0
+ − 1 !function() {
+ − 2 var d3 = {
+ − 3 version: "3.5.3"
+ − 4 };
+ − 5 if (!Date.now) Date.now = function() {
+ − 6 return +new Date();
+ − 7 };
+ − 8 var d3_arraySlice = [].slice, d3_array = function(list) {
+ − 9 return d3_arraySlice.call(list);
+ − 10 };
+ − 11 var d3_document = document, d3_documentElement = d3_document.documentElement, d3_window = window;
+ − 12 try {
+ − 13 d3_array(d3_documentElement.childNodes)[0].nodeType;
+ − 14 } catch (e) {
+ − 15 d3_array = function(list) {
+ − 16 var i = list.length, array = new Array(i);
+ − 17 while (i--) array[i] = list[i];
+ − 18 return array;
+ − 19 };
+ − 20 }
+ − 21 try {
+ − 22 d3_document.createElement("div").style.setProperty("opacity", 0, "");
+ − 23 } catch (error) {
+ − 24 var d3_element_prototype = d3_window.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
+ − 25 d3_element_prototype.setAttribute = function(name, value) {
+ − 26 d3_element_setAttribute.call(this, name, value + "");
+ − 27 };
+ − 28 d3_element_prototype.setAttributeNS = function(space, local, value) {
+ − 29 d3_element_setAttributeNS.call(this, space, local, value + "");
+ − 30 };
+ − 31 d3_style_prototype.setProperty = function(name, value, priority) {
+ − 32 d3_style_setProperty.call(this, name, value + "", priority);
+ − 33 };
+ − 34 }
+ − 35 d3.ascending = d3_ascending;
+ − 36 function d3_ascending(a, b) {
+ − 37 return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+ − 38 }
+ − 39 d3.descending = function(a, b) {
+ − 40 return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+ − 41 };
+ − 42 d3.min = function(array, f) {
+ − 43 var i = -1, n = array.length, a, b;
+ − 44 if (arguments.length === 1) {
+ − 45 while (++i < n) if ((b = array[i]) != null && b >= b) {
+ − 46 a = b;
+ − 47 break;
+ − 48 }
+ − 49 while (++i < n) if ((b = array[i]) != null && a > b) a = b;
+ − 50 } else {
+ − 51 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
+ − 52 a = b;
+ − 53 break;
+ − 54 }
+ − 55 while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
+ − 56 }
+ − 57 return a;
+ − 58 };
+ − 59 d3.max = function(array, f) {
+ − 60 var i = -1, n = array.length, a, b;
+ − 61 if (arguments.length === 1) {
+ − 62 while (++i < n) if ((b = array[i]) != null && b >= b) {
+ − 63 a = b;
+ − 64 break;
+ − 65 }
+ − 66 while (++i < n) if ((b = array[i]) != null && b > a) a = b;
+ − 67 } else {
+ − 68 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
+ − 69 a = b;
+ − 70 break;
+ − 71 }
+ − 72 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
+ − 73 }
+ − 74 return a;
+ − 75 };
+ − 76 d3.extent = function(array, f) {
+ − 77 var i = -1, n = array.length, a, b, c;
+ − 78 if (arguments.length === 1) {
+ − 79 while (++i < n) if ((b = array[i]) != null && b >= b) {
+ − 80 a = c = b;
+ − 81 break;
+ − 82 }
+ − 83 while (++i < n) if ((b = array[i]) != null) {
+ − 84 if (a > b) a = b;
+ − 85 if (c < b) c = b;
+ − 86 }
+ − 87 } else {
+ − 88 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
+ − 89 a = c = b;
+ − 90 break;
+ − 91 }
+ − 92 while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
+ − 93 if (a > b) a = b;
+ − 94 if (c < b) c = b;
+ − 95 }
+ − 96 }
+ − 97 return [ a, c ];
+ − 98 };
+ − 99 function d3_number(x) {
+ − 100 return x === null ? NaN : +x;
+ − 101 }
+ − 102 function d3_numeric(x) {
+ − 103 return !isNaN(x);
+ − 104 }
+ − 105 d3.sum = function(array, f) {
+ − 106 var s = 0, n = array.length, a, i = -1;
+ − 107 if (arguments.length === 1) {
+ − 108 while (++i < n) if (d3_numeric(a = +array[i])) s += a;
+ − 109 } else {
+ − 110 while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a;
+ − 111 }
+ − 112 return s;
+ − 113 };
+ − 114 d3.mean = function(array, f) {
+ − 115 var s = 0, n = array.length, a, i = -1, j = n;
+ − 116 if (arguments.length === 1) {
+ − 117 while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j;
+ − 118 } else {
+ − 119 while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j;
+ − 120 }
+ − 121 if (j) return s / j;
+ − 122 };
+ − 123 d3.quantile = function(values, p) {
+ − 124 var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
+ − 125 return e ? v + e * (values[h] - v) : v;
+ − 126 };
+ − 127 d3.median = function(array, f) {
+ − 128 var numbers = [], n = array.length, a, i = -1;
+ − 129 if (arguments.length === 1) {
+ − 130 while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a);
+ − 131 } else {
+ − 132 while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a);
+ − 133 }
+ − 134 if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5);
+ − 135 };
+ − 136 d3.variance = function(array, f) {
+ − 137 var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0;
+ − 138 if (arguments.length === 1) {
+ − 139 while (++i < n) {
+ − 140 if (d3_numeric(a = d3_number(array[i]))) {
+ − 141 d = a - m;
+ − 142 m += d / ++j;
+ − 143 s += d * (a - m);
+ − 144 }
+ − 145 }
+ − 146 } else {
+ − 147 while (++i < n) {
+ − 148 if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) {
+ − 149 d = a - m;
+ − 150 m += d / ++j;
+ − 151 s += d * (a - m);
+ − 152 }
+ − 153 }
+ − 154 }
+ − 155 if (j > 1) return s / (j - 1);
+ − 156 };
+ − 157 d3.deviation = function() {
+ − 158 var v = d3.variance.apply(this, arguments);
+ − 159 return v ? Math.sqrt(v) : v;
+ − 160 };
+ − 161 function d3_bisector(compare) {
+ − 162 return {
+ − 163 left: function(a, x, lo, hi) {
+ − 164 if (arguments.length < 3) lo = 0;
+ − 165 if (arguments.length < 4) hi = a.length;
+ − 166 while (lo < hi) {
+ − 167 var mid = lo + hi >>> 1;
+ − 168 if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid;
+ − 169 }
+ − 170 return lo;
+ − 171 },
+ − 172 right: function(a, x, lo, hi) {
+ − 173 if (arguments.length < 3) lo = 0;
+ − 174 if (arguments.length < 4) hi = a.length;
+ − 175 while (lo < hi) {
+ − 176 var mid = lo + hi >>> 1;
+ − 177 if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1;
+ − 178 }
+ − 179 return lo;
+ − 180 }
+ − 181 };
+ − 182 }
+ − 183 var d3_bisect = d3_bisector(d3_ascending);
+ − 184 d3.bisectLeft = d3_bisect.left;
+ − 185 d3.bisect = d3.bisectRight = d3_bisect.right;
+ − 186 d3.bisector = function(f) {
+ − 187 return d3_bisector(f.length === 1 ? function(d, x) {
+ − 188 return d3_ascending(f(d), x);
+ − 189 } : f);
+ − 190 };
+ − 191 d3.shuffle = function(array, i0, i1) {
+ − 192 if ((m = arguments.length) < 3) {
+ − 193 i1 = array.length;
+ − 194 if (m < 2) i0 = 0;
+ − 195 }
+ − 196 var m = i1 - i0, t, i;
+ − 197 while (m) {
+ − 198 i = Math.random() * m-- | 0;
+ − 199 t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t;
+ − 200 }
+ − 201 return array;
+ − 202 };
+ − 203 d3.permute = function(array, indexes) {
+ − 204 var i = indexes.length, permutes = new Array(i);
+ − 205 while (i--) permutes[i] = array[indexes[i]];
+ − 206 return permutes;
+ − 207 };
+ − 208 d3.pairs = function(array) {
+ − 209 var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n);
+ − 210 while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ];
+ − 211 return pairs;
+ − 212 };
+ − 213 d3.zip = function() {
+ − 214 if (!(n = arguments.length)) return [];
+ − 215 for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) {
+ − 216 for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) {
+ − 217 zip[j] = arguments[j][i];
+ − 218 }
+ − 219 }
+ − 220 return zips;
+ − 221 };
+ − 222 function d3_zipLength(d) {
+ − 223 return d.length;
+ − 224 }
+ − 225 d3.transpose = function(matrix) {
+ − 226 return d3.zip.apply(d3, matrix);
+ − 227 };
+ − 228 d3.keys = function(map) {
+ − 229 var keys = [];
+ − 230 for (var key in map) keys.push(key);
+ − 231 return keys;
+ − 232 };
+ − 233 d3.values = function(map) {
+ − 234 var values = [];
+ − 235 for (var key in map) values.push(map[key]);
+ − 236 return values;
+ − 237 };
+ − 238 d3.entries = function(map) {
+ − 239 var entries = [];
+ − 240 for (var key in map) entries.push({
+ − 241 key: key,
+ − 242 value: map[key]
+ − 243 });
+ − 244 return entries;
+ − 245 };
+ − 246 d3.merge = function(arrays) {
+ − 247 var n = arrays.length, m, i = -1, j = 0, merged, array;
+ − 248 while (++i < n) j += arrays[i].length;
+ − 249 merged = new Array(j);
+ − 250 while (--n >= 0) {
+ − 251 array = arrays[n];
+ − 252 m = array.length;
+ − 253 while (--m >= 0) {
+ − 254 merged[--j] = array[m];
+ − 255 }
+ − 256 }
+ − 257 return merged;
+ − 258 };
+ − 259 var abs = Math.abs;
+ − 260 d3.range = function(start, stop, step) {
+ − 261 if (arguments.length < 3) {
+ − 262 step = 1;
+ − 263 if (arguments.length < 2) {
+ − 264 stop = start;
+ − 265 start = 0;
+ − 266 }
+ − 267 }
+ − 268 if ((stop - start) / step === Infinity) throw new Error("infinite range");
+ − 269 var range = [], k = d3_range_integerScale(abs(step)), i = -1, j;
+ − 270 start *= k, stop *= k, step *= k;
+ − 271 if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
+ − 272 return range;
+ − 273 };
+ − 274 function d3_range_integerScale(x) {
+ − 275 var k = 1;
+ − 276 while (x * k % 1) k *= 10;
+ − 277 return k;
+ − 278 }
+ − 279 function d3_class(ctor, properties) {
+ − 280 for (var key in properties) {
+ − 281 Object.defineProperty(ctor.prototype, key, {
+ − 282 value: properties[key],
+ − 283 enumerable: false
+ − 284 });
+ − 285 }
+ − 286 }
+ − 287 d3.map = function(object, f) {
+ − 288 var map = new d3_Map();
+ − 289 if (object instanceof d3_Map) {
+ − 290 object.forEach(function(key, value) {
+ − 291 map.set(key, value);
+ − 292 });
+ − 293 } else if (Array.isArray(object)) {
+ − 294 var i = -1, n = object.length, o;
+ − 295 if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o);
+ − 296 } else {
+ − 297 for (var key in object) map.set(key, object[key]);
+ − 298 }
+ − 299 return map;
+ − 300 };
+ − 301 function d3_Map() {
+ − 302 this._ = Object.create(null);
+ − 303 }
+ − 304 var d3_map_proto = "__proto__", d3_map_zero = "\x00";
+ − 305 d3_class(d3_Map, {
+ − 306 has: d3_map_has,
+ − 307 get: function(key) {
+ − 308 return this._[d3_map_escape(key)];
+ − 309 },
+ − 310 set: function(key, value) {
+ − 311 return this._[d3_map_escape(key)] = value;
+ − 312 },
+ − 313 remove: d3_map_remove,
+ − 314 keys: d3_map_keys,
+ − 315 values: function() {
+ − 316 var values = [];
+ − 317 for (var key in this._) values.push(this._[key]);
+ − 318 return values;
+ − 319 },
+ − 320 entries: function() {
+ − 321 var entries = [];
+ − 322 for (var key in this._) entries.push({
+ − 323 key: d3_map_unescape(key),
+ − 324 value: this._[key]
+ − 325 });
+ − 326 return entries;
+ − 327 },
+ − 328 size: d3_map_size,
+ − 329 empty: d3_map_empty,
+ − 330 forEach: function(f) {
+ − 331 for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]);
+ − 332 }
+ − 333 });
+ − 334 function d3_map_escape(key) {
+ − 335 return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key;
+ − 336 }
+ − 337 function d3_map_unescape(key) {
+ − 338 return (key += "")[0] === d3_map_zero ? key.slice(1) : key;
+ − 339 }
+ − 340 function d3_map_has(key) {
+ − 341 return d3_map_escape(key) in this._;
+ − 342 }
+ − 343 function d3_map_remove(key) {
+ − 344 return (key = d3_map_escape(key)) in this._ && delete this._[key];
+ − 345 }
+ − 346 function d3_map_keys() {
+ − 347 var keys = [];
+ − 348 for (var key in this._) keys.push(d3_map_unescape(key));
+ − 349 return keys;
+ − 350 }
+ − 351 function d3_map_size() {
+ − 352 var size = 0;
+ − 353 for (var key in this._) ++size;
+ − 354 return size;
+ − 355 }
+ − 356 function d3_map_empty() {
+ − 357 for (var key in this._) return false;
+ − 358 return true;
+ − 359 }
+ − 360 d3.nest = function() {
+ − 361 var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
+ − 362 function map(mapType, array, depth) {
+ − 363 if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
+ − 364 var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;
+ − 365 while (++i < n) {
+ − 366 if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
+ − 367 values.push(object);
+ − 368 } else {
+ − 369 valuesByKey.set(keyValue, [ object ]);
+ − 370 }
+ − 371 }
+ − 372 if (mapType) {
+ − 373 object = mapType();
+ − 374 setter = function(keyValue, values) {
+ − 375 object.set(keyValue, map(mapType, values, depth));
+ − 376 };
+ − 377 } else {
+ − 378 object = {};
+ − 379 setter = function(keyValue, values) {
+ − 380 object[keyValue] = map(mapType, values, depth);
+ − 381 };
+ − 382 }
+ − 383 valuesByKey.forEach(setter);
+ − 384 return object;
+ − 385 }
+ − 386 function entries(map, depth) {
+ − 387 if (depth >= keys.length) return map;
+ − 388 var array = [], sortKey = sortKeys[depth++];
+ − 389 map.forEach(function(key, keyMap) {
+ − 390 array.push({
+ − 391 key: key,
+ − 392 values: entries(keyMap, depth)
+ − 393 });
+ − 394 });
+ − 395 return sortKey ? array.sort(function(a, b) {
+ − 396 return sortKey(a.key, b.key);
+ − 397 }) : array;
+ − 398 }
+ − 399 nest.map = function(array, mapType) {
+ − 400 return map(mapType, array, 0);
+ − 401 };
+ − 402 nest.entries = function(array) {
+ − 403 return entries(map(d3.map, array, 0), 0);
+ − 404 };
+ − 405 nest.key = function(d) {
+ − 406 keys.push(d);
+ − 407 return nest;
+ − 408 };
+ − 409 nest.sortKeys = function(order) {
+ − 410 sortKeys[keys.length - 1] = order;
+ − 411 return nest;
+ − 412 };
+ − 413 nest.sortValues = function(order) {
+ − 414 sortValues = order;
+ − 415 return nest;
+ − 416 };
+ − 417 nest.rollup = function(f) {
+ − 418 rollup = f;
+ − 419 return nest;
+ − 420 };
+ − 421 return nest;
+ − 422 };
+ − 423 d3.set = function(array) {
+ − 424 var set = new d3_Set();
+ − 425 if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]);
+ − 426 return set;
+ − 427 };
+ − 428 function d3_Set() {
+ − 429 this._ = Object.create(null);
+ − 430 }
+ − 431 d3_class(d3_Set, {
+ − 432 has: d3_map_has,
+ − 433 add: function(key) {
+ − 434 this._[d3_map_escape(key += "")] = true;
+ − 435 return key;
+ − 436 },
+ − 437 remove: d3_map_remove,
+ − 438 values: d3_map_keys,
+ − 439 size: d3_map_size,
+ − 440 empty: d3_map_empty,
+ − 441 forEach: function(f) {
+ − 442 for (var key in this._) f.call(this, d3_map_unescape(key));
+ − 443 }
+ − 444 });
+ − 445 d3.behavior = {};
+ − 446 d3.rebind = function(target, source) {
+ − 447 var i = 1, n = arguments.length, method;
+ − 448 while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
+ − 449 return target;
+ − 450 };
+ − 451 function d3_rebind(target, source, method) {
+ − 452 return function() {
+ − 453 var value = method.apply(source, arguments);
+ − 454 return value === source ? target : value;
+ − 455 };
+ − 456 }
+ − 457 function d3_vendorSymbol(object, name) {
+ − 458 if (name in object) return name;
+ − 459 name = name.charAt(0).toUpperCase() + name.slice(1);
+ − 460 for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) {
+ − 461 var prefixName = d3_vendorPrefixes[i] + name;
+ − 462 if (prefixName in object) return prefixName;
+ − 463 }
+ − 464 }
+ − 465 var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ];
+ − 466 function d3_noop() {}
+ − 467 d3.dispatch = function() {
+ − 468 var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
+ − 469 while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+ − 470 return dispatch;
+ − 471 };
+ − 472 function d3_dispatch() {}
+ − 473 d3_dispatch.prototype.on = function(type, listener) {
+ − 474 var i = type.indexOf("."), name = "";
+ − 475 if (i >= 0) {
+ − 476 name = type.slice(i + 1);
+ − 477 type = type.slice(0, i);
+ − 478 }
+ − 479 if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
+ − 480 if (arguments.length === 2) {
+ − 481 if (listener == null) for (type in this) {
+ − 482 if (this.hasOwnProperty(type)) this[type].on(name, null);
+ − 483 }
+ − 484 return this;
+ − 485 }
+ − 486 };
+ − 487 function d3_dispatch_event(dispatch) {
+ − 488 var listeners = [], listenerByName = new d3_Map();
+ − 489 function event() {
+ − 490 var z = listeners, i = -1, n = z.length, l;
+ − 491 while (++i < n) if (l = z[i].on) l.apply(this, arguments);
+ − 492 return dispatch;
+ − 493 }
+ − 494 event.on = function(name, listener) {
+ − 495 var l = listenerByName.get(name), i;
+ − 496 if (arguments.length < 2) return l && l.on;
+ − 497 if (l) {
+ − 498 l.on = null;
+ − 499 listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
+ − 500 listenerByName.remove(name);
+ − 501 }
+ − 502 if (listener) listeners.push(listenerByName.set(name, {
+ − 503 on: listener
+ − 504 }));
+ − 505 return dispatch;
+ − 506 };
+ − 507 return event;
+ − 508 }
+ − 509 d3.event = null;
+ − 510 function d3_eventPreventDefault() {
+ − 511 d3.event.preventDefault();
+ − 512 }
+ − 513 function d3_eventSource() {
+ − 514 var e = d3.event, s;
+ − 515 while (s = e.sourceEvent) e = s;
+ − 516 return e;
+ − 517 }
+ − 518 function d3_eventDispatch(target) {
+ − 519 var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
+ − 520 while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+ − 521 dispatch.of = function(thiz, argumentz) {
+ − 522 return function(e1) {
+ − 523 try {
+ − 524 var e0 = e1.sourceEvent = d3.event;
+ − 525 e1.target = target;
+ − 526 d3.event = e1;
+ − 527 dispatch[e1.type].apply(thiz, argumentz);
+ − 528 } finally {
+ − 529 d3.event = e0;
+ − 530 }
+ − 531 };
+ − 532 };
+ − 533 return dispatch;
+ − 534 }
+ − 535 d3.requote = function(s) {
+ − 536 return s.replace(d3_requote_re, "\\$&");
+ − 537 };
+ − 538 var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
+ − 539 var d3_subclass = {}.__proto__ ? function(object, prototype) {
+ − 540 object.__proto__ = prototype;
+ − 541 } : function(object, prototype) {
+ − 542 for (var property in prototype) object[property] = prototype[property];
+ − 543 };
+ − 544 function d3_selection(groups) {
+ − 545 d3_subclass(groups, d3_selectionPrototype);
+ − 546 return groups;
+ − 547 }
+ − 548 var d3_select = function(s, n) {
+ − 549 return n.querySelector(s);
+ − 550 }, d3_selectAll = function(s, n) {
+ − 551 return n.querySelectorAll(s);
+ − 552 }, d3_selectMatcher = d3_documentElement.matches || d3_documentElement[d3_vendorSymbol(d3_documentElement, "matchesSelector")], d3_selectMatches = function(n, s) {
+ − 553 return d3_selectMatcher.call(n, s);
+ − 554 };
+ − 555 if (typeof Sizzle === "function") {
+ − 556 d3_select = function(s, n) {
+ − 557 return Sizzle(s, n)[0] || null;
+ − 558 };
+ − 559 d3_selectAll = Sizzle;
+ − 560 d3_selectMatches = Sizzle.matchesSelector;
+ − 561 }
+ − 562 d3.selection = function() {
+ − 563 return d3_selectionRoot;
+ − 564 };
+ − 565 var d3_selectionPrototype = d3.selection.prototype = [];
+ − 566 d3_selectionPrototype.select = function(selector) {
+ − 567 var subgroups = [], subgroup, subnode, group, node;
+ − 568 selector = d3_selection_selector(selector);
+ − 569 for (var j = -1, m = this.length; ++j < m; ) {
+ − 570 subgroups.push(subgroup = []);
+ − 571 subgroup.parentNode = (group = this[j]).parentNode;
+ − 572 for (var i = -1, n = group.length; ++i < n; ) {
+ − 573 if (node = group[i]) {
+ − 574 subgroup.push(subnode = selector.call(node, node.__data__, i, j));
+ − 575 if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
+ − 576 } else {
+ − 577 subgroup.push(null);
+ − 578 }
+ − 579 }
+ − 580 }
+ − 581 return d3_selection(subgroups);
+ − 582 };
+ − 583 function d3_selection_selector(selector) {
+ − 584 return typeof selector === "function" ? selector : function() {
+ − 585 return d3_select(selector, this);
+ − 586 };
+ − 587 }
+ − 588 d3_selectionPrototype.selectAll = function(selector) {
+ − 589 var subgroups = [], subgroup, node;
+ − 590 selector = d3_selection_selectorAll(selector);
+ − 591 for (var j = -1, m = this.length; ++j < m; ) {
+ − 592 for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ − 593 if (node = group[i]) {
+ − 594 subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j)));
+ − 595 subgroup.parentNode = node;
+ − 596 }
+ − 597 }
+ − 598 }
+ − 599 return d3_selection(subgroups);
+ − 600 };
+ − 601 function d3_selection_selectorAll(selector) {
+ − 602 return typeof selector === "function" ? selector : function() {
+ − 603 return d3_selectAll(selector, this);
+ − 604 };
+ − 605 }
+ − 606 var d3_nsPrefix = {
+ − 607 svg: "http://www.w3.org/2000/svg",
+ − 608 xhtml: "http://www.w3.org/1999/xhtml",
+ − 609 xlink: "http://www.w3.org/1999/xlink",
+ − 610 xml: "http://www.w3.org/XML/1998/namespace",
+ − 611 xmlns: "http://www.w3.org/2000/xmlns/"
+ − 612 };
+ − 613 d3.ns = {
+ − 614 prefix: d3_nsPrefix,
+ − 615 qualify: function(name) {
+ − 616 var i = name.indexOf(":"), prefix = name;
+ − 617 if (i >= 0) {
+ − 618 prefix = name.slice(0, i);
+ − 619 name = name.slice(i + 1);
+ − 620 }
+ − 621 return d3_nsPrefix.hasOwnProperty(prefix) ? {
+ − 622 space: d3_nsPrefix[prefix],
+ − 623 local: name
+ − 624 } : name;
+ − 625 }
+ − 626 };
+ − 627 d3_selectionPrototype.attr = function(name, value) {
+ − 628 if (arguments.length < 2) {
+ − 629 if (typeof name === "string") {
+ − 630 var node = this.node();
+ − 631 name = d3.ns.qualify(name);
+ − 632 return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
+ − 633 }
+ − 634 for (value in name) this.each(d3_selection_attr(value, name[value]));
+ − 635 return this;
+ − 636 }
+ − 637 return this.each(d3_selection_attr(name, value));
+ − 638 };
+ − 639 function d3_selection_attr(name, value) {
+ − 640 name = d3.ns.qualify(name);
+ − 641 function attrNull() {
+ − 642 this.removeAttribute(name);
+ − 643 }
+ − 644 function attrNullNS() {
+ − 645 this.removeAttributeNS(name.space, name.local);
+ − 646 }
+ − 647 function attrConstant() {
+ − 648 this.setAttribute(name, value);
+ − 649 }
+ − 650 function attrConstantNS() {
+ − 651 this.setAttributeNS(name.space, name.local, value);
+ − 652 }
+ − 653 function attrFunction() {
+ − 654 var x = value.apply(this, arguments);
+ − 655 if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
+ − 656 }
+ − 657 function attrFunctionNS() {
+ − 658 var x = value.apply(this, arguments);
+ − 659 if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
+ − 660 }
+ − 661 return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
+ − 662 }
+ − 663 function d3_collapse(s) {
+ − 664 return s.trim().replace(/\s+/g, " ");
+ − 665 }
+ − 666 d3_selectionPrototype.classed = function(name, value) {
+ − 667 if (arguments.length < 2) {
+ − 668 if (typeof name === "string") {
+ − 669 var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1;
+ − 670 if (value = node.classList) {
+ − 671 while (++i < n) if (!value.contains(name[i])) return false;
+ − 672 } else {
+ − 673 value = node.getAttribute("class");
+ − 674 while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
+ − 675 }
+ − 676 return true;
+ − 677 }
+ − 678 for (value in name) this.each(d3_selection_classed(value, name[value]));
+ − 679 return this;
+ − 680 }
+ − 681 return this.each(d3_selection_classed(name, value));
+ − 682 };
+ − 683 function d3_selection_classedRe(name) {
+ − 684 return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
+ − 685 }
+ − 686 function d3_selection_classes(name) {
+ − 687 return (name + "").trim().split(/^|\s+/);
+ − 688 }
+ − 689 function d3_selection_classed(name, value) {
+ − 690 name = d3_selection_classes(name).map(d3_selection_classedName);
+ − 691 var n = name.length;
+ − 692 function classedConstant() {
+ − 693 var i = -1;
+ − 694 while (++i < n) name[i](this, value);
+ − 695 }
+ − 696 function classedFunction() {
+ − 697 var i = -1, x = value.apply(this, arguments);
+ − 698 while (++i < n) name[i](this, x);
+ − 699 }
+ − 700 return typeof value === "function" ? classedFunction : classedConstant;
+ − 701 }
+ − 702 function d3_selection_classedName(name) {
+ − 703 var re = d3_selection_classedRe(name);
+ − 704 return function(node, value) {
+ − 705 if (c = node.classList) return value ? c.add(name) : c.remove(name);
+ − 706 var c = node.getAttribute("class") || "";
+ − 707 if (value) {
+ − 708 re.lastIndex = 0;
+ − 709 if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));
+ − 710 } else {
+ − 711 node.setAttribute("class", d3_collapse(c.replace(re, " ")));
+ − 712 }
+ − 713 };
+ − 714 }
+ − 715 d3_selectionPrototype.style = function(name, value, priority) {
+ − 716 var n = arguments.length;
+ − 717 if (n < 3) {
+ − 718 if (typeof name !== "string") {
+ − 719 if (n < 2) value = "";
+ − 720 for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
+ − 721 return this;
+ − 722 }
+ − 723 if (n < 2) return d3_window.getComputedStyle(this.node(), null).getPropertyValue(name);
+ − 724 priority = "";
+ − 725 }
+ − 726 return this.each(d3_selection_style(name, value, priority));
+ − 727 };
+ − 728 function d3_selection_style(name, value, priority) {
+ − 729 function styleNull() {
+ − 730 this.style.removeProperty(name);
+ − 731 }
+ − 732 function styleConstant() {
+ − 733 this.style.setProperty(name, value, priority);
+ − 734 }
+ − 735 function styleFunction() {
+ − 736 var x = value.apply(this, arguments);
+ − 737 if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
+ − 738 }
+ − 739 return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
+ − 740 }
+ − 741 d3_selectionPrototype.property = function(name, value) {
+ − 742 if (arguments.length < 2) {
+ − 743 if (typeof name === "string") return this.node()[name];
+ − 744 for (value in name) this.each(d3_selection_property(value, name[value]));
+ − 745 return this;
+ − 746 }
+ − 747 return this.each(d3_selection_property(name, value));
+ − 748 };
+ − 749 function d3_selection_property(name, value) {
+ − 750 function propertyNull() {
+ − 751 delete this[name];
+ − 752 }
+ − 753 function propertyConstant() {
+ − 754 this[name] = value;
+ − 755 }
+ − 756 function propertyFunction() {
+ − 757 var x = value.apply(this, arguments);
+ − 758 if (x == null) delete this[name]; else this[name] = x;
+ − 759 }
+ − 760 return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
+ − 761 }
+ − 762 d3_selectionPrototype.text = function(value) {
+ − 763 return arguments.length ? this.each(typeof value === "function" ? function() {
+ − 764 var v = value.apply(this, arguments);
+ − 765 this.textContent = v == null ? "" : v;
+ − 766 } : value == null ? function() {
+ − 767 this.textContent = "";
+ − 768 } : function() {
+ − 769 this.textContent = value;
+ − 770 }) : this.node().textContent;
+ − 771 };
+ − 772 d3_selectionPrototype.html = function(value) {
+ − 773 return arguments.length ? this.each(typeof value === "function" ? function() {
+ − 774 var v = value.apply(this, arguments);
+ − 775 this.innerHTML = v == null ? "" : v;
+ − 776 } : value == null ? function() {
+ − 777 this.innerHTML = "";
+ − 778 } : function() {
+ − 779 this.innerHTML = value;
+ − 780 }) : this.node().innerHTML;
+ − 781 };
+ − 782 d3_selectionPrototype.append = function(name) {
+ − 783 name = d3_selection_creator(name);
+ − 784 return this.select(function() {
+ − 785 return this.appendChild(name.apply(this, arguments));
+ − 786 });
+ − 787 };
+ − 788 function d3_selection_creator(name) {
+ − 789 return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? function() {
+ − 790 return this.ownerDocument.createElementNS(name.space, name.local);
+ − 791 } : function() {
+ − 792 return this.ownerDocument.createElementNS(this.namespaceURI, name);
+ − 793 };
+ − 794 }
+ − 795 d3_selectionPrototype.insert = function(name, before) {
+ − 796 name = d3_selection_creator(name);
+ − 797 before = d3_selection_selector(before);
+ − 798 return this.select(function() {
+ − 799 return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null);
+ − 800 });
+ − 801 };
+ − 802 d3_selectionPrototype.remove = function() {
+ − 803 return this.each(d3_selectionRemove);
+ − 804 };
+ − 805 function d3_selectionRemove() {
+ − 806 var parent = this.parentNode;
+ − 807 if (parent) parent.removeChild(this);
+ − 808 }
+ − 809 d3_selectionPrototype.data = function(value, key) {
+ − 810 var i = -1, n = this.length, group, node;
+ − 811 if (!arguments.length) {
+ − 812 value = new Array(n = (group = this[0]).length);
+ − 813 while (++i < n) {
+ − 814 if (node = group[i]) {
+ − 815 value[i] = node.__data__;
+ − 816 }
+ − 817 }
+ − 818 return value;
+ − 819 }
+ − 820 function bind(group, groupData) {
+ − 821 var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData;
+ − 822 if (key) {
+ − 823 var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue;
+ − 824 for (i = -1; ++i < n; ) {
+ − 825 if (nodeByKeyValue.has(keyValue = key.call(node = group[i], node.__data__, i))) {
+ − 826 exitNodes[i] = node;
+ − 827 } else {
+ − 828 nodeByKeyValue.set(keyValue, node);
+ − 829 }
+ − 830 keyValues[i] = keyValue;
+ − 831 }
+ − 832 for (i = -1; ++i < m; ) {
+ − 833 if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) {
+ − 834 enterNodes[i] = d3_selection_dataNode(nodeData);
+ − 835 } else if (node !== true) {
+ − 836 updateNodes[i] = node;
+ − 837 node.__data__ = nodeData;
+ − 838 }
+ − 839 nodeByKeyValue.set(keyValue, true);
+ − 840 }
+ − 841 for (i = -1; ++i < n; ) {
+ − 842 if (nodeByKeyValue.get(keyValues[i]) !== true) {
+ − 843 exitNodes[i] = group[i];
+ − 844 }
+ − 845 }
+ − 846 } else {
+ − 847 for (i = -1; ++i < n0; ) {
+ − 848 node = group[i];
+ − 849 nodeData = groupData[i];
+ − 850 if (node) {
+ − 851 node.__data__ = nodeData;
+ − 852 updateNodes[i] = node;
+ − 853 } else {
+ − 854 enterNodes[i] = d3_selection_dataNode(nodeData);
+ − 855 }
+ − 856 }
+ − 857 for (;i < m; ++i) {
+ − 858 enterNodes[i] = d3_selection_dataNode(groupData[i]);
+ − 859 }
+ − 860 for (;i < n; ++i) {
+ − 861 exitNodes[i] = group[i];
+ − 862 }
+ − 863 }
+ − 864 enterNodes.update = updateNodes;
+ − 865 enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
+ − 866 enter.push(enterNodes);
+ − 867 update.push(updateNodes);
+ − 868 exit.push(exitNodes);
+ − 869 }
+ − 870 var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
+ − 871 if (typeof value === "function") {
+ − 872 while (++i < n) {
+ − 873 bind(group = this[i], value.call(group, group.parentNode.__data__, i));
+ − 874 }
+ − 875 } else {
+ − 876 while (++i < n) {
+ − 877 bind(group = this[i], value);
+ − 878 }
+ − 879 }
+ − 880 update.enter = function() {
+ − 881 return enter;
+ − 882 };
+ − 883 update.exit = function() {
+ − 884 return exit;
+ − 885 };
+ − 886 return update;
+ − 887 };
+ − 888 function d3_selection_dataNode(data) {
+ − 889 return {
+ − 890 __data__: data
+ − 891 };
+ − 892 }
+ − 893 d3_selectionPrototype.datum = function(value) {
+ − 894 return arguments.length ? this.property("__data__", value) : this.property("__data__");
+ − 895 };
+ − 896 d3_selectionPrototype.filter = function(filter) {
+ − 897 var subgroups = [], subgroup, group, node;
+ − 898 if (typeof filter !== "function") filter = d3_selection_filter(filter);
+ − 899 for (var j = 0, m = this.length; j < m; j++) {
+ − 900 subgroups.push(subgroup = []);
+ − 901 subgroup.parentNode = (group = this[j]).parentNode;
+ − 902 for (var i = 0, n = group.length; i < n; i++) {
+ − 903 if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
+ − 904 subgroup.push(node);
+ − 905 }
+ − 906 }
+ − 907 }
+ − 908 return d3_selection(subgroups);
+ − 909 };
+ − 910 function d3_selection_filter(selector) {
+ − 911 return function() {
+ − 912 return d3_selectMatches(this, selector);
+ − 913 };
+ − 914 }
+ − 915 d3_selectionPrototype.order = function() {
+ − 916 for (var j = -1, m = this.length; ++j < m; ) {
+ − 917 for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
+ − 918 if (node = group[i]) {
+ − 919 if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
+ − 920 next = node;
+ − 921 }
+ − 922 }
+ − 923 }
+ − 924 return this;
+ − 925 };
+ − 926 d3_selectionPrototype.sort = function(comparator) {
+ − 927 comparator = d3_selection_sortComparator.apply(this, arguments);
+ − 928 for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
+ − 929 return this.order();
+ − 930 };
+ − 931 function d3_selection_sortComparator(comparator) {
+ − 932 if (!arguments.length) comparator = d3_ascending;
+ − 933 return function(a, b) {
+ − 934 return a && b ? comparator(a.__data__, b.__data__) : !a - !b;
+ − 935 };
+ − 936 }
+ − 937 d3_selectionPrototype.each = function(callback) {
+ − 938 return d3_selection_each(this, function(node, i, j) {
+ − 939 callback.call(node, node.__data__, i, j);
+ − 940 });
+ − 941 };
+ − 942 function d3_selection_each(groups, callback) {
+ − 943 for (var j = 0, m = groups.length; j < m; j++) {
+ − 944 for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
+ − 945 if (node = group[i]) callback(node, i, j);
+ − 946 }
+ − 947 }
+ − 948 return groups;
+ − 949 }
+ − 950 d3_selectionPrototype.call = function(callback) {
+ − 951 var args = d3_array(arguments);
+ − 952 callback.apply(args[0] = this, args);
+ − 953 return this;
+ − 954 };
+ − 955 d3_selectionPrototype.empty = function() {
+ − 956 return !this.node();
+ − 957 };
+ − 958 d3_selectionPrototype.node = function() {
+ − 959 for (var j = 0, m = this.length; j < m; j++) {
+ − 960 for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+ − 961 var node = group[i];
+ − 962 if (node) return node;
+ − 963 }
+ − 964 }
+ − 965 return null;
+ − 966 };
+ − 967 d3_selectionPrototype.size = function() {
+ − 968 var n = 0;
+ − 969 d3_selection_each(this, function() {
+ − 970 ++n;
+ − 971 });
+ − 972 return n;
+ − 973 };
+ − 974 function d3_selection_enter(selection) {
+ − 975 d3_subclass(selection, d3_selection_enterPrototype);
+ − 976 return selection;
+ − 977 }
+ − 978 var d3_selection_enterPrototype = [];
+ − 979 d3.selection.enter = d3_selection_enter;
+ − 980 d3.selection.enter.prototype = d3_selection_enterPrototype;
+ − 981 d3_selection_enterPrototype.append = d3_selectionPrototype.append;
+ − 982 d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
+ − 983 d3_selection_enterPrototype.node = d3_selectionPrototype.node;
+ − 984 d3_selection_enterPrototype.call = d3_selectionPrototype.call;
+ − 985 d3_selection_enterPrototype.size = d3_selectionPrototype.size;
+ − 986 d3_selection_enterPrototype.select = function(selector) {
+ − 987 var subgroups = [], subgroup, subnode, upgroup, group, node;
+ − 988 for (var j = -1, m = this.length; ++j < m; ) {
+ − 989 upgroup = (group = this[j]).update;
+ − 990 subgroups.push(subgroup = []);
+ − 991 subgroup.parentNode = group.parentNode;
+ − 992 for (var i = -1, n = group.length; ++i < n; ) {
+ − 993 if (node = group[i]) {
+ − 994 subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j));
+ − 995 subnode.__data__ = node.__data__;
+ − 996 } else {
+ − 997 subgroup.push(null);
+ − 998 }
+ − 999 }
+ − 1000 }
+ − 1001 return d3_selection(subgroups);
+ − 1002 };
+ − 1003 d3_selection_enterPrototype.insert = function(name, before) {
+ − 1004 if (arguments.length < 2) before = d3_selection_enterInsertBefore(this);
+ − 1005 return d3_selectionPrototype.insert.call(this, name, before);
+ − 1006 };
+ − 1007 function d3_selection_enterInsertBefore(enter) {
+ − 1008 var i0, j0;
+ − 1009 return function(d, i, j) {
+ − 1010 var group = enter[j].update, n = group.length, node;
+ − 1011 if (j != j0) j0 = j, i0 = 0;
+ − 1012 if (i >= i0) i0 = i + 1;
+ − 1013 while (!(node = group[i0]) && ++i0 < n) ;
+ − 1014 return node;
+ − 1015 };
+ − 1016 }
+ − 1017 d3.select = function(node) {
+ − 1018 var group = [ typeof node === "string" ? d3_select(node, d3_document) : node ];
+ − 1019 group.parentNode = d3_documentElement;
+ − 1020 return d3_selection([ group ]);
+ − 1021 };
+ − 1022 d3.selectAll = function(nodes) {
+ − 1023 var group = d3_array(typeof nodes === "string" ? d3_selectAll(nodes, d3_document) : nodes);
+ − 1024 group.parentNode = d3_documentElement;
+ − 1025 return d3_selection([ group ]);
+ − 1026 };
+ − 1027 var d3_selectionRoot = d3.select(d3_documentElement);
+ − 1028 d3_selectionPrototype.on = function(type, listener, capture) {
+ − 1029 var n = arguments.length;
+ − 1030 if (n < 3) {
+ − 1031 if (typeof type !== "string") {
+ − 1032 if (n < 2) listener = false;
+ − 1033 for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
+ − 1034 return this;
+ − 1035 }
+ − 1036 if (n < 2) return (n = this.node()["__on" + type]) && n._;
+ − 1037 capture = false;
+ − 1038 }
+ − 1039 return this.each(d3_selection_on(type, listener, capture));
+ − 1040 };
+ − 1041 function d3_selection_on(type, listener, capture) {
+ − 1042 var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;
+ − 1043 if (i > 0) type = type.slice(0, i);
+ − 1044 var filter = d3_selection_onFilters.get(type);
+ − 1045 if (filter) type = filter, wrap = d3_selection_onFilter;
+ − 1046 function onRemove() {
+ − 1047 var l = this[name];
+ − 1048 if (l) {
+ − 1049 this.removeEventListener(type, l, l.$);
+ − 1050 delete this[name];
+ − 1051 }
+ − 1052 }
+ − 1053 function onAdd() {
+ − 1054 var l = wrap(listener, d3_array(arguments));
+ − 1055 onRemove.call(this);
+ − 1056 this.addEventListener(type, this[name] = l, l.$ = capture);
+ − 1057 l._ = listener;
+ − 1058 }
+ − 1059 function removeAll() {
+ − 1060 var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;
+ − 1061 for (var name in this) {
+ − 1062 if (match = name.match(re)) {
+ − 1063 var l = this[name];
+ − 1064 this.removeEventListener(match[1], l, l.$);
+ − 1065 delete this[name];
+ − 1066 }
+ − 1067 }
+ − 1068 }
+ − 1069 return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;
+ − 1070 }
+ − 1071 var d3_selection_onFilters = d3.map({
+ − 1072 mouseenter: "mouseover",
+ − 1073 mouseleave: "mouseout"
+ − 1074 });
+ − 1075 d3_selection_onFilters.forEach(function(k) {
+ − 1076 if ("on" + k in d3_document) d3_selection_onFilters.remove(k);
+ − 1077 });
+ − 1078 function d3_selection_onListener(listener, argumentz) {
+ − 1079 return function(e) {
+ − 1080 var o = d3.event;
+ − 1081 d3.event = e;
+ − 1082 argumentz[0] = this.__data__;
+ − 1083 try {
+ − 1084 listener.apply(this, argumentz);
+ − 1085 } finally {
+ − 1086 d3.event = o;
+ − 1087 }
+ − 1088 };
+ − 1089 }
+ − 1090 function d3_selection_onFilter(listener, argumentz) {
+ − 1091 var l = d3_selection_onListener(listener, argumentz);
+ − 1092 return function(e) {
+ − 1093 var target = this, related = e.relatedTarget;
+ − 1094 if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {
+ − 1095 l.call(target, e);
+ − 1096 }
+ − 1097 };
+ − 1098 }
+ − 1099 var d3_event_dragSelect = "onselectstart" in d3_document ? null : d3_vendorSymbol(d3_documentElement.style, "userSelect"), d3_event_dragId = 0;
+ − 1100 function d3_event_dragSuppress() {
+ − 1101 var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault);
+ − 1102 if (d3_event_dragSelect) {
+ − 1103 var style = d3_documentElement.style, select = style[d3_event_dragSelect];
+ − 1104 style[d3_event_dragSelect] = "none";
+ − 1105 }
+ − 1106 return function(suppressClick) {
+ − 1107 w.on(name, null);
+ − 1108 if (d3_event_dragSelect) style[d3_event_dragSelect] = select;
+ − 1109 if (suppressClick) {
+ − 1110 var off = function() {
+ − 1111 w.on(click, null);
+ − 1112 };
+ − 1113 w.on(click, function() {
+ − 1114 d3_eventPreventDefault();
+ − 1115 off();
+ − 1116 }, true);
+ − 1117 setTimeout(off, 0);
+ − 1118 }
+ − 1119 };
+ − 1120 }
+ − 1121 d3.mouse = function(container) {
+ − 1122 return d3_mousePoint(container, d3_eventSource());
+ − 1123 };
+ − 1124 var d3_mouse_bug44083 = /WebKit/.test(d3_window.navigator.userAgent) ? -1 : 0;
+ − 1125 function d3_mousePoint(container, e) {
+ − 1126 if (e.changedTouches) e = e.changedTouches[0];
+ − 1127 var svg = container.ownerSVGElement || container;
+ − 1128 if (svg.createSVGPoint) {
+ − 1129 var point = svg.createSVGPoint();
+ − 1130 if (d3_mouse_bug44083 < 0 && (d3_window.scrollX || d3_window.scrollY)) {
+ − 1131 svg = d3.select("body").append("svg").style({
+ − 1132 position: "absolute",
+ − 1133 top: 0,
+ − 1134 left: 0,
+ − 1135 margin: 0,
+ − 1136 padding: 0,
+ − 1137 border: "none"
+ − 1138 }, "important");
+ − 1139 var ctm = svg[0][0].getScreenCTM();
+ − 1140 d3_mouse_bug44083 = !(ctm.f || ctm.e);
+ − 1141 svg.remove();
+ − 1142 }
+ − 1143 if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX,
+ − 1144 point.y = e.clientY;
+ − 1145 point = point.matrixTransform(container.getScreenCTM().inverse());
+ − 1146 return [ point.x, point.y ];
+ − 1147 }
+ − 1148 var rect = container.getBoundingClientRect();
+ − 1149 return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
+ − 1150 }
+ − 1151 d3.touch = function(container, touches, identifier) {
+ − 1152 if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches;
+ − 1153 if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) {
+ − 1154 if ((touch = touches[i]).identifier === identifier) {
+ − 1155 return d3_mousePoint(container, touch);
+ − 1156 }
+ − 1157 }
+ − 1158 };
+ − 1159 d3.behavior.drag = function() {
+ − 1160 var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_behavior_dragMouseSubject, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_behavior_dragTouchSubject, "touchmove", "touchend");
+ − 1161 function drag() {
+ − 1162 this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart);
+ − 1163 }
+ − 1164 function dragstart(id, position, subject, move, end) {
+ − 1165 return function() {
+ − 1166 var that = this, target = d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject()).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(), position0 = position(parent, dragId);
+ − 1167 if (origin) {
+ − 1168 dragOffset = origin.apply(that, arguments);
+ − 1169 dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ];
+ − 1170 } else {
+ − 1171 dragOffset = [ 0, 0 ];
+ − 1172 }
+ − 1173 dispatch({
+ − 1174 type: "dragstart"
+ − 1175 });
+ − 1176 function moved() {
+ − 1177 var position1 = position(parent, dragId), dx, dy;
+ − 1178 if (!position1) return;
+ − 1179 dx = position1[0] - position0[0];
+ − 1180 dy = position1[1] - position0[1];
+ − 1181 dragged |= dx | dy;
+ − 1182 position0 = position1;
+ − 1183 dispatch({
+ − 1184 type: "drag",
+ − 1185 x: position1[0] + dragOffset[0],
+ − 1186 y: position1[1] + dragOffset[1],
+ − 1187 dx: dx,
+ − 1188 dy: dy
+ − 1189 });
+ − 1190 }
+ − 1191 function ended() {
+ − 1192 if (!position(parent, dragId)) return;
+ − 1193 dragSubject.on(move + dragName, null).on(end + dragName, null);
+ − 1194 dragRestore(dragged && d3.event.target === target);
+ − 1195 dispatch({
+ − 1196 type: "dragend"
+ − 1197 });
+ − 1198 }
+ − 1199 };
+ − 1200 }
+ − 1201 drag.origin = function(x) {
+ − 1202 if (!arguments.length) return origin;
+ − 1203 origin = x;
+ − 1204 return drag;
+ − 1205 };
+ − 1206 return d3.rebind(drag, event, "on");
+ − 1207 };
+ − 1208 function d3_behavior_dragTouchId() {
+ − 1209 return d3.event.changedTouches[0].identifier;
+ − 1210 }
+ − 1211 function d3_behavior_dragTouchSubject() {
+ − 1212 return d3.event.target;
+ − 1213 }
+ − 1214 function d3_behavior_dragMouseSubject() {
+ − 1215 return d3_window;
+ − 1216 }
+ − 1217 d3.touches = function(container, touches) {
+ − 1218 if (arguments.length < 2) touches = d3_eventSource().touches;
+ − 1219 return touches ? d3_array(touches).map(function(touch) {
+ − 1220 var point = d3_mousePoint(container, touch);
+ − 1221 point.identifier = touch.identifier;
+ − 1222 return point;
+ − 1223 }) : [];
+ − 1224 };
+ − 1225 var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π;
+ − 1226 function d3_sgn(x) {
+ − 1227 return x > 0 ? 1 : x < 0 ? -1 : 0;
+ − 1228 }
+ − 1229 function d3_cross2d(a, b, c) {
+ − 1230 return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
+ − 1231 }
+ − 1232 function d3_acos(x) {
+ − 1233 return x > 1 ? 0 : x < -1 ? π : Math.acos(x);
+ − 1234 }
+ − 1235 function d3_asin(x) {
+ − 1236 return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x);
+ − 1237 }
+ − 1238 function d3_sinh(x) {
+ − 1239 return ((x = Math.exp(x)) - 1 / x) / 2;
+ − 1240 }
+ − 1241 function d3_cosh(x) {
+ − 1242 return ((x = Math.exp(x)) + 1 / x) / 2;
+ − 1243 }
+ − 1244 function d3_tanh(x) {
+ − 1245 return ((x = Math.exp(2 * x)) - 1) / (x + 1);
+ − 1246 }
+ − 1247 function d3_haversin(x) {
+ − 1248 return (x = Math.sin(x / 2)) * x;
+ − 1249 }
+ − 1250 var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4;
+ − 1251 d3.interpolateZoom = function(p0, p1) {
+ − 1252 var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2];
+ − 1253 var dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1), dr = r1 - r0, S = (dr || Math.log(w1 / w0)) / ρ;
+ − 1254 function interpolate(t) {
+ − 1255 var s = t * S;
+ − 1256 if (dr) {
+ − 1257 var coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0));
+ − 1258 return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ];
+ − 1259 }
+ − 1260 return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * s) ];
+ − 1261 }
+ − 1262 interpolate.duration = S * 1e3;
+ − 1263 return interpolate;
+ − 1264 };
+ − 1265 d3.behavior.zoom = function() {
+ − 1266 var view = {
+ − 1267 x: 0,
+ − 1268 y: 0,
+ − 1269 k: 1
+ − 1270 }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1;
+ − 1271 function zoom(g) {
+ − 1272 g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted);
+ − 1273 }
+ − 1274 zoom.event = function(g) {
+ − 1275 g.each(function() {
+ − 1276 var dispatch = event.of(this, arguments), view1 = view;
+ − 1277 if (d3_transitionInheritId) {
+ − 1278 d3.select(this).transition().each("start.zoom", function() {
+ − 1279 view = this.__chart__ || {
+ − 1280 x: 0,
+ − 1281 y: 0,
+ − 1282 k: 1
+ − 1283 };
+ − 1284 zoomstarted(dispatch);
+ − 1285 }).tween("zoom:zoom", function() {
+ − 1286 var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]);
+ − 1287 return function(t) {
+ − 1288 var l = i(t), k = dx / l[2];
+ − 1289 this.__chart__ = view = {
+ − 1290 x: cx - l[0] * k,
+ − 1291 y: cy - l[1] * k,
+ − 1292 k: k
+ − 1293 };
+ − 1294 zoomed(dispatch);
+ − 1295 };
+ − 1296 }).each("interrupt.zoom", function() {
+ − 1297 zoomended(dispatch);
+ − 1298 }).each("end.zoom", function() {
+ − 1299 zoomended(dispatch);
+ − 1300 });
+ − 1301 } else {
+ − 1302 this.__chart__ = view;
+ − 1303 zoomstarted(dispatch);
+ − 1304 zoomed(dispatch);
+ − 1305 zoomended(dispatch);
+ − 1306 }
+ − 1307 });
+ − 1308 };
+ − 1309 zoom.translate = function(_) {
+ − 1310 if (!arguments.length) return [ view.x, view.y ];
+ − 1311 view = {
+ − 1312 x: +_[0],
+ − 1313 y: +_[1],
+ − 1314 k: view.k
+ − 1315 };
+ − 1316 rescale();
+ − 1317 return zoom;
+ − 1318 };
+ − 1319 zoom.scale = function(_) {
+ − 1320 if (!arguments.length) return view.k;
+ − 1321 view = {
+ − 1322 x: view.x,
+ − 1323 y: view.y,
+ − 1324 k: +_
+ − 1325 };
+ − 1326 rescale();
+ − 1327 return zoom;
+ − 1328 };
+ − 1329 zoom.scaleExtent = function(_) {
+ − 1330 if (!arguments.length) return scaleExtent;
+ − 1331 scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ];
+ − 1332 return zoom;
+ − 1333 };
+ − 1334 zoom.center = function(_) {
+ − 1335 if (!arguments.length) return center;
+ − 1336 center = _ && [ +_[0], +_[1] ];
+ − 1337 return zoom;
+ − 1338 };
+ − 1339 zoom.size = function(_) {
+ − 1340 if (!arguments.length) return size;
+ − 1341 size = _ && [ +_[0], +_[1] ];
+ − 1342 return zoom;
+ − 1343 };
+ − 1344 zoom.duration = function(_) {
+ − 1345 if (!arguments.length) return duration;
+ − 1346 duration = +_;
+ − 1347 return zoom;
+ − 1348 };
+ − 1349 zoom.x = function(z) {
+ − 1350 if (!arguments.length) return x1;
+ − 1351 x1 = z;
+ − 1352 x0 = z.copy();
+ − 1353 view = {
+ − 1354 x: 0,
+ − 1355 y: 0,
+ − 1356 k: 1
+ − 1357 };
+ − 1358 return zoom;
+ − 1359 };
+ − 1360 zoom.y = function(z) {
+ − 1361 if (!arguments.length) return y1;
+ − 1362 y1 = z;
+ − 1363 y0 = z.copy();
+ − 1364 view = {
+ − 1365 x: 0,
+ − 1366 y: 0,
+ − 1367 k: 1
+ − 1368 };
+ − 1369 return zoom;
+ − 1370 };
+ − 1371 function location(p) {
+ − 1372 return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ];
+ − 1373 }
+ − 1374 function point(l) {
+ − 1375 return [ l[0] * view.k + view.x, l[1] * view.k + view.y ];
+ − 1376 }
+ − 1377 function scaleTo(s) {
+ − 1378 view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
+ − 1379 }
+ − 1380 function translateTo(p, l) {
+ − 1381 l = point(l);
+ − 1382 view.x += p[0] - l[0];
+ − 1383 view.y += p[1] - l[1];
+ − 1384 }
+ − 1385 function zoomTo(that, p, l, k) {
+ − 1386 that.__chart__ = {
+ − 1387 x: view.x,
+ − 1388 y: view.y,
+ − 1389 k: view.k
+ − 1390 };
+ − 1391 scaleTo(Math.pow(2, k));
+ − 1392 translateTo(center0 = p, l);
+ − 1393 that = d3.select(that);
+ − 1394 if (duration > 0) that = that.transition().duration(duration);
+ − 1395 that.call(zoom.event);
+ − 1396 }
+ − 1397 function rescale() {
+ − 1398 if (x1) x1.domain(x0.range().map(function(x) {
+ − 1399 return (x - view.x) / view.k;
+ − 1400 }).map(x0.invert));
+ − 1401 if (y1) y1.domain(y0.range().map(function(y) {
+ − 1402 return (y - view.y) / view.k;
+ − 1403 }).map(y0.invert));
+ − 1404 }
+ − 1405 function zoomstarted(dispatch) {
+ − 1406 if (!zooming++) dispatch({
+ − 1407 type: "zoomstart"
+ − 1408 });
+ − 1409 }
+ − 1410 function zoomed(dispatch) {
+ − 1411 rescale();
+ − 1412 dispatch({
+ − 1413 type: "zoom",
+ − 1414 scale: view.k,
+ − 1415 translate: [ view.x, view.y ]
+ − 1416 });
+ − 1417 }
+ − 1418 function zoomended(dispatch) {
+ − 1419 if (!--zooming) dispatch({
+ − 1420 type: "zoomend"
+ − 1421 });
+ − 1422 center0 = null;
+ − 1423 }
+ − 1424 function mousedowned() {
+ − 1425 var that = this, target = d3.event.target, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress();
+ − 1426 d3_selection_interrupt.call(that);
+ − 1427 zoomstarted(dispatch);
+ − 1428 function moved() {
+ − 1429 dragged = 1;
+ − 1430 translateTo(d3.mouse(that), location0);
+ − 1431 zoomed(dispatch);
+ − 1432 }
+ − 1433 function ended() {
+ − 1434 subject.on(mousemove, null).on(mouseup, null);
+ − 1435 dragRestore(dragged && d3.event.target === target);
+ − 1436 zoomended(dispatch);
+ − 1437 }
+ − 1438 }
+ − 1439 function touchstarted() {
+ − 1440 var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress();
+ − 1441 started();
+ − 1442 zoomstarted(dispatch);
+ − 1443 subject.on(mousedown, null).on(touchstart, started);
+ − 1444 function relocate() {
+ − 1445 var touches = d3.touches(that);
+ − 1446 scale0 = view.k;
+ − 1447 touches.forEach(function(t) {
+ − 1448 if (t.identifier in locations0) locations0[t.identifier] = location(t);
+ − 1449 });
+ − 1450 return touches;
+ − 1451 }
+ − 1452 function started() {
+ − 1453 var target = d3.event.target;
+ − 1454 d3.select(target).on(touchmove, moved).on(touchend, ended);
+ − 1455 targets.push(target);
+ − 1456 var changed = d3.event.changedTouches;
+ − 1457 for (var i = 0, n = changed.length; i < n; ++i) {
+ − 1458 locations0[changed[i].identifier] = null;
+ − 1459 }
+ − 1460 var touches = relocate(), now = Date.now();
+ − 1461 if (touches.length === 1) {
+ − 1462 if (now - touchtime < 500) {
+ − 1463 var p = touches[0];
+ − 1464 zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1);
+ − 1465 d3_eventPreventDefault();
+ − 1466 }
+ − 1467 touchtime = now;
+ − 1468 } else if (touches.length > 1) {
+ − 1469 var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1];
+ − 1470 distance0 = dx * dx + dy * dy;
+ − 1471 }
+ − 1472 }
+ − 1473 function moved() {
+ − 1474 var touches = d3.touches(that), p0, l0, p1, l1;
+ − 1475 d3_selection_interrupt.call(that);
+ − 1476 for (var i = 0, n = touches.length; i < n; ++i, l1 = null) {
+ − 1477 p1 = touches[i];
+ − 1478 if (l1 = locations0[p1.identifier]) {
+ − 1479 if (l0) break;
+ − 1480 p0 = p1, l0 = l1;
+ − 1481 }
+ − 1482 }
+ − 1483 if (l1) {
+ − 1484 var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0);
+ − 1485 p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
+ − 1486 l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
+ − 1487 scaleTo(scale1 * scale0);
+ − 1488 }
+ − 1489 touchtime = null;
+ − 1490 translateTo(p0, l0);
+ − 1491 zoomed(dispatch);
+ − 1492 }
+ − 1493 function ended() {
+ − 1494 if (d3.event.touches.length) {
+ − 1495 var changed = d3.event.changedTouches;
+ − 1496 for (var i = 0, n = changed.length; i < n; ++i) {
+ − 1497 delete locations0[changed[i].identifier];
+ − 1498 }
+ − 1499 for (var identifier in locations0) {
+ − 1500 return void relocate();
+ − 1501 }
+ − 1502 }
+ − 1503 d3.selectAll(targets).on(zoomName, null);
+ − 1504 subject.on(mousedown, mousedowned).on(touchstart, touchstarted);
+ − 1505 dragRestore();
+ − 1506 zoomended(dispatch);
+ − 1507 }
+ − 1508 }
+ − 1509 function mousewheeled() {
+ − 1510 var dispatch = event.of(this, arguments);
+ − 1511 if (mousewheelTimer) clearTimeout(mousewheelTimer); else translate0 = location(center0 = center || d3.mouse(this)),
+ − 1512 d3_selection_interrupt.call(this), zoomstarted(dispatch);
+ − 1513 mousewheelTimer = setTimeout(function() {
+ − 1514 mousewheelTimer = null;
+ − 1515 zoomended(dispatch);
+ − 1516 }, 50);
+ − 1517 d3_eventPreventDefault();
+ − 1518 scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);
+ − 1519 translateTo(center0, translate0);
+ − 1520 zoomed(dispatch);
+ − 1521 }
+ − 1522 function dblclicked() {
+ − 1523 var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2;
+ − 1524 zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1);
+ − 1525 }
+ − 1526 return d3.rebind(zoom, event, "on");
+ − 1527 };
+ − 1528 var d3_behavior_zoomInfinity = [ 0, Infinity ];
+ − 1529 var d3_behavior_zoomDelta, d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {
+ − 1530 return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
+ − 1531 }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {
+ − 1532 return d3.event.wheelDelta;
+ − 1533 }, "mousewheel") : (d3_behavior_zoomDelta = function() {
+ − 1534 return -d3.event.detail;
+ − 1535 }, "MozMousePixelScroll");
+ − 1536 d3.color = d3_color;
+ − 1537 function d3_color() {}
+ − 1538 d3_color.prototype.toString = function() {
+ − 1539 return this.rgb() + "";
+ − 1540 };
+ − 1541 d3.hsl = d3_hsl;
+ − 1542 function d3_hsl(h, s, l) {
+ − 1543 return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l);
+ − 1544 }
+ − 1545 var d3_hslPrototype = d3_hsl.prototype = new d3_color();
+ − 1546 d3_hslPrototype.brighter = function(k) {
+ − 1547 k = Math.pow(.7, arguments.length ? k : 1);
+ − 1548 return new d3_hsl(this.h, this.s, this.l / k);
+ − 1549 };
+ − 1550 d3_hslPrototype.darker = function(k) {
+ − 1551 k = Math.pow(.7, arguments.length ? k : 1);
+ − 1552 return new d3_hsl(this.h, this.s, k * this.l);
+ − 1553 };
+ − 1554 d3_hslPrototype.rgb = function() {
+ − 1555 return d3_hsl_rgb(this.h, this.s, this.l);
+ − 1556 };
+ − 1557 function d3_hsl_rgb(h, s, l) {
+ − 1558 var m1, m2;
+ − 1559 h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h;
+ − 1560 s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s;
+ − 1561 l = l < 0 ? 0 : l > 1 ? 1 : l;
+ − 1562 m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
+ − 1563 m1 = 2 * l - m2;
+ − 1564 function v(h) {
+ − 1565 if (h > 360) h -= 360; else if (h < 0) h += 360;
+ − 1566 if (h < 60) return m1 + (m2 - m1) * h / 60;
+ − 1567 if (h < 180) return m2;
+ − 1568 if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
+ − 1569 return m1;
+ − 1570 }
+ − 1571 function vv(h) {
+ − 1572 return Math.round(v(h) * 255);
+ − 1573 }
+ − 1574 return new d3_rgb(vv(h + 120), vv(h), vv(h - 120));
+ − 1575 }
+ − 1576 d3.hcl = d3_hcl;
+ − 1577 function d3_hcl(h, c, l) {
+ − 1578 return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l);
+ − 1579 }
+ − 1580 var d3_hclPrototype = d3_hcl.prototype = new d3_color();
+ − 1581 d3_hclPrototype.brighter = function(k) {
+ − 1582 return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
+ − 1583 };
+ − 1584 d3_hclPrototype.darker = function(k) {
+ − 1585 return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
+ − 1586 };
+ − 1587 d3_hclPrototype.rgb = function() {
+ − 1588 return d3_hcl_lab(this.h, this.c, this.l).rgb();
+ − 1589 };
+ − 1590 function d3_hcl_lab(h, c, l) {
+ − 1591 if (isNaN(h)) h = 0;
+ − 1592 if (isNaN(c)) c = 0;
+ − 1593 return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
+ − 1594 }
+ − 1595 d3.lab = d3_lab;
+ − 1596 function d3_lab(l, a, b) {
+ − 1597 return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b);
+ − 1598 }
+ − 1599 var d3_lab_K = 18;
+ − 1600 var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
+ − 1601 var d3_labPrototype = d3_lab.prototype = new d3_color();
+ − 1602 d3_labPrototype.brighter = function(k) {
+ − 1603 return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+ − 1604 };
+ − 1605 d3_labPrototype.darker = function(k) {
+ − 1606 return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+ − 1607 };
+ − 1608 d3_labPrototype.rgb = function() {
+ − 1609 return d3_lab_rgb(this.l, this.a, this.b);
+ − 1610 };
+ − 1611 function d3_lab_rgb(l, a, b) {
+ − 1612 var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
+ − 1613 x = d3_lab_xyz(x) * d3_lab_X;
+ − 1614 y = d3_lab_xyz(y) * d3_lab_Y;
+ − 1615 z = d3_lab_xyz(z) * d3_lab_Z;
+ − 1616 return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
+ − 1617 }
+ − 1618 function d3_lab_hcl(l, a, b) {
+ − 1619 return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l);
+ − 1620 }
+ − 1621 function d3_lab_xyz(x) {
+ − 1622 return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
+ − 1623 }
+ − 1624 function d3_xyz_lab(x) {
+ − 1625 return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
+ − 1626 }
+ − 1627 function d3_xyz_rgb(r) {
+ − 1628 return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
+ − 1629 }
+ − 1630 d3.rgb = d3_rgb;
+ − 1631 function d3_rgb(r, g, b) {
+ − 1632 return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b);
+ − 1633 }
+ − 1634 function d3_rgbNumber(value) {
+ − 1635 return new d3_rgb(value >> 16, value >> 8 & 255, value & 255);
+ − 1636 }
+ − 1637 function d3_rgbString(value) {
+ − 1638 return d3_rgbNumber(value) + "";
+ − 1639 }
+ − 1640 var d3_rgbPrototype = d3_rgb.prototype = new d3_color();
+ − 1641 d3_rgbPrototype.brighter = function(k) {
+ − 1642 k = Math.pow(.7, arguments.length ? k : 1);
+ − 1643 var r = this.r, g = this.g, b = this.b, i = 30;
+ − 1644 if (!r && !g && !b) return new d3_rgb(i, i, i);
+ − 1645 if (r && r < i) r = i;
+ − 1646 if (g && g < i) g = i;
+ − 1647 if (b && b < i) b = i;
+ − 1648 return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k));
+ − 1649 };
+ − 1650 d3_rgbPrototype.darker = function(k) {
+ − 1651 k = Math.pow(.7, arguments.length ? k : 1);
+ − 1652 return new d3_rgb(k * this.r, k * this.g, k * this.b);
+ − 1653 };
+ − 1654 d3_rgbPrototype.hsl = function() {
+ − 1655 return d3_rgb_hsl(this.r, this.g, this.b);
+ − 1656 };
+ − 1657 d3_rgbPrototype.toString = function() {
+ − 1658 return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
+ − 1659 };
+ − 1660 function d3_rgb_hex(v) {
+ − 1661 return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
+ − 1662 }
+ − 1663 function d3_rgb_parse(format, rgb, hsl) {
+ − 1664 var r = 0, g = 0, b = 0, m1, m2, color;
+ − 1665 m1 = /([a-z]+)\((.*)\)/i.exec(format);
+ − 1666 if (m1) {
+ − 1667 m2 = m1[2].split(",");
+ − 1668 switch (m1[1]) {
+ − 1669 case "hsl":
+ − 1670 {
+ − 1671 return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
+ − 1672 }
+ − 1673
+ − 1674 case "rgb":
+ − 1675 {
+ − 1676 return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
+ − 1677 }
+ − 1678 }
+ − 1679 }
+ − 1680 if (color = d3_rgb_names.get(format)) return rgb(color.r, color.g, color.b);
+ − 1681 if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) {
+ − 1682 if (format.length === 4) {
+ − 1683 r = (color & 3840) >> 4;
+ − 1684 r = r >> 4 | r;
+ − 1685 g = color & 240;
+ − 1686 g = g >> 4 | g;
+ − 1687 b = color & 15;
+ − 1688 b = b << 4 | b;
+ − 1689 } else if (format.length === 7) {
+ − 1690 r = (color & 16711680) >> 16;
+ − 1691 g = (color & 65280) >> 8;
+ − 1692 b = color & 255;
+ − 1693 }
+ − 1694 }
+ − 1695 return rgb(r, g, b);
+ − 1696 }
+ − 1697 function d3_rgb_hsl(r, g, b) {
+ − 1698 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;
+ − 1699 if (d) {
+ − 1700 s = l < .5 ? d / (max + min) : d / (2 - max - min);
+ − 1701 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;
+ − 1702 h *= 60;
+ − 1703 } else {
+ − 1704 h = NaN;
+ − 1705 s = l > 0 && l < 1 ? 0 : h;
+ − 1706 }
+ − 1707 return new d3_hsl(h, s, l);
+ − 1708 }
+ − 1709 function d3_rgb_lab(r, g, b) {
+ − 1710 r = d3_rgb_xyz(r);
+ − 1711 g = d3_rgb_xyz(g);
+ − 1712 b = d3_rgb_xyz(b);
+ − 1713 var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
+ − 1714 return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
+ − 1715 }
+ − 1716 function d3_rgb_xyz(r) {
+ − 1717 return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
+ − 1718 }
+ − 1719 function d3_rgb_parseNumber(c) {
+ − 1720 var f = parseFloat(c);
+ − 1721 return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
+ − 1722 }
+ − 1723 var d3_rgb_names = d3.map({
+ − 1724 aliceblue: 15792383,
+ − 1725 antiquewhite: 16444375,
+ − 1726 aqua: 65535,
+ − 1727 aquamarine: 8388564,
+ − 1728 azure: 15794175,
+ − 1729 beige: 16119260,
+ − 1730 bisque: 16770244,
+ − 1731 black: 0,
+ − 1732 blanchedalmond: 16772045,
+ − 1733 blue: 255,
+ − 1734 blueviolet: 9055202,
+ − 1735 brown: 10824234,
+ − 1736 burlywood: 14596231,
+ − 1737 cadetblue: 6266528,
+ − 1738 chartreuse: 8388352,
+ − 1739 chocolate: 13789470,
+ − 1740 coral: 16744272,
+ − 1741 cornflowerblue: 6591981,
+ − 1742 cornsilk: 16775388,
+ − 1743 crimson: 14423100,
+ − 1744 cyan: 65535,
+ − 1745 darkblue: 139,
+ − 1746 darkcyan: 35723,
+ − 1747 darkgoldenrod: 12092939,
+ − 1748 darkgray: 11119017,
+ − 1749 darkgreen: 25600,
+ − 1750 darkgrey: 11119017,
+ − 1751 darkkhaki: 12433259,
+ − 1752 darkmagenta: 9109643,
+ − 1753 darkolivegreen: 5597999,
+ − 1754 darkorange: 16747520,
+ − 1755 darkorchid: 10040012,
+ − 1756 darkred: 9109504,
+ − 1757 darksalmon: 15308410,
+ − 1758 darkseagreen: 9419919,
+ − 1759 darkslateblue: 4734347,
+ − 1760 darkslategray: 3100495,
+ − 1761 darkslategrey: 3100495,
+ − 1762 darkturquoise: 52945,
+ − 1763 darkviolet: 9699539,
+ − 1764 deeppink: 16716947,
+ − 1765 deepskyblue: 49151,
+ − 1766 dimgray: 6908265,
+ − 1767 dimgrey: 6908265,
+ − 1768 dodgerblue: 2003199,
+ − 1769 firebrick: 11674146,
+ − 1770 floralwhite: 16775920,
+ − 1771 forestgreen: 2263842,
+ − 1772 fuchsia: 16711935,
+ − 1773 gainsboro: 14474460,
+ − 1774 ghostwhite: 16316671,
+ − 1775 gold: 16766720,
+ − 1776 goldenrod: 14329120,
+ − 1777 gray: 8421504,
+ − 1778 green: 32768,
+ − 1779 greenyellow: 11403055,
+ − 1780 grey: 8421504,
+ − 1781 honeydew: 15794160,
+ − 1782 hotpink: 16738740,
+ − 1783 indianred: 13458524,
+ − 1784 indigo: 4915330,
+ − 1785 ivory: 16777200,
+ − 1786 khaki: 15787660,
+ − 1787 lavender: 15132410,
+ − 1788 lavenderblush: 16773365,
+ − 1789 lawngreen: 8190976,
+ − 1790 lemonchiffon: 16775885,
+ − 1791 lightblue: 11393254,
+ − 1792 lightcoral: 15761536,
+ − 1793 lightcyan: 14745599,
+ − 1794 lightgoldenrodyellow: 16448210,
+ − 1795 lightgray: 13882323,
+ − 1796 lightgreen: 9498256,
+ − 1797 lightgrey: 13882323,
+ − 1798 lightpink: 16758465,
+ − 1799 lightsalmon: 16752762,
+ − 1800 lightseagreen: 2142890,
+ − 1801 lightskyblue: 8900346,
+ − 1802 lightslategray: 7833753,
+ − 1803 lightslategrey: 7833753,
+ − 1804 lightsteelblue: 11584734,
+ − 1805 lightyellow: 16777184,
+ − 1806 lime: 65280,
+ − 1807 limegreen: 3329330,
+ − 1808 linen: 16445670,
+ − 1809 magenta: 16711935,
+ − 1810 maroon: 8388608,
+ − 1811 mediumaquamarine: 6737322,
+ − 1812 mediumblue: 205,
+ − 1813 mediumorchid: 12211667,
+ − 1814 mediumpurple: 9662683,
+ − 1815 mediumseagreen: 3978097,
+ − 1816 mediumslateblue: 8087790,
+ − 1817 mediumspringgreen: 64154,
+ − 1818 mediumturquoise: 4772300,
+ − 1819 mediumvioletred: 13047173,
+ − 1820 midnightblue: 1644912,
+ − 1821 mintcream: 16121850,
+ − 1822 mistyrose: 16770273,
+ − 1823 moccasin: 16770229,
+ − 1824 navajowhite: 16768685,
+ − 1825 navy: 128,
+ − 1826 oldlace: 16643558,
+ − 1827 olive: 8421376,
+ − 1828 olivedrab: 7048739,
+ − 1829 orange: 16753920,
+ − 1830 orangered: 16729344,
+ − 1831 orchid: 14315734,
+ − 1832 palegoldenrod: 15657130,
+ − 1833 palegreen: 10025880,
+ − 1834 paleturquoise: 11529966,
+ − 1835 palevioletred: 14381203,
+ − 1836 papayawhip: 16773077,
+ − 1837 peachpuff: 16767673,
+ − 1838 peru: 13468991,
+ − 1839 pink: 16761035,
+ − 1840 plum: 14524637,
+ − 1841 powderblue: 11591910,
+ − 1842 purple: 8388736,
+ − 1843 red: 16711680,
+ − 1844 rosybrown: 12357519,
+ − 1845 royalblue: 4286945,
+ − 1846 saddlebrown: 9127187,
+ − 1847 salmon: 16416882,
+ − 1848 sandybrown: 16032864,
+ − 1849 seagreen: 3050327,
+ − 1850 seashell: 16774638,
+ − 1851 sienna: 10506797,
+ − 1852 silver: 12632256,
+ − 1853 skyblue: 8900331,
+ − 1854 slateblue: 6970061,
+ − 1855 slategray: 7372944,
+ − 1856 slategrey: 7372944,
+ − 1857 snow: 16775930,
+ − 1858 springgreen: 65407,
+ − 1859 steelblue: 4620980,
+ − 1860 tan: 13808780,
+ − 1861 teal: 32896,
+ − 1862 thistle: 14204888,
+ − 1863 tomato: 16737095,
+ − 1864 turquoise: 4251856,
+ − 1865 violet: 15631086,
+ − 1866 wheat: 16113331,
+ − 1867 white: 16777215,
+ − 1868 whitesmoke: 16119285,
+ − 1869 yellow: 16776960,
+ − 1870 yellowgreen: 10145074
+ − 1871 });
+ − 1872 d3_rgb_names.forEach(function(key, value) {
+ − 1873 d3_rgb_names.set(key, d3_rgbNumber(value));
+ − 1874 });
+ − 1875 function d3_functor(v) {
+ − 1876 return typeof v === "function" ? v : function() {
+ − 1877 return v;
+ − 1878 };
+ − 1879 }
+ − 1880 d3.functor = d3_functor;
+ − 1881 function d3_identity(d) {
+ − 1882 return d;
+ − 1883 }
+ − 1884 d3.xhr = d3_xhrType(d3_identity);
+ − 1885 function d3_xhrType(response) {
+ − 1886 return function(url, mimeType, callback) {
+ − 1887 if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType,
+ − 1888 mimeType = null;
+ − 1889 return d3_xhr(url, mimeType, response, callback);
+ − 1890 };
+ − 1891 }
+ − 1892 function d3_xhr(url, mimeType, response, callback) {
+ − 1893 var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null;
+ − 1894 if (d3_window.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest();
+ − 1895 "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
+ − 1896 request.readyState > 3 && respond();
+ − 1897 };
+ − 1898 function respond() {
+ − 1899 var status = request.status, result;
+ − 1900 if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) {
+ − 1901 try {
+ − 1902 result = response.call(xhr, request);
+ − 1903 } catch (e) {
+ − 1904 dispatch.error.call(xhr, e);
+ − 1905 return;
+ − 1906 }
+ − 1907 dispatch.load.call(xhr, result);
+ − 1908 } else {
+ − 1909 dispatch.error.call(xhr, request);
+ − 1910 }
+ − 1911 }
+ − 1912 request.onprogress = function(event) {
+ − 1913 var o = d3.event;
+ − 1914 d3.event = event;
+ − 1915 try {
+ − 1916 dispatch.progress.call(xhr, request);
+ − 1917 } finally {
+ − 1918 d3.event = o;
+ − 1919 }
+ − 1920 };
+ − 1921 xhr.header = function(name, value) {
+ − 1922 name = (name + "").toLowerCase();
+ − 1923 if (arguments.length < 2) return headers[name];
+ − 1924 if (value == null) delete headers[name]; else headers[name] = value + "";
+ − 1925 return xhr;
+ − 1926 };
+ − 1927 xhr.mimeType = function(value) {
+ − 1928 if (!arguments.length) return mimeType;
+ − 1929 mimeType = value == null ? null : value + "";
+ − 1930 return xhr;
+ − 1931 };
+ − 1932 xhr.responseType = function(value) {
+ − 1933 if (!arguments.length) return responseType;
+ − 1934 responseType = value;
+ − 1935 return xhr;
+ − 1936 };
+ − 1937 xhr.response = function(value) {
+ − 1938 response = value;
+ − 1939 return xhr;
+ − 1940 };
+ − 1941 [ "get", "post" ].forEach(function(method) {
+ − 1942 xhr[method] = function() {
+ − 1943 return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
+ − 1944 };
+ − 1945 });
+ − 1946 xhr.send = function(method, data, callback) {
+ − 1947 if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
+ − 1948 request.open(method, url, true);
+ − 1949 if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
+ − 1950 if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
+ − 1951 if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
+ − 1952 if (responseType != null) request.responseType = responseType;
+ − 1953 if (callback != null) xhr.on("error", callback).on("load", function(request) {
+ − 1954 callback(null, request);
+ − 1955 });
+ − 1956 dispatch.beforesend.call(xhr, request);
+ − 1957 request.send(data == null ? null : data);
+ − 1958 return xhr;
+ − 1959 };
+ − 1960 xhr.abort = function() {
+ − 1961 request.abort();
+ − 1962 return xhr;
+ − 1963 };
+ − 1964 d3.rebind(xhr, dispatch, "on");
+ − 1965 return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
+ − 1966 }
+ − 1967 function d3_xhr_fixCallback(callback) {
+ − 1968 return callback.length === 1 ? function(error, request) {
+ − 1969 callback(error == null ? request : null);
+ − 1970 } : callback;
+ − 1971 }
+ − 1972 function d3_xhrHasResponse(request) {
+ − 1973 var type = request.responseType;
+ − 1974 return type && type !== "text" ? request.response : request.responseText;
+ − 1975 }
+ − 1976 d3.dsv = function(delimiter, mimeType) {
+ − 1977 var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
+ − 1978 function dsv(url, row, callback) {
+ − 1979 if (arguments.length < 3) callback = row, row = null;
+ − 1980 var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback);
+ − 1981 xhr.row = function(_) {
+ − 1982 return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
+ − 1983 };
+ − 1984 return xhr;
+ − 1985 }
+ − 1986 function response(request) {
+ − 1987 return dsv.parse(request.responseText);
+ − 1988 }
+ − 1989 function typedResponse(f) {
+ − 1990 return function(request) {
+ − 1991 return dsv.parse(request.responseText, f);
+ − 1992 };
+ − 1993 }
+ − 1994 dsv.parse = function(text, f) {
+ − 1995 var o;
+ − 1996 return dsv.parseRows(text, function(row, i) {
+ − 1997 if (o) return o(row, i - 1);
+ − 1998 var a = new Function("d", "return {" + row.map(function(name, i) {
+ − 1999 return JSON.stringify(name) + ": d[" + i + "]";
+ − 2000 }).join(",") + "}");
+ − 2001 o = f ? function(row, i) {
+ − 2002 return f(a(row), i);
+ − 2003 } : a;
+ − 2004 });
+ − 2005 };
+ − 2006 dsv.parseRows = function(text, f) {
+ − 2007 var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
+ − 2008 function token() {
+ − 2009 if (I >= N) return EOF;
+ − 2010 if (eol) return eol = false, EOL;
+ − 2011 var j = I;
+ − 2012 if (text.charCodeAt(j) === 34) {
+ − 2013 var i = j;
+ − 2014 while (i++ < N) {
+ − 2015 if (text.charCodeAt(i) === 34) {
+ − 2016 if (text.charCodeAt(i + 1) !== 34) break;
+ − 2017 ++i;
+ − 2018 }
+ − 2019 }
+ − 2020 I = i + 2;
+ − 2021 var c = text.charCodeAt(i + 1);
+ − 2022 if (c === 13) {
+ − 2023 eol = true;
+ − 2024 if (text.charCodeAt(i + 2) === 10) ++I;
+ − 2025 } else if (c === 10) {
+ − 2026 eol = true;
+ − 2027 }
+ − 2028 return text.slice(j + 1, i).replace(/""/g, '"');
+ − 2029 }
+ − 2030 while (I < N) {
+ − 2031 var c = text.charCodeAt(I++), k = 1;
+ − 2032 if (c === 10) eol = true; else if (c === 13) {
+ − 2033 eol = true;
+ − 2034 if (text.charCodeAt(I) === 10) ++I, ++k;
+ − 2035 } else if (c !== delimiterCode) continue;
+ − 2036 return text.slice(j, I - k);
+ − 2037 }
+ − 2038 return text.slice(j);
+ − 2039 }
+ − 2040 while ((t = token()) !== EOF) {
+ − 2041 var a = [];
+ − 2042 while (t !== EOL && t !== EOF) {
+ − 2043 a.push(t);
+ − 2044 t = token();
+ − 2045 }
+ − 2046 if (f && (a = f(a, n++)) == null) continue;
+ − 2047 rows.push(a);
+ − 2048 }
+ − 2049 return rows;
+ − 2050 };
+ − 2051 dsv.format = function(rows) {
+ − 2052 if (Array.isArray(rows[0])) return dsv.formatRows(rows);
+ − 2053 var fieldSet = new d3_Set(), fields = [];
+ − 2054 rows.forEach(function(row) {
+ − 2055 for (var field in row) {
+ − 2056 if (!fieldSet.has(field)) {
+ − 2057 fields.push(fieldSet.add(field));
+ − 2058 }
+ − 2059 }
+ − 2060 });
+ − 2061 return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {
+ − 2062 return fields.map(function(field) {
+ − 2063 return formatValue(row[field]);
+ − 2064 }).join(delimiter);
+ − 2065 })).join("\n");
+ − 2066 };
+ − 2067 dsv.formatRows = function(rows) {
+ − 2068 return rows.map(formatRow).join("\n");
+ − 2069 };
+ − 2070 function formatRow(row) {
+ − 2071 return row.map(formatValue).join(delimiter);
+ − 2072 }
+ − 2073 function formatValue(text) {
+ − 2074 return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
+ − 2075 }
+ − 2076 return dsv;
+ − 2077 };
+ − 2078 d3.csv = d3.dsv(",", "text/csv");
+ − 2079 d3.tsv = d3.dsv(" ", "text/tab-separated-values");
+ − 2080 var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = d3_window[d3_vendorSymbol(d3_window, "requestAnimationFrame")] || function(callback) {
+ − 2081 setTimeout(callback, 17);
+ − 2082 };
+ − 2083 d3.timer = function(callback, delay, then) {
+ − 2084 var n = arguments.length;
+ − 2085 if (n < 2) delay = 0;
+ − 2086 if (n < 3) then = Date.now();
+ − 2087 var time = then + delay, timer = {
+ − 2088 c: callback,
+ − 2089 t: time,
+ − 2090 f: false,
+ − 2091 n: null
+ − 2092 };
+ − 2093 if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer;
+ − 2094 d3_timer_queueTail = timer;
+ − 2095 if (!d3_timer_interval) {
+ − 2096 d3_timer_timeout = clearTimeout(d3_timer_timeout);
+ − 2097 d3_timer_interval = 1;
+ − 2098 d3_timer_frame(d3_timer_step);
+ − 2099 }
+ − 2100 };
+ − 2101 function d3_timer_step() {
+ − 2102 var now = d3_timer_mark(), delay = d3_timer_sweep() - now;
+ − 2103 if (delay > 24) {
+ − 2104 if (isFinite(delay)) {
+ − 2105 clearTimeout(d3_timer_timeout);
+ − 2106 d3_timer_timeout = setTimeout(d3_timer_step, delay);
+ − 2107 }
+ − 2108 d3_timer_interval = 0;
+ − 2109 } else {
+ − 2110 d3_timer_interval = 1;
+ − 2111 d3_timer_frame(d3_timer_step);
+ − 2112 }
+ − 2113 }
+ − 2114 d3.timer.flush = function() {
+ − 2115 d3_timer_mark();
+ − 2116 d3_timer_sweep();
+ − 2117 };
+ − 2118 function d3_timer_mark() {
+ − 2119 var now = Date.now();
+ − 2120 d3_timer_active = d3_timer_queueHead;
+ − 2121 while (d3_timer_active) {
+ − 2122 if (now >= d3_timer_active.t) d3_timer_active.f = d3_timer_active.c(now - d3_timer_active.t);
+ − 2123 d3_timer_active = d3_timer_active.n;
+ − 2124 }
+ − 2125 return now;
+ − 2126 }
+ − 2127 function d3_timer_sweep() {
+ − 2128 var t0, t1 = d3_timer_queueHead, time = Infinity;
+ − 2129 while (t1) {
+ − 2130 if (t1.f) {
+ − 2131 t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n;
+ − 2132 } else {
+ − 2133 if (t1.t < time) time = t1.t;
+ − 2134 t1 = (t0 = t1).n;
+ − 2135 }
+ − 2136 }
+ − 2137 d3_timer_queueTail = t0;
+ − 2138 return time;
+ − 2139 }
+ − 2140 function d3_format_precision(x, p) {
+ − 2141 return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
+ − 2142 }
+ − 2143 d3.round = function(x, n) {
+ − 2144 return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
+ − 2145 };
+ − 2146 var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
+ − 2147 d3.formatPrefix = function(value, precision) {
+ − 2148 var i = 0;
+ − 2149 if (value) {
+ − 2150 if (value < 0) value *= -1;
+ − 2151 if (precision) value = d3.round(value, d3_format_precision(value, precision));
+ − 2152 i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
+ − 2153 i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3));
+ − 2154 }
+ − 2155 return d3_formatPrefixes[8 + i / 3];
+ − 2156 };
+ − 2157 function d3_formatPrefix(d, i) {
+ − 2158 var k = Math.pow(10, abs(8 - i) * 3);
+ − 2159 return {
+ − 2160 scale: i > 8 ? function(d) {
+ − 2161 return d / k;
+ − 2162 } : function(d) {
+ − 2163 return d * k;
+ − 2164 },
+ − 2165 symbol: d
+ − 2166 };
+ − 2167 }
+ − 2168 function d3_locale_numberFormat(locale) {
+ − 2169 var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) {
+ − 2170 var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0;
+ − 2171 while (i > 0 && g > 0) {
+ − 2172 if (length + g + 1 > width) g = Math.max(1, width - length);
+ − 2173 t.push(value.substring(i -= g, i + g));
+ − 2174 if ((length += g + 1) > width) break;
+ − 2175 g = locale_grouping[j = (j + 1) % locale_grouping.length];
+ − 2176 }
+ − 2177 return t.reverse().join(locale_thousands);
+ − 2178 } : d3_identity;
+ − 2179 return function(specifier) {
+ − 2180 var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true;
+ − 2181 if (precision) precision = +precision.substring(1);
+ − 2182 if (zfill || fill === "0" && align === "=") {
+ − 2183 zfill = fill = "0";
+ − 2184 align = "=";
+ − 2185 }
+ − 2186 switch (type) {
+ − 2187 case "n":
+ − 2188 comma = true;
+ − 2189 type = "g";
+ − 2190 break;
+ − 2191
+ − 2192 case "%":
+ − 2193 scale = 100;
+ − 2194 suffix = "%";
+ − 2195 type = "f";
+ − 2196 break;
+ − 2197
+ − 2198 case "p":
+ − 2199 scale = 100;
+ − 2200 suffix = "%";
+ − 2201 type = "r";
+ − 2202 break;
+ − 2203
+ − 2204 case "b":
+ − 2205 case "o":
+ − 2206 case "x":
+ − 2207 case "X":
+ − 2208 if (symbol === "#") prefix = "0" + type.toLowerCase();
+ − 2209
+ − 2210 case "c":
+ − 2211 exponent = false;
+ − 2212
+ − 2213 case "d":
+ − 2214 integer = true;
+ − 2215 precision = 0;
+ − 2216 break;
+ − 2217
+ − 2218 case "s":
+ − 2219 scale = -1;
+ − 2220 type = "r";
+ − 2221 break;
+ − 2222 }
+ − 2223 if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1];
+ − 2224 if (type == "r" && !precision) type = "g";
+ − 2225 if (precision != null) {
+ − 2226 if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision));
+ − 2227 }
+ − 2228 type = d3_format_types.get(type) || d3_format_typeDefault;
+ − 2229 var zcomma = zfill && comma;
+ − 2230 return function(value) {
+ − 2231 var fullSuffix = suffix;
+ − 2232 if (integer && value % 1) return "";
+ − 2233 var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign;
+ − 2234 if (scale < 0) {
+ − 2235 var unit = d3.formatPrefix(value, precision);
+ − 2236 value = unit.scale(value);
+ − 2237 fullSuffix = unit.symbol + suffix;
+ − 2238 } else {
+ − 2239 value *= scale;
+ − 2240 }
+ − 2241 value = type(value, precision);
+ − 2242 var i = value.lastIndexOf("."), before, after;
+ − 2243 if (i < 0) {
+ − 2244 var j = exponent ? value.lastIndexOf("e") : -1;
+ − 2245 if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j);
+ − 2246 } else {
+ − 2247 before = value.substring(0, i);
+ − 2248 after = locale_decimal + value.substring(i + 1);
+ − 2249 }
+ − 2250 if (!zfill && comma) before = formatGroup(before, Infinity);
+ − 2251 var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
+ − 2252 if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity);
+ − 2253 negative += prefix;
+ − 2254 value = before + after;
+ − 2255 return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix;
+ − 2256 };
+ − 2257 };
+ − 2258 }
+ − 2259 var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
+ − 2260 var d3_format_types = d3.map({
+ − 2261 b: function(x) {
+ − 2262 return x.toString(2);
+ − 2263 },
+ − 2264 c: function(x) {
+ − 2265 return String.fromCharCode(x);
+ − 2266 },
+ − 2267 o: function(x) {
+ − 2268 return x.toString(8);
+ − 2269 },
+ − 2270 x: function(x) {
+ − 2271 return x.toString(16);
+ − 2272 },
+ − 2273 X: function(x) {
+ − 2274 return x.toString(16).toUpperCase();
+ − 2275 },
+ − 2276 g: function(x, p) {
+ − 2277 return x.toPrecision(p);
+ − 2278 },
+ − 2279 e: function(x, p) {
+ − 2280 return x.toExponential(p);
+ − 2281 },
+ − 2282 f: function(x, p) {
+ − 2283 return x.toFixed(p);
+ − 2284 },
+ − 2285 r: function(x, p) {
+ − 2286 return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p))));
+ − 2287 }
+ − 2288 });
+ − 2289 function d3_format_typeDefault(x) {
+ − 2290 return x + "";
+ − 2291 }
+ − 2292 var d3_time = d3.time = {}, d3_date = Date;
+ − 2293 function d3_date_utc() {
+ − 2294 this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
+ − 2295 }
+ − 2296 d3_date_utc.prototype = {
+ − 2297 getDate: function() {
+ − 2298 return this._.getUTCDate();
+ − 2299 },
+ − 2300 getDay: function() {
+ − 2301 return this._.getUTCDay();
+ − 2302 },
+ − 2303 getFullYear: function() {
+ − 2304 return this._.getUTCFullYear();
+ − 2305 },
+ − 2306 getHours: function() {
+ − 2307 return this._.getUTCHours();
+ − 2308 },
+ − 2309 getMilliseconds: function() {
+ − 2310 return this._.getUTCMilliseconds();
+ − 2311 },
+ − 2312 getMinutes: function() {
+ − 2313 return this._.getUTCMinutes();
+ − 2314 },
+ − 2315 getMonth: function() {
+ − 2316 return this._.getUTCMonth();
+ − 2317 },
+ − 2318 getSeconds: function() {
+ − 2319 return this._.getUTCSeconds();
+ − 2320 },
+ − 2321 getTime: function() {
+ − 2322 return this._.getTime();
+ − 2323 },
+ − 2324 getTimezoneOffset: function() {
+ − 2325 return 0;
+ − 2326 },
+ − 2327 valueOf: function() {
+ − 2328 return this._.valueOf();
+ − 2329 },
+ − 2330 setDate: function() {
+ − 2331 d3_time_prototype.setUTCDate.apply(this._, arguments);
+ − 2332 },
+ − 2333 setDay: function() {
+ − 2334 d3_time_prototype.setUTCDay.apply(this._, arguments);
+ − 2335 },
+ − 2336 setFullYear: function() {
+ − 2337 d3_time_prototype.setUTCFullYear.apply(this._, arguments);
+ − 2338 },
+ − 2339 setHours: function() {
+ − 2340 d3_time_prototype.setUTCHours.apply(this._, arguments);
+ − 2341 },
+ − 2342 setMilliseconds: function() {
+ − 2343 d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
+ − 2344 },
+ − 2345 setMinutes: function() {
+ − 2346 d3_time_prototype.setUTCMinutes.apply(this._, arguments);
+ − 2347 },
+ − 2348 setMonth: function() {
+ − 2349 d3_time_prototype.setUTCMonth.apply(this._, arguments);
+ − 2350 },
+ − 2351 setSeconds: function() {
+ − 2352 d3_time_prototype.setUTCSeconds.apply(this._, arguments);
+ − 2353 },
+ − 2354 setTime: function() {
+ − 2355 d3_time_prototype.setTime.apply(this._, arguments);
+ − 2356 }
+ − 2357 };
+ − 2358 var d3_time_prototype = Date.prototype;
+ − 2359 function d3_time_interval(local, step, number) {
+ − 2360 function round(date) {
+ − 2361 var d0 = local(date), d1 = offset(d0, 1);
+ − 2362 return date - d0 < d1 - date ? d0 : d1;
+ − 2363 }
+ − 2364 function ceil(date) {
+ − 2365 step(date = local(new d3_date(date - 1)), 1);
+ − 2366 return date;
+ − 2367 }
+ − 2368 function offset(date, k) {
+ − 2369 step(date = new d3_date(+date), k);
+ − 2370 return date;
+ − 2371 }
+ − 2372 function range(t0, t1, dt) {
+ − 2373 var time = ceil(t0), times = [];
+ − 2374 if (dt > 1) {
+ − 2375 while (time < t1) {
+ − 2376 if (!(number(time) % dt)) times.push(new Date(+time));
+ − 2377 step(time, 1);
+ − 2378 }
+ − 2379 } else {
+ − 2380 while (time < t1) times.push(new Date(+time)), step(time, 1);
+ − 2381 }
+ − 2382 return times;
+ − 2383 }
+ − 2384 function range_utc(t0, t1, dt) {
+ − 2385 try {
+ − 2386 d3_date = d3_date_utc;
+ − 2387 var utc = new d3_date_utc();
+ − 2388 utc._ = t0;
+ − 2389 return range(utc, t1, dt);
+ − 2390 } finally {
+ − 2391 d3_date = Date;
+ − 2392 }
+ − 2393 }
+ − 2394 local.floor = local;
+ − 2395 local.round = round;
+ − 2396 local.ceil = ceil;
+ − 2397 local.offset = offset;
+ − 2398 local.range = range;
+ − 2399 var utc = local.utc = d3_time_interval_utc(local);
+ − 2400 utc.floor = utc;
+ − 2401 utc.round = d3_time_interval_utc(round);
+ − 2402 utc.ceil = d3_time_interval_utc(ceil);
+ − 2403 utc.offset = d3_time_interval_utc(offset);
+ − 2404 utc.range = range_utc;
+ − 2405 return local;
+ − 2406 }
+ − 2407 function d3_time_interval_utc(method) {
+ − 2408 return function(date, k) {
+ − 2409 try {
+ − 2410 d3_date = d3_date_utc;
+ − 2411 var utc = new d3_date_utc();
+ − 2412 utc._ = date;
+ − 2413 return method(utc, k)._;
+ − 2414 } finally {
+ − 2415 d3_date = Date;
+ − 2416 }
+ − 2417 };
+ − 2418 }
+ − 2419 d3_time.year = d3_time_interval(function(date) {
+ − 2420 date = d3_time.day(date);
+ − 2421 date.setMonth(0, 1);
+ − 2422 return date;
+ − 2423 }, function(date, offset) {
+ − 2424 date.setFullYear(date.getFullYear() + offset);
+ − 2425 }, function(date) {
+ − 2426 return date.getFullYear();
+ − 2427 });
+ − 2428 d3_time.years = d3_time.year.range;
+ − 2429 d3_time.years.utc = d3_time.year.utc.range;
+ − 2430 d3_time.day = d3_time_interval(function(date) {
+ − 2431 var day = new d3_date(2e3, 0);
+ − 2432 day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
+ − 2433 return day;
+ − 2434 }, function(date, offset) {
+ − 2435 date.setDate(date.getDate() + offset);
+ − 2436 }, function(date) {
+ − 2437 return date.getDate() - 1;
+ − 2438 });
+ − 2439 d3_time.days = d3_time.day.range;
+ − 2440 d3_time.days.utc = d3_time.day.utc.range;
+ − 2441 d3_time.dayOfYear = function(date) {
+ − 2442 var year = d3_time.year(date);
+ − 2443 return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
+ − 2444 };
+ − 2445 [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) {
+ − 2446 i = 7 - i;
+ − 2447 var interval = d3_time[day] = d3_time_interval(function(date) {
+ − 2448 (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
+ − 2449 return date;
+ − 2450 }, function(date, offset) {
+ − 2451 date.setDate(date.getDate() + Math.floor(offset) * 7);
+ − 2452 }, function(date) {
+ − 2453 var day = d3_time.year(date).getDay();
+ − 2454 return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
+ − 2455 });
+ − 2456 d3_time[day + "s"] = interval.range;
+ − 2457 d3_time[day + "s"].utc = interval.utc.range;
+ − 2458 d3_time[day + "OfYear"] = function(date) {
+ − 2459 var day = d3_time.year(date).getDay();
+ − 2460 return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7);
+ − 2461 };
+ − 2462 });
+ − 2463 d3_time.week = d3_time.sunday;
+ − 2464 d3_time.weeks = d3_time.sunday.range;
+ − 2465 d3_time.weeks.utc = d3_time.sunday.utc.range;
+ − 2466 d3_time.weekOfYear = d3_time.sundayOfYear;
+ − 2467 function d3_locale_timeFormat(locale) {
+ − 2468 var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths;
+ − 2469 function d3_time_format(template) {
+ − 2470 var n = template.length;
+ − 2471 function format(date) {
+ − 2472 var string = [], i = -1, j = 0, c, p, f;
+ − 2473 while (++i < n) {
+ − 2474 if (template.charCodeAt(i) === 37) {
+ − 2475 string.push(template.slice(j, i));
+ − 2476 if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
+ − 2477 if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
+ − 2478 string.push(c);
+ − 2479 j = i + 1;
+ − 2480 }
+ − 2481 }
+ − 2482 string.push(template.slice(j, i));
+ − 2483 return string.join("");
+ − 2484 }
+ − 2485 format.parse = function(string) {
+ − 2486 var d = {
+ − 2487 y: 1900,
+ − 2488 m: 0,
+ − 2489 d: 1,
+ − 2490 H: 0,
+ − 2491 M: 0,
+ − 2492 S: 0,
+ − 2493 L: 0,
+ − 2494 Z: null
+ − 2495 }, i = d3_time_parse(d, template, string, 0);
+ − 2496 if (i != string.length) return null;
+ − 2497 if ("p" in d) d.H = d.H % 12 + d.p * 12;
+ − 2498 var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)();
+ − 2499 if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("w" in d && ("W" in d || "U" in d)) {
+ − 2500 date.setFullYear(d.y, 0, 1);
+ − 2501 date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7);
+ − 2502 } else date.setFullYear(d.y, d.m, d.d);
+ − 2503 date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L);
+ − 2504 return localZ ? date._ : date;
+ − 2505 };
+ − 2506 format.toString = function() {
+ − 2507 return template;
+ − 2508 };
+ − 2509 return format;
+ − 2510 }
+ − 2511 function d3_time_parse(date, template, string, j) {
+ − 2512 var c, p, t, i = 0, n = template.length, m = string.length;
+ − 2513 while (i < n) {
+ − 2514 if (j >= m) return -1;
+ − 2515 c = template.charCodeAt(i++);
+ − 2516 if (c === 37) {
+ − 2517 t = template.charAt(i++);
+ − 2518 p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t];
+ − 2519 if (!p || (j = p(date, string, j)) < 0) return -1;
+ − 2520 } else if (c != string.charCodeAt(j++)) {
+ − 2521 return -1;
+ − 2522 }
+ − 2523 }
+ − 2524 return j;
+ − 2525 }
+ − 2526 d3_time_format.utc = function(template) {
+ − 2527 var local = d3_time_format(template);
+ − 2528 function format(date) {
+ − 2529 try {
+ − 2530 d3_date = d3_date_utc;
+ − 2531 var utc = new d3_date();
+ − 2532 utc._ = date;
+ − 2533 return local(utc);
+ − 2534 } finally {
+ − 2535 d3_date = Date;
+ − 2536 }
+ − 2537 }
+ − 2538 format.parse = function(string) {
+ − 2539 try {
+ − 2540 d3_date = d3_date_utc;
+ − 2541 var date = local.parse(string);
+ − 2542 return date && date._;
+ − 2543 } finally {
+ − 2544 d3_date = Date;
+ − 2545 }
+ − 2546 };
+ − 2547 format.toString = local.toString;
+ − 2548 return format;
+ − 2549 };
+ − 2550 d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti;
+ − 2551 var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths);
+ − 2552 locale_periods.forEach(function(p, i) {
+ − 2553 d3_time_periodLookup.set(p.toLowerCase(), i);
+ − 2554 });
+ − 2555 var d3_time_formats = {
+ − 2556 a: function(d) {
+ − 2557 return locale_shortDays[d.getDay()];
+ − 2558 },
+ − 2559 A: function(d) {
+ − 2560 return locale_days[d.getDay()];
+ − 2561 },
+ − 2562 b: function(d) {
+ − 2563 return locale_shortMonths[d.getMonth()];
+ − 2564 },
+ − 2565 B: function(d) {
+ − 2566 return locale_months[d.getMonth()];
+ − 2567 },
+ − 2568 c: d3_time_format(locale_dateTime),
+ − 2569 d: function(d, p) {
+ − 2570 return d3_time_formatPad(d.getDate(), p, 2);
+ − 2571 },
+ − 2572 e: function(d, p) {
+ − 2573 return d3_time_formatPad(d.getDate(), p, 2);
+ − 2574 },
+ − 2575 H: function(d, p) {
+ − 2576 return d3_time_formatPad(d.getHours(), p, 2);
+ − 2577 },
+ − 2578 I: function(d, p) {
+ − 2579 return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
+ − 2580 },
+ − 2581 j: function(d, p) {
+ − 2582 return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3);
+ − 2583 },
+ − 2584 L: function(d, p) {
+ − 2585 return d3_time_formatPad(d.getMilliseconds(), p, 3);
+ − 2586 },
+ − 2587 m: function(d, p) {
+ − 2588 return d3_time_formatPad(d.getMonth() + 1, p, 2);
+ − 2589 },
+ − 2590 M: function(d, p) {
+ − 2591 return d3_time_formatPad(d.getMinutes(), p, 2);
+ − 2592 },
+ − 2593 p: function(d) {
+ − 2594 return locale_periods[+(d.getHours() >= 12)];
+ − 2595 },
+ − 2596 S: function(d, p) {
+ − 2597 return d3_time_formatPad(d.getSeconds(), p, 2);
+ − 2598 },
+ − 2599 U: function(d, p) {
+ − 2600 return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2);
+ − 2601 },
+ − 2602 w: function(d) {
+ − 2603 return d.getDay();
+ − 2604 },
+ − 2605 W: function(d, p) {
+ − 2606 return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2);
+ − 2607 },
+ − 2608 x: d3_time_format(locale_date),
+ − 2609 X: d3_time_format(locale_time),
+ − 2610 y: function(d, p) {
+ − 2611 return d3_time_formatPad(d.getFullYear() % 100, p, 2);
+ − 2612 },
+ − 2613 Y: function(d, p) {
+ − 2614 return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
+ − 2615 },
+ − 2616 Z: d3_time_zone,
+ − 2617 "%": function() {
+ − 2618 return "%";
+ − 2619 }
+ − 2620 };
+ − 2621 var d3_time_parsers = {
+ − 2622 a: d3_time_parseWeekdayAbbrev,
+ − 2623 A: d3_time_parseWeekday,
+ − 2624 b: d3_time_parseMonthAbbrev,
+ − 2625 B: d3_time_parseMonth,
+ − 2626 c: d3_time_parseLocaleFull,
+ − 2627 d: d3_time_parseDay,
+ − 2628 e: d3_time_parseDay,
+ − 2629 H: d3_time_parseHour24,
+ − 2630 I: d3_time_parseHour24,
+ − 2631 j: d3_time_parseDayOfYear,
+ − 2632 L: d3_time_parseMilliseconds,
+ − 2633 m: d3_time_parseMonthNumber,
+ − 2634 M: d3_time_parseMinutes,
+ − 2635 p: d3_time_parseAmPm,
+ − 2636 S: d3_time_parseSeconds,
+ − 2637 U: d3_time_parseWeekNumberSunday,
+ − 2638 w: d3_time_parseWeekdayNumber,
+ − 2639 W: d3_time_parseWeekNumberMonday,
+ − 2640 x: d3_time_parseLocaleDate,
+ − 2641 X: d3_time_parseLocaleTime,
+ − 2642 y: d3_time_parseYear,
+ − 2643 Y: d3_time_parseFullYear,
+ − 2644 Z: d3_time_parseZone,
+ − 2645 "%": d3_time_parseLiteralPercent
+ − 2646 };
+ − 2647 function d3_time_parseWeekdayAbbrev(date, string, i) {
+ − 2648 d3_time_dayAbbrevRe.lastIndex = 0;
+ − 2649 var n = d3_time_dayAbbrevRe.exec(string.slice(i));
+ − 2650 return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+ − 2651 }
+ − 2652 function d3_time_parseWeekday(date, string, i) {
+ − 2653 d3_time_dayRe.lastIndex = 0;
+ − 2654 var n = d3_time_dayRe.exec(string.slice(i));
+ − 2655 return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+ − 2656 }
+ − 2657 function d3_time_parseMonthAbbrev(date, string, i) {
+ − 2658 d3_time_monthAbbrevRe.lastIndex = 0;
+ − 2659 var n = d3_time_monthAbbrevRe.exec(string.slice(i));
+ − 2660 return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+ − 2661 }
+ − 2662 function d3_time_parseMonth(date, string, i) {
+ − 2663 d3_time_monthRe.lastIndex = 0;
+ − 2664 var n = d3_time_monthRe.exec(string.slice(i));
+ − 2665 return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+ − 2666 }
+ − 2667 function d3_time_parseLocaleFull(date, string, i) {
+ − 2668 return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
+ − 2669 }
+ − 2670 function d3_time_parseLocaleDate(date, string, i) {
+ − 2671 return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
+ − 2672 }
+ − 2673 function d3_time_parseLocaleTime(date, string, i) {
+ − 2674 return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
+ − 2675 }
+ − 2676 function d3_time_parseAmPm(date, string, i) {
+ − 2677 var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase());
+ − 2678 return n == null ? -1 : (date.p = n, i);
+ − 2679 }
+ − 2680 return d3_time_format;
+ − 2681 }
+ − 2682 var d3_time_formatPads = {
+ − 2683 "-": "",
+ − 2684 _: " ",
+ − 2685 "0": "0"
+ − 2686 }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/;
+ − 2687 function d3_time_formatPad(value, fill, width) {
+ − 2688 var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length;
+ − 2689 return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
+ − 2690 }
+ − 2691 function d3_time_formatRe(names) {
+ − 2692 return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
+ − 2693 }
+ − 2694 function d3_time_formatLookup(names) {
+ − 2695 var map = new d3_Map(), i = -1, n = names.length;
+ − 2696 while (++i < n) map.set(names[i].toLowerCase(), i);
+ − 2697 return map;
+ − 2698 }
+ − 2699 function d3_time_parseWeekdayNumber(date, string, i) {
+ − 2700 d3_time_numberRe.lastIndex = 0;
+ − 2701 var n = d3_time_numberRe.exec(string.slice(i, i + 1));
+ − 2702 return n ? (date.w = +n[0], i + n[0].length) : -1;
+ − 2703 }
+ − 2704 function d3_time_parseWeekNumberSunday(date, string, i) {
+ − 2705 d3_time_numberRe.lastIndex = 0;
+ − 2706 var n = d3_time_numberRe.exec(string.slice(i));
+ − 2707 return n ? (date.U = +n[0], i + n[0].length) : -1;
+ − 2708 }
+ − 2709 function d3_time_parseWeekNumberMonday(date, string, i) {
+ − 2710 d3_time_numberRe.lastIndex = 0;
+ − 2711 var n = d3_time_numberRe.exec(string.slice(i));
+ − 2712 return n ? (date.W = +n[0], i + n[0].length) : -1;
+ − 2713 }
+ − 2714 function d3_time_parseFullYear(date, string, i) {
+ − 2715 d3_time_numberRe.lastIndex = 0;
+ − 2716 var n = d3_time_numberRe.exec(string.slice(i, i + 4));
+ − 2717 return n ? (date.y = +n[0], i + n[0].length) : -1;
+ − 2718 }
+ − 2719 function d3_time_parseYear(date, string, i) {
+ − 2720 d3_time_numberRe.lastIndex = 0;
+ − 2721 var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ − 2722 return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1;
+ − 2723 }
+ − 2724 function d3_time_parseZone(date, string, i) {
+ − 2725 return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string,
+ − 2726 i + 5) : -1;
+ − 2727 }
+ − 2728 function d3_time_expandYear(d) {
+ − 2729 return d + (d > 68 ? 1900 : 2e3);
+ − 2730 }
+ − 2731 function d3_time_parseMonthNumber(date, string, i) {
+ − 2732 d3_time_numberRe.lastIndex = 0;
+ − 2733 var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ − 2734 return n ? (date.m = n[0] - 1, i + n[0].length) : -1;
+ − 2735 }
+ − 2736 function d3_time_parseDay(date, string, i) {
+ − 2737 d3_time_numberRe.lastIndex = 0;
+ − 2738 var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ − 2739 return n ? (date.d = +n[0], i + n[0].length) : -1;
+ − 2740 }
+ − 2741 function d3_time_parseDayOfYear(date, string, i) {
+ − 2742 d3_time_numberRe.lastIndex = 0;
+ − 2743 var n = d3_time_numberRe.exec(string.slice(i, i + 3));
+ − 2744 return n ? (date.j = +n[0], i + n[0].length) : -1;
+ − 2745 }
+ − 2746 function d3_time_parseHour24(date, string, i) {
+ − 2747 d3_time_numberRe.lastIndex = 0;
+ − 2748 var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ − 2749 return n ? (date.H = +n[0], i + n[0].length) : -1;
+ − 2750 }
+ − 2751 function d3_time_parseMinutes(date, string, i) {
+ − 2752 d3_time_numberRe.lastIndex = 0;
+ − 2753 var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ − 2754 return n ? (date.M = +n[0], i + n[0].length) : -1;
+ − 2755 }
+ − 2756 function d3_time_parseSeconds(date, string, i) {
+ − 2757 d3_time_numberRe.lastIndex = 0;
+ − 2758 var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ − 2759 return n ? (date.S = +n[0], i + n[0].length) : -1;
+ − 2760 }
+ − 2761 function d3_time_parseMilliseconds(date, string, i) {
+ − 2762 d3_time_numberRe.lastIndex = 0;
+ − 2763 var n = d3_time_numberRe.exec(string.slice(i, i + 3));
+ − 2764 return n ? (date.L = +n[0], i + n[0].length) : -1;
+ − 2765 }
+ − 2766 function d3_time_zone(d) {
+ − 2767 var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60;
+ − 2768 return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
+ − 2769 }
+ − 2770 function d3_time_parseLiteralPercent(date, string, i) {
+ − 2771 d3_time_percentRe.lastIndex = 0;
+ − 2772 var n = d3_time_percentRe.exec(string.slice(i, i + 1));
+ − 2773 return n ? i + n[0].length : -1;
+ − 2774 }
+ − 2775 function d3_time_formatMulti(formats) {
+ − 2776 var n = formats.length, i = -1;
+ − 2777 while (++i < n) formats[i][0] = this(formats[i][0]);
+ − 2778 return function(date) {
+ − 2779 var i = 0, f = formats[i];
+ − 2780 while (!f[1](date)) f = formats[++i];
+ − 2781 return f[0](date);
+ − 2782 };
+ − 2783 }
+ − 2784 d3.locale = function(locale) {
+ − 2785 return {
+ − 2786 numberFormat: d3_locale_numberFormat(locale),
+ − 2787 timeFormat: d3_locale_timeFormat(locale)
+ − 2788 };
+ − 2789 };
+ − 2790 var d3_locale_enUS = d3.locale({
+ − 2791 decimal: ".",
+ − 2792 thousands: ",",
+ − 2793 grouping: [ 3 ],
+ − 2794 currency: [ "$", "" ],
+ − 2795 dateTime: "%a %b %e %X %Y",
+ − 2796 date: "%m/%d/%Y",
+ − 2797 time: "%H:%M:%S",
+ − 2798 periods: [ "AM", "PM" ],
+ − 2799 days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ],
+ − 2800 shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ],
+ − 2801 months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ],
+ − 2802 shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]
+ − 2803 });
+ − 2804 d3.format = d3_locale_enUS.numberFormat;
+ − 2805 d3.geo = {};
+ − 2806 function d3_adder() {}
+ − 2807 d3_adder.prototype = {
+ − 2808 s: 0,
+ − 2809 t: 0,
+ − 2810 add: function(y) {
+ − 2811 d3_adderSum(y, this.t, d3_adderTemp);
+ − 2812 d3_adderSum(d3_adderTemp.s, this.s, this);
+ − 2813 if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t;
+ − 2814 },
+ − 2815 reset: function() {
+ − 2816 this.s = this.t = 0;
+ − 2817 },
+ − 2818 valueOf: function() {
+ − 2819 return this.s;
+ − 2820 }
+ − 2821 };
+ − 2822 var d3_adderTemp = new d3_adder();
+ − 2823 function d3_adderSum(a, b, o) {
+ − 2824 var x = o.s = a + b, bv = x - a, av = x - bv;
+ − 2825 o.t = a - av + (b - bv);
+ − 2826 }
+ − 2827 d3.geo.stream = function(object, listener) {
+ − 2828 if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {
+ − 2829 d3_geo_streamObjectType[object.type](object, listener);
+ − 2830 } else {
+ − 2831 d3_geo_streamGeometry(object, listener);
+ − 2832 }
+ − 2833 };
+ − 2834 function d3_geo_streamGeometry(geometry, listener) {
+ − 2835 if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
+ − 2836 d3_geo_streamGeometryType[geometry.type](geometry, listener);
+ − 2837 }
+ − 2838 }
+ − 2839 var d3_geo_streamObjectType = {
+ − 2840 Feature: function(feature, listener) {
+ − 2841 d3_geo_streamGeometry(feature.geometry, listener);
+ − 2842 },
+ − 2843 FeatureCollection: function(object, listener) {
+ − 2844 var features = object.features, i = -1, n = features.length;
+ − 2845 while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
+ − 2846 }
+ − 2847 };
+ − 2848 var d3_geo_streamGeometryType = {
+ − 2849 Sphere: function(object, listener) {
+ − 2850 listener.sphere();
+ − 2851 },
+ − 2852 Point: function(object, listener) {
+ − 2853 object = object.coordinates;
+ − 2854 listener.point(object[0], object[1], object[2]);
+ − 2855 },
+ − 2856 MultiPoint: function(object, listener) {
+ − 2857 var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ − 2858 while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]);
+ − 2859 },
+ − 2860 LineString: function(object, listener) {
+ − 2861 d3_geo_streamLine(object.coordinates, listener, 0);
+ − 2862 },
+ − 2863 MultiLineString: function(object, listener) {
+ − 2864 var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ − 2865 while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
+ − 2866 },
+ − 2867 Polygon: function(object, listener) {
+ − 2868 d3_geo_streamPolygon(object.coordinates, listener);
+ − 2869 },
+ − 2870 MultiPolygon: function(object, listener) {
+ − 2871 var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ − 2872 while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
+ − 2873 },
+ − 2874 GeometryCollection: function(object, listener) {
+ − 2875 var geometries = object.geometries, i = -1, n = geometries.length;
+ − 2876 while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
+ − 2877 }
+ − 2878 };
+ − 2879 function d3_geo_streamLine(coordinates, listener, closed) {
+ − 2880 var i = -1, n = coordinates.length - closed, coordinate;
+ − 2881 listener.lineStart();
+ − 2882 while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]);
+ − 2883 listener.lineEnd();
+ − 2884 }
+ − 2885 function d3_geo_streamPolygon(coordinates, listener) {
+ − 2886 var i = -1, n = coordinates.length;
+ − 2887 listener.polygonStart();
+ − 2888 while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
+ − 2889 listener.polygonEnd();
+ − 2890 }
+ − 2891 d3.geo.area = function(object) {
+ − 2892 d3_geo_areaSum = 0;
+ − 2893 d3.geo.stream(object, d3_geo_area);
+ − 2894 return d3_geo_areaSum;
+ − 2895 };
+ − 2896 var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder();
+ − 2897 var d3_geo_area = {
+ − 2898 sphere: function() {
+ − 2899 d3_geo_areaSum += 4 * π;
+ − 2900 },
+ − 2901 point: d3_noop,
+ − 2902 lineStart: d3_noop,
+ − 2903 lineEnd: d3_noop,
+ − 2904 polygonStart: function() {
+ − 2905 d3_geo_areaRingSum.reset();
+ − 2906 d3_geo_area.lineStart = d3_geo_areaRingStart;
+ − 2907 },
+ − 2908 polygonEnd: function() {
+ − 2909 var area = 2 * d3_geo_areaRingSum;
+ − 2910 d3_geo_areaSum += area < 0 ? 4 * π + area : area;
+ − 2911 d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
+ − 2912 }
+ − 2913 };
+ − 2914 function d3_geo_areaRingStart() {
+ − 2915 var λ00, φ00, λ0, cosφ0, sinφ0;
+ − 2916 d3_geo_area.point = function(λ, φ) {
+ − 2917 d3_geo_area.point = nextPoint;
+ − 2918 λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4),
+ − 2919 sinφ0 = Math.sin(φ);
+ − 2920 };
+ − 2921 function nextPoint(λ, φ) {
+ − 2922 λ *= d3_radians;
+ − 2923 φ = φ * d3_radians / 2 + π / 4;
+ − 2924 var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ);
+ − 2925 d3_geo_areaRingSum.add(Math.atan2(v, u));
+ − 2926 λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
+ − 2927 }
+ − 2928 d3_geo_area.lineEnd = function() {
+ − 2929 nextPoint(λ00, φ00);
+ − 2930 };
+ − 2931 }
+ − 2932 function d3_geo_cartesian(spherical) {
+ − 2933 var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
+ − 2934 return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
+ − 2935 }
+ − 2936 function d3_geo_cartesianDot(a, b) {
+ − 2937 return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+ − 2938 }
+ − 2939 function d3_geo_cartesianCross(a, b) {
+ − 2940 return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];
+ − 2941 }
+ − 2942 function d3_geo_cartesianAdd(a, b) {
+ − 2943 a[0] += b[0];
+ − 2944 a[1] += b[1];
+ − 2945 a[2] += b[2];
+ − 2946 }
+ − 2947 function d3_geo_cartesianScale(vector, k) {
+ − 2948 return [ vector[0] * k, vector[1] * k, vector[2] * k ];
+ − 2949 }
+ − 2950 function d3_geo_cartesianNormalize(d) {
+ − 2951 var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
+ − 2952 d[0] /= l;
+ − 2953 d[1] /= l;
+ − 2954 d[2] /= l;
+ − 2955 }
+ − 2956 function d3_geo_spherical(cartesian) {
+ − 2957 return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ];
+ − 2958 }
+ − 2959 function d3_geo_sphericalEqual(a, b) {
+ − 2960 return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε;
+ − 2961 }
+ − 2962 d3.geo.bounds = function() {
+ − 2963 var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range;
+ − 2964 var bound = {
+ − 2965 point: point,
+ − 2966 lineStart: lineStart,
+ − 2967 lineEnd: lineEnd,
+ − 2968 polygonStart: function() {
+ − 2969 bound.point = ringPoint;
+ − 2970 bound.lineStart = ringStart;
+ − 2971 bound.lineEnd = ringEnd;
+ − 2972 dλSum = 0;
+ − 2973 d3_geo_area.polygonStart();
+ − 2974 },
+ − 2975 polygonEnd: function() {
+ − 2976 d3_geo_area.polygonEnd();
+ − 2977 bound.point = point;
+ − 2978 bound.lineStart = lineStart;
+ − 2979 bound.lineEnd = lineEnd;
+ − 2980 if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90;
+ − 2981 range[0] = λ0, range[1] = λ1;
+ − 2982 }
+ − 2983 };
+ − 2984 function point(λ, φ) {
+ − 2985 ranges.push(range = [ λ0 = λ, λ1 = λ ]);
+ − 2986 if (φ < φ0) φ0 = φ;
+ − 2987 if (φ > φ1) φ1 = φ;
+ − 2988 }
+ − 2989 function linePoint(λ, φ) {
+ − 2990 var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]);
+ − 2991 if (p0) {
+ − 2992 var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal);
+ − 2993 d3_geo_cartesianNormalize(inflection);
+ − 2994 inflection = d3_geo_spherical(inflection);
+ − 2995 var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180;
+ − 2996 if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
+ − 2997 var φi = inflection[1] * d3_degrees;
+ − 2998 if (φi > φ1) φ1 = φi;
+ − 2999 } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
+ − 3000 var φi = -inflection[1] * d3_degrees;
+ − 3001 if (φi < φ0) φ0 = φi;
+ − 3002 } else {
+ − 3003 if (φ < φ0) φ0 = φ;
+ − 3004 if (φ > φ1) φ1 = φ;
+ − 3005 }
+ − 3006 if (antimeridian) {
+ − 3007 if (λ < λ_) {
+ − 3008 if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
+ − 3009 } else {
+ − 3010 if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
+ − 3011 }
+ − 3012 } else {
+ − 3013 if (λ1 >= λ0) {
+ − 3014 if (λ < λ0) λ0 = λ;
+ − 3015 if (λ > λ1) λ1 = λ;
+ − 3016 } else {
+ − 3017 if (λ > λ_) {
+ − 3018 if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
+ − 3019 } else {
+ − 3020 if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
+ − 3021 }
+ − 3022 }
+ − 3023 }
+ − 3024 } else {
+ − 3025 point(λ, φ);
+ − 3026 }
+ − 3027 p0 = p, λ_ = λ;
+ − 3028 }
+ − 3029 function lineStart() {
+ − 3030 bound.point = linePoint;
+ − 3031 }
+ − 3032 function lineEnd() {
+ − 3033 range[0] = λ0, range[1] = λ1;
+ − 3034 bound.point = point;
+ − 3035 p0 = null;
+ − 3036 }
+ − 3037 function ringPoint(λ, φ) {
+ − 3038 if (p0) {
+ − 3039 var dλ = λ - λ_;
+ − 3040 dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ;
+ − 3041 } else λ__ = λ, φ__ = φ;
+ − 3042 d3_geo_area.point(λ, φ);
+ − 3043 linePoint(λ, φ);
+ − 3044 }
+ − 3045 function ringStart() {
+ − 3046 d3_geo_area.lineStart();
+ − 3047 }
+ − 3048 function ringEnd() {
+ − 3049 ringPoint(λ__, φ__);
+ − 3050 d3_geo_area.lineEnd();
+ − 3051 if (abs(dλSum) > ε) λ0 = -(λ1 = 180);
+ − 3052 range[0] = λ0, range[1] = λ1;
+ − 3053 p0 = null;
+ − 3054 }
+ − 3055 function angle(λ0, λ1) {
+ − 3056 return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1;
+ − 3057 }
+ − 3058 function compareRanges(a, b) {
+ − 3059 return a[0] - b[0];
+ − 3060 }
+ − 3061 function withinRange(x, range) {
+ − 3062 return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;
+ − 3063 }
+ − 3064 return function(feature) {
+ − 3065 φ1 = λ1 = -(λ0 = φ0 = Infinity);
+ − 3066 ranges = [];
+ − 3067 d3.geo.stream(feature, bound);
+ − 3068 var n = ranges.length;
+ − 3069 if (n) {
+ − 3070 ranges.sort(compareRanges);
+ − 3071 for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) {
+ − 3072 b = ranges[i];
+ − 3073 if (withinRange(b[0], a) || withinRange(b[1], a)) {
+ − 3074 if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];
+ − 3075 if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];
+ − 3076 } else {
+ − 3077 merged.push(a = b);
+ − 3078 }
+ − 3079 }
+ − 3080 var best = -Infinity, dλ;
+ − 3081 for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) {
+ − 3082 b = merged[i];
+ − 3083 if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1];
+ − 3084 }
+ − 3085 }
+ − 3086 ranges = range = null;
+ − 3087 return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ];
+ − 3088 };
+ − 3089 }();
+ − 3090 d3.geo.centroid = function(object) {
+ − 3091 d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
+ − 3092 d3.geo.stream(object, d3_geo_centroid);
+ − 3093 var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z;
+ − 3094 if (m < ε2) {
+ − 3095 x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1;
+ − 3096 if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0;
+ − 3097 m = x * x + y * y + z * z;
+ − 3098 if (m < ε2) return [ NaN, NaN ];
+ − 3099 }
+ − 3100 return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ];
+ − 3101 };
+ − 3102 var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2;
+ − 3103 var d3_geo_centroid = {
+ − 3104 sphere: d3_noop,
+ − 3105 point: d3_geo_centroidPoint,
+ − 3106 lineStart: d3_geo_centroidLineStart,
+ − 3107 lineEnd: d3_geo_centroidLineEnd,
+ − 3108 polygonStart: function() {
+ − 3109 d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
+ − 3110 },
+ − 3111 polygonEnd: function() {
+ − 3112 d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
+ − 3113 }
+ − 3114 };
+ − 3115 function d3_geo_centroidPoint(λ, φ) {
+ − 3116 λ *= d3_radians;
+ − 3117 var cosφ = Math.cos(φ *= d3_radians);
+ − 3118 d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ));
+ − 3119 }
+ − 3120 function d3_geo_centroidPointXYZ(x, y, z) {
+ − 3121 ++d3_geo_centroidW0;
+ − 3122 d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0;
+ − 3123 d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0;
+ − 3124 d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0;
+ − 3125 }
+ − 3126 function d3_geo_centroidLineStart() {
+ − 3127 var x0, y0, z0;
+ − 3128 d3_geo_centroid.point = function(λ, φ) {
+ − 3129 λ *= d3_radians;
+ − 3130 var cosφ = Math.cos(φ *= d3_radians);
+ − 3131 x0 = cosφ * Math.cos(λ);
+ − 3132 y0 = cosφ * Math.sin(λ);
+ − 3133 z0 = Math.sin(φ);
+ − 3134 d3_geo_centroid.point = nextPoint;
+ − 3135 d3_geo_centroidPointXYZ(x0, y0, z0);
+ − 3136 };
+ − 3137 function nextPoint(λ, φ) {
+ − 3138 λ *= d3_radians;
+ − 3139 var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
+ − 3140 d3_geo_centroidW1 += w;
+ − 3141 d3_geo_centroidX1 += w * (x0 + (x0 = x));
+ − 3142 d3_geo_centroidY1 += w * (y0 + (y0 = y));
+ − 3143 d3_geo_centroidZ1 += w * (z0 + (z0 = z));
+ − 3144 d3_geo_centroidPointXYZ(x0, y0, z0);
+ − 3145 }
+ − 3146 }
+ − 3147 function d3_geo_centroidLineEnd() {
+ − 3148 d3_geo_centroid.point = d3_geo_centroidPoint;
+ − 3149 }
+ − 3150 function d3_geo_centroidRingStart() {
+ − 3151 var λ00, φ00, x0, y0, z0;
+ − 3152 d3_geo_centroid.point = function(λ, φ) {
+ − 3153 λ00 = λ, φ00 = φ;
+ − 3154 d3_geo_centroid.point = nextPoint;
+ − 3155 λ *= d3_radians;
+ − 3156 var cosφ = Math.cos(φ *= d3_radians);
+ − 3157 x0 = cosφ * Math.cos(λ);
+ − 3158 y0 = cosφ * Math.sin(λ);
+ − 3159 z0 = Math.sin(φ);
+ − 3160 d3_geo_centroidPointXYZ(x0, y0, z0);
+ − 3161 };
+ − 3162 d3_geo_centroid.lineEnd = function() {
+ − 3163 nextPoint(λ00, φ00);
+ − 3164 d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
+ − 3165 d3_geo_centroid.point = d3_geo_centroidPoint;
+ − 3166 };
+ − 3167 function nextPoint(λ, φ) {
+ − 3168 λ *= d3_radians;
+ − 3169 var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u);
+ − 3170 d3_geo_centroidX2 += v * cx;
+ − 3171 d3_geo_centroidY2 += v * cy;
+ − 3172 d3_geo_centroidZ2 += v * cz;
+ − 3173 d3_geo_centroidW1 += w;
+ − 3174 d3_geo_centroidX1 += w * (x0 + (x0 = x));
+ − 3175 d3_geo_centroidY1 += w * (y0 + (y0 = y));
+ − 3176 d3_geo_centroidZ1 += w * (z0 + (z0 = z));
+ − 3177 d3_geo_centroidPointXYZ(x0, y0, z0);
+ − 3178 }
+ − 3179 }
+ − 3180 function d3_geo_compose(a, b) {
+ − 3181 function compose(x, y) {
+ − 3182 return x = a(x, y), b(x[0], x[1]);
+ − 3183 }
+ − 3184 if (a.invert && b.invert) compose.invert = function(x, y) {
+ − 3185 return x = b.invert(x, y), x && a.invert(x[0], x[1]);
+ − 3186 };
+ − 3187 return compose;
+ − 3188 }
+ − 3189 function d3_true() {
+ − 3190 return true;
+ − 3191 }
+ − 3192 function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) {
+ − 3193 var subject = [], clip = [];
+ − 3194 segments.forEach(function(segment) {
+ − 3195 if ((n = segment.length - 1) <= 0) return;
+ − 3196 var n, p0 = segment[0], p1 = segment[n];
+ − 3197 if (d3_geo_sphericalEqual(p0, p1)) {
+ − 3198 listener.lineStart();
+ − 3199 for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);
+ − 3200 listener.lineEnd();
+ − 3201 return;
+ − 3202 }
+ − 3203 var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false);
+ − 3204 a.o = b;
+ − 3205 subject.push(a);
+ − 3206 clip.push(b);
+ − 3207 a = new d3_geo_clipPolygonIntersection(p1, segment, null, false);
+ − 3208 b = new d3_geo_clipPolygonIntersection(p1, null, a, true);
+ − 3209 a.o = b;
+ − 3210 subject.push(a);
+ − 3211 clip.push(b);
+ − 3212 });
+ − 3213 clip.sort(compare);
+ − 3214 d3_geo_clipPolygonLinkCircular(subject);
+ − 3215 d3_geo_clipPolygonLinkCircular(clip);
+ − 3216 if (!subject.length) return;
+ − 3217 for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) {
+ − 3218 clip[i].e = entry = !entry;
+ − 3219 }
+ − 3220 var start = subject[0], points, point;
+ − 3221 while (1) {
+ − 3222 var current = start, isSubject = true;
+ − 3223 while (current.v) if ((current = current.n) === start) return;
+ − 3224 points = current.z;
+ − 3225 listener.lineStart();
+ − 3226 do {
+ − 3227 current.v = current.o.v = true;
+ − 3228 if (current.e) {
+ − 3229 if (isSubject) {
+ − 3230 for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]);
+ − 3231 } else {
+ − 3232 interpolate(current.x, current.n.x, 1, listener);
+ − 3233 }
+ − 3234 current = current.n;
+ − 3235 } else {
+ − 3236 if (isSubject) {
+ − 3237 points = current.p.z;
+ − 3238 for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]);
+ − 3239 } else {
+ − 3240 interpolate(current.x, current.p.x, -1, listener);
+ − 3241 }
+ − 3242 current = current.p;
+ − 3243 }
+ − 3244 current = current.o;
+ − 3245 points = current.z;
+ − 3246 isSubject = !isSubject;
+ − 3247 } while (!current.v);
+ − 3248 listener.lineEnd();
+ − 3249 }
+ − 3250 }
+ − 3251 function d3_geo_clipPolygonLinkCircular(array) {
+ − 3252 if (!(n = array.length)) return;
+ − 3253 var n, i = 0, a = array[0], b;
+ − 3254 while (++i < n) {
+ − 3255 a.n = b = array[i];
+ − 3256 b.p = a;
+ − 3257 a = b;
+ − 3258 }
+ − 3259 a.n = b = array[0];
+ − 3260 b.p = a;
+ − 3261 }
+ − 3262 function d3_geo_clipPolygonIntersection(point, points, other, entry) {
+ − 3263 this.x = point;
+ − 3264 this.z = points;
+ − 3265 this.o = other;
+ − 3266 this.e = entry;
+ − 3267 this.v = false;
+ − 3268 this.n = this.p = null;
+ − 3269 }
+ − 3270 function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) {
+ − 3271 return function(rotate, listener) {
+ − 3272 var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]);
+ − 3273 var clip = {
+ − 3274 point: point,
+ − 3275 lineStart: lineStart,
+ − 3276 lineEnd: lineEnd,
+ − 3277 polygonStart: function() {
+ − 3278 clip.point = pointRing;
+ − 3279 clip.lineStart = ringStart;
+ − 3280 clip.lineEnd = ringEnd;
+ − 3281 segments = [];
+ − 3282 polygon = [];
+ − 3283 },
+ − 3284 polygonEnd: function() {
+ − 3285 clip.point = point;
+ − 3286 clip.lineStart = lineStart;
+ − 3287 clip.lineEnd = lineEnd;
+ − 3288 segments = d3.merge(segments);
+ − 3289 var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon);
+ − 3290 if (segments.length) {
+ − 3291 if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
+ − 3292 d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener);
+ − 3293 } else if (clipStartInside) {
+ − 3294 if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
+ − 3295 listener.lineStart();
+ − 3296 interpolate(null, null, 1, listener);
+ − 3297 listener.lineEnd();
+ − 3298 }
+ − 3299 if (polygonStarted) listener.polygonEnd(), polygonStarted = false;
+ − 3300 segments = polygon = null;
+ − 3301 },
+ − 3302 sphere: function() {
+ − 3303 listener.polygonStart();
+ − 3304 listener.lineStart();
+ − 3305 interpolate(null, null, 1, listener);
+ − 3306 listener.lineEnd();
+ − 3307 listener.polygonEnd();
+ − 3308 }
+ − 3309 };
+ − 3310 function point(λ, φ) {
+ − 3311 var point = rotate(λ, φ);
+ − 3312 if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ);
+ − 3313 }
+ − 3314 function pointLine(λ, φ) {
+ − 3315 var point = rotate(λ, φ);
+ − 3316 line.point(point[0], point[1]);
+ − 3317 }
+ − 3318 function lineStart() {
+ − 3319 clip.point = pointLine;
+ − 3320 line.lineStart();
+ − 3321 }
+ − 3322 function lineEnd() {
+ − 3323 clip.point = point;
+ − 3324 line.lineEnd();
+ − 3325 }
+ − 3326 var segments;
+ − 3327 var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring;
+ − 3328 function pointRing(λ, φ) {
+ − 3329 ring.push([ λ, φ ]);
+ − 3330 var point = rotate(λ, φ);
+ − 3331 ringListener.point(point[0], point[1]);
+ − 3332 }
+ − 3333 function ringStart() {
+ − 3334 ringListener.lineStart();
+ − 3335 ring = [];
+ − 3336 }
+ − 3337 function ringEnd() {
+ − 3338 pointRing(ring[0][0], ring[0][1]);
+ − 3339 ringListener.lineEnd();
+ − 3340 var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
+ − 3341 ring.pop();
+ − 3342 polygon.push(ring);
+ − 3343 ring = null;
+ − 3344 if (!n) return;
+ − 3345 if (clean & 1) {
+ − 3346 segment = ringSegments[0];
+ − 3347 var n = segment.length - 1, i = -1, point;
+ − 3348 if (n > 0) {
+ − 3349 if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
+ − 3350 listener.lineStart();
+ − 3351 while (++i < n) listener.point((point = segment[i])[0], point[1]);
+ − 3352 listener.lineEnd();
+ − 3353 }
+ − 3354 return;
+ − 3355 }
+ − 3356 if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
+ − 3357 segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
+ − 3358 }
+ − 3359 return clip;
+ − 3360 };
+ − 3361 }
+ − 3362 function d3_geo_clipSegmentLength1(segment) {
+ − 3363 return segment.length > 1;
+ − 3364 }
+ − 3365 function d3_geo_clipBufferListener() {
+ − 3366 var lines = [], line;
+ − 3367 return {
+ − 3368 lineStart: function() {
+ − 3369 lines.push(line = []);
+ − 3370 },
+ − 3371 point: function(λ, φ) {
+ − 3372 line.push([ λ, φ ]);
+ − 3373 },
+ − 3374 lineEnd: d3_noop,
+ − 3375 buffer: function() {
+ − 3376 var buffer = lines;
+ − 3377 lines = [];
+ − 3378 line = null;
+ − 3379 return buffer;
+ − 3380 },
+ − 3381 rejoin: function() {
+ − 3382 if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
+ − 3383 }
+ − 3384 };
+ − 3385 }
+ − 3386 function d3_geo_clipSort(a, b) {
+ − 3387 return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]);
+ − 3388 }
+ − 3389 var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]);
+ − 3390 function d3_geo_clipAntimeridianLine(listener) {
+ − 3391 var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
+ − 3392 return {
+ − 3393 lineStart: function() {
+ − 3394 listener.lineStart();
+ − 3395 clean = 1;
+ − 3396 },
+ − 3397 point: function(λ1, φ1) {
+ − 3398 var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0);
+ − 3399 if (abs(dλ - π) < ε) {
+ − 3400 listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ);
+ − 3401 listener.point(sλ0, φ0);
+ − 3402 listener.lineEnd();
+ − 3403 listener.lineStart();
+ − 3404 listener.point(sλ1, φ0);
+ − 3405 listener.point(λ1, φ0);
+ − 3406 clean = 0;
+ − 3407 } else if (sλ0 !== sλ1 && dλ >= π) {
+ − 3408 if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
+ − 3409 if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
+ − 3410 φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
+ − 3411 listener.point(sλ0, φ0);
+ − 3412 listener.lineEnd();
+ − 3413 listener.lineStart();
+ − 3414 listener.point(sλ1, φ0);
+ − 3415 clean = 0;
+ − 3416 }
+ − 3417 listener.point(λ0 = λ1, φ0 = φ1);
+ − 3418 sλ0 = sλ1;
+ − 3419 },
+ − 3420 lineEnd: function() {
+ − 3421 listener.lineEnd();
+ − 3422 λ0 = φ0 = NaN;
+ − 3423 },
+ − 3424 clean: function() {
+ − 3425 return 2 - clean;
+ − 3426 }
+ − 3427 };
+ − 3428 }
+ − 3429 function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
+ − 3430 var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
+ − 3431 return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;
+ − 3432 }
+ − 3433 function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
+ − 3434 var φ;
+ − 3435 if (from == null) {
+ − 3436 φ = direction * halfπ;
+ − 3437 listener.point(-π, φ);
+ − 3438 listener.point(0, φ);
+ − 3439 listener.point(π, φ);
+ − 3440 listener.point(π, 0);
+ − 3441 listener.point(π, -φ);
+ − 3442 listener.point(0, -φ);
+ − 3443 listener.point(-π, -φ);
+ − 3444 listener.point(-π, 0);
+ − 3445 listener.point(-π, φ);
+ − 3446 } else if (abs(from[0] - to[0]) > ε) {
+ − 3447 var s = from[0] < to[0] ? π : -π;
+ − 3448 φ = direction * s / 2;
+ − 3449 listener.point(-s, φ);
+ − 3450 listener.point(0, φ);
+ − 3451 listener.point(s, φ);
+ − 3452 } else {
+ − 3453 listener.point(to[0], to[1]);
+ − 3454 }
+ − 3455 }
+ − 3456 function d3_geo_pointInPolygon(point, polygon) {
+ − 3457 var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0;
+ − 3458 d3_geo_areaRingSum.reset();
+ − 3459 for (var i = 0, n = polygon.length; i < n; ++i) {
+ − 3460 var ring = polygon[i], m = ring.length;
+ − 3461 if (!m) continue;
+ − 3462 var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1;
+ − 3463 while (true) {
+ − 3464 if (j === m) j = 0;
+ − 3465 point = ring[j];
+ − 3466 var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ;
+ − 3467 d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ)));
+ − 3468 polarAngle += antimeridian ? dλ + sdλ * τ : dλ;
+ − 3469 if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) {
+ − 3470 var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point));
+ − 3471 d3_geo_cartesianNormalize(arc);
+ − 3472 var intersection = d3_geo_cartesianCross(meridianNormal, arc);
+ − 3473 d3_geo_cartesianNormalize(intersection);
+ − 3474 var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]);
+ − 3475 if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) {
+ − 3476 winding += antimeridian ^ dλ >= 0 ? 1 : -1;
+ − 3477 }
+ − 3478 }
+ − 3479 if (!j++) break;
+ − 3480 λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point;
+ − 3481 }
+ − 3482 }
+ − 3483 return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < 0) ^ winding & 1;
+ − 3484 }
+ − 3485 function d3_geo_clipCircle(radius) {
+ − 3486 var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
+ − 3487 return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]);
+ − 3488 function visible(λ, φ) {
+ − 3489 return Math.cos(λ) * Math.cos(φ) > cr;
+ − 3490 }
+ − 3491 function clipLine(listener) {
+ − 3492 var point0, c0, v0, v00, clean;
+ − 3493 return {
+ − 3494 lineStart: function() {
+ − 3495 v00 = v0 = false;
+ − 3496 clean = 1;
+ − 3497 },
+ − 3498 point: function(λ, φ) {
+ − 3499 var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0;
+ − 3500 if (!point0 && (v00 = v0 = v)) listener.lineStart();
+ − 3501 if (v !== v0) {
+ − 3502 point2 = intersect(point0, point1);
+ − 3503 if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
+ − 3504 point1[0] += ε;
+ − 3505 point1[1] += ε;
+ − 3506 v = visible(point1[0], point1[1]);
+ − 3507 }
+ − 3508 }
+ − 3509 if (v !== v0) {
+ − 3510 clean = 0;
+ − 3511 if (v) {
+ − 3512 listener.lineStart();
+ − 3513 point2 = intersect(point1, point0);
+ − 3514 listener.point(point2[0], point2[1]);
+ − 3515 } else {
+ − 3516 point2 = intersect(point0, point1);
+ − 3517 listener.point(point2[0], point2[1]);
+ − 3518 listener.lineEnd();
+ − 3519 }
+ − 3520 point0 = point2;
+ − 3521 } else if (notHemisphere && point0 && smallRadius ^ v) {
+ − 3522 var t;
+ − 3523 if (!(c & c0) && (t = intersect(point1, point0, true))) {
+ − 3524 clean = 0;
+ − 3525 if (smallRadius) {
+ − 3526 listener.lineStart();
+ − 3527 listener.point(t[0][0], t[0][1]);
+ − 3528 listener.point(t[1][0], t[1][1]);
+ − 3529 listener.lineEnd();
+ − 3530 } else {
+ − 3531 listener.point(t[1][0], t[1][1]);
+ − 3532 listener.lineEnd();
+ − 3533 listener.lineStart();
+ − 3534 listener.point(t[0][0], t[0][1]);
+ − 3535 }
+ − 3536 }
+ − 3537 }
+ − 3538 if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {
+ − 3539 listener.point(point1[0], point1[1]);
+ − 3540 }
+ − 3541 point0 = point1, v0 = v, c0 = c;
+ − 3542 },
+ − 3543 lineEnd: function() {
+ − 3544 if (v0) listener.lineEnd();
+ − 3545 point0 = null;
+ − 3546 },
+ − 3547 clean: function() {
+ − 3548 return clean | (v00 && v0) << 1;
+ − 3549 }
+ − 3550 };
+ − 3551 }
+ − 3552 function intersect(a, b, two) {
+ − 3553 var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);
+ − 3554 var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
+ − 3555 if (!determinant) return !two && a;
+ − 3556 var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);
+ − 3557 d3_geo_cartesianAdd(A, B);
+ − 3558 var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1);
+ − 3559 if (t2 < 0) return;
+ − 3560 var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);
+ − 3561 d3_geo_cartesianAdd(q, A);
+ − 3562 q = d3_geo_spherical(q);
+ − 3563 if (!two) return q;
+ − 3564 var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;
+ − 3565 if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;
+ − 3566 var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε;
+ − 3567 if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;
+ − 3568 if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {
+ − 3569 var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);
+ − 3570 d3_geo_cartesianAdd(q1, A);
+ − 3571 return [ q, d3_geo_spherical(q1) ];
+ − 3572 }
+ − 3573 }
+ − 3574 function code(λ, φ) {
+ − 3575 var r = smallRadius ? radius : π - radius, code = 0;
+ − 3576 if (λ < -r) code |= 1; else if (λ > r) code |= 2;
+ − 3577 if (φ < -r) code |= 4; else if (φ > r) code |= 8;
+ − 3578 return code;
+ − 3579 }
+ − 3580 }
+ − 3581 function d3_geom_clipLine(x0, y0, x1, y1) {
+ − 3582 return function(line) {
+ − 3583 var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r;
+ − 3584 r = x0 - ax;
+ − 3585 if (!dx && r > 0) return;
+ − 3586 r /= dx;
+ − 3587 if (dx < 0) {
+ − 3588 if (r < t0) return;
+ − 3589 if (r < t1) t1 = r;
+ − 3590 } else if (dx > 0) {
+ − 3591 if (r > t1) return;
+ − 3592 if (r > t0) t0 = r;
+ − 3593 }
+ − 3594 r = x1 - ax;
+ − 3595 if (!dx && r < 0) return;
+ − 3596 r /= dx;
+ − 3597 if (dx < 0) {
+ − 3598 if (r > t1) return;
+ − 3599 if (r > t0) t0 = r;
+ − 3600 } else if (dx > 0) {
+ − 3601 if (r < t0) return;
+ − 3602 if (r < t1) t1 = r;
+ − 3603 }
+ − 3604 r = y0 - ay;
+ − 3605 if (!dy && r > 0) return;
+ − 3606 r /= dy;
+ − 3607 if (dy < 0) {
+ − 3608 if (r < t0) return;
+ − 3609 if (r < t1) t1 = r;
+ − 3610 } else if (dy > 0) {
+ − 3611 if (r > t1) return;
+ − 3612 if (r > t0) t0 = r;
+ − 3613 }
+ − 3614 r = y1 - ay;
+ − 3615 if (!dy && r < 0) return;
+ − 3616 r /= dy;
+ − 3617 if (dy < 0) {
+ − 3618 if (r > t1) return;
+ − 3619 if (r > t0) t0 = r;
+ − 3620 } else if (dy > 0) {
+ − 3621 if (r < t0) return;
+ − 3622 if (r < t1) t1 = r;
+ − 3623 }
+ − 3624 if (t0 > 0) line.a = {
+ − 3625 x: ax + t0 * dx,
+ − 3626 y: ay + t0 * dy
+ − 3627 };
+ − 3628 if (t1 < 1) line.b = {
+ − 3629 x: ax + t1 * dx,
+ − 3630 y: ay + t1 * dy
+ − 3631 };
+ − 3632 return line;
+ − 3633 };
+ − 3634 }
+ − 3635 var d3_geo_clipExtentMAX = 1e9;
+ − 3636 d3.geo.clipExtent = function() {
+ − 3637 var x0, y0, x1, y1, stream, clip, clipExtent = {
+ − 3638 stream: function(output) {
+ − 3639 if (stream) stream.valid = false;
+ − 3640 stream = clip(output);
+ − 3641 stream.valid = true;
+ − 3642 return stream;
+ − 3643 },
+ − 3644 extent: function(_) {
+ − 3645 if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
+ − 3646 clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]);
+ − 3647 if (stream) stream.valid = false, stream = null;
+ − 3648 return clipExtent;
+ − 3649 }
+ − 3650 };
+ − 3651 return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]);
+ − 3652 };
+ − 3653 function d3_geo_clipExtent(x0, y0, x1, y1) {
+ − 3654 return function(listener) {
+ − 3655 var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring;
+ − 3656 var clip = {
+ − 3657 point: point,
+ − 3658 lineStart: lineStart,
+ − 3659 lineEnd: lineEnd,
+ − 3660 polygonStart: function() {
+ − 3661 listener = bufferListener;
+ − 3662 segments = [];
+ − 3663 polygon = [];
+ − 3664 clean = true;
+ − 3665 },
+ − 3666 polygonEnd: function() {
+ − 3667 listener = listener_;
+ − 3668 segments = d3.merge(segments);
+ − 3669 var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length;
+ − 3670 if (inside || visible) {
+ − 3671 listener.polygonStart();
+ − 3672 if (inside) {
+ − 3673 listener.lineStart();
+ − 3674 interpolate(null, null, 1, listener);
+ − 3675 listener.lineEnd();
+ − 3676 }
+ − 3677 if (visible) {
+ − 3678 d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener);
+ − 3679 }
+ − 3680 listener.polygonEnd();
+ − 3681 }
+ − 3682 segments = polygon = ring = null;
+ − 3683 }
+ − 3684 };
+ − 3685 function insidePolygon(p) {
+ − 3686 var wn = 0, n = polygon.length, y = p[1];
+ − 3687 for (var i = 0; i < n; ++i) {
+ − 3688 for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) {
+ − 3689 b = v[j];
+ − 3690 if (a[1] <= y) {
+ − 3691 if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn;
+ − 3692 } else {
+ − 3693 if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn;
+ − 3694 }
+ − 3695 a = b;
+ − 3696 }
+ − 3697 }
+ − 3698 return wn !== 0;
+ − 3699 }
+ − 3700 function interpolate(from, to, direction, listener) {
+ − 3701 var a = 0, a1 = 0;
+ − 3702 if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {
+ − 3703 do {
+ − 3704 listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
+ − 3705 } while ((a = (a + direction + 4) % 4) !== a1);
+ − 3706 } else {
+ − 3707 listener.point(to[0], to[1]);
+ − 3708 }
+ − 3709 }
+ − 3710 function pointVisible(x, y) {
+ − 3711 return x0 <= x && x <= x1 && y0 <= y && y <= y1;
+ − 3712 }
+ − 3713 function point(x, y) {
+ − 3714 if (pointVisible(x, y)) listener.point(x, y);
+ − 3715 }
+ − 3716 var x__, y__, v__, x_, y_, v_, first, clean;
+ − 3717 function lineStart() {
+ − 3718 clip.point = linePoint;
+ − 3719 if (polygon) polygon.push(ring = []);
+ − 3720 first = true;
+ − 3721 v_ = false;
+ − 3722 x_ = y_ = NaN;
+ − 3723 }
+ − 3724 function lineEnd() {
+ − 3725 if (segments) {
+ − 3726 linePoint(x__, y__);
+ − 3727 if (v__ && v_) bufferListener.rejoin();
+ − 3728 segments.push(bufferListener.buffer());
+ − 3729 }
+ − 3730 clip.point = point;
+ − 3731 if (v_) listener.lineEnd();
+ − 3732 }
+ − 3733 function linePoint(x, y) {
+ − 3734 x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x));
+ − 3735 y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y));
+ − 3736 var v = pointVisible(x, y);
+ − 3737 if (polygon) ring.push([ x, y ]);
+ − 3738 if (first) {
+ − 3739 x__ = x, y__ = y, v__ = v;
+ − 3740 first = false;
+ − 3741 if (v) {
+ − 3742 listener.lineStart();
+ − 3743 listener.point(x, y);
+ − 3744 }
+ − 3745 } else {
+ − 3746 if (v && v_) listener.point(x, y); else {
+ − 3747 var l = {
+ − 3748 a: {
+ − 3749 x: x_,
+ − 3750 y: y_
+ − 3751 },
+ − 3752 b: {
+ − 3753 x: x,
+ − 3754 y: y
+ − 3755 }
+ − 3756 };
+ − 3757 if (clipLine(l)) {
+ − 3758 if (!v_) {
+ − 3759 listener.lineStart();
+ − 3760 listener.point(l.a.x, l.a.y);
+ − 3761 }
+ − 3762 listener.point(l.b.x, l.b.y);
+ − 3763 if (!v) listener.lineEnd();
+ − 3764 clean = false;
+ − 3765 } else if (v) {
+ − 3766 listener.lineStart();
+ − 3767 listener.point(x, y);
+ − 3768 clean = false;
+ − 3769 }
+ − 3770 }
+ − 3771 }
+ − 3772 x_ = x, y_ = y, v_ = v;
+ − 3773 }
+ − 3774 return clip;
+ − 3775 };
+ − 3776 function corner(p, direction) {
+ − 3777 return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
+ − 3778 }
+ − 3779 function compare(a, b) {
+ − 3780 return comparePoints(a.x, b.x);
+ − 3781 }
+ − 3782 function comparePoints(a, b) {
+ − 3783 var ca = corner(a, 1), cb = corner(b, 1);
+ − 3784 return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];
+ − 3785 }
+ − 3786 }
+ − 3787 function d3_geo_conic(projectAt) {
+ − 3788 var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);
+ − 3789 p.parallels = function(_) {
+ − 3790 if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];
+ − 3791 return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);
+ − 3792 };
+ − 3793 return p;
+ − 3794 }
+ − 3795 function d3_geo_conicEqualArea(φ0, φ1) {
+ − 3796 var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
+ − 3797 function forward(λ, φ) {
+ − 3798 var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
+ − 3799 return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
+ − 3800 }
+ − 3801 forward.invert = function(x, y) {
+ − 3802 var ρ0_y = ρ0 - y;
+ − 3803 return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
+ − 3804 };
+ − 3805 return forward;
+ − 3806 }
+ − 3807 (d3.geo.conicEqualArea = function() {
+ − 3808 return d3_geo_conic(d3_geo_conicEqualArea);
+ − 3809 }).raw = d3_geo_conicEqualArea;
+ − 3810 d3.geo.albers = function() {
+ − 3811 return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070);
+ − 3812 };
+ − 3813 d3.geo.albersUsa = function() {
+ − 3814 var lower48 = d3.geo.albers();
+ − 3815 var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]);
+ − 3816 var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]);
+ − 3817 var point, pointStream = {
+ − 3818 point: function(x, y) {
+ − 3819 point = [ x, y ];
+ − 3820 }
+ − 3821 }, lower48Point, alaskaPoint, hawaiiPoint;
+ − 3822 function albersUsa(coordinates) {
+ − 3823 var x = coordinates[0], y = coordinates[1];
+ − 3824 point = null;
+ − 3825 (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y);
+ − 3826 return point;
+ − 3827 }
+ − 3828 albersUsa.invert = function(coordinates) {
+ − 3829 var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k;
+ − 3830 return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates);
+ − 3831 };
+ − 3832 albersUsa.stream = function(stream) {
+ − 3833 var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream);
+ − 3834 return {
+ − 3835 point: function(x, y) {
+ − 3836 lower48Stream.point(x, y);
+ − 3837 alaskaStream.point(x, y);
+ − 3838 hawaiiStream.point(x, y);
+ − 3839 },
+ − 3840 sphere: function() {
+ − 3841 lower48Stream.sphere();
+ − 3842 alaskaStream.sphere();
+ − 3843 hawaiiStream.sphere();
+ − 3844 },
+ − 3845 lineStart: function() {
+ − 3846 lower48Stream.lineStart();
+ − 3847 alaskaStream.lineStart();
+ − 3848 hawaiiStream.lineStart();
+ − 3849 },
+ − 3850 lineEnd: function() {
+ − 3851 lower48Stream.lineEnd();
+ − 3852 alaskaStream.lineEnd();
+ − 3853 hawaiiStream.lineEnd();
+ − 3854 },
+ − 3855 polygonStart: function() {
+ − 3856 lower48Stream.polygonStart();
+ − 3857 alaskaStream.polygonStart();
+ − 3858 hawaiiStream.polygonStart();
+ − 3859 },
+ − 3860 polygonEnd: function() {
+ − 3861 lower48Stream.polygonEnd();
+ − 3862 alaskaStream.polygonEnd();
+ − 3863 hawaiiStream.polygonEnd();
+ − 3864 }
+ − 3865 };
+ − 3866 };
+ − 3867 albersUsa.precision = function(_) {
+ − 3868 if (!arguments.length) return lower48.precision();
+ − 3869 lower48.precision(_);
+ − 3870 alaska.precision(_);
+ − 3871 hawaii.precision(_);
+ − 3872 return albersUsa;
+ − 3873 };
+ − 3874 albersUsa.scale = function(_) {
+ − 3875 if (!arguments.length) return lower48.scale();
+ − 3876 lower48.scale(_);
+ − 3877 alaska.scale(_ * .35);
+ − 3878 hawaii.scale(_);
+ − 3879 return albersUsa.translate(lower48.translate());
+ − 3880 };
+ − 3881 albersUsa.translate = function(_) {
+ − 3882 if (!arguments.length) return lower48.translate();
+ − 3883 var k = lower48.scale(), x = +_[0], y = +_[1];
+ − 3884 lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point;
+ − 3885 alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
+ − 3886 hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
+ − 3887 return albersUsa;
+ − 3888 };
+ − 3889 return albersUsa.scale(1070);
+ − 3890 };
+ − 3891 var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
+ − 3892 point: d3_noop,
+ − 3893 lineStart: d3_noop,
+ − 3894 lineEnd: d3_noop,
+ − 3895 polygonStart: function() {
+ − 3896 d3_geo_pathAreaPolygon = 0;
+ − 3897 d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
+ − 3898 },
+ − 3899 polygonEnd: function() {
+ − 3900 d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
+ − 3901 d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2);
+ − 3902 }
+ − 3903 };
+ − 3904 function d3_geo_pathAreaRingStart() {
+ − 3905 var x00, y00, x0, y0;
+ − 3906 d3_geo_pathArea.point = function(x, y) {
+ − 3907 d3_geo_pathArea.point = nextPoint;
+ − 3908 x00 = x0 = x, y00 = y0 = y;
+ − 3909 };
+ − 3910 function nextPoint(x, y) {
+ − 3911 d3_geo_pathAreaPolygon += y0 * x - x0 * y;
+ − 3912 x0 = x, y0 = y;
+ − 3913 }
+ − 3914 d3_geo_pathArea.lineEnd = function() {
+ − 3915 nextPoint(x00, y00);
+ − 3916 };
+ − 3917 }
+ − 3918 var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1;
+ − 3919 var d3_geo_pathBounds = {
+ − 3920 point: d3_geo_pathBoundsPoint,
+ − 3921 lineStart: d3_noop,
+ − 3922 lineEnd: d3_noop,
+ − 3923 polygonStart: d3_noop,
+ − 3924 polygonEnd: d3_noop
+ − 3925 };
+ − 3926 function d3_geo_pathBoundsPoint(x, y) {
+ − 3927 if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x;
+ − 3928 if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x;
+ − 3929 if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y;
+ − 3930 if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y;
+ − 3931 }
+ − 3932 function d3_geo_pathBuffer() {
+ − 3933 var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = [];
+ − 3934 var stream = {
+ − 3935 point: point,
+ − 3936 lineStart: function() {
+ − 3937 stream.point = pointLineStart;
+ − 3938 },
+ − 3939 lineEnd: lineEnd,
+ − 3940 polygonStart: function() {
+ − 3941 stream.lineEnd = lineEndPolygon;
+ − 3942 },
+ − 3943 polygonEnd: function() {
+ − 3944 stream.lineEnd = lineEnd;
+ − 3945 stream.point = point;
+ − 3946 },
+ − 3947 pointRadius: function(_) {
+ − 3948 pointCircle = d3_geo_pathBufferCircle(_);
+ − 3949 return stream;
+ − 3950 },
+ − 3951 result: function() {
+ − 3952 if (buffer.length) {
+ − 3953 var result = buffer.join("");
+ − 3954 buffer = [];
+ − 3955 return result;
+ − 3956 }
+ − 3957 }
+ − 3958 };
+ − 3959 function point(x, y) {
+ − 3960 buffer.push("M", x, ",", y, pointCircle);
+ − 3961 }
+ − 3962 function pointLineStart(x, y) {
+ − 3963 buffer.push("M", x, ",", y);
+ − 3964 stream.point = pointLine;
+ − 3965 }
+ − 3966 function pointLine(x, y) {
+ − 3967 buffer.push("L", x, ",", y);
+ − 3968 }
+ − 3969 function lineEnd() {
+ − 3970 stream.point = point;
+ − 3971 }
+ − 3972 function lineEndPolygon() {
+ − 3973 buffer.push("Z");
+ − 3974 }
+ − 3975 return stream;
+ − 3976 }
+ − 3977 function d3_geo_pathBufferCircle(radius) {
+ − 3978 return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z";
+ − 3979 }
+ − 3980 var d3_geo_pathCentroid = {
+ − 3981 point: d3_geo_pathCentroidPoint,
+ − 3982 lineStart: d3_geo_pathCentroidLineStart,
+ − 3983 lineEnd: d3_geo_pathCentroidLineEnd,
+ − 3984 polygonStart: function() {
+ − 3985 d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
+ − 3986 },
+ − 3987 polygonEnd: function() {
+ − 3988 d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+ − 3989 d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
+ − 3990 d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
+ − 3991 }
+ − 3992 };
+ − 3993 function d3_geo_pathCentroidPoint(x, y) {
+ − 3994 d3_geo_centroidX0 += x;
+ − 3995 d3_geo_centroidY0 += y;
+ − 3996 ++d3_geo_centroidZ0;
+ − 3997 }
+ − 3998 function d3_geo_pathCentroidLineStart() {
+ − 3999 var x0, y0;
+ − 4000 d3_geo_pathCentroid.point = function(x, y) {
+ − 4001 d3_geo_pathCentroid.point = nextPoint;
+ − 4002 d3_geo_pathCentroidPoint(x0 = x, y0 = y);
+ − 4003 };
+ − 4004 function nextPoint(x, y) {
+ − 4005 var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
+ − 4006 d3_geo_centroidX1 += z * (x0 + x) / 2;
+ − 4007 d3_geo_centroidY1 += z * (y0 + y) / 2;
+ − 4008 d3_geo_centroidZ1 += z;
+ − 4009 d3_geo_pathCentroidPoint(x0 = x, y0 = y);
+ − 4010 }
+ − 4011 }
+ − 4012 function d3_geo_pathCentroidLineEnd() {
+ − 4013 d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+ − 4014 }
+ − 4015 function d3_geo_pathCentroidRingStart() {
+ − 4016 var x00, y00, x0, y0;
+ − 4017 d3_geo_pathCentroid.point = function(x, y) {
+ − 4018 d3_geo_pathCentroid.point = nextPoint;
+ − 4019 d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y);
+ − 4020 };
+ − 4021 function nextPoint(x, y) {
+ − 4022 var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
+ − 4023 d3_geo_centroidX1 += z * (x0 + x) / 2;
+ − 4024 d3_geo_centroidY1 += z * (y0 + y) / 2;
+ − 4025 d3_geo_centroidZ1 += z;
+ − 4026 z = y0 * x - x0 * y;
+ − 4027 d3_geo_centroidX2 += z * (x0 + x);
+ − 4028 d3_geo_centroidY2 += z * (y0 + y);
+ − 4029 d3_geo_centroidZ2 += z * 3;
+ − 4030 d3_geo_pathCentroidPoint(x0 = x, y0 = y);
+ − 4031 }
+ − 4032 d3_geo_pathCentroid.lineEnd = function() {
+ − 4033 nextPoint(x00, y00);
+ − 4034 };
+ − 4035 }
+ − 4036 function d3_geo_pathContext(context) {
+ − 4037 var pointRadius = 4.5;
+ − 4038 var stream = {
+ − 4039 point: point,
+ − 4040 lineStart: function() {
+ − 4041 stream.point = pointLineStart;
+ − 4042 },
+ − 4043 lineEnd: lineEnd,
+ − 4044 polygonStart: function() {
+ − 4045 stream.lineEnd = lineEndPolygon;
+ − 4046 },
+ − 4047 polygonEnd: function() {
+ − 4048 stream.lineEnd = lineEnd;
+ − 4049 stream.point = point;
+ − 4050 },
+ − 4051 pointRadius: function(_) {
+ − 4052 pointRadius = _;
+ − 4053 return stream;
+ − 4054 },
+ − 4055 result: d3_noop
+ − 4056 };
+ − 4057 function point(x, y) {
+ − 4058 context.moveTo(x + pointRadius, y);
+ − 4059 context.arc(x, y, pointRadius, 0, τ);
+ − 4060 }
+ − 4061 function pointLineStart(x, y) {
+ − 4062 context.moveTo(x, y);
+ − 4063 stream.point = pointLine;
+ − 4064 }
+ − 4065 function pointLine(x, y) {
+ − 4066 context.lineTo(x, y);
+ − 4067 }
+ − 4068 function lineEnd() {
+ − 4069 stream.point = point;
+ − 4070 }
+ − 4071 function lineEndPolygon() {
+ − 4072 context.closePath();
+ − 4073 }
+ − 4074 return stream;
+ − 4075 }
+ − 4076 function d3_geo_resample(project) {
+ − 4077 var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16;
+ − 4078 function resample(stream) {
+ − 4079 return (maxDepth ? resampleRecursive : resampleNone)(stream);
+ − 4080 }
+ − 4081 function resampleNone(stream) {
+ − 4082 return d3_geo_transformPoint(stream, function(x, y) {
+ − 4083 x = project(x, y);
+ − 4084 stream.point(x[0], x[1]);
+ − 4085 });
+ − 4086 }
+ − 4087 function resampleRecursive(stream) {
+ − 4088 var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0;
+ − 4089 var resample = {
+ − 4090 point: point,
+ − 4091 lineStart: lineStart,
+ − 4092 lineEnd: lineEnd,
+ − 4093 polygonStart: function() {
+ − 4094 stream.polygonStart();
+ − 4095 resample.lineStart = ringStart;
+ − 4096 },
+ − 4097 polygonEnd: function() {
+ − 4098 stream.polygonEnd();
+ − 4099 resample.lineStart = lineStart;
+ − 4100 }
+ − 4101 };
+ − 4102 function point(x, y) {
+ − 4103 x = project(x, y);
+ − 4104 stream.point(x[0], x[1]);
+ − 4105 }
+ − 4106 function lineStart() {
+ − 4107 x0 = NaN;
+ − 4108 resample.point = linePoint;
+ − 4109 stream.lineStart();
+ − 4110 }
+ − 4111 function linePoint(λ, φ) {
+ − 4112 var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
+ − 4113 resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
+ − 4114 stream.point(x0, y0);
+ − 4115 }
+ − 4116 function lineEnd() {
+ − 4117 resample.point = point;
+ − 4118 stream.lineEnd();
+ − 4119 }
+ − 4120 function ringStart() {
+ − 4121 lineStart();
+ − 4122 resample.point = ringPoint;
+ − 4123 resample.lineEnd = ringEnd;
+ − 4124 }
+ − 4125 function ringPoint(λ, φ) {
+ − 4126 linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
+ − 4127 resample.point = linePoint;
+ − 4128 }
+ − 4129 function ringEnd() {
+ − 4130 resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
+ − 4131 resample.lineEnd = lineEnd;
+ − 4132 lineEnd();
+ − 4133 }
+ − 4134 return resample;
+ − 4135 }
+ − 4136 function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
+ − 4137 var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
+ − 4138 if (d2 > 4 * δ2 && depth--) {
+ − 4139 var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;
+ − 4140 if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) {
+ − 4141 resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
+ − 4142 stream.point(x2, y2);
+ − 4143 resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
+ − 4144 }
+ − 4145 }
+ − 4146 }
+ − 4147 resample.precision = function(_) {
+ − 4148 if (!arguments.length) return Math.sqrt(δ2);
+ − 4149 maxDepth = (δ2 = _ * _) > 0 && 16;
+ − 4150 return resample;
+ − 4151 };
+ − 4152 return resample;
+ − 4153 }
+ − 4154 d3.geo.path = function() {
+ − 4155 var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream;
+ − 4156 function path(object) {
+ − 4157 if (object) {
+ − 4158 if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments));
+ − 4159 if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream);
+ − 4160 d3.geo.stream(object, cacheStream);
+ − 4161 }
+ − 4162 return contextStream.result();
+ − 4163 }
+ − 4164 path.area = function(object) {
+ − 4165 d3_geo_pathAreaSum = 0;
+ − 4166 d3.geo.stream(object, projectStream(d3_geo_pathArea));
+ − 4167 return d3_geo_pathAreaSum;
+ − 4168 };
+ − 4169 path.centroid = function(object) {
+ − 4170 d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
+ − 4171 d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
+ − 4172 return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ];
+ − 4173 };
+ − 4174 path.bounds = function(object) {
+ − 4175 d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity);
+ − 4176 d3.geo.stream(object, projectStream(d3_geo_pathBounds));
+ − 4177 return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ];
+ − 4178 };
+ − 4179 path.projection = function(_) {
+ − 4180 if (!arguments.length) return projection;
+ − 4181 projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
+ − 4182 return reset();
+ − 4183 };
+ − 4184 path.context = function(_) {
+ − 4185 if (!arguments.length) return context;
+ − 4186 contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
+ − 4187 if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius);
+ − 4188 return reset();
+ − 4189 };
+ − 4190 path.pointRadius = function(_) {
+ − 4191 if (!arguments.length) return pointRadius;
+ − 4192 pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_);
+ − 4193 return path;
+ − 4194 };
+ − 4195 function reset() {
+ − 4196 cacheStream = null;
+ − 4197 return path;
+ − 4198 }
+ − 4199 return path.projection(d3.geo.albersUsa()).context(null);
+ − 4200 };
+ − 4201 function d3_geo_pathProjectStream(project) {
+ − 4202 var resample = d3_geo_resample(function(x, y) {
+ − 4203 return project([ x * d3_degrees, y * d3_degrees ]);
+ − 4204 });
+ − 4205 return function(stream) {
+ − 4206 return d3_geo_projectionRadians(resample(stream));
+ − 4207 };
+ − 4208 }
+ − 4209 d3.geo.transform = function(methods) {
+ − 4210 return {
+ − 4211 stream: function(stream) {
+ − 4212 var transform = new d3_geo_transform(stream);
+ − 4213 for (var k in methods) transform[k] = methods[k];
+ − 4214 return transform;
+ − 4215 }
+ − 4216 };
+ − 4217 };
+ − 4218 function d3_geo_transform(stream) {
+ − 4219 this.stream = stream;
+ − 4220 }
+ − 4221 d3_geo_transform.prototype = {
+ − 4222 point: function(x, y) {
+ − 4223 this.stream.point(x, y);
+ − 4224 },
+ − 4225 sphere: function() {
+ − 4226 this.stream.sphere();
+ − 4227 },
+ − 4228 lineStart: function() {
+ − 4229 this.stream.lineStart();
+ − 4230 },
+ − 4231 lineEnd: function() {
+ − 4232 this.stream.lineEnd();
+ − 4233 },
+ − 4234 polygonStart: function() {
+ − 4235 this.stream.polygonStart();
+ − 4236 },
+ − 4237 polygonEnd: function() {
+ − 4238 this.stream.polygonEnd();
+ − 4239 }
+ − 4240 };
+ − 4241 function d3_geo_transformPoint(stream, point) {
+ − 4242 return {
+ − 4243 point: point,
+ − 4244 sphere: function() {
+ − 4245 stream.sphere();
+ − 4246 },
+ − 4247 lineStart: function() {
+ − 4248 stream.lineStart();
+ − 4249 },
+ − 4250 lineEnd: function() {
+ − 4251 stream.lineEnd();
+ − 4252 },
+ − 4253 polygonStart: function() {
+ − 4254 stream.polygonStart();
+ − 4255 },
+ − 4256 polygonEnd: function() {
+ − 4257 stream.polygonEnd();
+ − 4258 }
+ − 4259 };
+ − 4260 }
+ − 4261 d3.geo.projection = d3_geo_projection;
+ − 4262 d3.geo.projectionMutator = d3_geo_projectionMutator;
+ − 4263 function d3_geo_projection(project) {
+ − 4264 return d3_geo_projectionMutator(function() {
+ − 4265 return project;
+ − 4266 })();
+ − 4267 }
+ − 4268 function d3_geo_projectionMutator(projectAt) {
+ − 4269 var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
+ − 4270 x = project(x, y);
+ − 4271 return [ x[0] * k + δx, δy - x[1] * k ];
+ − 4272 }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream;
+ − 4273 function projection(point) {
+ − 4274 point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
+ − 4275 return [ point[0] * k + δx, δy - point[1] * k ];
+ − 4276 }
+ − 4277 function invert(point) {
+ − 4278 point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
+ − 4279 return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];
+ − 4280 }
+ − 4281 projection.stream = function(output) {
+ − 4282 if (stream) stream.valid = false;
+ − 4283 stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output))));
+ − 4284 stream.valid = true;
+ − 4285 return stream;
+ − 4286 };
+ − 4287 projection.clipAngle = function(_) {
+ − 4288 if (!arguments.length) return clipAngle;
+ − 4289 preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);
+ − 4290 return invalidate();
+ − 4291 };
+ − 4292 projection.clipExtent = function(_) {
+ − 4293 if (!arguments.length) return clipExtent;
+ − 4294 clipExtent = _;
+ − 4295 postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity;
+ − 4296 return invalidate();
+ − 4297 };
+ − 4298 projection.scale = function(_) {
+ − 4299 if (!arguments.length) return k;
+ − 4300 k = +_;
+ − 4301 return reset();
+ − 4302 };
+ − 4303 projection.translate = function(_) {
+ − 4304 if (!arguments.length) return [ x, y ];
+ − 4305 x = +_[0];
+ − 4306 y = +_[1];
+ − 4307 return reset();
+ − 4308 };
+ − 4309 projection.center = function(_) {
+ − 4310 if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
+ − 4311 λ = _[0] % 360 * d3_radians;
+ − 4312 φ = _[1] % 360 * d3_radians;
+ − 4313 return reset();
+ − 4314 };
+ − 4315 projection.rotate = function(_) {
+ − 4316 if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
+ − 4317 δλ = _[0] % 360 * d3_radians;
+ − 4318 δφ = _[1] % 360 * d3_radians;
+ − 4319 δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
+ − 4320 return reset();
+ − 4321 };
+ − 4322 d3.rebind(projection, projectResample, "precision");
+ − 4323 function reset() {
+ − 4324 projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
+ − 4325 var center = project(λ, φ);
+ − 4326 δx = x - center[0] * k;
+ − 4327 δy = y + center[1] * k;
+ − 4328 return invalidate();
+ − 4329 }
+ − 4330 function invalidate() {
+ − 4331 if (stream) stream.valid = false, stream = null;
+ − 4332 return projection;
+ − 4333 }
+ − 4334 return function() {
+ − 4335 project = projectAt.apply(this, arguments);
+ − 4336 projection.invert = project.invert && invert;
+ − 4337 return reset();
+ − 4338 };
+ − 4339 }
+ − 4340 function d3_geo_projectionRadians(stream) {
+ − 4341 return d3_geo_transformPoint(stream, function(x, y) {
+ − 4342 stream.point(x * d3_radians, y * d3_radians);
+ − 4343 });
+ − 4344 }
+ − 4345 function d3_geo_equirectangular(λ, φ) {
+ − 4346 return [ λ, φ ];
+ − 4347 }
+ − 4348 (d3.geo.equirectangular = function() {
+ − 4349 return d3_geo_projection(d3_geo_equirectangular);
+ − 4350 }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
+ − 4351 d3.geo.rotation = function(rotate) {
+ − 4352 rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);
+ − 4353 function forward(coordinates) {
+ − 4354 coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
+ − 4355 return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
+ − 4356 }
+ − 4357 forward.invert = function(coordinates) {
+ − 4358 coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
+ − 4359 return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
+ − 4360 };
+ − 4361 return forward;
+ − 4362 };
+ − 4363 function d3_geo_identityRotation(λ, φ) {
+ − 4364 return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
+ − 4365 }
+ − 4366 d3_geo_identityRotation.invert = d3_geo_equirectangular;
+ − 4367 function d3_geo_rotation(δλ, δφ, δγ) {
+ − 4368 return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation;
+ − 4369 }
+ − 4370 function d3_geo_forwardRotationλ(δλ) {
+ − 4371 return function(λ, φ) {
+ − 4372 return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
+ − 4373 };
+ − 4374 }
+ − 4375 function d3_geo_rotationλ(δλ) {
+ − 4376 var rotation = d3_geo_forwardRotationλ(δλ);
+ − 4377 rotation.invert = d3_geo_forwardRotationλ(-δλ);
+ − 4378 return rotation;
+ − 4379 }
+ − 4380 function d3_geo_rotationφγ(δφ, δγ) {
+ − 4381 var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
+ − 4382 function rotation(λ, φ) {
+ − 4383 var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
+ − 4384 return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ];
+ − 4385 }
+ − 4386 rotation.invert = function(λ, φ) {
+ − 4387 var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
+ − 4388 return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ];
+ − 4389 };
+ − 4390 return rotation;
+ − 4391 }
+ − 4392 d3.geo.circle = function() {
+ − 4393 var origin = [ 0, 0 ], angle, precision = 6, interpolate;
+ − 4394 function circle() {
+ − 4395 var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = [];
+ − 4396 interpolate(null, null, 1, {
+ − 4397 point: function(x, y) {
+ − 4398 ring.push(x = rotate(x, y));
+ − 4399 x[0] *= d3_degrees, x[1] *= d3_degrees;
+ − 4400 }
+ − 4401 });
+ − 4402 return {
+ − 4403 type: "Polygon",
+ − 4404 coordinates: [ ring ]
+ − 4405 };
+ − 4406 }
+ − 4407 circle.origin = function(x) {
+ − 4408 if (!arguments.length) return origin;
+ − 4409 origin = x;
+ − 4410 return circle;
+ − 4411 };
+ − 4412 circle.angle = function(x) {
+ − 4413 if (!arguments.length) return angle;
+ − 4414 interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
+ − 4415 return circle;
+ − 4416 };
+ − 4417 circle.precision = function(_) {
+ − 4418 if (!arguments.length) return precision;
+ − 4419 interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
+ − 4420 return circle;
+ − 4421 };
+ − 4422 return circle.angle(90);
+ − 4423 };
+ − 4424 function d3_geo_circleInterpolate(radius, precision) {
+ − 4425 var cr = Math.cos(radius), sr = Math.sin(radius);
+ − 4426 return function(from, to, direction, listener) {
+ − 4427 var step = direction * precision;
+ − 4428 if (from != null) {
+ − 4429 from = d3_geo_circleAngle(cr, from);
+ − 4430 to = d3_geo_circleAngle(cr, to);
+ − 4431 if (direction > 0 ? from < to : from > to) from += direction * τ;
+ − 4432 } else {
+ − 4433 from = radius + direction * τ;
+ − 4434 to = radius - .5 * step;
+ − 4435 }
+ − 4436 for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) {
+ − 4437 listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
+ − 4438 }
+ − 4439 };
+ − 4440 }
+ − 4441 function d3_geo_circleAngle(cr, point) {
+ − 4442 var a = d3_geo_cartesian(point);
+ − 4443 a[0] -= cr;
+ − 4444 d3_geo_cartesianNormalize(a);
+ − 4445 var angle = d3_acos(-a[1]);
+ − 4446 return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
+ − 4447 }
+ − 4448 d3.geo.distance = function(a, b) {
+ − 4449 var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t;
+ − 4450 return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);
+ − 4451 };
+ − 4452 d3.geo.graticule = function() {
+ − 4453 var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;
+ − 4454 function graticule() {
+ − 4455 return {
+ − 4456 type: "MultiLineString",
+ − 4457 coordinates: lines()
+ − 4458 };
+ − 4459 }
+ − 4460 function lines() {
+ − 4461 return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) {
+ − 4462 return abs(x % DX) > ε;
+ − 4463 }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
+ − 4464 return abs(y % DY) > ε;
+ − 4465 }).map(y));
+ − 4466 }
+ − 4467 graticule.lines = function() {
+ − 4468 return lines().map(function(coordinates) {
+ − 4469 return {
+ − 4470 type: "LineString",
+ − 4471 coordinates: coordinates
+ − 4472 };
+ − 4473 });
+ − 4474 };
+ − 4475 graticule.outline = function() {
+ − 4476 return {
+ − 4477 type: "Polygon",
+ − 4478 coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]
+ − 4479 };
+ − 4480 };
+ − 4481 graticule.extent = function(_) {
+ − 4482 if (!arguments.length) return graticule.minorExtent();
+ − 4483 return graticule.majorExtent(_).minorExtent(_);
+ − 4484 };
+ − 4485 graticule.majorExtent = function(_) {
+ − 4486 if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];
+ − 4487 X0 = +_[0][0], X1 = +_[1][0];
+ − 4488 Y0 = +_[0][1], Y1 = +_[1][1];
+ − 4489 if (X0 > X1) _ = X0, X0 = X1, X1 = _;
+ − 4490 if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;
+ − 4491 return graticule.precision(precision);
+ − 4492 };
+ − 4493 graticule.minorExtent = function(_) {
+ − 4494 if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
+ − 4495 x0 = +_[0][0], x1 = +_[1][0];
+ − 4496 y0 = +_[0][1], y1 = +_[1][1];
+ − 4497 if (x0 > x1) _ = x0, x0 = x1, x1 = _;
+ − 4498 if (y0 > y1) _ = y0, y0 = y1, y1 = _;
+ − 4499 return graticule.precision(precision);
+ − 4500 };
+ − 4501 graticule.step = function(_) {
+ − 4502 if (!arguments.length) return graticule.minorStep();
+ − 4503 return graticule.majorStep(_).minorStep(_);
+ − 4504 };
+ − 4505 graticule.majorStep = function(_) {
+ − 4506 if (!arguments.length) return [ DX, DY ];
+ − 4507 DX = +_[0], DY = +_[1];
+ − 4508 return graticule;
+ − 4509 };
+ − 4510 graticule.minorStep = function(_) {
+ − 4511 if (!arguments.length) return [ dx, dy ];
+ − 4512 dx = +_[0], dy = +_[1];
+ − 4513 return graticule;
+ − 4514 };
+ − 4515 graticule.precision = function(_) {
+ − 4516 if (!arguments.length) return precision;
+ − 4517 precision = +_;
+ − 4518 x = d3_geo_graticuleX(y0, y1, 90);
+ − 4519 y = d3_geo_graticuleY(x0, x1, precision);
+ − 4520 X = d3_geo_graticuleX(Y0, Y1, 90);
+ − 4521 Y = d3_geo_graticuleY(X0, X1, precision);
+ − 4522 return graticule;
+ − 4523 };
+ − 4524 return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);
+ − 4525 };
+ − 4526 function d3_geo_graticuleX(y0, y1, dy) {
+ − 4527 var y = d3.range(y0, y1 - ε, dy).concat(y1);
+ − 4528 return function(x) {
+ − 4529 return y.map(function(y) {
+ − 4530 return [ x, y ];
+ − 4531 });
+ − 4532 };
+ − 4533 }
+ − 4534 function d3_geo_graticuleY(x0, x1, dx) {
+ − 4535 var x = d3.range(x0, x1 - ε, dx).concat(x1);
+ − 4536 return function(y) {
+ − 4537 return x.map(function(x) {
+ − 4538 return [ x, y ];
+ − 4539 });
+ − 4540 };
+ − 4541 }
+ − 4542 function d3_source(d) {
+ − 4543 return d.source;
+ − 4544 }
+ − 4545 function d3_target(d) {
+ − 4546 return d.target;
+ − 4547 }
+ − 4548 d3.geo.greatArc = function() {
+ − 4549 var source = d3_source, source_, target = d3_target, target_;
+ − 4550 function greatArc() {
+ − 4551 return {
+ − 4552 type: "LineString",
+ − 4553 coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]
+ − 4554 };
+ − 4555 }
+ − 4556 greatArc.distance = function() {
+ − 4557 return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));
+ − 4558 };
+ − 4559 greatArc.source = function(_) {
+ − 4560 if (!arguments.length) return source;
+ − 4561 source = _, source_ = typeof _ === "function" ? null : _;
+ − 4562 return greatArc;
+ − 4563 };
+ − 4564 greatArc.target = function(_) {
+ − 4565 if (!arguments.length) return target;
+ − 4566 target = _, target_ = typeof _ === "function" ? null : _;
+ − 4567 return greatArc;
+ − 4568 };
+ − 4569 greatArc.precision = function() {
+ − 4570 return arguments.length ? greatArc : 0;
+ − 4571 };
+ − 4572 return greatArc;
+ − 4573 };
+ − 4574 d3.geo.interpolate = function(source, target) {
+ − 4575 return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
+ − 4576 };
+ − 4577 function d3_geo_interpolate(x0, y0, x1, y1) {
+ − 4578 var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d);
+ − 4579 var interpolate = d ? function(t) {
+ − 4580 var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
+ − 4581 return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];
+ − 4582 } : function() {
+ − 4583 return [ x0 * d3_degrees, y0 * d3_degrees ];
+ − 4584 };
+ − 4585 interpolate.distance = d;
+ − 4586 return interpolate;
+ − 4587 }
+ − 4588 d3.geo.length = function(object) {
+ − 4589 d3_geo_lengthSum = 0;
+ − 4590 d3.geo.stream(object, d3_geo_length);
+ − 4591 return d3_geo_lengthSum;
+ − 4592 };
+ − 4593 var d3_geo_lengthSum;
+ − 4594 var d3_geo_length = {
+ − 4595 sphere: d3_noop,
+ − 4596 point: d3_noop,
+ − 4597 lineStart: d3_geo_lengthLineStart,
+ − 4598 lineEnd: d3_noop,
+ − 4599 polygonStart: d3_noop,
+ − 4600 polygonEnd: d3_noop
+ − 4601 };
+ − 4602 function d3_geo_lengthLineStart() {
+ − 4603 var λ0, sinφ0, cosφ0;
+ − 4604 d3_geo_length.point = function(λ, φ) {
+ − 4605 λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);
+ − 4606 d3_geo_length.point = nextPoint;
+ − 4607 };
+ − 4608 d3_geo_length.lineEnd = function() {
+ − 4609 d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;
+ − 4610 };
+ − 4611 function nextPoint(λ, φ) {
+ − 4612 var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);
+ − 4613 d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ);
+ − 4614 λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;
+ − 4615 }
+ − 4616 }
+ − 4617 function d3_geo_azimuthal(scale, angle) {
+ − 4618 function azimuthal(λ, φ) {
+ − 4619 var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
+ − 4620 return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
+ − 4621 }
+ − 4622 azimuthal.invert = function(x, y) {
+ − 4623 var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
+ − 4624 return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
+ − 4625 };
+ − 4626 return azimuthal;
+ − 4627 }
+ − 4628 var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
+ − 4629 return Math.sqrt(2 / (1 + cosλcosφ));
+ − 4630 }, function(ρ) {
+ − 4631 return 2 * Math.asin(ρ / 2);
+ − 4632 });
+ − 4633 (d3.geo.azimuthalEqualArea = function() {
+ − 4634 return d3_geo_projection(d3_geo_azimuthalEqualArea);
+ − 4635 }).raw = d3_geo_azimuthalEqualArea;
+ − 4636 var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
+ − 4637 var c = Math.acos(cosλcosφ);
+ − 4638 return c && c / Math.sin(c);
+ − 4639 }, d3_identity);
+ − 4640 (d3.geo.azimuthalEquidistant = function() {
+ − 4641 return d3_geo_projection(d3_geo_azimuthalEquidistant);
+ − 4642 }).raw = d3_geo_azimuthalEquidistant;
+ − 4643 function d3_geo_conicConformal(φ0, φ1) {
+ − 4644 var cosφ0 = Math.cos(φ0), t = function(φ) {
+ − 4645 return Math.tan(π / 4 + φ / 2);
+ − 4646 }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n;
+ − 4647 if (!n) return d3_geo_mercator;
+ − 4648 function forward(λ, φ) {
+ − 4649 if (F > 0) {
+ − 4650 if (φ < -halfπ + ε) φ = -halfπ + ε;
+ − 4651 } else {
+ − 4652 if (φ > halfπ - ε) φ = halfπ - ε;
+ − 4653 }
+ − 4654 var ρ = F / Math.pow(t(φ), n);
+ − 4655 return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];
+ − 4656 }
+ − 4657 forward.invert = function(x, y) {
+ − 4658 var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);
+ − 4659 return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ];
+ − 4660 };
+ − 4661 return forward;
+ − 4662 }
+ − 4663 (d3.geo.conicConformal = function() {
+ − 4664 return d3_geo_conic(d3_geo_conicConformal);
+ − 4665 }).raw = d3_geo_conicConformal;
+ − 4666 function d3_geo_conicEquidistant(φ0, φ1) {
+ − 4667 var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;
+ − 4668 if (abs(n) < ε) return d3_geo_equirectangular;
+ − 4669 function forward(λ, φ) {
+ − 4670 var ρ = G - φ;
+ − 4671 return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];
+ − 4672 }
+ − 4673 forward.invert = function(x, y) {
+ − 4674 var ρ0_y = G - y;
+ − 4675 return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];
+ − 4676 };
+ − 4677 return forward;
+ − 4678 }
+ − 4679 (d3.geo.conicEquidistant = function() {
+ − 4680 return d3_geo_conic(d3_geo_conicEquidistant);
+ − 4681 }).raw = d3_geo_conicEquidistant;
+ − 4682 var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
+ − 4683 return 1 / cosλcosφ;
+ − 4684 }, Math.atan);
+ − 4685 (d3.geo.gnomonic = function() {
+ − 4686 return d3_geo_projection(d3_geo_gnomonic);
+ − 4687 }).raw = d3_geo_gnomonic;
+ − 4688 function d3_geo_mercator(λ, φ) {
+ − 4689 return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];
+ − 4690 }
+ − 4691 d3_geo_mercator.invert = function(x, y) {
+ − 4692 return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ];
+ − 4693 };
+ − 4694 function d3_geo_mercatorProjection(project) {
+ − 4695 var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;
+ − 4696 m.scale = function() {
+ − 4697 var v = scale.apply(m, arguments);
+ − 4698 return v === m ? clipAuto ? m.clipExtent(null) : m : v;
+ − 4699 };
+ − 4700 m.translate = function() {
+ − 4701 var v = translate.apply(m, arguments);
+ − 4702 return v === m ? clipAuto ? m.clipExtent(null) : m : v;
+ − 4703 };
+ − 4704 m.clipExtent = function(_) {
+ − 4705 var v = clipExtent.apply(m, arguments);
+ − 4706 if (v === m) {
+ − 4707 if (clipAuto = _ == null) {
+ − 4708 var k = π * scale(), t = translate();
+ − 4709 clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);
+ − 4710 }
+ − 4711 } else if (clipAuto) {
+ − 4712 v = null;
+ − 4713 }
+ − 4714 return v;
+ − 4715 };
+ − 4716 return m.clipExtent(null);
+ − 4717 }
+ − 4718 (d3.geo.mercator = function() {
+ − 4719 return d3_geo_mercatorProjection(d3_geo_mercator);
+ − 4720 }).raw = d3_geo_mercator;
+ − 4721 var d3_geo_orthographic = d3_geo_azimuthal(function() {
+ − 4722 return 1;
+ − 4723 }, Math.asin);
+ − 4724 (d3.geo.orthographic = function() {
+ − 4725 return d3_geo_projection(d3_geo_orthographic);
+ − 4726 }).raw = d3_geo_orthographic;
+ − 4727 var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
+ − 4728 return 1 / (1 + cosλcosφ);
+ − 4729 }, function(ρ) {
+ − 4730 return 2 * Math.atan(ρ);
+ − 4731 });
+ − 4732 (d3.geo.stereographic = function() {
+ − 4733 return d3_geo_projection(d3_geo_stereographic);
+ − 4734 }).raw = d3_geo_stereographic;
+ − 4735 function d3_geo_transverseMercator(λ, φ) {
+ − 4736 return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ];
+ − 4737 }
+ − 4738 d3_geo_transverseMercator.invert = function(x, y) {
+ − 4739 return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ];
+ − 4740 };
+ − 4741 (d3.geo.transverseMercator = function() {
+ − 4742 var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate;
+ − 4743 projection.center = function(_) {
+ − 4744 return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]);
+ − 4745 };
+ − 4746 projection.rotate = function(_) {
+ − 4747 return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(),
+ − 4748 [ _[0], _[1], _[2] - 90 ]);
+ − 4749 };
+ − 4750 return rotate([ 0, 0, 90 ]);
+ − 4751 }).raw = d3_geo_transverseMercator;
+ − 4752 d3.geom = {};
+ − 4753 function d3_geom_pointX(d) {
+ − 4754 return d[0];
+ − 4755 }
+ − 4756 function d3_geom_pointY(d) {
+ − 4757 return d[1];
+ − 4758 }
+ − 4759 d3.geom.hull = function(vertices) {
+ − 4760 var x = d3_geom_pointX, y = d3_geom_pointY;
+ − 4761 if (arguments.length) return hull(vertices);
+ − 4762 function hull(data) {
+ − 4763 if (data.length < 3) return [];
+ − 4764 var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = [];
+ − 4765 for (i = 0; i < n; i++) {
+ − 4766 points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]);
+ − 4767 }
+ − 4768 points.sort(d3_geom_hullOrder);
+ − 4769 for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]);
+ − 4770 var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints);
+ − 4771 var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = [];
+ − 4772 for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]);
+ − 4773 for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]);
+ − 4774 return polygon;
+ − 4775 }
+ − 4776 hull.x = function(_) {
+ − 4777 return arguments.length ? (x = _, hull) : x;
+ − 4778 };
+ − 4779 hull.y = function(_) {
+ − 4780 return arguments.length ? (y = _, hull) : y;
+ − 4781 };
+ − 4782 return hull;
+ − 4783 };
+ − 4784 function d3_geom_hullUpper(points) {
+ − 4785 var n = points.length, hull = [ 0, 1 ], hs = 2;
+ − 4786 for (var i = 2; i < n; i++) {
+ − 4787 while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs;
+ − 4788 hull[hs++] = i;
+ − 4789 }
+ − 4790 return hull.slice(0, hs);
+ − 4791 }
+ − 4792 function d3_geom_hullOrder(a, b) {
+ − 4793 return a[0] - b[0] || a[1] - b[1];
+ − 4794 }
+ − 4795 d3.geom.polygon = function(coordinates) {
+ − 4796 d3_subclass(coordinates, d3_geom_polygonPrototype);
+ − 4797 return coordinates;
+ − 4798 };
+ − 4799 var d3_geom_polygonPrototype = d3.geom.polygon.prototype = [];
+ − 4800 d3_geom_polygonPrototype.area = function() {
+ − 4801 var i = -1, n = this.length, a, b = this[n - 1], area = 0;
+ − 4802 while (++i < n) {
+ − 4803 a = b;
+ − 4804 b = this[i];
+ − 4805 area += a[1] * b[0] - a[0] * b[1];
+ − 4806 }
+ − 4807 return area * .5;
+ − 4808 };
+ − 4809 d3_geom_polygonPrototype.centroid = function(k) {
+ − 4810 var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c;
+ − 4811 if (!arguments.length) k = -1 / (6 * this.area());
+ − 4812 while (++i < n) {
+ − 4813 a = b;
+ − 4814 b = this[i];
+ − 4815 c = a[0] * b[1] - b[0] * a[1];
+ − 4816 x += (a[0] + b[0]) * c;
+ − 4817 y += (a[1] + b[1]) * c;
+ − 4818 }
+ − 4819 return [ x * k, y * k ];
+ − 4820 };
+ − 4821 d3_geom_polygonPrototype.clip = function(subject) {
+ − 4822 var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d;
+ − 4823 while (++i < n) {
+ − 4824 input = subject.slice();
+ − 4825 subject.length = 0;
+ − 4826 b = this[i];
+ − 4827 c = input[(m = input.length - closed) - 1];
+ − 4828 j = -1;
+ − 4829 while (++j < m) {
+ − 4830 d = input[j];
+ − 4831 if (d3_geom_polygonInside(d, a, b)) {
+ − 4832 if (!d3_geom_polygonInside(c, a, b)) {
+ − 4833 subject.push(d3_geom_polygonIntersect(c, d, a, b));
+ − 4834 }
+ − 4835 subject.push(d);
+ − 4836 } else if (d3_geom_polygonInside(c, a, b)) {
+ − 4837 subject.push(d3_geom_polygonIntersect(c, d, a, b));
+ − 4838 }
+ − 4839 c = d;
+ − 4840 }
+ − 4841 if (closed) subject.push(subject[0]);
+ − 4842 a = b;
+ − 4843 }
+ − 4844 return subject;
+ − 4845 };
+ − 4846 function d3_geom_polygonInside(p, a, b) {
+ − 4847 return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
+ − 4848 }
+ − 4849 function d3_geom_polygonIntersect(c, d, a, b) {
+ − 4850 var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);
+ − 4851 return [ x1 + ua * x21, y1 + ua * y21 ];
+ − 4852 }
+ − 4853 function d3_geom_polygonClosed(coordinates) {
+ − 4854 var a = coordinates[0], b = coordinates[coordinates.length - 1];
+ − 4855 return !(a[0] - b[0] || a[1] - b[1]);
+ − 4856 }
+ − 4857 var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = [];
+ − 4858 function d3_geom_voronoiBeach() {
+ − 4859 d3_geom_voronoiRedBlackNode(this);
+ − 4860 this.edge = this.site = this.circle = null;
+ − 4861 }
+ − 4862 function d3_geom_voronoiCreateBeach(site) {
+ − 4863 var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach();
+ − 4864 beach.site = site;
+ − 4865 return beach;
+ − 4866 }
+ − 4867 function d3_geom_voronoiDetachBeach(beach) {
+ − 4868 d3_geom_voronoiDetachCircle(beach);
+ − 4869 d3_geom_voronoiBeaches.remove(beach);
+ − 4870 d3_geom_voronoiBeachPool.push(beach);
+ − 4871 d3_geom_voronoiRedBlackNode(beach);
+ − 4872 }
+ − 4873 function d3_geom_voronoiRemoveBeach(beach) {
+ − 4874 var circle = beach.circle, x = circle.x, y = circle.cy, vertex = {
+ − 4875 x: x,
+ − 4876 y: y
+ − 4877 }, previous = beach.P, next = beach.N, disappearing = [ beach ];
+ − 4878 d3_geom_voronoiDetachBeach(beach);
+ − 4879 var lArc = previous;
+ − 4880 while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) {
+ − 4881 previous = lArc.P;
+ − 4882 disappearing.unshift(lArc);
+ − 4883 d3_geom_voronoiDetachBeach(lArc);
+ − 4884 lArc = previous;
+ − 4885 }
+ − 4886 disappearing.unshift(lArc);
+ − 4887 d3_geom_voronoiDetachCircle(lArc);
+ − 4888 var rArc = next;
+ − 4889 while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) {
+ − 4890 next = rArc.N;
+ − 4891 disappearing.push(rArc);
+ − 4892 d3_geom_voronoiDetachBeach(rArc);
+ − 4893 rArc = next;
+ − 4894 }
+ − 4895 disappearing.push(rArc);
+ − 4896 d3_geom_voronoiDetachCircle(rArc);
+ − 4897 var nArcs = disappearing.length, iArc;
+ − 4898 for (iArc = 1; iArc < nArcs; ++iArc) {
+ − 4899 rArc = disappearing[iArc];
+ − 4900 lArc = disappearing[iArc - 1];
+ − 4901 d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);
+ − 4902 }
+ − 4903 lArc = disappearing[0];
+ − 4904 rArc = disappearing[nArcs - 1];
+ − 4905 rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex);
+ − 4906 d3_geom_voronoiAttachCircle(lArc);
+ − 4907 d3_geom_voronoiAttachCircle(rArc);
+ − 4908 }
+ − 4909 function d3_geom_voronoiAddBeach(site) {
+ − 4910 var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._;
+ − 4911 while (node) {
+ − 4912 dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x;
+ − 4913 if (dxl > ε) node = node.L; else {
+ − 4914 dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix);
+ − 4915 if (dxr > ε) {
+ − 4916 if (!node.R) {
+ − 4917 lArc = node;
+ − 4918 break;
+ − 4919 }
+ − 4920 node = node.R;
+ − 4921 } else {
+ − 4922 if (dxl > -ε) {
+ − 4923 lArc = node.P;
+ − 4924 rArc = node;
+ − 4925 } else if (dxr > -ε) {
+ − 4926 lArc = node;
+ − 4927 rArc = node.N;
+ − 4928 } else {
+ − 4929 lArc = rArc = node;
+ − 4930 }
+ − 4931 break;
+ − 4932 }
+ − 4933 }
+ − 4934 }
+ − 4935 var newArc = d3_geom_voronoiCreateBeach(site);
+ − 4936 d3_geom_voronoiBeaches.insert(lArc, newArc);
+ − 4937 if (!lArc && !rArc) return;
+ − 4938 if (lArc === rArc) {
+ − 4939 d3_geom_voronoiDetachCircle(lArc);
+ − 4940 rArc = d3_geom_voronoiCreateBeach(lArc.site);
+ − 4941 d3_geom_voronoiBeaches.insert(newArc, rArc);
+ − 4942 newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
+ − 4943 d3_geom_voronoiAttachCircle(lArc);
+ − 4944 d3_geom_voronoiAttachCircle(rArc);
+ − 4945 return;
+ − 4946 }
+ − 4947 if (!rArc) {
+ − 4948 newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
+ − 4949 return;
+ − 4950 }
+ − 4951 d3_geom_voronoiDetachCircle(lArc);
+ − 4952 d3_geom_voronoiDetachCircle(rArc);
+ − 4953 var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = {
+ − 4954 x: (cy * hb - by * hc) / d + ax,
+ − 4955 y: (bx * hc - cx * hb) / d + ay
+ − 4956 };
+ − 4957 d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex);
+ − 4958 newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex);
+ − 4959 rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex);
+ − 4960 d3_geom_voronoiAttachCircle(lArc);
+ − 4961 d3_geom_voronoiAttachCircle(rArc);
+ − 4962 }
+ − 4963 function d3_geom_voronoiLeftBreakPoint(arc, directrix) {
+ − 4964 var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix;
+ − 4965 if (!pby2) return rfocx;
+ − 4966 var lArc = arc.P;
+ − 4967 if (!lArc) return -Infinity;
+ − 4968 site = lArc.site;
+ − 4969 var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix;
+ − 4970 if (!plby2) return lfocx;
+ − 4971 var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2;
+ − 4972 if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;
+ − 4973 return (rfocx + lfocx) / 2;
+ − 4974 }
+ − 4975 function d3_geom_voronoiRightBreakPoint(arc, directrix) {
+ − 4976 var rArc = arc.N;
+ − 4977 if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix);
+ − 4978 var site = arc.site;
+ − 4979 return site.y === directrix ? site.x : Infinity;
+ − 4980 }
+ − 4981 function d3_geom_voronoiCell(site) {
+ − 4982 this.site = site;
+ − 4983 this.edges = [];
+ − 4984 }
+ − 4985 d3_geom_voronoiCell.prototype.prepare = function() {
+ − 4986 var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge;
+ − 4987 while (iHalfEdge--) {
+ − 4988 edge = halfEdges[iHalfEdge].edge;
+ − 4989 if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1);
+ − 4990 }
+ − 4991 halfEdges.sort(d3_geom_voronoiHalfEdgeOrder);
+ − 4992 return halfEdges.length;
+ − 4993 };
+ − 4994 function d3_geom_voronoiCloseCells(extent) {
+ − 4995 var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end;
+ − 4996 while (iCell--) {
+ − 4997 cell = cells[iCell];
+ − 4998 if (!cell || !cell.prepare()) continue;
+ − 4999 halfEdges = cell.edges;
+ − 5000 nHalfEdges = halfEdges.length;
+ − 5001 iHalfEdge = 0;
+ − 5002 while (iHalfEdge < nHalfEdges) {
+ − 5003 end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y;
+ − 5004 start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y;
+ − 5005 if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) {
+ − 5006 halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? {
+ − 5007 x: x0,
+ − 5008 y: abs(x2 - x0) < ε ? y2 : y1
+ − 5009 } : abs(y3 - y1) < ε && x1 - x3 > ε ? {
+ − 5010 x: abs(y2 - y1) < ε ? x2 : x1,
+ − 5011 y: y1
+ − 5012 } : abs(x3 - x1) < ε && y3 - y0 > ε ? {
+ − 5013 x: x1,
+ − 5014 y: abs(x2 - x1) < ε ? y2 : y0
+ − 5015 } : abs(y3 - y0) < ε && x3 - x0 > ε ? {
+ − 5016 x: abs(y2 - y0) < ε ? x2 : x0,
+ − 5017 y: y0
+ − 5018 } : null), cell.site, null));
+ − 5019 ++nHalfEdges;
+ − 5020 }
+ − 5021 }
+ − 5022 }
+ − 5023 }
+ − 5024 function d3_geom_voronoiHalfEdgeOrder(a, b) {
+ − 5025 return b.angle - a.angle;
+ − 5026 }
+ − 5027 function d3_geom_voronoiCircle() {
+ − 5028 d3_geom_voronoiRedBlackNode(this);
+ − 5029 this.x = this.y = this.arc = this.site = this.cy = null;
+ − 5030 }
+ − 5031 function d3_geom_voronoiAttachCircle(arc) {
+ − 5032 var lArc = arc.P, rArc = arc.N;
+ − 5033 if (!lArc || !rArc) return;
+ − 5034 var lSite = lArc.site, cSite = arc.site, rSite = rArc.site;
+ − 5035 if (lSite === rSite) return;
+ − 5036 var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by;
+ − 5037 var d = 2 * (ax * cy - ay * cx);
+ − 5038 if (d >= -ε2) return;
+ − 5039 var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by;
+ − 5040 var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle();
+ − 5041 circle.arc = arc;
+ − 5042 circle.site = cSite;
+ − 5043 circle.x = x + bx;
+ − 5044 circle.y = cy + Math.sqrt(x * x + y * y);
+ − 5045 circle.cy = cy;
+ − 5046 arc.circle = circle;
+ − 5047 var before = null, node = d3_geom_voronoiCircles._;
+ − 5048 while (node) {
+ − 5049 if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) {
+ − 5050 if (node.L) node = node.L; else {
+ − 5051 before = node.P;
+ − 5052 break;
+ − 5053 }
+ − 5054 } else {
+ − 5055 if (node.R) node = node.R; else {
+ − 5056 before = node;
+ − 5057 break;
+ − 5058 }
+ − 5059 }
+ − 5060 }
+ − 5061 d3_geom_voronoiCircles.insert(before, circle);
+ − 5062 if (!before) d3_geom_voronoiFirstCircle = circle;
+ − 5063 }
+ − 5064 function d3_geom_voronoiDetachCircle(arc) {
+ − 5065 var circle = arc.circle;
+ − 5066 if (circle) {
+ − 5067 if (!circle.P) d3_geom_voronoiFirstCircle = circle.N;
+ − 5068 d3_geom_voronoiCircles.remove(circle);
+ − 5069 d3_geom_voronoiCirclePool.push(circle);
+ − 5070 d3_geom_voronoiRedBlackNode(circle);
+ − 5071 arc.circle = null;
+ − 5072 }
+ − 5073 }
+ − 5074 function d3_geom_voronoiClipEdges(extent) {
+ − 5075 var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e;
+ − 5076 while (i--) {
+ − 5077 e = edges[i];
+ − 5078 if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) {
+ − 5079 e.a = e.b = null;
+ − 5080 edges.splice(i, 1);
+ − 5081 }
+ − 5082 }
+ − 5083 }
+ − 5084 function d3_geom_voronoiConnectEdge(edge, extent) {
+ − 5085 var vb = edge.b;
+ − 5086 if (vb) return true;
+ − 5087 var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb;
+ − 5088 if (ry === ly) {
+ − 5089 if (fx < x0 || fx >= x1) return;
+ − 5090 if (lx > rx) {
+ − 5091 if (!va) va = {
+ − 5092 x: fx,
+ − 5093 y: y0
+ − 5094 }; else if (va.y >= y1) return;
+ − 5095 vb = {
+ − 5096 x: fx,
+ − 5097 y: y1
+ − 5098 };
+ − 5099 } else {
+ − 5100 if (!va) va = {
+ − 5101 x: fx,
+ − 5102 y: y1
+ − 5103 }; else if (va.y < y0) return;
+ − 5104 vb = {
+ − 5105 x: fx,
+ − 5106 y: y0
+ − 5107 };
+ − 5108 }
+ − 5109 } else {
+ − 5110 fm = (lx - rx) / (ry - ly);
+ − 5111 fb = fy - fm * fx;
+ − 5112 if (fm < -1 || fm > 1) {
+ − 5113 if (lx > rx) {
+ − 5114 if (!va) va = {
+ − 5115 x: (y0 - fb) / fm,
+ − 5116 y: y0
+ − 5117 }; else if (va.y >= y1) return;
+ − 5118 vb = {
+ − 5119 x: (y1 - fb) / fm,
+ − 5120 y: y1
+ − 5121 };
+ − 5122 } else {
+ − 5123 if (!va) va = {
+ − 5124 x: (y1 - fb) / fm,
+ − 5125 y: y1
+ − 5126 }; else if (va.y < y0) return;
+ − 5127 vb = {
+ − 5128 x: (y0 - fb) / fm,
+ − 5129 y: y0
+ − 5130 };
+ − 5131 }
+ − 5132 } else {
+ − 5133 if (ly < ry) {
+ − 5134 if (!va) va = {
+ − 5135 x: x0,
+ − 5136 y: fm * x0 + fb
+ − 5137 }; else if (va.x >= x1) return;
+ − 5138 vb = {
+ − 5139 x: x1,
+ − 5140 y: fm * x1 + fb
+ − 5141 };
+ − 5142 } else {
+ − 5143 if (!va) va = {
+ − 5144 x: x1,
+ − 5145 y: fm * x1 + fb
+ − 5146 }; else if (va.x < x0) return;
+ − 5147 vb = {
+ − 5148 x: x0,
+ − 5149 y: fm * x0 + fb
+ − 5150 };
+ − 5151 }
+ − 5152 }
+ − 5153 }
+ − 5154 edge.a = va;
+ − 5155 edge.b = vb;
+ − 5156 return true;
+ − 5157 }
+ − 5158 function d3_geom_voronoiEdge(lSite, rSite) {
+ − 5159 this.l = lSite;
+ − 5160 this.r = rSite;
+ − 5161 this.a = this.b = null;
+ − 5162 }
+ − 5163 function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) {
+ − 5164 var edge = new d3_geom_voronoiEdge(lSite, rSite);
+ − 5165 d3_geom_voronoiEdges.push(edge);
+ − 5166 if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va);
+ − 5167 if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb);
+ − 5168 d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite));
+ − 5169 d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite));
+ − 5170 return edge;
+ − 5171 }
+ − 5172 function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) {
+ − 5173 var edge = new d3_geom_voronoiEdge(lSite, null);
+ − 5174 edge.a = va;
+ − 5175 edge.b = vb;
+ − 5176 d3_geom_voronoiEdges.push(edge);
+ − 5177 return edge;
+ − 5178 }
+ − 5179 function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) {
+ − 5180 if (!edge.a && !edge.b) {
+ − 5181 edge.a = vertex;
+ − 5182 edge.l = lSite;
+ − 5183 edge.r = rSite;
+ − 5184 } else if (edge.l === rSite) {
+ − 5185 edge.b = vertex;
+ − 5186 } else {
+ − 5187 edge.a = vertex;
+ − 5188 }
+ − 5189 }
+ − 5190 function d3_geom_voronoiHalfEdge(edge, lSite, rSite) {
+ − 5191 var va = edge.a, vb = edge.b;
+ − 5192 this.edge = edge;
+ − 5193 this.site = lSite;
+ − 5194 this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y);
+ − 5195 }
+ − 5196 d3_geom_voronoiHalfEdge.prototype = {
+ − 5197 start: function() {
+ − 5198 return this.edge.l === this.site ? this.edge.a : this.edge.b;
+ − 5199 },
+ − 5200 end: function() {
+ − 5201 return this.edge.l === this.site ? this.edge.b : this.edge.a;
+ − 5202 }
+ − 5203 };
+ − 5204 function d3_geom_voronoiRedBlackTree() {
+ − 5205 this._ = null;
+ − 5206 }
+ − 5207 function d3_geom_voronoiRedBlackNode(node) {
+ − 5208 node.U = node.C = node.L = node.R = node.P = node.N = null;
+ − 5209 }
+ − 5210 d3_geom_voronoiRedBlackTree.prototype = {
+ − 5211 insert: function(after, node) {
+ − 5212 var parent, grandpa, uncle;
+ − 5213 if (after) {
+ − 5214 node.P = after;
+ − 5215 node.N = after.N;
+ − 5216 if (after.N) after.N.P = node;
+ − 5217 after.N = node;
+ − 5218 if (after.R) {
+ − 5219 after = after.R;
+ − 5220 while (after.L) after = after.L;
+ − 5221 after.L = node;
+ − 5222 } else {
+ − 5223 after.R = node;
+ − 5224 }
+ − 5225 parent = after;
+ − 5226 } else if (this._) {
+ − 5227 after = d3_geom_voronoiRedBlackFirst(this._);
+ − 5228 node.P = null;
+ − 5229 node.N = after;
+ − 5230 after.P = after.L = node;
+ − 5231 parent = after;
+ − 5232 } else {
+ − 5233 node.P = node.N = null;
+ − 5234 this._ = node;
+ − 5235 parent = null;
+ − 5236 }
+ − 5237 node.L = node.R = null;
+ − 5238 node.U = parent;
+ − 5239 node.C = true;
+ − 5240 after = node;
+ − 5241 while (parent && parent.C) {
+ − 5242 grandpa = parent.U;
+ − 5243 if (parent === grandpa.L) {
+ − 5244 uncle = grandpa.R;
+ − 5245 if (uncle && uncle.C) {
+ − 5246 parent.C = uncle.C = false;
+ − 5247 grandpa.C = true;
+ − 5248 after = grandpa;
+ − 5249 } else {
+ − 5250 if (after === parent.R) {
+ − 5251 d3_geom_voronoiRedBlackRotateLeft(this, parent);
+ − 5252 after = parent;
+ − 5253 parent = after.U;
+ − 5254 }
+ − 5255 parent.C = false;
+ − 5256 grandpa.C = true;
+ − 5257 d3_geom_voronoiRedBlackRotateRight(this, grandpa);
+ − 5258 }
+ − 5259 } else {
+ − 5260 uncle = grandpa.L;
+ − 5261 if (uncle && uncle.C) {
+ − 5262 parent.C = uncle.C = false;
+ − 5263 grandpa.C = true;
+ − 5264 after = grandpa;
+ − 5265 } else {
+ − 5266 if (after === parent.L) {
+ − 5267 d3_geom_voronoiRedBlackRotateRight(this, parent);
+ − 5268 after = parent;
+ − 5269 parent = after.U;
+ − 5270 }
+ − 5271 parent.C = false;
+ − 5272 grandpa.C = true;
+ − 5273 d3_geom_voronoiRedBlackRotateLeft(this, grandpa);
+ − 5274 }
+ − 5275 }
+ − 5276 parent = after.U;
+ − 5277 }
+ − 5278 this._.C = false;
+ − 5279 },
+ − 5280 remove: function(node) {
+ − 5281 if (node.N) node.N.P = node.P;
+ − 5282 if (node.P) node.P.N = node.N;
+ − 5283 node.N = node.P = null;
+ − 5284 var parent = node.U, sibling, left = node.L, right = node.R, next, red;
+ − 5285 if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right);
+ − 5286 if (parent) {
+ − 5287 if (parent.L === node) parent.L = next; else parent.R = next;
+ − 5288 } else {
+ − 5289 this._ = next;
+ − 5290 }
+ − 5291 if (left && right) {
+ − 5292 red = next.C;
+ − 5293 next.C = node.C;
+ − 5294 next.L = left;
+ − 5295 left.U = next;
+ − 5296 if (next !== right) {
+ − 5297 parent = next.U;
+ − 5298 next.U = node.U;
+ − 5299 node = next.R;
+ − 5300 parent.L = node;
+ − 5301 next.R = right;
+ − 5302 right.U = next;
+ − 5303 } else {
+ − 5304 next.U = parent;
+ − 5305 parent = next;
+ − 5306 node = next.R;
+ − 5307 }
+ − 5308 } else {
+ − 5309 red = node.C;
+ − 5310 node = next;
+ − 5311 }
+ − 5312 if (node) node.U = parent;
+ − 5313 if (red) return;
+ − 5314 if (node && node.C) {
+ − 5315 node.C = false;
+ − 5316 return;
+ − 5317 }
+ − 5318 do {
+ − 5319 if (node === this._) break;
+ − 5320 if (node === parent.L) {
+ − 5321 sibling = parent.R;
+ − 5322 if (sibling.C) {
+ − 5323 sibling.C = false;
+ − 5324 parent.C = true;
+ − 5325 d3_geom_voronoiRedBlackRotateLeft(this, parent);
+ − 5326 sibling = parent.R;
+ − 5327 }
+ − 5328 if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
+ − 5329 if (!sibling.R || !sibling.R.C) {
+ − 5330 sibling.L.C = false;
+ − 5331 sibling.C = true;
+ − 5332 d3_geom_voronoiRedBlackRotateRight(this, sibling);
+ − 5333 sibling = parent.R;
+ − 5334 }
+ − 5335 sibling.C = parent.C;
+ − 5336 parent.C = sibling.R.C = false;
+ − 5337 d3_geom_voronoiRedBlackRotateLeft(this, parent);
+ − 5338 node = this._;
+ − 5339 break;
+ − 5340 }
+ − 5341 } else {
+ − 5342 sibling = parent.L;
+ − 5343 if (sibling.C) {
+ − 5344 sibling.C = false;
+ − 5345 parent.C = true;
+ − 5346 d3_geom_voronoiRedBlackRotateRight(this, parent);
+ − 5347 sibling = parent.L;
+ − 5348 }
+ − 5349 if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
+ − 5350 if (!sibling.L || !sibling.L.C) {
+ − 5351 sibling.R.C = false;
+ − 5352 sibling.C = true;
+ − 5353 d3_geom_voronoiRedBlackRotateLeft(this, sibling);
+ − 5354 sibling = parent.L;
+ − 5355 }
+ − 5356 sibling.C = parent.C;
+ − 5357 parent.C = sibling.L.C = false;
+ − 5358 d3_geom_voronoiRedBlackRotateRight(this, parent);
+ − 5359 node = this._;
+ − 5360 break;
+ − 5361 }
+ − 5362 }
+ − 5363 sibling.C = true;
+ − 5364 node = parent;
+ − 5365 parent = parent.U;
+ − 5366 } while (!node.C);
+ − 5367 if (node) node.C = false;
+ − 5368 }
+ − 5369 };
+ − 5370 function d3_geom_voronoiRedBlackRotateLeft(tree, node) {
+ − 5371 var p = node, q = node.R, parent = p.U;
+ − 5372 if (parent) {
+ − 5373 if (parent.L === p) parent.L = q; else parent.R = q;
+ − 5374 } else {
+ − 5375 tree._ = q;
+ − 5376 }
+ − 5377 q.U = parent;
+ − 5378 p.U = q;
+ − 5379 p.R = q.L;
+ − 5380 if (p.R) p.R.U = p;
+ − 5381 q.L = p;
+ − 5382 }
+ − 5383 function d3_geom_voronoiRedBlackRotateRight(tree, node) {
+ − 5384 var p = node, q = node.L, parent = p.U;
+ − 5385 if (parent) {
+ − 5386 if (parent.L === p) parent.L = q; else parent.R = q;
+ − 5387 } else {
+ − 5388 tree._ = q;
+ − 5389 }
+ − 5390 q.U = parent;
+ − 5391 p.U = q;
+ − 5392 p.L = q.R;
+ − 5393 if (p.L) p.L.U = p;
+ − 5394 q.R = p;
+ − 5395 }
+ − 5396 function d3_geom_voronoiRedBlackFirst(node) {
+ − 5397 while (node.L) node = node.L;
+ − 5398 return node;
+ − 5399 }
+ − 5400 function d3_geom_voronoi(sites, bbox) {
+ − 5401 var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle;
+ − 5402 d3_geom_voronoiEdges = [];
+ − 5403 d3_geom_voronoiCells = new Array(sites.length);
+ − 5404 d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree();
+ − 5405 d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree();
+ − 5406 while (true) {
+ − 5407 circle = d3_geom_voronoiFirstCircle;
+ − 5408 if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) {
+ − 5409 if (site.x !== x0 || site.y !== y0) {
+ − 5410 d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site);
+ − 5411 d3_geom_voronoiAddBeach(site);
+ − 5412 x0 = site.x, y0 = site.y;
+ − 5413 }
+ − 5414 site = sites.pop();
+ − 5415 } else if (circle) {
+ − 5416 d3_geom_voronoiRemoveBeach(circle.arc);
+ − 5417 } else {
+ − 5418 break;
+ − 5419 }
+ − 5420 }
+ − 5421 if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox);
+ − 5422 var diagram = {
+ − 5423 cells: d3_geom_voronoiCells,
+ − 5424 edges: d3_geom_voronoiEdges
+ − 5425 };
+ − 5426 d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null;
+ − 5427 return diagram;
+ − 5428 }
+ − 5429 function d3_geom_voronoiVertexOrder(a, b) {
+ − 5430 return b.y - a.y || b.x - a.x;
+ − 5431 }
+ − 5432 d3.geom.voronoi = function(points) {
+ − 5433 var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent;
+ − 5434 if (points) return voronoi(points);
+ − 5435 function voronoi(data) {
+ − 5436 var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1];
+ − 5437 d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) {
+ − 5438 var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) {
+ − 5439 var s = e.start();
+ − 5440 return [ s.x, s.y ];
+ − 5441 }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : [];
+ − 5442 polygon.point = data[i];
+ − 5443 });
+ − 5444 return polygons;
+ − 5445 }
+ − 5446 function sites(data) {
+ − 5447 return data.map(function(d, i) {
+ − 5448 return {
+ − 5449 x: Math.round(fx(d, i) / ε) * ε,
+ − 5450 y: Math.round(fy(d, i) / ε) * ε,
+ − 5451 i: i
+ − 5452 };
+ − 5453 });
+ − 5454 }
+ − 5455 voronoi.links = function(data) {
+ − 5456 return d3_geom_voronoi(sites(data)).edges.filter(function(edge) {
+ − 5457 return edge.l && edge.r;
+ − 5458 }).map(function(edge) {
+ − 5459 return {
+ − 5460 source: data[edge.l.i],
+ − 5461 target: data[edge.r.i]
+ − 5462 };
+ − 5463 });
+ − 5464 };
+ − 5465 voronoi.triangles = function(data) {
+ − 5466 var triangles = [];
+ − 5467 d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) {
+ − 5468 var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l;
+ − 5469 while (++j < m) {
+ − 5470 e0 = e1;
+ − 5471 s0 = s1;
+ − 5472 e1 = edges[j].edge;
+ − 5473 s1 = e1.l === site ? e1.r : e1.l;
+ − 5474 if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) {
+ − 5475 triangles.push([ data[i], data[s0.i], data[s1.i] ]);
+ − 5476 }
+ − 5477 }
+ − 5478 });
+ − 5479 return triangles;
+ − 5480 };
+ − 5481 voronoi.x = function(_) {
+ − 5482 return arguments.length ? (fx = d3_functor(x = _), voronoi) : x;
+ − 5483 };
+ − 5484 voronoi.y = function(_) {
+ − 5485 return arguments.length ? (fy = d3_functor(y = _), voronoi) : y;
+ − 5486 };
+ − 5487 voronoi.clipExtent = function(_) {
+ − 5488 if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent;
+ − 5489 clipExtent = _ == null ? d3_geom_voronoiClipExtent : _;
+ − 5490 return voronoi;
+ − 5491 };
+ − 5492 voronoi.size = function(_) {
+ − 5493 if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1];
+ − 5494 return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]);
+ − 5495 };
+ − 5496 return voronoi;
+ − 5497 };
+ − 5498 var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ];
+ − 5499 function d3_geom_voronoiTriangleArea(a, b, c) {
+ − 5500 return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y);
+ − 5501 }
+ − 5502 d3.geom.delaunay = function(vertices) {
+ − 5503 return d3.geom.voronoi().triangles(vertices);
+ − 5504 };
+ − 5505 d3.geom.quadtree = function(points, x1, y1, x2, y2) {
+ − 5506 var x = d3_geom_pointX, y = d3_geom_pointY, compat;
+ − 5507 if (compat = arguments.length) {
+ − 5508 x = d3_geom_quadtreeCompatX;
+ − 5509 y = d3_geom_quadtreeCompatY;
+ − 5510 if (compat === 3) {
+ − 5511 y2 = y1;
+ − 5512 x2 = x1;
+ − 5513 y1 = x1 = 0;
+ − 5514 }
+ − 5515 return quadtree(points);
+ − 5516 }
+ − 5517 function quadtree(data) {
+ − 5518 var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;
+ − 5519 if (x1 != null) {
+ − 5520 x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;
+ − 5521 } else {
+ − 5522 x2_ = y2_ = -(x1_ = y1_ = Infinity);
+ − 5523 xs = [], ys = [];
+ − 5524 n = data.length;
+ − 5525 if (compat) for (i = 0; i < n; ++i) {
+ − 5526 d = data[i];
+ − 5527 if (d.x < x1_) x1_ = d.x;
+ − 5528 if (d.y < y1_) y1_ = d.y;
+ − 5529 if (d.x > x2_) x2_ = d.x;
+ − 5530 if (d.y > y2_) y2_ = d.y;
+ − 5531 xs.push(d.x);
+ − 5532 ys.push(d.y);
+ − 5533 } else for (i = 0; i < n; ++i) {
+ − 5534 var x_ = +fx(d = data[i], i), y_ = +fy(d, i);
+ − 5535 if (x_ < x1_) x1_ = x_;
+ − 5536 if (y_ < y1_) y1_ = y_;
+ − 5537 if (x_ > x2_) x2_ = x_;
+ − 5538 if (y_ > y2_) y2_ = y_;
+ − 5539 xs.push(x_);
+ − 5540 ys.push(y_);
+ − 5541 }
+ − 5542 }
+ − 5543 var dx = x2_ - x1_, dy = y2_ - y1_;
+ − 5544 if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;
+ − 5545 function insert(n, d, x, y, x1, y1, x2, y2) {
+ − 5546 if (isNaN(x) || isNaN(y)) return;
+ − 5547 if (n.leaf) {
+ − 5548 var nx = n.x, ny = n.y;
+ − 5549 if (nx != null) {
+ − 5550 if (abs(nx - x) + abs(ny - y) < .01) {
+ − 5551 insertChild(n, d, x, y, x1, y1, x2, y2);
+ − 5552 } else {
+ − 5553 var nPoint = n.point;
+ − 5554 n.x = n.y = n.point = null;
+ − 5555 insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);
+ − 5556 insertChild(n, d, x, y, x1, y1, x2, y2);
+ − 5557 }
+ − 5558 } else {
+ − 5559 n.x = x, n.y = y, n.point = d;
+ − 5560 }
+ − 5561 } else {
+ − 5562 insertChild(n, d, x, y, x1, y1, x2, y2);
+ − 5563 }
+ − 5564 }
+ − 5565 function insertChild(n, d, x, y, x1, y1, x2, y2) {
+ − 5566 var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right;
+ − 5567 n.leaf = false;
+ − 5568 n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
+ − 5569 if (right) x1 = xm; else x2 = xm;
+ − 5570 if (below) y1 = ym; else y2 = ym;
+ − 5571 insert(n, d, x, y, x1, y1, x2, y2);
+ − 5572 }
+ − 5573 var root = d3_geom_quadtreeNode();
+ − 5574 root.add = function(d) {
+ − 5575 insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);
+ − 5576 };
+ − 5577 root.visit = function(f) {
+ − 5578 d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);
+ − 5579 };
+ − 5580 root.find = function(point) {
+ − 5581 return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_);
+ − 5582 };
+ − 5583 i = -1;
+ − 5584 if (x1 == null) {
+ − 5585 while (++i < n) {
+ − 5586 insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);
+ − 5587 }
+ − 5588 --i;
+ − 5589 } else data.forEach(root.add);
+ − 5590 xs = ys = data = d = null;
+ − 5591 return root;
+ − 5592 }
+ − 5593 quadtree.x = function(_) {
+ − 5594 return arguments.length ? (x = _, quadtree) : x;
+ − 5595 };
+ − 5596 quadtree.y = function(_) {
+ − 5597 return arguments.length ? (y = _, quadtree) : y;
+ − 5598 };
+ − 5599 quadtree.extent = function(_) {
+ − 5600 if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ];
+ − 5601 if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0],
+ − 5602 y2 = +_[1][1];
+ − 5603 return quadtree;
+ − 5604 };
+ − 5605 quadtree.size = function(_) {
+ − 5606 if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ];
+ − 5607 if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1];
+ − 5608 return quadtree;
+ − 5609 };
+ − 5610 return quadtree;
+ − 5611 };
+ − 5612 function d3_geom_quadtreeCompatX(d) {
+ − 5613 return d.x;
+ − 5614 }
+ − 5615 function d3_geom_quadtreeCompatY(d) {
+ − 5616 return d.y;
+ − 5617 }
+ − 5618 function d3_geom_quadtreeNode() {
+ − 5619 return {
+ − 5620 leaf: true,
+ − 5621 nodes: [],
+ − 5622 point: null,
+ − 5623 x: null,
+ − 5624 y: null
+ − 5625 };
+ − 5626 }
+ − 5627 function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
+ − 5628 if (!f(node, x1, y1, x2, y2)) {
+ − 5629 var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
+ − 5630 if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
+ − 5631 if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
+ − 5632 if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
+ − 5633 if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
+ − 5634 }
+ − 5635 }
+ − 5636 function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) {
+ − 5637 var minDistance2 = Infinity, closestPoint;
+ − 5638 (function find(node, x1, y1, x2, y2) {
+ − 5639 if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return;
+ − 5640 if (point = node.point) {
+ − 5641 var point, dx = x - point[0], dy = y - point[1], distance2 = dx * dx + dy * dy;
+ − 5642 if (distance2 < minDistance2) {
+ − 5643 var distance = Math.sqrt(minDistance2 = distance2);
+ − 5644 x0 = x - distance, y0 = y - distance;
+ − 5645 x3 = x + distance, y3 = y + distance;
+ − 5646 closestPoint = point;
+ − 5647 }
+ − 5648 }
+ − 5649 var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym;
+ − 5650 for (var i = below << 1 | right, j = i + 4; i < j; ++i) {
+ − 5651 if (node = children[i & 3]) switch (i & 3) {
+ − 5652 case 0:
+ − 5653 find(node, x1, y1, xm, ym);
+ − 5654 break;
+ − 5655
+ − 5656 case 1:
+ − 5657 find(node, xm, y1, x2, ym);
+ − 5658 break;
+ − 5659
+ − 5660 case 2:
+ − 5661 find(node, x1, ym, xm, y2);
+ − 5662 break;
+ − 5663
+ − 5664 case 3:
+ − 5665 find(node, xm, ym, x2, y2);
+ − 5666 break;
+ − 5667 }
+ − 5668 }
+ − 5669 })(root, x0, y0, x3, y3);
+ − 5670 return closestPoint;
+ − 5671 }
+ − 5672 d3.interpolateRgb = d3_interpolateRgb;
+ − 5673 function d3_interpolateRgb(a, b) {
+ − 5674 a = d3.rgb(a);
+ − 5675 b = d3.rgb(b);
+ − 5676 var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
+ − 5677 return function(t) {
+ − 5678 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));
+ − 5679 };
+ − 5680 }
+ − 5681 d3.interpolateObject = d3_interpolateObject;
+ − 5682 function d3_interpolateObject(a, b) {
+ − 5683 var i = {}, c = {}, k;
+ − 5684 for (k in a) {
+ − 5685 if (k in b) {
+ − 5686 i[k] = d3_interpolate(a[k], b[k]);
+ − 5687 } else {
+ − 5688 c[k] = a[k];
+ − 5689 }
+ − 5690 }
+ − 5691 for (k in b) {
+ − 5692 if (!(k in a)) {
+ − 5693 c[k] = b[k];
+ − 5694 }
+ − 5695 }
+ − 5696 return function(t) {
+ − 5697 for (k in i) c[k] = i[k](t);
+ − 5698 return c;
+ − 5699 };
+ − 5700 }
+ − 5701 d3.interpolateNumber = d3_interpolateNumber;
+ − 5702 function d3_interpolateNumber(a, b) {
+ − 5703 a = +a, b = +b;
+ − 5704 return function(t) {
+ − 5705 return a * (1 - t) + b * t;
+ − 5706 };
+ − 5707 }
+ − 5708 d3.interpolateString = d3_interpolateString;
+ − 5709 function d3_interpolateString(a, b) {
+ − 5710 var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = [];
+ − 5711 a = a + "", b = b + "";
+ − 5712 while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) {
+ − 5713 if ((bs = bm.index) > bi) {
+ − 5714 bs = b.slice(bi, bs);
+ − 5715 if (s[i]) s[i] += bs; else s[++i] = bs;
+ − 5716 }
+ − 5717 if ((am = am[0]) === (bm = bm[0])) {
+ − 5718 if (s[i]) s[i] += bm; else s[++i] = bm;
+ − 5719 } else {
+ − 5720 s[++i] = null;
+ − 5721 q.push({
+ − 5722 i: i,
+ − 5723 x: d3_interpolateNumber(am, bm)
+ − 5724 });
+ − 5725 }
+ − 5726 bi = d3_interpolate_numberB.lastIndex;
+ − 5727 }
+ − 5728 if (bi < b.length) {
+ − 5729 bs = b.slice(bi);
+ − 5730 if (s[i]) s[i] += bs; else s[++i] = bs;
+ − 5731 }
+ − 5732 return s.length < 2 ? q[0] ? (b = q[0].x, function(t) {
+ − 5733 return b(t) + "";
+ − 5734 }) : function() {
+ − 5735 return b;
+ − 5736 } : (b = q.length, function(t) {
+ − 5737 for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);
+ − 5738 return s.join("");
+ − 5739 });
+ − 5740 }
+ − 5741 var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g");
+ − 5742 d3.interpolate = d3_interpolate;
+ − 5743 function d3_interpolate(a, b) {
+ − 5744 var i = d3.interpolators.length, f;
+ − 5745 while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
+ − 5746 return f;
+ − 5747 }
+ − 5748 d3.interpolators = [ function(a, b) {
+ − 5749 var t = typeof b;
+ − 5750 return (t === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b);
+ − 5751 } ];
+ − 5752 d3.interpolateArray = d3_interpolateArray;
+ − 5753 function d3_interpolateArray(a, b) {
+ − 5754 var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
+ − 5755 for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));
+ − 5756 for (;i < na; ++i) c[i] = a[i];
+ − 5757 for (;i < nb; ++i) c[i] = b[i];
+ − 5758 return function(t) {
+ − 5759 for (i = 0; i < n0; ++i) c[i] = x[i](t);
+ − 5760 return c;
+ − 5761 };
+ − 5762 }
+ − 5763 var d3_ease_default = function() {
+ − 5764 return d3_identity;
+ − 5765 };
+ − 5766 var d3_ease = d3.map({
+ − 5767 linear: d3_ease_default,
+ − 5768 poly: d3_ease_poly,
+ − 5769 quad: function() {
+ − 5770 return d3_ease_quad;
+ − 5771 },
+ − 5772 cubic: function() {
+ − 5773 return d3_ease_cubic;
+ − 5774 },
+ − 5775 sin: function() {
+ − 5776 return d3_ease_sin;
+ − 5777 },
+ − 5778 exp: function() {
+ − 5779 return d3_ease_exp;
+ − 5780 },
+ − 5781 circle: function() {
+ − 5782 return d3_ease_circle;
+ − 5783 },
+ − 5784 elastic: d3_ease_elastic,
+ − 5785 back: d3_ease_back,
+ − 5786 bounce: function() {
+ − 5787 return d3_ease_bounce;
+ − 5788 }
+ − 5789 });
+ − 5790 var d3_ease_mode = d3.map({
+ − 5791 "in": d3_identity,
+ − 5792 out: d3_ease_reverse,
+ − 5793 "in-out": d3_ease_reflect,
+ − 5794 "out-in": function(f) {
+ − 5795 return d3_ease_reflect(d3_ease_reverse(f));
+ − 5796 }
+ − 5797 });
+ − 5798 d3.ease = function(name) {
+ − 5799 var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in";
+ − 5800 t = d3_ease.get(t) || d3_ease_default;
+ − 5801 m = d3_ease_mode.get(m) || d3_identity;
+ − 5802 return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1))));
+ − 5803 };
+ − 5804 function d3_ease_clamp(f) {
+ − 5805 return function(t) {
+ − 5806 return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
+ − 5807 };
+ − 5808 }
+ − 5809 function d3_ease_reverse(f) {
+ − 5810 return function(t) {
+ − 5811 return 1 - f(1 - t);
+ − 5812 };
+ − 5813 }
+ − 5814 function d3_ease_reflect(f) {
+ − 5815 return function(t) {
+ − 5816 return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
+ − 5817 };
+ − 5818 }
+ − 5819 function d3_ease_quad(t) {
+ − 5820 return t * t;
+ − 5821 }
+ − 5822 function d3_ease_cubic(t) {
+ − 5823 return t * t * t;
+ − 5824 }
+ − 5825 function d3_ease_cubicInOut(t) {
+ − 5826 if (t <= 0) return 0;
+ − 5827 if (t >= 1) return 1;
+ − 5828 var t2 = t * t, t3 = t2 * t;
+ − 5829 return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
+ − 5830 }
+ − 5831 function d3_ease_poly(e) {
+ − 5832 return function(t) {
+ − 5833 return Math.pow(t, e);
+ − 5834 };
+ − 5835 }
+ − 5836 function d3_ease_sin(t) {
+ − 5837 return 1 - Math.cos(t * halfπ);
+ − 5838 }
+ − 5839 function d3_ease_exp(t) {
+ − 5840 return Math.pow(2, 10 * (t - 1));
+ − 5841 }
+ − 5842 function d3_ease_circle(t) {
+ − 5843 return 1 - Math.sqrt(1 - t * t);
+ − 5844 }
+ − 5845 function d3_ease_elastic(a, p) {
+ − 5846 var s;
+ − 5847 if (arguments.length < 2) p = .45;
+ − 5848 if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4;
+ − 5849 return function(t) {
+ − 5850 return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p);
+ − 5851 };
+ − 5852 }
+ − 5853 function d3_ease_back(s) {
+ − 5854 if (!s) s = 1.70158;
+ − 5855 return function(t) {
+ − 5856 return t * t * ((s + 1) * t - s);
+ − 5857 };
+ − 5858 }
+ − 5859 function d3_ease_bounce(t) {
+ − 5860 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;
+ − 5861 }
+ − 5862 d3.interpolateHcl = d3_interpolateHcl;
+ − 5863 function d3_interpolateHcl(a, b) {
+ − 5864 a = d3.hcl(a);
+ − 5865 b = d3.hcl(b);
+ − 5866 var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
+ − 5867 if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac;
+ − 5868 if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
+ − 5869 return function(t) {
+ − 5870 return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
+ − 5871 };
+ − 5872 }
+ − 5873 d3.interpolateHsl = d3_interpolateHsl;
+ − 5874 function d3_interpolateHsl(a, b) {
+ − 5875 a = d3.hsl(a);
+ − 5876 b = d3.hsl(b);
+ − 5877 var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al;
+ − 5878 if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as;
+ − 5879 if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
+ − 5880 return function(t) {
+ − 5881 return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + "";
+ − 5882 };
+ − 5883 }
+ − 5884 d3.interpolateLab = d3_interpolateLab;
+ − 5885 function d3_interpolateLab(a, b) {
+ − 5886 a = d3.lab(a);
+ − 5887 b = d3.lab(b);
+ − 5888 var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
+ − 5889 return function(t) {
+ − 5890 return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
+ − 5891 };
+ − 5892 }
+ − 5893 d3.interpolateRound = d3_interpolateRound;
+ − 5894 function d3_interpolateRound(a, b) {
+ − 5895 b -= a;
+ − 5896 return function(t) {
+ − 5897 return Math.round(a + b * t);
+ − 5898 };
+ − 5899 }
+ − 5900 d3.transform = function(string) {
+ − 5901 var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
+ − 5902 return (d3.transform = function(string) {
+ − 5903 if (string != null) {
+ − 5904 g.setAttribute("transform", string);
+ − 5905 var t = g.transform.baseVal.consolidate();
+ − 5906 }
+ − 5907 return new d3_transform(t ? t.matrix : d3_transformIdentity);
+ − 5908 })(string);
+ − 5909 };
+ − 5910 function d3_transform(m) {
+ − 5911 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;
+ − 5912 if (r0[0] * r1[1] < r1[0] * r0[1]) {
+ − 5913 r0[0] *= -1;
+ − 5914 r0[1] *= -1;
+ − 5915 kx *= -1;
+ − 5916 kz *= -1;
+ − 5917 }
+ − 5918 this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
+ − 5919 this.translate = [ m.e, m.f ];
+ − 5920 this.scale = [ kx, ky ];
+ − 5921 this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
+ − 5922 }
+ − 5923 d3_transform.prototype.toString = function() {
+ − 5924 return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
+ − 5925 };
+ − 5926 function d3_transformDot(a, b) {
+ − 5927 return a[0] * b[0] + a[1] * b[1];
+ − 5928 }
+ − 5929 function d3_transformNormalize(a) {
+ − 5930 var k = Math.sqrt(d3_transformDot(a, a));
+ − 5931 if (k) {
+ − 5932 a[0] /= k;
+ − 5933 a[1] /= k;
+ − 5934 }
+ − 5935 return k;
+ − 5936 }
+ − 5937 function d3_transformCombine(a, b, k) {
+ − 5938 a[0] += k * b[0];
+ − 5939 a[1] += k * b[1];
+ − 5940 return a;
+ − 5941 }
+ − 5942 var d3_transformIdentity = {
+ − 5943 a: 1,
+ − 5944 b: 0,
+ − 5945 c: 0,
+ − 5946 d: 1,
+ − 5947 e: 0,
+ − 5948 f: 0
+ − 5949 };
+ − 5950 d3.interpolateTransform = d3_interpolateTransform;
+ − 5951 function d3_interpolateTransform(a, b) {
+ − 5952 var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale;
+ − 5953 if (ta[0] != tb[0] || ta[1] != tb[1]) {
+ − 5954 s.push("translate(", null, ",", null, ")");
+ − 5955 q.push({
+ − 5956 i: 1,
+ − 5957 x: d3_interpolateNumber(ta[0], tb[0])
+ − 5958 }, {
+ − 5959 i: 3,
+ − 5960 x: d3_interpolateNumber(ta[1], tb[1])
+ − 5961 });
+ − 5962 } else if (tb[0] || tb[1]) {
+ − 5963 s.push("translate(" + tb + ")");
+ − 5964 } else {
+ − 5965 s.push("");
+ − 5966 }
+ − 5967 if (ra != rb) {
+ − 5968 if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
+ − 5969 q.push({
+ − 5970 i: s.push(s.pop() + "rotate(", null, ")") - 2,
+ − 5971 x: d3_interpolateNumber(ra, rb)
+ − 5972 });
+ − 5973 } else if (rb) {
+ − 5974 s.push(s.pop() + "rotate(" + rb + ")");
+ − 5975 }
+ − 5976 if (wa != wb) {
+ − 5977 q.push({
+ − 5978 i: s.push(s.pop() + "skewX(", null, ")") - 2,
+ − 5979 x: d3_interpolateNumber(wa, wb)
+ − 5980 });
+ − 5981 } else if (wb) {
+ − 5982 s.push(s.pop() + "skewX(" + wb + ")");
+ − 5983 }
+ − 5984 if (ka[0] != kb[0] || ka[1] != kb[1]) {
+ − 5985 n = s.push(s.pop() + "scale(", null, ",", null, ")");
+ − 5986 q.push({
+ − 5987 i: n - 4,
+ − 5988 x: d3_interpolateNumber(ka[0], kb[0])
+ − 5989 }, {
+ − 5990 i: n - 2,
+ − 5991 x: d3_interpolateNumber(ka[1], kb[1])
+ − 5992 });
+ − 5993 } else if (kb[0] != 1 || kb[1] != 1) {
+ − 5994 s.push(s.pop() + "scale(" + kb + ")");
+ − 5995 }
+ − 5996 n = q.length;
+ − 5997 return function(t) {
+ − 5998 var i = -1, o;
+ − 5999 while (++i < n) s[(o = q[i]).i] = o.x(t);
+ − 6000 return s.join("");
+ − 6001 };
+ − 6002 }
+ − 6003 function d3_uninterpolateNumber(a, b) {
+ − 6004 b = (b -= a = +a) || 1 / b;
+ − 6005 return function(x) {
+ − 6006 return (x - a) / b;
+ − 6007 };
+ − 6008 }
+ − 6009 function d3_uninterpolateClamp(a, b) {
+ − 6010 b = (b -= a = +a) || 1 / b;
+ − 6011 return function(x) {
+ − 6012 return Math.max(0, Math.min(1, (x - a) / b));
+ − 6013 };
+ − 6014 }
+ − 6015 d3.layout = {};
+ − 6016 d3.layout.bundle = function() {
+ − 6017 return function(links) {
+ − 6018 var paths = [], i = -1, n = links.length;
+ − 6019 while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
+ − 6020 return paths;
+ − 6021 };
+ − 6022 };
+ − 6023 function d3_layout_bundlePath(link) {
+ − 6024 var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
+ − 6025 while (start !== lca) {
+ − 6026 start = start.parent;
+ − 6027 points.push(start);
+ − 6028 }
+ − 6029 var k = points.length;
+ − 6030 while (end !== lca) {
+ − 6031 points.splice(k, 0, end);
+ − 6032 end = end.parent;
+ − 6033 }
+ − 6034 return points;
+ − 6035 }
+ − 6036 function d3_layout_bundleAncestors(node) {
+ − 6037 var ancestors = [], parent = node.parent;
+ − 6038 while (parent != null) {
+ − 6039 ancestors.push(node);
+ − 6040 node = parent;
+ − 6041 parent = parent.parent;
+ − 6042 }
+ − 6043 ancestors.push(node);
+ − 6044 return ancestors;
+ − 6045 }
+ − 6046 function d3_layout_bundleLeastCommonAncestor(a, b) {
+ − 6047 if (a === b) return a;
+ − 6048 var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
+ − 6049 while (aNode === bNode) {
+ − 6050 sharedNode = aNode;
+ − 6051 aNode = aNodes.pop();
+ − 6052 bNode = bNodes.pop();
+ − 6053 }
+ − 6054 return sharedNode;
+ − 6055 }
+ − 6056 d3.layout.chord = function() {
+ − 6057 var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
+ − 6058 function relayout() {
+ − 6059 var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
+ − 6060 chords = [];
+ − 6061 groups = [];
+ − 6062 k = 0, i = -1;
+ − 6063 while (++i < n) {
+ − 6064 x = 0, j = -1;
+ − 6065 while (++j < n) {
+ − 6066 x += matrix[i][j];
+ − 6067 }
+ − 6068 groupSums.push(x);
+ − 6069 subgroupIndex.push(d3.range(n));
+ − 6070 k += x;
+ − 6071 }
+ − 6072 if (sortGroups) {
+ − 6073 groupIndex.sort(function(a, b) {
+ − 6074 return sortGroups(groupSums[a], groupSums[b]);
+ − 6075 });
+ − 6076 }
+ − 6077 if (sortSubgroups) {
+ − 6078 subgroupIndex.forEach(function(d, i) {
+ − 6079 d.sort(function(a, b) {
+ − 6080 return sortSubgroups(matrix[i][a], matrix[i][b]);
+ − 6081 });
+ − 6082 });
+ − 6083 }
+ − 6084 k = (τ - padding * n) / k;
+ − 6085 x = 0, i = -1;
+ − 6086 while (++i < n) {
+ − 6087 x0 = x, j = -1;
+ − 6088 while (++j < n) {
+ − 6089 var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
+ − 6090 subgroups[di + "-" + dj] = {
+ − 6091 index: di,
+ − 6092 subindex: dj,
+ − 6093 startAngle: a0,
+ − 6094 endAngle: a1,
+ − 6095 value: v
+ − 6096 };
+ − 6097 }
+ − 6098 groups[di] = {
+ − 6099 index: di,
+ − 6100 startAngle: x0,
+ − 6101 endAngle: x,
+ − 6102 value: (x - x0) / k
+ − 6103 };
+ − 6104 x += padding;
+ − 6105 }
+ − 6106 i = -1;
+ − 6107 while (++i < n) {
+ − 6108 j = i - 1;
+ − 6109 while (++j < n) {
+ − 6110 var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
+ − 6111 if (source.value || target.value) {
+ − 6112 chords.push(source.value < target.value ? {
+ − 6113 source: target,
+ − 6114 target: source
+ − 6115 } : {
+ − 6116 source: source,
+ − 6117 target: target
+ − 6118 });
+ − 6119 }
+ − 6120 }
+ − 6121 }
+ − 6122 if (sortChords) resort();
+ − 6123 }
+ − 6124 function resort() {
+ − 6125 chords.sort(function(a, b) {
+ − 6126 return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
+ − 6127 });
+ − 6128 }
+ − 6129 chord.matrix = function(x) {
+ − 6130 if (!arguments.length) return matrix;
+ − 6131 n = (matrix = x) && matrix.length;
+ − 6132 chords = groups = null;
+ − 6133 return chord;
+ − 6134 };
+ − 6135 chord.padding = function(x) {
+ − 6136 if (!arguments.length) return padding;
+ − 6137 padding = x;
+ − 6138 chords = groups = null;
+ − 6139 return chord;
+ − 6140 };
+ − 6141 chord.sortGroups = function(x) {
+ − 6142 if (!arguments.length) return sortGroups;
+ − 6143 sortGroups = x;
+ − 6144 chords = groups = null;
+ − 6145 return chord;
+ − 6146 };
+ − 6147 chord.sortSubgroups = function(x) {
+ − 6148 if (!arguments.length) return sortSubgroups;
+ − 6149 sortSubgroups = x;
+ − 6150 chords = null;
+ − 6151 return chord;
+ − 6152 };
+ − 6153 chord.sortChords = function(x) {
+ − 6154 if (!arguments.length) return sortChords;
+ − 6155 sortChords = x;
+ − 6156 if (chords) resort();
+ − 6157 return chord;
+ − 6158 };
+ − 6159 chord.chords = function() {
+ − 6160 if (!chords) relayout();
+ − 6161 return chords;
+ − 6162 };
+ − 6163 chord.groups = function() {
+ − 6164 if (!groups) relayout();
+ − 6165 return groups;
+ − 6166 };
+ − 6167 return chord;
+ − 6168 };
+ − 6169 d3.layout.force = function() {
+ − 6170 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, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges;
+ − 6171 function repulse(node) {
+ − 6172 return function(quad, x1, _, x2) {
+ − 6173 if (quad.point !== node) {
+ − 6174 var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy;
+ − 6175 if (dw * dw / theta2 < dn) {
+ − 6176 if (dn < chargeDistance2) {
+ − 6177 var k = quad.charge / dn;
+ − 6178 node.px -= dx * k;
+ − 6179 node.py -= dy * k;
+ − 6180 }
+ − 6181 return true;
+ − 6182 }
+ − 6183 if (quad.point && dn && dn < chargeDistance2) {
+ − 6184 var k = quad.pointCharge / dn;
+ − 6185 node.px -= dx * k;
+ − 6186 node.py -= dy * k;
+ − 6187 }
+ − 6188 }
+ − 6189 return !quad.charge;
+ − 6190 };
+ − 6191 }
+ − 6192 force.tick = function() {
+ − 6193 if ((alpha *= .99) < .005) {
+ − 6194 event.end({
+ − 6195 type: "end",
+ − 6196 alpha: alpha = 0
+ − 6197 });
+ − 6198 return true;
+ − 6199 }
+ − 6200 var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
+ − 6201 for (i = 0; i < m; ++i) {
+ − 6202 o = links[i];
+ − 6203 s = o.source;
+ − 6204 t = o.target;
+ − 6205 x = t.x - s.x;
+ − 6206 y = t.y - s.y;
+ − 6207 if (l = x * x + y * y) {
+ − 6208 l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
+ − 6209 x *= l;
+ − 6210 y *= l;
+ − 6211 t.x -= x * (k = s.weight / (t.weight + s.weight));
+ − 6212 t.y -= y * k;
+ − 6213 s.x += x * (k = 1 - k);
+ − 6214 s.y += y * k;
+ − 6215 }
+ − 6216 }
+ − 6217 if (k = alpha * gravity) {
+ − 6218 x = size[0] / 2;
+ − 6219 y = size[1] / 2;
+ − 6220 i = -1;
+ − 6221 if (k) while (++i < n) {
+ − 6222 o = nodes[i];
+ − 6223 o.x += (x - o.x) * k;
+ − 6224 o.y += (y - o.y) * k;
+ − 6225 }
+ − 6226 }
+ − 6227 if (charge) {
+ − 6228 d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
+ − 6229 i = -1;
+ − 6230 while (++i < n) {
+ − 6231 if (!(o = nodes[i]).fixed) {
+ − 6232 q.visit(repulse(o));
+ − 6233 }
+ − 6234 }
+ − 6235 }
+ − 6236 i = -1;
+ − 6237 while (++i < n) {
+ − 6238 o = nodes[i];
+ − 6239 if (o.fixed) {
+ − 6240 o.x = o.px;
+ − 6241 o.y = o.py;
+ − 6242 } else {
+ − 6243 o.x -= (o.px - (o.px = o.x)) * friction;
+ − 6244 o.y -= (o.py - (o.py = o.y)) * friction;
+ − 6245 }
+ − 6246 }
+ − 6247 event.tick({
+ − 6248 type: "tick",
+ − 6249 alpha: alpha
+ − 6250 });
+ − 6251 };
+ − 6252 force.nodes = function(x) {
+ − 6253 if (!arguments.length) return nodes;
+ − 6254 nodes = x;
+ − 6255 return force;
+ − 6256 };
+ − 6257 force.links = function(x) {
+ − 6258 if (!arguments.length) return links;
+ − 6259 links = x;
+ − 6260 return force;
+ − 6261 };
+ − 6262 force.size = function(x) {
+ − 6263 if (!arguments.length) return size;
+ − 6264 size = x;
+ − 6265 return force;
+ − 6266 };
+ − 6267 force.linkDistance = function(x) {
+ − 6268 if (!arguments.length) return linkDistance;
+ − 6269 linkDistance = typeof x === "function" ? x : +x;
+ − 6270 return force;
+ − 6271 };
+ − 6272 force.distance = force.linkDistance;
+ − 6273 force.linkStrength = function(x) {
+ − 6274 if (!arguments.length) return linkStrength;
+ − 6275 linkStrength = typeof x === "function" ? x : +x;
+ − 6276 return force;
+ − 6277 };
+ − 6278 force.friction = function(x) {
+ − 6279 if (!arguments.length) return friction;
+ − 6280 friction = +x;
+ − 6281 return force;
+ − 6282 };
+ − 6283 force.charge = function(x) {
+ − 6284 if (!arguments.length) return charge;
+ − 6285 charge = typeof x === "function" ? x : +x;
+ − 6286 return force;
+ − 6287 };
+ − 6288 force.chargeDistance = function(x) {
+ − 6289 if (!arguments.length) return Math.sqrt(chargeDistance2);
+ − 6290 chargeDistance2 = x * x;
+ − 6291 return force;
+ − 6292 };
+ − 6293 force.gravity = function(x) {
+ − 6294 if (!arguments.length) return gravity;
+ − 6295 gravity = +x;
+ − 6296 return force;
+ − 6297 };
+ − 6298 force.theta = function(x) {
+ − 6299 if (!arguments.length) return Math.sqrt(theta2);
+ − 6300 theta2 = x * x;
+ − 6301 return force;
+ − 6302 };
+ − 6303 force.alpha = function(x) {
+ − 6304 if (!arguments.length) return alpha;
+ − 6305 x = +x;
+ − 6306 if (alpha) {
+ − 6307 if (x > 0) alpha = x; else alpha = 0;
+ − 6308 } else if (x > 0) {
+ − 6309 event.start({
+ − 6310 type: "start",
+ − 6311 alpha: alpha = x
+ − 6312 });
+ − 6313 d3.timer(force.tick);
+ − 6314 }
+ − 6315 return force;
+ − 6316 };
+ − 6317 force.start = function() {
+ − 6318 var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
+ − 6319 for (i = 0; i < n; ++i) {
+ − 6320 (o = nodes[i]).index = i;
+ − 6321 o.weight = 0;
+ − 6322 }
+ − 6323 for (i = 0; i < m; ++i) {
+ − 6324 o = links[i];
+ − 6325 if (typeof o.source == "number") o.source = nodes[o.source];
+ − 6326 if (typeof o.target == "number") o.target = nodes[o.target];
+ − 6327 ++o.source.weight;
+ − 6328 ++o.target.weight;
+ − 6329 }
+ − 6330 for (i = 0; i < n; ++i) {
+ − 6331 o = nodes[i];
+ − 6332 if (isNaN(o.x)) o.x = position("x", w);
+ − 6333 if (isNaN(o.y)) o.y = position("y", h);
+ − 6334 if (isNaN(o.px)) o.px = o.x;
+ − 6335 if (isNaN(o.py)) o.py = o.y;
+ − 6336 }
+ − 6337 distances = [];
+ − 6338 if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance;
+ − 6339 strengths = [];
+ − 6340 if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength;
+ − 6341 charges = [];
+ − 6342 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;
+ − 6343 function position(dimension, size) {
+ − 6344 if (!neighbors) {
+ − 6345 neighbors = new Array(n);
+ − 6346 for (j = 0; j < n; ++j) {
+ − 6347 neighbors[j] = [];
+ − 6348 }
+ − 6349 for (j = 0; j < m; ++j) {
+ − 6350 var o = links[j];
+ − 6351 neighbors[o.source.index].push(o.target);
+ − 6352 neighbors[o.target.index].push(o.source);
+ − 6353 }
+ − 6354 }
+ − 6355 var candidates = neighbors[i], j = -1, m = candidates.length, x;
+ − 6356 while (++j < m) if (!isNaN(x = candidates[j][dimension])) return x;
+ − 6357 return Math.random() * size;
+ − 6358 }
+ − 6359 return force.resume();
+ − 6360 };
+ − 6361 force.resume = function() {
+ − 6362 return force.alpha(.1);
+ − 6363 };
+ − 6364 force.stop = function() {
+ − 6365 return force.alpha(0);
+ − 6366 };
+ − 6367 force.drag = function() {
+ − 6368 if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend);
+ − 6369 if (!arguments.length) return drag;
+ − 6370 this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
+ − 6371 };
+ − 6372 function dragmove(d) {
+ − 6373 d.px = d3.event.x, d.py = d3.event.y;
+ − 6374 force.resume();
+ − 6375 }
+ − 6376 return d3.rebind(force, event, "on");
+ − 6377 };
+ − 6378 function d3_layout_forceDragstart(d) {
+ − 6379 d.fixed |= 2;
+ − 6380 }
+ − 6381 function d3_layout_forceDragend(d) {
+ − 6382 d.fixed &= ~6;
+ − 6383 }
+ − 6384 function d3_layout_forceMouseover(d) {
+ − 6385 d.fixed |= 4;
+ − 6386 d.px = d.x, d.py = d.y;
+ − 6387 }
+ − 6388 function d3_layout_forceMouseout(d) {
+ − 6389 d.fixed &= ~4;
+ − 6390 }
+ − 6391 function d3_layout_forceAccumulate(quad, alpha, charges) {
+ − 6392 var cx = 0, cy = 0;
+ − 6393 quad.charge = 0;
+ − 6394 if (!quad.leaf) {
+ − 6395 var nodes = quad.nodes, n = nodes.length, i = -1, c;
+ − 6396 while (++i < n) {
+ − 6397 c = nodes[i];
+ − 6398 if (c == null) continue;
+ − 6399 d3_layout_forceAccumulate(c, alpha, charges);
+ − 6400 quad.charge += c.charge;
+ − 6401 cx += c.charge * c.cx;
+ − 6402 cy += c.charge * c.cy;
+ − 6403 }
+ − 6404 }
+ − 6405 if (quad.point) {
+ − 6406 if (!quad.leaf) {
+ − 6407 quad.point.x += Math.random() - .5;
+ − 6408 quad.point.y += Math.random() - .5;
+ − 6409 }
+ − 6410 var k = alpha * charges[quad.point.index];
+ − 6411 quad.charge += quad.pointCharge = k;
+ − 6412 cx += k * quad.point.x;
+ − 6413 cy += k * quad.point.y;
+ − 6414 }
+ − 6415 quad.cx = cx / quad.charge;
+ − 6416 quad.cy = cy / quad.charge;
+ − 6417 }
+ − 6418 var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity;
+ − 6419 d3.layout.hierarchy = function() {
+ − 6420 var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
+ − 6421 function hierarchy(root) {
+ − 6422 var stack = [ root ], nodes = [], node;
+ − 6423 root.depth = 0;
+ − 6424 while ((node = stack.pop()) != null) {
+ − 6425 nodes.push(node);
+ − 6426 if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) {
+ − 6427 var n, childs, child;
+ − 6428 while (--n >= 0) {
+ − 6429 stack.push(child = childs[n]);
+ − 6430 child.parent = node;
+ − 6431 child.depth = node.depth + 1;
+ − 6432 }
+ − 6433 if (value) node.value = 0;
+ − 6434 node.children = childs;
+ − 6435 } else {
+ − 6436 if (value) node.value = +value.call(hierarchy, node, node.depth) || 0;
+ − 6437 delete node.children;
+ − 6438 }
+ − 6439 }
+ − 6440 d3_layout_hierarchyVisitAfter(root, function(node) {
+ − 6441 var childs, parent;
+ − 6442 if (sort && (childs = node.children)) childs.sort(sort);
+ − 6443 if (value && (parent = node.parent)) parent.value += node.value;
+ − 6444 });
+ − 6445 return nodes;
+ − 6446 }
+ − 6447 hierarchy.sort = function(x) {
+ − 6448 if (!arguments.length) return sort;
+ − 6449 sort = x;
+ − 6450 return hierarchy;
+ − 6451 };
+ − 6452 hierarchy.children = function(x) {
+ − 6453 if (!arguments.length) return children;
+ − 6454 children = x;
+ − 6455 return hierarchy;
+ − 6456 };
+ − 6457 hierarchy.value = function(x) {
+ − 6458 if (!arguments.length) return value;
+ − 6459 value = x;
+ − 6460 return hierarchy;
+ − 6461 };
+ − 6462 hierarchy.revalue = function(root) {
+ − 6463 if (value) {
+ − 6464 d3_layout_hierarchyVisitBefore(root, function(node) {
+ − 6465 if (node.children) node.value = 0;
+ − 6466 });
+ − 6467 d3_layout_hierarchyVisitAfter(root, function(node) {
+ − 6468 var parent;
+ − 6469 if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0;
+ − 6470 if (parent = node.parent) parent.value += node.value;
+ − 6471 });
+ − 6472 }
+ − 6473 return root;
+ − 6474 };
+ − 6475 return hierarchy;
+ − 6476 };
+ − 6477 function d3_layout_hierarchyRebind(object, hierarchy) {
+ − 6478 d3.rebind(object, hierarchy, "sort", "children", "value");
+ − 6479 object.nodes = object;
+ − 6480 object.links = d3_layout_hierarchyLinks;
+ − 6481 return object;
+ − 6482 }
+ − 6483 function d3_layout_hierarchyVisitBefore(node, callback) {
+ − 6484 var nodes = [ node ];
+ − 6485 while ((node = nodes.pop()) != null) {
+ − 6486 callback(node);
+ − 6487 if ((children = node.children) && (n = children.length)) {
+ − 6488 var n, children;
+ − 6489 while (--n >= 0) nodes.push(children[n]);
+ − 6490 }
+ − 6491 }
+ − 6492 }
+ − 6493 function d3_layout_hierarchyVisitAfter(node, callback) {
+ − 6494 var nodes = [ node ], nodes2 = [];
+ − 6495 while ((node = nodes.pop()) != null) {
+ − 6496 nodes2.push(node);
+ − 6497 if ((children = node.children) && (n = children.length)) {
+ − 6498 var i = -1, n, children;
+ − 6499 while (++i < n) nodes.push(children[i]);
+ − 6500 }
+ − 6501 }
+ − 6502 while ((node = nodes2.pop()) != null) {
+ − 6503 callback(node);
+ − 6504 }
+ − 6505 }
+ − 6506 function d3_layout_hierarchyChildren(d) {
+ − 6507 return d.children;
+ − 6508 }
+ − 6509 function d3_layout_hierarchyValue(d) {
+ − 6510 return d.value;
+ − 6511 }
+ − 6512 function d3_layout_hierarchySort(a, b) {
+ − 6513 return b.value - a.value;
+ − 6514 }
+ − 6515 function d3_layout_hierarchyLinks(nodes) {
+ − 6516 return d3.merge(nodes.map(function(parent) {
+ − 6517 return (parent.children || []).map(function(child) {
+ − 6518 return {
+ − 6519 source: parent,
+ − 6520 target: child
+ − 6521 };
+ − 6522 });
+ − 6523 }));
+ − 6524 }
+ − 6525 d3.layout.partition = function() {
+ − 6526 var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
+ − 6527 function position(node, x, dx, dy) {
+ − 6528 var children = node.children;
+ − 6529 node.x = x;
+ − 6530 node.y = node.depth * dy;
+ − 6531 node.dx = dx;
+ − 6532 node.dy = dy;
+ − 6533 if (children && (n = children.length)) {
+ − 6534 var i = -1, n, c, d;
+ − 6535 dx = node.value ? dx / node.value : 0;
+ − 6536 while (++i < n) {
+ − 6537 position(c = children[i], x, d = c.value * dx, dy);
+ − 6538 x += d;
+ − 6539 }
+ − 6540 }
+ − 6541 }
+ − 6542 function depth(node) {
+ − 6543 var children = node.children, d = 0;
+ − 6544 if (children && (n = children.length)) {
+ − 6545 var i = -1, n;
+ − 6546 while (++i < n) d = Math.max(d, depth(children[i]));
+ − 6547 }
+ − 6548 return 1 + d;
+ − 6549 }
+ − 6550 function partition(d, i) {
+ − 6551 var nodes = hierarchy.call(this, d, i);
+ − 6552 position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
+ − 6553 return nodes;
+ − 6554 }
+ − 6555 partition.size = function(x) {
+ − 6556 if (!arguments.length) return size;
+ − 6557 size = x;
+ − 6558 return partition;
+ − 6559 };
+ − 6560 return d3_layout_hierarchyRebind(partition, hierarchy);
+ − 6561 };
+ − 6562 d3.layout.pie = function() {
+ − 6563 var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0;
+ − 6564 function pie(data) {
+ − 6565 var n = data.length, values = data.map(function(d, i) {
+ − 6566 return +value.call(pie, d, i);
+ − 6567 }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), k = (da - n * pa) / d3.sum(values), index = d3.range(n), arcs = [], v;
+ − 6568 if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
+ − 6569 return values[j] - values[i];
+ − 6570 } : function(i, j) {
+ − 6571 return sort(data[i], data[j]);
+ − 6572 });
+ − 6573 index.forEach(function(i) {
+ − 6574 arcs[i] = {
+ − 6575 data: data[i],
+ − 6576 value: v = values[i],
+ − 6577 startAngle: a,
+ − 6578 endAngle: a += v * k + pa,
+ − 6579 padAngle: p
+ − 6580 };
+ − 6581 });
+ − 6582 return arcs;
+ − 6583 }
+ − 6584 pie.value = function(_) {
+ − 6585 if (!arguments.length) return value;
+ − 6586 value = _;
+ − 6587 return pie;
+ − 6588 };
+ − 6589 pie.sort = function(_) {
+ − 6590 if (!arguments.length) return sort;
+ − 6591 sort = _;
+ − 6592 return pie;
+ − 6593 };
+ − 6594 pie.startAngle = function(_) {
+ − 6595 if (!arguments.length) return startAngle;
+ − 6596 startAngle = _;
+ − 6597 return pie;
+ − 6598 };
+ − 6599 pie.endAngle = function(_) {
+ − 6600 if (!arguments.length) return endAngle;
+ − 6601 endAngle = _;
+ − 6602 return pie;
+ − 6603 };
+ − 6604 pie.padAngle = function(_) {
+ − 6605 if (!arguments.length) return padAngle;
+ − 6606 padAngle = _;
+ − 6607 return pie;
+ − 6608 };
+ − 6609 return pie;
+ − 6610 };
+ − 6611 var d3_layout_pieSortByValue = {};
+ − 6612 d3.layout.stack = function() {
+ − 6613 var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
+ − 6614 function stack(data, index) {
+ − 6615 if (!(n = data.length)) return data;
+ − 6616 var series = data.map(function(d, i) {
+ − 6617 return values.call(stack, d, i);
+ − 6618 });
+ − 6619 var points = series.map(function(d) {
+ − 6620 return d.map(function(v, i) {
+ − 6621 return [ x.call(stack, v, i), y.call(stack, v, i) ];
+ − 6622 });
+ − 6623 });
+ − 6624 var orders = order.call(stack, points, index);
+ − 6625 series = d3.permute(series, orders);
+ − 6626 points = d3.permute(points, orders);
+ − 6627 var offsets = offset.call(stack, points, index);
+ − 6628 var m = series[0].length, n, i, j, o;
+ − 6629 for (j = 0; j < m; ++j) {
+ − 6630 out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
+ − 6631 for (i = 1; i < n; ++i) {
+ − 6632 out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
+ − 6633 }
+ − 6634 }
+ − 6635 return data;
+ − 6636 }
+ − 6637 stack.values = function(x) {
+ − 6638 if (!arguments.length) return values;
+ − 6639 values = x;
+ − 6640 return stack;
+ − 6641 };
+ − 6642 stack.order = function(x) {
+ − 6643 if (!arguments.length) return order;
+ − 6644 order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
+ − 6645 return stack;
+ − 6646 };
+ − 6647 stack.offset = function(x) {
+ − 6648 if (!arguments.length) return offset;
+ − 6649 offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
+ − 6650 return stack;
+ − 6651 };
+ − 6652 stack.x = function(z) {
+ − 6653 if (!arguments.length) return x;
+ − 6654 x = z;
+ − 6655 return stack;
+ − 6656 };
+ − 6657 stack.y = function(z) {
+ − 6658 if (!arguments.length) return y;
+ − 6659 y = z;
+ − 6660 return stack;
+ − 6661 };
+ − 6662 stack.out = function(z) {
+ − 6663 if (!arguments.length) return out;
+ − 6664 out = z;
+ − 6665 return stack;
+ − 6666 };
+ − 6667 return stack;
+ − 6668 };
+ − 6669 function d3_layout_stackX(d) {
+ − 6670 return d.x;
+ − 6671 }
+ − 6672 function d3_layout_stackY(d) {
+ − 6673 return d.y;
+ − 6674 }
+ − 6675 function d3_layout_stackOut(d, y0, y) {
+ − 6676 d.y0 = y0;
+ − 6677 d.y = y;
+ − 6678 }
+ − 6679 var d3_layout_stackOrders = d3.map({
+ − 6680 "inside-out": function(data) {
+ − 6681 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) {
+ − 6682 return max[a] - max[b];
+ − 6683 }), top = 0, bottom = 0, tops = [], bottoms = [];
+ − 6684 for (i = 0; i < n; ++i) {
+ − 6685 j = index[i];
+ − 6686 if (top < bottom) {
+ − 6687 top += sums[j];
+ − 6688 tops.push(j);
+ − 6689 } else {
+ − 6690 bottom += sums[j];
+ − 6691 bottoms.push(j);
+ − 6692 }
+ − 6693 }
+ − 6694 return bottoms.reverse().concat(tops);
+ − 6695 },
+ − 6696 reverse: function(data) {
+ − 6697 return d3.range(data.length).reverse();
+ − 6698 },
+ − 6699 "default": d3_layout_stackOrderDefault
+ − 6700 });
+ − 6701 var d3_layout_stackOffsets = d3.map({
+ − 6702 silhouette: function(data) {
+ − 6703 var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
+ − 6704 for (j = 0; j < m; ++j) {
+ − 6705 for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+ − 6706 if (o > max) max = o;
+ − 6707 sums.push(o);
+ − 6708 }
+ − 6709 for (j = 0; j < m; ++j) {
+ − 6710 y0[j] = (max - sums[j]) / 2;
+ − 6711 }
+ − 6712 return y0;
+ − 6713 },
+ − 6714 wiggle: function(data) {
+ − 6715 var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
+ − 6716 y0[0] = o = o0 = 0;
+ − 6717 for (j = 1; j < m; ++j) {
+ − 6718 for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
+ − 6719 for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
+ − 6720 for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
+ − 6721 s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
+ − 6722 }
+ − 6723 s2 += s3 * data[i][j][1];
+ − 6724 }
+ − 6725 y0[j] = o -= s1 ? s2 / s1 * dx : 0;
+ − 6726 if (o < o0) o0 = o;
+ − 6727 }
+ − 6728 for (j = 0; j < m; ++j) y0[j] -= o0;
+ − 6729 return y0;
+ − 6730 },
+ − 6731 expand: function(data) {
+ − 6732 var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
+ − 6733 for (j = 0; j < m; ++j) {
+ − 6734 for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+ − 6735 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;
+ − 6736 }
+ − 6737 for (j = 0; j < m; ++j) y0[j] = 0;
+ − 6738 return y0;
+ − 6739 },
+ − 6740 zero: d3_layout_stackOffsetZero
+ − 6741 });
+ − 6742 function d3_layout_stackOrderDefault(data) {
+ − 6743 return d3.range(data.length);
+ − 6744 }
+ − 6745 function d3_layout_stackOffsetZero(data) {
+ − 6746 var j = -1, m = data[0].length, y0 = [];
+ − 6747 while (++j < m) y0[j] = 0;
+ − 6748 return y0;
+ − 6749 }
+ − 6750 function d3_layout_stackMaxIndex(array) {
+ − 6751 var i = 1, j = 0, v = array[0][1], k, n = array.length;
+ − 6752 for (;i < n; ++i) {
+ − 6753 if ((k = array[i][1]) > v) {
+ − 6754 j = i;
+ − 6755 v = k;
+ − 6756 }
+ − 6757 }
+ − 6758 return j;
+ − 6759 }
+ − 6760 function d3_layout_stackReduceSum(d) {
+ − 6761 return d.reduce(d3_layout_stackSum, 0);
+ − 6762 }
+ − 6763 function d3_layout_stackSum(p, d) {
+ − 6764 return p + d[1];
+ − 6765 }
+ − 6766 d3.layout.histogram = function() {
+ − 6767 var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
+ − 6768 function histogram(data, i) {
+ − 6769 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;
+ − 6770 while (++i < m) {
+ − 6771 bin = bins[i] = [];
+ − 6772 bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
+ − 6773 bin.y = 0;
+ − 6774 }
+ − 6775 if (m > 0) {
+ − 6776 i = -1;
+ − 6777 while (++i < n) {
+ − 6778 x = values[i];
+ − 6779 if (x >= range[0] && x <= range[1]) {
+ − 6780 bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
+ − 6781 bin.y += k;
+ − 6782 bin.push(data[i]);
+ − 6783 }
+ − 6784 }
+ − 6785 }
+ − 6786 return bins;
+ − 6787 }
+ − 6788 histogram.value = function(x) {
+ − 6789 if (!arguments.length) return valuer;
+ − 6790 valuer = x;
+ − 6791 return histogram;
+ − 6792 };
+ − 6793 histogram.range = function(x) {
+ − 6794 if (!arguments.length) return ranger;
+ − 6795 ranger = d3_functor(x);
+ − 6796 return histogram;
+ − 6797 };
+ − 6798 histogram.bins = function(x) {
+ − 6799 if (!arguments.length) return binner;
+ − 6800 binner = typeof x === "number" ? function(range) {
+ − 6801 return d3_layout_histogramBinFixed(range, x);
+ − 6802 } : d3_functor(x);
+ − 6803 return histogram;
+ − 6804 };
+ − 6805 histogram.frequency = function(x) {
+ − 6806 if (!arguments.length) return frequency;
+ − 6807 frequency = !!x;
+ − 6808 return histogram;
+ − 6809 };
+ − 6810 return histogram;
+ − 6811 };
+ − 6812 function d3_layout_histogramBinSturges(range, values) {
+ − 6813 return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
+ − 6814 }
+ − 6815 function d3_layout_histogramBinFixed(range, n) {
+ − 6816 var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
+ − 6817 while (++x <= n) f[x] = m * x + b;
+ − 6818 return f;
+ − 6819 }
+ − 6820 function d3_layout_histogramRange(values) {
+ − 6821 return [ d3.min(values), d3.max(values) ];
+ − 6822 }
+ − 6823 d3.layout.pack = function() {
+ − 6824 var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius;
+ − 6825 function pack(d, i) {
+ − 6826 var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() {
+ − 6827 return radius;
+ − 6828 };
+ − 6829 root.x = root.y = 0;
+ − 6830 d3_layout_hierarchyVisitAfter(root, function(d) {
+ − 6831 d.r = +r(d.value);
+ − 6832 });
+ − 6833 d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
+ − 6834 if (padding) {
+ − 6835 var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2;
+ − 6836 d3_layout_hierarchyVisitAfter(root, function(d) {
+ − 6837 d.r += dr;
+ − 6838 });
+ − 6839 d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
+ − 6840 d3_layout_hierarchyVisitAfter(root, function(d) {
+ − 6841 d.r -= dr;
+ − 6842 });
+ − 6843 }
+ − 6844 d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h));
+ − 6845 return nodes;
+ − 6846 }
+ − 6847 pack.size = function(_) {
+ − 6848 if (!arguments.length) return size;
+ − 6849 size = _;
+ − 6850 return pack;
+ − 6851 };
+ − 6852 pack.radius = function(_) {
+ − 6853 if (!arguments.length) return radius;
+ − 6854 radius = _ == null || typeof _ === "function" ? _ : +_;
+ − 6855 return pack;
+ − 6856 };
+ − 6857 pack.padding = function(_) {
+ − 6858 if (!arguments.length) return padding;
+ − 6859 padding = +_;
+ − 6860 return pack;
+ − 6861 };
+ − 6862 return d3_layout_hierarchyRebind(pack, hierarchy);
+ − 6863 };
+ − 6864 function d3_layout_packSort(a, b) {
+ − 6865 return a.value - b.value;
+ − 6866 }
+ − 6867 function d3_layout_packInsert(a, b) {
+ − 6868 var c = a._pack_next;
+ − 6869 a._pack_next = b;
+ − 6870 b._pack_prev = a;
+ − 6871 b._pack_next = c;
+ − 6872 c._pack_prev = b;
+ − 6873 }
+ − 6874 function d3_layout_packSplice(a, b) {
+ − 6875 a._pack_next = b;
+ − 6876 b._pack_prev = a;
+ − 6877 }
+ − 6878 function d3_layout_packIntersects(a, b) {
+ − 6879 var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
+ − 6880 return .999 * dr * dr > dx * dx + dy * dy;
+ − 6881 }
+ − 6882 function d3_layout_packSiblings(node) {
+ − 6883 if (!(nodes = node.children) || !(n = nodes.length)) return;
+ − 6884 var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
+ − 6885 function bound(node) {
+ − 6886 xMin = Math.min(node.x - node.r, xMin);
+ − 6887 xMax = Math.max(node.x + node.r, xMax);
+ − 6888 yMin = Math.min(node.y - node.r, yMin);
+ − 6889 yMax = Math.max(node.y + node.r, yMax);
+ − 6890 }
+ − 6891 nodes.forEach(d3_layout_packLink);
+ − 6892 a = nodes[0];
+ − 6893 a.x = -a.r;
+ − 6894 a.y = 0;
+ − 6895 bound(a);
+ − 6896 if (n > 1) {
+ − 6897 b = nodes[1];
+ − 6898 b.x = b.r;
+ − 6899 b.y = 0;
+ − 6900 bound(b);
+ − 6901 if (n > 2) {
+ − 6902 c = nodes[2];
+ − 6903 d3_layout_packPlace(a, b, c);
+ − 6904 bound(c);
+ − 6905 d3_layout_packInsert(a, c);
+ − 6906 a._pack_prev = c;
+ − 6907 d3_layout_packInsert(c, b);
+ − 6908 b = a._pack_next;
+ − 6909 for (i = 3; i < n; i++) {
+ − 6910 d3_layout_packPlace(a, b, c = nodes[i]);
+ − 6911 var isect = 0, s1 = 1, s2 = 1;
+ − 6912 for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
+ − 6913 if (d3_layout_packIntersects(j, c)) {
+ − 6914 isect = 1;
+ − 6915 break;
+ − 6916 }
+ − 6917 }
+ − 6918 if (isect == 1) {
+ − 6919 for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
+ − 6920 if (d3_layout_packIntersects(k, c)) {
+ − 6921 break;
+ − 6922 }
+ − 6923 }
+ − 6924 }
+ − 6925 if (isect) {
+ − 6926 if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
+ − 6927 i--;
+ − 6928 } else {
+ − 6929 d3_layout_packInsert(a, c);
+ − 6930 b = c;
+ − 6931 bound(c);
+ − 6932 }
+ − 6933 }
+ − 6934 }
+ − 6935 }
+ − 6936 var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
+ − 6937 for (i = 0; i < n; i++) {
+ − 6938 c = nodes[i];
+ − 6939 c.x -= cx;
+ − 6940 c.y -= cy;
+ − 6941 cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
+ − 6942 }
+ − 6943 node.r = cr;
+ − 6944 nodes.forEach(d3_layout_packUnlink);
+ − 6945 }
+ − 6946 function d3_layout_packLink(node) {
+ − 6947 node._pack_next = node._pack_prev = node;
+ − 6948 }
+ − 6949 function d3_layout_packUnlink(node) {
+ − 6950 delete node._pack_next;
+ − 6951 delete node._pack_prev;
+ − 6952 }
+ − 6953 function d3_layout_packTransform(node, x, y, k) {
+ − 6954 var children = node.children;
+ − 6955 node.x = x += k * node.x;
+ − 6956 node.y = y += k * node.y;
+ − 6957 node.r *= k;
+ − 6958 if (children) {
+ − 6959 var i = -1, n = children.length;
+ − 6960 while (++i < n) d3_layout_packTransform(children[i], x, y, k);
+ − 6961 }
+ − 6962 }
+ − 6963 function d3_layout_packPlace(a, b, c) {
+ − 6964 var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
+ − 6965 if (db && (dx || dy)) {
+ − 6966 var da = b.r + c.r, dc = dx * dx + dy * dy;
+ − 6967 da *= da;
+ − 6968 db *= db;
+ − 6969 var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
+ − 6970 c.x = a.x + x * dx + y * dy;
+ − 6971 c.y = a.y + x * dy - y * dx;
+ − 6972 } else {
+ − 6973 c.x = a.x + db;
+ − 6974 c.y = a.y;
+ − 6975 }
+ − 6976 }
+ − 6977 d3.layout.tree = function() {
+ − 6978 var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null;
+ − 6979 function tree(d, i) {
+ − 6980 var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0);
+ − 6981 d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z;
+ − 6982 d3_layout_hierarchyVisitBefore(root1, secondWalk);
+ − 6983 if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else {
+ − 6984 var left = root0, right = root0, bottom = root0;
+ − 6985 d3_layout_hierarchyVisitBefore(root0, function(node) {
+ − 6986 if (node.x < left.x) left = node;
+ − 6987 if (node.x > right.x) right = node;
+ − 6988 if (node.depth > bottom.depth) bottom = node;
+ − 6989 });
+ − 6990 var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1);
+ − 6991 d3_layout_hierarchyVisitBefore(root0, function(node) {
+ − 6992 node.x = (node.x + tx) * kx;
+ − 6993 node.y = node.depth * ky;
+ − 6994 });
+ − 6995 }
+ − 6996 return nodes;
+ − 6997 }
+ − 6998 function wrapTree(root0) {
+ − 6999 var root1 = {
+ − 7000 A: null,
+ − 7001 children: [ root0 ]
+ − 7002 }, queue = [ root1 ], node1;
+ − 7003 while ((node1 = queue.pop()) != null) {
+ − 7004 for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) {
+ − 7005 queue.push((children[i] = child = {
+ − 7006 _: children[i],
+ − 7007 parent: node1,
+ − 7008 children: (child = children[i].children) && child.slice() || [],
+ − 7009 A: null,
+ − 7010 a: null,
+ − 7011 z: 0,
+ − 7012 m: 0,
+ − 7013 c: 0,
+ − 7014 s: 0,
+ − 7015 t: null,
+ − 7016 i: i
+ − 7017 }).a = child);
+ − 7018 }
+ − 7019 }
+ − 7020 return root1.children[0];
+ − 7021 }
+ − 7022 function firstWalk(v) {
+ − 7023 var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null;
+ − 7024 if (children.length) {
+ − 7025 d3_layout_treeShift(v);
+ − 7026 var midpoint = (children[0].z + children[children.length - 1].z) / 2;
+ − 7027 if (w) {
+ − 7028 v.z = w.z + separation(v._, w._);
+ − 7029 v.m = v.z - midpoint;
+ − 7030 } else {
+ − 7031 v.z = midpoint;
+ − 7032 }
+ − 7033 } else if (w) {
+ − 7034 v.z = w.z + separation(v._, w._);
+ − 7035 }
+ − 7036 v.parent.A = apportion(v, w, v.parent.A || siblings[0]);
+ − 7037 }
+ − 7038 function secondWalk(v) {
+ − 7039 v._.x = v.z + v.parent.m;
+ − 7040 v.m += v.parent.m;
+ − 7041 }
+ − 7042 function apportion(v, w, ancestor) {
+ − 7043 if (w) {
+ − 7044 var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift;
+ − 7045 while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
+ − 7046 vom = d3_layout_treeLeft(vom);
+ − 7047 vop = d3_layout_treeRight(vop);
+ − 7048 vop.a = v;
+ − 7049 shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);
+ − 7050 if (shift > 0) {
+ − 7051 d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift);
+ − 7052 sip += shift;
+ − 7053 sop += shift;
+ − 7054 }
+ − 7055 sim += vim.m;
+ − 7056 sip += vip.m;
+ − 7057 som += vom.m;
+ − 7058 sop += vop.m;
+ − 7059 }
+ − 7060 if (vim && !d3_layout_treeRight(vop)) {
+ − 7061 vop.t = vim;
+ − 7062 vop.m += sim - sop;
+ − 7063 }
+ − 7064 if (vip && !d3_layout_treeLeft(vom)) {
+ − 7065 vom.t = vip;
+ − 7066 vom.m += sip - som;
+ − 7067 ancestor = v;
+ − 7068 }
+ − 7069 }
+ − 7070 return ancestor;
+ − 7071 }
+ − 7072 function sizeNode(node) {
+ − 7073 node.x *= size[0];
+ − 7074 node.y = node.depth * size[1];
+ − 7075 }
+ − 7076 tree.separation = function(x) {
+ − 7077 if (!arguments.length) return separation;
+ − 7078 separation = x;
+ − 7079 return tree;
+ − 7080 };
+ − 7081 tree.size = function(x) {
+ − 7082 if (!arguments.length) return nodeSize ? null : size;
+ − 7083 nodeSize = (size = x) == null ? sizeNode : null;
+ − 7084 return tree;
+ − 7085 };
+ − 7086 tree.nodeSize = function(x) {
+ − 7087 if (!arguments.length) return nodeSize ? size : null;
+ − 7088 nodeSize = (size = x) == null ? null : sizeNode;
+ − 7089 return tree;
+ − 7090 };
+ − 7091 return d3_layout_hierarchyRebind(tree, hierarchy);
+ − 7092 };
+ − 7093 function d3_layout_treeSeparation(a, b) {
+ − 7094 return a.parent == b.parent ? 1 : 2;
+ − 7095 }
+ − 7096 function d3_layout_treeLeft(v) {
+ − 7097 var children = v.children;
+ − 7098 return children.length ? children[0] : v.t;
+ − 7099 }
+ − 7100 function d3_layout_treeRight(v) {
+ − 7101 var children = v.children, n;
+ − 7102 return (n = children.length) ? children[n - 1] : v.t;
+ − 7103 }
+ − 7104 function d3_layout_treeMove(wm, wp, shift) {
+ − 7105 var change = shift / (wp.i - wm.i);
+ − 7106 wp.c -= change;
+ − 7107 wp.s += shift;
+ − 7108 wm.c += change;
+ − 7109 wp.z += shift;
+ − 7110 wp.m += shift;
+ − 7111 }
+ − 7112 function d3_layout_treeShift(v) {
+ − 7113 var shift = 0, change = 0, children = v.children, i = children.length, w;
+ − 7114 while (--i >= 0) {
+ − 7115 w = children[i];
+ − 7116 w.z += shift;
+ − 7117 w.m += shift;
+ − 7118 shift += w.s + (change += w.c);
+ − 7119 }
+ − 7120 }
+ − 7121 function d3_layout_treeAncestor(vim, v, ancestor) {
+ − 7122 return vim.a.parent === v.parent ? vim.a : ancestor;
+ − 7123 }
+ − 7124 d3.layout.cluster = function() {
+ − 7125 var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false;
+ − 7126 function cluster(d, i) {
+ − 7127 var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
+ − 7128 d3_layout_hierarchyVisitAfter(root, function(node) {
+ − 7129 var children = node.children;
+ − 7130 if (children && children.length) {
+ − 7131 node.x = d3_layout_clusterX(children);
+ − 7132 node.y = d3_layout_clusterY(children);
+ − 7133 } else {
+ − 7134 node.x = previousNode ? x += separation(node, previousNode) : 0;
+ − 7135 node.y = 0;
+ − 7136 previousNode = node;
+ − 7137 }
+ − 7138 });
+ − 7139 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;
+ − 7140 d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) {
+ − 7141 node.x = (node.x - root.x) * size[0];
+ − 7142 node.y = (root.y - node.y) * size[1];
+ − 7143 } : function(node) {
+ − 7144 node.x = (node.x - x0) / (x1 - x0) * size[0];
+ − 7145 node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
+ − 7146 });
+ − 7147 return nodes;
+ − 7148 }
+ − 7149 cluster.separation = function(x) {
+ − 7150 if (!arguments.length) return separation;
+ − 7151 separation = x;
+ − 7152 return cluster;
+ − 7153 };
+ − 7154 cluster.size = function(x) {
+ − 7155 if (!arguments.length) return nodeSize ? null : size;
+ − 7156 nodeSize = (size = x) == null;
+ − 7157 return cluster;
+ − 7158 };
+ − 7159 cluster.nodeSize = function(x) {
+ − 7160 if (!arguments.length) return nodeSize ? size : null;
+ − 7161 nodeSize = (size = x) != null;
+ − 7162 return cluster;
+ − 7163 };
+ − 7164 return d3_layout_hierarchyRebind(cluster, hierarchy);
+ − 7165 };
+ − 7166 function d3_layout_clusterY(children) {
+ − 7167 return 1 + d3.max(children, function(child) {
+ − 7168 return child.y;
+ − 7169 });
+ − 7170 }
+ − 7171 function d3_layout_clusterX(children) {
+ − 7172 return children.reduce(function(x, child) {
+ − 7173 return x + child.x;
+ − 7174 }, 0) / children.length;
+ − 7175 }
+ − 7176 function d3_layout_clusterLeft(node) {
+ − 7177 var children = node.children;
+ − 7178 return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
+ − 7179 }
+ − 7180 function d3_layout_clusterRight(node) {
+ − 7181 var children = node.children, n;
+ − 7182 return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
+ − 7183 }
+ − 7184 d3.layout.treemap = function() {
+ − 7185 var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5));
+ − 7186 function scale(children, k) {
+ − 7187 var i = -1, n = children.length, child, area;
+ − 7188 while (++i < n) {
+ − 7189 area = (child = children[i]).value * (k < 0 ? 0 : k);
+ − 7190 child.area = isNaN(area) || area <= 0 ? 0 : area;
+ − 7191 }
+ − 7192 }
+ − 7193 function squarify(node) {
+ − 7194 var children = node.children;
+ − 7195 if (children && children.length) {
+ − 7196 var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n;
+ − 7197 scale(remaining, rect.dx * rect.dy / node.value);
+ − 7198 row.area = 0;
+ − 7199 while ((n = remaining.length) > 0) {
+ − 7200 row.push(child = remaining[n - 1]);
+ − 7201 row.area += child.area;
+ − 7202 if (mode !== "squarify" || (score = worst(row, u)) <= best) {
+ − 7203 remaining.pop();
+ − 7204 best = score;
+ − 7205 } else {
+ − 7206 row.area -= row.pop().area;
+ − 7207 position(row, u, rect, false);
+ − 7208 u = Math.min(rect.dx, rect.dy);
+ − 7209 row.length = row.area = 0;
+ − 7210 best = Infinity;
+ − 7211 }
+ − 7212 }
+ − 7213 if (row.length) {
+ − 7214 position(row, u, rect, true);
+ − 7215 row.length = row.area = 0;
+ − 7216 }
+ − 7217 children.forEach(squarify);
+ − 7218 }
+ − 7219 }
+ − 7220 function stickify(node) {
+ − 7221 var children = node.children;
+ − 7222 if (children && children.length) {
+ − 7223 var rect = pad(node), remaining = children.slice(), child, row = [];
+ − 7224 scale(remaining, rect.dx * rect.dy / node.value);
+ − 7225 row.area = 0;
+ − 7226 while (child = remaining.pop()) {
+ − 7227 row.push(child);
+ − 7228 row.area += child.area;
+ − 7229 if (child.z != null) {
+ − 7230 position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
+ − 7231 row.length = row.area = 0;
+ − 7232 }
+ − 7233 }
+ − 7234 children.forEach(stickify);
+ − 7235 }
+ − 7236 }
+ − 7237 function worst(row, u) {
+ − 7238 var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
+ − 7239 while (++i < n) {
+ − 7240 if (!(r = row[i].area)) continue;
+ − 7241 if (r < rmin) rmin = r;
+ − 7242 if (r > rmax) rmax = r;
+ − 7243 }
+ − 7244 s *= s;
+ − 7245 u *= u;
+ − 7246 return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
+ − 7247 }
+ − 7248 function position(row, u, rect, flush) {
+ − 7249 var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
+ − 7250 if (u == rect.dx) {
+ − 7251 if (flush || v > rect.dy) v = rect.dy;
+ − 7252 while (++i < n) {
+ − 7253 o = row[i];
+ − 7254 o.x = x;
+ − 7255 o.y = y;
+ − 7256 o.dy = v;
+ − 7257 x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
+ − 7258 }
+ − 7259 o.z = true;
+ − 7260 o.dx += rect.x + rect.dx - x;
+ − 7261 rect.y += v;
+ − 7262 rect.dy -= v;
+ − 7263 } else {
+ − 7264 if (flush || v > rect.dx) v = rect.dx;
+ − 7265 while (++i < n) {
+ − 7266 o = row[i];
+ − 7267 o.x = x;
+ − 7268 o.y = y;
+ − 7269 o.dx = v;
+ − 7270 y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
+ − 7271 }
+ − 7272 o.z = false;
+ − 7273 o.dy += rect.y + rect.dy - y;
+ − 7274 rect.x += v;
+ − 7275 rect.dx -= v;
+ − 7276 }
+ − 7277 }
+ − 7278 function treemap(d) {
+ − 7279 var nodes = stickies || hierarchy(d), root = nodes[0];
+ − 7280 root.x = 0;
+ − 7281 root.y = 0;
+ − 7282 root.dx = size[0];
+ − 7283 root.dy = size[1];
+ − 7284 if (stickies) hierarchy.revalue(root);
+ − 7285 scale([ root ], root.dx * root.dy / root.value);
+ − 7286 (stickies ? stickify : squarify)(root);
+ − 7287 if (sticky) stickies = nodes;
+ − 7288 return nodes;
+ − 7289 }
+ − 7290 treemap.size = function(x) {
+ − 7291 if (!arguments.length) return size;
+ − 7292 size = x;
+ − 7293 return treemap;
+ − 7294 };
+ − 7295 treemap.padding = function(x) {
+ − 7296 if (!arguments.length) return padding;
+ − 7297 function padFunction(node) {
+ − 7298 var p = x.call(treemap, node, node.depth);
+ − 7299 return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
+ − 7300 }
+ − 7301 function padConstant(node) {
+ − 7302 return d3_layout_treemapPad(node, x);
+ − 7303 }
+ − 7304 var type;
+ − 7305 pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ],
+ − 7306 padConstant) : padConstant;
+ − 7307 return treemap;
+ − 7308 };
+ − 7309 treemap.round = function(x) {
+ − 7310 if (!arguments.length) return round != Number;
+ − 7311 round = x ? Math.round : Number;
+ − 7312 return treemap;
+ − 7313 };
+ − 7314 treemap.sticky = function(x) {
+ − 7315 if (!arguments.length) return sticky;
+ − 7316 sticky = x;
+ − 7317 stickies = null;
+ − 7318 return treemap;
+ − 7319 };
+ − 7320 treemap.ratio = function(x) {
+ − 7321 if (!arguments.length) return ratio;
+ − 7322 ratio = x;
+ − 7323 return treemap;
+ − 7324 };
+ − 7325 treemap.mode = function(x) {
+ − 7326 if (!arguments.length) return mode;
+ − 7327 mode = x + "";
+ − 7328 return treemap;
+ − 7329 };
+ − 7330 return d3_layout_hierarchyRebind(treemap, hierarchy);
+ − 7331 };
+ − 7332 function d3_layout_treemapPadNull(node) {
+ − 7333 return {
+ − 7334 x: node.x,
+ − 7335 y: node.y,
+ − 7336 dx: node.dx,
+ − 7337 dy: node.dy
+ − 7338 };
+ − 7339 }
+ − 7340 function d3_layout_treemapPad(node, padding) {
+ − 7341 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];
+ − 7342 if (dx < 0) {
+ − 7343 x += dx / 2;
+ − 7344 dx = 0;
+ − 7345 }
+ − 7346 if (dy < 0) {
+ − 7347 y += dy / 2;
+ − 7348 dy = 0;
+ − 7349 }
+ − 7350 return {
+ − 7351 x: x,
+ − 7352 y: y,
+ − 7353 dx: dx,
+ − 7354 dy: dy
+ − 7355 };
+ − 7356 }
+ − 7357 d3.random = {
+ − 7358 normal: function(µ, σ) {
+ − 7359 var n = arguments.length;
+ − 7360 if (n < 2) σ = 1;
+ − 7361 if (n < 1) µ = 0;
+ − 7362 return function() {
+ − 7363 var x, y, r;
+ − 7364 do {
+ − 7365 x = Math.random() * 2 - 1;
+ − 7366 y = Math.random() * 2 - 1;
+ − 7367 r = x * x + y * y;
+ − 7368 } while (!r || r > 1);
+ − 7369 return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
+ − 7370 };
+ − 7371 },
+ − 7372 logNormal: function() {
+ − 7373 var random = d3.random.normal.apply(d3, arguments);
+ − 7374 return function() {
+ − 7375 return Math.exp(random());
+ − 7376 };
+ − 7377 },
+ − 7378 bates: function(m) {
+ − 7379 var random = d3.random.irwinHall(m);
+ − 7380 return function() {
+ − 7381 return random() / m;
+ − 7382 };
+ − 7383 },
+ − 7384 irwinHall: function(m) {
+ − 7385 return function() {
+ − 7386 for (var s = 0, j = 0; j < m; j++) s += Math.random();
+ − 7387 return s;
+ − 7388 };
+ − 7389 }
+ − 7390 };
+ − 7391 d3.scale = {};
+ − 7392 function d3_scaleExtent(domain) {
+ − 7393 var start = domain[0], stop = domain[domain.length - 1];
+ − 7394 return start < stop ? [ start, stop ] : [ stop, start ];
+ − 7395 }
+ − 7396 function d3_scaleRange(scale) {
+ − 7397 return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
+ − 7398 }
+ − 7399 function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
+ − 7400 var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
+ − 7401 return function(x) {
+ − 7402 return i(u(x));
+ − 7403 };
+ − 7404 }
+ − 7405 function d3_scale_nice(domain, nice) {
+ − 7406 var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
+ − 7407 if (x1 < x0) {
+ − 7408 dx = i0, i0 = i1, i1 = dx;
+ − 7409 dx = x0, x0 = x1, x1 = dx;
+ − 7410 }
+ − 7411 domain[i0] = nice.floor(x0);
+ − 7412 domain[i1] = nice.ceil(x1);
+ − 7413 return domain;
+ − 7414 }
+ − 7415 function d3_scale_niceStep(step) {
+ − 7416 return step ? {
+ − 7417 floor: function(x) {
+ − 7418 return Math.floor(x / step) * step;
+ − 7419 },
+ − 7420 ceil: function(x) {
+ − 7421 return Math.ceil(x / step) * step;
+ − 7422 }
+ − 7423 } : d3_scale_niceIdentity;
+ − 7424 }
+ − 7425 var d3_scale_niceIdentity = {
+ − 7426 floor: d3_identity,
+ − 7427 ceil: d3_identity
+ − 7428 };
+ − 7429 function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
+ − 7430 var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
+ − 7431 if (domain[k] < domain[0]) {
+ − 7432 domain = domain.slice().reverse();
+ − 7433 range = range.slice().reverse();
+ − 7434 }
+ − 7435 while (++j <= k) {
+ − 7436 u.push(uninterpolate(domain[j - 1], domain[j]));
+ − 7437 i.push(interpolate(range[j - 1], range[j]));
+ − 7438 }
+ − 7439 return function(x) {
+ − 7440 var j = d3.bisect(domain, x, 1, k) - 1;
+ − 7441 return i[j](u[j](x));
+ − 7442 };
+ − 7443 }
+ − 7444 d3.scale.linear = function() {
+ − 7445 return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);
+ − 7446 };
+ − 7447 function d3_scale_linear(domain, range, interpolate, clamp) {
+ − 7448 var output, input;
+ − 7449 function rescale() {
+ − 7450 var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
+ − 7451 output = linear(domain, range, uninterpolate, interpolate);
+ − 7452 input = linear(range, domain, uninterpolate, d3_interpolate);
+ − 7453 return scale;
+ − 7454 }
+ − 7455 function scale(x) {
+ − 7456 return output(x);
+ − 7457 }
+ − 7458 scale.invert = function(y) {
+ − 7459 return input(y);
+ − 7460 };
+ − 7461 scale.domain = function(x) {
+ − 7462 if (!arguments.length) return domain;
+ − 7463 domain = x.map(Number);
+ − 7464 return rescale();
+ − 7465 };
+ − 7466 scale.range = function(x) {
+ − 7467 if (!arguments.length) return range;
+ − 7468 range = x;
+ − 7469 return rescale();
+ − 7470 };
+ − 7471 scale.rangeRound = function(x) {
+ − 7472 return scale.range(x).interpolate(d3_interpolateRound);
+ − 7473 };
+ − 7474 scale.clamp = function(x) {
+ − 7475 if (!arguments.length) return clamp;
+ − 7476 clamp = x;
+ − 7477 return rescale();
+ − 7478 };
+ − 7479 scale.interpolate = function(x) {
+ − 7480 if (!arguments.length) return interpolate;
+ − 7481 interpolate = x;
+ − 7482 return rescale();
+ − 7483 };
+ − 7484 scale.ticks = function(m) {
+ − 7485 return d3_scale_linearTicks(domain, m);
+ − 7486 };
+ − 7487 scale.tickFormat = function(m, format) {
+ − 7488 return d3_scale_linearTickFormat(domain, m, format);
+ − 7489 };
+ − 7490 scale.nice = function(m) {
+ − 7491 d3_scale_linearNice(domain, m);
+ − 7492 return rescale();
+ − 7493 };
+ − 7494 scale.copy = function() {
+ − 7495 return d3_scale_linear(domain, range, interpolate, clamp);
+ − 7496 };
+ − 7497 return rescale();
+ − 7498 }
+ − 7499 function d3_scale_linearRebind(scale, linear) {
+ − 7500 return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+ − 7501 }
+ − 7502 function d3_scale_linearNice(domain, m) {
+ − 7503 return d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));
+ − 7504 }
+ − 7505 function d3_scale_linearTickRange(domain, m) {
+ − 7506 if (m == null) m = 10;
+ − 7507 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;
+ − 7508 if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
+ − 7509 extent[0] = Math.ceil(extent[0] / step) * step;
+ − 7510 extent[1] = Math.floor(extent[1] / step) * step + step * .5;
+ − 7511 extent[2] = step;
+ − 7512 return extent;
+ − 7513 }
+ − 7514 function d3_scale_linearTicks(domain, m) {
+ − 7515 return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
+ − 7516 }
+ − 7517 function d3_scale_linearTickFormat(domain, m, format) {
+ − 7518 var range = d3_scale_linearTickRange(domain, m);
+ − 7519 if (format) {
+ − 7520 var match = d3_format_re.exec(format);
+ − 7521 match.shift();
+ − 7522 if (match[8] === "s") {
+ − 7523 var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1])));
+ − 7524 if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2]));
+ − 7525 match[8] = "f";
+ − 7526 format = d3.format(match.join(""));
+ − 7527 return function(d) {
+ − 7528 return format(prefix.scale(d)) + prefix.symbol;
+ − 7529 };
+ − 7530 }
+ − 7531 if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range);
+ − 7532 format = match.join("");
+ − 7533 } else {
+ − 7534 format = ",." + d3_scale_linearPrecision(range[2]) + "f";
+ − 7535 }
+ − 7536 return d3.format(format);
+ − 7537 }
+ − 7538 var d3_scale_linearFormatSignificant = {
+ − 7539 s: 1,
+ − 7540 g: 1,
+ − 7541 p: 1,
+ − 7542 r: 1,
+ − 7543 e: 1
+ − 7544 };
+ − 7545 function d3_scale_linearPrecision(value) {
+ − 7546 return -Math.floor(Math.log(value) / Math.LN10 + .01);
+ − 7547 }
+ − 7548 function d3_scale_linearFormatPrecision(type, range) {
+ − 7549 var p = d3_scale_linearPrecision(range[2]);
+ − 7550 return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2;
+ − 7551 }
+ − 7552 d3.scale.log = function() {
+ − 7553 return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]);
+ − 7554 };
+ − 7555 function d3_scale_log(linear, base, positive, domain) {
+ − 7556 function log(x) {
+ − 7557 return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base);
+ − 7558 }
+ − 7559 function pow(x) {
+ − 7560 return positive ? Math.pow(base, x) : -Math.pow(base, -x);
+ − 7561 }
+ − 7562 function scale(x) {
+ − 7563 return linear(log(x));
+ − 7564 }
+ − 7565 scale.invert = function(x) {
+ − 7566 return pow(linear.invert(x));
+ − 7567 };
+ − 7568 scale.domain = function(x) {
+ − 7569 if (!arguments.length) return domain;
+ − 7570 positive = x[0] >= 0;
+ − 7571 linear.domain((domain = x.map(Number)).map(log));
+ − 7572 return scale;
+ − 7573 };
+ − 7574 scale.base = function(_) {
+ − 7575 if (!arguments.length) return base;
+ − 7576 base = +_;
+ − 7577 linear.domain(domain.map(log));
+ − 7578 return scale;
+ − 7579 };
+ − 7580 scale.nice = function() {
+ − 7581 var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative);
+ − 7582 linear.domain(niced);
+ − 7583 domain = niced.map(pow);
+ − 7584 return scale;
+ − 7585 };
+ − 7586 scale.ticks = function() {
+ − 7587 var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base;
+ − 7588 if (isFinite(j - i)) {
+ − 7589 if (positive) {
+ − 7590 for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k);
+ − 7591 ticks.push(pow(i));
+ − 7592 } else {
+ − 7593 ticks.push(pow(i));
+ − 7594 for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k);
+ − 7595 }
+ − 7596 for (i = 0; ticks[i] < u; i++) {}
+ − 7597 for (j = ticks.length; ticks[j - 1] > v; j--) {}
+ − 7598 ticks = ticks.slice(i, j);
+ − 7599 }
+ − 7600 return ticks;
+ − 7601 };
+ − 7602 scale.tickFormat = function(n, format) {
+ − 7603 if (!arguments.length) return d3_scale_logFormat;
+ − 7604 if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format);
+ − 7605 var k = Math.max(.1, n / scale.ticks().length), f = positive ? (e = 1e-12, Math.ceil) : (e = -1e-12,
+ − 7606 Math.floor), e;
+ − 7607 return function(d) {
+ − 7608 return d / pow(f(log(d) + e)) <= k ? format(d) : "";
+ − 7609 };
+ − 7610 };
+ − 7611 scale.copy = function() {
+ − 7612 return d3_scale_log(linear.copy(), base, positive, domain);
+ − 7613 };
+ − 7614 return d3_scale_linearRebind(scale, linear);
+ − 7615 }
+ − 7616 var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = {
+ − 7617 floor: function(x) {
+ − 7618 return -Math.ceil(-x);
+ − 7619 },
+ − 7620 ceil: function(x) {
+ − 7621 return -Math.floor(-x);
+ − 7622 }
+ − 7623 };
+ − 7624 d3.scale.pow = function() {
+ − 7625 return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]);
+ − 7626 };
+ − 7627 function d3_scale_pow(linear, exponent, domain) {
+ − 7628 var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
+ − 7629 function scale(x) {
+ − 7630 return linear(powp(x));
+ − 7631 }
+ − 7632 scale.invert = function(x) {
+ − 7633 return powb(linear.invert(x));
+ − 7634 };
+ − 7635 scale.domain = function(x) {
+ − 7636 if (!arguments.length) return domain;
+ − 7637 linear.domain((domain = x.map(Number)).map(powp));
+ − 7638 return scale;
+ − 7639 };
+ − 7640 scale.ticks = function(m) {
+ − 7641 return d3_scale_linearTicks(domain, m);
+ − 7642 };
+ − 7643 scale.tickFormat = function(m, format) {
+ − 7644 return d3_scale_linearTickFormat(domain, m, format);
+ − 7645 };
+ − 7646 scale.nice = function(m) {
+ − 7647 return scale.domain(d3_scale_linearNice(domain, m));
+ − 7648 };
+ − 7649 scale.exponent = function(x) {
+ − 7650 if (!arguments.length) return exponent;
+ − 7651 powp = d3_scale_powPow(exponent = x);
+ − 7652 powb = d3_scale_powPow(1 / exponent);
+ − 7653 linear.domain(domain.map(powp));
+ − 7654 return scale;
+ − 7655 };
+ − 7656 scale.copy = function() {
+ − 7657 return d3_scale_pow(linear.copy(), exponent, domain);
+ − 7658 };
+ − 7659 return d3_scale_linearRebind(scale, linear);
+ − 7660 }
+ − 7661 function d3_scale_powPow(e) {
+ − 7662 return function(x) {
+ − 7663 return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
+ − 7664 };
+ − 7665 }
+ − 7666 d3.scale.sqrt = function() {
+ − 7667 return d3.scale.pow().exponent(.5);
+ − 7668 };
+ − 7669 d3.scale.ordinal = function() {
+ − 7670 return d3_scale_ordinal([], {
+ − 7671 t: "range",
+ − 7672 a: [ [] ]
+ − 7673 });
+ − 7674 };
+ − 7675 function d3_scale_ordinal(domain, ranger) {
+ − 7676 var index, range, rangeBand;
+ − 7677 function scale(x) {
+ − 7678 return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length];
+ − 7679 }
+ − 7680 function steps(start, step) {
+ − 7681 return d3.range(domain.length).map(function(i) {
+ − 7682 return start + step * i;
+ − 7683 });
+ − 7684 }
+ − 7685 scale.domain = function(x) {
+ − 7686 if (!arguments.length) return domain;
+ − 7687 domain = [];
+ − 7688 index = new d3_Map();
+ − 7689 var i = -1, n = x.length, xi;
+ − 7690 while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
+ − 7691 return scale[ranger.t].apply(scale, ranger.a);
+ − 7692 };
+ − 7693 scale.range = function(x) {
+ − 7694 if (!arguments.length) return range;
+ − 7695 range = x;
+ − 7696 rangeBand = 0;
+ − 7697 ranger = {
+ − 7698 t: "range",
+ − 7699 a: arguments
+ − 7700 };
+ − 7701 return scale;
+ − 7702 };
+ − 7703 scale.rangePoints = function(x, padding) {
+ − 7704 if (arguments.length < 2) padding = 0;
+ − 7705 var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2,
+ − 7706 0) : (stop - start) / (domain.length - 1 + padding);
+ − 7707 range = steps(start + step * padding / 2, step);
+ − 7708 rangeBand = 0;
+ − 7709 ranger = {
+ − 7710 t: "rangePoints",
+ − 7711 a: arguments
+ − 7712 };
+ − 7713 return scale;
+ − 7714 };
+ − 7715 scale.rangeRoundPoints = function(x, padding) {
+ − 7716 if (arguments.length < 2) padding = 0;
+ − 7717 var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2),
+ − 7718 0) : (stop - start) / (domain.length - 1 + padding) | 0;
+ − 7719 range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step);
+ − 7720 rangeBand = 0;
+ − 7721 ranger = {
+ − 7722 t: "rangeRoundPoints",
+ − 7723 a: arguments
+ − 7724 };
+ − 7725 return scale;
+ − 7726 };
+ − 7727 scale.rangeBands = function(x, padding, outerPadding) {
+ − 7728 if (arguments.length < 2) padding = 0;
+ − 7729 if (arguments.length < 3) outerPadding = padding;
+ − 7730 var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
+ − 7731 range = steps(start + step * outerPadding, step);
+ − 7732 if (reverse) range.reverse();
+ − 7733 rangeBand = step * (1 - padding);
+ − 7734 ranger = {
+ − 7735 t: "rangeBands",
+ − 7736 a: arguments
+ − 7737 };
+ − 7738 return scale;
+ − 7739 };
+ − 7740 scale.rangeRoundBands = function(x, padding, outerPadding) {
+ − 7741 if (arguments.length < 2) padding = 0;
+ − 7742 if (arguments.length < 3) outerPadding = padding;
+ − 7743 var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding));
+ − 7744 range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step);
+ − 7745 if (reverse) range.reverse();
+ − 7746 rangeBand = Math.round(step * (1 - padding));
+ − 7747 ranger = {
+ − 7748 t: "rangeRoundBands",
+ − 7749 a: arguments
+ − 7750 };
+ − 7751 return scale;
+ − 7752 };
+ − 7753 scale.rangeBand = function() {
+ − 7754 return rangeBand;
+ − 7755 };
+ − 7756 scale.rangeExtent = function() {
+ − 7757 return d3_scaleExtent(ranger.a[0]);
+ − 7758 };
+ − 7759 scale.copy = function() {
+ − 7760 return d3_scale_ordinal(domain, ranger);
+ − 7761 };
+ − 7762 return scale.domain(domain);
+ − 7763 }
+ − 7764 d3.scale.category10 = function() {
+ − 7765 return d3.scale.ordinal().range(d3_category10);
+ − 7766 };
+ − 7767 d3.scale.category20 = function() {
+ − 7768 return d3.scale.ordinal().range(d3_category20);
+ − 7769 };
+ − 7770 d3.scale.category20b = function() {
+ − 7771 return d3.scale.ordinal().range(d3_category20b);
+ − 7772 };
+ − 7773 d3.scale.category20c = function() {
+ − 7774 return d3.scale.ordinal().range(d3_category20c);
+ − 7775 };
+ − 7776 var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString);
+ − 7777 var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString);
+ − 7778 var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString);
+ − 7779 var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString);
+ − 7780 d3.scale.quantile = function() {
+ − 7781 return d3_scale_quantile([], []);
+ − 7782 };
+ − 7783 function d3_scale_quantile(domain, range) {
+ − 7784 var thresholds;
+ − 7785 function rescale() {
+ − 7786 var k = 0, q = range.length;
+ − 7787 thresholds = [];
+ − 7788 while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
+ − 7789 return scale;
+ − 7790 }
+ − 7791 function scale(x) {
+ − 7792 if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)];
+ − 7793 }
+ − 7794 scale.domain = function(x) {
+ − 7795 if (!arguments.length) return domain;
+ − 7796 domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending);
+ − 7797 return rescale();
+ − 7798 };
+ − 7799 scale.range = function(x) {
+ − 7800 if (!arguments.length) return range;
+ − 7801 range = x;
+ − 7802 return rescale();
+ − 7803 };
+ − 7804 scale.quantiles = function() {
+ − 7805 return thresholds;
+ − 7806 };
+ − 7807 scale.invertExtent = function(y) {
+ − 7808 y = range.indexOf(y);
+ − 7809 return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ];
+ − 7810 };
+ − 7811 scale.copy = function() {
+ − 7812 return d3_scale_quantile(domain, range);
+ − 7813 };
+ − 7814 return rescale();
+ − 7815 }
+ − 7816 d3.scale.quantize = function() {
+ − 7817 return d3_scale_quantize(0, 1, [ 0, 1 ]);
+ − 7818 };
+ − 7819 function d3_scale_quantize(x0, x1, range) {
+ − 7820 var kx, i;
+ − 7821 function scale(x) {
+ − 7822 return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
+ − 7823 }
+ − 7824 function rescale() {
+ − 7825 kx = range.length / (x1 - x0);
+ − 7826 i = range.length - 1;
+ − 7827 return scale;
+ − 7828 }
+ − 7829 scale.domain = function(x) {
+ − 7830 if (!arguments.length) return [ x0, x1 ];
+ − 7831 x0 = +x[0];
+ − 7832 x1 = +x[x.length - 1];
+ − 7833 return rescale();
+ − 7834 };
+ − 7835 scale.range = function(x) {
+ − 7836 if (!arguments.length) return range;
+ − 7837 range = x;
+ − 7838 return rescale();
+ − 7839 };
+ − 7840 scale.invertExtent = function(y) {
+ − 7841 y = range.indexOf(y);
+ − 7842 y = y < 0 ? NaN : y / kx + x0;
+ − 7843 return [ y, y + 1 / kx ];
+ − 7844 };
+ − 7845 scale.copy = function() {
+ − 7846 return d3_scale_quantize(x0, x1, range);
+ − 7847 };
+ − 7848 return rescale();
+ − 7849 }
+ − 7850 d3.scale.threshold = function() {
+ − 7851 return d3_scale_threshold([ .5 ], [ 0, 1 ]);
+ − 7852 };
+ − 7853 function d3_scale_threshold(domain, range) {
+ − 7854 function scale(x) {
+ − 7855 if (x <= x) return range[d3.bisect(domain, x)];
+ − 7856 }
+ − 7857 scale.domain = function(_) {
+ − 7858 if (!arguments.length) return domain;
+ − 7859 domain = _;
+ − 7860 return scale;
+ − 7861 };
+ − 7862 scale.range = function(_) {
+ − 7863 if (!arguments.length) return range;
+ − 7864 range = _;
+ − 7865 return scale;
+ − 7866 };
+ − 7867 scale.invertExtent = function(y) {
+ − 7868 y = range.indexOf(y);
+ − 7869 return [ domain[y - 1], domain[y] ];
+ − 7870 };
+ − 7871 scale.copy = function() {
+ − 7872 return d3_scale_threshold(domain, range);
+ − 7873 };
+ − 7874 return scale;
+ − 7875 }
+ − 7876 d3.scale.identity = function() {
+ − 7877 return d3_scale_identity([ 0, 1 ]);
+ − 7878 };
+ − 7879 function d3_scale_identity(domain) {
+ − 7880 function identity(x) {
+ − 7881 return +x;
+ − 7882 }
+ − 7883 identity.invert = identity;
+ − 7884 identity.domain = identity.range = function(x) {
+ − 7885 if (!arguments.length) return domain;
+ − 7886 domain = x.map(identity);
+ − 7887 return identity;
+ − 7888 };
+ − 7889 identity.ticks = function(m) {
+ − 7890 return d3_scale_linearTicks(domain, m);
+ − 7891 };
+ − 7892 identity.tickFormat = function(m, format) {
+ − 7893 return d3_scale_linearTickFormat(domain, m, format);
+ − 7894 };
+ − 7895 identity.copy = function() {
+ − 7896 return d3_scale_identity(domain);
+ − 7897 };
+ − 7898 return identity;
+ − 7899 }
+ − 7900 d3.svg = {};
+ − 7901 function d3_zero() {
+ − 7902 return 0;
+ − 7903 }
+ − 7904 d3.svg.arc = function() {
+ − 7905 var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle;
+ − 7906 function arc() {
+ − 7907 var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1;
+ − 7908 if (r1 < r0) rc = r1, r1 = r0, r0 = rc;
+ − 7909 if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z";
+ − 7910 var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = [];
+ − 7911 if (ap = (+padAngle.apply(this, arguments) || 0) / 2) {
+ − 7912 rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments);
+ − 7913 if (!cw) p1 *= -1;
+ − 7914 if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap));
+ − 7915 if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap));
+ − 7916 }
+ − 7917 if (r1) {
+ − 7918 x0 = r1 * Math.cos(a0 + p1);
+ − 7919 y0 = r1 * Math.sin(a0 + p1);
+ − 7920 x1 = r1 * Math.cos(a1 - p1);
+ − 7921 y1 = r1 * Math.sin(a1 - p1);
+ − 7922 var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1;
+ − 7923 if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) {
+ − 7924 var h1 = (a0 + a1) / 2;
+ − 7925 x0 = r1 * Math.cos(h1);
+ − 7926 y0 = r1 * Math.sin(h1);
+ − 7927 x1 = y1 = null;
+ − 7928 }
+ − 7929 } else {
+ − 7930 x0 = y0 = 0;
+ − 7931 }
+ − 7932 if (r0) {
+ − 7933 x2 = r0 * Math.cos(a1 - p0);
+ − 7934 y2 = r0 * Math.sin(a1 - p0);
+ − 7935 x3 = r0 * Math.cos(a0 + p0);
+ − 7936 y3 = r0 * Math.sin(a0 + p0);
+ − 7937 var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1;
+ − 7938 if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) {
+ − 7939 var h0 = (a0 + a1) / 2;
+ − 7940 x2 = r0 * Math.cos(h0);
+ − 7941 y2 = r0 * Math.sin(h0);
+ − 7942 x3 = y3 = null;
+ − 7943 }
+ − 7944 } else {
+ − 7945 x2 = y2 = 0;
+ − 7946 }
+ − 7947 if ((rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) {
+ − 7948 cr = r0 < r1 ^ cw ? 0 : 1;
+ − 7949 var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]);
+ − 7950 if (x1 != null) {
+ − 7951 var rc1 = Math.min(rc, (r1 - lc) / (kc + 1)), t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw);
+ − 7952 if (rc === rc1) {
+ − 7953 path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]);
+ − 7954 } else {
+ − 7955 path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]);
+ − 7956 }
+ − 7957 } else {
+ − 7958 path.push("M", x0, ",", y0);
+ − 7959 }
+ − 7960 if (x3 != null) {
+ − 7961 var rc0 = Math.min(rc, (r0 - lc) / (kc - 1)), t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw);
+ − 7962 if (rc === rc0) {
+ − 7963 path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
+ − 7964 } else {
+ − 7965 path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
+ − 7966 }
+ − 7967 } else {
+ − 7968 path.push("L", x2, ",", y2);
+ − 7969 }
+ − 7970 } else {
+ − 7971 path.push("M", x0, ",", y0);
+ − 7972 if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1);
+ − 7973 path.push("L", x2, ",", y2);
+ − 7974 if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3);
+ − 7975 }
+ − 7976 path.push("Z");
+ − 7977 return path.join("");
+ − 7978 }
+ − 7979 function circleSegment(r1, cw) {
+ − 7980 return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1;
+ − 7981 }
+ − 7982 arc.innerRadius = function(v) {
+ − 7983 if (!arguments.length) return innerRadius;
+ − 7984 innerRadius = d3_functor(v);
+ − 7985 return arc;
+ − 7986 };
+ − 7987 arc.outerRadius = function(v) {
+ − 7988 if (!arguments.length) return outerRadius;
+ − 7989 outerRadius = d3_functor(v);
+ − 7990 return arc;
+ − 7991 };
+ − 7992 arc.cornerRadius = function(v) {
+ − 7993 if (!arguments.length) return cornerRadius;
+ − 7994 cornerRadius = d3_functor(v);
+ − 7995 return arc;
+ − 7996 };
+ − 7997 arc.padRadius = function(v) {
+ − 7998 if (!arguments.length) return padRadius;
+ − 7999 padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v);
+ − 8000 return arc;
+ − 8001 };
+ − 8002 arc.startAngle = function(v) {
+ − 8003 if (!arguments.length) return startAngle;
+ − 8004 startAngle = d3_functor(v);
+ − 8005 return arc;
+ − 8006 };
+ − 8007 arc.endAngle = function(v) {
+ − 8008 if (!arguments.length) return endAngle;
+ − 8009 endAngle = d3_functor(v);
+ − 8010 return arc;
+ − 8011 };
+ − 8012 arc.padAngle = function(v) {
+ − 8013 if (!arguments.length) return padAngle;
+ − 8014 padAngle = d3_functor(v);
+ − 8015 return arc;
+ − 8016 };
+ − 8017 arc.centroid = function() {
+ − 8018 var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ;
+ − 8019 return [ Math.cos(a) * r, Math.sin(a) * r ];
+ − 8020 };
+ − 8021 return arc;
+ − 8022 };
+ − 8023 var d3_svg_arcAuto = "auto";
+ − 8024 function d3_svg_arcInnerRadius(d) {
+ − 8025 return d.innerRadius;
+ − 8026 }
+ − 8027 function d3_svg_arcOuterRadius(d) {
+ − 8028 return d.outerRadius;
+ − 8029 }
+ − 8030 function d3_svg_arcStartAngle(d) {
+ − 8031 return d.startAngle;
+ − 8032 }
+ − 8033 function d3_svg_arcEndAngle(d) {
+ − 8034 return d.endAngle;
+ − 8035 }
+ − 8036 function d3_svg_arcPadAngle(d) {
+ − 8037 return d && d.padAngle;
+ − 8038 }
+ − 8039 function d3_svg_arcSweep(x0, y0, x1, y1) {
+ − 8040 return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1;
+ − 8041 }
+ − 8042 function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) {
+ − 8043 var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(r * r * d2 - D * D), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3;
+ − 8044 if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;
+ − 8045 return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ];
+ − 8046 }
+ − 8047 function d3_svg_line(projection) {
+ − 8048 var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
+ − 8049 function line(data) {
+ − 8050 var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
+ − 8051 function segment() {
+ − 8052 segments.push("M", interpolate(projection(points), tension));
+ − 8053 }
+ − 8054 while (++i < n) {
+ − 8055 if (defined.call(this, d = data[i], i)) {
+ − 8056 points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
+ − 8057 } else if (points.length) {
+ − 8058 segment();
+ − 8059 points = [];
+ − 8060 }
+ − 8061 }
+ − 8062 if (points.length) segment();
+ − 8063 return segments.length ? segments.join("") : null;
+ − 8064 }
+ − 8065 line.x = function(_) {
+ − 8066 if (!arguments.length) return x;
+ − 8067 x = _;
+ − 8068 return line;
+ − 8069 };
+ − 8070 line.y = function(_) {
+ − 8071 if (!arguments.length) return y;
+ − 8072 y = _;
+ − 8073 return line;
+ − 8074 };
+ − 8075 line.defined = function(_) {
+ − 8076 if (!arguments.length) return defined;
+ − 8077 defined = _;
+ − 8078 return line;
+ − 8079 };
+ − 8080 line.interpolate = function(_) {
+ − 8081 if (!arguments.length) return interpolateKey;
+ − 8082 if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+ − 8083 return line;
+ − 8084 };
+ − 8085 line.tension = function(_) {
+ − 8086 if (!arguments.length) return tension;
+ − 8087 tension = _;
+ − 8088 return line;
+ − 8089 };
+ − 8090 return line;
+ − 8091 }
+ − 8092 d3.svg.line = function() {
+ − 8093 return d3_svg_line(d3_identity);
+ − 8094 };
+ − 8095 var d3_svg_lineInterpolators = d3.map({
+ − 8096 linear: d3_svg_lineLinear,
+ − 8097 "linear-closed": d3_svg_lineLinearClosed,
+ − 8098 step: d3_svg_lineStep,
+ − 8099 "step-before": d3_svg_lineStepBefore,
+ − 8100 "step-after": d3_svg_lineStepAfter,
+ − 8101 basis: d3_svg_lineBasis,
+ − 8102 "basis-open": d3_svg_lineBasisOpen,
+ − 8103 "basis-closed": d3_svg_lineBasisClosed,
+ − 8104 bundle: d3_svg_lineBundle,
+ − 8105 cardinal: d3_svg_lineCardinal,
+ − 8106 "cardinal-open": d3_svg_lineCardinalOpen,
+ − 8107 "cardinal-closed": d3_svg_lineCardinalClosed,
+ − 8108 monotone: d3_svg_lineMonotone
+ − 8109 });
+ − 8110 d3_svg_lineInterpolators.forEach(function(key, value) {
+ − 8111 value.key = key;
+ − 8112 value.closed = /-closed$/.test(key);
+ − 8113 });
+ − 8114 function d3_svg_lineLinear(points) {
+ − 8115 return points.join("L");
+ − 8116 }
+ − 8117 function d3_svg_lineLinearClosed(points) {
+ − 8118 return d3_svg_lineLinear(points) + "Z";
+ − 8119 }
+ − 8120 function d3_svg_lineStep(points) {
+ − 8121 var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+ − 8122 while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]);
+ − 8123 if (n > 1) path.push("H", p[0]);
+ − 8124 return path.join("");
+ − 8125 }
+ − 8126 function d3_svg_lineStepBefore(points) {
+ − 8127 var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+ − 8128 while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
+ − 8129 return path.join("");
+ − 8130 }
+ − 8131 function d3_svg_lineStepAfter(points) {
+ − 8132 var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+ − 8133 while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
+ − 8134 return path.join("");
+ − 8135 }
+ − 8136 function d3_svg_lineCardinalOpen(points, tension) {
+ − 8137 return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension));
+ − 8138 }
+ − 8139 function d3_svg_lineCardinalClosed(points, tension) {
+ − 8140 return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]),
+ − 8141 points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
+ − 8142 }
+ − 8143 function d3_svg_lineCardinal(points, tension) {
+ − 8144 return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
+ − 8145 }
+ − 8146 function d3_svg_lineHermite(points, tangents) {
+ − 8147 if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
+ − 8148 return d3_svg_lineLinear(points);
+ − 8149 }
+ − 8150 var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
+ − 8151 if (quad) {
+ − 8152 path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
+ − 8153 p0 = points[1];
+ − 8154 pi = 2;
+ − 8155 }
+ − 8156 if (tangents.length > 1) {
+ − 8157 t = tangents[1];
+ − 8158 p = points[pi];
+ − 8159 pi++;
+ − 8160 path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+ − 8161 for (var i = 2; i < tangents.length; i++, pi++) {
+ − 8162 p = points[pi];
+ − 8163 t = tangents[i];
+ − 8164 path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+ − 8165 }
+ − 8166 }
+ − 8167 if (quad) {
+ − 8168 var lp = points[pi];
+ − 8169 path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
+ − 8170 }
+ − 8171 return path;
+ − 8172 }
+ − 8173 function d3_svg_lineCardinalTangents(points, tension) {
+ − 8174 var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
+ − 8175 while (++i < n) {
+ − 8176 p0 = p1;
+ − 8177 p1 = p2;
+ − 8178 p2 = points[i];
+ − 8179 tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
+ − 8180 }
+ − 8181 return tangents;
+ − 8182 }
+ − 8183 function d3_svg_lineBasis(points) {
+ − 8184 if (points.length < 3) return d3_svg_lineLinear(points);
+ − 8185 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, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
+ − 8186 points.push(points[n - 1]);
+ − 8187 while (++i <= n) {
+ − 8188 pi = points[i];
+ − 8189 px.shift();
+ − 8190 px.push(pi[0]);
+ − 8191 py.shift();
+ − 8192 py.push(pi[1]);
+ − 8193 d3_svg_lineBasisBezier(path, px, py);
+ − 8194 }
+ − 8195 points.pop();
+ − 8196 path.push("L", pi);
+ − 8197 return path.join("");
+ − 8198 }
+ − 8199 function d3_svg_lineBasisOpen(points) {
+ − 8200 if (points.length < 4) return d3_svg_lineLinear(points);
+ − 8201 var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
+ − 8202 while (++i < 3) {
+ − 8203 pi = points[i];
+ − 8204 px.push(pi[0]);
+ − 8205 py.push(pi[1]);
+ − 8206 }
+ − 8207 path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
+ − 8208 --i;
+ − 8209 while (++i < n) {
+ − 8210 pi = points[i];
+ − 8211 px.shift();
+ − 8212 px.push(pi[0]);
+ − 8213 py.shift();
+ − 8214 py.push(pi[1]);
+ − 8215 d3_svg_lineBasisBezier(path, px, py);
+ − 8216 }
+ − 8217 return path.join("");
+ − 8218 }
+ − 8219 function d3_svg_lineBasisClosed(points) {
+ − 8220 var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
+ − 8221 while (++i < 4) {
+ − 8222 pi = points[i % n];
+ − 8223 px.push(pi[0]);
+ − 8224 py.push(pi[1]);
+ − 8225 }
+ − 8226 path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
+ − 8227 --i;
+ − 8228 while (++i < m) {
+ − 8229 pi = points[i % n];
+ − 8230 px.shift();
+ − 8231 px.push(pi[0]);
+ − 8232 py.shift();
+ − 8233 py.push(pi[1]);
+ − 8234 d3_svg_lineBasisBezier(path, px, py);
+ − 8235 }
+ − 8236 return path.join("");
+ − 8237 }
+ − 8238 function d3_svg_lineBundle(points, tension) {
+ − 8239 var n = points.length - 1;
+ − 8240 if (n) {
+ − 8241 var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
+ − 8242 while (++i <= n) {
+ − 8243 p = points[i];
+ − 8244 t = i / n;
+ − 8245 p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
+ − 8246 p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
+ − 8247 }
+ − 8248 }
+ − 8249 return d3_svg_lineBasis(points);
+ − 8250 }
+ − 8251 function d3_svg_lineDot4(a, b) {
+ − 8252 return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
+ − 8253 }
+ − 8254 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 ];
+ − 8255 function d3_svg_lineBasisBezier(path, x, y) {
+ − 8256 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));
+ − 8257 }
+ − 8258 function d3_svg_lineSlope(p0, p1) {
+ − 8259 return (p1[1] - p0[1]) / (p1[0] - p0[0]);
+ − 8260 }
+ − 8261 function d3_svg_lineFiniteDifferences(points) {
+ − 8262 var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
+ − 8263 while (++i < j) {
+ − 8264 m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
+ − 8265 }
+ − 8266 m[i] = d;
+ − 8267 return m;
+ − 8268 }
+ − 8269 function d3_svg_lineMonotoneTangents(points) {
+ − 8270 var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
+ − 8271 while (++i < j) {
+ − 8272 d = d3_svg_lineSlope(points[i], points[i + 1]);
+ − 8273 if (abs(d) < ε) {
+ − 8274 m[i] = m[i + 1] = 0;
+ − 8275 } else {
+ − 8276 a = m[i] / d;
+ − 8277 b = m[i + 1] / d;
+ − 8278 s = a * a + b * b;
+ − 8279 if (s > 9) {
+ − 8280 s = d * 3 / Math.sqrt(s);
+ − 8281 m[i] = s * a;
+ − 8282 m[i + 1] = s * b;
+ − 8283 }
+ − 8284 }
+ − 8285 }
+ − 8286 i = -1;
+ − 8287 while (++i <= j) {
+ − 8288 s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
+ − 8289 tangents.push([ s || 0, m[i] * s || 0 ]);
+ − 8290 }
+ − 8291 return tangents;
+ − 8292 }
+ − 8293 function d3_svg_lineMonotone(points) {
+ − 8294 return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
+ − 8295 }
+ − 8296 d3.svg.line.radial = function() {
+ − 8297 var line = d3_svg_line(d3_svg_lineRadial);
+ − 8298 line.radius = line.x, delete line.x;
+ − 8299 line.angle = line.y, delete line.y;
+ − 8300 return line;
+ − 8301 };
+ − 8302 function d3_svg_lineRadial(points) {
+ − 8303 var point, i = -1, n = points.length, r, a;
+ − 8304 while (++i < n) {
+ − 8305 point = points[i];
+ − 8306 r = point[0];
+ − 8307 a = point[1] - halfπ;
+ − 8308 point[0] = r * Math.cos(a);
+ − 8309 point[1] = r * Math.sin(a);
+ − 8310 }
+ − 8311 return points;
+ − 8312 }
+ − 8313 function d3_svg_area(projection) {
+ − 8314 var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
+ − 8315 function area(data) {
+ − 8316 var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
+ − 8317 return x;
+ − 8318 } : d3_functor(x1), fy1 = y0 === y1 ? function() {
+ − 8319 return y;
+ − 8320 } : d3_functor(y1), x, y;
+ − 8321 function segment() {
+ − 8322 segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
+ − 8323 }
+ − 8324 while (++i < n) {
+ − 8325 if (defined.call(this, d = data[i], i)) {
+ − 8326 points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
+ − 8327 points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
+ − 8328 } else if (points0.length) {
+ − 8329 segment();
+ − 8330 points0 = [];
+ − 8331 points1 = [];
+ − 8332 }
+ − 8333 }
+ − 8334 if (points0.length) segment();
+ − 8335 return segments.length ? segments.join("") : null;
+ − 8336 }
+ − 8337 area.x = function(_) {
+ − 8338 if (!arguments.length) return x1;
+ − 8339 x0 = x1 = _;
+ − 8340 return area;
+ − 8341 };
+ − 8342 area.x0 = function(_) {
+ − 8343 if (!arguments.length) return x0;
+ − 8344 x0 = _;
+ − 8345 return area;
+ − 8346 };
+ − 8347 area.x1 = function(_) {
+ − 8348 if (!arguments.length) return x1;
+ − 8349 x1 = _;
+ − 8350 return area;
+ − 8351 };
+ − 8352 area.y = function(_) {
+ − 8353 if (!arguments.length) return y1;
+ − 8354 y0 = y1 = _;
+ − 8355 return area;
+ − 8356 };
+ − 8357 area.y0 = function(_) {
+ − 8358 if (!arguments.length) return y0;
+ − 8359 y0 = _;
+ − 8360 return area;
+ − 8361 };
+ − 8362 area.y1 = function(_) {
+ − 8363 if (!arguments.length) return y1;
+ − 8364 y1 = _;
+ − 8365 return area;
+ − 8366 };
+ − 8367 area.defined = function(_) {
+ − 8368 if (!arguments.length) return defined;
+ − 8369 defined = _;
+ − 8370 return area;
+ − 8371 };
+ − 8372 area.interpolate = function(_) {
+ − 8373 if (!arguments.length) return interpolateKey;
+ − 8374 if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+ − 8375 interpolateReverse = interpolate.reverse || interpolate;
+ − 8376 L = interpolate.closed ? "M" : "L";
+ − 8377 return area;
+ − 8378 };
+ − 8379 area.tension = function(_) {
+ − 8380 if (!arguments.length) return tension;
+ − 8381 tension = _;
+ − 8382 return area;
+ − 8383 };
+ − 8384 return area;
+ − 8385 }
+ − 8386 d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
+ − 8387 d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
+ − 8388 d3.svg.area = function() {
+ − 8389 return d3_svg_area(d3_identity);
+ − 8390 };
+ − 8391 d3.svg.area.radial = function() {
+ − 8392 var area = d3_svg_area(d3_svg_lineRadial);
+ − 8393 area.radius = area.x, delete area.x;
+ − 8394 area.innerRadius = area.x0, delete area.x0;
+ − 8395 area.outerRadius = area.x1, delete area.x1;
+ − 8396 area.angle = area.y, delete area.y;
+ − 8397 area.startAngle = area.y0, delete area.y0;
+ − 8398 area.endAngle = area.y1, delete area.y1;
+ − 8399 return area;
+ − 8400 };
+ − 8401 d3.svg.chord = function() {
+ − 8402 var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+ − 8403 function chord(d, i) {
+ − 8404 var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
+ − 8405 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";
+ − 8406 }
+ − 8407 function subgroup(self, f, d, i) {
+ − 8408 var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ;
+ − 8409 return {
+ − 8410 r: r,
+ − 8411 a0: a0,
+ − 8412 a1: a1,
+ − 8413 p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
+ − 8414 p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
+ − 8415 };
+ − 8416 }
+ − 8417 function equals(a, b) {
+ − 8418 return a.a0 == b.a0 && a.a1 == b.a1;
+ − 8419 }
+ − 8420 function arc(r, p, a) {
+ − 8421 return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
+ − 8422 }
+ − 8423 function curve(r0, p0, r1, p1) {
+ − 8424 return "Q 0,0 " + p1;
+ − 8425 }
+ − 8426 chord.radius = function(v) {
+ − 8427 if (!arguments.length) return radius;
+ − 8428 radius = d3_functor(v);
+ − 8429 return chord;
+ − 8430 };
+ − 8431 chord.source = function(v) {
+ − 8432 if (!arguments.length) return source;
+ − 8433 source = d3_functor(v);
+ − 8434 return chord;
+ − 8435 };
+ − 8436 chord.target = function(v) {
+ − 8437 if (!arguments.length) return target;
+ − 8438 target = d3_functor(v);
+ − 8439 return chord;
+ − 8440 };
+ − 8441 chord.startAngle = function(v) {
+ − 8442 if (!arguments.length) return startAngle;
+ − 8443 startAngle = d3_functor(v);
+ − 8444 return chord;
+ − 8445 };
+ − 8446 chord.endAngle = function(v) {
+ − 8447 if (!arguments.length) return endAngle;
+ − 8448 endAngle = d3_functor(v);
+ − 8449 return chord;
+ − 8450 };
+ − 8451 return chord;
+ − 8452 };
+ − 8453 function d3_svg_chordRadius(d) {
+ − 8454 return d.radius;
+ − 8455 }
+ − 8456 d3.svg.diagonal = function() {
+ − 8457 var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
+ − 8458 function diagonal(d, i) {
+ − 8459 var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
+ − 8460 x: p0.x,
+ − 8461 y: m
+ − 8462 }, {
+ − 8463 x: p3.x,
+ − 8464 y: m
+ − 8465 }, p3 ];
+ − 8466 p = p.map(projection);
+ − 8467 return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
+ − 8468 }
+ − 8469 diagonal.source = function(x) {
+ − 8470 if (!arguments.length) return source;
+ − 8471 source = d3_functor(x);
+ − 8472 return diagonal;
+ − 8473 };
+ − 8474 diagonal.target = function(x) {
+ − 8475 if (!arguments.length) return target;
+ − 8476 target = d3_functor(x);
+ − 8477 return diagonal;
+ − 8478 };
+ − 8479 diagonal.projection = function(x) {
+ − 8480 if (!arguments.length) return projection;
+ − 8481 projection = x;
+ − 8482 return diagonal;
+ − 8483 };
+ − 8484 return diagonal;
+ − 8485 };
+ − 8486 function d3_svg_diagonalProjection(d) {
+ − 8487 return [ d.x, d.y ];
+ − 8488 }
+ − 8489 d3.svg.diagonal.radial = function() {
+ − 8490 var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
+ − 8491 diagonal.projection = function(x) {
+ − 8492 return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
+ − 8493 };
+ − 8494 return diagonal;
+ − 8495 };
+ − 8496 function d3_svg_diagonalRadialProjection(projection) {
+ − 8497 return function() {
+ − 8498 var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ;
+ − 8499 return [ r * Math.cos(a), r * Math.sin(a) ];
+ − 8500 };
+ − 8501 }
+ − 8502 d3.svg.symbol = function() {
+ − 8503 var type = d3_svg_symbolType, size = d3_svg_symbolSize;
+ − 8504 function symbol(d, i) {
+ − 8505 return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
+ − 8506 }
+ − 8507 symbol.type = function(x) {
+ − 8508 if (!arguments.length) return type;
+ − 8509 type = d3_functor(x);
+ − 8510 return symbol;
+ − 8511 };
+ − 8512 symbol.size = function(x) {
+ − 8513 if (!arguments.length) return size;
+ − 8514 size = d3_functor(x);
+ − 8515 return symbol;
+ − 8516 };
+ − 8517 return symbol;
+ − 8518 };
+ − 8519 function d3_svg_symbolSize() {
+ − 8520 return 64;
+ − 8521 }
+ − 8522 function d3_svg_symbolType() {
+ − 8523 return "circle";
+ − 8524 }
+ − 8525 function d3_svg_symbolCircle(size) {
+ − 8526 var r = Math.sqrt(size / π);
+ − 8527 return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
+ − 8528 }
+ − 8529 var d3_svg_symbols = d3.map({
+ − 8530 circle: d3_svg_symbolCircle,
+ − 8531 cross: function(size) {
+ − 8532 var r = Math.sqrt(size / 5) / 2;
+ − 8533 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";
+ − 8534 },
+ − 8535 diamond: function(size) {
+ − 8536 var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
+ − 8537 return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
+ − 8538 },
+ − 8539 square: function(size) {
+ − 8540 var r = Math.sqrt(size) / 2;
+ − 8541 return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
+ − 8542 },
+ − 8543 "triangle-down": function(size) {
+ − 8544 var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+ − 8545 return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
+ − 8546 },
+ − 8547 "triangle-up": function(size) {
+ − 8548 var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+ − 8549 return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
+ − 8550 }
+ − 8551 });
+ − 8552 d3.svg.symbolTypes = d3_svg_symbols.keys();
+ − 8553 var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
+ − 8554 d3_selectionPrototype.transition = function(name) {
+ − 8555 var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || {
+ − 8556 time: Date.now(),
+ − 8557 ease: d3_ease_cubicInOut,
+ − 8558 delay: 0,
+ − 8559 duration: 250
+ − 8560 };
+ − 8561 for (var j = -1, m = this.length; ++j < m; ) {
+ − 8562 subgroups.push(subgroup = []);
+ − 8563 for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ − 8564 if (node = group[i]) d3_transitionNode(node, i, ns, id, transition);
+ − 8565 subgroup.push(node);
+ − 8566 }
+ − 8567 }
+ − 8568 return d3_transition(subgroups, ns, id);
+ − 8569 };
+ − 8570 d3_selectionPrototype.interrupt = function(name) {
+ − 8571 return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name)));
+ − 8572 };
+ − 8573 var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace());
+ − 8574 function d3_selection_interruptNS(ns) {
+ − 8575 return function() {
+ − 8576 var lock, active;
+ − 8577 if ((lock = this[ns]) && (active = lock[lock.active])) {
+ − 8578 if (--lock.count) delete lock[lock.active]; else delete this[ns];
+ − 8579 lock.active += .5;
+ − 8580 active.event && active.event.interrupt.call(this, this.__data__, active.index);
+ − 8581 }
+ − 8582 };
+ − 8583 }
+ − 8584 function d3_transition(groups, ns, id) {
+ − 8585 d3_subclass(groups, d3_transitionPrototype);
+ − 8586 groups.namespace = ns;
+ − 8587 groups.id = id;
+ − 8588 return groups;
+ − 8589 }
+ − 8590 var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit;
+ − 8591 d3_transitionPrototype.call = d3_selectionPrototype.call;
+ − 8592 d3_transitionPrototype.empty = d3_selectionPrototype.empty;
+ − 8593 d3_transitionPrototype.node = d3_selectionPrototype.node;
+ − 8594 d3_transitionPrototype.size = d3_selectionPrototype.size;
+ − 8595 d3.transition = function(selection, name) {
+ − 8596 return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3_selectionRoot.transition(selection);
+ − 8597 };
+ − 8598 d3.transition.prototype = d3_transitionPrototype;
+ − 8599 d3_transitionPrototype.select = function(selector) {
+ − 8600 var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node;
+ − 8601 selector = d3_selection_selector(selector);
+ − 8602 for (var j = -1, m = this.length; ++j < m; ) {
+ − 8603 subgroups.push(subgroup = []);
+ − 8604 for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ − 8605 if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) {
+ − 8606 if ("__data__" in node) subnode.__data__ = node.__data__;
+ − 8607 d3_transitionNode(subnode, i, ns, id, node[ns][id]);
+ − 8608 subgroup.push(subnode);
+ − 8609 } else {
+ − 8610 subgroup.push(null);
+ − 8611 }
+ − 8612 }
+ − 8613 }
+ − 8614 return d3_transition(subgroups, ns, id);
+ − 8615 };
+ − 8616 d3_transitionPrototype.selectAll = function(selector) {
+ − 8617 var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition;
+ − 8618 selector = d3_selection_selectorAll(selector);
+ − 8619 for (var j = -1, m = this.length; ++j < m; ) {
+ − 8620 for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ − 8621 if (node = group[i]) {
+ − 8622 transition = node[ns][id];
+ − 8623 subnodes = selector.call(node, node.__data__, i, j);
+ − 8624 subgroups.push(subgroup = []);
+ − 8625 for (var k = -1, o = subnodes.length; ++k < o; ) {
+ − 8626 if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition);
+ − 8627 subgroup.push(subnode);
+ − 8628 }
+ − 8629 }
+ − 8630 }
+ − 8631 }
+ − 8632 return d3_transition(subgroups, ns, id);
+ − 8633 };
+ − 8634 d3_transitionPrototype.filter = function(filter) {
+ − 8635 var subgroups = [], subgroup, group, node;
+ − 8636 if (typeof filter !== "function") filter = d3_selection_filter(filter);
+ − 8637 for (var j = 0, m = this.length; j < m; j++) {
+ − 8638 subgroups.push(subgroup = []);
+ − 8639 for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+ − 8640 if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
+ − 8641 subgroup.push(node);
+ − 8642 }
+ − 8643 }
+ − 8644 }
+ − 8645 return d3_transition(subgroups, this.namespace, this.id);
+ − 8646 };
+ − 8647 d3_transitionPrototype.tween = function(name, tween) {
+ − 8648 var id = this.id, ns = this.namespace;
+ − 8649 if (arguments.length < 2) return this.node()[ns][id].tween.get(name);
+ − 8650 return d3_selection_each(this, tween == null ? function(node) {
+ − 8651 node[ns][id].tween.remove(name);
+ − 8652 } : function(node) {
+ − 8653 node[ns][id].tween.set(name, tween);
+ − 8654 });
+ − 8655 };
+ − 8656 function d3_transition_tween(groups, name, value, tween) {
+ − 8657 var id = groups.id, ns = groups.namespace;
+ − 8658 return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
+ − 8659 node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
+ − 8660 } : (value = tween(value), function(node) {
+ − 8661 node[ns][id].tween.set(name, value);
+ − 8662 }));
+ − 8663 }
+ − 8664 d3_transitionPrototype.attr = function(nameNS, value) {
+ − 8665 if (arguments.length < 2) {
+ − 8666 for (value in nameNS) this.attr(value, nameNS[value]);
+ − 8667 return this;
+ − 8668 }
+ − 8669 var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS);
+ − 8670 function attrNull() {
+ − 8671 this.removeAttribute(name);
+ − 8672 }
+ − 8673 function attrNullNS() {
+ − 8674 this.removeAttributeNS(name.space, name.local);
+ − 8675 }
+ − 8676 function attrTween(b) {
+ − 8677 return b == null ? attrNull : (b += "", function() {
+ − 8678 var a = this.getAttribute(name), i;
+ − 8679 return a !== b && (i = interpolate(a, b), function(t) {
+ − 8680 this.setAttribute(name, i(t));
+ − 8681 });
+ − 8682 });
+ − 8683 }
+ − 8684 function attrTweenNS(b) {
+ − 8685 return b == null ? attrNullNS : (b += "", function() {
+ − 8686 var a = this.getAttributeNS(name.space, name.local), i;
+ − 8687 return a !== b && (i = interpolate(a, b), function(t) {
+ − 8688 this.setAttributeNS(name.space, name.local, i(t));
+ − 8689 });
+ − 8690 });
+ − 8691 }
+ − 8692 return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween);
+ − 8693 };
+ − 8694 d3_transitionPrototype.attrTween = function(nameNS, tween) {
+ − 8695 var name = d3.ns.qualify(nameNS);
+ − 8696 function attrTween(d, i) {
+ − 8697 var f = tween.call(this, d, i, this.getAttribute(name));
+ − 8698 return f && function(t) {
+ − 8699 this.setAttribute(name, f(t));
+ − 8700 };
+ − 8701 }
+ − 8702 function attrTweenNS(d, i) {
+ − 8703 var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
+ − 8704 return f && function(t) {
+ − 8705 this.setAttributeNS(name.space, name.local, f(t));
+ − 8706 };
+ − 8707 }
+ − 8708 return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
+ − 8709 };
+ − 8710 d3_transitionPrototype.style = function(name, value, priority) {
+ − 8711 var n = arguments.length;
+ − 8712 if (n < 3) {
+ − 8713 if (typeof name !== "string") {
+ − 8714 if (n < 2) value = "";
+ − 8715 for (priority in name) this.style(priority, name[priority], value);
+ − 8716 return this;
+ − 8717 }
+ − 8718 priority = "";
+ − 8719 }
+ − 8720 function styleNull() {
+ − 8721 this.style.removeProperty(name);
+ − 8722 }
+ − 8723 function styleString(b) {
+ − 8724 return b == null ? styleNull : (b += "", function() {
+ − 8725 var a = d3_window.getComputedStyle(this, null).getPropertyValue(name), i;
+ − 8726 return a !== b && (i = d3_interpolate(a, b), function(t) {
+ − 8727 this.style.setProperty(name, i(t), priority);
+ − 8728 });
+ − 8729 });
+ − 8730 }
+ − 8731 return d3_transition_tween(this, "style." + name, value, styleString);
+ − 8732 };
+ − 8733 d3_transitionPrototype.styleTween = function(name, tween, priority) {
+ − 8734 if (arguments.length < 3) priority = "";
+ − 8735 function styleTween(d, i) {
+ − 8736 var f = tween.call(this, d, i, d3_window.getComputedStyle(this, null).getPropertyValue(name));
+ − 8737 return f && function(t) {
+ − 8738 this.style.setProperty(name, f(t), priority);
+ − 8739 };
+ − 8740 }
+ − 8741 return this.tween("style." + name, styleTween);
+ − 8742 };
+ − 8743 d3_transitionPrototype.text = function(value) {
+ − 8744 return d3_transition_tween(this, "text", value, d3_transition_text);
+ − 8745 };
+ − 8746 function d3_transition_text(b) {
+ − 8747 if (b == null) b = "";
+ − 8748 return function() {
+ − 8749 this.textContent = b;
+ − 8750 };
+ − 8751 }
+ − 8752 d3_transitionPrototype.remove = function() {
+ − 8753 var ns = this.namespace;
+ − 8754 return this.each("end.transition", function() {
+ − 8755 var p;
+ − 8756 if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this);
+ − 8757 });
+ − 8758 };
+ − 8759 d3_transitionPrototype.ease = function(value) {
+ − 8760 var id = this.id, ns = this.namespace;
+ − 8761 if (arguments.length < 1) return this.node()[ns][id].ease;
+ − 8762 if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
+ − 8763 return d3_selection_each(this, function(node) {
+ − 8764 node[ns][id].ease = value;
+ − 8765 });
+ − 8766 };
+ − 8767 d3_transitionPrototype.delay = function(value) {
+ − 8768 var id = this.id, ns = this.namespace;
+ − 8769 if (arguments.length < 1) return this.node()[ns][id].delay;
+ − 8770 return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+ − 8771 node[ns][id].delay = +value.call(node, node.__data__, i, j);
+ − 8772 } : (value = +value, function(node) {
+ − 8773 node[ns][id].delay = value;
+ − 8774 }));
+ − 8775 };
+ − 8776 d3_transitionPrototype.duration = function(value) {
+ − 8777 var id = this.id, ns = this.namespace;
+ − 8778 if (arguments.length < 1) return this.node()[ns][id].duration;
+ − 8779 return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+ − 8780 node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j));
+ − 8781 } : (value = Math.max(1, value), function(node) {
+ − 8782 node[ns][id].duration = value;
+ − 8783 }));
+ − 8784 };
+ − 8785 d3_transitionPrototype.each = function(type, listener) {
+ − 8786 var id = this.id, ns = this.namespace;
+ − 8787 if (arguments.length < 2) {
+ − 8788 var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
+ − 8789 try {
+ − 8790 d3_transitionInheritId = id;
+ − 8791 d3_selection_each(this, function(node, i, j) {
+ − 8792 d3_transitionInherit = node[ns][id];
+ − 8793 type.call(node, node.__data__, i, j);
+ − 8794 });
+ − 8795 } finally {
+ − 8796 d3_transitionInherit = inherit;
+ − 8797 d3_transitionInheritId = inheritId;
+ − 8798 }
+ − 8799 } else {
+ − 8800 d3_selection_each(this, function(node) {
+ − 8801 var transition = node[ns][id];
+ − 8802 (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener);
+ − 8803 });
+ − 8804 }
+ − 8805 return this;
+ − 8806 };
+ − 8807 d3_transitionPrototype.transition = function() {
+ − 8808 var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition;
+ − 8809 for (var j = 0, m = this.length; j < m; j++) {
+ − 8810 subgroups.push(subgroup = []);
+ − 8811 for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+ − 8812 if (node = group[i]) {
+ − 8813 transition = node[ns][id0];
+ − 8814 d3_transitionNode(node, i, ns, id1, {
+ − 8815 time: transition.time,
+ − 8816 ease: transition.ease,
+ − 8817 delay: transition.delay + transition.duration,
+ − 8818 duration: transition.duration
+ − 8819 });
+ − 8820 }
+ − 8821 subgroup.push(node);
+ − 8822 }
+ − 8823 }
+ − 8824 return d3_transition(subgroups, ns, id1);
+ − 8825 };
+ − 8826 function d3_transitionNamespace(name) {
+ − 8827 return name == null ? "__transition__" : "__transition_" + name + "__";
+ − 8828 }
+ − 8829 function d3_transitionNode(node, i, ns, id, inherit) {
+ − 8830 var lock = node[ns] || (node[ns] = {
+ − 8831 active: 0,
+ − 8832 count: 0
+ − 8833 }), transition = lock[id];
+ − 8834 if (!transition) {
+ − 8835 var time = inherit.time;
+ − 8836 transition = lock[id] = {
+ − 8837 tween: new d3_Map(),
+ − 8838 time: time,
+ − 8839 delay: inherit.delay,
+ − 8840 duration: inherit.duration,
+ − 8841 ease: inherit.ease,
+ − 8842 index: i
+ − 8843 };
+ − 8844 inherit = null;
+ − 8845 ++lock.count;
+ − 8846 d3.timer(function(elapsed) {
+ − 8847 var delay = transition.delay, duration, ease, timer = d3_timer_active, tweened = [];
+ − 8848 timer.t = delay + time;
+ − 8849 if (delay <= elapsed) return start(elapsed - delay);
+ − 8850 timer.c = start;
+ − 8851 function start(elapsed) {
+ − 8852 if (lock.active > id) return stop();
+ − 8853 var active = lock[lock.active];
+ − 8854 if (active) {
+ − 8855 --lock.count;
+ − 8856 delete lock[lock.active];
+ − 8857 active.event && active.event.interrupt.call(node, node.__data__, active.index);
+ − 8858 }
+ − 8859 lock.active = id;
+ − 8860 transition.event && transition.event.start.call(node, node.__data__, i);
+ − 8861 transition.tween.forEach(function(key, value) {
+ − 8862 if (value = value.call(node, node.__data__, i)) {
+ − 8863 tweened.push(value);
+ − 8864 }
+ − 8865 });
+ − 8866 ease = transition.ease;
+ − 8867 duration = transition.duration;
+ − 8868 d3.timer(function() {
+ − 8869 timer.c = tick(elapsed || 1) ? d3_true : tick;
+ − 8870 return 1;
+ − 8871 }, 0, time);
+ − 8872 }
+ − 8873 function tick(elapsed) {
+ − 8874 if (lock.active !== id) return 1;
+ − 8875 var t = elapsed / duration, e = ease(t), n = tweened.length;
+ − 8876 while (n > 0) {
+ − 8877 tweened[--n].call(node, e);
+ − 8878 }
+ − 8879 if (t >= 1) {
+ − 8880 transition.event && transition.event.end.call(node, node.__data__, i);
+ − 8881 return stop();
+ − 8882 }
+ − 8883 }
+ − 8884 function stop() {
+ − 8885 if (--lock.count) delete lock[id]; else delete node[ns];
+ − 8886 return 1;
+ − 8887 }
+ − 8888 }, 0, time);
+ − 8889 }
+ − 8890 }
+ − 8891 d3.svg.axis = function() {
+ − 8892 var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_;
+ − 8893 function axis(g) {
+ − 8894 g.each(function() {
+ − 8895 var g = d3.select(this);
+ − 8896 var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy();
+ − 8897 var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform;
+ − 8898 var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"),
+ − 8899 d3.transition(path));
+ − 8900 tickEnter.append("line");
+ − 8901 tickEnter.append("text");
+ − 8902 var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2;
+ − 8903 if (orient === "bottom" || orient === "top") {
+ − 8904 tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2";
+ − 8905 text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle");
+ − 8906 pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize);
+ − 8907 } else {
+ − 8908 tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2";
+ − 8909 text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start");
+ − 8910 pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize);
+ − 8911 }
+ − 8912 lineEnter.attr(y2, sign * innerTickSize);
+ − 8913 textEnter.attr(y1, sign * tickSpacing);
+ − 8914 lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize);
+ − 8915 textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing);
+ − 8916 if (scale1.rangeBand) {
+ − 8917 var x = scale1, dx = x.rangeBand() / 2;
+ − 8918 scale0 = scale1 = function(d) {
+ − 8919 return x(d) + dx;
+ − 8920 };
+ − 8921 } else if (scale0.rangeBand) {
+ − 8922 scale0 = scale1;
+ − 8923 } else {
+ − 8924 tickExit.call(tickTransform, scale1, scale0);
+ − 8925 }
+ − 8926 tickEnter.call(tickTransform, scale0, scale1);
+ − 8927 tickUpdate.call(tickTransform, scale1, scale1);
+ − 8928 });
+ − 8929 }
+ − 8930 axis.scale = function(x) {
+ − 8931 if (!arguments.length) return scale;
+ − 8932 scale = x;
+ − 8933 return axis;
+ − 8934 };
+ − 8935 axis.orient = function(x) {
+ − 8936 if (!arguments.length) return orient;
+ − 8937 orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;
+ − 8938 return axis;
+ − 8939 };
+ − 8940 axis.ticks = function() {
+ − 8941 if (!arguments.length) return tickArguments_;
+ − 8942 tickArguments_ = arguments;
+ − 8943 return axis;
+ − 8944 };
+ − 8945 axis.tickValues = function(x) {
+ − 8946 if (!arguments.length) return tickValues;
+ − 8947 tickValues = x;
+ − 8948 return axis;
+ − 8949 };
+ − 8950 axis.tickFormat = function(x) {
+ − 8951 if (!arguments.length) return tickFormat_;
+ − 8952 tickFormat_ = x;
+ − 8953 return axis;
+ − 8954 };
+ − 8955 axis.tickSize = function(x) {
+ − 8956 var n = arguments.length;
+ − 8957 if (!n) return innerTickSize;
+ − 8958 innerTickSize = +x;
+ − 8959 outerTickSize = +arguments[n - 1];
+ − 8960 return axis;
+ − 8961 };
+ − 8962 axis.innerTickSize = function(x) {
+ − 8963 if (!arguments.length) return innerTickSize;
+ − 8964 innerTickSize = +x;
+ − 8965 return axis;
+ − 8966 };
+ − 8967 axis.outerTickSize = function(x) {
+ − 8968 if (!arguments.length) return outerTickSize;
+ − 8969 outerTickSize = +x;
+ − 8970 return axis;
+ − 8971 };
+ − 8972 axis.tickPadding = function(x) {
+ − 8973 if (!arguments.length) return tickPadding;
+ − 8974 tickPadding = +x;
+ − 8975 return axis;
+ − 8976 };
+ − 8977 axis.tickSubdivide = function() {
+ − 8978 return arguments.length && axis;
+ − 8979 };
+ − 8980 return axis;
+ − 8981 };
+ − 8982 var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {
+ − 8983 top: 1,
+ − 8984 right: 1,
+ − 8985 bottom: 1,
+ − 8986 left: 1
+ − 8987 };
+ − 8988 function d3_svg_axisX(selection, x0, x1) {
+ − 8989 selection.attr("transform", function(d) {
+ − 8990 var v0 = x0(d);
+ − 8991 return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)";
+ − 8992 });
+ − 8993 }
+ − 8994 function d3_svg_axisY(selection, y0, y1) {
+ − 8995 selection.attr("transform", function(d) {
+ − 8996 var v0 = y0(d);
+ − 8997 return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")";
+ − 8998 });
+ − 8999 }
+ − 9000 d3.svg.brush = function() {
+ − 9001 var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0];
+ − 9002 function brush(g) {
+ − 9003 g.each(function() {
+ − 9004 var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
+ − 9005 var background = g.selectAll(".background").data([ 0 ]);
+ − 9006 background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
+ − 9007 g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move");
+ − 9008 var resize = g.selectAll(".resize").data(resizes, d3_identity);
+ − 9009 resize.exit().remove();
+ − 9010 resize.enter().append("g").attr("class", function(d) {
+ − 9011 return "resize " + d;
+ − 9012 }).style("cursor", function(d) {
+ − 9013 return d3_svg_brushCursor[d];
+ − 9014 }).append("rect").attr("x", function(d) {
+ − 9015 return /[ew]$/.test(d) ? -3 : null;
+ − 9016 }).attr("y", function(d) {
+ − 9017 return /^[ns]/.test(d) ? -3 : null;
+ − 9018 }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
+ − 9019 resize.style("display", brush.empty() ? "none" : null);
+ − 9020 var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range;
+ − 9021 if (x) {
+ − 9022 range = d3_scaleRange(x);
+ − 9023 backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]);
+ − 9024 redrawX(gUpdate);
+ − 9025 }
+ − 9026 if (y) {
+ − 9027 range = d3_scaleRange(y);
+ − 9028 backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]);
+ − 9029 redrawY(gUpdate);
+ − 9030 }
+ − 9031 redraw(gUpdate);
+ − 9032 });
+ − 9033 }
+ − 9034 brush.event = function(g) {
+ − 9035 g.each(function() {
+ − 9036 var event_ = event.of(this, arguments), extent1 = {
+ − 9037 x: xExtent,
+ − 9038 y: yExtent,
+ − 9039 i: xExtentDomain,
+ − 9040 j: yExtentDomain
+ − 9041 }, extent0 = this.__chart__ || extent1;
+ − 9042 this.__chart__ = extent1;
+ − 9043 if (d3_transitionInheritId) {
+ − 9044 d3.select(this).transition().each("start.brush", function() {
+ − 9045 xExtentDomain = extent0.i;
+ − 9046 yExtentDomain = extent0.j;
+ − 9047 xExtent = extent0.x;
+ − 9048 yExtent = extent0.y;
+ − 9049 event_({
+ − 9050 type: "brushstart"
+ − 9051 });
+ − 9052 }).tween("brush:brush", function() {
+ − 9053 var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y);
+ − 9054 xExtentDomain = yExtentDomain = null;
+ − 9055 return function(t) {
+ − 9056 xExtent = extent1.x = xi(t);
+ − 9057 yExtent = extent1.y = yi(t);
+ − 9058 event_({
+ − 9059 type: "brush",
+ − 9060 mode: "resize"
+ − 9061 });
+ − 9062 };
+ − 9063 }).each("end.brush", function() {
+ − 9064 xExtentDomain = extent1.i;
+ − 9065 yExtentDomain = extent1.j;
+ − 9066 event_({
+ − 9067 type: "brush",
+ − 9068 mode: "resize"
+ − 9069 });
+ − 9070 event_({
+ − 9071 type: "brushend"
+ − 9072 });
+ − 9073 });
+ − 9074 } else {
+ − 9075 event_({
+ − 9076 type: "brushstart"
+ − 9077 });
+ − 9078 event_({
+ − 9079 type: "brush",
+ − 9080 mode: "resize"
+ − 9081 });
+ − 9082 event_({
+ − 9083 type: "brushend"
+ − 9084 });
+ − 9085 }
+ − 9086 });
+ − 9087 };
+ − 9088 function redraw(g) {
+ − 9089 g.selectAll(".resize").attr("transform", function(d) {
+ − 9090 return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")";
+ − 9091 });
+ − 9092 }
+ − 9093 function redrawX(g) {
+ − 9094 g.select(".extent").attr("x", xExtent[0]);
+ − 9095 g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]);
+ − 9096 }
+ − 9097 function redrawY(g) {
+ − 9098 g.select(".extent").attr("y", yExtent[0]);
+ − 9099 g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]);
+ − 9100 }
+ − 9101 function brushstart() {
+ − 9102 var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(), center, origin = d3.mouse(target), offset;
+ − 9103 var w = d3.select(d3_window).on("keydown.brush", keydown).on("keyup.brush", keyup);
+ − 9104 if (d3.event.changedTouches) {
+ − 9105 w.on("touchmove.brush", brushmove).on("touchend.brush", brushend);
+ − 9106 } else {
+ − 9107 w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend);
+ − 9108 }
+ − 9109 g.interrupt().selectAll("*").interrupt();
+ − 9110 if (dragging) {
+ − 9111 origin[0] = xExtent[0] - origin[0];
+ − 9112 origin[1] = yExtent[0] - origin[1];
+ − 9113 } else if (resizing) {
+ − 9114 var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
+ − 9115 offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ];
+ − 9116 origin[0] = xExtent[ex];
+ − 9117 origin[1] = yExtent[ey];
+ − 9118 } else if (d3.event.altKey) center = origin.slice();
+ − 9119 g.style("pointer-events", "none").selectAll(".resize").style("display", null);
+ − 9120 d3.select("body").style("cursor", eventTarget.style("cursor"));
+ − 9121 event_({
+ − 9122 type: "brushstart"
+ − 9123 });
+ − 9124 brushmove();
+ − 9125 function keydown() {
+ − 9126 if (d3.event.keyCode == 32) {
+ − 9127 if (!dragging) {
+ − 9128 center = null;
+ − 9129 origin[0] -= xExtent[1];
+ − 9130 origin[1] -= yExtent[1];
+ − 9131 dragging = 2;
+ − 9132 }
+ − 9133 d3_eventPreventDefault();
+ − 9134 }
+ − 9135 }
+ − 9136 function keyup() {
+ − 9137 if (d3.event.keyCode == 32 && dragging == 2) {
+ − 9138 origin[0] += xExtent[1];
+ − 9139 origin[1] += yExtent[1];
+ − 9140 dragging = 0;
+ − 9141 d3_eventPreventDefault();
+ − 9142 }
+ − 9143 }
+ − 9144 function brushmove() {
+ − 9145 var point = d3.mouse(target), moved = false;
+ − 9146 if (offset) {
+ − 9147 point[0] += offset[0];
+ − 9148 point[1] += offset[1];
+ − 9149 }
+ − 9150 if (!dragging) {
+ − 9151 if (d3.event.altKey) {
+ − 9152 if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ];
+ − 9153 origin[0] = xExtent[+(point[0] < center[0])];
+ − 9154 origin[1] = yExtent[+(point[1] < center[1])];
+ − 9155 } else center = null;
+ − 9156 }
+ − 9157 if (resizingX && move1(point, x, 0)) {
+ − 9158 redrawX(g);
+ − 9159 moved = true;
+ − 9160 }
+ − 9161 if (resizingY && move1(point, y, 1)) {
+ − 9162 redrawY(g);
+ − 9163 moved = true;
+ − 9164 }
+ − 9165 if (moved) {
+ − 9166 redraw(g);
+ − 9167 event_({
+ − 9168 type: "brush",
+ − 9169 mode: dragging ? "move" : "resize"
+ − 9170 });
+ − 9171 }
+ − 9172 }
+ − 9173 function move1(point, scale, i) {
+ − 9174 var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max;
+ − 9175 if (dragging) {
+ − 9176 r0 -= position;
+ − 9177 r1 -= size + position;
+ − 9178 }
+ − 9179 min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i];
+ − 9180 if (dragging) {
+ − 9181 max = (min += position) + size;
+ − 9182 } else {
+ − 9183 if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
+ − 9184 if (position < min) {
+ − 9185 max = min;
+ − 9186 min = position;
+ − 9187 } else {
+ − 9188 max = position;
+ − 9189 }
+ − 9190 }
+ − 9191 if (extent[0] != min || extent[1] != max) {
+ − 9192 if (i) yExtentDomain = null; else xExtentDomain = null;
+ − 9193 extent[0] = min;
+ − 9194 extent[1] = max;
+ − 9195 return true;
+ − 9196 }
+ − 9197 }
+ − 9198 function brushend() {
+ − 9199 brushmove();
+ − 9200 g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
+ − 9201 d3.select("body").style("cursor", null);
+ − 9202 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);
+ − 9203 dragRestore();
+ − 9204 event_({
+ − 9205 type: "brushend"
+ − 9206 });
+ − 9207 }
+ − 9208 }
+ − 9209 brush.x = function(z) {
+ − 9210 if (!arguments.length) return x;
+ − 9211 x = z;
+ − 9212 resizes = d3_svg_brushResizes[!x << 1 | !y];
+ − 9213 return brush;
+ − 9214 };
+ − 9215 brush.y = function(z) {
+ − 9216 if (!arguments.length) return y;
+ − 9217 y = z;
+ − 9218 resizes = d3_svg_brushResizes[!x << 1 | !y];
+ − 9219 return brush;
+ − 9220 };
+ − 9221 brush.clamp = function(z) {
+ − 9222 if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null;
+ − 9223 if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z;
+ − 9224 return brush;
+ − 9225 };
+ − 9226 brush.extent = function(z) {
+ − 9227 var x0, x1, y0, y1, t;
+ − 9228 if (!arguments.length) {
+ − 9229 if (x) {
+ − 9230 if (xExtentDomain) {
+ − 9231 x0 = xExtentDomain[0], x1 = xExtentDomain[1];
+ − 9232 } else {
+ − 9233 x0 = xExtent[0], x1 = xExtent[1];
+ − 9234 if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
+ − 9235 if (x1 < x0) t = x0, x0 = x1, x1 = t;
+ − 9236 }
+ − 9237 }
+ − 9238 if (y) {
+ − 9239 if (yExtentDomain) {
+ − 9240 y0 = yExtentDomain[0], y1 = yExtentDomain[1];
+ − 9241 } else {
+ − 9242 y0 = yExtent[0], y1 = yExtent[1];
+ − 9243 if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
+ − 9244 if (y1 < y0) t = y0, y0 = y1, y1 = t;
+ − 9245 }
+ − 9246 }
+ − 9247 return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
+ − 9248 }
+ − 9249 if (x) {
+ − 9250 x0 = z[0], x1 = z[1];
+ − 9251 if (y) x0 = x0[0], x1 = x1[0];
+ − 9252 xExtentDomain = [ x0, x1 ];
+ − 9253 if (x.invert) x0 = x(x0), x1 = x(x1);
+ − 9254 if (x1 < x0) t = x0, x0 = x1, x1 = t;
+ − 9255 if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ];
+ − 9256 }
+ − 9257 if (y) {
+ − 9258 y0 = z[0], y1 = z[1];
+ − 9259 if (x) y0 = y0[1], y1 = y1[1];
+ − 9260 yExtentDomain = [ y0, y1 ];
+ − 9261 if (y.invert) y0 = y(y0), y1 = y(y1);
+ − 9262 if (y1 < y0) t = y0, y0 = y1, y1 = t;
+ − 9263 if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ];
+ − 9264 }
+ − 9265 return brush;
+ − 9266 };
+ − 9267 brush.clear = function() {
+ − 9268 if (!brush.empty()) {
+ − 9269 xExtent = [ 0, 0 ], yExtent = [ 0, 0 ];
+ − 9270 xExtentDomain = yExtentDomain = null;
+ − 9271 }
+ − 9272 return brush;
+ − 9273 };
+ − 9274 brush.empty = function() {
+ − 9275 return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1];
+ − 9276 };
+ − 9277 return d3.rebind(brush, event, "on");
+ − 9278 };
+ − 9279 var d3_svg_brushCursor = {
+ − 9280 n: "ns-resize",
+ − 9281 e: "ew-resize",
+ − 9282 s: "ns-resize",
+ − 9283 w: "ew-resize",
+ − 9284 nw: "nwse-resize",
+ − 9285 ne: "nesw-resize",
+ − 9286 se: "nwse-resize",
+ − 9287 sw: "nesw-resize"
+ − 9288 };
+ − 9289 var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
+ − 9290 var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat;
+ − 9291 var d3_time_formatUtc = d3_time_format.utc;
+ − 9292 var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ");
+ − 9293 d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;
+ − 9294 function d3_time_formatIsoNative(date) {
+ − 9295 return date.toISOString();
+ − 9296 }
+ − 9297 d3_time_formatIsoNative.parse = function(string) {
+ − 9298 var date = new Date(string);
+ − 9299 return isNaN(date) ? null : date;
+ − 9300 };
+ − 9301 d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
+ − 9302 d3_time.second = d3_time_interval(function(date) {
+ − 9303 return new d3_date(Math.floor(date / 1e3) * 1e3);
+ − 9304 }, function(date, offset) {
+ − 9305 date.setTime(date.getTime() + Math.floor(offset) * 1e3);
+ − 9306 }, function(date) {
+ − 9307 return date.getSeconds();
+ − 9308 });
+ − 9309 d3_time.seconds = d3_time.second.range;
+ − 9310 d3_time.seconds.utc = d3_time.second.utc.range;
+ − 9311 d3_time.minute = d3_time_interval(function(date) {
+ − 9312 return new d3_date(Math.floor(date / 6e4) * 6e4);
+ − 9313 }, function(date, offset) {
+ − 9314 date.setTime(date.getTime() + Math.floor(offset) * 6e4);
+ − 9315 }, function(date) {
+ − 9316 return date.getMinutes();
+ − 9317 });
+ − 9318 d3_time.minutes = d3_time.minute.range;
+ − 9319 d3_time.minutes.utc = d3_time.minute.utc.range;
+ − 9320 d3_time.hour = d3_time_interval(function(date) {
+ − 9321 var timezone = date.getTimezoneOffset() / 60;
+ − 9322 return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
+ − 9323 }, function(date, offset) {
+ − 9324 date.setTime(date.getTime() + Math.floor(offset) * 36e5);
+ − 9325 }, function(date) {
+ − 9326 return date.getHours();
+ − 9327 });
+ − 9328 d3_time.hours = d3_time.hour.range;
+ − 9329 d3_time.hours.utc = d3_time.hour.utc.range;
+ − 9330 d3_time.month = d3_time_interval(function(date) {
+ − 9331 date = d3_time.day(date);
+ − 9332 date.setDate(1);
+ − 9333 return date;
+ − 9334 }, function(date, offset) {
+ − 9335 date.setMonth(date.getMonth() + offset);
+ − 9336 }, function(date) {
+ − 9337 return date.getMonth();
+ − 9338 });
+ − 9339 d3_time.months = d3_time.month.range;
+ − 9340 d3_time.months.utc = d3_time.month.utc.range;
+ − 9341 function d3_time_scale(linear, methods, format) {
+ − 9342 function scale(x) {
+ − 9343 return linear(x);
+ − 9344 }
+ − 9345 scale.invert = function(x) {
+ − 9346 return d3_time_scaleDate(linear.invert(x));
+ − 9347 };
+ − 9348 scale.domain = function(x) {
+ − 9349 if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
+ − 9350 linear.domain(x);
+ − 9351 return scale;
+ − 9352 };
+ − 9353 function tickMethod(extent, count) {
+ − 9354 var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target);
+ − 9355 return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) {
+ − 9356 return d / 31536e6;
+ − 9357 }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i];
+ − 9358 }
+ − 9359 scale.nice = function(interval, skip) {
+ − 9360 var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval);
+ − 9361 if (method) interval = method[0], skip = method[1];
+ − 9362 function skipped(date) {
+ − 9363 return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length;
+ − 9364 }
+ − 9365 return scale.domain(d3_scale_nice(domain, skip > 1 ? {
+ − 9366 floor: function(date) {
+ − 9367 while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1);
+ − 9368 return date;
+ − 9369 },
+ − 9370 ceil: function(date) {
+ − 9371 while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1);
+ − 9372 return date;
+ − 9373 }
+ − 9374 } : interval));
+ − 9375 };
+ − 9376 scale.ticks = function(interval, skip) {
+ − 9377 var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ {
+ − 9378 range: interval
+ − 9379 }, skip ];
+ − 9380 if (method) interval = method[0], skip = method[1];
+ − 9381 return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip);
+ − 9382 };
+ − 9383 scale.tickFormat = function() {
+ − 9384 return format;
+ − 9385 };
+ − 9386 scale.copy = function() {
+ − 9387 return d3_time_scale(linear.copy(), methods, format);
+ − 9388 };
+ − 9389 return d3_scale_linearRebind(scale, linear);
+ − 9390 }
+ − 9391 function d3_time_scaleDate(t) {
+ − 9392 return new Date(t);
+ − 9393 }
+ − 9394 var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
+ − 9395 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 ] ];
+ − 9396 var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) {
+ − 9397 return d.getMilliseconds();
+ − 9398 } ], [ ":%S", function(d) {
+ − 9399 return d.getSeconds();
+ − 9400 } ], [ "%I:%M", function(d) {
+ − 9401 return d.getMinutes();
+ − 9402 } ], [ "%I %p", function(d) {
+ − 9403 return d.getHours();
+ − 9404 } ], [ "%a %d", function(d) {
+ − 9405 return d.getDay() && d.getDate() != 1;
+ − 9406 } ], [ "%b %d", function(d) {
+ − 9407 return d.getDate() != 1;
+ − 9408 } ], [ "%B", function(d) {
+ − 9409 return d.getMonth();
+ − 9410 } ], [ "%Y", d3_true ] ]);
+ − 9411 var d3_time_scaleMilliseconds = {
+ − 9412 range: function(start, stop, step) {
+ − 9413 return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate);
+ − 9414 },
+ − 9415 floor: d3_identity,
+ − 9416 ceil: d3_identity
+ − 9417 };
+ − 9418 d3_time_scaleLocalMethods.year = d3_time.year;
+ − 9419 d3_time.scale = function() {
+ − 9420 return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
+ − 9421 };
+ − 9422 var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) {
+ − 9423 return [ m[0].utc, m[1] ];
+ − 9424 });
+ − 9425 var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) {
+ − 9426 return d.getUTCMilliseconds();
+ − 9427 } ], [ ":%S", function(d) {
+ − 9428 return d.getUTCSeconds();
+ − 9429 } ], [ "%I:%M", function(d) {
+ − 9430 return d.getUTCMinutes();
+ − 9431 } ], [ "%I %p", function(d) {
+ − 9432 return d.getUTCHours();
+ − 9433 } ], [ "%a %d", function(d) {
+ − 9434 return d.getUTCDay() && d.getUTCDate() != 1;
+ − 9435 } ], [ "%b %d", function(d) {
+ − 9436 return d.getUTCDate() != 1;
+ − 9437 } ], [ "%B", function(d) {
+ − 9438 return d.getUTCMonth();
+ − 9439 } ], [ "%Y", d3_true ] ]);
+ − 9440 d3_time_scaleUtcMethods.year = d3_time.year.utc;
+ − 9441 d3_time.scale.utc = function() {
+ − 9442 return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat);
+ − 9443 };
+ − 9444 d3.text = d3_xhrType(function(request) {
+ − 9445 return request.responseText;
+ − 9446 });
+ − 9447 d3.json = function(url, callback) {
+ − 9448 return d3_xhr(url, "application/json", d3_json, callback);
+ − 9449 };
+ − 9450 function d3_json(request) {
+ − 9451 return JSON.parse(request.responseText);
+ − 9452 }
+ − 9453 d3.html = function(url, callback) {
+ − 9454 return d3_xhr(url, "text/html", d3_html, callback);
+ − 9455 };
+ − 9456 function d3_html(request) {
+ − 9457 var range = d3_document.createRange();
+ − 9458 range.selectNode(d3_document.body);
+ − 9459 return range.createContextualFragment(request.responseText);
+ − 9460 }
+ − 9461 d3.xml = d3_xhrType(function(request) {
+ − 9462 return request.responseXML;
+ − 9463 });
+ − 9464 if (typeof define === "function" && define.amd) define(d3); else if (typeof module === "object" && module.exports) module.exports = d3;
+ − 9465 this.d3 = d3;
+ − 9466 }();