diff options
Diffstat (limited to 'visualize')
| -rw-r--r-- | visualize/static/.gitignore | 3 | ||||
| -rw-r--r-- | visualize/static/Makefile | 41 | ||||
| -rw-r--r-- | visualize/static/d3.v2.js | 9342 | ||||
| -rw-r--r-- | visualize/static/d3.v2.min.js | 4 | ||||
| -rw-r--r-- | visualize/static/visualize.js | 20 |
5 files changed, 64 insertions, 9346 deletions
diff --git a/visualize/static/.gitignore b/visualize/static/.gitignore new file mode 100644 index 00000000..ecb2b9c4 --- /dev/null +++ b/visualize/static/.gitignore @@ -0,0 +1,3 @@ +.d3 +d3.v2.js +d3.v2.min.js diff --git a/visualize/static/Makefile b/visualize/static/Makefile new file mode 100644 index 00000000..4fa99a20 --- /dev/null +++ b/visualize/static/Makefile @@ -0,0 +1,41 @@ +d3version=2.8.1 + +targets=d3.v2.js d3.v2.min.js +gitignore=.d3 + +# Force creating the d3 directory before we even evaluate how to make d3.js +all: .d3/d3-$(d3version) .gitignore + $(MAKE) $(targets) + +distclean-hook: PHONY + rm -rf .d3 + +#### + +d3.%: .d3/d3-$(d3version)/d3.% .d3/d3-$(d3version)/LICENSE Makefile + @echo '[D3-HEADER] > $@' + @echo '/* $@ - Data Driven Documents' > $@ + @echo ' * Version: $(d3version)' >> $@ + @echo ' * Homepage: http://mbostock.github.com/d3/' >> $@ + @echo ' * Copyright: 2010, Michael Bostock' >> $@ + @echo ' * Licence: 3-Clause BSD' >> $@ + @echo ' *' >> $@ + @sed 's/.*/ * &/' $(<D)/LICENSE >> $@ + @echo ' */' >> $@ + cat $< >> $@ + +.d3/d3-%.tar.gz: Makefile + mkdir -p $(@D) + wget https://github.com/mbostock/d3/tarball/v$* -O $@ +.d3/d3-%.tar.gz.d: .d3/d3-%.tar.gz Makefile + rm -rf $@ + mkdir -p $<.d + cd $@ && tar xzf ../d3-$*.tar.gz +.d3/d3-%: .d3/d3-%.tar.gz.d Makefile + rm -rf $@ + cp -r $</*/ $@ + rm $@/*.min.js + +#### + +include ../../sitestatic/js.mk diff --git a/visualize/static/d3.v2.js b/visualize/static/d3.v2.js deleted file mode 100644 index c1b6caf2..00000000 --- a/visualize/static/d3.v2.js +++ /dev/null @@ -1,9342 +0,0 @@ -(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: "2.8.1"}; // semver -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; // 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]; -}; -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", // prevent collision with built-ins - d3_map_prefixCode = d3_map_prefix.charCodeAt(0); -function d3_this() { - return this; -} -d3.functor = function(v) { - return typeof v === "function" ? v : function() { return v; }; -}; -// Copies a variable number of methods from source to target. -d3.rebind = function(target, source) { - var i = 1, n = arguments.length, method; - while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]); - return target; -}; - -// Method is assumed to be a standard D3 getter-setter: -// If passed with no arguments, gets the value. -// If passed with arguments, sets the value and returns the target. -function d3_rebind(target, source, method) { - return function() { - var value = method.apply(source, arguments); - return arguments.length ? target : value; - }; -} -d3.ascending = function(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; -}; -d3.descending = function(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -}; -d3.mean = function(array, f) { - var n = array.length, - a, - m = 0, - i = -1, - j = 0; - if (arguments.length === 1) { - while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j; - } else { - while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j; - } - return j ? m : undefined; -}; -d3.median = function(array, f) { - if (arguments.length > 1) array = array.map(f); - array = array.filter(d3_number); - return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined; -}; -d3.min = function(array, f) { - var i = -1, - n = array.length, - a, - b; - if (arguments.length === 1) { - while (++i < n && ((a = array[i]) == null || a != a)) a = undefined; - while (++i < n) if ((b = array[i]) != null && a > b) a = b; - } else { - while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined; - while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b; - } - return a; -}; -d3.max = function(array, f) { - var i = -1, - n = array.length, - a, - b; - if (arguments.length === 1) { - while (++i < n && ((a = array[i]) == null || a != a)) a = undefined; - while (++i < n) if ((b = array[i]) != null && b > a) a = b; - } else { - while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined; - while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b; - } - return a; -}; -d3.extent = function(array, f) { - var i = -1, - n = array.length, - a, - b, - c; - if (arguments.length === 1) { - while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined; - while (++i < n) if ((b = array[i]) != null) { - if (a > b) a = b; - if (c < b) c = b; - } - } else { - while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined; - while (++i < n) if ((b = f.call(array, array[i], i)) != null) { - if (a > b) a = b; - if (c < b) c = b; - } - } - return [a, c]; -}; -d3.random = { - normal: function(mean, deviation) { - if (arguments.length < 2) deviation = 1; - if (arguments.length < 1) mean = 0; - return function() { - var x, y, r; - do { - x = Math.random() * 2 - 1; - y = Math.random() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); - return mean + deviation * x * Math.sqrt(-2 * Math.log(r) / r); - }; - } -}; -function d3_number(x) { - return x != null && !isNaN(x); -} -d3.sum = function(array, f) { - var s = 0, - n = array.length, - a, - i = -1; - - if (arguments.length === 1) { - while (++i < n) if (!isNaN(a = +array[i])) s += a; - } else { - while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a; - } - - return s; -}; -// R-7 per <http://en.wikipedia.org/wiki/Quantile> -d3.quantile = function(values, p) { - var H = (values.length - 1) * p + 1, - h = Math.floor(H), - v = values[h - 1], - e = H - h; - return e ? v + e * (values[h] - v) : v; -}; -d3.transpose = function(matrix) { - return d3.zip.apply(d3, matrix); -}; -d3.zip = function() { - if (!(n = arguments.length)) return []; - for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m;) { - for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n;) { - zip[j] = arguments[j][i]; - } - } - return zips; -}; - -function d3_zipLength(d) { - return d.length; -} -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.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, - 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) { - o[keyValue] = map(valuesByKey.get(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, " "); -} -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, mime, callback) { - var req = new XMLHttpRequest; - if (arguments.length < 3) callback = mime, mime = null; - else if (mime && req.overrideMimeType) req.overrideMimeType(mime); - req.open("GET", url, true); - if (mime) req.setRequestHeader("Accept", mime); - req.onreadystatechange = function() { - if (req.readyState === 4) callback(req.status < 300 ? req : null); - }; - req.send(null); -}; -d3.text = function(url, mime, callback) { - function ready(req) { - callback(req && req.responseText); - } - if (arguments.length < 3) { - callback = mime; - mime = null; - } - d3.xhr(url, mime, ready); -}; -d3.json = function(url, callback) { - d3.text(url, "application/json", function(text) { - callback(text ? JSON.parse(text) : null); - }); -}; -d3.html = function(url, callback) { - d3.text(url, "text/html", function(text) { - if (text != null) { // Treat empty string as valid HTML. - var range = document.createRange(); - range.selectNode(document.body); - text = range.createContextualFragment(text); - } - callback(text); - }); -}; -d3.xml = function(url, mime, callback) { - function ready(req) { - callback(req && req.responseXML); - } - if (arguments.length < 3) { - callback = mime; - mime = null; - } - d3.xhr(url, mime, ready); -}; -var d3_nsPrefix = { - svg: "http://www.w3.org/2000/svg", - xhtml: "http://www.w3.org/1999/xhtml", - xlink: "http://www.w3.org/1999/xlink", - xml: "http://www.w3.org/XML/1998/namespace", - xmlns: "http://www.w3.org/2000/xmlns/" -}; - -d3.ns = { - prefix: d3_nsPrefix, - qualify: function(name) { - var i = name.indexOf(":"), - 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 = ""; - - // Extract optional namespace, e.g., "click.foo" - if (i > 0) { - name = type.substring(i + 1); - type = type.substring(0, i); - } - - return arguments.length < 2 - ? this[type].on(name) - : this[type].on(name, listener); -}; - -function d3_dispatch_event(dispatch) { - var listeners = [], - listenerByName = new d3_Map; - - function event() { - var z = listeners, // defensive reference - 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; - - // return the current listener, if any - if (arguments.length < 2) return l && l.on; - - // remove the old listener, if any (with copy-on-write) - if (l) { - l.on = null; - listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1)); - listenerByName.remove(name); - } - - // add the new listener, if any - if (listener) listeners.push(listenerByName.set(name, {on: listener})); - - return dispatch; - }; - - return event; -} -// 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.get(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 = d3.map({ - 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), - d3_ease_default = function() { return d3_ease_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_ease_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_ease_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_identity(t) { - return t; -} - -function d3_ease_poly(e) { - return function(t) { - return Math.pow(t, e); - }; -} - -function d3_ease_sin(t) { - return 1 - Math.cos(t * Math.PI / 2); -} - -function d3_ease_exp(t) { - return Math.pow(2, 10 * (t - 1)); -} - -function d3_ease_circle(t) { - return 1 - Math.sqrt(1 - t * t); -} - -function d3_ease_elastic(a, p) { - var s; - if (arguments.length < 2) p = 0.45; - if (arguments.length < 1) { a = 1; s = p / 4; } - else s = p / (2 * Math.PI) * Math.asin(1 / a); - return function(t) { - return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * Math.PI / p); - }; -} - -function d3_ease_back(s) { - if (!s) s = 1.70158; - return function(t) { - return t * t * ((s + 1) * t - s); - }; -} - -function d3_ease_bounce(t) { - return t < 1 / 2.75 ? 7.5625 * t * t - : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 - : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 - : 7.5625 * (t -= 2.625 / 2.75) * t + .984375; -} -d3.event = null; - -function d3_eventCancel() { - d3.event.stopPropagation(); - d3.event.preventDefault(); -} - -function d3_eventSource() { - var e = d3.event, s; - while (s = e.sourceEvent) e = s; - return e; -} - -// Like d3.dispatch, but for custom events abstracting native UI events. These -// events have a target component (such as a brush), a target element (such as -// the svg:g element containing the brush) and the standard arguments `d` (the -// target element's data) and `i` (the selection index of the target element). -function d3_eventDispatch(target) { - var dispatch = new d3_dispatch, - i = 0, - n = arguments.length; - - while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); - - // Creates a dispatch context for the specified `thiz` (typically, the target - // DOM element that received the source event) and `argumentz` (typically, the - // data `d` and index `i` of the target element). The returned function can be - // used to dispatch an event to any registered listeners; the function takes a - // single argument as input, being the event to dispatch. The event must have - // a "type" attribute which corresponds to a type registered in the - // constructor. This context will automatically populate the "sourceEvent" and - // "target" attributes of the event, as well as setting the `d3.event` global - // for the duration of the notification. - 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.interpolate = function(a, b) { - var i = d3.interpolators.length, f; - while (--i >= 0 && !(f = d3.interpolators[i](a, b))); - return f; -}; - -d3.interpolateNumber = function(a, b) { - b -= a; - return function(t) { return a + b * t; }; -}; - -d3.interpolateRound = function(a, b) { - b -= a; - return function(t) { return Math.round(a + b * t); }; -}; - -d3.interpolateString = function(a, b) { - var m, // current match - i, // current index - j, // current index (for coallescing) - s0 = 0, // start index of current string prefix - s1 = 0, // end index of current string prefix - s = [], // string constants and placeholders - q = [], // number interpolators - n, // q.length - o; - - // Reset our regular expression! - d3_interpolate_number.lastIndex = 0; - - // Find all numbers in b. - for (i = 0; m = d3_interpolate_number.exec(b); ++i) { - if (m.index) s.push(b.substring(s0, s1 = m.index)); - q.push({i: s.length, x: m[0]}); - s.push(null); - s0 = d3_interpolate_number.lastIndex; - } - if (s0 < b.length) s.push(b.substring(s0)); - - // Find all numbers in a. - for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) { - o = q[i]; - if (o.x == m[0]) { // The numbers match, so coallesce. - if (o.i) { - if (s[o.i + 1] == null) { // This match is followed by another number. - s[o.i - 1] += o.x; - s.splice(o.i, 1); - for (j = i + 1; j < n; ++j) q[j].i--; - } else { // This match is followed by a string, so coallesce twice. - s[o.i - 1] += o.x + s[o.i + 1]; - s.splice(o.i, 2); - for (j = i + 1; j < n; ++j) q[j].i -= 2; - } - } else { - if (s[o.i + 1] == null) { // This match is followed by another number. - s[o.i] = o.x; - } else { // This match is followed by a string, so coallesce twice. - s[o.i] = o.x + s[o.i + 1]; - s.splice(o.i + 1, 1); - for (j = i + 1; j < n; ++j) q[j].i--; - } - } - q.splice(i, 1); - n--; - i--; - } else { - o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x)); - } - } - - // Remove any numbers in b not found in a. - while (i < n) { - o = q.pop(); - if (s[o.i + 1] == null) { // This match is followed by another number. - s[o.i] = o.x; - } else { // This match is followed by a string, so coallesce twice. - s[o.i] = o.x + s[o.i + 1]; - s.splice(o.i + 1, 1); - } - n--; - } - - // Special optimization for only a single match. - if (s.length === 1) { - return s[0] == null ? q[0].x : function() { return b; }; - } - - // Otherwise, interpolate each of the numbers and rejoin the string. - return function(t) { - for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }; -}; - -d3.interpolateTransform = function(a, b) { - var s = [], // string constants and placeholders - q = [], // number interpolators - 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) { - 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)); - }; -}; - -// interpolates HSL space, but outputs RGB string (for compatibility) -d3.interpolateHsl = function(a, b) { - a = d3.hsl(a); - b = d3.hsl(b); - var h0 = a.h, - s0 = a.s, - l0 = a.l, - h1 = b.h - h0, - s1 = b.s - s0, - l1 = b.l - l0; - return function(t) { - return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t).toString(); - }; -}; - -d3.interpolateArray = function(a, b) { - var x = [], - c = [], - na = a.length, - nb = b.length, - n0 = Math.min(a.length, b.length), - i; - for (i = 0; i < n0; ++i) x.push(d3.interpolate(a[i], b[i])); - for (; i < na; ++i) c[i] = a[i]; - for (; i < nb; ++i) c[i] = b[i]; - return function(t) { - for (i = 0; i < n0; ++i) c[i] = x[i](t); - return c; - }; -}; - -d3.interpolateObject = function(a, b) { - var i = {}, - c = {}, - k; - for (k in a) { - if (k in b) { - i[k] = d3_interpolateByName(k)(a[k], b[k]); - } else { - c[k] = a[k]; - } - } - for (k in b) { - if (!(k in a)) { - c[k] = b[k]; - } - } - return function(t) { - for (k in i) c[k] = i[k](t); - return c; - }; -} - -var d3_interpolate_number = /[-+]?(?:\d*\.?\d+)(?:[eE][-+]?\d+)?/g; - -function d3_interpolateByName(n) { - return n == "transform" - ? d3.interpolateTransform - : d3.interpolate; -} - -d3.interpolators = [ - d3.interpolateObject, - function(a, b) { return (b instanceof Array) && d3.interpolateArray(a, b); }, - function(a, b) { return (typeof a === "string" || typeof b === "string") && d3.interpolateString(a + "", b + ""); }, - function(a, b) { return (typeof b === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Rgb || b instanceof d3_Hsl) && d3.interpolateRgb(a, b); }, - function(a, b) { return !isNaN(a = +a) && !isNaN(b = +b) && d3.interpolateNumber(a, b); } -]; -function d3_uninterpolateNumber(a, b) { - b = b - (a = +a) ? 1 / (b - a) : 0; - return function(x) { return (x - a) * b; }; -} - -function d3_uninterpolateClamp(a, b) { - b = b - (a = +a) ? 1 / (b - a) : 0; - return function(x) { return Math.max(0, Math.min(1, (x - a) * b)); }; -} -d3.rgb = function(r, g, b) { - return arguments.length === 1 - ? (r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b) - : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb)) - : d3_rgb(~~r, ~~g, ~~b); -}; - -function d3_rgb(r, g, b) { - return new d3_Rgb(r, g, b); -} - -function d3_Rgb(r, g, b) { - this.r = r; - this.g = g; - this.b = b; -} - -d3_Rgb.prototype.brighter = function(k) { - k = Math.pow(0.7, arguments.length ? k : 1); - var r = this.r, - g = this.g, - b = this.b, - i = 30; - if (!r && !g && !b) return d3_rgb(i, i, i); - if (r && r < i) r = i; - if (g && g < i) g = i; - if (b && b < i) b = i; - return d3_rgb( - Math.min(255, Math.floor(r / k)), - Math.min(255, Math.floor(g / k)), - Math.min(255, Math.floor(b / k))); -}; - -d3_Rgb.prototype.darker = function(k) { - k = Math.pow(0.7, arguments.length ? k : 1); - return d3_rgb( - Math.floor(k * this.r), - Math.floor(k * this.g), - Math.floor(k * this.b)); -}; - -d3_Rgb.prototype.hsl = function() { - return d3_rgb_hsl(this.r, this.g, this.b); -}; - -d3_Rgb.prototype.toString = function() { - return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b); -}; - -function d3_rgb_hex(v) { - return v < 0x10 - ? "0" + Math.max(0, v).toString(16) - : Math.min(255, v).toString(16); -} - -function d3_rgb_parse(format, rgb, hsl) { - var r = 0, // red channel; int in [0, 255] - g = 0, // green channel; int in [0, 255] - b = 0, // blue channel; int in [0, 255] - m1, // CSS color specification match - m2, // CSS color specification type (e.g., rgb) - name; - - /* Handle hsl, rgb. */ - m1 = /([a-z]+)\((.*)\)/i.exec(format); - if (m1) { - m2 = m1[2].split(","); - switch (m1[1]) { - case "hsl": { - return hsl( - parseFloat(m2[0]), // degrees - parseFloat(m2[1]) / 100, // percentage - parseFloat(m2[2]) / 100 // percentage - ); - } - case "rgb": { - return rgb( - d3_rgb_parseNumber(m2[0]), - d3_rgb_parseNumber(m2[1]), - d3_rgb_parseNumber(m2[2]) - ); - } - } - } - - /* Named colors. */ - if (name = d3_rgb_names.get(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 = 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; -} - -d3_Hsl.prototype.brighter = function(k) { - k = Math.pow(0.7, arguments.length ? k : 1); - return d3_hsl(this.h, this.s, this.l / k); -}; - -d3_Hsl.prototype.darker = function(k) { - k = Math.pow(0.7, arguments.length ? k : 1); - return d3_hsl(this.h, this.s, k * this.l); -}; - -d3_Hsl.prototype.rgb = function() { - return d3_hsl_rgb(this.h, this.s, this.l); -}; - -d3_Hsl.prototype.toString = function() { - return this.rgb().toString(); -}; - -function d3_hsl_rgb(h, s, l) { - var m1, - m2; - - /* Some simple corrections for h, s and l. */ - h = h % 360; if (h < 0) h += 360; - s = s < 0 ? 0 : s > 1 ? 1 : s; - l = l < 0 ? 0 : l > 1 ? 1 : l; - - /* From FvD 13.37, CSS Color Module Level 3 */ - m2 = l <= .5 ? l * (1 + s) : l + s - l * s; - m1 = 2 * l - m2; - - function v(h) { - if (h > 360) h -= 360; - else if (h < 0) h += 360; - if (h < 60) return m1 + (m2 - m1) * h / 60; - if (h < 180) return m2; - if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60; - return m1; - } - - function vv(h) { - return Math.round(v(h) * 255); - } - - return d3_rgb(vv(h + 120), vv(h), vv(h - 120)); -} -function d3_selection(groups) { - d3_arraySubclass(groups, d3_selectionPrototype); - return groups; -} - -var d3_select = function(s, n) { return n.querySelector(s); }, - d3_selectAll = function(s, n) { return n.querySelectorAll(s); }, - d3_selectRoot = document.documentElement, - d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector, - d3_selectMatches = function(n, s) { return d3_selectMatcher.call(n, s); }; - -// Prefer Sizzle, if available. -if (typeof Sizzle === "function") { - d3_select = function(s, n) { return Sizzle(s, n)[0]; }; - d3_selectAll = function(s, n) { return Sizzle.uniqueSort(Sizzle(s, n)); }; - d3_selectMatches = Sizzle.matchesSelector; -} - -var d3_selectionPrototype = []; - -d3.selection = function() { - return d3_selectionRoot; -}; - -d3.selection.prototype = d3_selectionPrototype; -d3_selectionPrototype.select = function(selector) { - var subgroups = [], - subgroup, - subnode, - group, - node; - - if (typeof selector !== "function") selector = d3_selection_selector(selector); - - for (var j = -1, m = this.length; ++j < m;) { - subgroups.push(subgroup = []); - subgroup.parentNode = (group = this[j]).parentNode; - for (var i = -1, n = group.length; ++i < n;) { - if (node = group[i]) { - subgroup.push(subnode = selector.call(node, node.__data__, i)); - if (subnode && "__data__" in node) subnode.__data__ = node.__data__; - } else { - subgroup.push(null); - } - } - } - - return d3_selection(subgroups); -}; - -function d3_selection_selector(selector) { - return function() { - return d3_select(selector, this); - }; -} -d3_selectionPrototype.selectAll = function(selector) { - var subgroups = [], - subgroup, - node; - - if (typeof selector !== "function") selector = d3_selection_selectorAll(selector); - - for (var j = -1, m = this.length; ++j < m;) { - for (var group = this[j], i = -1, n = group.length; ++i < n;) { - if (node = group[i]) { - subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i))); - subgroup.parentNode = node; - } - } - } - - return d3_selection(subgroups); -}; - -function d3_selection_selectorAll(selector) { - return function() { - return d3_selectAll(selector, this); - }; -} -d3_selectionPrototype.attr = function(name, value) { - name = d3.ns.qualify(name); - - // If no value is specified, return the first value. - if (arguments.length < 2) { - var node = this.node(); - return name.local - ? node.getAttributeNS(name.space, name.local) - : node.getAttribute(name); - } - - function attrNull() { - this.removeAttribute(name); - } - - function attrNullNS() { - this.removeAttributeNS(name.space, name.local); - } - - function attrConstant() { - this.setAttribute(name, value); - } - - function attrConstantNS() { - this.setAttributeNS(name.space, name.local, value); - } - - function attrFunction() { - var x = value.apply(this, arguments); - if (x == null) this.removeAttribute(name); - else this.setAttribute(name, x); - } - - function attrFunctionNS() { - var x = value.apply(this, arguments); - if (x == null) this.removeAttributeNS(name.space, name.local); - else this.setAttributeNS(name.space, name.local, x); - } - - return this.each(value == null - ? (name.local ? attrNullNS : attrNull) : (typeof value === "function" - ? (name.local ? attrFunctionNS : attrFunction) - : (name.local ? attrConstantNS : attrConstant))); -}; -d3_selectionPrototype.classed = function(name, value) { - var names = name.split(d3_selection_classedWhitespace), - n = names.length, - i = -1; - if (arguments.length > 1) { - while (++i < n) d3_selection_classed.call(this, names[i], value); - return this; - } else { - while (++i < n) if (!d3_selection_classed.call(this, names[i])) return false; - return true; - } -}; - -var d3_selection_classedWhitespace = /\s+/g; - -function d3_selection_classed(name, value) { - var re = new RegExp("(^|\\s+)" + d3.requote(name) + "(\\s+|$)", "g"); - - // If no value is specified, return the first value. - if (arguments.length < 2) { - var node = this.node(); - if (c = node.classList) return c.contains(name); - var c = node.className; - re.lastIndex = 0; - return re.test(c.baseVal != null ? c.baseVal : c); - } - - function classedAdd() { - if (c = this.classList) return c.add(name); - var c = this.className, - cb = c.baseVal != null, - cv = cb ? c.baseVal : c; - re.lastIndex = 0; - if (!re.test(cv)) { - cv = d3_collapse(cv + " " + name); - if (cb) c.baseVal = cv; - else this.className = cv; - } - } - - function classedRemove() { - if (c = this.classList) return c.remove(name); - var c = this.className, - cb = c.baseVal != null, - cv = cb ? c.baseVal : c; - cv = d3_collapse(cv.replace(re, " ")); - if (cb) c.baseVal = cv; - else this.className = cv; - } - - function classedFunction() { - (value.apply(this, arguments) - ? classedAdd - : classedRemove).call(this); - } - - return this.each(typeof value === "function" - ? classedFunction : value - ? classedAdd - : classedRemove); -} -d3_selectionPrototype.style = function(name, value, priority) { - if (arguments.length < 3) priority = ""; - - // If no value is specified, return the first value. - if (arguments.length < 2) return window - .getComputedStyle(this.node(), null) - .getPropertyValue(name); - - function styleNull() { - this.style.removeProperty(name); - } - - function styleConstant() { - this.style.setProperty(name, value, priority); - } - - function styleFunction() { - var x = value.apply(this, arguments); - if (x == null) this.style.removeProperty(name); - else this.style.setProperty(name, x, priority); - } - - return this.each(value == null - ? styleNull : (typeof value === "function" - ? styleFunction : styleConstant)); -}; -d3_selectionPrototype.property = function(name, value) { - - // If no value is specified, return the first value. - if (arguments.length < 2) return this.node()[name]; - - function propertyNull() { - delete this[name]; - } - - function propertyConstant() { - this[name] = value; - } - - function propertyFunction() { - var x = value.apply(this, arguments); - if (x == null) delete this[name]; - else this[name] = x; - } - - return this.each(value == null - ? propertyNull : (typeof value === "function" - ? propertyFunction : propertyConstant)); -}; -d3_selectionPrototype.text = function(value) { - return arguments.length < 1 - ? this.node().textContent : this.each(typeof value === "function" - ? function() { var v = value.apply(this, arguments); this.textContent = v == null ? "" : v; } : value == null - ? function() { this.textContent = ""; } - : function() { this.textContent = value; }); -}; -d3_selectionPrototype.html = function(value) { - return arguments.length < 1 - ? this.node().innerHTML : this.each(typeof value === "function" - ? function() { var v = value.apply(this, arguments); this.innerHTML = v == null ? "" : v; } : value == null - ? function() { this.innerHTML = ""; } - : function() { this.innerHTML = value; }); -}; -// TODO append(node)? -// TODO append(function)? -d3_selectionPrototype.append = function(name) { - name = d3.ns.qualify(name); - - function append() { - 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); -}; -// TODO insert(node, function)? -// TODO insert(function, string)? -// TODO insert(function, function)? -d3_selectionPrototype.insert = function(name, before) { - name = d3.ns.qualify(name); - - function insert() { - return this.insertBefore( - document.createElementNS(this.namespaceURI, name), - d3_select(before, this)); - } - - function insertNS() { - return this.insertBefore( - document.createElementNS(name.space, name.local), - d3_select(before, this)); - } - - return this.select(name.local ? insertNS : insert); -}; -// TODO remove(selector)? -// TODO remove(node)? -// TODO remove(function)? -d3_selectionPrototype.remove = function() { - return this.each(function() { - var parent = this.parentNode; - if (parent) parent.removeChild(this); - }); -}; -d3_selectionPrototype.data = function(value, key) { - var i = -1, - n = this.length, - group, - node; - - // If no value is specified, return the first value. - 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), - n1 = Math.max(n, m), - updateNodes = [], - enterNodes = [], - exitNodes = [], - node, - nodeData; - - if (key) { - var nodeByKeyValue = new d3_Map, - keyValues = [], - keyValue, - j = groupData.length; - - for (i = -1; ++i < n;) { - keyValue = key.call(node = group[i], node.__data__, i); - if (nodeByKeyValue.has(keyValue)) { - exitNodes[j++] = node; // duplicate key - } else { - nodeByKeyValue.set(keyValue, node); - } - keyValues.push(keyValue); - } - - for (i = -1; ++i < m;) { - keyValue = key.call(groupData, nodeData = groupData[i], i) - if (nodeByKeyValue.has(keyValue)) { - updateNodes[i] = node = nodeByKeyValue.get(keyValue); - node.__data__ = nodeData; - enterNodes[i] = exitNodes[i] = null; - } else { - enterNodes[i] = d3_selection_dataNode(nodeData); - updateNodes[i] = exitNodes[i] = null; - } - 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; - 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 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 = -d3_selectionPrototype.map = function(value) { - return arguments.length < 1 - ? this.property("__data__") - : this.property("__data__", value); -}; -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__); - }; -} -// 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, - o = node[name]; - - // remove the old listener, if any (using the previously-set capture) - if (o) { - node.removeEventListener(type, o, o.$); - delete node[name]; - } - - // add the new listener, if any (remembering the capture flag) - if (listener) { - node.addEventListener(type, node[name] = l, l.$ = capture); - l._ = listener; // stash the unwrapped listener for get - } - - // 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; - } - } - }); -}; -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: d3_transitionDelay, duration: d3_transitionDuration} : null); - } - } - - return d3_transition(subgroups, d3_transitionId || ++d3_transitionNextId, Date.now()); -}; -var d3_selectionRoot = d3_selection([[document]]); - -d3_selectionRoot[0].parentNode = d3_selectRoot; - -// TODO fast singleton implementation! -// TODO select(function) -d3.select = function(selector) { - return typeof selector === "string" - ? d3_selectionRoot.select(selector) - : d3_selection([[selector]]); // assume node -}; - -// TODO selectAll(function) -d3.selectAll = function(selector) { - return typeof selector === "string" - ? d3_selectionRoot.selectAll(selector) - : d3_selection([d3_array(selector)]); // assume node[] -}; -function d3_selection_enter(selection) { - d3_arraySubclass(selection, d3_selection_enterPrototype); - return selection; -} - -var d3_selection_enterPrototype = []; - -d3.selection.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, time) { - d3_arraySubclass(groups, d3_transitionPrototype); - - var tweens = new d3_Map, - 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.get(name); - if (tween == null) tweens.remove(name); - else tweens.set(name, tween); - return groups; - }; - - groups.ease = function(value) { - if (!arguments.length) return ease; - ease = typeof value === "function" ? value : d3.ease.apply(d3, arguments); - return groups; - }; - - groups.each = function(type, listener) { - if (arguments.length < 2) return d3_transition_each.call(groups, type); - event.on(type, listener); - return groups; - }; - - d3.timer(function(elapsed) { - groups.each(function(d, i, j) { - var tweened = [], - node = this, - delay = groups[j][i].delay, - duration = groups[j][i].duration, - lock = node.__transition__ || (node.__transition__ = {active: 0, count: 0}); - - ++lock.count; - - delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time); - - function start(elapsed) { - if (lock.active > id) return stop(); - lock.active = id; - - tweens.forEach(function(key, value) { - if (tween = value.call(node, d, i)) { - tweened.push(tween); - } - }); - - event.start.call(node, d, i); - if (!tick(elapsed)) d3.timer(tick, 0, time); - return 1; - } - - function tick(elapsed) { - if (lock.active !== id) return stop(); - - var t = (elapsed - delay) / duration, - e = ease(t), - n = tweened.length; - - while (n > 0) { - tweened[--n].call(node, e); - } - - if (t >= 1) { - stop(); - d3_transitionId = id; - event.end.call(node, d, i); - d3_transitionId = 0; - return 1; - } - } - - function stop() { - if (!--lock.count) delete node.__transition__; - return 1; - } - }); - return 1; - }, 0, time); - - return groups; -} - -var d3_transitionRemove = {}; - -function d3_transitionNull(d, i, a) { - return a != "" && d3_transitionRemove; -} - -function d3_transitionTween(name, b) { - var interpolate = d3_interpolateByName(name); - - function transitionFunction(d, i, a) { - var v = b.call(this, d, i); - return v == null - ? a != "" && d3_transitionRemove - : a != v && interpolate(a, v); - } - - function transitionString(d, i, a) { - return a != b && interpolate(a, b); - } - - return typeof b === "function" ? transitionFunction - : b == null ? d3_transitionNull - : (b += "", transitionString); -} - -var d3_transitionPrototype = [], - d3_transitionNextId = 0, - d3_transitionId = 0, - d3_transitionDefaultDelay = 0, - d3_transitionDefaultDuration = 250, - d3_transitionDefaultEase = d3.ease("cubic-in-out"), - d3_transitionDelay = d3_transitionDefaultDelay, - d3_transitionDuration = d3_transitionDefaultDuration, - d3_transitionEase = d3_transitionDefaultEase; - -d3_transitionPrototype.call = d3_selectionPrototype.call; - -d3.transition = function(selection) { - return arguments.length - ? (d3_transitionId ? selection.transition() : selection) - : d3_selectionRoot.transition(); -}; - -d3.transition.prototype = d3_transitionPrototype; -d3_transitionPrototype.select = function(selector) { - var subgroups = [], - subgroup, - subnode, - node; - - if (typeof selector !== "function") selector = d3_selection_selector(selector); - - for (var j = -1, m = this.length; ++j < m;) { - subgroups.push(subgroup = []); - for (var group = this[j], i = -1, n = group.length; ++i < n;) { - if ((node = group[i]) && (subnode = selector.call(node.node, node.node.__data__, i))) { - if ("__data__" in node.node) subnode.__data__ = node.node.__data__; - subgroup.push({node: subnode, delay: node.delay, duration: node.duration}); - } else { - subgroup.push(null); - } - } - } - - return d3_transition(subgroups, this.id, this.time).ease(this.ease()); -}; -d3_transitionPrototype.selectAll = function(selector) { - var subgroups = [], - subgroup, - subnodes, - node; - - if (typeof selector !== "function") selector = d3_selection_selectorAll(selector); - - for (var j = -1, m = this.length; ++j < m;) { - for (var group = this[j], i = -1, n = group.length; ++i < n;) { - if (node = group[i]) { - subnodes = selector.call(node.node, node.node.__data__, i); - subgroups.push(subgroup = []); - for (var k = -1, o = subnodes.length; ++k < o;) { - subgroup.push({node: subnodes[k], delay: node.delay, duration: node.duration}); - } - } - } - } - - return d3_transition(subgroups, this.id, this.time).ease(this.ease()); -}; -d3_transitionPrototype.attr = function(name, value) { - return this.attrTween(name, d3_transitionTween(name, value)); -}; - -d3_transitionPrototype.attrTween = function(nameNS, tween) { - var name = d3.ns.qualify(nameNS); - - function attrTween(d, i) { - var f = tween.call(this, d, i, this.getAttribute(name)); - return f === d3_transitionRemove - ? (this.removeAttribute(name), null) - : f && function(t) { this.setAttribute(name, f(t)); }; - } - - function attrTweenNS(d, i) { - var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local)); - return f === d3_transitionRemove - ? (this.removeAttributeNS(name.space, name.local), null) - : f && function(t) { this.setAttributeNS(name.space, name.local, f(t)); }; - } - - return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween); -}; -d3_transitionPrototype.style = function(name, value, priority) { - if (arguments.length < 3) priority = ""; - return this.styleTween(name, d3_transitionTween(name, value), priority); -}; - -d3_transitionPrototype.styleTween = function(name, tween, priority) { - if (arguments.length < 3) priority = ""; - return this.tween("style." + name, function(d, i) { - var f = tween.call(this, d, i, window.getComputedStyle(this, null).getPropertyValue(name)); - return f === d3_transitionRemove - ? (this.style.removeProperty(name), null) - : f && function(t) { this.style.setProperty(name, f(t), priority); }; - }); -}; -d3_transitionPrototype.text = function(value) { - return this.tween("text", function(d, i) { - this.textContent = typeof value === "function" - ? value.call(this, d, i) - : value; - }); -}; -d3_transitionPrototype.remove = function() { - return this.each("end.transition", 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) | 0; } - : (value = value | 0, 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 = Math.max(1, value.apply(this, arguments) | 0); } - : (value = Math.max(1, value | 0), function(d, i, j) { groups[j][i].duration = value; })); -}; -function d3_transition_each(callback) { - var id = d3_transitionId, - ease = d3_transitionEase, - delay = d3_transitionDelay, - duration = d3_transitionDuration; - - d3_transitionId = this.id; - d3_transitionEase = this.ease(); - 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) { - d3_transitionDelay = this[j][i].delay; - d3_transitionDuration = this[j][i].duration; - callback.call(node = node.node, node.__data__, i, j); - } - } - } - - d3_transitionId = id; - d3_transitionEase = ease; - d3_transitionDelay = delay; - d3_transitionDuration = duration; - return this; -} -d3_transitionPrototype.transition = function() { - return this.select(d3_this); -}; -var d3_timer_queue = null, - d3_timer_interval, // is an interval (or frame) active? - d3_timer_timeout; // is a timeout active? - -// The timer will continue to fire until callback returns true. -d3.timer = function(callback, delay, then) { - var found = false, - t0, - t1 = d3_timer_queue; - - if (arguments.length < 3) { - if (arguments.length < 2) delay = 0; - else if (!isFinite(delay)) return; - then = Date.now(); - } - - // See if the callback's already in the queue. - while (t1) { - if (t1.callback === callback) { - t1.then = then; - t1.delay = delay; - found = true; - break; - } - t0 = t1; - t1 = t1.next; - } - - // Otherwise, add the callback to the queue. - if (!found) d3_timer_queue = { - callback: callback, - then: then, - delay: delay, - next: d3_timer_queue - }; - - // Start animatin'! - if (!d3_timer_interval) { - d3_timer_timeout = clearTimeout(d3_timer_timeout); - d3_timer_interval = 1; - d3_timer_frame(d3_timer_step); - } -} - -function d3_timer_step() { - var elapsed, - now = Date.now(), - t1 = d3_timer_queue; - - while (t1) { - elapsed = now - t1.then; - if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed); - t1 = t1.next; - } - - var delay = d3_timer_flush() - now; - if (delay > 24) { - if (isFinite(delay)) { - clearTimeout(d3_timer_timeout); - d3_timer_timeout = setTimeout(d3_timer_step, delay); - } - d3_timer_interval = 0; - } else { - d3_timer_interval = 1; - d3_timer_frame(d3_timer_step); - } -} - -d3.timer.flush = function() { - var elapsed, - now = Date.now(), - t1 = d3_timer_queue; - - while (t1) { - elapsed = now - t1.then; - if (!t1.delay) t1.flush = t1.callback(elapsed); - t1 = t1.next; - } - - d3_timer_flush(); -}; - -// Flush after callbacks, to avoid concurrent queue modification. -function d3_timer_flush() { - var t0 = null, - t1 = d3_timer_queue, - then = Infinity; - while (t1) { - if (t1.flush) { - t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next; - } else { - then = Math.min(then, t1.then + t1.delay); - t1 = (t0 = t1).next; - } - } - return then; -} - -var d3_timer_frame = window.requestAnimationFrame - || window.webkitRequestAnimationFrame - || window.mozRequestAnimationFrame - || window.oRequestAnimationFrame - || window.msRequestAnimationFrame - || function(callback) { setTimeout(callback, 17); }; -d3.transform = function(string) { - var g = document.createElementNS(d3.ns.prefix.svg, "g"), - identity = {a: 1, b: 0, c: 0, d: 1, e: 0, f: 0}; - return (d3.transform = function(string) { - g.setAttribute("transform", string); - var t = g.transform.baseVal.consolidate(); - return new d3_transform(t ? t.matrix : identity); - })(string); -}; - -// Compute x-scale and normalize the first row. -// Compute shear and make second row orthogonal to first. -// Compute y-scale and normalize the second row. -// Finally, compute the rotation. -function d3_transform(m) { - var r0 = [m.a, m.b], - r1 = [m.c, m.d], - kx = d3_transformNormalize(r0), - kz = d3_transformDot(r0, r1), - ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0; - if (r0[0] * r1[1] < r1[0] * r0[1]) { - r0[0] *= -1; - r0[1] *= -1; - kx *= -1; - kz *= -1; - } - this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_transformDegrees; - this.translate = [m.e, m.f]; - this.scale = [kx, ky]; - this.skew = ky ? Math.atan2(kz, ky) * d3_transformDegrees : 0; -}; - -d3_transform.prototype.toString = function() { - return "translate(" + this.translate - + ")rotate(" + this.rotate - + ")skewX(" + this.skew - + ")scale(" + this.scale - + ")"; -}; - -function d3_transformDot(a, b) { - return a[0] * b[0] + a[1] * b[1]; -} - -function d3_transformNormalize(a) { - var k = Math.sqrt(d3_transformDot(a, a)); - if (k) { - a[0] /= k; - a[1] /= k; - } - return k; -} - -function d3_transformCombine(a, b, k) { - a[0] += k * b[0]; - a[1] += k * b[1]; - return a; -} - -var d3_transformDegrees = 180 / Math.PI; -d3.mouse = function(container) { - return d3_mousePoint(container, d3_eventSource()); -}; - -// https://bugs.webkit.org/show_bug.cgi?id=44083 -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 (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 = 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); - } - - // Note: requires range is coercible to number! - scale.invert = function(y) { - return input(y); - }; - - scale.domain = function(x) { - if (!arguments.length) return domain; - domain = x.map(Number); - return rescale(); - }; - - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - return rescale(); - }; - - scale.rangeRound = function(x) { - return scale.range(x).interpolate(d3.interpolateRound); - }; - - scale.clamp = function(x) { - if (!arguments.length) return clamp; - clamp = x; - return rescale(); - }; - - scale.interpolate = function(x) { - if (!arguments.length) return interpolate; - interpolate = x; - return rescale(); - }; - - scale.ticks = function(m) { - return d3_scale_linearTicks(domain, m); - }; - - scale.tickFormat = function(m) { - return d3_scale_linearTickFormat(domain, m); - }; - - scale.nice = function() { - d3_scale_nice(domain, d3_scale_linearNice); - return rescale(); - }; - - scale.copy = function() { - return d3_scale_linear(domain, range, interpolate, clamp); - }; - - return rescale(); -} - -function d3_scale_linearRebind(scale, linear) { - return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); -} - -function d3_scale_linearNice(dx) { - dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1); - return { - floor: function(x) { return Math.floor(x / dx) * dx; }, - ceil: function(x) { return Math.ceil(x / dx) * dx; } - }; -} - -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, - k = Math.min(domain.length, range.length) - 1; - - // Handle descending domains. - 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++) {} // strip small values - for (j = ticks.length; ticks[j - 1] > v; j--) {} // strip big values - ticks = ticks.slice(i, j); - } - return ticks; - }; - - scale.tickFormat = function(n, format) { - if (arguments.length < 2) format = d3_scale_logFormat; - if (arguments.length < 1) return format; - var k = n / scale.ticks().length, - f = log === d3_scale_logn ? (e = -1e-12, Math.floor) : (e = 1e-12, Math.ceil), - e; - return function(d) { - return d / pow(f(log(d) + e)) < k ? format(d) : ""; - }; - }; - - scale.copy = function() { - return d3_scale_log(linear.copy(), log); - }; - - return d3_scale_linearRebind(scale, linear); -} - -var d3_scale_logFormat = d3.format(".0e"); - -function d3_scale_logp(x) { - return Math.log(x < 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", x: []}); -}; - -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](ranger.x, ranger.p); - }; - - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - rangeBand = 0; - ranger = {t: "range", x: x}; - return scale; - }; - - scale.rangePoints = function(x, padding) { - if (arguments.length < 2) padding = 0; - var start = x[0], - stop = x[1], - step = (stop - start) / (domain.length - 1 + padding); - range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step); - rangeBand = 0; - ranger = {t: "rangePoints", x: x, p: padding}; - return scale; - }; - - scale.rangeBands = function(x, padding) { - if (arguments.length < 2) padding = 0; - var reverse = x[1] < x[0], - start = x[reverse - 0], - stop = x[1 - reverse], - step = (stop - start) / (domain.length + padding); - range = steps(start + step * padding, step); - if (reverse) range.reverse(); - 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 reverse = x[1] < x[0], - start = x[reverse - 0], - stop = x[1 - reverse], - step = Math.floor((stop - start) / (domain.length + padding)), - 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", x: x, p: padding}; - return scale; - }; - - scale.rangeBand = function() { - return rangeBand; - }; - - scale.rangeExtent = function() { - return d3_scaleExtent(ranger.x); - }; - - scale.copy = function() { - return d3_scale_ordinal(domain, ranger); - }; - - return scale.domain(domain); -} -/* - * This product includes color specifications and designs developed by Cynthia - * Brewer (http://colorbrewer.org/). See lib/colorbrewer for more information. - */ - -d3.scale.category10 = function() { - return d3.scale.ordinal().range(d3_category10); -}; - -d3.scale.category20 = function() { - return d3.scale.ordinal().range(d3_category20); -}; - -d3.scale.category20b = function() { - return d3.scale.ordinal().range(d3_category20b); -}; - -d3.scale.category20c = function() { - return d3.scale.ordinal().range(d3_category20c); -}; - -var d3_category10 = [ - "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd", - "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf" -]; - -var d3_category20 = [ - "#1f77b4", "#aec7e8", - "#ff7f0e", "#ffbb78", - "#2ca02c", "#98df8a", - "#d62728", "#ff9896", - "#9467bd", "#c5b0d5", - "#8c564b", "#c49c94", - "#e377c2", "#f7b6d2", - "#7f7f7f", "#c7c7c7", - "#bcbd22", "#dbdb8d", - "#17becf", "#9edae5" -]; - -var d3_category20b = [ - "#393b79", "#5254a3", "#6b6ecf", "#9c9ede", - "#637939", "#8ca252", "#b5cf6b", "#cedb9c", - "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94", - "#843c39", "#ad494a", "#d6616b", "#e7969c", - "#7b4173", "#a55194", "#ce6dbd", "#de9ed6" -]; - -var d3_category20c = [ - "#3182bd", "#6baed6", "#9ecae1", "#c6dbef", - "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2", - "#31a354", "#74c476", "#a1d99b", "#c7e9c0", - "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb", - "#636363", "#969696", "#bdbdbd", "#d9d9d9" -]; -d3.scale.quantile = function() { - return d3_scale_quantile([], []); -}; - -function d3_scale_quantile(domain, range) { - var thresholds; - - function rescale() { - var k = 0, - n = domain.length, - q = range.length; - thresholds = []; - while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q); - return scale; - } - - function scale(x) { - if (isNaN(x = +x)) return NaN; - return range[d3.bisect(thresholds, x)]; - } - - scale.domain = function(x) { - if (!arguments.length) return domain; - domain = x.filter(function(d) { return !isNaN(d); }).sort(d3.ascending); - return rescale(); - }; - - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - return rescale(); - }; - - scale.quantiles = function() { - return thresholds; - }; - - scale.copy = function() { - return d3_scale_quantile(domain, range); // copy on write! - }; - - return rescale(); -} -d3.scale.quantize = function() { - return d3_scale_quantize(0, 1, [0, 1]); -}; - -function d3_scale_quantize(x0, x1, range) { - var kx, i; - - function scale(x) { - return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))]; - } - - function rescale() { - kx = range.length / (x1 - x0); - i = range.length - 1; - return scale; - } - - scale.domain = function(x) { - if (!arguments.length) return [x0, x1]; - x0 = +x[0]; - x1 = +x[x.length - 1]; - return rescale(); - }; - - scale.range = function(x) { - if (!arguments.length) return range; - range = x; - return rescale(); - }; - - scale.copy = function() { - return d3_scale_quantize(x0, x1, range); // copy on write - }; - - return rescale(); -} -d3.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 < 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 = d3_svg_lineInterpolatorDefault, - interpolator = d3_svg_lineInterpolators.get(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; - if (!d3_svg_lineInterpolators.has(v += "")) v = d3_svg_lineInterpolatorDefault; - interpolator = d3_svg_lineInterpolators.get(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]; -} - -var d3_svg_lineInterpolatorDefault = "linear"; - -// The various interpolators supported by the `line` class. -var d3_svg_lineInterpolators = d3.map({ - "linear": d3_svg_lineLinear, - "step-before": d3_svg_lineStepBefore, - "step-after": d3_svg_lineStepAfter, - "basis": d3_svg_lineBasis, - "basis-open": d3_svg_lineBasisOpen, - "basis-closed": d3_svg_lineBasisClosed, - "bundle": d3_svg_lineBundle, - "cardinal": d3_svg_lineCardinal, - "cardinal-open": d3_svg_lineCardinalOpen, - "cardinal-closed": d3_svg_lineCardinalClosed, - "monotone": d3_svg_lineMonotone -}); - -// Linear interpolation; generates "L" commands. -function d3_svg_lineLinear(points) { - var i = 0, - n = points.length, - p = points[0], - path = [p[0], ",", p[1]]; - while (++i < n) path.push("L", (p = points[i])[0], ",", p[1]); - return path.join(""); -} - -// Step interpolation; generates "H" and "V" commands. -function d3_svg_lineStepBefore(points) { - var i = 0, - n = points.length, - p = points[0], - path = [p[0], ",", p[1]]; - while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]); - return path.join(""); -} - -// Step interpolation; generates "H" and "V" commands. -function d3_svg_lineStepAfter(points) { - var i = 0, - n = points.length, - p = points[0], - path = [p[0], ",", p[1]]; - while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]); - return path.join(""); -} - -// Open cardinal spline interpolation; generates "C" commands. -function d3_svg_lineCardinalOpen(points, tension) { - return points.length < 4 - ? d3_svg_lineLinear(points) - : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1), - d3_svg_lineCardinalTangents(points, tension)); -} - -// Closed cardinal spline interpolation; generates "C" commands. -function d3_svg_lineCardinalClosed(points, tension) { - return points.length < 3 - ? d3_svg_lineLinear(points) - : points[0] + d3_svg_lineHermite((points.push(points[0]), points), - d3_svg_lineCardinalTangents([points[points.length - 2]] - .concat(points, [points[1]]), tension)); -} - -// Cardinal spline interpolation; generates "C" commands. -function d3_svg_lineCardinal(points, tension, closed) { - return points.length < 3 - ? d3_svg_lineLinear(points) - : points[0] + d3_svg_lineHermite(points, - d3_svg_lineCardinalTangents(points, tension)); -} - -// Hermite spline construction; generates "C" commands. -function d3_svg_lineHermite(points, tangents) { - if (tangents.length < 1 - || (points.length != tangents.length - && points.length != tangents.length + 2)) { - return d3_svg_lineLinear(points); - } - - var quad = points.length != tangents.length, - path = "", - p0 = points[0], - p = points[1], - t0 = tangents[0], - t = t0, - pi = 1; - - if (quad) { - path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) - + "," + p[0] + "," + p[1]; - p0 = points[1]; - pi = 2; - } - - if (tangents.length > 1) { - t = tangents[1]; - p = points[pi]; - pi++; - path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) - + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) - + "," + p[0] + "," + p[1]; - for (var i = 2; i < tangents.length; i++, pi++) { - p = points[pi]; - t = tangents[i]; - path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) - + "," + p[0] + "," + p[1]; - } - } - - if (quad) { - var lp = points[pi]; - path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) - + "," + lp[0] + "," + lp[1]; - } - - return path; -} - -// Generates tangents for a cardinal spline. -function d3_svg_lineCardinalTangents(points, tension) { - var tangents = [], - a = (1 - tension) / 2, - p0, - p1 = points[0], - p2 = points[1], - i = 1, - n = points.length; - while (++i < n) { - p0 = p1; - p1 = p2; - p2 = points[i]; - tangents.push([a * (p2[0] - p0[0]), a * (p2[1] - p0[1])]); - } - return tangents; -} - -// B-spline interpolation; generates "C" commands. -function d3_svg_lineBasis(points) { - if (points.length < 3) return d3_svg_lineLinear(points); - var i = 1, - n = points.length, - pi = points[0], - x0 = pi[0], - y0 = pi[1], - px = [x0, x0, x0, (pi = points[1])[0]], - py = [y0, y0, y0, pi[1]], - path = [x0, ",", y0]; - d3_svg_lineBasisBezier(path, px, py); - while (++i < n) { - pi = points[i]; - px.shift(); px.push(pi[0]); - py.shift(); py.push(pi[1]); - d3_svg_lineBasisBezier(path, px, py); - } - i = -1; - while (++i < 2) { - px.shift(); px.push(pi[0]); - py.shift(); py.push(pi[1]); - d3_svg_lineBasisBezier(path, px, py); - } - return path.join(""); -} - -// Open B-spline interpolation; generates "C" commands. -function d3_svg_lineBasisOpen(points) { - if (points.length < 4) return d3_svg_lineLinear(points); - var path = [], - i = -1, - n = points.length, - pi, - px = [0], - py = [0]; - while (++i < 3) { - pi = points[i]; - px.push(pi[0]); - py.push(pi[1]); - } - path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) - + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)); - --i; while (++i < n) { - pi = points[i]; - px.shift(); px.push(pi[0]); - py.shift(); py.push(pi[1]); - d3_svg_lineBasisBezier(path, px, py); - } - return path.join(""); -} - -// Closed B-spline interpolation; generates "C" commands. -function d3_svg_lineBasisClosed(points) { - var path, - i = -1, - n = points.length, - m = n + 4, - pi, - px = [], - py = []; - while (++i < 4) { - pi = points[i % n]; - px.push(pi[0]); - py.push(pi[1]); - } - path = [ - d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", - d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) - ]; - --i; while (++i < m) { - pi = points[i % n]; - px.shift(); px.push(pi[0]); - py.shift(); py.push(pi[1]); - d3_svg_lineBasisBezier(path, px, py); - } - return path.join(""); -} - -function d3_svg_lineBundle(points, tension) { - var n = points.length - 1, - x0 = points[0][0], - y0 = points[0][1], - dx = points[n][0] - x0, - dy = points[n][1] - y0, - i = -1, - p, - t; - while (++i <= n) { - p = points[i]; - t = i / n; - p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx); - p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy); - } - return d3_svg_lineBasis(points); -} - -// Returns the dot product of the given four-element vectors. -function d3_svg_lineDot4(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; -} - -// Matrix to transform basis (b-spline) control points to bezier -// control points. Derived from FvD 11.2.8. -var d3_svg_lineBasisBezier1 = [0, 2/3, 1/3, 0], - d3_svg_lineBasisBezier2 = [0, 1/3, 2/3, 0], - d3_svg_lineBasisBezier3 = [0, 1/6, 2/3, 1/6]; - -// Pushes a "C" Bézier curve onto the specified path array, given the -// two specified four-element arrays which define the control points. -function d3_svg_lineBasisBezier(path, x, y) { - path.push( - "C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), - ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), - ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), - ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), - ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), - ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y)); -} - -// Computes the slope from points p0 to p1. -function d3_svg_lineSlope(p0, p1) { - return (p1[1] - p0[1]) / (p1[0] - p0[0]); -} - -// Compute three-point differences for the given points. -// http://en.wikipedia.org/wiki/Cubic_Hermite_spline#Finite_difference -function d3_svg_lineFiniteDifferences(points) { - var i = 0, - j = points.length - 1, - m = [], - p0 = points[0], - p1 = points[1], - d = m[0] = d3_svg_lineSlope(p0, p1); - while (++i < j) { - m[i] = d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1])); - } - m[i] = d; - return m; -} - -// Interpolates the given points using Fritsch-Carlson Monotone cubic Hermite -// interpolation. Returns an array of tangent vectors. For details, see -// http://en.wikipedia.org/wiki/Monotone_cubic_interpolation -function d3_svg_lineMonotoneTangents(points) { - var tangents = [], - d, - a, - b, - s, - m = d3_svg_lineFiniteDifferences(points), - i = -1, - j = points.length - 1; - - // The first two steps are done by computing finite-differences: - // 1. Compute the slopes of the secant lines between successive points. - // 2. Initialize the tangents at every point as the average of the secants. - - // Then, for each segment… - while (++i < j) { - d = d3_svg_lineSlope(points[i], points[i + 1]); - - // 3. If two successive yk = y{k + 1} are equal (i.e., d is zero), then set - // mk = m{k + 1} = 0 as the spline connecting these points must be flat to - // preserve monotonicity. Ignore step 4 and 5 for those k. - - if (Math.abs(d) < 1e-6) { - m[i] = m[i + 1] = 0; - } else { - // 4. Let ak = mk / dk and bk = m{k + 1} / dk. - a = m[i] / d; - b = m[i + 1] / d; - - // 5. Prevent overshoot and ensure monotonicity by restricting the - // magnitude of vector <ak, bk> to a circle of radius 3. - s = a * a + b * b; - if (s > 9) { - s = d * 3 / Math.sqrt(s); - m[i] = s * a; - m[i + 1] = s * b; - } - } - } - - // Compute the normalized tangent vector from the slopes. Note that if x is - // not monotonic, it's possible that the slope will be infinite, so we protect - // against NaN by setting the coordinate to zero. - i = -1; while (++i <= j) { - s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) - / (6 * (1 + m[i] * m[i])); - tangents.push([s || 0, m[i] * s || 0]); - } - - return tangents; -} - -function d3_svg_lineMonotone(points) { - return points.length < 3 - ? d3_svg_lineLinear(points) - : points[0] + - d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points)); -} -d3.svg.line.radial = function() { - var line = d3_svg_line(d3_svg_lineRadial); - line.radius = line.x, delete line.x; - line.angle = line.y, delete line.y; - return line; -}; - -function d3_svg_lineRadial(points) { - var point, - i = -1, - n = points.length, - r, - a; - while (++i < n) { - point = points[i]; - r = point[0]; - a = point[1] + d3_svg_arcOffset; - point[0] = r * Math.cos(a); - point[1] = r * Math.sin(a); - } - return points; -} -function d3_svg_area(projection) { - var x0 = d3_svg_lineX, - x1 = d3_svg_lineX, - y0 = 0, - y1 = d3_svg_lineY, - interpolate, - i0, - i1, - tension = .7; - - function area(d) { - if (d.length < 1) return null; - var points0 = d3_svg_linePoints(this, d, x0, y0), - points1 = d3_svg_linePoints(this, d, x0 === x1 ? d3_svg_areaX(points0) : x1, y0 === y1 ? d3_svg_areaY(points0) : y1); - return "M" + i0(projection(points1), tension) - + "L" + i1(projection(points0.reverse()), tension) - + "Z"; - } - - area.x = function(x) { - if (!arguments.length) return x1; - x0 = x1 = x; - return area; - }; - - area.x0 = function(x) { - if (!arguments.length) return x0; - x0 = x; - return area; - }; - - area.x1 = function(x) { - if (!arguments.length) return x1; - x1 = x; - return area; - }; - - area.y = function(y) { - if (!arguments.length) return y1; - y0 = y1 = y; - return area; - }; - - area.y0 = function(y) { - if (!arguments.length) return y0; - y0 = y; - return area; - }; - - area.y1 = function(y) { - if (!arguments.length) return y1; - y1 = y; - return area; - }; - - area.interpolate = function(x) { - if (!arguments.length) return interpolate; - if (!d3_svg_lineInterpolators.has(x += "")) x = d3_svg_lineInterpolatorDefault; - i0 = d3_svg_lineInterpolators.get(interpolate = x); - i1 = i0.reverse || i0; - return area; - }; - - area.tension = function(x) { - if (!arguments.length) return tension; - tension = x; - return area; - }; - - return area.interpolate("linear"); -} - -d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter; -d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore; - -d3.svg.area = function() { - return d3_svg_area(Object); -}; - -function d3_svg_areaX(points) { - return function(d, i) { - return points[i][0]; - }; -} - -function d3_svg_areaY(points) { - return function(d, i) { - return points[i][1]; - }; -} -d3.svg.area.radial = function() { - var area = d3_svg_area(d3_svg_lineRadial); - area.radius = area.x, delete area.x; - area.innerRadius = area.x0, delete area.x0; - area.outerRadius = area.x1, delete area.x1; - area.angle = area.y, delete area.y; - area.startAngle = area.y0, delete area.y0; - area.endAngle = area.y1, delete area.y1; - return area; -}; -d3.svg.chord = function() { - var source = d3_svg_chordSource, - target = d3_svg_chordTarget, - radius = d3_svg_chordRadius, - startAngle = d3_svg_arcStartAngle, - endAngle = d3_svg_arcEndAngle; - - // TODO Allow control point to be customized. - - function chord(d, i) { - var s = subgroup(this, source, d, i), - t = subgroup(this, target, d, i); - return "M" + s.p0 - + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) - ? curve(s.r, s.p1, s.r, s.p0) - : curve(s.r, s.p1, t.r, t.p0) - + arc(t.r, t.p1, t.a1 - t.a0) - + curve(t.r, t.p1, s.r, s.p0)) - + "Z"; - } - - function subgroup(self, f, d, i) { - var subgroup = f.call(self, d, i), - r = radius.call(self, subgroup, i), - a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset, - a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset; - return { - r: r, - a0: a0, - a1: a1, - p0: [r * Math.cos(a0), r * Math.sin(a0)], - p1: [r * Math.cos(a1), r * Math.sin(a1)] - }; - } - - function equals(a, b) { - return a.a0 == b.a0 && a.a1 == b.a1; - } - - function arc(r, p, a) { - return "A" + r + "," + r + " 0 " + +(a > Math.PI) + ",1 " + p; - } - - function curve(r0, p0, r1, p1) { - return "Q 0,0 " + p1; - } - - chord.radius = function(v) { - if (!arguments.length) return radius; - radius = d3.functor(v); - return chord; - }; - - chord.source = function(v) { - if (!arguments.length) return source; - source = d3.functor(v); - return chord; - }; - - chord.target = function(v) { - if (!arguments.length) return target; - target = d3.functor(v); - return chord; - }; - - chord.startAngle = function(v) { - if (!arguments.length) return startAngle; - startAngle = d3.functor(v); - return chord; - }; - - chord.endAngle = function(v) { - if (!arguments.length) return endAngle; - endAngle = d3.functor(v); - return chord; - }; - - return chord; -}; - -function d3_svg_chordSource(d) { - return d.source; -} - -function d3_svg_chordTarget(d) { - return d.target; -} - -function d3_svg_chordRadius(d) { - return d.radius; -} - -function d3_svg_chordStartAngle(d) { - return d.startAngle; -} - -function d3_svg_chordEndAngle(d) { - return d.endAngle; -} -d3.svg.diagonal = function() { - var source = d3_svg_chordSource, - target = d3_svg_chordTarget, - projection = d3_svg_diagonalProjection; - - function diagonal(d, i) { - var p0 = source.call(this, d, i), - p3 = target.call(this, d, i), - m = (p0.y + p3.y) / 2, - p = [p0, {x: p0.x, y: m}, {x: p3.x, y: m}, p3]; - p = p.map(projection); - return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3]; - } - - diagonal.source = function(x) { - if (!arguments.length) return source; - source = d3.functor(x); - return diagonal; - }; - - diagonal.target = function(x) { - if (!arguments.length) return target; - target = d3.functor(x); - return diagonal; - }; - - diagonal.projection = function(x) { - if (!arguments.length) return projection; - projection = x; - return diagonal; - }; - - return diagonal; -}; - -function d3_svg_diagonalProjection(d) { - return [d.x, d.y]; -} -d3.svg.diagonal.radial = function() { - var diagonal = d3.svg.diagonal(), - projection = d3_svg_diagonalProjection, - projection_ = diagonal.projection; - - diagonal.projection = function(x) { - return arguments.length - ? projection_(d3_svg_diagonalRadialProjection(projection = x)) - : projection; - }; - - return diagonal; -}; - -function d3_svg_diagonalRadialProjection(projection) { - return function() { - var d = projection.apply(this, arguments), - r = d[0], - a = d[1] + d3_svg_arcOffset; - return [r * Math.cos(a), r * Math.sin(a)]; - }; -} -d3.svg.mouse = d3.mouse; -d3.svg.touches = d3.touches; -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; - }; - - // size of symbol in square pixels - symbol.size = function(x) { - if (!arguments.length) return size; - size = d3.functor(x); - return symbol; - }; - - return symbol; -}; - -function d3_svg_symbolSize() { - return 64; -} - -function d3_svg_symbolType() { - return "circle"; -} - -function d3_svg_symbolCircle(size) { - var r = Math.sqrt(size / Math.PI); - return "M0," + r - + "A" + r + "," + r + " 0 1,1 0," + (-r) - + "A" + r + "," + r + " 0 1,1 0," + r - + "Z"; -} - -// TODO cross-diagonal? -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 * Math.PI / 180); -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); - - // Ticks, or domain values for ordinal scales. - 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_; - - // Minor ticks. - var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide), - subtick = g.selectAll(".minor").data(subticks, String), - subtickEnter = subtick.enter().insert("line", "g").attr("class", "tick minor").style("opacity", 1e-6), - subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(), - subtickUpdate = d3.transition(subtick).style("opacity", 1); - - // Major ticks. - var tick = g.selectAll("g").data(ticks, String), - tickEnter = tick.enter().insert("g", "path").style("opacity", 1e-6), - tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(), - tickUpdate = d3.transition(tick).style("opacity", 1), - tickTransform; - - // Domain. - var range = d3_scaleRange(scale), - path = g.selectAll(".domain").data([0]), - pathEnter = path.enter().append("path").attr("class", "domain"), - pathUpdate = d3.transition(path); - - // Stash a snapshot of the new scale, and retrieve the old snapshot. - var scale1 = scale.copy(), - scale0 = this.__chart__ || scale1; - this.__chart__ = scale1; - - tickEnter.append("line").attr("class", "tick"); - tickEnter.append("text"); - tickUpdate.select("text").text(tickFormat); - - switch (orient) { - case "bottom": { - tickTransform = d3_svg_axisX; - subtickEnter.attr("y2", tickMinorSize); - subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize); - tickEnter.select("line").attr("y2", tickMajorSize); - tickEnter.select("text").attr("y", Math.max(tickMajorSize, 0) + tickPadding); - tickUpdate.select("line").attr("x2", 0).attr("y2", tickMajorSize); - tickUpdate.select("text").attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding).attr("dy", ".71em").attr("text-anchor", "middle"); - pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize); - break; - } - case "top": { - tickTransform = d3_svg_axisX; - subtickEnter.attr("y2", -tickMinorSize); - subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize); - tickEnter.select("line").attr("y2", -tickMajorSize); - tickEnter.select("text").attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)); - tickUpdate.select("line").attr("x2", 0).attr("y2", -tickMajorSize); - tickUpdate.select("text").attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("dy", "0em").attr("text-anchor", "middle"); - pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize); - break; - } - case "left": { - tickTransform = d3_svg_axisY; - subtickEnter.attr("x2", -tickMinorSize); - subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0); - tickEnter.select("line").attr("x2", -tickMajorSize); - tickEnter.select("text").attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)); - tickUpdate.select("line").attr("x2", -tickMajorSize).attr("y2", 0); - tickUpdate.select("text").attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0).attr("dy", ".32em").attr("text-anchor", "end"); - pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize); - break; - } - case "right": { - tickTransform = d3_svg_axisY; - subtickEnter.attr("x2", tickMinorSize); - subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0); - tickEnter.select("line").attr("x2", tickMajorSize); - tickEnter.select("text").attr("x", Math.max(tickMajorSize, 0) + tickPadding); - tickUpdate.select("line").attr("x2", tickMajorSize).attr("y2", 0); - tickUpdate.select("text").attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0).attr("dy", ".32em").attr("text-anchor", "start"); - pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize); - break; - } - } - - // For quantitative scales: - // - enter new ticks from the old scale - // - exit old ticks to the new scale - if (scale.ticks) { - tickEnter.call(tickTransform, scale0); - tickUpdate.call(tickTransform, scale1); - tickExit.call(tickTransform, scale1); - subtickEnter.call(tickTransform, scale0); - subtickUpdate.call(tickTransform, scale1); - subtickExit.call(tickTransform, scale1); - } - - // For ordinal scales: - // - any entering ticks are undefined in the old scale - // - any exiting ticks are undefined in the new scale - // Therefore, we only need to transition updating ticks. - else { - var dx = scale1.rangeBand() / 2, x = function(d) { return scale1(d) + dx; }; - tickEnter.call(tickTransform, x); - tickUpdate.call(tickTransform, x); - } - }); - } - - axis.scale = function(x) { - if (!arguments.length) return scale; - scale = x; - return axis; - }; - - axis.orient = function(x) { - if (!arguments.length) return orient; - orient = x; - return axis; - }; - - axis.ticks = function() { - if (!arguments.length) return tickArguments_; - tickArguments_ = arguments; - return axis; - }; - - axis.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, z) { - if (!arguments.length) return tickMajorSize; - var n = arguments.length - 1; - tickMajorSize = +x; - tickMinorSize = n > 1 ? +y : tickMajorSize; - tickEndSize = n > 0 ? +arguments[n] : tickMajorSize; - return axis; - }; - - axis.tickPadding = function(x) { - if (!arguments.length) return tickPadding; - tickPadding = +x; - return axis; - }; - - axis.tickSubdivide = function(x) { - if (!arguments.length) return tickSubdivide; - tickSubdivide = +x; - return axis; - }; - - return axis; -}; - -function d3_svg_axisX(selection, x) { - selection.attr("transform", function(d) { return "translate(" + x(d) + ",0)"; }); -} - -function d3_svg_axisY(selection, y) { - selection.attr("transform", function(d) { return "translate(0," + y(d) + ")"; }); -} - -function d3_svg_axisSubdivide(scale, ticks, m) { - subticks = []; - if (m && ticks.length > 1) { - var extent = d3_scaleExtent(scale.domain()), - subticks, - i = -1, - n = ticks.length, - d = (ticks[1] - ticks[0]) / ++m, - j, - v; - while (++i < n) { - for (j = m; --j > 0;) { - if ((v = +ticks[i] - j * d) >= extent[0]) { - subticks.push(v); - } - } - } - for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1];) { - subticks.push(v); - } - } - return subticks; -} -d3.svg.brush = function() { - var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), - x = null, // x-scale, optional - y = null, // y-scale, optional - resizes = d3_svg_brushResizes[0], - extent = [[0, 0], [0, 0]], // [x0, y0], [x1, y1], in pixels (integers) - extentDomain; // the extent in data space, lazily created - - 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; - - // Prepare the brush container for events. - g - .style("pointer-events", "all") - .on("mousedown.brush", brushstart) - .on("touchstart.brush", brushstart); - - // An invisible, mouseable area for starting a new brush. - bg.enter().append("rect") - .attr("class", "background") - .style("visibility", "hidden") - .style("cursor", "crosshair"); - - // The visible brush extent; style this as you like! - fg.enter().append("rect") - .attr("class", "extent") - .style("cursor", "move"); - - // More invisible rects for resizing the extent. - tz.enter().append("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]$/.test(d) ? -3 : null; }) - .attr("y", function(d) { return /^[ns]/.test(d) ? -3 : null; }) - .attr("width", 6) - .attr("height", 6) - .style("visibility", "hidden"); - - // Show or hide the resizers. - tz.style("display", brush.empty() ? "none" : null); - - // Remove any superfluous resizers. - tz.exit().remove(); - - // Initialize the background to fill the defined range. - // If the range isn't defined, you can post-process. - if (x) { - e = d3_scaleRange(x); - bg.attr("x", e[0]).attr("width", e[1] - e[0]); - redrawX(g); - } - if (y) { - e = d3_scaleRange(y); - bg.attr("y", e[0]).attr("height", e[1] - e[0]); - redrawY(g); - } - redraw(g); - }); - } - - function redraw(g) { - g.selectAll(".resize").attr("transform", function(d) { - return "translate(" + extent[+/e$/.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 the extent was clicked on, drag rather than brush; - // store the point between the mouse and extent origin instead. - if (dragging) { - origin[0] = extent[0][0] - origin[0]; - origin[1] = extent[0][1] - origin[1]; - } - - // If a resizer was clicked on, record which side is to be resized. - // Also, set the origin to the opposite side. - 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]; - } - - // If the ALT key is down when starting a brush, the center is at the mouse. - else if (d3.event.altKey) center = origin.slice(); - - // Propagate the active cursor to the body for the drag duration. - g.style("pointer-events", "none").selectAll(".resize").style("display", null); - d3.select("body").style("cursor", eventTarget.style("cursor")); - - // Notify listeners. - 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; - - // Preserve the offset for thick resizers. - if (offset) { - point[0] += offset[0]; - point[1] += offset[1]; - } - - if (!dragging) { - - // If needed, determine the center from the current extent. - if (d3.event.altKey) { - if (!center) center = [(extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2]; - - // Update the origin, for when the ALT key is released. - origin[0] = extent[+(point[0] < center[0])][0]; - origin[1] = extent[+(point[1] < center[1])][1]; - } - - // When the ALT key is released, we clear the center. - else center = null; - } - - // Update the brush extent for each dimension. - if (resizingX && move1(point, x, 0)) { - redrawX(g); - moved = true; - } - if (resizingY && move1(point, y, 1)) { - redrawY(g); - moved = true; - } - - // Final redraw and notify listeners. - 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; - - // When dragging, reduce the range by the extent size and position. - if (dragging) { - r0 -= position; - r1 -= size + position; - } - - // Clamp the point so that the extent fits within the range extent. - min = Math.max(r0, Math.min(r1, point[i])); - - // Compute the new extent bounds. - if (dragging) { - max = (min += position) + size; - } else { - - // If the ALT key is pressed, then preserve the center of the extent. - if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min)); - - // Compute the min and max of the position and point. - if (position < min) { - max = min; - min = position; - } else { - max = position; - } - } - - // Update the stored bounds. - if (extent[0][i] !== min || extent[1][i] !== max) { - extentDomain = null; - extent[0][i] = min; - extent[1][i] = max; - return true; - } - } - - function brushend() { - brushmove(); - - // reset the cursor styles - 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]; // fore! - return brush; - }; - - brush.y = function(z) { - if (!arguments.length) return y; - y = z; - resizes = d3_svg_brushResizes[!x << 1 | !y]; // fore! - return brush; - }; - - brush.extent = function(z) { - var x0, x1, y0, y1, t; - - // Invert the pixel extent to data-space. - 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]; - } - - // Scale the data-space extent to pixels. - 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 = {}; -// TODO Track touch points by identifier. - -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, - offset, - origin_ = point(), - moved = 0; - - var w = d3.select(window) - .on("mousemove.drag", dragmove) - .on("touchmove.drag", dragmove) - .on("mouseup.drag", dragend, true) - .on("touchend.drag", dragend, true); - - if (origin) { - offset = origin.apply(target, arguments); - offset = [offset.x - origin_[0], offset.y - origin_[1]]; - } else { - offset = [0, 0]; - } - - event_({type: "dragstart"}); - - function point() { - var p = target.parentNode, - t = d3.event.changedTouches; - return t ? d3.touches(p, t)[0] : d3.mouse(p); - } - - function dragmove() { - if (!target.parentNode) return dragend(); // target removed from DOM - - 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, prevent the mouseup (and possibly click) from propagating - if (moved) { - d3_eventCancel(); - if (d3.event.target === eventTarget) w.on("click.drag", click, true); - } - - w .on("mousemove.drag", null) - .on("touchmove.drag", null) - .on("mouseup.drag", null) - .on("touchend.drag", null); - } - - // prevent the subsequent click from propagating (e.g., for anchors) - 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, // translate when we started zooming (to avoid drift) - scale = 1, - scale0, // scale when we started touching - scaleExtent = d3_behavior_zoomInfinity, - event = d3_eventDispatch(zoom, "zoom"), - x0, - x1, - y0, - y1, - touchtime; // time of last touchstart (to detect double-tap) - - 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); - return zoom; - }; - - zoom.scale = function(x) { - if (!arguments.length) return scale; - scale = +x; - 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(); - return zoom; - }; - - zoom.y = function(z) { - if (!arguments.length) return y1; - y1 = z; - y0 = z.copy(); - 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 dispatch(event) { - 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)); - 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); - } - - 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); - scaleTo(d3.event.shiftKey ? scale / 2 : scale * 2); - 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) && (now - touchtime < 500)) { // dbltap - 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); - dispatch(event.of(this, arguments)); - } - - return d3.rebind(zoom, event, "on"); -}; - -var d3_behavior_zoomDiv, // for interpreting mousewheel events - d3_behavior_zoomInfinity = [0, Infinity]; // default scale extent - -function d3_behavior_zoomDelta() { - - // mousewheel events are totally broken! - // https://bugs.webkit.org/show_bug.cgi?id=40441 - // not only that, but Chrome and Safari differ in re. to acceleration! - if (!d3_behavior_zoomDiv) { - d3_behavior_zoomDiv = d3.select("body").append("div") - .style("visibility", "hidden") - .style("top", 0) - .style("height", 0) - .style("width", 0) - .style("overflow-y", "scroll") - .append("div") - .style("height", "2000px") - .node().parentNode; - } - - var e = d3.event, delta; - try { - d3_behavior_zoomDiv.scrollTop = 1000; - d3_behavior_zoomDiv.dispatchEvent(e); - delta = 1000 - d3_behavior_zoomDiv.scrollTop; - } catch (error) { - delta = e.wheelDelta || (-e.detail * 5); - } - - return delta; -} -d3.layout = {}; -// Implements hierarchical edge bundling using Holten's algorithm. For each -// input link, a path is computed that travels through the tree, up the parent -// hierarchy to the least common ancestor, and then back down to the destination -// node. Each path is simply an array of nodes. -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 = []; - - // Compute the sum. - 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; - } - - // Sort groups… - if (sortGroups) { - groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); - } - - // Sort subgroups… - if (sortSubgroups) { - subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); - } - - // Convert the sum to scaling factor for [0, 2pi]. - // TODO Allow start and end angle to be specified. - // TODO Allow padding to be specified as percentage? - k = (2 * Math.PI - padding * n) / k; - - // Compute the start and end angle for each group and subgroup. - // Note: Opera has a bug reordering object literal properties! - 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.push({ - index: di, - startAngle: x0, - endAngle: x, - value: (x - x0) / k - }); - x += padding; - } - - // Generate chords for each (non-empty) subgroup-subgroup link. - 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; -}; -// A rudimentary force layout using Gauss-Seidel. -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, - interval, - nodes = [], - links = [], - distances, - strengths, - charges; - - function repulse(node) { - return function(quad, x1, y1, x2, y2) { - if (quad.point !== node) { - var dx = quad.cx - node.x, - dy = quad.cy - node.y, - dn = 1 / Math.sqrt(dx * dx + dy * dy); - - /* Barnes-Hut criterion. */ - 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() { - // simulated annealing, basically - if ((alpha *= .99) < .005) { - event.end({type: "end", alpha: alpha = 0}); - return true; - } - - var n = nodes.length, - m = links.length, - q, - i, // current index - o, // current object - s, // current source - t, // current target - l, // current distance - k, // current force - x, // x-distance - y; // y-distance - - // gauss-seidel relaxation for links - 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; - } - } - - // apply gravity forces - 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; - } - } - - // compute quadtree center of mass and apply charge forces - 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)); - } - } - } - - // position verlet integration - 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; - }; - - // For backwards-compatibility. - 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 we're already running - if (x > 0) alpha = x; // we might keep it hot - else alpha = 0; // or, next tick will dispatch "end" - } else if (x > 0) { // otherwise, fire it up! - 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; - } - } - - // initialize node position based on first neighbor - 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; - } - - // initialize neighbors lazily - 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); - }; - - // use `node.call(force.drag)` to make nodes draggable - force.drag = function() { - if (!drag) drag = d3.behavior.drag() - .origin(Object) - .on("dragstart", dragstart) - .on("drag", d3_layout_forceDrag) - .on("dragend", d3_layout_forceDragEnd); - - this.on("mouseover.force", d3_layout_forceDragOver) - .on("mouseout.force", d3_layout_forceDragOut) - .call(drag); - }; - - function dragstart(d) { - d3_layout_forceDragOver(d3_layout_forceDragNode = d); - d3_layout_forceDragForce = force; - } - - return d3.rebind(force, event, "on"); -}; - -var d3_layout_forceDragForce, - d3_layout_forceDragNode; - -function d3_layout_forceDragOver(d) { - d.fixed |= 2; -} - -function d3_layout_forceDragOut(d) { - if (d !== d3_layout_forceDragNode) d.fixed &= 1; -} - -function d3_layout_forceDragEnd() { - d3_layout_forceDragNode.fixed &= 1; - d3_layout_forceDragForce = d3_layout_forceDragNode = null; -} - -function d3_layout_forceDrag() { - d3_layout_forceDragNode.px = d3.event.x; - d3_layout_forceDragNode.py = d3.event.y; - d3_layout_forceDragForce.resume(); // restart annealing -} - -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) { - // jitter internal nodes that are coincident - 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(link) { - return 20; -} - -function d3_layout_forceLinkStrength(link) { - return 1; -} -d3.layout.partition = function() { - var hierarchy = d3.layout.hierarchy(), - size = [1, 1]; // width, height - - 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 * Math.PI; - - function pie(data, i) { - - // Compute the numeric values for each data element. - var values = data.map(function(d, i) { return +value.call(pie, d, i); }); - - // Compute the start angle. - var a = +(typeof startAngle === "function" - ? startAngle.apply(this, arguments) - : startAngle); - - // Compute the angular scale factor: from value to radians. - var k = ((typeof endAngle === "function" - ? endAngle.apply(this, arguments) - : endAngle) - startAngle) - / d3.sum(values); - - // Optionally sort the data. - 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]); }); - - // Compute the arcs! - // They are stored in the original data's order. - var arcs = []; - index.forEach(function(i) { - arcs[i] = { - data: data[i], - value: d = values[i], - startAngle: a, - endAngle: a += d * k - }; - }); - return arcs; - } - - /** - * Specifies the value function *x*, which returns a nonnegative numeric value - * for each datum. The default value function is `Number`. The value function - * is passed two arguments: the current datum and the current index. - */ - pie.value = function(x) { - if (!arguments.length) return value; - value = x; - return pie; - }; - - /** - * Specifies a sort comparison operator *x*. The comparator is passed two data - * elements from the data array, a and b; it returns a negative value if a is - * less than b, a positive value if a is greater than b, and zero if a equals - * b. - */ - pie.sort = function(x) { - if (!arguments.length) return sort; - sort = x; - return pie; - }; - - /** - * Specifies the overall start angle of the pie chart. Defaults to 0. The - * start angle can be specified either as a constant or as a function; in the - * case of a function, it is evaluated once per array (as opposed to per - * element). - */ - pie.startAngle = function(x) { - if (!arguments.length) return startAngle; - startAngle = x; - return pie; - }; - - /** - * Specifies the overall end angle of the pie chart. Defaults to 2π. The - * end angle can be specified either as a constant or as a function; in the - * case of a function, it is evaluated once per array (as opposed to per - * element). - */ - pie.endAngle = function(x) { - if (!arguments.length) return endAngle; - endAngle = x; - return pie; - }; - - return pie; -}; - -var d3_layout_pieSortByValue = {}; -// data is two-dimensional array of x,y; we populate y0 -d3.layout.stack = function() { - var values = Object, - order = d3_layout_stackOrderDefault, - offset = d3_layout_stackOffsetZero, - out = d3_layout_stackOut, - x = d3_layout_stackX, - y = d3_layout_stackY; - - function stack(data, index) { - - // Convert series to canonical two-dimensional representation. - var series = data.map(function(d, i) { - return values.call(stack, d, i); - }); - - // Convert each series to canonical [[x,y]] representation. - var points = series.map(function(d, i) { - return d.map(function(v, i) { - return [x.call(stack, v, i), y.call(stack, v, i)]; - }); - }); - - // Compute the order of series, and permute them. - var orders = order.call(stack, points, index); - series = d3.permute(series, orders); - points = d3.permute(points, orders); - - // Compute the baseline… - var offsets = offset.call(stack, points, index); - - // And propagate it to other series. - 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, - max = 0, - 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; - - // Initialize the bins. - while (++i < m) { - bin = bins[i] = []; - bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]); - bin.y = 0; - } - - // Fill the bins, ignoring values outside the range. - 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; - } - - // Specifies how to extract a value from the associated data. The default - // value function is `Number`, which is equivalent to the identity function. - histogram.value = function(x) { - if (!arguments.length) return valuer; - valuer = x; - return histogram; - }; - - // Specifies the range of the histogram. Values outside the specified range - // will be ignored. The argument `x` may be specified either as a two-element - // array representing the minimum and maximum value of the range, or as a - // function that returns the range given the array of values and the current - // index `i`. The default range is the extent (minimum and maximum) of the - // values. - histogram.range = function(x) { - if (!arguments.length) return ranger; - ranger = d3.functor(x); - return histogram; - }; - - // Specifies how to bin values in the histogram. The argument `x` may be - // specified as a number, in which case the range of values will be split - // uniformly into the given number of bins. Or, `x` may be an array of - // threshold values, defining the bins; the specified array must contain the - // rightmost (upper) value, thus specifying n + 1 values for n bins. Or, `x` - // may be a function which is evaluated, being passed the range, the array of - // values, and the current index `i`, returning an array of thresholds. The - // default bin function will divide the values into uniform bins using - // Sturges' formula. - 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; - }; - - // Specifies whether the histogram's `y` value is a count (frequency) or a - // probability (density). The default value is true. - 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; - - // Recursively compute the node depth and value. - // Also converts the data representation into a standard hierarchy structure. - function recurse(data, depth, nodes) { - var childs = children.call(hierarchy, data, depth), - node = d3_layout_hierarchyInline ? data : {data: data}; - node.depth = depth; - nodes.push(node); - if (childs && (n = childs.length)) { - var i = -1, - n, - c = node.children = [], - v = 0, - j = depth + 1; - 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, data, depth) || 0; - } - return node; - } - - // Recursively re-evaluates the node value. - 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, d3_layout_hierarchyInline ? node : node.data, 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; - }; - - // Re-evaluates the `value` property for the specified hierarchy. - hierarchy.revalue = function(root) { - revalue(root, 0); - return root; - }; - - return hierarchy; -}; - -// A method assignment helper for hierarchy subclasses. -function d3_layout_hierarchyRebind(object, hierarchy) { - d3.rebind(object, hierarchy, "sort", "children", "value"); - - // Add an alias for links, for convenience. - object.links = d3_layout_hierarchyLinks; - - // If the new API is used, enabling inlining. - object.nodes = function(d) { - d3_layout_hierarchyInline = true; - return (object.nodes = object)(d); - }; - - 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; -} - -// Returns an array source+target objects for the specified nodes. -function d3_layout_hierarchyLinks(nodes) { - return d3.merge(nodes.map(function(parent) { - return (parent.children || []).map(function(child) { - return {source: parent, target: child}; - }); - })); -} - -// For backwards-compatibility, don't enable inlining by default. -var d3_layout_hierarchyInline = false; -d3.layout.pack = function() { - var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), - size = [1, 1]; - - function pack(d, i) { - var nodes = hierarchy.call(this, d, i), - root = nodes[0]; - - // Recursively compute the layout. - root.x = 0; - root.y = 0; - d3_layout_packTree(root); - - // Scale the layout to fit the requested size. - var w = size[0], - h = size[1], - k = 1 / Math.max(2 * root.r / w, 2 * root.r / h); - d3_layout_packTransform(root, w / 2, h / 2, k); - - return nodes; - } - - pack.size = function(x) { - if (!arguments.length) return size; - size = x; - 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; // within epsilon -} - -function d3_layout_packCircle(nodes) { - var xMin = Infinity, - xMax = -Infinity, - yMin = Infinity, - yMax = -Infinity, - n = nodes.length, - a, b, c, j, k; - - 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); - } - - // Create node links. - nodes.forEach(d3_layout_packLink); - - // Create first node. - a = nodes[0]; - a.x = -a.r; - a.y = 0; - bound(a); - - // Create second node. - if (n > 1) { - b = nodes[1]; - b.x = b.r; - b.y = 0; - bound(b); - - // Create third node and build chain. - 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; - - // Now iterate through the rest. - for (var i = 3; i < n; i++) { - d3_layout_packPlace(a, b, c = nodes[i]); - - // Search for the closest intersection. - 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; - } - } - } - - // Update node chain. - 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); - } - } - } - } - - // Re-center the circles and return the encompassing radius. - var cx = (xMin + xMax) / 2, - cy = (yMin + yMax) / 2, - cr = 0; - for (var i = 0; i < n; i++) { - var node = nodes[i]; - node.x -= cx; - node.y -= cy; - cr = Math.max(cr, node.r + Math.sqrt(node.x * node.x + node.y * node.y)); - } - - // Remove node links. - nodes.forEach(d3_layout_packUnlink); - - return cr; -} - -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_packTree(node) { - var children = node.children; - if (children && children.length) { - children.forEach(d3_layout_packTree); - node.r = d3_layout_packCircle(children); - } else { - node.r = Math.sqrt(node.value); - } -} - -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 = Math.sqrt(dx * dx + dy * dy), - cos = Math.max(-1, Math.min(1, (db * db + dc * dc - da * da) / (2 * db * dc))), - theta = Math.acos(cos), - x = cos * (db /= dc), - y = Math.sin(theta) * db; - 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; - } -} -// Implements a hierarchical layout using the cluster (or dendrogram) -// algorithm. -d3.layout.cluster = function() { - var hierarchy = d3.layout.hierarchy().sort(null).value(null), - separation = d3_layout_treeSeparation, - size = [1, 1]; // width, height - - function cluster(d, i) { - var nodes = hierarchy.call(this, d, i), - root = nodes[0], - previousNode, - x = 0, - kx, - ky; - - // First walk, computing the initial x & y values. - 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; - } - }); - - // Compute the left-most, right-most, and depth-most nodes for extents. - 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; - - // Second walk, normalizing x & y to the desired size. - 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; -} -// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm -d3.layout.tree = function() { - var hierarchy = d3.layout.hierarchy().sort(null).value(null), - separation = d3_layout_treeSeparation, - size = [1, 1]; // width, height - - 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; - } - - // Initialize temporary layout variables. - 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 - }; - }); - - // Compute the layout using Buchheim et al.'s algorithm. - firstWalk(root); - secondWalk(root, -root._tree.prelim); - - // Compute the left-most, right-most, and depth-most nodes for extents. - 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; - - // Clear temporary layout variables; transform x and y. - 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_treeSeparationRadial(a, b) { -// return (a.parent == b.parent ? 1 : 2) / a.depth; -// } - -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; -} -// Squarified Treemaps by Mark Bruls, Kees Huizing, and Jarke J. van Wijk -// Modified to support a target aspect ratio by Jeff Heer -d3.layout.treemap = function() { - var hierarchy = d3.layout.hierarchy(), - round = Math.round, - size = [1, 1], // width, height - padding = null, - pad = d3_layout_treemapPadNull, - sticky = false, - stickies, - ratio = 0.5 * (1 + Math.sqrt(5)); // golden ratio - - // Compute the area for each child based on value & scale. - 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; - } - } - - // Recursively arranges the specified node's children into squarified rows. - function squarify(node) { - var children = node.children; - if (children && children.length) { - var rect = pad(node), - row = [], - remaining = children.slice(), // copy-on-write - child, - best = Infinity, // the best row score so far - score, // the current row score - u = Math.min(rect.dx, rect.dy), // initial orientation - 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 ((score = worst(row, u)) <= best) { // continue with this orientation - remaining.pop(); - best = score; - } else { // abort, and try a different orientation - 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); - } - } - - // Recursively resizes the specified node's children into existing rows. - // Preserves the existing layout! - function stickify(node) { - var children = node.children; - if (children && children.length) { - var rect = pad(node), - remaining = children.slice(), // copy-on-write - 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); - } - } - - // Computes the score for the specified row, as the worst aspect ratio. - 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; - } - - // Positions the specified row of nodes. Modifies `rect`. - 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) { // horizontal subdivision - if (flush || v > rect.dy) v = rect.dy; // over+underflow - 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; // rounding error - rect.y += v; - rect.dy -= v; - } else { // vertical subdivision - if (flush || v > rect.dx) v = rect.dx; // over+underflow - 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; // rounding error - 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; - }; - - 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}; -} -d3.csv = function(url, callback) { - d3.text(url, "text/csv", function(text) { - callback(text && d3.csv.parse(text)); - }); -}; -d3.csv.parse = function(text) { - var header; - return d3.csv.parseRows(text, function(row, i) { - if (i) { - var o = {}, j = -1, m = header.length; - while (++j < m) o[header[j]] = row[j]; - return o; - } else { - header = row; - return null; - } - }); -}; - -d3.csv.parseRows = function(text, f) { - var EOL = {}, // sentinel value for end-of-line - EOF = {}, // sentinel value for end-of-file - rows = [], // output rows - re = /\r\n|[,\r\n]/g, // field separator regex - n = 0, // the current line number - t, // the current token - eol; // is the current token followed by EOL? - - re.lastIndex = 0; // work-around bug in FF 3.6 - - /** @private Returns the next token. */ - function token() { - if (re.lastIndex >= text.length) return EOF; // special case: end of file - if (eol) { eol = false; return EOL; } // special case: end of line - - // special case: quotes - var j = re.lastIndex; - if (text.charCodeAt(j) === 34) { - var i = j; - while (i++ < text.length) { - if (text.charCodeAt(i) === 34) { - if (text.charCodeAt(i + 1) !== 34) break; - i++; - } - } - re.lastIndex = i + 2; - var c = text.charCodeAt(i + 1); - if (c === 13) { - eol = true; - if (text.charCodeAt(i + 2) === 10) re.lastIndex++; - } else if (c === 10) { - eol = true; - } - return text.substring(j + 1, i).replace(/""/g, "\""); - } - - // common case - var m = re.exec(text); - if (m) { - eol = m[0].charCodeAt(0) !== 44; - return text.substring(j, m.index); - } - re.lastIndex = text.length; - 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; -}; -d3.csv.format = function(rows) { - return rows.map(d3_csv_formatRow).join("\n"); -}; - -function d3_csv_formatRow(row) { - return row.map(d3_csv_formatValue).join(","); -} - -function d3_csv_formatValue(text) { - return /[",\n]/.test(text) - ? "\"" + text.replace(/\"/g, "\"\"") + "\"" - : text; -} -d3.geo = {}; - -var d3_geo_radians = Math.PI / 180; -// TODO clip input coordinates on opposite hemisphere -d3.geo.azimuthal = function() { - var mode = "orthographic", // or stereographic, gnomonic, equidistant or equalarea - origin, - scale = 200, - translate = [480, 250], - x0, - y0, - cy0, - sy0; - - function azimuthal(coordinates) { - var x1 = coordinates[0] * d3_geo_radians - x0, - y1 = coordinates[1] * d3_geo_radians, - cx1 = Math.cos(x1), - sx1 = Math.sin(x1), - cy1 = Math.cos(y1), - sy1 = Math.sin(y1), - cc = mode !== "orthographic" ? sy0 * sy1 + cy0 * cy1 * cx1 : null, - c, - k = mode === "stereographic" ? 1 / (1 + cc) - : mode === "gnomonic" ? 1 / cc - : mode === "equidistant" ? (c = Math.acos(cc), c ? c / Math.sin(c) : 0) - : mode === "equalarea" ? Math.sqrt(2 / (1 + cc)) - : 1, - x = k * cy1 * sx1, - y = k * (sy0 * cy1 * cx1 - cy0 * sy1); - return [ - scale * x + translate[0], - scale * y + translate[1] - ]; - } - - azimuthal.invert = function(coordinates) { - var x = (coordinates[0] - translate[0]) / scale, - y = (coordinates[1] - translate[1]) / scale, - p = Math.sqrt(x * x + y * y), - c = mode === "stereographic" ? 2 * Math.atan(p) - : mode === "gnomonic" ? Math.atan(p) - : mode === "equidistant" ? p - : mode === "equalarea" ? 2 * Math.asin(.5 * p) - : Math.asin(p), - sc = Math.sin(c), - cc = Math.cos(c); - return [ - (x0 + Math.atan2(x * sc, p * cy0 * cc + y * sy0 * sc)) / d3_geo_radians, - Math.asin(cc * sy0 - (p ? (y * sc * cy0) / p : 0)) / d3_geo_radians - ]; - }; - - azimuthal.mode = function(x) { - if (!arguments.length) return mode; - mode = x + ""; - return azimuthal; - }; - - azimuthal.origin = function(x) { - if (!arguments.length) return origin; - origin = x; - x0 = origin[0] * d3_geo_radians; - y0 = origin[1] * d3_geo_radians; - cy0 = Math.cos(y0); - sy0 = Math.sin(y0); - return azimuthal; - }; - - azimuthal.scale = function(x) { - if (!arguments.length) return scale; - scale = +x; - return azimuthal; - }; - - azimuthal.translate = function(x) { - if (!arguments.length) return translate; - translate = [+x[0], +x[1]]; - return azimuthal; - }; - - return azimuthal.origin([0, 0]); -}; -// Derived from Tom Carden's Albers implementation for Protovis. -// http://gist.github.com/476238 -// http://mathworld.wolfram.com/AlbersEqual-AreaConicProjection.html - -d3.geo.albers = function() { - var origin = [-98, 38], - parallels = [29.5, 45.5], - scale = 1000, - translate = [480, 250], - lng0, // d3_geo_radians * origin[0] - n, - C, - p0; - - function albers(coordinates) { - var t = n * (d3_geo_radians * coordinates[0] - lng0), - p = Math.sqrt(C - 2 * n * Math.sin(d3_geo_radians * coordinates[1])) / n; - return [ - scale * p * Math.sin(t) + translate[0], - scale * (p * Math.cos(t) - p0) + translate[1] - ]; - } - - albers.invert = function(coordinates) { - var x = (coordinates[0] - translate[0]) / scale, - y = (coordinates[1] - translate[1]) / scale, - p0y = p0 + y, - t = Math.atan2(x, p0y), - p = Math.sqrt(x * x + p0y * p0y); - return [ - (lng0 + t / n) / d3_geo_radians, - Math.asin((C - p * p * n * n) / (2 * n)) / d3_geo_radians - ]; - }; - - function reload() { - var phi1 = d3_geo_radians * parallels[0], - phi2 = d3_geo_radians * parallels[1], - lat0 = d3_geo_radians * origin[1], - s = Math.sin(phi1), - c = Math.cos(phi1); - lng0 = d3_geo_radians * origin[0]; - n = .5 * (s + Math.sin(phi2)); - C = c * c + 2 * n * s; - p0 = Math.sqrt(C - 2 * n * Math.sin(lat0)) / n; - return albers; - } - - albers.origin = function(x) { - if (!arguments.length) return origin; - origin = [+x[0], +x[1]]; - return reload(); - }; - - albers.parallels = function(x) { - if (!arguments.length) return parallels; - parallels = [+x[0], +x[1]]; - return reload(); - }; - - albers.scale = function(x) { - if (!arguments.length) return scale; - scale = +x; - return albers; - }; - - albers.translate = function(x) { - if (!arguments.length) return translate; - translate = [+x[0], +x[1]]; - return albers; - }; - - return reload(); -}; - -// A composite projection for the United States, 960x500. The set of standard -// parallels for each region comes from USGS, which is published here: -// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers -// TODO allow the composite projection to be rescaled? -d3.geo.albersUsa = function() { - var lower48 = d3.geo.albers(); - - var alaska = d3.geo.albers() - .origin([-160, 60]) - .parallels([55, 65]); - - var hawaii = d3.geo.albers() - .origin([-160, 20]) - .parallels([8, 18]); - - var puertoRico = d3.geo.albers() - .origin([-60, 10]) - .parallels([8, 18]); - - function albersUsa(coordinates) { - var lon = coordinates[0], - lat = coordinates[1]; - return (lat > 50 ? alaska - : lon < -140 ? hawaii - : lat < 21 ? puertoRico - : lower48)(coordinates); - } - - 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() / 1000, - dx = x[0], - dy = x[1]; - lower48.translate(x); - alaska.translate([dx - 400 * dz, dy + 170 * dz]); - hawaii.translate([dx - 190 * dz, dy + 200 * dz]); - puertoRico.translate([dx + 580 * dz, dy + 430 * dz]); - return albersUsa; - }; - - return albersUsa.scale(lower48.scale()); -}; -d3.geo.bonne = function() { - var scale = 200, - translate = [480, 250], - x0, // origin longitude in radians - y0, // origin latitude in radians - y1, // parallel latitude in radians - c1; // cot(y1) - - function bonne(coordinates) { - var x = coordinates[0] * d3_geo_radians - x0, - y = coordinates[1] * d3_geo_radians - y0; - if (y1) { - var p = c1 + y1 - y, E = x * Math.cos(y) / p; - x = p * Math.sin(E); - y = p * Math.cos(E) - c1; - } else { - x *= Math.cos(y); - y *= -1; - } - return [ - scale * x + translate[0], - scale * y + translate[1] - ]; - } - - bonne.invert = function(coordinates) { - var x = (coordinates[0] - translate[0]) / scale, - y = (coordinates[1] - translate[1]) / scale; - if (y1) { - var c = c1 + y, p = Math.sqrt(x * x + c * c); - y = c1 + y1 - p; - x = x0 + p * Math.atan2(x, c) / Math.cos(y); - } else { - y *= -1; - x /= Math.cos(y); - } - return [ - x / d3_geo_radians, - y / d3_geo_radians - ]; - }; - - // 90° for Werner, 0° for Sinusoidal - bonne.parallel = function(x) { - if (!arguments.length) return y1 / d3_geo_radians; - c1 = 1 / Math.tan(y1 = x * d3_geo_radians); - return bonne; - }; - - bonne.origin = function(x) { - if (!arguments.length) return [x0 / d3_geo_radians, y0 / d3_geo_radians]; - x0 = x[0] * d3_geo_radians; - y0 = x[1] * d3_geo_radians; - return bonne; - }; - - bonne.scale = function(x) { - if (!arguments.length) return scale; - scale = +x; - return bonne; - }; - - bonne.translate = function(x) { - if (!arguments.length) return translate; - translate = [+x[0], +x[1]]; - return bonne; - }; - - return bonne.origin([0, 0]).parallel(45); -}; -d3.geo.equirectangular = function() { - var scale = 500, - translate = [480, 250]; - - function equirectangular(coordinates) { - var x = coordinates[0] / 360, - y = -coordinates[1] / 360; - return [ - scale * x + translate[0], - scale * y + translate[1] - ]; - } - - equirectangular.invert = function(coordinates) { - var x = (coordinates[0] - translate[0]) / scale, - y = (coordinates[1] - translate[1]) / scale; - return [ - 360 * x, - -360 * y - ]; - }; - - equirectangular.scale = function(x) { - if (!arguments.length) return scale; - scale = +x; - return equirectangular; - }; - - equirectangular.translate = function(x) { - if (!arguments.length) return translate; - translate = [+x[0], +x[1]]; - return equirectangular; - }; - - return equirectangular; -}; -d3.geo.mercator = function() { - var scale = 500, - translate = [480, 250]; - - function mercator(coordinates) { - var x = coordinates[0] / 360, - y = -(Math.log(Math.tan(Math.PI / 4 + coordinates[1] * d3_geo_radians / 2)) / d3_geo_radians) / 360; - return [ - scale * x + translate[0], - scale * Math.max(-.5, Math.min(.5, y)) + translate[1] - ]; - } - - mercator.invert = function(coordinates) { - var x = (coordinates[0] - translate[0]) / scale, - y = (coordinates[1] - translate[1]) / scale; - return [ - 360 * x, - 2 * Math.atan(Math.exp(-360 * y * d3_geo_radians)) / d3_geo_radians - 90 - ]; - }; - - mercator.scale = function(x) { - if (!arguments.length) return scale; - scale = +x; - return mercator; - }; - - mercator.translate = function(x) { - if (!arguments.length) return translate; - translate = [+x[0], +x[1]]; - return mercator; - }; - - return mercator; -}; -function d3_geo_type(types, defaultValue) { - return function(object) { - return object && types.hasOwnProperty(object.type) ? types[object.type](object) : defaultValue; - }; -} -/** - * Returns a function that, given a GeoJSON object (e.g., a feature), returns - * the corresponding SVG path. The function can be customized by overriding the - * projection. Point features are mapped to circles with a default radius of - * 4.5px; the radius can be specified either as a constant or a function that - * is evaluated per object. - */ -d3.geo.path = function() { - var pointRadius = 4.5, - pointCircle = d3_path_circle(pointRadius), - projection = d3.geo.albersUsa(); - - function path(d, i) { - if (typeof pointRadius === "function") { - pointCircle = d3_path_circle(pointRadius.apply(this, arguments)); - } - return pathType(d) || null; - } - - function project(coordinates) { - return projection(coordinates).join(","); - } - - var pathType = d3_geo_type({ - - FeatureCollection: function(o) { - var path = [], - features = o.features, - i = -1, // features.index - n = features.length; - while (++i < n) path.push(pathType(features[i].geometry)); - return path.join(""); - }, - - Feature: function(o) { - return pathType(o.geometry); - }, - - Point: function(o) { - return "M" + project(o.coordinates) + pointCircle; - }, - - MultiPoint: function(o) { - var path = [], - coordinates = o.coordinates, - i = -1, // coordinates.index - n = coordinates.length; - while (++i < n) path.push("M", project(coordinates[i]), pointCircle); - return path.join(""); - }, - - LineString: function(o) { - var path = ["M"], - coordinates = o.coordinates, - i = -1, // coordinates.index - n = coordinates.length; - while (++i < n) path.push(project(coordinates[i]), "L"); - path.pop(); - return path.join(""); - }, - - MultiLineString: function(o) { - var path = [], - coordinates = o.coordinates, - i = -1, // coordinates.index - n = coordinates.length, - subcoordinates, // coordinates[i] - j, // subcoordinates.index - m; // subcoordinates.length - while (++i < n) { - subcoordinates = coordinates[i]; - j = -1; - m = subcoordinates.length; - path.push("M"); - while (++j < m) path.push(project(subcoordinates[j]), "L"); - path.pop(); - } - return path.join(""); - }, - - Polygon: function(o) { - var path = [], - coordinates = o.coordinates, - i = -1, // coordinates.index - n = coordinates.length, - subcoordinates, // coordinates[i] - j, // subcoordinates.index - m; // subcoordinates.length - while (++i < n) { - subcoordinates = coordinates[i]; - j = -1; - if ((m = subcoordinates.length - 1) > 0) { - path.push("M"); - while (++j < m) path.push(project(subcoordinates[j]), "L"); - path[path.length - 1] = "Z"; - } - } - return path.join(""); - }, - - MultiPolygon: function(o) { - var path = [], - coordinates = o.coordinates, - i = -1, // coordinates index - n = coordinates.length, - subcoordinates, // coordinates[i] - j, // subcoordinates index - m, // subcoordinates.length - subsubcoordinates, // subcoordinates[j] - k, // subsubcoordinates index - p; // subsubcoordinates.length - while (++i < n) { - subcoordinates = coordinates[i]; - j = -1; - m = subcoordinates.length; - while (++j < m) { - subsubcoordinates = subcoordinates[j]; - k = -1; - if ((p = subsubcoordinates.length - 1) > 0) { - path.push("M"); - while (++k < p) path.push(project(subsubcoordinates[k]), "L"); - path[path.length - 1] = "Z"; - } - } - } - return path.join(""); - }, - - GeometryCollection: function(o) { - var path = [], - geometries = o.geometries, - i = -1, // geometries index - n = geometries.length; - while (++i < n) path.push(pathType(geometries[i])); - return path.join(""); - } - - }); - - var areaType = path.area = d3_geo_type({ - - FeatureCollection: function(o) { - var area = 0, - features = o.features, - i = -1, // features.index - n = features.length; - while (++i < n) area += areaType(features[i]); - return area; - }, - - Feature: function(o) { - return areaType(o.geometry); - }, - - Polygon: function(o) { - return polygonArea(o.coordinates); - }, - - MultiPolygon: function(o) { - var sum = 0, - coordinates = o.coordinates, - i = -1, // coordinates index - n = coordinates.length; - while (++i < n) sum += polygonArea(coordinates[i]); - return sum; - }, - - GeometryCollection: function(o) { - var sum = 0, - geometries = o.geometries, - i = -1, // geometries index - n = geometries.length; - while (++i < n) sum += areaType(geometries[i]); - return sum; - } - - }, 0); - - function polygonArea(coordinates) { - var sum = area(coordinates[0]), // exterior ring - i = 0, // coordinates.index - n = coordinates.length; - while (++i < n) sum -= area(coordinates[i]); // holes - return sum; - } - - function polygonCentroid(coordinates) { - var polygon = d3.geom.polygon(coordinates[0].map(projection)), // exterior ring - area = polygon.area(), - centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1), - x = centroid[0], - y = centroid[1], - z = area, - i = 0, // coordinates index - n = coordinates.length; - while (++i < n) { - polygon = d3.geom.polygon(coordinates[i].map(projection)); // holes - area = polygon.area(); - centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1); - x -= centroid[0]; - y -= centroid[1]; - z -= area; - } - return [x, y, 6 * z]; // weighted centroid - } - - var centroidType = path.centroid = d3_geo_type({ - - // TODO FeatureCollection - // TODO Point - // TODO MultiPoint - // TODO LineString - // TODO MultiLineString - // TODO GeometryCollection - - Feature: function(o) { - return centroidType(o.geometry); - }, - - Polygon: function(o) { - var centroid = polygonCentroid(o.coordinates); - return [centroid[0] / centroid[2], centroid[1] / centroid[2]]; - }, - - MultiPolygon: function(o) { - var area = 0, - coordinates = o.coordinates, - centroid, - x = 0, - y = 0, - z = 0, - i = -1, // coordinates index - n = coordinates.length; - while (++i < n) { - centroid = polygonCentroid(coordinates[i]); - x += centroid[0]; - y += centroid[1]; - z += centroid[2]; - } - return [x / z, y / z]; - } - - }); - - function area(coordinates) { - return Math.abs(d3.geom.polygon(coordinates.map(projection)).area()); - } - - path.projection = function(x) { - projection = x; - return path; - }; - - path.pointRadius = function(x) { - if (typeof x === "function") pointRadius = x; - else { - pointRadius = +x; - pointCircle = d3_path_circle(pointRadius); - } - return path; - }; - - return path; -}; - -function d3_path_circle(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + (-2 * radius) - + "a" + radius + "," + radius + " 0 1,1 0," + (+2 * radius) - + "z"; -} -/** - * Given a GeoJSON object, returns the corresponding bounding box. The bounding - * box is represented by a two-dimensional array: [[left, bottom], [right, - * top]], where left is the minimum longitude, bottom is the minimum latitude, - * right is maximum longitude, and top is the maximum latitude. - */ -d3.geo.bounds = function(feature) { - var left = Infinity, - bottom = Infinity, - right = -Infinity, - top = -Infinity; - d3_geo_bounds(feature, function(x, y) { - if (x < left) left = x; - if (x > right) right = x; - if (y < bottom) bottom = y; - if (y > top) top = y; - }); - return [[left, bottom], [right, top]]; -}; - -function d3_geo_bounds(o, f) { - if (d3_geo_boundsTypes.hasOwnProperty(o.type)) d3_geo_boundsTypes[o.type](o, f); -} - -var d3_geo_boundsTypes = { - Feature: d3_geo_boundsFeature, - FeatureCollection: d3_geo_boundsFeatureCollection, - GeometryCollection: d3_geo_boundsGeometryCollection, - LineString: d3_geo_boundsLineString, - MultiLineString: d3_geo_boundsMultiLineString, - MultiPoint: d3_geo_boundsLineString, - MultiPolygon: d3_geo_boundsMultiPolygon, - Point: d3_geo_boundsPoint, - Polygon: d3_geo_boundsPolygon -}; - -function d3_geo_boundsFeature(o, f) { - d3_geo_bounds(o.geometry, f); -} - -function d3_geo_boundsFeatureCollection(o, f) { - for (var a = o.features, i = 0, n = a.length; i < n; i++) { - d3_geo_bounds(a[i].geometry, f); - } -} - -function d3_geo_boundsGeometryCollection(o, f) { - for (var a = o.geometries, i = 0, n = a.length; i < n; i++) { - d3_geo_bounds(a[i], f); - } -} - -function d3_geo_boundsLineString(o, f) { - for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) { - f.apply(null, a[i]); - } -} - -function d3_geo_boundsMultiLineString(o, f) { - for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) { - for (var b = a[i], j = 0, m = b.length; j < m; j++) { - f.apply(null, b[j]); - } - } -} - -function d3_geo_boundsMultiPolygon(o, f) { - for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) { - for (var b = a[i][0], j = 0, m = b.length; j < m; j++) { - f.apply(null, b[j]); - } - } -} - -function d3_geo_boundsPoint(o, f) { - f.apply(null, o.coordinates); -} - -function d3_geo_boundsPolygon(o, f) { - for (var a = o.coordinates[0], i = 0, n = a.length; i < n; i++) { - f.apply(null, a[i]); - } -} -// TODO breakAtDateLine? - -d3.geo.circle = function() { - var origin = [0, 0], - degrees = 90 - 1e-2, - radians = degrees * d3_geo_radians, - arc = d3.geo.greatArc().target(Object); - - function circle() { - // TODO render a circle as a Polygon - } - - function visible(point) { - return arc.distance(point) < radians; - } - - circle.clip = function(d) { - arc.source(typeof origin === "function" ? origin.apply(this, arguments) : origin); - return clipType(d); - }; - - var clipType = d3_geo_type({ - - FeatureCollection: function(o) { - var features = o.features.map(clipType).filter(Object); - return features && (o = Object.create(o), o.features = features, o); - }, - - Feature: function(o) { - var geometry = clipType(o.geometry); - return geometry && (o = Object.create(o), o.geometry = geometry, o); - }, - - Point: function(o) { - return visible(o.coordinates) && o; - }, - - MultiPoint: function(o) { - var coordinates = o.coordinates.filter(visible); - return coordinates.length && { - type: o.type, - coordinates: coordinates - }; - }, - - LineString: function(o) { - var coordinates = clip(o.coordinates); - return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o); - }, - - MultiLineString: function(o) { - var coordinates = o.coordinates.map(clip).filter(function(d) { return d.length; }); - return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o); - }, - - Polygon: function(o) { - var coordinates = o.coordinates.map(clip); - return coordinates[0].length && (o = Object.create(o), o.coordinates = coordinates, o); - }, - - MultiPolygon: function(o) { - var coordinates = o.coordinates.map(function(d) { return d.map(clip); }).filter(function(d) { return d[0].length; }); - return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o); - }, - - GeometryCollection: function(o) { - var geometries = o.geometries.map(clipType).filter(Object); - return geometries.length && (o = Object.create(o), o.geometries = geometries, o); - } - - }); - - function clip(coordinates) { - var i = -1, - n = coordinates.length, - clipped = [], - p0, - p1, - p2, - d0, - d1; - - while (++i < n) { - d1 = arc.distance(p2 = coordinates[i]); - if (d1 < radians) { - if (p1) clipped.push(d3_geo_greatArcInterpolate(p1, p2)((d0 - radians) / (d0 - d1))); - clipped.push(p2); - p0 = p1 = null; - } else { - p1 = p2; - if (!p0 && clipped.length) { - clipped.push(d3_geo_greatArcInterpolate(clipped[clipped.length - 1], p1)((radians - d0) / (d1 - d0))); - p0 = p1; - } - } - d0 = d1; - } - - if (p1 && clipped.length) { - d1 = arc.distance(p2 = clipped[0]); - clipped.push(d3_geo_greatArcInterpolate(p1, p2)((d0 - radians) / (d0 - d1))); - } - - return resample(clipped); - } - - // Resample coordinates, creating great arcs between each. - function resample(coordinates) { - var i = 0, - n = coordinates.length, - j, - m, - resampled = n ? [coordinates[0]] : coordinates, - resamples, - origin = arc.source(); - - while (++i < n) { - resamples = arc.source(coordinates[i - 1])(coordinates[i]).coordinates; - for (j = 0, m = resamples.length; ++j < m;) resampled.push(resamples[j]); - } - - arc.source(origin); - return resampled; - } - - circle.origin = function(x) { - if (!arguments.length) return origin; - origin = x; - return circle; - }; - - circle.angle = function(x) { - if (!arguments.length) return degrees; - radians = (degrees = +x) * d3_geo_radians; - return circle; - }; - - // Precision is specified in degrees. - circle.precision = function(x) { - if (!arguments.length) return arc.precision(); - arc.precision(x); - return circle; - }; - - return circle; -} -d3.geo.greatArc = function() { - var source = d3_geo_greatArcSource, - target = d3_geo_greatArcTarget, - precision = 6 * d3_geo_radians; - - function greatArc() { - var a = typeof source === "function" ? source.apply(this, arguments) : source, - b = typeof target === "function" ? target.apply(this, arguments) : target, - i = d3_geo_greatArcInterpolate(a, b), - dt = precision / i.d, - t = 0, - coordinates = [a]; - while ((t += dt) < 1) coordinates.push(i(t)); - coordinates.push(b); - return { - type: "LineString", - coordinates: coordinates - }; - } - - // Length returned in radians; multiply by radius for distance. - greatArc.distance = function() { - var a = typeof source === "function" ? source.apply(this, arguments) : source, - b = typeof target === "function" ? target.apply(this, arguments) : target; - return d3_geo_greatArcInterpolate(a, b).d; - }; - - greatArc.source = function(x) { - if (!arguments.length) return source; - source = x; - return greatArc; - }; - - greatArc.target = function(x) { - if (!arguments.length) return target; - target = x; - return greatArc; - }; - - // Precision is specified in degrees. - greatArc.precision = function(x) { - if (!arguments.length) return precision / d3_geo_radians; - precision = x * d3_geo_radians; - return greatArc; - }; - - return greatArc; -}; - -function d3_geo_greatArcSource(d) { - return d.source; -} - -function d3_geo_greatArcTarget(d) { - return d.target; -} - -function d3_geo_greatArcInterpolate(a, b) { - var x0 = a[0] * d3_geo_radians, cx0 = Math.cos(x0), sx0 = Math.sin(x0), - y0 = a[1] * d3_geo_radians, cy0 = Math.cos(y0), sy0 = Math.sin(y0), - x1 = b[0] * d3_geo_radians, cx1 = Math.cos(x1), sx1 = Math.sin(x1), - y1 = b[1] * d3_geo_radians, cy1 = Math.cos(y1), sy1 = Math.sin(y1), - d = interpolate.d = Math.acos(Math.max(-1, Math.min(1, sy0 * sy1 + cy0 * cy1 * Math.cos(x1 - x0)))), - sd = Math.sin(d); - - // From http://williams.best.vwh.net/avform.htm#Intermediate - function interpolate(t) { - var A = Math.sin(d - (t *= d)) / sd, - B = Math.sin(t) / sd, - x = A * cy0 * cx0 + B * cy1 * cx1, - y = A * cy0 * sx0 + B * cy1 * sx1, - z = A * sy0 + B * sy1; - return [ - Math.atan2(y, x) / d3_geo_radians, - Math.atan2(z, Math.sqrt(x * x + y * y)) / d3_geo_radians - ]; - } - - return interpolate; -} -d3.geo.greatCircle = d3.geo.circle; -d3.geom = {}; -/** - * Computes a contour for a given input grid function using the <a - * href="http://en.wikipedia.org/wiki/Marching_squares">marching - * squares</a> algorithm. Returns the contour polygon as an array of points. - * - * @param grid a two-input function(x, y) that returns true for values - * inside the contour and false for values outside the contour. - * @param start an optional starting point [x, y] on the grid. - * @returns polygon [[x1, y1], [x2, y2], …] - */ -d3.geom.contour = function(grid, start) { - var s = start || d3_geom_contourStart(grid), // starting point - c = [], // contour polygon - x = s[0], // current x position - y = s[1], // current y position - dx = 0, // next x direction - dy = 0, // next y direction - pdx = NaN, // previous x direction - pdy = NaN, // previous y direction - i = 0; - - do { - // determine marching squares index - i = 0; - if (grid(x-1, y-1)) i += 1; - if (grid(x, y-1)) i += 2; - if (grid(x-1, y )) i += 4; - if (grid(x, y )) i += 8; - - // determine next direction - if (i === 6) { - dx = pdy === -1 ? -1 : 1; - dy = 0; - } else if (i === 9) { - dx = 0; - dy = pdx === 1 ? -1 : 1; - } else { - dx = d3_geom_contourDx[i]; - dy = d3_geom_contourDy[i]; - } - - // update contour polygon - if (dx != pdx && dy != pdy) { - c.push([x, y]); - pdx = dx; - pdy = dy; - } - - x += dx; - y += dy; - } while (s[0] != x || s[1] != y); - - return c; -}; - -// lookup tables for marching directions -var d3_geom_contourDx = [1, 0, 1, 1,-1, 0,-1, 1,0, 0,0,0,-1, 0,-1,NaN], - d3_geom_contourDy = [0,-1, 0, 0, 0,-1, 0, 0,1,-1,1,1, 0,-1, 0,NaN]; - -function d3_geom_contourStart(grid) { - var x = 0, - y = 0; - - // search for a starting point; begin at origin - // and proceed along outward-expanding diagonals - while (true) { - if (grid(x,y)) { - return [x,y]; - } - if (x === 0) { - x = y + 1; - y = 0; - } else { - x = x - 1; - y = y + 1; - } - } -} -/** - * Computes the 2D convex hull of a set of points using Graham's scanning - * algorithm. The algorithm has been implemented as described in Cormen, - * Leiserson, and Rivest's Introduction to Algorithms. The running time of - * this algorithm is O(n log n), where n is the number of input points. - * - * @param vertices [[x1, y1], [x2, y2], …] - * @returns polygon [[x1, y1], [x2, y2], …] - */ -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; - - // find the starting ref point: leftmost point with the minimum y coord - 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); - } - } - - // calculate polar angles from ref point and sort - 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; }); - - // toss out duplicate angles - 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) { - // keep angle for point most distant from the reference - 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; - } - } - - // initialize the stack - 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; - - // do graham's scan - for (; j<plen; ++j) { - if (points[j].index === -1) continue; // skip tossed out points - while (!d3_geom_hullCCW(stack[sp-2], stack[sp-1], points[j].index, vertices)) { - --sp; - } - stack[sp++] = points[j].index; - } - - // construct the hull - var poly = []; - for (i=0; i<sp; ++i) { - poly.push(vertices[stack[i]]); - } - return poly; -} - -// are three points in counter-clockwise order? -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; -} -// Note: requires coordinates to be counterclockwise and convex! -d3.geom.polygon = function(coordinates) { - - coordinates.area = function() { - var i = 0, - n = coordinates.length, - a = coordinates[n - 1][0] * coordinates[0][1], - b = coordinates[n - 1][1] * coordinates[0][0]; - while (++i < n) { - a += coordinates[i - 1][0] * coordinates[i][1]; - b += coordinates[i - 1][1] * coordinates[i][0]; - } - return (b - a) * .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]; - }; - - // The Sutherland-Hodgman clipping algorithm. - 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]); -} - -// Intersect two infinite lines cd and ab. -function d3_geom_polygonIntersect(c, d, a, b) { - var x1 = c[0], x2 = d[0], x3 = a[0], x4 = b[0], - y1 = c[1], y2 = d[1], y3 = a[1], y4 = b[1], - x13 = x1 - x3, - x21 = x2 - x1, - x43 = x4 - x3, - y13 = y1 - y3, - y21 = y2 - y1, - y43 = y4 - y3, - ua = (x43 * y13 - y43 * x13) / (y43 * x21 - x43 * y21); - return [x1 + ua * x21, y1 + ua * y21]; -} -// Adapted from Nicolas Garcia Belmonte's JIT implementation: -// http://blog.thejit.org/2010/02/12/voronoi-tessellation/ -// http://blog.thejit.org/assets/voronoijs/voronoi.js -// See lib/jit/LICENSE for details. - -// Notes: -// -// This implementation does not clip the returned polygons, so if you want to -// clip them to a particular shape you will need to do that either in SVG or by -// post-processing with d3.geom.polygon's clip method. -// -// If any vertices are coincident or have NaN positions, the behavior of this -// method is undefined. Most likely invalid polygons will be returned. You -// should filter invalid points, and consolidate coincident points, before -// computing the tessellation. - -/** - * @param vertices [[x1, y1], [x2, y2], …] - * @returns polygons [[[x1, y1], [x2, y2], …], …] - */ -d3.geom.voronoi = function(vertices) { - var polygons = vertices.map(function() { return []; }); - - 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 : -1e6; - x1 = e.c - e.b * y1; - y2 = s2 ? s2.y : 1e6; - x2 = e.c - e.b * y2; - } else { - x1 = s1 ? s1.x : -1e6; - y1 = e.c - e.a * x1; - x2 = s2 ? s2.x : 1e6; - 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); - }); - - // Reconnect the polygon segments into counterclockwise loops. - return polygons.map(function(polygon, i) { - var cx = vertices[i][0], - cy = vertices[i][1]; - polygon.forEach(function(v) { - v.angle = Math.atan2(v[0] - cx, v[1] - cy); - }); - return polygon.sort(function(a, b) { - return a.angle - b.angle; - }).filter(function(d, i) { - return !i || (d.angle - polygon[i - 1].angle > 1e-10); - }); - }); -}; - -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 /* e.b == 1 */ { - 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))) { //new site is smallest - 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()) { //intersection is smallest - 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; - } - }//end while - - for (lbnd = EdgeList.right(EdgeList.leftEnd); - lbnd != EdgeList.rightEnd; - lbnd = EdgeList.right(lbnd)) { - callback(lbnd.edge); - } -} -/** -* @param vertices [[x1, y1], [x2, y2], …] -* @returns triangles [[[x1, y1], [x2, y2], [x3, y3]], …] - */ -d3.geom.delaunay = function(vertices) { - var edges = vertices.map(function() { return []; }), - triangles = []; - - // Use the Voronoi tessellation to determine Delaunay edges. - d3_voronoi_tessellate(vertices, function(e) { - edges[e.region.l.index].push(vertices[e.region.r.index]); - }); - - // Reconnect the edges into counterclockwise triangles. - 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; -}; -// Constructs a new quadtree for the specified array of points. A quadtree is a -// two-dimensional recursive spatial subdivision. This implementation uses -// square partitions, dividing each square into four equally-sized squares. Each -// point exists in a unique node; if multiple points are in the same position, -// some points may be stored on internal nodes rather than leaf nodes. Quadtrees -// can be used to accelerate various spatial operations, such as the Barnes-Hut -// approximation for computing n-body forces, or collision detection. -d3.geom.quadtree = function(points, x1, y1, x2, y2) { - var p, - i = -1, - n = points.length; - - // Type conversion for deprecated API. - if (n && isNaN(points[0].x)) points = points.map(d3_geom_quadtreePoint); - - // Allow bounds to be specified explicitly. - if (arguments.length < 5) { - if (arguments.length === 3) { - y2 = x2 = y1; - y1 = x1; - } else { - x1 = y1 = Infinity; - x2 = y2 = -Infinity; - - // Compute bounds. - 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; - } - - // Squarify the bounds. - var dx = x2 - x1, - dy = y2 - y1; - if (dx > dy) y2 = y1 + dx; - else x2 = x1 + dy; - } - } - - // Recursively inserts the specified point p at the node n or one of its - // descendants. The bounds are defined by [x1, x2] and [y1, y2]. - function insert(n, p, x1, y1, x2, y2) { - if (isNaN(p.x) || isNaN(p.y)) return; // ignore invalid points - if (n.leaf) { - var v = n.point; - if (v) { - // If the point at this leaf node is at the same position as the new - // point we are adding, we leave the point associated with the - // internal node while adding the new point to a child node. This - // avoids infinite recursion. - 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); - } - } - - // Recursively inserts the specified point p into a descendant of node n. The - // bounds are defined by [x1, x2] and [y1, y2]. - function insertChild(n, p, x1, y1, x2, y2) { - // Compute the split point, and the quadrant in which to insert p. - var sx = (x1 + x2) * .5, - sy = (y1 + y2) * .5, - right = p.x >= sx, - bottom = p.y >= sy, - i = (bottom << 1) + right; - - // Recursively insert into the child node. - n.leaf = false; - n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode()); - - // Update the bounds as we recurse. - if (right) x1 = sx; else x2 = sx; - if (bottom) y1 = sy; else y2 = sy; - insert(n, p, x1, y1, x2, y2); - } - - // Create the root node. - 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); - }; - - // Insert all points. - 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); - } -} - -function d3_geom_quadtreePoint(p) { - return { - x: p[0], - y: p[1] - }; -} -d3.time = {}; - -var d3_time = Date; - -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; -d3.time.format = function(template) { - var n = template.length; - - function format(date) { - var string = [], - i = -1, - j = 0, - c, - f; - while (++i < n) { - if (template.charCodeAt(i) == 37) { - string.push( - template.substring(j, i), - (f = d3_time_formats[c = template.charAt(++i)]) - ? f(date) : 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; - - // The am-pm flag is 0 for AM, and 1 for PM. - 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; -} - -var d3_time_zfill2 = d3.format("02d"), - d3_time_zfill3 = d3.format("03d"), - d3_time_zfill4 = d3.format("04d"), - d3_time_sfill2 = d3.format("2d"); - -var d3_time_formats = { - a: function(d) { return d3_time_weekdays[d.getDay()].substring(0, 3); }, - A: function(d) { return d3_time_weekdays[d.getDay()]; }, - b: function(d) { return d3_time_months[d.getMonth()].substring(0, 3); }, - B: function(d) { return d3_time_months[d.getMonth()]; }, - c: d3.time.format("%a %b %e %H:%M:%S %Y"), - d: function(d) { return d3_time_zfill2(d.getDate()); }, - e: function(d) { return d3_time_sfill2(d.getDate()); }, - H: function(d) { return d3_time_zfill2(d.getHours()); }, - I: function(d) { return d3_time_zfill2(d.getHours() % 12 || 12); }, - j: function(d) { return d3_time_zfill3(1 + d3.time.dayOfYear(d)); }, - L: function(d) { return d3_time_zfill3(d.getMilliseconds()); }, - m: function(d) { return d3_time_zfill2(d.getMonth() + 1); }, - M: function(d) { return d3_time_zfill2(d.getMinutes()); }, - p: function(d) { return d.getHours() >= 12 ? "PM" : "AM"; }, - S: function(d) { return d3_time_zfill2(d.getSeconds()); }, - U: function(d) { return d3_time_zfill2(d3.time.sundayOfYear(d)); }, - w: function(d) { return d.getDay(); }, - W: function(d) { return d3_time_zfill2(d3.time.mondayOfYear(d)); }, - x: d3.time.format("%m/%d/%y"), - X: d3.time.format("%H:%M:%S"), - y: function(d) { return d3_time_zfill2(d.getFullYear() % 100); }, - Y: function(d) { return d3_time_zfill4(d.getFullYear() % 10000); }, - Z: d3_time_zone, - "%": function(d) { 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, - // j: function(d, s, i) { /*TODO day of year [001,366] */ return i; }, - L: d3_time_parseMilliseconds, - m: d3_time_parseMonthNumber, - M: d3_time_parseMinutes, - p: d3_time_parseAmPm, - S: d3_time_parseSeconds, - // U: function(d, s, i) { /*TODO week number (sunday) [00,53] */ return i; }, - // w: function(d, s, i) { /*TODO weekday [0,6] */ return i; }, - // W: function(d, s, i) { /*TODO week number (monday) [00,53] */ return i; }, - x: d3_time_parseLocaleDate, - X: d3_time_parseLocaleTime, - y: d3_time_parseYear, - Y: d3_time_parseFullYear - // , - // Z: function(d, s, i) { /*TODO time zone */ return i; }, - // "%": function(d, s, i) { /*TODO literal % */ return i; } -}; - -// Note: weekday is validated, but does not set the date. -function d3_time_parseWeekdayAbbrev(date, string, i) { - return d3_time_weekdayAbbrevRe.test(string.substring(i, i += 3)) ? i : -1; -} - -// Note: weekday is validated, but does not set the date. -function d3_time_parseWeekday(date, string, i) { - d3_time_weekdayRe.lastIndex = 0; - var n = d3_time_weekdayRe.exec(string.substring(i, i + 10)); - return n ? i += n[0].length : -1; -} - -var d3_time_weekdayAbbrevRe = /^(?:sun|mon|tue|wed|thu|fri|sat)/i, - d3_time_weekdayRe = /^(?:Sunday|Monday|Tuesday|Wednesday|Thursday|Friday|Saturday)/i; - d3_time_weekdays = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]; - -function d3_time_parseMonthAbbrev(date, string, i) { - var n = d3_time_monthAbbrevLookup.get(string.substring(i, i += 3).toLowerCase()); - return n == null ? -1 : (date.m = n, i); -} - -var d3_time_monthAbbrevLookup = d3.map({ - jan: 0, - feb: 1, - mar: 2, - apr: 3, - may: 4, - jun: 5, - jul: 6, - aug: 7, - sep: 8, - oct: 9, - nov: 10, - dec: 11 -}); - -function d3_time_parseMonth(date, string, i) { - d3_time_monthRe.lastIndex = 0; - var n = d3_time_monthRe.exec(string.substring(i, i + 12)); - return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i += n[0].length) : -1; -} - -var d3_time_monthRe = /^(?:January|February|March|April|May|June|July|August|September|October|November|December)/ig; - -var d3_time_monthLookup = d3.map({ - january: 0, - february: 1, - march: 2, - april: 3, - may: 4, - june: 5, - july: 6, - august: 7, - september: 8, - october: 9, - november: 10, - december: 11 -}); - -var d3_time_months = [ - "January", - "February", - "March", - "April", - "May", - "June", - "July", - "August", - "September", - "October", - "November", - "December" -]; - -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_century() + +n[0], i += n[0].length) : -1; -} - -function d3_time_century() { - return ~~(new Date().getFullYear() / 1000) * 1000; -} - -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; -} - -// Note: we don't validate that the hour is in the range [0,23] or [1,12]. -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; -} - -// Note: we don't look at the next directive. -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 -}); - -// TODO table of time zone offset names? -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_zfill2(zh) + d3_time_zfill2(zm); -} -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) { - return new Date(string); -}; - -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); 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- 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); // DST breaks setSeconds -}, 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); // DST breaks setMinutes -}, 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); // DST breaks setHours -}, 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) { - return new d3_time(date.getFullYear(), date.getMonth(), date.getDate()); -}, 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) / 864e5 - (date.getTimezoneOffset() - year.getTimezoneOffset()) / 1440); -}; -d3_time_weekdays.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); 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- 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); // inclusive upper bound - }; - - scale.tickFormat = function() { - return format; - }; - - scale.copy = function() { - return d3_time_scale(linear.copy(), methods, format); - }; - - // TOOD expose d3_scale_linear_rebind? - return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); -} - -// TODO expose d3_scaleExtent? -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); // Y2K fail - 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, // 1-second - 5e3, // 5-second - 15e3, // 15-second - 3e4, // 30-second - 6e4, // 1-minute - 3e5, // 5-minute - 9e5, // 15-minute - 18e5, // 30-minute - 36e5, // 1-hour - 108e5, // 3-hour - 216e5, // 6-hour - 432e5, // 12-hour - 864e5, // 1-day - 1728e5, // 2-day - 6048e5, // 1-week - 2592e6, // 1-month - 7776e6, // 3-month - 31536e6 // 1-year -]; - -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"), function(d) { return 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"), function(d) { return 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 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\ No newline at end of file diff --git a/visualize/static/visualize.js b/visualize/static/visualize.js index e73171ea..bd7b6679 100644 --- a/visualize/static/visualize.js +++ b/visualize/static/visualize.js @@ -1,3 +1,23 @@ +/* archweb.js + * Homepage: https://projects.archlinux.org/archweb.git/ + * Copyright: 2011 Dan McGee + * License: GPLv2 + * + * This file is part of Archweb. + * + * Archweb is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Archweb is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Archweb. If not, see <http://www.gnu.org/licenses/>. + */ + function packages_treemap(chart_id, orderings, default_order) { var jq_div = jQuery(chart_id), color = d3.scale.category20(); |