d3.interpolators[i](a, b))); + return f; +}; + +d3.interpolateNumber = function(a, b) { + b -= a; + return function(t) { return a + b * t; }; +}; + +d3.interpolateRound = function(a, b) { + b -= a; + return function(t) { return Math.round(a + b * t); }; +}; + +d3.interpolateString = function(a, b) { + var m, // current match + i, // current index + j, // current index (for coallescing) + s0 = 0, // start index of current string prefix + s1 = 0, // end index of current string prefix + s = [], // string constants and placeholders + q = [], // number interpolators + n, // q.length + o; + + // Reset our regular expression! + d3_interpolate_number.lastIndex = 0; + + // Find all numbers in b. + for (i = 0; m = d3_interpolate_number.exec(b); ++i) { + if (m.index) s.push(b.substring(s0, s1 = m.index)); + q.push({i: s.length, x: m[0]}); + s.push(null); + s0 = d3_interpolate_number.lastIndex; + } + if (s0 < b.length) s.push(b.substring(s0)); + + // Find all numbers in a. + for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) { + o = q[i]; + if (o.x == m[0]) { // The numbers match, so coallesce. + if (o.i) { + if (s[o.i + 1] == null) { // This match is followed by another number. + s[o.i - 1] += o.x; + s.splice(o.i, 1); + for (j = i + 1; j < n; ++j) q[j].i--; + } else { // This match is followed by a string, so coallesce twice. + s[o.i - 1] += o.x + s[o.i + 1]; + s.splice(o.i, 2); + for (j = i + 1; j < n; ++j) q[j].i -= 2; + } + } else { + if (s[o.i + 1] == null) { // This match is followed by another number. + s[o.i] = o.x; + } else { // This match is followed by a string, so coallesce twice. + s[o.i] = o.x + s[o.i + 1]; + s.splice(o.i + 1, 1); + for (j = i + 1; j < n; ++j) q[j].i--; + } + } + q.splice(i, 1); + n--; + i--; + } else { + o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x)); + } + } + + // Remove any numbers in b not found in a. + while (i < n) { + o = q.pop(); + if (s[o.i + 1] == null) { // This match is followed by another number. + s[o.i] = o.x; + } else { // This match is followed by a string, so coallesce twice. + s[o.i] = o.x + s[o.i + 1]; + s.splice(o.i + 1, 1); + } + n--; + } + + // Special optimization for only a single match. + if (s.length === 1) { + return s[0] == null ? q[0].x : function() { return b; }; + } + + // Otherwise, interpolate each of the numbers and rejoin the string. + return function(t) { + for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }; +}; + +d3.interpolateRgb = function(a, b) { + a = d3.rgb(a); + b = d3.rgb(b); + var ar = a.r, + ag = a.g, + ab = a.b, + br = b.r - ar, + bg = b.g - ag, + bb = b.b - ab; + return function(t) { + return "#" + + d3_rgb_hex(Math.round(ar + br * t)) + + d3_rgb_hex(Math.round(ag + bg * t)) + + d3_rgb_hex(Math.round(ab + bb * t)); + }; +}; + +// interpolates HSL space, but outputs RGB string (for compatibility) +d3.interpolateHsl = function(a, b) { + a = d3.hsl(a); + b = d3.hsl(b); + var h0 = a.h, + s0 = a.s, + l0 = a.l, + h1 = b.h - h0, + s1 = b.s - s0, + l1 = b.l - l0; + return function(t) { + return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t).toString(); + }; +}; + +d3.interpolateArray = function(a, b) { + var x = [], + c = [], + na = a.length, + nb = b.length, + n0 = Math.min(a.length, b.length), + i; + for (i = 0; i < n0; ++i) x.push(d3.interpolate(a[i], b[i])); + for (; i < na; ++i) c[i] = a[i]; + for (; i < nb; ++i) c[i] = b[i]; + return function(t) { + for (i = 0; i < n0; ++i) c[i] = x[i](t); + return c; + }; +}; + +d3.interpolateObject = function(a, b) { + var i = {}, + c = {}, + k; + for (k in a) { + if (k in b) { + i[k] = d3_interpolateByName(k)(a[k], b[k]); + } else { + c[k] = a[k]; + } + } + for (k in b) { + if (!(k in a)) { + c[k] = b[k]; + } + } + return function(t) { + for (k in i) c[k] = i[k](t); + return c; + }; +} + +var d3_interpolate_number = /[-+]?(?:\d+\.\d+|\d+\.|\.\d+|\d+)(?:[eE][-]?\d+)?/g, + d3_interpolate_rgb = {background: 1, fill: 1, stroke: 1}; + +function d3_interpolateByName(n) { + return n in d3_interpolate_rgb || /\bcolor\b/.test(n) + ? d3.interpolateRgb + : d3.interpolate; +} + +d3.interpolators = [ + d3.interpolateObject, + function(a, b) { return (b instanceof Array) && d3.interpolateArray(a, b); }, + function(a, b) { return (typeof b === "string") && d3.interpolateString(String(a), b); }, + function(a, b) { return (typeof b === "string" ? b in d3_rgb_names || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Rgb || b instanceof d3_Hsl) && d3.interpolateRgb(String(a), b); }, + function(a, b) { return (typeof b === "number") && d3.interpolateNumber(+a, b); } +]; +function d3_uninterpolateNumber(a, b) { + b = b - (a = +a) ? 1 / (b - a) : 0; + return function(x) { return (x - a) * b; }; +} + +function d3_uninterpolateClamp(a, b) { + b = b - (a = +a) ? 1 / (b - a) : 0; + return function(x) { return Math.max(0, Math.min(1, (x - a) * b)); }; +} +d3.rgb = function(r, g, b) { + return arguments.length === 1 + ? (r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b) + : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb)) + : d3_rgb(~~r, ~~g, ~~b); +}; + +function d3_rgb(r, g, b) { + return new d3_Rgb(r, g, b); +} + +function d3_Rgb(r, g, b) { + this.r = r; + this.g = g; + this.b = b; +} + +d3_Rgb.prototype.brighter = function(k) { + k = Math.pow(0.7, arguments.length ? k : 1); + var r = this.r, + g = this.g, + b = this.b, + i = 30; + if (!r && !g && !b) return d3_rgb(i, i, i); + if (r && r < i) r = i; + if (g && g < i) g = i; + if (b && b < i) b = i; + return d3_rgb( + Math.min(255, Math.floor(r / k)), + Math.min(255, Math.floor(g / k)), + Math.min(255, Math.floor(b / k))); +}; + +d3_Rgb.prototype.darker = function(k) { + k = Math.pow(0.7, arguments.length ? k : 1); + return d3_rgb( + Math.floor(k * this.r), + Math.floor(k * this.g), + Math.floor(k * this.b)); +}; + +d3_Rgb.prototype.hsl = function() { + return d3_rgb_hsl(this.r, this.g, this.b); +}; + +d3_Rgb.prototype.toString = function() { + return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b); +}; + +function d3_rgb_hex(v) { + return v < 0x10 + ? "0" + Math.max(0, v).toString(16) + : Math.min(255, v).toString(16); +} + +function d3_rgb_parse(format, rgb, hsl) { + var r = 0, // red channel; int in [0, 255] + g = 0, // green channel; int in [0, 255] + b = 0, // blue channel; int in [0, 255] + m1, // CSS color specification match + m2, // CSS color specification type (e.g., rgb) + name; + + /* Handle hsl, rgb. */ + m1 = /([a-z]+)\((.*)\)/i.exec(format); + if (m1) { + m2 = m1[2].split(","); + switch (m1[1]) { + case "hsl": { + return hsl( + parseFloat(m2[0]), // degrees + parseFloat(m2[1]) / 100, // percentage + parseFloat(m2[2]) / 100 // percentage + ); + } + case "rgb": { + return rgb( + d3_rgb_parseNumber(m2[0]), + d3_rgb_parseNumber(m2[1]), + d3_rgb_parseNumber(m2[2]) + ); + } + } + } + + /* Named colors. */ + if (name = d3_rgb_names[format]) return rgb(name.r, name.g, name.b); + + /* Hexadecimal colors: #rgb and #rrggbb. */ + if (format != null && format.charAt(0) === "#") { + if (format.length === 4) { + r = format.charAt(1); r += r; + g = format.charAt(2); g += g; + b = format.charAt(3); b += b; + } else if (format.length === 7) { + r = format.substring(1, 3); + g = format.substring(3, 5); + b = format.substring(5, 7); + } + r = parseInt(r, 16); + g = parseInt(g, 16); + b = parseInt(b, 16); + } + + return rgb(r, g, b); +} + +function d3_rgb_hsl(r, g, b) { + var min = Math.min(r /= 255, g /= 255, b /= 255), + max = Math.max(r, g, b), + d = max - min, + h, + s, + l = (max + min) / 2; + if (d) { + s = l < .5 ? d / (max + min) : d / (2 - max - min); + if (r == max) h = (g - b) / d + (g < b ? 6 : 0); + else if (g == max) h = (b - r) / d + 2; + else h = (r - g) / d + 4; + h *= 60; + } else { + s = h = 0; + } + return d3_hsl(h, s, l); +} + +function d3_rgb_parseNumber(c) { // either integer or percentage + var f = parseFloat(c); + return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f; +} + +var d3_rgb_names = { + aliceblue: "#f0f8ff", + antiquewhite: "#faebd7", + aqua: "#00ffff", + aquamarine: "#7fffd4", + azure: "#f0ffff", + beige: "#f5f5dc", + bisque: "#ffe4c4", + black: "#000000", + blanchedalmond: "#ffebcd", + blue: "#0000ff", + blueviolet: "#8a2be2", + brown: "#a52a2a", + burlywood: "#deb887", + cadetblue: "#5f9ea0", + chartreuse: "#7fff00", + chocolate: "#d2691e", + coral: "#ff7f50", + cornflowerblue: "#6495ed", + cornsilk: "#fff8dc", + crimson: "#dc143c", + cyan: "#00ffff", + darkblue: "#00008b", + darkcyan: "#008b8b", + darkgoldenrod: "#b8860b", + darkgray: "#a9a9a9", + darkgreen: "#006400", + darkgrey: "#a9a9a9", + darkkhaki: "#bdb76b", + darkmagenta: "#8b008b", + darkolivegreen: "#556b2f", + darkorange: "#ff8c00", + darkorchid: "#9932cc", + darkred: "#8b0000", + darksalmon: "#e9967a", + darkseagreen: "#8fbc8f", + darkslateblue: "#483d8b", + darkslategray: "#2f4f4f", + darkslategrey: "#2f4f4f", + darkturquoise: "#00ced1", + darkviolet: "#9400d3", + deeppink: "#ff1493", + deepskyblue: "#00bfff", + dimgray: "#696969", + dimgrey: "#696969", + dodgerblue: "#1e90ff", + firebrick: "#b22222", + floralwhite: "#fffaf0", + forestgreen: "#228b22", + fuchsia: "#ff00ff", + gainsboro: "#dcdcdc", + ghostwhite: "#f8f8ff", + gold: "#ffd700", + goldenrod: "#daa520", + gray: "#808080", + green: "#008000", + greenyellow: "#adff2f", + grey: "#808080", + honeydew: "#f0fff0", + hotpink: "#ff69b4", + indianred: "#cd5c5c", + indigo: "#4b0082", + ivory: "#fffff0", + khaki: "#f0e68c", + lavender: "#e6e6fa", + lavenderblush: "#fff0f5", + lawngreen: "#7cfc00", + lemonchiffon: "#fffacd", + lightblue: "#add8e6", + lightcoral: "#f08080", + lightcyan: "#e0ffff", + lightgoldenrodyellow: "#fafad2", + lightgray: "#d3d3d3", + lightgreen: "#90ee90", + lightgrey: "#d3d3d3", + lightpink: "#ffb6c1", + lightsalmon: "#ffa07a", + lightseagreen: "#20b2aa", + lightskyblue: "#87cefa", + lightslategray: "#778899", + lightslategrey: "#778899", + lightsteelblue: "#b0c4de", + lightyellow: "#ffffe0", + lime: "#00ff00", + limegreen: "#32cd32", + linen: "#faf0e6", + magenta: "#ff00ff", + maroon: "#800000", + mediumaquamarine: "#66cdaa", + mediumblue: "#0000cd", + mediumorchid: "#ba55d3", + mediumpurple: "#9370db", + mediumseagreen: "#3cb371", + mediumslateblue: "#7b68ee", + mediumspringgreen: "#00fa9a", + mediumturquoise: "#48d1cc", + mediumvioletred: "#c71585", + midnightblue: "#191970", + mintcream: "#f5fffa", + mistyrose: "#ffe4e1", + moccasin: "#ffe4b5", + navajowhite: "#ffdead", + navy: "#000080", + oldlace: "#fdf5e6", + olive: "#808000", + olivedrab: "#6b8e23", + orange: "#ffa500", + orangered: "#ff4500", + orchid: "#da70d6", + palegoldenrod: "#eee8aa", + palegreen: "#98fb98", + paleturquoise: "#afeeee", + palevioletred: "#db7093", + papayawhip: "#ffefd5", + peachpuff: "#ffdab9", + peru: "#cd853f", + pink: "#ffc0cb", + plum: "#dda0dd", + powderblue: "#b0e0e6", + purple: "#800080", + red: "#ff0000", + rosybrown: "#bc8f8f", + royalblue: "#4169e1", + saddlebrown: "#8b4513", + salmon: "#fa8072", + sandybrown: "#f4a460", + seagreen: "#2e8b57", + seashell: "#fff5ee", + sienna: "#a0522d", + silver: "#c0c0c0", + skyblue: "#87ceeb", + slateblue: "#6a5acd", + slategray: "#708090", + slategrey: "#708090", + snow: "#fffafa", + springgreen: "#00ff7f", + steelblue: "#4682b4", + tan: "#d2b48c", + teal: "#008080", + thistle: "#d8bfd8", + tomato: "#ff6347", + turquoise: "#40e0d0", + violet: "#ee82ee", + wheat: "#f5deb3", + white: "#ffffff", + whitesmoke: "#f5f5f5", + yellow: "#ffff00", + yellowgreen: "#9acd32" +}; + +for (var d3_rgb_name in d3_rgb_names) { + d3_rgb_names[d3_rgb_name] = d3_rgb_parse( + d3_rgb_names[d3_rgb_name], + d3_rgb, + d3_hsl_rgb); +} +d3.hsl = function(h, s, l) { + return arguments.length === 1 + ? (h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l) + : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl)) + : d3_hsl(+h, +s, +l); +}; + +function d3_hsl(h, s, l) { + return new d3_Hsl(h, s, l); +} + +function d3_Hsl(h, s, l) { + this.h = h; + this.s = s; + this.l = l; +} + +d3_Hsl.prototype.brighter = function(k) { + k = Math.pow(0.7, arguments.length ? k : 1); + return d3_hsl(this.h, this.s, this.l / k); +}; + +d3_Hsl.prototype.darker = function(k) { + k = Math.pow(0.7, arguments.length ? k : 1); + return d3_hsl(this.h, this.s, k * this.l); +}; + +d3_Hsl.prototype.rgb = function() { + return d3_hsl_rgb(this.h, this.s, this.l); +}; + +d3_Hsl.prototype.toString = function() { + return this.rgb().toString(); +}; + +function d3_hsl_rgb(h, s, l) { + var m1, + m2; + + /* Some simple corrections for h, s and l. */ + h = h % 360; if (h < 0) h += 360; + s = s < 0 ? 0 : s > 1 ? 1 : s; + l = l < 0 ? 0 : l > 1 ? 1 : l; + + /* From FvD 13.37, CSS Color Module Level 3 */ + m2 = l <= .5 ? l * (1 + s) : l + s - l * s; + m1 = 2 * l - m2; + + function v(h) { + if (h > 360) h -= 360; + else if (h < 0) h += 360; + if (h < 60) return m1 + (m2 - m1) * h / 60; + if (h < 180) return m2; + if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60; + return m1; + } + + function vv(h) { + return Math.round(v(h) * 255); + } + + return d3_rgb(vv(h + 120), vv(h), vv(h - 120)); +} +function d3_selection(groups) { + d3_arraySubclass(groups, d3_selectionPrototype); + return groups; +} + +var d3_select = function(s, n) { return n.querySelector(s); }, + d3_selectAll = function(s, n) { return n.querySelectorAll(s); }; + +// Prefer Sizzle, if available. +if (typeof Sizzle === "function") { + d3_select = function(s, n) { return Sizzle(s, n)[0]; }; + d3_selectAll = function(s, n) { return Sizzle.uniqueSort(Sizzle(s, n)); }; +} + +var d3_selectionPrototype = []; + +d3.selection = function() { + return d3_selectionRoot; +}; + +d3.selection.prototype = d3_selectionPrototype; +d3_selectionPrototype.select = function(selector) { + var subgroups = [], + subgroup, + subnode, + group, + node; + + if (typeof selector !== "function") selector = d3_selection_selector(selector); + + for (var j = -1, m = this.length; ++j < m;) { + subgroups.push(subgroup = []); + subgroup.parentNode = (group = this[j]).parentNode; + for (var i = -1, n = group.length; ++i < n;) { + if (node = group[i]) { + subgroup.push(subnode = selector.call(node, node.__data__, i)); + if (subnode && "__data__" in node) subnode.__data__ = node.__data__; + } else { + subgroup.push(null); + } + } + } + + return d3_selection(subgroups); +}; + +function d3_selection_selector(selector) { + return function() { + return d3_select(selector, this); + }; +} +d3_selectionPrototype.selectAll = function(selector) { + var subgroups = [], + subgroup, + node; + + if (typeof selector !== "function") selector = d3_selection_selectorAll(selector); + + for (var j = -1, m = this.length; ++j < m;) { + for (var group = this[j], i = -1, n = group.length; ++i < n;) { + if (node = group[i]) { + subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i))); + subgroup.parentNode = node; + } + } + } + + return d3_selection(subgroups); +}; + +function d3_selection_selectorAll(selector) { + return function() { + return d3_selectAll(selector, this); + }; +} +d3_selectionPrototype.attr = function(name, value) { + name = d3.ns.qualify(name); + + // If no value is specified, return the first value. + if (arguments.length < 2) { + var node = this.node(); + return name.local + ? node.getAttributeNS(name.space, name.local) + : node.getAttribute(name); + } + + function attrNull() { + this.removeAttribute(name); + } + + function attrNullNS() { + this.removeAttributeNS(name.space, name.local); + } + + function attrConstant() { + this.setAttribute(name, value); + } + + function attrConstantNS() { + this.setAttributeNS(name.space, name.local, value); + } + + function attrFunction() { + var x = value.apply(this, arguments); + if (x == null) this.removeAttribute(name); + else this.setAttribute(name, x); + } + + function attrFunctionNS() { + var x = value.apply(this, arguments); + if (x == null) this.removeAttributeNS(name.space, name.local); + else this.setAttributeNS(name.space, name.local, x); + } + + return this.each(value == null + ? (name.local ? attrNullNS : attrNull) : (typeof value === "function" + ? (name.local ? attrFunctionNS : attrFunction) + : (name.local ? attrConstantNS : attrConstant))); +}; +d3_selectionPrototype.classed = function(name, value) { + var names = name.split(d3_selection_classedWhitespace), + n = names.length, + i = -1; + if (arguments.length > 1) { + while (++i < n) d3_selection_classed.call(this, names[i], value); + return this; + } else { + while (++i < n) if (!d3_selection_classed.call(this, names[i])) return false; + return true; + } +}; + +var d3_selection_classedWhitespace = /\s+/g; + +function d3_selection_classed(name, value) { + var re = new RegExp("(^|\\s+)" + d3.requote(name) + "(\\s+|$)", "g"); + + // If no value is specified, return the first value. + if (arguments.length < 2) { + var node = this.node(); + if (c = node.classList) return c.contains(name); + var c = node.className; + re.lastIndex = 0; + return re.test(c.baseVal != null ? c.baseVal : c); + } + + function classedAdd() { + if (c = this.classList) return c.add(name); + var c = this.className, + cb = c.baseVal != null, + cv = cb ? c.baseVal : c; + re.lastIndex = 0; + if (!re.test(cv)) { + cv = d3_collapse(cv + " " + name); + if (cb) c.baseVal = cv; + else this.className = cv; + } + } + + function classedRemove() { + if (c = this.classList) return c.remove(name); + var c = this.className, + cb = c.baseVal != null, + cv = cb ? c.baseVal : c; + cv = d3_collapse(cv.replace(re, " ")); + if (cb) c.baseVal = cv; + else this.className = cv; + } + + function classedFunction() { + (value.apply(this, arguments) + ? classedAdd + : classedRemove).call(this); + } + + return this.each(typeof value === "function" + ? classedFunction : value + ? classedAdd + : classedRemove); +} +d3_selectionPrototype.style = function(name, value, priority) { + if (arguments.length < 3) priority = ""; + + // If no value is specified, return the first value. + if (arguments.length < 2) return window + .getComputedStyle(this.node(), null) + .getPropertyValue(name); + + function styleNull() { + this.style.removeProperty(name); + } + + function styleConstant() { + this.style.setProperty(name, value, priority); + } + + function styleFunction() { + var x = value.apply(this, arguments); + if (x == null) this.style.removeProperty(name); + else this.style.setProperty(name, x, priority); + } + + return this.each(value == null + ? styleNull : (typeof value === "function" + ? styleFunction : styleConstant)); +}; +d3_selectionPrototype.property = function(name, value) { + + // If no value is specified, return the first value. + if (arguments.length < 2) return this.node()[name]; + + function propertyNull() { + delete this[name]; + } + + function propertyConstant() { + this[name] = value; + } + + function propertyFunction() { + var x = value.apply(this, arguments); + if (x == null) delete this[name]; + else this[name] = x; + } + + return this.each(value == null + ? propertyNull : (typeof value === "function" + ? propertyFunction : propertyConstant)); +}; +d3_selectionPrototype.text = function(value) { + return arguments.length < 1 ? this.node().textContent + : (this.each(typeof value === "function" + ? function() { this.textContent = value.apply(this, arguments); } + : function() { this.textContent = value; })); +}; +d3_selectionPrototype.html = function(value) { + return arguments.length < 1 ? this.node().innerHTML + : (this.each(typeof value === "function" + ? function() { this.innerHTML = value.apply(this, arguments); } + : function() { this.innerHTML = value; })); +}; +// TODO append(node)? +// TODO append(function)? +d3_selectionPrototype.append = function(name) { + name = d3.ns.qualify(name); + + function append() { + return this.appendChild(document.createElement(name)); + } + + function appendNS() { + return this.appendChild(document.createElementNS(name.space, name.local)); + } + + return this.select(name.local ? appendNS : append); +}; +// TODO insert(node, function)? +// TODO insert(function, string)? +// TODO insert(function, function)? +d3_selectionPrototype.insert = function(name, before) { + name = d3.ns.qualify(name); + + function insert() { + return this.insertBefore( + document.createElement(name), + d3_select(before, this)); + } + + function insertNS() { + return this.insertBefore( + document.createElementNS(name.space, name.local), + d3_select(before, this)); + } + + return this.select(name.local ? insertNS : insert); +}; +// TODO remove(selector)? +// TODO remove(node)? +// TODO remove(function)? +d3_selectionPrototype.remove = function() { + return this.each(function() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); + }); +}; +// TODO data(null) for clearing data? +d3_selectionPrototype.data = function(data, join) { + var enter = [], + update = [], + exit = []; + + function bind(group, groupData) { + var i, + n = group.length, + m = groupData.length, + n0 = Math.min(n, m), + n1 = Math.max(n, m), + updateNodes = [], + enterNodes = [], + exitNodes = [], + node, + nodeData; + + if (join) { + var nodeByKey = {}, + keys = [], + key, + j = groupData.length; + + for (i = -1; ++i < n;) { + key = join.call(node = group[i], node.__data__, i); + if (key in nodeByKey) { + exitNodes[j++] = node; // duplicate key + } else { + nodeByKey[key] = node; + } + keys.push(key); + } + + for (i = -1; ++i < m;) { + node = nodeByKey[key = join.call(groupData, nodeData = groupData[i], i)]; + if (node) { + node.__data__ = nodeData; + updateNodes[i] = node; + enterNodes[i] = exitNodes[i] = null; + } else { + enterNodes[i] = d3_selection_dataNode(nodeData); + updateNodes[i] = exitNodes[i] = null; + } + delete nodeByKey[key]; + } + + for (i = -1; ++i < n;) { + if (keys[i] in nodeByKey) { + exitNodes[i] = group[i]; + } + } + } else { + for (i = -1; ++i < n0;) { + node = group[i]; + nodeData = groupData[i]; + if (node) { + node.__data__ = nodeData; + updateNodes[i] = node; + enterNodes[i] = exitNodes[i] = null; + } else { + enterNodes[i] = d3_selection_dataNode(nodeData); + updateNodes[i] = exitNodes[i] = null; + } + } + for (; i < m; ++i) { + enterNodes[i] = d3_selection_dataNode(groupData[i]); + updateNodes[i] = exitNodes[i] = null; + } + for (; i < n1; ++i) { + exitNodes[i] = group[i]; + enterNodes[i] = updateNodes[i] = null; + } + } + + enterNodes.update + = updateNodes; + + enterNodes.parentNode + = updateNodes.parentNode + = exitNodes.parentNode + = group.parentNode; + + enter.push(enterNodes); + update.push(updateNodes); + exit.push(exitNodes); + } + + var i = -1, + n = this.length, + group; + if (typeof data === "function") { + while (++i < n) { + bind(group = this[i], data.call(group, group.parentNode.__data__, i)); + } + } else { + while (++i < n) { + bind(group = this[i], data); + } + } + + var selection = d3_selection(update); + selection.enter = function() { return d3_selection_enter(enter); }; + selection.exit = function() { return d3_selection(exit); }; + return selection; +}; + +function d3_selection_dataNode(data) { + return {__data__: data}; +} +function d3_selection_enter(selection) { + d3_arraySubclass(selection, d3_selection_enterPrototype); + return selection; +} + +var d3_selection_enterPrototype = []; + +d3_selection_enterPrototype.append = d3_selectionPrototype.append; +d3_selection_enterPrototype.insert = d3_selectionPrototype.insert; +d3_selection_enterPrototype.empty = d3_selectionPrototype.empty; +d3_selection_enterPrototype.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); +}; +// TODO preserve null elements to maintain index? +d3_selectionPrototype.filter = function(filter) { + var subgroups = [], + subgroup, + group, + node; + + 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); +}; +d3_selectionPrototype.map = function(map) { + return this.each(function() { + this.__data__ = map.apply(this, arguments); + }); +}; +d3_selectionPrototype.sort = function(comparator) { + comparator = d3_selection_sortComparator.apply(this, arguments); + for (var j = 0, m = this.length; j < m; j++) { + for (var group = this[j].sort(comparator), i = 1, n = group.length, prev = group[0]; i < n; i++) { + var node = group[i]; + if (node) { + if (prev) prev.parentNode.insertBefore(node, prev.nextSibling); + prev = node; + } + } + } + return this; +}; + +function d3_selection_sortComparator(comparator) { + if (!arguments.length) comparator = d3.ascending; + return function(a, b) { + return comparator(a && a.__data__, b && b.__data__); + }; +} +// type can be namespaced, e.g., "click.foo" +// listener can be null for removal +d3_selectionPrototype.on = function(type, listener, capture) { + if (arguments.length < 3) capture = false; + + // parse the type specifier + var name = "__on" + type, i = type.indexOf("."); + if (i > 0) type = type.substring(0, i); + + // if called with only one argument, return the current listener + if (arguments.length < 2) return (i = this.node()[name]) && i._; + + // remove the old event listener, and add the new event listener + return this.each(function(d, i) { + var node = this; + + if (node[name]) node.removeEventListener(type, node[name], capture); + if (listener) node.addEventListener(type, node[name] = l, capture); + + // wrapped event listener that preserves i + function l(e) { + var o = d3.event; // Events can be reentrant (e.g., focus). + d3.event = e; + try { + listener.call(node, node.__data__, i); + } finally { + d3.event = o; + } + } + + // stash the unwrapped listener for retrieval + l._ = listener; + }); +}; +d3_selectionPrototype.each = function(callback) { + for (var j = -1, m = this.length; ++j < m;) { + for (var group = this[j], i = -1, n = group.length; ++i < n;) { + var node = group[i]; + if (node) callback.call(node, node.__data__, i, j); + } + } + return this; +}; +// +// Note: assigning to the arguments array simultaneously changes the value of +// the corresponding argument! +// +// TODO The `this` argument probably shouldn't be the first argument to the +// callback, anyway, since it's redundant. However, that will require a major +// version bump due to backwards compatibility, so I'm not changing it right +// away. +// +d3_selectionPrototype.call = function(callback) { + callback.apply(this, (arguments[0] = this, arguments)); + return this; +}; +d3_selectionPrototype.empty = function() { + return !this.node(); +}; +d3_selectionPrototype.node = function(callback) { + for (var j = 0, m = this.length; j < m; j++) { + for (var group = this[j], i = 0, n = group.length; i < n; i++) { + var node = group[i]; + if (node) return node; + } + } + return null; +}; +d3_selectionPrototype.transition = function() { + var subgroups = [], + subgroup, + node; + + for (var j = -1, m = this.length; ++j < m;) { + subgroups.push(subgroup = []); + for (var group = this[j], i = -1, n = group.length; ++i < n;) { + subgroup.push((node = group[i]) ? {node: node, delay: 0, duration: 250} : null); + } + } + + return d3_transition(subgroups, d3_transitionInheritId || ++d3_transitionId, Date.now()); +}; +var d3_selectionRoot = d3_selection([[document]]); + +d3_selectionRoot[0].parentNode = document.documentElement; + +// TODO fast singleton implementation! +// TODO select(function) +d3.select = function(selector) { + return typeof selector === "string" + ? d3_selectionRoot.select(selector) + : d3_selection([[selector]]); // assume node +}; + +// TODO selectAll(function) +d3.selectAll = function(selector) { + return typeof selector === "string" + ? d3_selectionRoot.selectAll(selector) + : d3_selection([d3_array(selector)]); // assume node[] +}; +function d3_transition(groups, id, time) { + d3_arraySubclass(groups, d3_transitionPrototype); + + var tweens = {}, + event = d3.dispatch("start", "end"), + ease = d3_transitionEase; + + groups.id = id; + + groups.time = time; + + groups.tween = function(name, tween) { + if (arguments.length < 2) return tweens[name]; + if (tween == null) delete tweens[name]; + else tweens[name] = tween; + return groups; + }; + + groups.ease = function(value) { + if (!arguments.length) return ease; + ease = typeof value === "function" ? value : d3.ease.apply(d3, arguments); + return groups; + }; + + groups.each = function(type, listener) { + if (arguments.length < 2) return d3_transition_each.call(groups, type); + event[type].add(listener); + return groups; + }; + + d3.timer(function(elapsed) { + groups.each(function(d, i, j) { + var tweened = [], + node = this, + delay = groups[j][i].delay, + duration = groups[j][i].duration, + lock = node.__transition__ || (node.__transition__ = {active: 0, count: 0}); + + ++lock.count; + + delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time); + + function start(elapsed) { + if (lock.active > id) return stop(); + lock.active = id; + + for (var tween in tweens) { + if (tween = tweens[tween].call(node, d, i)) { + tweened.push(tween); + } + } + + event.start.dispatch.call(node, d, i); + if (!tick(elapsed)) d3.timer(tick, 0, time); + return 1; + } + + function tick(elapsed) { + if (lock.active !== id) return stop(); + + var t = (elapsed - delay) / duration, + e = ease(t), + n = tweened.length; + + while (n > 0) { + tweened[--n].call(node, e); + } + + if (t >= 1) { + stop(); + d3_transitionInheritId = id; + event.end.dispatch.call(node, d, i); + d3_transitionInheritId = 0; + return 1; + } + } + + function stop() { + if (!--lock.count) delete node.__transition__; + return 1; + } + }); + return 1; + }, 0, time); + + return groups; +} + +var d3_transitionRemove = {}; + +function d3_transitionNull(d, i, a) { + return a != "" && d3_transitionRemove; +} + +function d3_transitionTween(b) { + + function transitionFunction(d, i, a) { + var v = b.call(this, d, i); + return v == null + ? a != "" && d3_transitionRemove + : a != v && d3.interpolate(a, v); + } + + function transitionString(d, i, a) { + return a != b && d3.interpolate(a, b); + } + + return typeof b === "function" ? transitionFunction + : b == null ? d3_transitionNull + : (b += "", transitionString); +} + +var d3_transitionPrototype = [], + d3_transitionId = 0, + d3_transitionInheritId = 0, + d3_transitionEase = d3.ease("cubic-in-out"); + +d3_transitionPrototype.call = d3_selectionPrototype.call; + +d3.transition = function() { + return d3_selectionRoot.transition(); +}; + +d3.transition.prototype = d3_transitionPrototype; +d3_transitionPrototype.select = function(selector) { + var subgroups = [], + subgroup, + subnode, + node; + + if (typeof selector !== "function") selector = d3_selection_selector(selector); + + for (var j = -1, m = this.length; ++j < m;) { + subgroups.push(subgroup = []); + for (var group = this[j], i = -1, n = group.length; ++i < n;) { + if ((node = group[i]) && (subnode = selector.call(node.node, node.node.__data__, i))) { + if ("__data__" in node.node) subnode.__data__ = node.node.__data__; + subgroup.push({node: subnode, delay: node.delay, duration: node.duration}); + } else { + subgroup.push(null); + } + } + } + + return d3_transition(subgroups, this.id, this.time).ease(this.ease()); +}; +d3_transitionPrototype.selectAll = function(selector) { + var subgroups = [], + subgroup, + subnodes, + node; + + if (typeof selector !== "function") selector = d3_selection_selectorAll(selector); + + for (var j = -1, m = this.length; ++j < m;) { + for (var group = this[j], i = -1, n = group.length; ++i < n;) { + if (node = group[i]) { + subnodes = selector.call(node.node, node.node.__data__, i); + subgroups.push(subgroup = []); + for (var k = -1, o = subnodes.length; ++k < o;) { + subgroup.push({node: subnodes[k], delay: node.delay, duration: node.duration}); + } + } + } + } + + return d3_transition(subgroups, this.id, this.time).ease(this.ease()); +}; +d3_transitionPrototype.attr = function(name, value) { + return this.attrTween(name, d3_transitionTween(value)); +}; + +d3_transitionPrototype.attrTween = function(nameNS, tween) { + var name = d3.ns.qualify(nameNS); + + function attrTween(d, i) { + var f = tween.call(this, d, i, this.getAttribute(name)); + return f === d3_transitionRemove + ? (this.removeAttribute(name), null) + : f && function(t) { this.setAttribute(name, f(t)); }; + } + + function attrTweenNS(d, i) { + var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local)); + return f === d3_transitionRemove + ? (this.removeAttributeNS(name.space, name.local), null) + : f && function(t) { this.setAttributeNS(name.space, name.local, f(t)); }; + } + + return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween); +}; +d3_transitionPrototype.style = function(name, value, priority) { + if (arguments.length < 3) priority = ""; + return this.styleTween(name, d3_transitionTween(value), priority); +}; + +d3_transitionPrototype.styleTween = function(name, tween, priority) { + if (arguments.length < 3) priority = ""; + return this.tween("style." + name, function(d, i) { + var f = tween.call(this, d, i, window.getComputedStyle(this, null).getPropertyValue(name)); + return f === d3_transitionRemove + ? (this.style.removeProperty(name), null) + : f && function(t) { this.style.setProperty(name, f(t), priority); }; + }); +}; +d3_transitionPrototype.text = function(value) { + return this.tween("text", function(d, i) { + this.textContent = typeof value === "function" + ? value.call(this, d, i) + : value; + }); +}; +d3_transitionPrototype.remove = function() { + return this.each("end", function() { + var p; + if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this); + }); +}; +d3_transitionPrototype.delay = function(value) { + var groups = this; + return groups.each(typeof value === "function" + ? function(d, i, j) { groups[j][i].delay = +value.apply(this, arguments); } + : (value = +value, function(d, i, j) { groups[j][i].delay = value; })); +}; +d3_transitionPrototype.duration = function(value) { + var groups = this; + return groups.each(typeof value === "function" + ? function(d, i, j) { groups[j][i].duration = +value.apply(this, arguments); } + : (value = +value, function(d, i, j) { groups[j][i].duration = value; })); +}; +function d3_transition_each(callback) { + for (var j = 0, m = this.length; j < m; j++) { + for (var group = this[j], i = 0, n = group.length; i < n; i++) { + var node = group[i]; + if (node) callback.call(node = node.node, node.__data__, i, j); + } + } + return this; +} +d3_transitionPrototype.transition = function() { + return this.select(d3_this); +}; +var d3_timer_queue = null, + d3_timer_interval, // is an interval (or frame) active? + d3_timer_timeout; // is a timeout active? + +// The timer will continue to fire until callback returns true. +d3.timer = function(callback, delay, then) { + var found = false, + t0, + t1 = d3_timer_queue; + + if (arguments.length < 3) { + if (arguments.length < 2) delay = 0; + else if (!isFinite(delay)) return; + then = Date.now(); + } + + // See if the callback's already in the queue. + while (t1) { + if (t1.callback === callback) { + t1.then = then; + t1.delay = delay; + found = true; + break; + } + t0 = t1; + t1 = t1.next; + } + + // Otherwise, add the callback to the queue. + if (!found) d3_timer_queue = { + callback: callback, + then: then, + delay: delay, + next: d3_timer_queue + }; + + // Start animatin'! + if (!d3_timer_interval) { + d3_timer_timeout = clearTimeout(d3_timer_timeout); + d3_timer_interval = 1; + d3_timer_frame(d3_timer_step); + } +} + +function d3_timer_step() { + var elapsed, + now = Date.now(), + t1 = d3_timer_queue; + + while (t1) { + elapsed = now - t1.then; + if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed); + t1 = t1.next; + } + + var delay = d3_timer_flush() - now; + if (delay > 24) { + if (isFinite(delay)) { + clearTimeout(d3_timer_timeout); + d3_timer_timeout = setTimeout(d3_timer_step, delay); + } + d3_timer_interval = 0; + } else { + d3_timer_interval = 1; + d3_timer_frame(d3_timer_step); + } +} + +d3.timer.flush = function() { + var elapsed, + now = Date.now(), + t1 = d3_timer_queue; + + while (t1) { + elapsed = now - t1.then; + if (!t1.delay) t1.flush = t1.callback(elapsed); + t1 = t1.next; + } + + d3_timer_flush(); +}; + +// Flush after callbacks, to avoid concurrent queue modification. +function d3_timer_flush() { + var t0 = null, + t1 = d3_timer_queue, + then = Infinity; + while (t1) { + if (t1.flush) { + t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next; + } else { + then = Math.min(then, t1.then + t1.delay); + t1 = (t0 = t1).next; + } + } + return then; +} + +var d3_timer_frame = window.requestAnimationFrame + || window.webkitRequestAnimationFrame + || window.mozRequestAnimationFrame + || window.oRequestAnimationFrame + || window.msRequestAnimationFrame + || function(callback) { setTimeout(callback, 17); }; +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_scale_nice(domain, nice) { + var i0 = 0, + i1 = domain.length - 1, + x0 = domain[i0], + x1 = domain[i1], + dx; + + if (x1 < x0) { + dx = i0; i0 = i1; i1 = dx; + dx = x0; x0 = x1; x1 = dx; + } + + if (dx = x1 - x0) { + nice = nice(dx); + domain[i0] = nice.floor(x0); + domain[i1] = nice.ceil(x1); + } + + return domain; +} + +function d3_scale_niceDefault() { + return Math; +} +d3.scale.linear = function() { + return d3_scale_linear([0, 1], [0, 1], d3.interpolate, false); +}; + +function d3_scale_linear(domain, range, interpolate, clamp) { + var output, + input; + + function rescale() { + var linear = domain.length == 2 ? d3_scale_bilinear : d3_scale_polylinear, + uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber; + output = linear(domain, range, uninterpolate, interpolate); + input = linear(range, domain, uninterpolate, d3.interpolate); + return scale; + } + + function scale(x) { + return output(x); + } + + // Note: requires range is coercible to number! + scale.invert = function(y) { + return input(y); + }; + + scale.domain = function(x) { + if (!arguments.length) return domain; + domain = x.map(Number); + return rescale(); + }; + + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + return rescale(); + }; + + scale.rangeRound = function(x) { + return scale.range(x).interpolate(d3.interpolateRound); + }; + + scale.clamp = function(x) { + if (!arguments.length) return clamp; + clamp = x; + return rescale(); + }; + + scale.interpolate = function(x) { + if (!arguments.length) return interpolate; + interpolate = x; + return rescale(); + }; + + scale.ticks = function(m) { + return d3_scale_linearTicks(domain, m); + }; + + scale.tickFormat = function(m) { + return d3_scale_linearTickFormat(domain, m); + }; + + scale.nice = function() { + d3_scale_nice(domain, d3_scale_linearNice); + return rescale(); + }; + + scale.copy = function() { + return d3_scale_linear(domain, range, interpolate, clamp); + }; + + return rescale(); +}; + +function d3_scale_linearRebind(scale, linear) { + scale.range = d3.rebind(scale, linear.range); + scale.rangeRound = d3.rebind(scale, linear.rangeRound); + scale.interpolate = d3.rebind(scale, linear.interpolate); + scale.clamp = d3.rebind(scale, linear.clamp); + return scale; +} + +function d3_scale_linearNice(dx) { + dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1); + return { + floor: function(x) { return Math.floor(x / dx) * dx; }, + ceil: function(x) { return Math.ceil(x / dx) * dx; } + }; +} + +// TODO Dates? Ugh. +function d3_scale_linearTickRange(domain, m) { + var extent = d3_scaleExtent(domain), + span = extent[1] - extent[0], + step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), + err = m / span * step; + + // Filter ticks to get closer to the desired count. + if (err <= .15) step *= 10; + else if (err <= .35) step *= 5; + else if (err <= .75) step *= 2; + + // Round start and stop values to step interval. + extent[0] = Math.ceil(extent[0] / step) * step; + extent[1] = Math.floor(extent[1] / step) * step + step * .5; // inclusive + extent[2] = step; + return extent; +} + +function d3_scale_linearTicks(domain, m) { + return d3.range.apply(d3, d3_scale_linearTickRange(domain, m)); +} + +function d3_scale_linearTickFormat(domain, m) { + return d3.format(",." + Math.max(0, -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01)) + "f"); +} +function d3_scale_bilinear(domain, range, uninterpolate, interpolate) { + var u = uninterpolate(domain[0], domain[1]), + i = interpolate(range[0], range[1]); + return function(x) { + return i(u(x)); + }; +} +function d3_scale_polylinear(domain, range, uninterpolate, interpolate) { + var u = [], + i = [], + j = 0, + n = domain.length; + + while (++j < n) { + u.push(uninterpolate(domain[j - 1], domain[j])); + i.push(interpolate(range[j - 1], range[j])); + } + + return function(x) { + var j = d3.bisect(domain, x, 1, domain.length - 1) - 1; + return i[j](u[j](x)); + }; +} +d3.scale.log = function() { + return d3_scale_log(d3.scale.linear(), d3_scale_logp); +}; + +function d3_scale_log(linear, log) { + var pow = log.pow; + + function scale(x) { + return linear(log(x)); + } + + scale.invert = function(x) { + return pow(linear.invert(x)); + }; + + scale.domain = function(x) { + if (!arguments.length) return linear.domain().map(pow); + log = x[0] < 0 ? d3_scale_logn : d3_scale_logp; + pow = log.pow; + linear.domain(x.map(log)); + return scale; + }; + + scale.nice = function() { + linear.domain(d3_scale_nice(linear.domain(), d3_scale_niceDefault)); + return scale; + }; + + scale.ticks = function() { + var extent = d3_scaleExtent(linear.domain()), + ticks = []; + if (extent.every(isFinite)) { + var i = Math.floor(extent[0]), + j = Math.ceil(extent[1]), + u = Math.round(pow(extent[0])), + v = Math.round(pow(extent[1])); + if (log === d3_scale_logn) { + ticks.push(pow(i)); + for (; i++ < j;) for (var k = 9; k > 0; k--) ticks.push(pow(i) * k); + } else { + for (; i < j; i++) for (var k = 1; k < 10; k++) ticks.push(pow(i) * k); + ticks.push(pow(i)); + } + for (i = 0; ticks[i] < u; i++) {} // strip small values + for (j = ticks.length; ticks[j - 1] > v; j--) {} // strip big values + ticks = ticks.slice(i, j); + } + return ticks; + }; + + scale.tickFormat = function(n, format) { + if (arguments.length < 2) format = d3_scale_logFormat; + if (arguments.length < 1) return format; + var k = n / scale.ticks().length, + f = log === d3_scale_logn ? (e = -1e-15, Math.floor) : (e = 1e-15, 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("e"); + +function d3_scale_logp(x) { + return Math.log(x) / Math.LN10; +} + +function d3_scale_logn(x) { + return -Math.log(-x) / Math.LN10; +} + +d3_scale_logp.pow = function(x) { + return Math.pow(10, x); +}; + +d3_scale_logn.pow = function(x) { + return -Math.pow(10, -x); +}; +d3.scale.pow = function() { + return d3_scale_pow(d3.scale.linear(), 1); +}; + +function d3_scale_pow(linear, exponent) { + var powp = d3_scale_powPow(exponent), + powb = d3_scale_powPow(1 / exponent); + + function scale(x) { + return linear(powp(x)); + } + + scale.invert = function(x) { + return powb(linear.invert(x)); + }; + + scale.domain = function(x) { + if (!arguments.length) return linear.domain().map(powb); + linear.domain(x.map(powp)); + return scale; + }; + + scale.ticks = function(m) { + return d3_scale_linearTicks(scale.domain(), m); + }; + + scale.tickFormat = function(m) { + return d3_scale_linearTickFormat(scale.domain(), m); + }; + + scale.nice = function() { + return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice)); + }; + + scale.exponent = function(x) { + if (!arguments.length) return exponent; + var domain = scale.domain(); + powp = d3_scale_powPow(exponent = x); + powb = d3_scale_powPow(1 / exponent); + return scale.domain(domain); + }; + + scale.copy = function() { + return d3_scale_pow(linear.copy(), exponent); + }; + + return d3_scale_linearRebind(scale, linear); +}; + +function d3_scale_powPow(e) { + return function(x) { + return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e); + }; +} +d3.scale.sqrt = function() { + return d3.scale.pow().exponent(.5); +}; +d3.scale.ordinal = function() { + return d3_scale_ordinal([], {t: "range", x: []}); +}; + +function d3_scale_ordinal(domain, ranger) { + var index, + range, + rangeBand; + + function scale(x) { + return range[((index[x] || (index[x] = domain.push(x))) - 1) % range.length]; + } + + scale.domain = function(x) { + if (!arguments.length) return domain; + domain = []; + index = {}; + var i = -1, n = x.length, xi; + while (++i < n) if (!index[xi = x[i]]) index[xi] = domain.push(xi); + return scale[ranger.t](ranger.x, ranger.p); + }; + + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + rangeBand = 0; + ranger = {t: "range", x: x}; + return scale; + }; + + scale.rangePoints = function(x, padding) { + if (arguments.length < 2) padding = 0; + var start = x[0], + stop = x[1], + step = (stop - start) / (domain.length - 1 + padding); + range = domain.length < 2 ? [(start + stop) / 2] : d3.range(start + step * padding / 2, stop + step / 2, step); + rangeBand = 0; + ranger = {t: "rangePoints", x: x, p: padding}; + return scale; + }; + + scale.rangeBands = function(x, padding) { + if (arguments.length < 2) padding = 0; + var start = x[0], + stop = x[1], + step = (stop - start) / (domain.length + padding); + range = d3.range(start + step * padding, stop, step); + rangeBand = step * (1 - padding); + ranger = {t: "rangeBands", x: x, p: padding}; + return scale; + }; + + scale.rangeRoundBands = function(x, padding) { + if (arguments.length < 2) padding = 0; + var start = x[0], + stop = x[1], + step = Math.floor((stop - start) / (domain.length + padding)), + err = stop - start - (domain.length - padding) * step; + range = d3.range(start + Math.round(err / 2), stop, step); + rangeBand = Math.round(step * (1 - padding)); + ranger = {t: "rangeRoundBands", x: x, p: padding}; + return scale; + }; + + scale.rangeBand = function() { + return rangeBand; + }; + + scale.copy = function() { + return d3_scale_ordinal(domain, ranger); + }; + + return scale.domain(domain); +}; +/* + * This product includes color specifications and designs developed by Cynthia + * Brewer (http://colorbrewer.org/). See lib/colorbrewer for more information. + */ + +d3.scale.category10 = function() { + return d3.scale.ordinal().range(d3_category10); +}; + +d3.scale.category20 = function() { + return d3.scale.ordinal().range(d3_category20); +}; + +d3.scale.category20b = function() { + return d3.scale.ordinal().range(d3_category20b); +}; + +d3.scale.category20c = function() { + return d3.scale.ordinal().range(d3_category20c); +}; + +var d3_category10 = [ + "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd", + "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf" +]; + +var d3_category20 = [ + "#1f77b4", "#aec7e8", + "#ff7f0e", "#ffbb78", + "#2ca02c", "#98df8a", + "#d62728", "#ff9896", + "#9467bd", "#c5b0d5", + "#8c564b", "#c49c94", + "#e377c2", "#f7b6d2", + "#7f7f7f", "#c7c7c7", + "#bcbd22", "#dbdb8d", + "#17becf", "#9edae5" +]; + +var d3_category20b = [ + "#393b79", "#5254a3", "#6b6ecf", "#9c9ede", + "#637939", "#8ca252", "#b5cf6b", "#cedb9c", + "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94", + "#843c39", "#ad494a", "#d6616b", "#e7969c", + "#7b4173", "#a55194", "#ce6dbd", "#de9ed6" +]; + +var d3_category20c = [ + "#3182bd", "#6baed6", "#9ecae1", "#c6dbef", + "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2", + "#31a354", "#74c476", "#a1d99b", "#c7e9c0", + "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb", + "#636363", "#969696", "#bdbdbd", "#d9d9d9" +]; +d3.scale.quantile = function() { + return d3_scale_quantile([], []); +}; + +function d3_scale_quantile(domain, range) { + var thresholds; + + function rescale() { + var k = 0, + n = domain.length, + q = range.length; + thresholds = []; + while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q); + return scale; + } + + function scale(x) { + if (isNaN(x = +x)) return NaN; + return range[d3.bisect(thresholds, x)]; + } + + scale.domain = function(x) { + if (!arguments.length) return domain; + domain = x.filter(function(d) { return !isNaN(d); }).sort(d3.ascending); + return rescale(); + }; + + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + return rescale(); + }; + + scale.quantiles = function() { + return thresholds; + }; + + scale.copy = function() { + return d3_scale_quantile(domain, range); // copy on write! + }; + + return rescale(); +}; +d3.scale.quantize = function() { + return d3_scale_quantize(0, 1, [0, 1]); +}; + +function d3_scale_quantize(x0, x1, range) { + var kx, i; + + function scale(x) { + return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))]; + } + + function rescale() { + kx = range.length / (x1 - x0); + i = range.length - 1; + return scale; + } + + scale.domain = function(x) { + if (!arguments.length) return [x0, x1]; + x0 = +x[0]; + x1 = +x[x.length - 1]; + return rescale(); + }; + + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + return rescale(); + }; + + scale.copy = function() { + return d3_scale_quantize(x0, x1, range); // copy on write + }; + + return rescale(); +}; +d3.svg = {}; +d3.svg.arc = function() { + var innerRadius = d3_svg_arcInnerRadius, + outerRadius = d3_svg_arcOuterRadius, + startAngle = d3_svg_arcStartAngle, + endAngle = d3_svg_arcEndAngle; + + function arc() { + var r0 = innerRadius.apply(this, arguments), + r1 = outerRadius.apply(this, arguments), + a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset, + a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset, + da = (a1 < a0 && (da = a0, a0 = a1, a1 = da), a1 - a0), + df = da < Math.PI ? "0" : "1", + c0 = Math.cos(a0), + s0 = Math.sin(a0), + c1 = Math.cos(a1), + s1 = Math.sin(a1); + return da >= d3_svg_arcMax + ? (r0 + ? "M0," + r1 + + "A" + r1 + "," + r1 + " 0 1,1 0," + (-r1) + + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + + "M0," + r0 + + "A" + r0 + "," + r0 + " 0 1,0 0," + (-r0) + + "A" + r0 + "," + r0 + " 0 1,0 0," + r0 + + "Z" + : "M0," + r1 + + "A" + r1 + "," + r1 + " 0 1,1 0," + (-r1) + + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + + "Z") + : (r0 + ? "M" + r1 * c0 + "," + r1 * s0 + + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + + "L" + r0 * c1 + "," + r0 * s1 + + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0 + + "Z" + : "M" + r1 * c0 + "," + r1 * s0 + + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + + "L0,0" + + "Z"); + } + + arc.innerRadius = function(v) { + if (!arguments.length) return innerRadius; + innerRadius = d3.functor(v); + return arc; + }; + + arc.outerRadius = function(v) { + if (!arguments.length) return outerRadius; + outerRadius = d3.functor(v); + return arc; + }; + + arc.startAngle = function(v) { + if (!arguments.length) return startAngle; + startAngle = d3.functor(v); + return arc; + }; + + arc.endAngle = function(v) { + if (!arguments.length) return endAngle; + endAngle = d3.functor(v); + return arc; + }; + + arc.centroid = function() { + var r = (innerRadius.apply(this, arguments) + + outerRadius.apply(this, arguments)) / 2, + a = (startAngle.apply(this, arguments) + + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset; + return [Math.cos(a) * r, Math.sin(a) * r]; + }; + + return arc; +}; + +var d3_svg_arcOffset = -Math.PI / 2, + d3_svg_arcMax = 2 * Math.PI - 1e-6; + +function d3_svg_arcInnerRadius(d) { + return d.innerRadius; +} + +function d3_svg_arcOuterRadius(d) { + return d.outerRadius; +} + +function d3_svg_arcStartAngle(d) { + return d.startAngle; +} + +function d3_svg_arcEndAngle(d) { + return d.endAngle; +} +function d3_svg_line(projection) { + var x = d3_svg_lineX, + y = d3_svg_lineY, + interpolate = "linear", + interpolator = d3_svg_lineInterpolators[interpolate], + tension = .7; + + function line(d) { + return d.length < 1 ? null : "M" + interpolator(projection(d3_svg_linePoints(this, d, x, y)), tension); + } + + line.x = function(v) { + if (!arguments.length) return x; + x = v; + return line; + }; + + line.y = function(v) { + if (!arguments.length) return y; + y = v; + return line; + }; + + line.interpolate = function(v) { + if (!arguments.length) return interpolate; + interpolator = d3_svg_lineInterpolators[interpolate = v]; + return line; + }; + + line.tension = function(v) { + if (!arguments.length) return tension; + tension = v; + return line; + }; + + return line; +} + +d3.svg.line = function() { + return d3_svg_line(Object); +}; + +// Converts the specified array of data into an array of points +// (x-y tuples), by evaluating the specified `x` and `y` functions on each +// data point. The `this` context of the evaluated functions is the specified +// "self" object; each function is passed the current datum and index. +function d3_svg_linePoints(self, d, x, y) { + var points = [], + i = -1, + n = d.length, + fx = typeof x === "function", + fy = typeof y === "function", + value; + if (fx && fy) { + while (++i < n) points.push([ + x.call(self, value = d[i], i), + y.call(self, value, i) + ]); + } else if (fx) { + while (++i < n) points.push([x.call(self, d[i], i), y]); + } else if (fy) { + while (++i < n) points.push([x, y.call(self, d[i], i)]); + } else { + while (++i < n) points.push([x, y]); + } + return points; +} + +// The default `x` property, which references d[0]. +function d3_svg_lineX(d) { + return d[0]; +} + +// The default `y` property, which references d[1]. +function d3_svg_lineY(d) { + return d[1]; +} + +// The various interpolators supported by the `line` class. +var d3_svg_lineInterpolators = { + "linear": d3_svg_lineLinear, + "step-before": d3_svg_lineStepBefore, + "step-after": d3_svg_lineStepAfter, + "basis": d3_svg_lineBasis, + "basis-open": d3_svg_lineBasisOpen, + "basis-closed": d3_svg_lineBasisClosed, + "bundle": d3_svg_lineBundle, + "cardinal": d3_svg_lineCardinal, + "cardinal-open": d3_svg_lineCardinalOpen, + "cardinal-closed": d3_svg_lineCardinalClosed, + "monotone": d3_svg_lineMonotone +}; + +// Linear interpolation; generates "L" commands. +function d3_svg_lineLinear(points) { + var i = 0, + n = points.length, + p = points[0], + path = [p[0], ",", p[1]]; + while (++i < n) path.push("L", (p = points[i])[0], ",", p[1]); + return path.join(""); +} + +// Step interpolation; generates "H" and "V" commands. +function d3_svg_lineStepBefore(points) { + var i = 0, + n = points.length, + p = points[0], + path = [p[0], ",", p[1]]; + while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]); + return path.join(""); +} + +// Step interpolation; generates "H" and "V" commands. +function d3_svg_lineStepAfter(points) { + var i = 0, + n = points.length, + p = points[0], + path = [p[0], ",", p[1]]; + while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]); + return path.join(""); +} + +// Open cardinal spline interpolation; generates "C" commands. +function d3_svg_lineCardinalOpen(points, tension) { + return points.length < 4 + ? d3_svg_lineLinear(points) + : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1), + d3_svg_lineCardinalTangents(points, tension)); +} + +// Closed cardinal spline interpolation; generates "C" commands. +function d3_svg_lineCardinalClosed(points, tension) { + return points.length < 3 + ? d3_svg_lineLinear(points) + : points[0] + d3_svg_lineHermite((points.push(points[0]), points), + d3_svg_lineCardinalTangents([points[points.length - 2]] + .concat(points, [points[1]]), tension)); +} + +// Cardinal spline interpolation; generates "C" commands. +function d3_svg_lineCardinal(points, tension, closed) { + return points.length < 3 + ? d3_svg_lineLinear(points) + : points[0] + d3_svg_lineHermite(points, + d3_svg_lineCardinalTangents(points, tension)); +} + +// Hermite spline construction; generates "C" commands. +function d3_svg_lineHermite(points, tangents) { + if (tangents.length < 1 + || (points.length != tangents.length + && points.length != tangents.length + 2)) { + return d3_svg_lineLinear(points); + } + + var quad = points.length != tangents.length, + path = "", + p0 = points[0], + p = points[1], + t0 = tangents[0], + t = t0, + pi = 1; + + if (quad) { + path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + + "," + p[0] + "," + p[1]; + p0 = points[1]; + pi = 2; + } + + if (tangents.length > 1) { + t = tangents[1]; + p = points[pi]; + pi++; + path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + + "," + p[0] + "," + p[1]; + for (var i = 2; i < tangents.length; i++, pi++) { + p = points[pi]; + t = tangents[i]; + path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + + "," + p[0] + "," + p[1]; + } + } + + if (quad) { + var lp = points[pi]; + path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + + "," + lp[0] + "," + lp[1]; + } + + return path; +} + +// Generates tangents for a cardinal spline. +function d3_svg_lineCardinalTangents(points, tension) { + var tangents = [], + a = (1 - tension) / 2, + p0, + p1 = points[0], + p2 = points[1], + i = 1, + n = points.length; + while (++i < n) { + p0 = p1; + p1 = p2; + p2 = points[i]; + tangents.push([a * (p2[0] - p0[0]), a * (p2[1] - p0[1])]); + } + return tangents; +} + +// B-spline interpolation; generates "C" commands. +function d3_svg_lineBasis(points) { + if (points.length < 3) return d3_svg_lineLinear(points); + var i = 1, + n = points.length, + pi = points[0], + x0 = pi[0], + y0 = pi[1], + px = [x0, x0, x0, (pi = points[1])[0]], + py = [y0, y0, y0, pi[1]], + path = [x0, ",", y0]; + d3_svg_lineBasisBezier(path, px, py); + while (++i < n) { + pi = points[i]; + px.shift(); px.push(pi[0]); + py.shift(); py.push(pi[1]); + d3_svg_lineBasisBezier(path, px, py); + } + i = -1; + while (++i < 2) { + px.shift(); px.push(pi[0]); + py.shift(); py.push(pi[1]); + d3_svg_lineBasisBezier(path, px, py); + } + return path.join(""); +} + +// Open B-spline interpolation; generates "C" commands. +function d3_svg_lineBasisOpen(points) { + if (points.length < 4) return d3_svg_lineLinear(points); + var path = [], + i = -1, + n = points.length, + pi, + px = [0], + py = [0]; + while (++i < 3) { + pi = points[i]; + px.push(pi[0]); + py.push(pi[1]); + } + path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)); + --i; while (++i < n) { + pi = points[i]; + px.shift(); px.push(pi[0]); + py.shift(); py.push(pi[1]); + d3_svg_lineBasisBezier(path, px, py); + } + return path.join(""); +} + +// Closed B-spline interpolation; generates "C" commands. +function d3_svg_lineBasisClosed(points) { + var path, + i = -1, + n = points.length, + m = n + 4, + pi, + px = [], + py = []; + while (++i < 4) { + pi = points[i % n]; + px.push(pi[0]); + py.push(pi[1]); + } + path = [ + d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) + ]; + --i; while (++i < m) { + pi = points[i % n]; + px.shift(); px.push(pi[0]); + py.shift(); py.push(pi[1]); + d3_svg_lineBasisBezier(path, px, py); + } + return path.join(""); +} + +function d3_svg_lineBundle(points, tension) { + var n = points.length - 1, + x0 = points[0][0], + y0 = points[0][1], + dx = points[n][0] - x0, + dy = points[n][1] - y0, + i = -1, + p, + t; + while (++i <= n) { + p = points[i]; + t = i / n; + p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx); + p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy); + } + return d3_svg_lineBasis(points); +} + +// Returns the dot product of the given four-element vectors. +function d3_svg_lineDot4(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; +} + +// Matrix to transform basis (b-spline) control points to bezier +// control points. Derived from FvD 11.2.8. +var d3_svg_lineBasisBezier1 = [0, 2/3, 1/3, 0], + d3_svg_lineBasisBezier2 = [0, 1/3, 2/3, 0], + d3_svg_lineBasisBezier3 = [0, 1/6, 2/3, 1/6]; + +// Pushes a "C" Bézier curve onto the specified path array, given the +// two specified four-element arrays which define the control points. +function d3_svg_lineBasisBezier(path, x, y) { + path.push( + "C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), + ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), + ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), + ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), + ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), + ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y)); +} + +// Computes the slope from points p0 to p1. +function d3_svg_lineSlope(p0, p1) { + return (p1[1] - p0[1]) / (p1[0] - p0[0]); +} + +// Compute three-point differences for the given points. +// http://en.wikipedia.org/wiki/Cubic_Hermite_spline#Finite_difference +function d3_svg_lineFiniteDifferences(points) { + var i = 0, + j = points.length - 1, + m = [], + p0 = points[0], + p1 = points[1], + d = m[0] = d3_svg_lineSlope(p0, p1); + while (++i < j) { + m[i] = d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1])); + } + m[i] = d; + return m; +} + +// Interpolates the given points using Fritsch-Carlson Monotone cubic Hermite +// interpolation. Returns an array of tangent vectors. For details, see +// http://en.wikipedia.org/wiki/Monotone_cubic_interpolation +function d3_svg_lineMonotoneTangents(points) { + var tangents = [], + d, + a, + b, + s, + m = d3_svg_lineFiniteDifferences(points), + i = -1, + j = points.length - 1; + + // The first two steps are done by computing finite-differences: + // 1. Compute the slopes of the secant lines between successive points. + // 2. Initialize the tangents at every point as the average of the secants. + + // Then, for each segment… + while (++i < j) { + d = d3_svg_lineSlope(points[i], points[i + 1]); + + // 3. If two successive yk = y{k + 1} are equal (i.e., d is zero), then set + // mk = m{k + 1} = 0 as the spline connecting these points must be flat to + // preserve monotonicity. Ignore step 4 and 5 for those k. + + if (Math.abs(d) < 1e-6) { + m[i] = m[i + 1] = 0; + } else { + // 4. Let ak = mk / dk and bk = m{k + 1} / dk. + a = m[i] / d; + b = m[i + 1] / d; + + // 5. Prevent overshoot and ensure monotonicity by restricting the + // magnitude of vector to a circle of radius 3. + s = a * a + b * b; + if (s > 9) { + s = d * 3 / Math.sqrt(s); + m[i] = s * a; + m[i + 1] = s * b; + } + } + } + + // Compute the normalized tangent vector from the slopes. Note that if x is + // not monotonic, it's possible that the slope will be infinite, so we protect [... 945 lines stripped ...]