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author	paulo
date	Mon, 03 Aug 2020 02:01:05 -0600
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1 !function() {

2 var d3 = {

3 version: "3.5.17"

4 };

5 var d3_arraySlice = [].slice, d3_array = function(list) {

6 return d3_arraySlice.call(list);

7 };

8 var d3_document = this.document;

9 function d3_documentElement(node) {

10 return node && (node.ownerDocument || node.document || node).documentElement;

12 function d3_window(node) {

13 return node && (node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView);

15 if (d3_document) {

16 try {

17 d3_array(d3_document.documentElement.childNodes)[0].nodeType;

18 } catch (e) {

19 d3_array = function(list) {

20 var i = list.length, array = new Array(i);

21 while (i--) array[i] = list[i];

22 return array;

23 };

24 }

26 if (!Date.now) Date.now = function() {

27 return +new Date();

28 };

29 if (d3_document) {

30 try {

31 d3_document.createElement("DIV").style.setProperty("opacity", 0, "");

32 } catch (error) {

33 var d3_element_prototype = this.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = this.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;

34 d3_element_prototype.setAttribute = function(name, value) {

35 d3_element_setAttribute.call(this, name, value + "");

36 };

37 d3_element_prototype.setAttributeNS = function(space, local, value) {

38 d3_element_setAttributeNS.call(this, space, local, value + "");

39 };

40 d3_style_prototype.setProperty = function(name, value, priority) {

41 d3_style_setProperty.call(this, name, value + "", priority);

42 };

43 }

45 d3.ascending = d3_ascending;

46 function d3_ascending(a, b) {

47 return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;

49 d3.descending = function(a, b) {

50 return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;

51 };

52 d3.min = function(array, f) {

53 var i = -1, n = array.length, a, b;

54 if (arguments.length === 1) {

55 while (++i < n) if ((b = array[i]) != null && b >= b) {

56 a = b;

57 break;

58 }

59 while (++i < n) if ((b = array[i]) != null && a > b) a = b;

60 } else {

61 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {

62 a = b;

63 break;

64 }

65 while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;

66 }

67 return a;

68 };

69 d3.max = function(array, f) {

70 var i = -1, n = array.length, a, b;

71 if (arguments.length === 1) {

72 while (++i < n) if ((b = array[i]) != null && b >= b) {

73 a = b;

74 break;

75 }

76 while (++i < n) if ((b = array[i]) != null && b > a) a = b;

77 } else {

78 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {

79 a = b;

80 break;

81 }

82 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;

83 }

84 return a;

85 };

86 d3.extent = function(array, f) {

87 var i = -1, n = array.length, a, b, c;

88 if (arguments.length === 1) {

89 while (++i < n) if ((b = array[i]) != null && b >= b) {

90 a = c = b;

91 break;

92 }

93 while (++i < n) if ((b = array[i]) != null) {

94 if (a > b) a = b;

95 if (c < b) c = b;

96 }

97 } else {

98 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {

99 a = c = b;

100 break;

101 }

102 while (++i < n) if ((b = f.call(array, array[i], i)) != null) {

103 if (a > b) a = b;

104 if (c < b) c = b;

105 }

106 }

107 return [ a, c ];

108 };

109 function d3_number(x) {

110 return x === null ? NaN : +x;

112 function d3_numeric(x) {

113 return !isNaN(x);

115 d3.sum = function(array, f) {

116 var s = 0, n = array.length, a, i = -1;

117 if (arguments.length === 1) {

118 while (++i < n) if (d3_numeric(a = +array[i])) s += a;

119 } else {

120 while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a;

121 }

122 return s;

123 };

124 d3.mean = function(array, f) {

125 var s = 0, n = array.length, a, i = -1, j = n;

126 if (arguments.length === 1) {

127 while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j;

128 } else {

129 while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j;

130 }

131 if (j) return s / j;

132 };

133 d3.quantile = function(values, p) {

134 var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;

135 return e ? v + e * (values[h] - v) : v;

136 };

137 d3.median = function(array, f) {

138 var numbers = [], n = array.length, a, i = -1;

139 if (arguments.length === 1) {

140 while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a);

141 } else {

142 while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a);

143 }

144 if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5);

145 };

146 d3.variance = function(array, f) {

147 var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0;

148 if (arguments.length === 1) {

149 while (++i < n) {

150 if (d3_numeric(a = d3_number(array[i]))) {

151 d = a - m;

152 m += d / ++j;

153 s += d * (a - m);

154 }

155 }

156 } else {

157 while (++i < n) {

158 if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) {

159 d = a - m;

160 m += d / ++j;

161 s += d * (a - m);

162 }

163 }

164 }

165 if (j > 1) return s / (j - 1);

166 };

167 d3.deviation = function() {

168 var v = d3.variance.apply(this, arguments);

169 return v ? Math.sqrt(v) : v;

170 };

171 function d3_bisector(compare) {

172 return {

173 left: function(a, x, lo, hi) {

174 if (arguments.length < 3) lo = 0;

175 if (arguments.length < 4) hi = a.length;

176 while (lo < hi) {

177 var mid = lo + hi >>> 1;

178 if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid;

179 }

180 return lo;

181 },

182 right: function(a, x, lo, hi) {

183 if (arguments.length < 3) lo = 0;

184 if (arguments.length < 4) hi = a.length;

185 while (lo < hi) {

186 var mid = lo + hi >>> 1;

187 if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1;

188 }

189 return lo;

190 }

191 };

193 var d3_bisect = d3_bisector(d3_ascending);

194 d3.bisectLeft = d3_bisect.left;

195 d3.bisect = d3.bisectRight = d3_bisect.right;

196 d3.bisector = function(f) {

197 return d3_bisector(f.length === 1 ? function(d, x) {

198 return d3_ascending(f(d), x);

199 } : f);

200 };

201 d3.shuffle = function(array, i0, i1) {

202 if ((m = arguments.length) < 3) {

203 i1 = array.length;

204 if (m < 2) i0 = 0;

205 }

206 var m = i1 - i0, t, i;

207 while (m) {

208 i = Math.random() * m-- | 0;

209 t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t;

210 }

211 return array;

212 };

213 d3.permute = function(array, indexes) {

214 var i = indexes.length, permutes = new Array(i);

215 while (i--) permutes[i] = array[indexes[i]];

216 return permutes;

217 };

218 d3.pairs = function(array) {

219 var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n);

220 while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ];

221 return pairs;

222 };

223 d3.transpose = function(matrix) {

224 if (!(n = matrix.length)) return [];

225 for (var i = -1, m = d3.min(matrix, d3_transposeLength), transpose = new Array(m); ++i < m; ) {

226 for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n; ) {

227 row[j] = matrix[j][i];

228 }

229 }

230 return transpose;

231 };

232 function d3_transposeLength(d) {

233 return d.length;

235 d3.zip = function() {

236 return d3.transpose(arguments);

237 };

238 d3.keys = function(map) {

239 var keys = [];

240 for (var key in map) keys.push(key);

241 return keys;

242 };

243 d3.values = function(map) {

244 var values = [];

245 for (var key in map) values.push(map[key]);

246 return values;

247 };

248 d3.entries = function(map) {

249 var entries = [];

250 for (var key in map) entries.push({

251 key: key,

252 value: map[key]

253 });

254 return entries;

255 };

256 d3.merge = function(arrays) {

257 var n = arrays.length, m, i = -1, j = 0, merged, array;

258 while (++i < n) j += arrays[i].length;

259 merged = new Array(j);

260 while (--n >= 0) {

261 array = arrays[n];

262 m = array.length;

263 while (--m >= 0) {

264 merged[--j] = array[m];

265 }

266 }

267 return merged;

268 };

269 var abs = Math.abs;

270 d3.range = function(start, stop, step) {

271 if (arguments.length < 3) {

272 step = 1;

273 if (arguments.length < 2) {

274 stop = start;

275 start = 0;

276 }

277 }

278 if ((stop - start) / step === Infinity) throw new Error("infinite range");

279 var range = [], k = d3_range_integerScale(abs(step)), i = -1, j;

280 start *= k, stop *= k, step *= k;

281 if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);

282 return range;

283 };

284 function d3_range_integerScale(x) {

285 var k = 1;

286 while (x * k % 1) k *= 10;

287 return k;

289 function d3_class(ctor, properties) {

290 for (var key in properties) {

291 Object.defineProperty(ctor.prototype, key, {

292 value: properties[key],

293 enumerable: false

294 });

295 }

297 d3.map = function(object, f) {

298 var map = new d3_Map();

299 if (object instanceof d3_Map) {

300 object.forEach(function(key, value) {

301 map.set(key, value);

302 });

303 } else if (Array.isArray(object)) {

304 var i = -1, n = object.length, o;

305 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);

306 } else {

307 for (var key in object) map.set(key, object[key]);

308 }

309 return map;

310 };

311 function d3_Map() {

312 this._ = Object.create(null);

314 var d3_map_proto = "__proto__", d3_map_zero = "\x00";

315 d3_class(d3_Map, {

316 has: d3_map_has,

317 get: function(key) {

318 return this._[d3_map_escape(key)];

319 },

320 set: function(key, value) {

321 return this._[d3_map_escape(key)] = value;

322 },

323 remove: d3_map_remove,

324 keys: d3_map_keys,

325 values: function() {

326 var values = [];

327 for (var key in this._) values.push(this._[key]);

328 return values;

329 },

330 entries: function() {

331 var entries = [];

332 for (var key in this._) entries.push({

333 key: d3_map_unescape(key),

334 value: this._[key]

335 });

336 return entries;

337 },

338 size: d3_map_size,

339 empty: d3_map_empty,

340 forEach: function(f) {

341 for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]);

342 }

343 });

344 function d3_map_escape(key) {

345 return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key;

347 function d3_map_unescape(key) {

348 return (key += "")[0] === d3_map_zero ? key.slice(1) : key;

350 function d3_map_has(key) {

351 return d3_map_escape(key) in this._;

353 function d3_map_remove(key) {

354 return (key = d3_map_escape(key)) in this._ && delete this._[key];

356 function d3_map_keys() {

357 var keys = [];

358 for (var key in this._) keys.push(d3_map_unescape(key));

359 return keys;

361 function d3_map_size() {

362 var size = 0;

363 for (var key in this._) ++size;

364 return size;

366 function d3_map_empty() {

367 for (var key in this._) return false;

368 return true;

370 d3.nest = function() {

371 var nest = {}, keys = [], sortKeys = [], sortValues, rollup;

372 function map(mapType, array, depth) {

373 if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;

374 var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;

375 while (++i < n) {

376 if (values = valuesByKey.get(keyValue = key(object = array[i]))) {

377 values.push(object);

378 } else {

379 valuesByKey.set(keyValue, [ object ]);

380 }

381 }

382 if (mapType) {

383 object = mapType();

384 setter = function(keyValue, values) {

385 object.set(keyValue, map(mapType, values, depth));

386 };

387 } else {

388 object = {};

389 setter = function(keyValue, values) {

390 object[keyValue] = map(mapType, values, depth);

391 };

392 }

393 valuesByKey.forEach(setter);

394 return object;

395 }

396 function entries(map, depth) {

397 if (depth >= keys.length) return map;

398 var array = [], sortKey = sortKeys[depth++];

399 map.forEach(function(key, keyMap) {

400 array.push({

401 key: key,

402 values: entries(keyMap, depth)

403 });

404 });

405 return sortKey ? array.sort(function(a, b) {

406 return sortKey(a.key, b.key);

407 }) : array;

408 }

409 nest.map = function(array, mapType) {

410 return map(mapType, array, 0);

411 };

412 nest.entries = function(array) {

413 return entries(map(d3.map, array, 0), 0);

414 };

415 nest.key = function(d) {

416 keys.push(d);

417 return nest;

418 };

419 nest.sortKeys = function(order) {

420 sortKeys[keys.length - 1] = order;

421 return nest;

422 };

423 nest.sortValues = function(order) {

424 sortValues = order;

425 return nest;

426 };

427 nest.rollup = function(f) {

428 rollup = f;

429 return nest;

430 };

431 return nest;

432 };

433 d3.set = function(array) {

434 var set = new d3_Set();

435 if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]);

436 return set;

437 };

438 function d3_Set() {

439 this._ = Object.create(null);

441 d3_class(d3_Set, {

442 has: d3_map_has,

443 add: function(key) {

444 this._[d3_map_escape(key += "")] = true;

445 return key;

446 },

447 remove: d3_map_remove,

448 values: d3_map_keys,

449 size: d3_map_size,

450 empty: d3_map_empty,

451 forEach: function(f) {

452 for (var key in this._) f.call(this, d3_map_unescape(key));

453 }

454 });

455 d3.behavior = {};

456 function d3_identity(d) {

457 return d;

459 d3.rebind = function(target, source) {

460 var i = 1, n = arguments.length, method;

461 while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);

462 return target;

463 };

464 function d3_rebind(target, source, method) {

465 return function() {

466 var value = method.apply(source, arguments);

467 return value === source ? target : value;

468 };

470 function d3_vendorSymbol(object, name) {

471 if (name in object) return name;

472 name = name.charAt(0).toUpperCase() + name.slice(1);

473 for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) {

474 var prefixName = d3_vendorPrefixes[i] + name;

475 if (prefixName in object) return prefixName;

476 }

478 var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ];

479 function d3_noop() {}

480 d3.dispatch = function() {

481 var dispatch = new d3_dispatch(), i = -1, n = arguments.length;

482 while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);

483 return dispatch;

484 };

485 function d3_dispatch() {}

486 d3_dispatch.prototype.on = function(type, listener) {

487 var i = type.indexOf("."), name = "";

488 if (i >= 0) {

489 name = type.slice(i + 1);

490 type = type.slice(0, i);

491 }

492 if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);

493 if (arguments.length === 2) {

494 if (listener == null) for (type in this) {

495 if (this.hasOwnProperty(type)) this[type].on(name, null);

496 }

497 return this;

498 }

499 };

500 function d3_dispatch_event(dispatch) {

501 var listeners = [], listenerByName = new d3_Map();

502 function event() {

503 var z = listeners, i = -1, n = z.length, l;

504 while (++i < n) if (l = z[i].on) l.apply(this, arguments);

505 return dispatch;

506 }

507 event.on = function(name, listener) {

508 var l = listenerByName.get(name), i;

509 if (arguments.length < 2) return l && l.on;

510 if (l) {

511 l.on = null;

512 listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));

513 listenerByName.remove(name);

514 }

515 if (listener) listeners.push(listenerByName.set(name, {

516 on: listener

517 }));

518 return dispatch;

519 };

520 return event;

522 d3.event = null;

523 function d3_eventPreventDefault() {

524 d3.event.preventDefault();

526 function d3_eventSource() {

527 var e = d3.event, s;

528 while (s = e.sourceEvent) e = s;

529 return e;

531 function d3_eventDispatch(target) {

532 var dispatch = new d3_dispatch(), i = 0, n = arguments.length;

533 while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);

534 dispatch.of = function(thiz, argumentz) {

535 return function(e1) {

536 try {

537 var e0 = e1.sourceEvent = d3.event;

538 e1.target = target;

539 d3.event = e1;

540 dispatch[e1.type].apply(thiz, argumentz);

541 } finally {

542 d3.event = e0;

543 }

544 };

545 };

546 return dispatch;

548 d3.requote = function(s) {

549 return s.replace(d3_requote_re, "\\$&");

550 };

551 var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;

552 var d3_subclass = {}.__proto__ ? function(object, prototype) {

553 object.__proto__ = prototype;

554 } : function(object, prototype) {

555 for (var property in prototype) object[property] = prototype[property];

556 };

557 function d3_selection(groups) {

558 d3_subclass(groups, d3_selectionPrototype);

559 return groups;

561 var d3_select = function(s, n) {

562 return n.querySelector(s);

563 }, d3_selectAll = function(s, n) {

564 return n.querySelectorAll(s);

565 }, d3_selectMatches = function(n, s) {

566 var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, "matchesSelector")];

567 d3_selectMatches = function(n, s) {

568 return d3_selectMatcher.call(n, s);

569 };

570 return d3_selectMatches(n, s);

571 };

572 if (typeof Sizzle === "function") {

573 d3_select = function(s, n) {

574 return Sizzle(s, n)[0] || null;

575 };

576 d3_selectAll = Sizzle;

577 d3_selectMatches = Sizzle.matchesSelector;

579 d3.selection = function() {

580 return d3.select(d3_document.documentElement);

581 };

582 var d3_selectionPrototype = d3.selection.prototype = [];

583 d3_selectionPrototype.select = function(selector) {

584 var subgroups = [], subgroup, subnode, group, node;

585 selector = d3_selection_selector(selector);

586 for (var j = -1, m = this.length; ++j < m; ) {

587 subgroups.push(subgroup = []);

588 subgroup.parentNode = (group = this[j]).parentNode;

589 for (var i = -1, n = group.length; ++i < n; ) {

590 if (node = group[i]) {

591 subgroup.push(subnode = selector.call(node, node.__data__, i, j));

592 if (subnode && "__data__" in node) subnode.__data__ = node.__data__;

593 } else {

594 subgroup.push(null);

595 }

596 }

597 }

598 return d3_selection(subgroups);

599 };

600 function d3_selection_selector(selector) {

601 return typeof selector === "function" ? selector : function() {

602 return d3_select(selector, this);

603 };

605 d3_selectionPrototype.selectAll = function(selector) {

606 var subgroups = [], subgroup, node;

607 selector = d3_selection_selectorAll(selector);

608 for (var j = -1, m = this.length; ++j < m; ) {

609 for (var group = this[j], i = -1, n = group.length; ++i < n; ) {

610 if (node = group[i]) {

611 subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j)));

612 subgroup.parentNode = node;

613 }

614 }

615 }

616 return d3_selection(subgroups);

617 };

618 function d3_selection_selectorAll(selector) {

619 return typeof selector === "function" ? selector : function() {

620 return d3_selectAll(selector, this);

621 };

623 var d3_nsXhtml = "http://www.w3.org/1999/xhtml";

624 var d3_nsPrefix = {

625 svg: "http://www.w3.org/2000/svg",

626 xhtml: d3_nsXhtml,

627 xlink: "http://www.w3.org/1999/xlink",

628 xml: "http://www.w3.org/XML/1998/namespace",

629 xmlns: "http://www.w3.org/2000/xmlns/"

630 };

631 d3.ns = {

632 prefix: d3_nsPrefix,

633 qualify: function(name) {

634 var i = name.indexOf(":"), prefix = name;

635 if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1);

636 return d3_nsPrefix.hasOwnProperty(prefix) ? {

637 space: d3_nsPrefix[prefix],

638 local: name

639 } : name;

640 }

641 };

642 d3_selectionPrototype.attr = function(name, value) {

643 if (arguments.length < 2) {

644 if (typeof name === "string") {

645 var node = this.node();

646 name = d3.ns.qualify(name);

647 return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);

648 }

649 for (value in name) this.each(d3_selection_attr(value, name[value]));

650 return this;

651 }

652 return this.each(d3_selection_attr(name, value));

653 };

654 function d3_selection_attr(name, value) {

655 name = d3.ns.qualify(name);

656 function attrNull() {

657 this.removeAttribute(name);

658 }

659 function attrNullNS() {

660 this.removeAttributeNS(name.space, name.local);

661 }

662 function attrConstant() {

663 this.setAttribute(name, value);

664 }

665 function attrConstantNS() {

666 this.setAttributeNS(name.space, name.local, value);

667 }

668 function attrFunction() {

669 var x = value.apply(this, arguments);

670 if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);

671 }

672 function attrFunctionNS() {

673 var x = value.apply(this, arguments);

674 if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);

675 }

676 return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;

678 function d3_collapse(s) {

679 return s.trim().replace(/\s+/g, " ");

681 d3_selectionPrototype.classed = function(name, value) {

682 if (arguments.length < 2) {

683 if (typeof name === "string") {

684 var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1;

685 if (value = node.classList) {

686 while (++i < n) if (!value.contains(name[i])) return false;

687 } else {

688 value = node.getAttribute("class");

689 while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;

690 }

691 return true;

692 }

693 for (value in name) this.each(d3_selection_classed(value, name[value]));

694 return this;

695 }

696 return this.each(d3_selection_classed(name, value));

697 };

698 function d3_selection_classedRe(name) {

699 return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");

701 function d3_selection_classes(name) {

702 return (name + "").trim().split(/^|\s+/);

704 function d3_selection_classed(name, value) {

705 name = d3_selection_classes(name).map(d3_selection_classedName);

706 var n = name.length;

707 function classedConstant() {

708 var i = -1;

709 while (++i < n) name[i](this, value);

710 }

711 function classedFunction() {

712 var i = -1, x = value.apply(this, arguments);

713 while (++i < n) name[i](this, x);

714 }

715 return typeof value === "function" ? classedFunction : classedConstant;

717 function d3_selection_classedName(name) {

718 var re = d3_selection_classedRe(name);

719 return function(node, value) {

720 if (c = node.classList) return value ? c.add(name) : c.remove(name);

721 var c = node.getAttribute("class") || "";

722 if (value) {

723 re.lastIndex = 0;

724 if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));

725 } else {

726 node.setAttribute("class", d3_collapse(c.replace(re, " ")));

727 }

728 };

730 d3_selectionPrototype.style = function(name, value, priority) {

731 var n = arguments.length;

732 if (n < 3) {

733 if (typeof name !== "string") {

734 if (n < 2) value = "";

735 for (priority in name) this.each(d3_selection_style(priority, name[priority], value));

736 return this;

737 }

738 if (n < 2) {

739 var node = this.node();

740 return d3_window(node).getComputedStyle(node, null).getPropertyValue(name);

741 }

742 priority = "";

743 }

744 return this.each(d3_selection_style(name, value, priority));

745 };

746 function d3_selection_style(name, value, priority) {

747 function styleNull() {

748 this.style.removeProperty(name);

749 }

750 function styleConstant() {

751 this.style.setProperty(name, value, priority);

752 }

753 function styleFunction() {

754 var x = value.apply(this, arguments);

755 if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);

756 }

757 return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;

759 d3_selectionPrototype.property = function(name, value) {

760 if (arguments.length < 2) {

761 if (typeof name === "string") return this.node()[name];

762 for (value in name) this.each(d3_selection_property(value, name[value]));

763 return this;

764 }

765 return this.each(d3_selection_property(name, value));

766 };

767 function d3_selection_property(name, value) {

768 function propertyNull() {

769 delete this[name];

770 }

771 function propertyConstant() {

772 this[name] = value;

773 }

774 function propertyFunction() {

775 var x = value.apply(this, arguments);

776 if (x == null) delete this[name]; else this[name] = x;

777 }

778 return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;

780 d3_selectionPrototype.text = function(value) {

781 return arguments.length ? this.each(typeof value === "function" ? function() {

782 var v = value.apply(this, arguments);

783 this.textContent = v == null ? "" : v;

784 } : value == null ? function() {

785 this.textContent = "";

786 } : function() {

787 this.textContent = value;

788 }) : this.node().textContent;

789 };

790 d3_selectionPrototype.html = function(value) {

791 return arguments.length ? this.each(typeof value === "function" ? function() {

792 var v = value.apply(this, arguments);

793 this.innerHTML = v == null ? "" : v;

794 } : value == null ? function() {

795 this.innerHTML = "";

796 } : function() {

797 this.innerHTML = value;

798 }) : this.node().innerHTML;

799 };

800 d3_selectionPrototype.append = function(name) {

801 name = d3_selection_creator(name);

802 return this.select(function() {

803 return this.appendChild(name.apply(this, arguments));

804 });

805 };

806 function d3_selection_creator(name) {

807 function create() {

808 var document = this.ownerDocument, namespace = this.namespaceURI;

809 return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name);

810 }

811 function createNS() {

812 return this.ownerDocument.createElementNS(name.space, name.local);

813 }

814 return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? createNS : create;

816 d3_selectionPrototype.insert = function(name, before) {

817 name = d3_selection_creator(name);

818 before = d3_selection_selector(before);

819 return this.select(function() {

820 return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null);

821 });

822 };

823 d3_selectionPrototype.remove = function() {

824 return this.each(d3_selectionRemove);

825 };

826 function d3_selectionRemove() {

827 var parent = this.parentNode;

828 if (parent) parent.removeChild(this);

830 d3_selectionPrototype.data = function(value, key) {

831 var i = -1, n = this.length, group, node;

832 if (!arguments.length) {

833 value = new Array(n = (group = this[0]).length);

834 while (++i < n) {

835 if (node = group[i]) {

836 value[i] = node.__data__;

837 }

838 }

839 return value;

840 }

841 function bind(group, groupData) {

842 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;

843 if (key) {

844 var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue;

845 for (i = -1; ++i < n; ) {

846 if (node = group[i]) {

847 if (nodeByKeyValue.has(keyValue = key.call(node, node.__data__, i))) {

848 exitNodes[i] = node;

849 } else {

850 nodeByKeyValue.set(keyValue, node);

851 }

852 keyValues[i] = keyValue;

853 }

854 }

855 for (i = -1; ++i < m; ) {

856 if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) {

857 enterNodes[i] = d3_selection_dataNode(nodeData);

858 } else if (node !== true) {

859 updateNodes[i] = node;

860 node.__data__ = nodeData;

861 }

862 nodeByKeyValue.set(keyValue, true);

863 }

864 for (i = -1; ++i < n; ) {

865 if (i in keyValues && nodeByKeyValue.get(keyValues[i]) !== true) {

866 exitNodes[i] = group[i];

867 }

868 }

869 } else {

870 for (i = -1; ++i < n0; ) {

871 node = group[i];

872 nodeData = groupData[i];

873 if (node) {

874 node.__data__ = nodeData;

875 updateNodes[i] = node;

876 } else {

877 enterNodes[i] = d3_selection_dataNode(nodeData);

878 }

879 }

880 for (;i < m; ++i) {

881 enterNodes[i] = d3_selection_dataNode(groupData[i]);

882 }

883 for (;i < n; ++i) {

884 exitNodes[i] = group[i];

885 }

886 }

887 enterNodes.update = updateNodes;

888 enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;

889 enter.push(enterNodes);

890 update.push(updateNodes);

891 exit.push(exitNodes);

892 }

893 var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);

894 if (typeof value === "function") {

895 while (++i < n) {

896 bind(group = this[i], value.call(group, group.parentNode.__data__, i));

897 }

898 } else {

899 while (++i < n) {

900 bind(group = this[i], value);

901 }

902 }

903 update.enter = function() {

904 return enter;

905 };

906 update.exit = function() {

907 return exit;

908 };

909 return update;

910 };

911 function d3_selection_dataNode(data) {

912 return {

913 __data__: data

914 };

916 d3_selectionPrototype.datum = function(value) {

917 return arguments.length ? this.property("__data__", value) : this.property("__data__");

918 };

919 d3_selectionPrototype.filter = function(filter) {

920 var subgroups = [], subgroup, group, node;

921 if (typeof filter !== "function") filter = d3_selection_filter(filter);

922 for (var j = 0, m = this.length; j < m; j++) {

923 subgroups.push(subgroup = []);

924 subgroup.parentNode = (group = this[j]).parentNode;

925 for (var i = 0, n = group.length; i < n; i++) {

926 if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {

927 subgroup.push(node);

928 }

929 }

930 }

931 return d3_selection(subgroups);

932 };

933 function d3_selection_filter(selector) {

934 return function() {

935 return d3_selectMatches(this, selector);

936 };

938 d3_selectionPrototype.order = function() {

939 for (var j = -1, m = this.length; ++j < m; ) {

940 for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {

941 if (node = group[i]) {

942 if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);

943 next = node;

944 }

945 }

946 }

947 return this;

948 };

949 d3_selectionPrototype.sort = function(comparator) {

950 comparator = d3_selection_sortComparator.apply(this, arguments);

951 for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);

952 return this.order();

953 };

954 function d3_selection_sortComparator(comparator) {

955 if (!arguments.length) comparator = d3_ascending;

956 return function(a, b) {

957 return a && b ? comparator(a.__data__, b.__data__) : !a - !b;

958 };

960 d3_selectionPrototype.each = function(callback) {

961 return d3_selection_each(this, function(node, i, j) {

962 callback.call(node, node.__data__, i, j);

963 });

964 };

965 function d3_selection_each(groups, callback) {

966 for (var j = 0, m = groups.length; j < m; j++) {

967 for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {

968 if (node = group[i]) callback(node, i, j);

969 }

970 }

971 return groups;

973 d3_selectionPrototype.call = function(callback) {

974 var args = d3_array(arguments);

975 callback.apply(args[0] = this, args);

976 return this;

977 };

978 d3_selectionPrototype.empty = function() {

979 return !this.node();

980 };

981 d3_selectionPrototype.node = function() {

982 for (var j = 0, m = this.length; j < m; j++) {

983 for (var group = this[j], i = 0, n = group.length; i < n; i++) {

984 var node = group[i];

985 if (node) return node;

986 }

987 }

988 return null;

989 };

990 d3_selectionPrototype.size = function() {

991 var n = 0;

992 d3_selection_each(this, function() {

993 ++n;

994 });

995 return n;

996 };

997 function d3_selection_enter(selection) {

998 d3_subclass(selection, d3_selection_enterPrototype);

999 return selection;

1001 var d3_selection_enterPrototype = [];

1002 d3.selection.enter = d3_selection_enter;

1003 d3.selection.enter.prototype = d3_selection_enterPrototype;

1004 d3_selection_enterPrototype.append = d3_selectionPrototype.append;

1005 d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;

1006 d3_selection_enterPrototype.node = d3_selectionPrototype.node;

1007 d3_selection_enterPrototype.call = d3_selectionPrototype.call;

1008 d3_selection_enterPrototype.size = d3_selectionPrototype.size;

1009 d3_selection_enterPrototype.select = function(selector) {

1010 var subgroups = [], subgroup, subnode, upgroup, group, node;

1011 for (var j = -1, m = this.length; ++j < m; ) {

1012 upgroup = (group = this[j]).update;

1013 subgroups.push(subgroup = []);

1014 subgroup.parentNode = group.parentNode;

1015 for (var i = -1, n = group.length; ++i < n; ) {

1016 if (node = group[i]) {

1017 subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j));

1018 subnode.__data__ = node.__data__;

1019 } else {

1020 subgroup.push(null);

1021 }

1022 }

1023 }

1024 return d3_selection(subgroups);

1025 };

1026 d3_selection_enterPrototype.insert = function(name, before) {

1027 if (arguments.length < 2) before = d3_selection_enterInsertBefore(this);

1028 return d3_selectionPrototype.insert.call(this, name, before);

1029 };

1030 function d3_selection_enterInsertBefore(enter) {

1031 var i0, j0;

1032 return function(d, i, j) {

1033 var group = enter[j].update, n = group.length, node;

1034 if (j != j0) j0 = j, i0 = 0;

1035 if (i >= i0) i0 = i + 1;

1036 while (!(node = group[i0]) && ++i0 < n) ;

1037 return node;

1038 };

1040 d3.select = function(node) {

1041 var group;

1042 if (typeof node === "string") {

1043 group = [ d3_select(node, d3_document) ];

1044 group.parentNode = d3_document.documentElement;

1045 } else {

1046 group = [ node ];

1047 group.parentNode = d3_documentElement(node);

1048 }

1049 return d3_selection([ group ]);

1050 };

1051 d3.selectAll = function(nodes) {

1052 var group;

1053 if (typeof nodes === "string") {

1054 group = d3_array(d3_selectAll(nodes, d3_document));

1055 group.parentNode = d3_document.documentElement;

1056 } else {

1057 group = d3_array(nodes);

1058 group.parentNode = null;

1059 }

1060 return d3_selection([ group ]);

1061 };

1062 d3_selectionPrototype.on = function(type, listener, capture) {

1063 var n = arguments.length;

1064 if (n < 3) {

1065 if (typeof type !== "string") {

1066 if (n < 2) listener = false;

1067 for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));

1068 return this;

1069 }

1070 if (n < 2) return (n = this.node()["__on" + type]) && n._;

1071 capture = false;

1072 }

1073 return this.each(d3_selection_on(type, listener, capture));

1074 };

1075 function d3_selection_on(type, listener, capture) {

1076 var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;

1077 if (i > 0) type = type.slice(0, i);

1078 var filter = d3_selection_onFilters.get(type);

1079 if (filter) type = filter, wrap = d3_selection_onFilter;

1080 function onRemove() {

1081 var l = this[name];

1082 if (l) {

1083 this.removeEventListener(type, l, l.$);

1084 delete this[name];

1085 }

1086 }

1087 function onAdd() {

1088 var l = wrap(listener, d3_array(arguments));

1089 onRemove.call(this);

1090 this.addEventListener(type, this[name] = l, l.$ = capture);

1091 l._ = listener;

1092 }

1093 function removeAll() {

1094 var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;

1095 for (var name in this) {

1096 if (match = name.match(re)) {

1097 var l = this[name];

1098 this.removeEventListener(match[1], l, l.$);

1099 delete this[name];

1100 }

1101 }

1102 }

1103 return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;

1105 var d3_selection_onFilters = d3.map({

1106 mouseenter: "mouseover",

1107 mouseleave: "mouseout"

1108 });

1109 if (d3_document) {

1110 d3_selection_onFilters.forEach(function(k) {

1111 if ("on" + k in d3_document) d3_selection_onFilters.remove(k);

1112 });

1114 function d3_selection_onListener(listener, argumentz) {

1115 return function(e) {

1116 var o = d3.event;

1117 d3.event = e;

1118 argumentz[0] = this.__data__;

1119 try {

1120 listener.apply(this, argumentz);

1121 } finally {

1122 d3.event = o;

1123 }

1124 };

1126 function d3_selection_onFilter(listener, argumentz) {

1127 var l = d3_selection_onListener(listener, argumentz);

1128 return function(e) {

1129 var target = this, related = e.relatedTarget;

1130 if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {

1131 l.call(target, e);

1132 }

1133 };

1135 var d3_event_dragSelect, d3_event_dragId = 0;

1136 function d3_event_dragSuppress(node) {

1137 var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window(node)).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault);

1138 if (d3_event_dragSelect == null) {

1139 d3_event_dragSelect = "onselectstart" in node ? false : d3_vendorSymbol(node.style, "userSelect");

1140 }

1141 if (d3_event_dragSelect) {

1142 var style = d3_documentElement(node).style, select = style[d3_event_dragSelect];

1143 style[d3_event_dragSelect] = "none";

1144 }

1145 return function(suppressClick) {

1146 w.on(name, null);

1147 if (d3_event_dragSelect) style[d3_event_dragSelect] = select;

1148 if (suppressClick) {

1149 var off = function() {

1150 w.on(click, null);

1151 };

1152 w.on(click, function() {

1153 d3_eventPreventDefault();

1154 off();

1155 }, true);

1156 setTimeout(off, 0);

1157 }

1158 };

1160 d3.mouse = function(container) {

1161 return d3_mousePoint(container, d3_eventSource());

1162 };

1163 var d3_mouse_bug44083 = this.navigator && /WebKit/.test(this.navigator.userAgent) ? -1 : 0;

1164 function d3_mousePoint(container, e) {

1165 if (e.changedTouches) e = e.changedTouches[0];

1166 var svg = container.ownerSVGElement || container;

1167 if (svg.createSVGPoint) {

1168 var point = svg.createSVGPoint();

1169 if (d3_mouse_bug44083 < 0) {

1170 var window = d3_window(container);

1171 if (window.scrollX || window.scrollY) {

1172 svg = d3.select("body").append("svg").style({

1173 position: "absolute",

1174 top: 0,

1175 left: 0,

1176 margin: 0,

1177 padding: 0,

1178 border: "none"

1179 }, "important");

1180 var ctm = svg[0][0].getScreenCTM();

1181 d3_mouse_bug44083 = !(ctm.f || ctm.e);

1182 svg.remove();

1183 }

1184 }

1185 if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX,

1186 point.y = e.clientY;

1187 point = point.matrixTransform(container.getScreenCTM().inverse());

1188 return [ point.x, point.y ];

1189 }

1190 var rect = container.getBoundingClientRect();

1191 return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];

1193 d3.touch = function(container, touches, identifier) {

1194 if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches;

1195 if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) {

1196 if ((touch = touches[i]).identifier === identifier) {

1197 return d3_mousePoint(container, touch);

1198 }

1199 }

1200 };

1201 d3.behavior.drag = function() {

1202 var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_window, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, "touchmove", "touchend");

1203 function drag() {

1204 this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart);

1205 }

1206 function dragstart(id, position, subject, move, end) {

1207 return function() {

1208 var that = this, target = d3.event.target.correspondingElement || 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(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId);

1209 if (origin) {

1210 dragOffset = origin.apply(that, arguments);

1211 dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ];

1212 } else {

1213 dragOffset = [ 0, 0 ];

1214 }

1215 dispatch({

1216 type: "dragstart"

1217 });

1218 function moved() {

1219 var position1 = position(parent, dragId), dx, dy;

1220 if (!position1) return;

1221 dx = position1[0] - position0[0];

1222 dy = position1[1] - position0[1];

1223 dragged |= dx | dy;

1224 position0 = position1;

1225 dispatch({

1226 type: "drag",

1227 x: position1[0] + dragOffset[0],

1228 y: position1[1] + dragOffset[1],

1229 dx: dx,

1230 dy: dy

1231 });

1232 }

1233 function ended() {

1234 if (!position(parent, dragId)) return;

1235 dragSubject.on(move + dragName, null).on(end + dragName, null);

1236 dragRestore(dragged);

1237 dispatch({

1238 type: "dragend"

1239 });

1240 }

1241 };

1242 }

1243 drag.origin = function(x) {

1244 if (!arguments.length) return origin;

1245 origin = x;

1246 return drag;

1247 };

1248 return d3.rebind(drag, event, "on");

1249 };

1250 function d3_behavior_dragTouchId() {

1251 return d3.event.changedTouches[0].identifier;

1253 d3.touches = function(container, touches) {

1254 if (arguments.length < 2) touches = d3_eventSource().touches;

1255 return touches ? d3_array(touches).map(function(touch) {

1256 var point = d3_mousePoint(container, touch);

1257 point.identifier = touch.identifier;

1258 return point;

1259 }) : [];

1260 };

1261 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;

1262 function d3_sgn(x) {

1263 return x > 0 ? 1 : x < 0 ? -1 : 0;

1265 function d3_cross2d(a, b, c) {

1266 return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);

1268 function d3_acos(x) {

1269 return x > 1 ? 0 : x < -1 ? π : Math.acos(x);

1271 function d3_asin(x) {

1272 return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x);

1274 function d3_sinh(x) {

1275 return ((x = Math.exp(x)) - 1 / x) / 2;

1277 function d3_cosh(x) {

1278 return ((x = Math.exp(x)) + 1 / x) / 2;

1280 function d3_tanh(x) {

1281 return ((x = Math.exp(2 * x)) - 1) / (x + 1);

1283 function d3_haversin(x) {

1284 return (x = Math.sin(x / 2)) * x;

1286 var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4;

1287 d3.interpolateZoom = function(p0, p1) {

1288 var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S;

1289 if (d2 < ε2) {

1290 S = Math.log(w1 / w0) / ρ;

1291 i = function(t) {

1292 return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ];

1293 };

1294 } else {

1295 var 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);

1296 S = (r1 - r0) / ρ;

1297 i = function(t) {

1298 var s = t * S, coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0));

1299 return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ];

1300 };

1301 }

1302 i.duration = S * 1e3;

1303 return i;

1304 };

1305 d3.behavior.zoom = function() {

1306 var view = {

1307 x: 0,

1308 y: 0,

1309 k: 1

1310 }, 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;

1311 if (!d3_behavior_zoomWheel) {

1312 d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {

1313 return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);

1314 }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {

1315 return d3.event.wheelDelta;

1316 }, "mousewheel") : (d3_behavior_zoomDelta = function() {

1317 return -d3.event.detail;

1318 }, "MozMousePixelScroll");

1319 }

1320 function zoom(g) {

1321 g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted);

1322 }

1323 zoom.event = function(g) {

1324 g.each(function() {

1325 var dispatch = event.of(this, arguments), view1 = view;

1326 if (d3_transitionInheritId) {

1327 d3.select(this).transition().each("start.zoom", function() {

1328 view = this.__chart__ || {

1329 x: 0,

1330 y: 0,

1331 k: 1

1332 };

1333 zoomstarted(dispatch);

1334 }).tween("zoom:zoom", function() {

1335 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 ]);

1336 return function(t) {

1337 var l = i(t), k = dx / l[2];

1338 this.__chart__ = view = {

1339 x: cx - l[0] * k,

1340 y: cy - l[1] * k,

1341 k: k

1342 };

1343 zoomed(dispatch);

1344 };

1345 }).each("interrupt.zoom", function() {

1346 zoomended(dispatch);

1347 }).each("end.zoom", function() {

1348 zoomended(dispatch);

1349 });

1350 } else {

1351 this.__chart__ = view;

1352 zoomstarted(dispatch);

1353 zoomed(dispatch);

1354 zoomended(dispatch);

1355 }

1356 });

1357 };

1358 zoom.translate = function(_) {

1359 if (!arguments.length) return [ view.x, view.y ];

1360 view = {

1361 x: +_[0],

1362 y: +_[1],

1363 k: view.k

1364 };

1365 rescale();

1366 return zoom;

1367 };

1368 zoom.scale = function(_) {

1369 if (!arguments.length) return view.k;

1370 view = {

1371 x: view.x,

1372 y: view.y,

1373 k: null

1374 };

1375 scaleTo(+_);

1376 rescale();

1377 return zoom;

1378 };

1379 zoom.scaleExtent = function(_) {

1380 if (!arguments.length) return scaleExtent;

1381 scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ];

1382 return zoom;

1383 };

1384 zoom.center = function(_) {

1385 if (!arguments.length) return center;

1386 center = _ && [ +_[0], +_[1] ];

1387 return zoom;

1388 };

1389 zoom.size = function(_) {

1390 if (!arguments.length) return size;

1391 size = _ && [ +_[0], +_[1] ];

1392 return zoom;

1393 };

1394 zoom.duration = function(_) {

1395 if (!arguments.length) return duration;

1396 duration = +_;

1397 return zoom;

1398 };

1399 zoom.x = function(z) {

1400 if (!arguments.length) return x1;

1401 x1 = z;

1402 x0 = z.copy();

1403 view = {

1404 x: 0,

1405 y: 0,

1406 k: 1

1407 };

1408 return zoom;

1409 };

1410 zoom.y = function(z) {

1411 if (!arguments.length) return y1;

1412 y1 = z;

1413 y0 = z.copy();

1414 view = {

1415 x: 0,

1416 y: 0,

1417 k: 1

1418 };

1419 return zoom;

1420 };

1421 function location(p) {

1422 return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ];

1423 }

1424 function point(l) {

1425 return [ l[0] * view.k + view.x, l[1] * view.k + view.y ];

1426 }

1427 function scaleTo(s) {

1428 view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));

1429 }

1430 function translateTo(p, l) {

1431 l = point(l);

1432 view.x += p[0] - l[0];

1433 view.y += p[1] - l[1];

1434 }

1435 function zoomTo(that, p, l, k) {

1436 that.__chart__ = {

1437 x: view.x,

1438 y: view.y,

1439 k: view.k

1440 };

1441 scaleTo(Math.pow(2, k));

1442 translateTo(center0 = p, l);

1443 that = d3.select(that);

1444 if (duration > 0) that = that.transition().duration(duration);

1445 that.call(zoom.event);

1446 }

1447 function rescale() {

1448 if (x1) x1.domain(x0.range().map(function(x) {

1449 return (x - view.x) / view.k;

1450 }).map(x0.invert));

1451 if (y1) y1.domain(y0.range().map(function(y) {

1452 return (y - view.y) / view.k;

1453 }).map(y0.invert));

1454 }

1455 function zoomstarted(dispatch) {

1456 if (!zooming++) dispatch({

1457 type: "zoomstart"

1458 });

1459 }

1460 function zoomed(dispatch) {

1461 rescale();

1462 dispatch({

1463 type: "zoom",

1464 scale: view.k,

1465 translate: [ view.x, view.y ]

1466 });

1467 }

1468 function zoomended(dispatch) {

1469 if (!--zooming) dispatch({

1470 type: "zoomend"

1471 }), center0 = null;

1472 }

1473 function mousedowned() {

1474 var that = this, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that);

1475 d3_selection_interrupt.call(that);

1476 zoomstarted(dispatch);

1477 function moved() {

1478 dragged = 1;

1479 translateTo(d3.mouse(that), location0);

1480 zoomed(dispatch);

1481 }

1482 function ended() {

1483 subject.on(mousemove, null).on(mouseup, null);

1484 dragRestore(dragged);

1485 zoomended(dispatch);

1486 }

1487 }

1488 function touchstarted() {

1489 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(that);

1490 started();

1491 zoomstarted(dispatch);

1492 subject.on(mousedown, null).on(touchstart, started);

1493 function relocate() {

1494 var touches = d3.touches(that);

1495 scale0 = view.k;

1496 touches.forEach(function(t) {

1497 if (t.identifier in locations0) locations0[t.identifier] = location(t);

1498 });

1499 return touches;

1500 }

1501 function started() {

1502 var target = d3.event.target;

1503 d3.select(target).on(touchmove, moved).on(touchend, ended);

1504 targets.push(target);

1505 var changed = d3.event.changedTouches;

1506 for (var i = 0, n = changed.length; i < n; ++i) {

1507 locations0[changed[i].identifier] = null;

1508 }

1509 var touches = relocate(), now = Date.now();

1510 if (touches.length === 1) {

1511 if (now - touchtime < 500) {

1512 var p = touches[0];

1513 zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1);

1514 d3_eventPreventDefault();

1515 }

1516 touchtime = now;

1517 } else if (touches.length > 1) {

1518 var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1];

1519 distance0 = dx * dx + dy * dy;

1520 }

1521 }

1522 function moved() {

1523 var touches = d3.touches(that), p0, l0, p1, l1;

1524 d3_selection_interrupt.call(that);

1525 for (var i = 0, n = touches.length; i < n; ++i, l1 = null) {

1526 p1 = touches[i];

1527 if (l1 = locations0[p1.identifier]) {

1528 if (l0) break;

1529 p0 = p1, l0 = l1;

1530 }

1531 }

1532 if (l1) {

1533 var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0);

1534 p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];

1535 l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];

1536 scaleTo(scale1 * scale0);

1537 }

1538 touchtime = null;

1539 translateTo(p0, l0);

1540 zoomed(dispatch);

1541 }

1542 function ended() {

1543 if (d3.event.touches.length) {

1544 var changed = d3.event.changedTouches;

1545 for (var i = 0, n = changed.length; i < n; ++i) {

1546 delete locations0[changed[i].identifier];

1547 }

1548 for (var identifier in locations0) {

1549 return void relocate();

1550 }

1551 }

1552 d3.selectAll(targets).on(zoomName, null);

1553 subject.on(mousedown, mousedowned).on(touchstart, touchstarted);

1554 dragRestore();

1555 zoomended(dispatch);

1556 }

1557 }

1558 function mousewheeled() {

1559 var dispatch = event.of(this, arguments);

1560 if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this),

1561 translate0 = location(center0 = center || d3.mouse(this)), zoomstarted(dispatch);

1562 mousewheelTimer = setTimeout(function() {

1563 mousewheelTimer = null;

1564 zoomended(dispatch);

1565 }, 50);

1566 d3_eventPreventDefault();

1567 scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);

1568 translateTo(center0, translate0);

1569 zoomed(dispatch);

1570 }

1571 function dblclicked() {

1572 var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2;

1573 zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1);

1574 }

1575 return d3.rebind(zoom, event, "on");

1576 };

1577 var d3_behavior_zoomInfinity = [ 0, Infinity ], d3_behavior_zoomDelta, d3_behavior_zoomWheel;

1578 d3.color = d3_color;

1579 function d3_color() {}

1580 d3_color.prototype.toString = function() {

1581 return this.rgb() + "";

1582 };

1583 d3.hsl = d3_hsl;

1584 function d3_hsl(h, s, l) {

1585 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);

1587 var d3_hslPrototype = d3_hsl.prototype = new d3_color();

1588 d3_hslPrototype.brighter = function(k) {

1589 k = Math.pow(.7, arguments.length ? k : 1);

1590 return new d3_hsl(this.h, this.s, this.l / k);

1591 };

1592 d3_hslPrototype.darker = function(k) {

1593 k = Math.pow(.7, arguments.length ? k : 1);

1594 return new d3_hsl(this.h, this.s, k * this.l);

1595 };

1596 d3_hslPrototype.rgb = function() {

1597 return d3_hsl_rgb(this.h, this.s, this.l);

1598 };

1599 function d3_hsl_rgb(h, s, l) {

1600 var m1, m2;

1601 h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h;

1602 s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s;

1603 l = l < 0 ? 0 : l > 1 ? 1 : l;

1604 m2 = l <= .5 ? l * (1 + s) : l + s - l * s;

1605 m1 = 2 * l - m2;

1606 function v(h) {

1607 if (h > 360) h -= 360; else if (h < 0) h += 360;

1608 if (h < 60) return m1 + (m2 - m1) * h / 60;

1609 if (h < 180) return m2;

1610 if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;

1611 return m1;

1612 }

1613 function vv(h) {

1614 return Math.round(v(h) * 255);

1615 }

1616 return new d3_rgb(vv(h + 120), vv(h), vv(h - 120));

1618 d3.hcl = d3_hcl;

1619 function d3_hcl(h, c, l) {

1620 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);

1622 var d3_hclPrototype = d3_hcl.prototype = new d3_color();

1623 d3_hclPrototype.brighter = function(k) {

1624 return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));

1625 };

1626 d3_hclPrototype.darker = function(k) {

1627 return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));

1628 };

1629 d3_hclPrototype.rgb = function() {

1630 return d3_hcl_lab(this.h, this.c, this.l).rgb();

1631 };

1632 function d3_hcl_lab(h, c, l) {

1633 if (isNaN(h)) h = 0;

1634 if (isNaN(c)) c = 0;

1635 return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);

1637 d3.lab = d3_lab;

1638 function d3_lab(l, a, b) {

1639 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);

1641 var d3_lab_K = 18;

1642 var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;

1643 var d3_labPrototype = d3_lab.prototype = new d3_color();

1644 d3_labPrototype.brighter = function(k) {

1645 return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);

1646 };

1647 d3_labPrototype.darker = function(k) {

1648 return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);

1649 };

1650 d3_labPrototype.rgb = function() {

1651 return d3_lab_rgb(this.l, this.a, this.b);

1652 };

1653 function d3_lab_rgb(l, a, b) {

1654 var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;

1655 x = d3_lab_xyz(x) * d3_lab_X;

1656 y = d3_lab_xyz(y) * d3_lab_Y;

1657 z = d3_lab_xyz(z) * d3_lab_Z;

1658 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));

1660 function d3_lab_hcl(l, a, b) {

1661 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);

1663 function d3_lab_xyz(x) {

1664 return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;

1666 function d3_xyz_lab(x) {

1667 return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;

1669 function d3_xyz_rgb(r) {

1670 return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));

1672 d3.rgb = d3_rgb;

1673 function d3_rgb(r, g, b) {

1674 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);

1676 function d3_rgbNumber(value) {

1677 return new d3_rgb(value >> 16, value >> 8 & 255, value & 255);

1679 function d3_rgbString(value) {

1680 return d3_rgbNumber(value) + "";

1682 var d3_rgbPrototype = d3_rgb.prototype = new d3_color();

1683 d3_rgbPrototype.brighter = function(k) {

1684 k = Math.pow(.7, arguments.length ? k : 1);

1685 var r = this.r, g = this.g, b = this.b, i = 30;

1686 if (!r && !g && !b) return new d3_rgb(i, i, i);

1687 if (r && r < i) r = i;

1688 if (g && g < i) g = i;

1689 if (b && b < i) b = i;

1690 return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k));

1691 };

1692 d3_rgbPrototype.darker = function(k) {

1693 k = Math.pow(.7, arguments.length ? k : 1);

1694 return new d3_rgb(k * this.r, k * this.g, k * this.b);

1695 };

1696 d3_rgbPrototype.hsl = function() {

1697 return d3_rgb_hsl(this.r, this.g, this.b);

1698 };

1699 d3_rgbPrototype.toString = function() {

1700 return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);

1701 };

1702 function d3_rgb_hex(v) {

1703 return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);

1705 function d3_rgb_parse(format, rgb, hsl) {

1706 var r = 0, g = 0, b = 0, m1, m2, color;

1707 m1 = /([a-z]+)\((.*)\)/.exec(format = format.toLowerCase());

1708 if (m1) {

1709 m2 = m1[2].split(",");

1710 switch (m1[1]) {

1711 case "hsl":

1712 {

1713 return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);

1714 }

1716 case "rgb":

1717 {

1718 return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));

1719 }

1720 }

1721 }

1722 if (color = d3_rgb_names.get(format)) {

1723 return rgb(color.r, color.g, color.b);

1724 }

1725 if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) {

1726 if (format.length === 4) {

1727 r = (color & 3840) >> 4;

1728 r = r >> 4 | r;

1729 g = color & 240;

1730 g = g >> 4 | g;

1731 b = color & 15;

1732 b = b << 4 | b;

1733 } else if (format.length === 7) {

1734 r = (color & 16711680) >> 16;

1735 g = (color & 65280) >> 8;

1736 b = color & 255;

1737 }

1738 }

1739 return rgb(r, g, b);

1741 function d3_rgb_hsl(r, g, b) {

1742 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;

1743 if (d) {

1744 s = l < .5 ? d / (max + min) : d / (2 - max - min);

1745 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;

1746 h *= 60;

1747 } else {

1748 h = NaN;

1749 s = l > 0 && l < 1 ? 0 : h;

1750 }

1751 return new d3_hsl(h, s, l);

1753 function d3_rgb_lab(r, g, b) {

1754 r = d3_rgb_xyz(r);

1755 g = d3_rgb_xyz(g);

1756 b = d3_rgb_xyz(b);

1757 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);

1758 return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));

1760 function d3_rgb_xyz(r) {

1761 return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);

1763 function d3_rgb_parseNumber(c) {

1764 var f = parseFloat(c);

1765 return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;

1767 var d3_rgb_names = d3.map({

1768 aliceblue: 15792383,

1769 antiquewhite: 16444375,

1770 aqua: 65535,

1771 aquamarine: 8388564,

1772 azure: 15794175,

1773 beige: 16119260,

1774 bisque: 16770244,

1775 black: 0,

1776 blanchedalmond: 16772045,

1777 blue: 255,

1778 blueviolet: 9055202,

1779 brown: 10824234,

1780 burlywood: 14596231,

1781 cadetblue: 6266528,

1782 chartreuse: 8388352,

1783 chocolate: 13789470,

1784 coral: 16744272,

1785 cornflowerblue: 6591981,

1786 cornsilk: 16775388,

1787 crimson: 14423100,

1788 cyan: 65535,

1789 darkblue: 139,

1790 darkcyan: 35723,

1791 darkgoldenrod: 12092939,

1792 darkgray: 11119017,

1793 darkgreen: 25600,

1794 darkgrey: 11119017,

1795 darkkhaki: 12433259,

1796 darkmagenta: 9109643,

1797 darkolivegreen: 5597999,

1798 darkorange: 16747520,

1799 darkorchid: 10040012,

1800 darkred: 9109504,

1801 darksalmon: 15308410,

1802 darkseagreen: 9419919,

1803 darkslateblue: 4734347,

1804 darkslategray: 3100495,

1805 darkslategrey: 3100495,

1806 darkturquoise: 52945,

1807 darkviolet: 9699539,

1808 deeppink: 16716947,

1809 deepskyblue: 49151,

1810 dimgray: 6908265,

1811 dimgrey: 6908265,

1812 dodgerblue: 2003199,

1813 firebrick: 11674146,

1814 floralwhite: 16775920,

1815 forestgreen: 2263842,

1816 fuchsia: 16711935,

1817 gainsboro: 14474460,

1818 ghostwhite: 16316671,

1819 gold: 16766720,

1820 goldenrod: 14329120,

1821 gray: 8421504,

1822 green: 32768,

1823 greenyellow: 11403055,

1824 grey: 8421504,

1825 honeydew: 15794160,

1826 hotpink: 16738740,

1827 indianred: 13458524,

1828 indigo: 4915330,

1829 ivory: 16777200,

1830 khaki: 15787660,

1831 lavender: 15132410,

1832 lavenderblush: 16773365,

1833 lawngreen: 8190976,

1834 lemonchiffon: 16775885,

1835 lightblue: 11393254,

1836 lightcoral: 15761536,

1837 lightcyan: 14745599,

1838 lightgoldenrodyellow: 16448210,

1839 lightgray: 13882323,

1840 lightgreen: 9498256,

1841 lightgrey: 13882323,

1842 lightpink: 16758465,

1843 lightsalmon: 16752762,

1844 lightseagreen: 2142890,

1845 lightskyblue: 8900346,

1846 lightslategray: 7833753,

1847 lightslategrey: 7833753,

1848 lightsteelblue: 11584734,

1849 lightyellow: 16777184,

1850 lime: 65280,

1851 limegreen: 3329330,

1852 linen: 16445670,

1853 magenta: 16711935,

1854 maroon: 8388608,

1855 mediumaquamarine: 6737322,

1856 mediumblue: 205,

1857 mediumorchid: 12211667,

1858 mediumpurple: 9662683,

1859 mediumseagreen: 3978097,

1860 mediumslateblue: 8087790,

1861 mediumspringgreen: 64154,

1862 mediumturquoise: 4772300,

1863 mediumvioletred: 13047173,

1864 midnightblue: 1644912,

1865 mintcream: 16121850,

1866 mistyrose: 16770273,

1867 moccasin: 16770229,

1868 navajowhite: 16768685,

1869 navy: 128,

1870 oldlace: 16643558,

1871 olive: 8421376,

1872 olivedrab: 7048739,

1873 orange: 16753920,

1874 orangered: 16729344,

1875 orchid: 14315734,

1876 palegoldenrod: 15657130,

1877 palegreen: 10025880,

1878 paleturquoise: 11529966,

1879 palevioletred: 14381203,

1880 papayawhip: 16773077,

1881 peachpuff: 16767673,

1882 peru: 13468991,

1883 pink: 16761035,

1884 plum: 14524637,

1885 powderblue: 11591910,

1886 purple: 8388736,

1887 rebeccapurple: 6697881,

1888 red: 16711680,

1889 rosybrown: 12357519,

1890 royalblue: 4286945,

1891 saddlebrown: 9127187,

1892 salmon: 16416882,

1893 sandybrown: 16032864,

1894 seagreen: 3050327,

1895 seashell: 16774638,

1896 sienna: 10506797,

1897 silver: 12632256,

1898 skyblue: 8900331,

1899 slateblue: 6970061,

1900 slategray: 7372944,

1901 slategrey: 7372944,

1902 snow: 16775930,

1903 springgreen: 65407,

1904 steelblue: 4620980,

1905 tan: 13808780,

1906 teal: 32896,

1907 thistle: 14204888,

1908 tomato: 16737095,

1909 turquoise: 4251856,

1910 violet: 15631086,

1911 wheat: 16113331,

1912 white: 16777215,

1913 whitesmoke: 16119285,

1914 yellow: 16776960,

1915 yellowgreen: 10145074

1916 });

1917 d3_rgb_names.forEach(function(key, value) {

1918 d3_rgb_names.set(key, d3_rgbNumber(value));

1919 });

1920 function d3_functor(v) {

1921 return typeof v === "function" ? v : function() {

1922 return v;

1923 };

1925 d3.functor = d3_functor;

1926 d3.xhr = d3_xhrType(d3_identity);

1927 function d3_xhrType(response) {

1928 return function(url, mimeType, callback) {

1929 if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType,

1930 mimeType = null;

1931 return d3_xhr(url, mimeType, response, callback);

1932 };

1934 function d3_xhr(url, mimeType, response, callback) {

1935 var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null;

1936 if (this.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest();

1937 "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {

1938 request.readyState > 3 && respond();

1939 };

1940 function respond() {

1941 var status = request.status, result;

1942 if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) {

1943 try {

1944 result = response.call(xhr, request);

1945 } catch (e) {

1946 dispatch.error.call(xhr, e);

1947 return;

1948 }

1949 dispatch.load.call(xhr, result);

1950 } else {

1951 dispatch.error.call(xhr, request);

1952 }

1953 }

1954 request.onprogress = function(event) {

1955 var o = d3.event;

1956 d3.event = event;

1957 try {

1958 dispatch.progress.call(xhr, request);

1959 } finally {

1960 d3.event = o;

1961 }

1962 };

1963 xhr.header = function(name, value) {

1964 name = (name + "").toLowerCase();

1965 if (arguments.length < 2) return headers[name];

1966 if (value == null) delete headers[name]; else headers[name] = value + "";

1967 return xhr;

1968 };

1969 xhr.mimeType = function(value) {

1970 if (!arguments.length) return mimeType;

1971 mimeType = value == null ? null : value + "";

1972 return xhr;

1973 };

1974 xhr.responseType = function(value) {

1975 if (!arguments.length) return responseType;

1976 responseType = value;

1977 return xhr;

1978 };

1979 xhr.response = function(value) {

1980 response = value;

1981 return xhr;

1982 };

1983 [ "get", "post" ].forEach(function(method) {

1984 xhr[method] = function() {

1985 return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));

1986 };

1987 });

1988 xhr.send = function(method, data, callback) {

1989 if (arguments.length === 2 && typeof data === "function") callback = data, data = null;

1990 request.open(method, url, true);

1991 if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";

1992 if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);

1993 if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);

1994 if (responseType != null) request.responseType = responseType;

1995 if (callback != null) xhr.on("error", callback).on("load", function(request) {

1996 callback(null, request);

1997 });

1998 dispatch.beforesend.call(xhr, request);

1999 request.send(data == null ? null : data);

2000 return xhr;

2001 };

2002 xhr.abort = function() {

2003 request.abort();

2004 return xhr;

2005 };

2006 d3.rebind(xhr, dispatch, "on");

2007 return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));

2009 function d3_xhr_fixCallback(callback) {

2010 return callback.length === 1 ? function(error, request) {

2011 callback(error == null ? request : null);

2012 } : callback;

2014 function d3_xhrHasResponse(request) {

2015 var type = request.responseType;

2016 return type && type !== "text" ? request.response : request.responseText;

2018 d3.dsv = function(delimiter, mimeType) {

2019 var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);

2020 function dsv(url, row, callback) {

2021 if (arguments.length < 3) callback = row, row = null;

2022 var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback);

2023 xhr.row = function(_) {

2024 return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;

2025 };

2026 return xhr;

2027 }

2028 function response(request) {

2029 return dsv.parse(request.responseText);

2030 }

2031 function typedResponse(f) {

2032 return function(request) {

2033 return dsv.parse(request.responseText, f);

2034 };

2035 }

2036 dsv.parse = function(text, f) {

2037 var o;

2038 return dsv.parseRows(text, function(row, i) {

2039 if (o) return o(row, i - 1);

2040 var a = new Function("d", "return {" + row.map(function(name, i) {

2041 return JSON.stringify(name) + ": d[" + i + "]";

2042 }).join(",") + "}");

2043 o = f ? function(row, i) {

2044 return f(a(row), i);

2045 } : a;

2046 });

2047 };

2048 dsv.parseRows = function(text, f) {

2049 var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;

2050 function token() {

2051 if (I >= N) return EOF;

2052 if (eol) return eol = false, EOL;

2053 var j = I;

2054 if (text.charCodeAt(j) === 34) {

2055 var i = j;

2056 while (i++ < N) {

2057 if (text.charCodeAt(i) === 34) {

2058 if (text.charCodeAt(i + 1) !== 34) break;

2059 ++i;

2060 }

2061 }

2062 I = i + 2;

2063 var c = text.charCodeAt(i + 1);

2064 if (c === 13) {

2065 eol = true;

2066 if (text.charCodeAt(i + 2) === 10) ++I;

2067 } else if (c === 10) {

2068 eol = true;

2069 }

2070 return text.slice(j + 1, i).replace(/""/g, '"');

2071 }

2072 while (I < N) {

2073 var c = text.charCodeAt(I++), k = 1;

2074 if (c === 10) eol = true; else if (c === 13) {

2075 eol = true;

2076 if (text.charCodeAt(I) === 10) ++I, ++k;

2077 } else if (c !== delimiterCode) continue;

2078 return text.slice(j, I - k);

2079 }

2080 return text.slice(j);

2081 }

2082 while ((t = token()) !== EOF) {

2083 var a = [];

2084 while (t !== EOL && t !== EOF) {

2085 a.push(t);

2086 t = token();

2087 }

2088 if (f && (a = f(a, n++)) == null) continue;

2089 rows.push(a);

2090 }

2091 return rows;

2092 };

2093 dsv.format = function(rows) {

2094 if (Array.isArray(rows[0])) return dsv.formatRows(rows);

2095 var fieldSet = new d3_Set(), fields = [];

2096 rows.forEach(function(row) {

2097 for (var field in row) {

2098 if (!fieldSet.has(field)) {

2099 fields.push(fieldSet.add(field));

2100 }

2101 }

2102 });

2103 return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {

2104 return fields.map(function(field) {

2105 return formatValue(row[field]);

2106 }).join(delimiter);

2107 })).join("\n");

2108 };

2109 dsv.formatRows = function(rows) {

2110 return rows.map(formatRow).join("\n");

2111 };

2112 function formatRow(row) {

2113 return row.map(formatValue).join(delimiter);

2114 }

2115 function formatValue(text) {

2116 return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;

2117 }

2118 return dsv;

2119 };

2120 d3.csv = d3.dsv(",", "text/csv");

2121 d3.tsv = d3.dsv(" ", "text/tab-separated-values");

2122 var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) {

2123 setTimeout(callback, 17);

2124 };

2125 d3.timer = function() {

2126 d3_timer.apply(this, arguments);

2127 };

2128 function d3_timer(callback, delay, then) {

2129 var n = arguments.length;

2130 if (n < 2) delay = 0;

2131 if (n < 3) then = Date.now();

2132 var time = then + delay, timer = {

2133 c: callback,

2134 t: time,

2135 n: null

2136 };

2137 if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer;

2138 d3_timer_queueTail = timer;

2139 if (!d3_timer_interval) {

2140 d3_timer_timeout = clearTimeout(d3_timer_timeout);

2141 d3_timer_interval = 1;

2142 d3_timer_frame(d3_timer_step);

2143 }

2144 return timer;

2146 function d3_timer_step() {

2147 var now = d3_timer_mark(), delay = d3_timer_sweep() - now;

2148 if (delay > 24) {

2149 if (isFinite(delay)) {

2150 clearTimeout(d3_timer_timeout);

2151 d3_timer_timeout = setTimeout(d3_timer_step, delay);

2152 }

2153 d3_timer_interval = 0;

2154 } else {

2155 d3_timer_interval = 1;

2156 d3_timer_frame(d3_timer_step);

2157 }

2159 d3.timer.flush = function() {

2160 d3_timer_mark();

2161 d3_timer_sweep();

2162 };

2163 function d3_timer_mark() {

2164 var now = Date.now(), timer = d3_timer_queueHead;

2165 while (timer) {

2166 if (now >= timer.t && timer.c(now - timer.t)) timer.c = null;

2167 timer = timer.n;

2168 }

2169 return now;

2171 function d3_timer_sweep() {

2172 var t0, t1 = d3_timer_queueHead, time = Infinity;

2173 while (t1) {

2174 if (t1.c) {

2175 if (t1.t < time) time = t1.t;

2176 t1 = (t0 = t1).n;

2177 } else {

2178 t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n;

2179 }

2180 }

2181 d3_timer_queueTail = t0;

2182 return time;

2184 function d3_format_precision(x, p) {

2185 return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);

2187 d3.round = function(x, n) {

2188 return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);

2189 };

2190 var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);

2191 d3.formatPrefix = function(value, precision) {

2192 var i = 0;

2193 if (value = +value) {

2194 if (value < 0) value *= -1;

2195 if (precision) value = d3.round(value, d3_format_precision(value, precision));

2196 i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);

2197 i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3));

2198 }

2199 return d3_formatPrefixes[8 + i / 3];

2200 };

2201 function d3_formatPrefix(d, i) {

2202 var k = Math.pow(10, abs(8 - i) * 3);

2203 return {

2204 scale: i > 8 ? function(d) {

2205 return d / k;

2206 } : function(d) {

2207 return d * k;

2208 },

2209 symbol: d

2210 };

2212 function d3_locale_numberFormat(locale) {

2213 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) {

2214 var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0;

2215 while (i > 0 && g > 0) {

2216 if (length + g + 1 > width) g = Math.max(1, width - length);

2217 t.push(value.substring(i -= g, i + g));

2218 if ((length += g + 1) > width) break;

2219 g = locale_grouping[j = (j + 1) % locale_grouping.length];

2220 }

2221 return t.reverse().join(locale_thousands);

2222 } : d3_identity;

2223 return function(specifier) {

2224 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;

2225 if (precision) precision = +precision.substring(1);

2226 if (zfill || fill === "0" && align === "=") {

2227 zfill = fill = "0";

2228 align = "=";

2229 }

2230 switch (type) {

2231 case "n":

2232 comma = true;

2233 type = "g";

2234 break;

2236 case "%":

2237 scale = 100;

2238 suffix = "%";

2239 type = "f";

2240 break;

2242 case "p":

2243 scale = 100;

2244 suffix = "%";

2245 type = "r";

2246 break;

2248 case "b":

2249 case "o":

2250 case "x":

2251 case "X":

2252 if (symbol === "#") prefix = "0" + type.toLowerCase();

2254 case "c":

2255 exponent = false;

2257 case "d":

2258 integer = true;

2259 precision = 0;

2260 break;

2262 case "s":

2263 scale = -1;

2264 type = "r";

2265 break;

2266 }

2267 if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1];

2268 if (type == "r" && !precision) type = "g";

2269 if (precision != null) {

2270 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));

2271 }

2272 type = d3_format_types.get(type) || d3_format_typeDefault;

2273 var zcomma = zfill && comma;

2274 return function(value) {

2275 var fullSuffix = suffix;

2276 if (integer && value % 1) return "";

2277 var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign;

2278 if (scale < 0) {

2279 var unit = d3.formatPrefix(value, precision);

2280 value = unit.scale(value);

2281 fullSuffix = unit.symbol + suffix;

2282 } else {

2283 value *= scale;

2284 }

2285 value = type(value, precision);

2286 var i = value.lastIndexOf("."), before, after;

2287 if (i < 0) {

2288 var j = exponent ? value.lastIndexOf("e") : -1;

2289 if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j);

2290 } else {

2291 before = value.substring(0, i);

2292 after = locale_decimal + value.substring(i + 1);

2293 }

2294 if (!zfill && comma) before = formatGroup(before, Infinity);

2295 var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";

2296 if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity);

2297 negative += prefix;

2298 value = before + after;

2299 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;

2300 };

2301 };

2303 var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;

2304 var d3_format_types = d3.map({

2305 b: function(x) {

2306 return x.toString(2);

2307 },

2308 c: function(x) {

2309 return String.fromCharCode(x);

2310 },

2311 o: function(x) {

2312 return x.toString(8);

2313 },

2314 x: function(x) {

2315 return x.toString(16);

2316 },

2317 X: function(x) {

2318 return x.toString(16).toUpperCase();

2319 },

2320 g: function(x, p) {

2321 return x.toPrecision(p);

2322 },

2323 e: function(x, p) {

2324 return x.toExponential(p);

2325 },

2326 f: function(x, p) {

2327 return x.toFixed(p);

2328 },

2329 r: function(x, p) {

2330 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))));

2331 }

2332 });

2333 function d3_format_typeDefault(x) {

2334 return x + "";

2336 var d3_time = d3.time = {}, d3_date = Date;

2337 function d3_date_utc() {

2338 this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);

2340 d3_date_utc.prototype = {

2341 getDate: function() {

2342 return this._.getUTCDate();

2343 },

2344 getDay: function() {

2345 return this._.getUTCDay();

2346 },

2347 getFullYear: function() {

2348 return this._.getUTCFullYear();

2349 },

2350 getHours: function() {

2351 return this._.getUTCHours();

2352 },

2353 getMilliseconds: function() {

2354 return this._.getUTCMilliseconds();

2355 },

2356 getMinutes: function() {

2357 return this._.getUTCMinutes();

2358 },

2359 getMonth: function() {

2360 return this._.getUTCMonth();

2361 },

2362 getSeconds: function() {

2363 return this._.getUTCSeconds();

2364 },

2365 getTime: function() {

2366 return this._.getTime();

2367 },

2368 getTimezoneOffset: function() {

2369 return 0;

2370 },

2371 valueOf: function() {

2372 return this._.valueOf();

2373 },

2374 setDate: function() {

2375 d3_time_prototype.setUTCDate.apply(this._, arguments);

2376 },

2377 setDay: function() {

2378 d3_time_prototype.setUTCDay.apply(this._, arguments);

2379 },

2380 setFullYear: function() {

2381 d3_time_prototype.setUTCFullYear.apply(this._, arguments);

2382 },

2383 setHours: function() {

2384 d3_time_prototype.setUTCHours.apply(this._, arguments);

2385 },

2386 setMilliseconds: function() {

2387 d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);

2388 },

2389 setMinutes: function() {

2390 d3_time_prototype.setUTCMinutes.apply(this._, arguments);

2391 },

2392 setMonth: function() {

2393 d3_time_prototype.setUTCMonth.apply(this._, arguments);

2394 },

2395 setSeconds: function() {

2396 d3_time_prototype.setUTCSeconds.apply(this._, arguments);

2397 },

2398 setTime: function() {

2399 d3_time_prototype.setTime.apply(this._, arguments);

2400 }

2401 };

2402 var d3_time_prototype = Date.prototype;

2403 function d3_time_interval(local, step, number) {

2404 function round(date) {

2405 var d0 = local(date), d1 = offset(d0, 1);

2406 return date - d0 < d1 - date ? d0 : d1;

2407 }

2408 function ceil(date) {

2409 step(date = local(new d3_date(date - 1)), 1);

2410 return date;

2411 }

2412 function offset(date, k) {

2413 step(date = new d3_date(+date), k);

2414 return date;

2415 }

2416 function range(t0, t1, dt) {

2417 var time = ceil(t0), times = [];

2418 if (dt > 1) {

2419 while (time < t1) {

2420 if (!(number(time) % dt)) times.push(new Date(+time));

2421 step(time, 1);

2422 }

2423 } else {

2424 while (time < t1) times.push(new Date(+time)), step(time, 1);

2425 }

2426 return times;

2427 }

2428 function range_utc(t0, t1, dt) {

2429 try {

2430 d3_date = d3_date_utc;

2431 var utc = new d3_date_utc();

2432 utc._ = t0;

2433 return range(utc, t1, dt);

2434 } finally {

2435 d3_date = Date;

2436 }

2437 }

2438 local.floor = local;

2439 local.round = round;

2440 local.ceil = ceil;

2441 local.offset = offset;

2442 local.range = range;

2443 var utc = local.utc = d3_time_interval_utc(local);

2444 utc.floor = utc;

2445 utc.round = d3_time_interval_utc(round);

2446 utc.ceil = d3_time_interval_utc(ceil);

2447 utc.offset = d3_time_interval_utc(offset);

2448 utc.range = range_utc;

2449 return local;

2451 function d3_time_interval_utc(method) {

2452 return function(date, k) {

2453 try {

2454 d3_date = d3_date_utc;

2455 var utc = new d3_date_utc();

2456 utc._ = date;

2457 return method(utc, k)._;

2458 } finally {

2459 d3_date = Date;

2460 }

2461 };

2463 d3_time.year = d3_time_interval(function(date) {

2464 date = d3_time.day(date);

2465 date.setMonth(0, 1);

2466 return date;

2467 }, function(date, offset) {

2468 date.setFullYear(date.getFullYear() + offset);

2469 }, function(date) {

2470 return date.getFullYear();

2471 });

2472 d3_time.years = d3_time.year.range;

2473 d3_time.years.utc = d3_time.year.utc.range;

2474 d3_time.day = d3_time_interval(function(date) {

2475 var day = new d3_date(2e3, 0);

2476 day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());

2477 return day;

2478 }, function(date, offset) {

2479 date.setDate(date.getDate() + offset);

2480 }, function(date) {

2481 return date.getDate() - 1;

2482 });

2483 d3_time.days = d3_time.day.range;

2484 d3_time.days.utc = d3_time.day.utc.range;

2485 d3_time.dayOfYear = function(date) {

2486 var year = d3_time.year(date);

2487 return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);

2488 };

2489 [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) {

2490 i = 7 - i;

2491 var interval = d3_time[day] = d3_time_interval(function(date) {

2492 (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);

2493 return date;

2494 }, function(date, offset) {

2495 date.setDate(date.getDate() + Math.floor(offset) * 7);

2496 }, function(date) {

2497 var day = d3_time.year(date).getDay();

2498 return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);

2499 });

2500 d3_time[day + "s"] = interval.range;

2501 d3_time[day + "s"].utc = interval.utc.range;

2502 d3_time[day + "OfYear"] = function(date) {

2503 var day = d3_time.year(date).getDay();

2504 return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7);

2505 };

2506 });

2507 d3_time.week = d3_time.sunday;

2508 d3_time.weeks = d3_time.sunday.range;

2509 d3_time.weeks.utc = d3_time.sunday.utc.range;

2510 d3_time.weekOfYear = d3_time.sundayOfYear;

2511 function d3_locale_timeFormat(locale) {

2512 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;

2513 function d3_time_format(template) {

2514 var n = template.length;

2515 function format(date) {

2516 var string = [], i = -1, j = 0, c, p, f;

2517 while (++i < n) {

2518 if (template.charCodeAt(i) === 37) {

2519 string.push(template.slice(j, i));

2520 if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);

2521 if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);

2522 string.push(c);

2523 j = i + 1;

2524 }

2525 }

2526 string.push(template.slice(j, i));

2527 return string.join("");

2528 }

2529 format.parse = function(string) {

2530 var d = {

2531 y: 1900,

2532 m: 0,

2533 d: 1,

2534 H: 0,

2535 M: 0,

2536 S: 0,

2537 L: 0,

2538 Z: null

2539 }, i = d3_time_parse(d, template, string, 0);

2540 if (i != string.length) return null;

2541 if ("p" in d) d.H = d.H % 12 + d.p * 12;

2542 var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)();

2543 if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("W" in d || "U" in d) {

2544 if (!("w" in d)) d.w = "W" in d ? 1 : 0;

2545 date.setFullYear(d.y, 0, 1);

2546 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);

2547 } else date.setFullYear(d.y, d.m, d.d);

2548 date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L);

2549 return localZ ? date._ : date;

2550 };

2551 format.toString = function() {

2552 return template;

2553 };

2554 return format;

2555 }

2556 function d3_time_parse(date, template, string, j) {

2557 var c, p, t, i = 0, n = template.length, m = string.length;

2558 while (i < n) {

2559 if (j >= m) return -1;

2560 c = template.charCodeAt(i++);

2561 if (c === 37) {

2562 t = template.charAt(i++);

2563 p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t];

2564 if (!p || (j = p(date, string, j)) < 0) return -1;

2565 } else if (c != string.charCodeAt(j++)) {

2566 return -1;

2567 }

2568 }

2569 return j;

2570 }

2571 d3_time_format.utc = function(template) {

2572 var local = d3_time_format(template);

2573 function format(date) {

2574 try {

2575 d3_date = d3_date_utc;

2576 var utc = new d3_date();

2577 utc._ = date;

2578 return local(utc);

2579 } finally {

2580 d3_date = Date;

2581 }

2582 }

2583 format.parse = function(string) {

2584 try {

2585 d3_date = d3_date_utc;

2586 var date = local.parse(string);

2587 return date && date._;

2588 } finally {

2589 d3_date = Date;

2590 }

2591 };

2592 format.toString = local.toString;

2593 return format;

2594 };

2595 d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti;

2596 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);

2597 locale_periods.forEach(function(p, i) {

2598 d3_time_periodLookup.set(p.toLowerCase(), i);

2599 });

2600 var d3_time_formats = {

2601 a: function(d) {

2602 return locale_shortDays[d.getDay()];

2603 },

2604 A: function(d) {

2605 return locale_days[d.getDay()];

2606 },

2607 b: function(d) {

2608 return locale_shortMonths[d.getMonth()];

2609 },

2610 B: function(d) {

2611 return locale_months[d.getMonth()];

2612 },

2613 c: d3_time_format(locale_dateTime),

2614 d: function(d, p) {

2615 return d3_time_formatPad(d.getDate(), p, 2);

2616 },

2617 e: function(d, p) {

2618 return d3_time_formatPad(d.getDate(), p, 2);

2619 },

2620 H: function(d, p) {

2621 return d3_time_formatPad(d.getHours(), p, 2);

2622 },

2623 I: function(d, p) {

2624 return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);

2625 },

2626 j: function(d, p) {

2627 return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3);

2628 },

2629 L: function(d, p) {

2630 return d3_time_formatPad(d.getMilliseconds(), p, 3);

2631 },

2632 m: function(d, p) {

2633 return d3_time_formatPad(d.getMonth() + 1, p, 2);

2634 },

2635 M: function(d, p) {

2636 return d3_time_formatPad(d.getMinutes(), p, 2);

2637 },

2638 p: function(d) {

2639 return locale_periods[+(d.getHours() >= 12)];

2640 },

2641 S: function(d, p) {

2642 return d3_time_formatPad(d.getSeconds(), p, 2);

2643 },

2644 U: function(d, p) {

2645 return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2);

2646 },

2647 w: function(d) {

2648 return d.getDay();

2649 },

2650 W: function(d, p) {

2651 return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2);

2652 },

2653 x: d3_time_format(locale_date),

2654 X: d3_time_format(locale_time),

2655 y: function(d, p) {

2656 return d3_time_formatPad(d.getFullYear() % 100, p, 2);

2657 },

2658 Y: function(d, p) {

2659 return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);

2660 },

2661 Z: d3_time_zone,

2662 "%": function() {

2663 return "%";

2664 }

2665 };

2666 var d3_time_parsers = {

2667 a: d3_time_parseWeekdayAbbrev,

2668 A: d3_time_parseWeekday,

2669 b: d3_time_parseMonthAbbrev,

2670 B: d3_time_parseMonth,

2671 c: d3_time_parseLocaleFull,

2672 d: d3_time_parseDay,

2673 e: d3_time_parseDay,

2674 H: d3_time_parseHour24,

2675 I: d3_time_parseHour24,

2676 j: d3_time_parseDayOfYear,

2677 L: d3_time_parseMilliseconds,

2678 m: d3_time_parseMonthNumber,

2679 M: d3_time_parseMinutes,

2680 p: d3_time_parseAmPm,

2681 S: d3_time_parseSeconds,

2682 U: d3_time_parseWeekNumberSunday,

2683 w: d3_time_parseWeekdayNumber,

2684 W: d3_time_parseWeekNumberMonday,

2685 x: d3_time_parseLocaleDate,

2686 X: d3_time_parseLocaleTime,

2687 y: d3_time_parseYear,

2688 Y: d3_time_parseFullYear,

2689 Z: d3_time_parseZone,

2690 "%": d3_time_parseLiteralPercent

2691 };

2692 function d3_time_parseWeekdayAbbrev(date, string, i) {

2693 d3_time_dayAbbrevRe.lastIndex = 0;

2694 var n = d3_time_dayAbbrevRe.exec(string.slice(i));

2695 return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;

2696 }

2697 function d3_time_parseWeekday(date, string, i) {

2698 d3_time_dayRe.lastIndex = 0;

2699 var n = d3_time_dayRe.exec(string.slice(i));

2700 return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;

2701 }

2702 function d3_time_parseMonthAbbrev(date, string, i) {

2703 d3_time_monthAbbrevRe.lastIndex = 0;

2704 var n = d3_time_monthAbbrevRe.exec(string.slice(i));

2705 return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;

2706 }

2707 function d3_time_parseMonth(date, string, i) {

2708 d3_time_monthRe.lastIndex = 0;

2709 var n = d3_time_monthRe.exec(string.slice(i));

2710 return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;

2711 }

2712 function d3_time_parseLocaleFull(date, string, i) {

2713 return d3_time_parse(date, d3_time_formats.c.toString(), string, i);

2714 }

2715 function d3_time_parseLocaleDate(date, string, i) {

2716 return d3_time_parse(date, d3_time_formats.x.toString(), string, i);

2717 }

2718 function d3_time_parseLocaleTime(date, string, i) {

2719 return d3_time_parse(date, d3_time_formats.X.toString(), string, i);

2720 }

2721 function d3_time_parseAmPm(date, string, i) {

2722 var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase());

2723 return n == null ? -1 : (date.p = n, i);

2724 }

2725 return d3_time_format;

2727 var d3_time_formatPads = {

2728 "-": "",

2729 _: " ",

2730 "0": "0"

2731 }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/;

2732 function d3_time_formatPad(value, fill, width) {

2733 var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length;

2734 return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);

2736 function d3_time_formatRe(names) {

2737 return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");

2739 function d3_time_formatLookup(names) {

2740 var map = new d3_Map(), i = -1, n = names.length;

2741 while (++i < n) map.set(names[i].toLowerCase(), i);

2742 return map;

2744 function d3_time_parseWeekdayNumber(date, string, i) {

2745 d3_time_numberRe.lastIndex = 0;

2746 var n = d3_time_numberRe.exec(string.slice(i, i + 1));

2747 return n ? (date.w = +n[0], i + n[0].length) : -1;

2749 function d3_time_parseWeekNumberSunday(date, string, i) {

2750 d3_time_numberRe.lastIndex = 0;

2751 var n = d3_time_numberRe.exec(string.slice(i));

2752 return n ? (date.U = +n[0], i + n[0].length) : -1;

2754 function d3_time_parseWeekNumberMonday(date, string, i) {

2755 d3_time_numberRe.lastIndex = 0;

2756 var n = d3_time_numberRe.exec(string.slice(i));

2757 return n ? (date.W = +n[0], i + n[0].length) : -1;

2759 function d3_time_parseFullYear(date, string, i) {

2760 d3_time_numberRe.lastIndex = 0;

2761 var n = d3_time_numberRe.exec(string.slice(i, i + 4));

2762 return n ? (date.y = +n[0], i + n[0].length) : -1;

2764 function d3_time_parseYear(date, string, i) {

2765 d3_time_numberRe.lastIndex = 0;

2766 var n = d3_time_numberRe.exec(string.slice(i, i + 2));

2767 return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1;

2769 function d3_time_parseZone(date, string, i) {

2770 return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string,

2771 i + 5) : -1;

2773 function d3_time_expandYear(d) {

2774 return d + (d > 68 ? 1900 : 2e3);

2776 function d3_time_parseMonthNumber(date, string, i) {

2777 d3_time_numberRe.lastIndex = 0;

2778 var n = d3_time_numberRe.exec(string.slice(i, i + 2));

2779 return n ? (date.m = n[0] - 1, i + n[0].length) : -1;

2781 function d3_time_parseDay(date, string, i) {

2782 d3_time_numberRe.lastIndex = 0;

2783 var n = d3_time_numberRe.exec(string.slice(i, i + 2));

2784 return n ? (date.d = +n[0], i + n[0].length) : -1;

2786 function d3_time_parseDayOfYear(date, string, i) {

2787 d3_time_numberRe.lastIndex = 0;

2788 var n = d3_time_numberRe.exec(string.slice(i, i + 3));

2789 return n ? (date.j = +n[0], i + n[0].length) : -1;

2791 function d3_time_parseHour24(date, string, i) {

2792 d3_time_numberRe.lastIndex = 0;

2793 var n = d3_time_numberRe.exec(string.slice(i, i + 2));

2794 return n ? (date.H = +n[0], i + n[0].length) : -1;

2796 function d3_time_parseMinutes(date, string, i) {

2797 d3_time_numberRe.lastIndex = 0;

2798 var n = d3_time_numberRe.exec(string.slice(i, i + 2));

2799 return n ? (date.M = +n[0], i + n[0].length) : -1;

2801 function d3_time_parseSeconds(date, string, i) {

2802 d3_time_numberRe.lastIndex = 0;

2803 var n = d3_time_numberRe.exec(string.slice(i, i + 2));

2804 return n ? (date.S = +n[0], i + n[0].length) : -1;

2806 function d3_time_parseMilliseconds(date, string, i) {

2807 d3_time_numberRe.lastIndex = 0;

2808 var n = d3_time_numberRe.exec(string.slice(i, i + 3));

2809 return n ? (date.L = +n[0], i + n[0].length) : -1;

2811 function d3_time_zone(d) {

2812 var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60;

2813 return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);

2815 function d3_time_parseLiteralPercent(date, string, i) {

2816 d3_time_percentRe.lastIndex = 0;

2817 var n = d3_time_percentRe.exec(string.slice(i, i + 1));

2818 return n ? i + n[0].length : -1;

2820 function d3_time_formatMulti(formats) {

2821 var n = formats.length, i = -1;

2822 while (++i < n) formats[i][0] = this(formats[i][0]);

2823 return function(date) {

2824 var i = 0, f = formats[i];

2825 while (!f[1](date)) f = formats[++i];

2826 return f[0](date);

2827 };

2829 d3.locale = function(locale) {

2830 return {

2831 numberFormat: d3_locale_numberFormat(locale),

2832 timeFormat: d3_locale_timeFormat(locale)

2833 };

2834 };

2835 var d3_locale_enUS = d3.locale({

2836 decimal: ".",

2837 thousands: ",",

2838 grouping: [ 3 ],

2839 currency: [ "$", "" ],

2840 dateTime: "%a %b %e %X %Y",

2841 date: "%m/%d/%Y",

2842 time: "%H:%M:%S",

2843 periods: [ "AM", "PM" ],

2844 days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ],

2845 shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ],

2846 months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ],

2847 shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]

2848 });

2849 d3.format = d3_locale_enUS.numberFormat;

2850 d3.geo = {};

2851 function d3_adder() {}

2852 d3_adder.prototype = {

2853 s: 0,

2854 t: 0,

2855 add: function(y) {

2856 d3_adderSum(y, this.t, d3_adderTemp);

2857 d3_adderSum(d3_adderTemp.s, this.s, this);

2858 if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t;

2859 },

2860 reset: function() {

2861 this.s = this.t = 0;

2862 },

2863 valueOf: function() {

2864 return this.s;

2865 }

2866 };

2867 var d3_adderTemp = new d3_adder();

2868 function d3_adderSum(a, b, o) {

2869 var x = o.s = a + b, bv = x - a, av = x - bv;

2870 o.t = a - av + (b - bv);

2872 d3.geo.stream = function(object, listener) {

2873 if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {

2874 d3_geo_streamObjectType[object.type](object, listener);

2875 } else {

2876 d3_geo_streamGeometry(object, listener);

2877 }

2878 };

2879 function d3_geo_streamGeometry(geometry, listener) {

2880 if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {

2881 d3_geo_streamGeometryType[geometry.type](geometry, listener);

2882 }

2884 var d3_geo_streamObjectType = {

2885 Feature: function(feature, listener) {

2886 d3_geo_streamGeometry(feature.geometry, listener);

2887 },

2888 FeatureCollection: function(object, listener) {

2889 var features = object.features, i = -1, n = features.length;

2890 while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);

2891 }

2892 };

2893 var d3_geo_streamGeometryType = {

2894 Sphere: function(object, listener) {

2895 listener.sphere();

2896 },

2897 Point: function(object, listener) {

2898 object = object.coordinates;

2899 listener.point(object[0], object[1], object[2]);

2900 },

2901 MultiPoint: function(object, listener) {

2902 var coordinates = object.coordinates, i = -1, n = coordinates.length;

2903 while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]);

2904 },

2905 LineString: function(object, listener) {

2906 d3_geo_streamLine(object.coordinates, listener, 0);

2907 },

2908 MultiLineString: function(object, listener) {

2909 var coordinates = object.coordinates, i = -1, n = coordinates.length;

2910 while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);

2911 },

2912 Polygon: function(object, listener) {

2913 d3_geo_streamPolygon(object.coordinates, listener);

2914 },

2915 MultiPolygon: function(object, listener) {

2916 var coordinates = object.coordinates, i = -1, n = coordinates.length;

2917 while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);

2918 },

2919 GeometryCollection: function(object, listener) {

2920 var geometries = object.geometries, i = -1, n = geometries.length;

2921 while (++i < n) d3_geo_streamGeometry(geometries[i], listener);

2922 }

2923 };

2924 function d3_geo_streamLine(coordinates, listener, closed) {

2925 var i = -1, n = coordinates.length - closed, coordinate;

2926 listener.lineStart();

2927 while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]);

2928 listener.lineEnd();

2930 function d3_geo_streamPolygon(coordinates, listener) {

2931 var i = -1, n = coordinates.length;

2932 listener.polygonStart();

2933 while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);

2934 listener.polygonEnd();

2936 d3.geo.area = function(object) {

2937 d3_geo_areaSum = 0;

2938 d3.geo.stream(object, d3_geo_area);

2939 return d3_geo_areaSum;

2940 };

2941 var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder();

2942 var d3_geo_area = {

2943 sphere: function() {

2944 d3_geo_areaSum += 4 * π;

2945 },

2946 point: d3_noop,

2947 lineStart: d3_noop,

2948 lineEnd: d3_noop,

2949 polygonStart: function() {

2950 d3_geo_areaRingSum.reset();

2951 d3_geo_area.lineStart = d3_geo_areaRingStart;

2952 },

2953 polygonEnd: function() {

2954 var area = 2 * d3_geo_areaRingSum;

2955 d3_geo_areaSum += area < 0 ? 4 * π + area : area;

2956 d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;

2957 }

2958 };

2959 function d3_geo_areaRingStart() {

2960 var λ00, φ00, λ0, cosφ0, sinφ0;

2961 d3_geo_area.point = function(λ, φ) {

2962 d3_geo_area.point = nextPoint;

2963 λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4),

2964 sinφ0 = Math.sin(φ);

2965 };

2966 function nextPoint(λ, φ) {

2967 λ *= d3_radians;

2968 φ = φ * d3_radians / 2 + π / 4;

2969 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);

2970 d3_geo_areaRingSum.add(Math.atan2(v, u));

2971 λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;

2972 }

2973 d3_geo_area.lineEnd = function() {

2974 nextPoint(λ00, φ00);

2975 };

2977 function d3_geo_cartesian(spherical) {

2978 var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);

2979 return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];

2981 function d3_geo_cartesianDot(a, b) {

2982 return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];

2984 function d3_geo_cartesianCross(a, b) {

2985 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] ];

2987 function d3_geo_cartesianAdd(a, b) {

2988 a[0] += b[0];

2989 a[1] += b[1];

2990 a[2] += b[2];

2992 function d3_geo_cartesianScale(vector, k) {

2993 return [ vector[0] * k, vector[1] * k, vector[2] * k ];

2995 function d3_geo_cartesianNormalize(d) {

2996 var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);

2997 d[0] /= l;

2998 d[1] /= l;

2999 d[2] /= l;

3001 function d3_geo_spherical(cartesian) {

3002 return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ];

3004 function d3_geo_sphericalEqual(a, b) {

3005 return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε;

3007 d3.geo.bounds = function() {

3008 var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range;

3009 var bound = {

3010 point: point,

3011 lineStart: lineStart,

3012 lineEnd: lineEnd,

3013 polygonStart: function() {

3014 bound.point = ringPoint;

3015 bound.lineStart = ringStart;

3016 bound.lineEnd = ringEnd;

3017 dλSum = 0;

3018 d3_geo_area.polygonStart();

3019 },

3020 polygonEnd: function() {

3021 d3_geo_area.polygonEnd();

3022 bound.point = point;

3023 bound.lineStart = lineStart;

3024 bound.lineEnd = lineEnd;

3025 if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90;

3026 range[0] = λ0, range[1] = λ1;

3027 }

3028 };

3029 function point(λ, φ) {

3030 ranges.push(range = [ λ0 = λ, λ1 = λ ]);

3031 if (φ < φ0) φ0 = φ;

3032 if (φ > φ1) φ1 = φ;

3033 }

3034 function linePoint(λ, φ) {

3035 var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]);

3036 if (p0) {

3037 var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal);

3038 d3_geo_cartesianNormalize(inflection);

3039 inflection = d3_geo_spherical(inflection);

3040 var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180;

3041 if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) {

3042 var φi = inflection[1] * d3_degrees;

3043 if (φi > φ1) φ1 = φi;

3044 } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) {

3045 var φi = -inflection[1] * d3_degrees;

3046 if (φi < φ0) φ0 = φi;

3047 } else {

3048 if (φ < φ0) φ0 = φ;

3049 if (φ > φ1) φ1 = φ;

3050 }

3051 if (antimeridian) {

3052 if (λ < λ_) {

3053 if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;

3054 } else {

3055 if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;

3056 }

3057 } else {

3058 if (λ1 >= λ0) {

3059 if (λ < λ0) λ0 = λ;

3060 if (λ > λ1) λ1 = λ;

3061 } else {

3062 if (λ > λ_) {

3063 if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;

3064 } else {

3065 if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;

3066 }

3067 }

3068 }

3069 } else {

3070 point(λ, φ);

3071 }

3072 p0 = p, λ_ = λ;

3073 }

3074 function lineStart() {

3075 bound.point = linePoint;

3076 }

3077 function lineEnd() {

3078 range[0] = λ0, range[1] = λ1;

3079 bound.point = point;

3080 p0 = null;

3081 }

3082 function ringPoint(λ, φ) {

3083 if (p0) {

3084 var dλ = λ - λ_;

3085 dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ;

3086 } else λ__ = λ, φ__ = φ;

3087 d3_geo_area.point(λ, φ);

3088 linePoint(λ, φ);

3089 }

3090 function ringStart() {

3091 d3_geo_area.lineStart();

3092 }

3093 function ringEnd() {

3094 ringPoint(λ__, φ__);

3095 d3_geo_area.lineEnd();

3096 if (abs(dλSum) > ε) λ0 = -(λ1 = 180);

3097 range[0] = λ0, range[1] = λ1;

3098 p0 = null;

3099 }

3100 function angle(λ0, λ1) {

3101 return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1;

3102 }

3103 function compareRanges(a, b) {

3104 return a[0] - b[0];

3105 }

3106 function withinRange(x, range) {

3107 return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;

3108 }

3109 return function(feature) {

3110 φ1 = λ1 = -(λ0 = φ0 = Infinity);

3111 ranges = [];

3112 d3.geo.stream(feature, bound);

3113 var n = ranges.length;

3114 if (n) {

3115 ranges.sort(compareRanges);

3116 for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) {

3117 b = ranges[i];

3118 if (withinRange(b[0], a) || withinRange(b[1], a)) {

3119 if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];

3120 if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];

3121 } else {

3122 merged.push(a = b);

3123 }

3124 }

3125 var best = -Infinity, dλ;

3126 for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) {

3127 b = merged[i];

3128 if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1];

3129 }

3130 }

3131 ranges = range = null;

3132 return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ];

3133 };

3134 }();

3135 d3.geo.centroid = function(object) {

3136 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;

3137 d3.geo.stream(object, d3_geo_centroid);

3138 var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z;

3139 if (m < ε2) {

3140 x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1;

3141 if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0;

3142 m = x * x + y * y + z * z;

3143 if (m < ε2) return [ NaN, NaN ];

3144 }

3145 return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ];

3146 };

3147 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;

3148 var d3_geo_centroid = {

3149 sphere: d3_noop,

3150 point: d3_geo_centroidPoint,

3151 lineStart: d3_geo_centroidLineStart,

3152 lineEnd: d3_geo_centroidLineEnd,

3153 polygonStart: function() {

3154 d3_geo_centroid.lineStart = d3_geo_centroidRingStart;

3155 },

3156 polygonEnd: function() {

3157 d3_geo_centroid.lineStart = d3_geo_centroidLineStart;

3158 }

3159 };

3160 function d3_geo_centroidPoint(λ, φ) {

3161 λ *= d3_radians;

3162 var cosφ = Math.cos(φ *= d3_radians);

3163 d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ));

3165 function d3_geo_centroidPointXYZ(x, y, z) {

3166 ++d3_geo_centroidW0;

3167 d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0;

3168 d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0;

3169 d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0;

3171 function d3_geo_centroidLineStart() {

3172 var x0, y0, z0;

3173 d3_geo_centroid.point = function(λ, φ) {

3174 λ *= d3_radians;

3175 var cosφ = Math.cos(φ *= d3_radians);

3176 x0 = cosφ * Math.cos(λ);

3177 y0 = cosφ * Math.sin(λ);

3178 z0 = Math.sin(φ);

3179 d3_geo_centroid.point = nextPoint;

3180 d3_geo_centroidPointXYZ(x0, y0, z0);

3181 };

3182 function nextPoint(λ, φ) {

3183 λ *= d3_radians;

3184 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);

3185 d3_geo_centroidW1 += w;

3186 d3_geo_centroidX1 += w * (x0 + (x0 = x));

3187 d3_geo_centroidY1 += w * (y0 + (y0 = y));

3188 d3_geo_centroidZ1 += w * (z0 + (z0 = z));

3189 d3_geo_centroidPointXYZ(x0, y0, z0);

3190 }

3192 function d3_geo_centroidLineEnd() {

3193 d3_geo_centroid.point = d3_geo_centroidPoint;

3195 function d3_geo_centroidRingStart() {

3196 var λ00, φ00, x0, y0, z0;

3197 d3_geo_centroid.point = function(λ, φ) {

3198 λ00 = λ, φ00 = φ;

3199 d3_geo_centroid.point = nextPoint;

3200 λ *= d3_radians;

3201 var cosφ = Math.cos(φ *= d3_radians);

3202 x0 = cosφ * Math.cos(λ);

3203 y0 = cosφ * Math.sin(λ);

3204 z0 = Math.sin(φ);

3205 d3_geo_centroidPointXYZ(x0, y0, z0);

3206 };

3207 d3_geo_centroid.lineEnd = function() {

3208 nextPoint(λ00, φ00);

3209 d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;

3210 d3_geo_centroid.point = d3_geo_centroidPoint;

3211 };

3212 function nextPoint(λ, φ) {

3213 λ *= d3_radians;

3214 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);

3215 d3_geo_centroidX2 += v * cx;

3216 d3_geo_centroidY2 += v * cy;

3217 d3_geo_centroidZ2 += v * cz;

3218 d3_geo_centroidW1 += w;

3219 d3_geo_centroidX1 += w * (x0 + (x0 = x));

3220 d3_geo_centroidY1 += w * (y0 + (y0 = y));

3221 d3_geo_centroidZ1 += w * (z0 + (z0 = z));

3222 d3_geo_centroidPointXYZ(x0, y0, z0);

3223 }

3225 function d3_geo_compose(a, b) {

3226 function compose(x, y) {

3227 return x = a(x, y), b(x[0], x[1]);

3228 }

3229 if (a.invert && b.invert) compose.invert = function(x, y) {

3230 return x = b.invert(x, y), x && a.invert(x[0], x[1]);

3231 };

3232 return compose;

3234 function d3_true() {

3235 return true;

3237 function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) {

3238 var subject = [], clip = [];

3239 segments.forEach(function(segment) {

3240 if ((n = segment.length - 1) <= 0) return;

3241 var n, p0 = segment[0], p1 = segment[n];

3242 if (d3_geo_sphericalEqual(p0, p1)) {

3243 listener.lineStart();

3244 for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);

3245 listener.lineEnd();

3246 return;

3247 }

3248 var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false);

3249 a.o = b;

3250 subject.push(a);

3251 clip.push(b);

3252 a = new d3_geo_clipPolygonIntersection(p1, segment, null, false);

3253 b = new d3_geo_clipPolygonIntersection(p1, null, a, true);

3254 a.o = b;

3255 subject.push(a);

3256 clip.push(b);

3257 });

3258 clip.sort(compare);

3259 d3_geo_clipPolygonLinkCircular(subject);

3260 d3_geo_clipPolygonLinkCircular(clip);

3261 if (!subject.length) return;

3262 for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) {

3263 clip[i].e = entry = !entry;

3264 }

3265 var start = subject[0], points, point;

3266 while (1) {

3267 var current = start, isSubject = true;

3268 while (current.v) if ((current = current.n) === start) return;

3269 points = current.z;

3270 listener.lineStart();

3271 do {

3272 current.v = current.o.v = true;

3273 if (current.e) {

3274 if (isSubject) {

3275 for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]);

3276 } else {

3277 interpolate(current.x, current.n.x, 1, listener);

3278 }

3279 current = current.n;

3280 } else {

3281 if (isSubject) {

3282 points = current.p.z;

3283 for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]);

3284 } else {

3285 interpolate(current.x, current.p.x, -1, listener);

3286 }

3287 current = current.p;

3288 }

3289 current = current.o;

3290 points = current.z;

3291 isSubject = !isSubject;

3292 } while (!current.v);

3293 listener.lineEnd();

3294 }

3296 function d3_geo_clipPolygonLinkCircular(array) {

3297 if (!(n = array.length)) return;

3298 var n, i = 0, a = array[0], b;

3299 while (++i < n) {

3300 a.n = b = array[i];

3301 b.p = a;

3302 a = b;

3303 }

3304 a.n = b = array[0];

3305 b.p = a;

3307 function d3_geo_clipPolygonIntersection(point, points, other, entry) {

3308 this.x = point;

3309 this.z = points;

3310 this.o = other;

3311 this.e = entry;

3312 this.v = false;

3313 this.n = this.p = null;

3315 function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) {

3316 return function(rotate, listener) {

3317 var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]);

3318 var clip = {

3319 point: point,

3320 lineStart: lineStart,

3321 lineEnd: lineEnd,

3322 polygonStart: function() {

3323 clip.point = pointRing;

3324 clip.lineStart = ringStart;

3325 clip.lineEnd = ringEnd;

3326 segments = [];

3327 polygon = [];

3328 },

3329 polygonEnd: function() {

3330 clip.point = point;

3331 clip.lineStart = lineStart;

3332 clip.lineEnd = lineEnd;

3333 segments = d3.merge(segments);

3334 var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon);

3335 if (segments.length) {

3336 if (!polygonStarted) listener.polygonStart(), polygonStarted = true;

3337 d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener);

3338 } else if (clipStartInside) {

3339 if (!polygonStarted) listener.polygonStart(), polygonStarted = true;

3340 listener.lineStart();

3341 interpolate(null, null, 1, listener);

3342 listener.lineEnd();

3343 }

3344 if (polygonStarted) listener.polygonEnd(), polygonStarted = false;

3345 segments = polygon = null;

3346 },

3347 sphere: function() {

3348 listener.polygonStart();

3349 listener.lineStart();

3350 interpolate(null, null, 1, listener);

3351 listener.lineEnd();

3352 listener.polygonEnd();

3353 }

3354 };

3355 function point(λ, φ) {

3356 var point = rotate(λ, φ);

3357 if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ);

3358 }

3359 function pointLine(λ, φ) {

3360 var point = rotate(λ, φ);

3361 line.point(point[0], point[1]);

3362 }

3363 function lineStart() {

3364 clip.point = pointLine;

3365 line.lineStart();

3366 }

3367 function lineEnd() {

3368 clip.point = point;

3369 line.lineEnd();

3370 }

3371 var segments;

3372 var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring;

3373 function pointRing(λ, φ) {

3374 ring.push([ λ, φ ]);

3375 var point = rotate(λ, φ);

3376 ringListener.point(point[0], point[1]);

3377 }

3378 function ringStart() {

3379 ringListener.lineStart();

3380 ring = [];

3381 }

3382 function ringEnd() {

3383 pointRing(ring[0][0], ring[0][1]);

3384 ringListener.lineEnd();

3385 var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;

3386 ring.pop();

3387 polygon.push(ring);

3388 ring = null;

3389 if (!n) return;

3390 if (clean & 1) {

3391 segment = ringSegments[0];

3392 var n = segment.length - 1, i = -1, point;

3393 if (n > 0) {

3394 if (!polygonStarted) listener.polygonStart(), polygonStarted = true;

3395 listener.lineStart();

3396 while (++i < n) listener.point((point = segment[i])[0], point[1]);

3397 listener.lineEnd();

3398 }

3399 return;

3400 }

3401 if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));

3402 segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));

3403 }

3404 return clip;

3405 };

3407 function d3_geo_clipSegmentLength1(segment) {

3408 return segment.length > 1;

3410 function d3_geo_clipBufferListener() {

3411 var lines = [], line;

3412 return {

3413 lineStart: function() {

3414 lines.push(line = []);

3415 },

3416 point: function(λ, φ) {

3417 line.push([ λ, φ ]);

3418 },

3419 lineEnd: d3_noop,

3420 buffer: function() {

3421 var buffer = lines;

3422 lines = [];

3423 line = null;

3424 return buffer;

3425 },

3426 rejoin: function() {

3427 if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));

3428 }

3429 };

3431 function d3_geo_clipSort(a, b) {

3432 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]);

3434 var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]);

3435 function d3_geo_clipAntimeridianLine(listener) {

3436 var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;

3437 return {

3438 lineStart: function() {

3439 listener.lineStart();

3440 clean = 1;

3441 },

3442 point: function(λ1, φ1) {

3443 var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0);

3444 if (abs(dλ - π) < ε) {

3445 listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ);

3446 listener.point(sλ0, φ0);

3447 listener.lineEnd();

3448 listener.lineStart();

3449 listener.point(sλ1, φ0);

3450 listener.point(λ1, φ0);

3451 clean = 0;

3452 } else if (sλ0 !== sλ1 && dλ >= π) {

3453 if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;

3454 if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;

3455 φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);

3456 listener.point(sλ0, φ0);

3457 listener.lineEnd();

3458 listener.lineStart();

3459 listener.point(sλ1, φ0);

3460 clean = 0;

3461 }

3462 listener.point(λ0 = λ1, φ0 = φ1);

3463 sλ0 = sλ1;

3464 },

3465 lineEnd: function() {

3466 listener.lineEnd();

3467 λ0 = φ0 = NaN;

3468 },

3469 clean: function() {

3470 return 2 - clean;

3471 }

3472 };

3474 function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {

3475 var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);

3476 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;

3478 function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {

3479 var φ;

3480 if (from == null) {

3481 φ = direction * halfπ;

3482 listener.point(-π, φ);

3483 listener.point(0, φ);

3484 listener.point(π, φ);

3485 listener.point(π, 0);

3486 listener.point(π, -φ);

3487 listener.point(0, -φ);

3488 listener.point(-π, -φ);

3489 listener.point(-π, 0);

3490 listener.point(-π, φ);

3491 } else if (abs(from[0] - to[0]) > ε) {

3492 var s = from[0] < to[0] ? π : -π;

3493 φ = direction * s / 2;

3494 listener.point(-s, φ);

3495 listener.point(0, φ);

3496 listener.point(s, φ);

3497 } else {

3498 listener.point(to[0], to[1]);

3499 }

3501 function d3_geo_pointInPolygon(point, polygon) {

3502 var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0;

3503 d3_geo_areaRingSum.reset();

3504 for (var i = 0, n = polygon.length; i < n; ++i) {

3505 var ring = polygon[i], m = ring.length;

3506 if (!m) continue;

3507 var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1;

3508 while (true) {

3509 if (j === m) j = 0;

3510 point = ring[j];

3511 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;

3512 d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ)));

3513 polarAngle += antimeridian ? dλ + sdλ * τ : dλ;

3514 if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) {

3515 var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point));

3516 d3_geo_cartesianNormalize(arc);

3517 var intersection = d3_geo_cartesianCross(meridianNormal, arc);

3518 d3_geo_cartesianNormalize(intersection);

3519 var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]);

3520 if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) {

3521 winding += antimeridian ^ dλ >= 0 ? 1 : -1;

3522 }

3523 }

3524 if (!j++) break;

3525 λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point;

3526 }

3527 }

3528 return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < -ε) ^ winding & 1;

3530 function d3_geo_clipCircle(radius) {

3531 var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);

3532 return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]);

3533 function visible(λ, φ) {

3534 return Math.cos(λ) * Math.cos(φ) > cr;

3535 }

3536 function clipLine(listener) {

3537 var point0, c0, v0, v00, clean;

3538 return {

3539 lineStart: function() {

3540 v00 = v0 = false;

3541 clean = 1;

3542 },

3543 point: function(λ, φ) {

3544 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;

3545 if (!point0 && (v00 = v0 = v)) listener.lineStart();

3546 if (v !== v0) {

3547 point2 = intersect(point0, point1);

3548 if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {

3549 point1[0] += ε;

3550 point1[1] += ε;

3551 v = visible(point1[0], point1[1]);

3552 }

3553 }

3554 if (v !== v0) {

3555 clean = 0;

3556 if (v) {

3557 listener.lineStart();

3558 point2 = intersect(point1, point0);

3559 listener.point(point2[0], point2[1]);

3560 } else {

3561 point2 = intersect(point0, point1);

3562 listener.point(point2[0], point2[1]);

3563 listener.lineEnd();

3564 }

3565 point0 = point2;

3566 } else if (notHemisphere && point0 && smallRadius ^ v) {

3567 var t;

3568 if (!(c & c0) && (t = intersect(point1, point0, true))) {

3569 clean = 0;

3570 if (smallRadius) {

3571 listener.lineStart();

3572 listener.point(t[0][0], t[0][1]);

3573 listener.point(t[1][0], t[1][1]);

3574 listener.lineEnd();

3575 } else {

3576 listener.point(t[1][0], t[1][1]);

3577 listener.lineEnd();

3578 listener.lineStart();

3579 listener.point(t[0][0], t[0][1]);

3580 }

3581 }

3582 }

3583 if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {

3584 listener.point(point1[0], point1[1]);

3585 }

3586 point0 = point1, v0 = v, c0 = c;

3587 },

3588 lineEnd: function() {

3589 if (v0) listener.lineEnd();

3590 point0 = null;

3591 },

3592 clean: function() {

3593 return clean | (v00 && v0) << 1;

3594 }

3595 };

3596 }

3597 function intersect(a, b, two) {

3598 var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);

3599 var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;

3600 if (!determinant) return !two && a;

3601 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);

3602 d3_geo_cartesianAdd(A, B);

3603 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);

3604 if (t2 < 0) return;

3605 var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);

3606 d3_geo_cartesianAdd(q, A);

3607 q = d3_geo_spherical(q);

3608 if (!two) return q;

3609 var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;

3610 if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;

3611 var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε;

3612 if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;

3613 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)) {

3614 var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);

3615 d3_geo_cartesianAdd(q1, A);

3616 return [ q, d3_geo_spherical(q1) ];

3617 }

3618 }

3619 function code(λ, φ) {

3620 var r = smallRadius ? radius : π - radius, code = 0;

3621 if (λ < -r) code |= 1; else if (λ > r) code |= 2;

3622 if (φ < -r) code |= 4; else if (φ > r) code |= 8;

3623 return code;

3624 }

3626 function d3_geom_clipLine(x0, y0, x1, y1) {

3627 return function(line) {

3628 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;

3629 r = x0 - ax;

3630 if (!dx && r > 0) return;

3631 r /= dx;

3632 if (dx < 0) {

3633 if (r < t0) return;

3634 if (r < t1) t1 = r;

3635 } else if (dx > 0) {

3636 if (r > t1) return;

3637 if (r > t0) t0 = r;

3638 }

3639 r = x1 - ax;

3640 if (!dx && r < 0) return;

3641 r /= dx;

3642 if (dx < 0) {

3643 if (r > t1) return;

3644 if (r > t0) t0 = r;

3645 } else if (dx > 0) {

3646 if (r < t0) return;

3647 if (r < t1) t1 = r;

3648 }

3649 r = y0 - ay;

3650 if (!dy && r > 0) return;

3651 r /= dy;

3652 if (dy < 0) {

3653 if (r < t0) return;

3654 if (r < t1) t1 = r;

3655 } else if (dy > 0) {

3656 if (r > t1) return;

3657 if (r > t0) t0 = r;

3658 }

3659 r = y1 - ay;

3660 if (!dy && r < 0) return;

3661 r /= dy;

3662 if (dy < 0) {

3663 if (r > t1) return;

3664 if (r > t0) t0 = r;

3665 } else if (dy > 0) {

3666 if (r < t0) return;

3667 if (r < t1) t1 = r;

3668 }

3669 if (t0 > 0) line.a = {

3670 x: ax + t0 * dx,

3671 y: ay + t0 * dy

3672 };

3673 if (t1 < 1) line.b = {

3674 x: ax + t1 * dx,

3675 y: ay + t1 * dy

3676 };

3677 return line;

3678 };

3680 var d3_geo_clipExtentMAX = 1e9;

3681 d3.geo.clipExtent = function() {

3682 var x0, y0, x1, y1, stream, clip, clipExtent = {

3683 stream: function(output) {

3684 if (stream) stream.valid = false;

3685 stream = clip(output);

3686 stream.valid = true;

3687 return stream;

3688 },

3689 extent: function(_) {

3690 if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];

3691 clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]);

3692 if (stream) stream.valid = false, stream = null;

3693 return clipExtent;

3694 }

3695 };

3696 return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]);

3697 };

3698 function d3_geo_clipExtent(x0, y0, x1, y1) {

3699 return function(listener) {

3700 var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring;

3701 var clip = {

3702 point: point,

3703 lineStart: lineStart,

3704 lineEnd: lineEnd,

3705 polygonStart: function() {

3706 listener = bufferListener;

3707 segments = [];

3708 polygon = [];

3709 clean = true;

3710 },

3711 polygonEnd: function() {

3712 listener = listener_;

3713 segments = d3.merge(segments);

3714 var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length;

3715 if (inside || visible) {

3716 listener.polygonStart();

3717 if (inside) {

3718 listener.lineStart();

3719 interpolate(null, null, 1, listener);

3720 listener.lineEnd();

3721 }

3722 if (visible) {

3723 d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener);

3724 }

3725 listener.polygonEnd();

3726 }

3727 segments = polygon = ring = null;

3728 }

3729 };

3730 function insidePolygon(p) {

3731 var wn = 0, n = polygon.length, y = p[1];

3732 for (var i = 0; i < n; ++i) {

3733 for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) {

3734 b = v[j];

3735 if (a[1] <= y) {

3736 if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn;

3737 } else {

3738 if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn;

3739 }

3740 a = b;

3741 }

3742 }

3743 return wn !== 0;

3744 }

3745 function interpolate(from, to, direction, listener) {

3746 var a = 0, a1 = 0;

3747 if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {

3748 do {

3749 listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);

3750 } while ((a = (a + direction + 4) % 4) !== a1);

3751 } else {

3752 listener.point(to[0], to[1]);

3753 }

3754 }

3755 function pointVisible(x, y) {

3756 return x0 <= x && x <= x1 && y0 <= y && y <= y1;

3757 }

3758 function point(x, y) {

3759 if (pointVisible(x, y)) listener.point(x, y);

3760 }

3761 var x__, y__, v__, x_, y_, v_, first, clean;

3762 function lineStart() {

3763 clip.point = linePoint;

3764 if (polygon) polygon.push(ring = []);

3765 first = true;

3766 v_ = false;

3767 x_ = y_ = NaN;

3768 }

3769 function lineEnd() {

3770 if (segments) {

3771 linePoint(x__, y__);

3772 if (v__ && v_) bufferListener.rejoin();

3773 segments.push(bufferListener.buffer());

3774 }

3775 clip.point = point;

3776 if (v_) listener.lineEnd();

3777 }

3778 function linePoint(x, y) {

3779 x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x));

3780 y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y));

3781 var v = pointVisible(x, y);

3782 if (polygon) ring.push([ x, y ]);

3783 if (first) {

3784 x__ = x, y__ = y, v__ = v;

3785 first = false;

3786 if (v) {

3787 listener.lineStart();

3788 listener.point(x, y);

3789 }

3790 } else {

3791 if (v && v_) listener.point(x, y); else {

3792 var l = {

3793 a: {

3794 x: x_,

3795 y: y_

3796 },

3797 b: {

3798 x: x,

3799 y: y

3800 }

3801 };

3802 if (clipLine(l)) {

3803 if (!v_) {

3804 listener.lineStart();

3805 listener.point(l.a.x, l.a.y);

3806 }

3807 listener.point(l.b.x, l.b.y);

3808 if (!v) listener.lineEnd();

3809 clean = false;

3810 } else if (v) {

3811 listener.lineStart();

3812 listener.point(x, y);

3813 clean = false;

3814 }

3815 }

3816 }

3817 x_ = x, y_ = y, v_ = v;

3818 }

3819 return clip;

3820 };

3821 function corner(p, direction) {

3822 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;

3823 }

3824 function compare(a, b) {

3825 return comparePoints(a.x, b.x);

3826 }

3827 function comparePoints(a, b) {

3828 var ca = corner(a, 1), cb = corner(b, 1);

3829 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];

3830 }

3832 function d3_geo_conic(projectAt) {

3833 var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);

3834 p.parallels = function(_) {

3835 if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];

3836 return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);

3837 };

3838 return p;

3840 function d3_geo_conicEqualArea(φ0, φ1) {

3841 var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;

3842 function forward(λ, φ) {

3843 var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;

3844 return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];

3845 }

3846 forward.invert = function(x, y) {

3847 var ρ0_y = ρ0 - y;

3848 return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];

3849 };

3850 return forward;

3852 (d3.geo.conicEqualArea = function() {

3853 return d3_geo_conic(d3_geo_conicEqualArea);

3854 }).raw = d3_geo_conicEqualArea;

3855 d3.geo.albers = function() {

3856 return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070);

3857 };

3858 d3.geo.albersUsa = function() {

3859 var lower48 = d3.geo.albers();

3860 var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]);

3861 var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]);

3862 var point, pointStream = {

3863 point: function(x, y) {

3864 point = [ x, y ];

3865 }

3866 }, lower48Point, alaskaPoint, hawaiiPoint;

3867 function albersUsa(coordinates) {

3868 var x = coordinates[0], y = coordinates[1];

3869 point = null;

3870 (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y);

3871 return point;

3872 }

3873 albersUsa.invert = function(coordinates) {

3874 var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k;

3875 return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates);

3876 };

3877 albersUsa.stream = function(stream) {

3878 var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream);

3879 return {

3880 point: function(x, y) {

3881 lower48Stream.point(x, y);

3882 alaskaStream.point(x, y);

3883 hawaiiStream.point(x, y);

3884 },

3885 sphere: function() {

3886 lower48Stream.sphere();

3887 alaskaStream.sphere();

3888 hawaiiStream.sphere();

3889 },

3890 lineStart: function() {

3891 lower48Stream.lineStart();

3892 alaskaStream.lineStart();

3893 hawaiiStream.lineStart();

3894 },

3895 lineEnd: function() {

3896 lower48Stream.lineEnd();

3897 alaskaStream.lineEnd();

3898 hawaiiStream.lineEnd();

3899 },

3900 polygonStart: function() {

3901 lower48Stream.polygonStart();

3902 alaskaStream.polygonStart();

3903 hawaiiStream.polygonStart();

3904 },

3905 polygonEnd: function() {

3906 lower48Stream.polygonEnd();

3907 alaskaStream.polygonEnd();

3908 hawaiiStream.polygonEnd();

3909 }

3910 };

3911 };

3912 albersUsa.precision = function(_) {

3913 if (!arguments.length) return lower48.precision();

3914 lower48.precision(_);

3915 alaska.precision(_);

3916 hawaii.precision(_);

3917 return albersUsa;

3918 };

3919 albersUsa.scale = function(_) {

3920 if (!arguments.length) return lower48.scale();

3921 lower48.scale(_);

3922 alaska.scale(_ * .35);

3923 hawaii.scale(_);

3924 return albersUsa.translate(lower48.translate());

3925 };

3926 albersUsa.translate = function(_) {

3927 if (!arguments.length) return lower48.translate();

3928 var k = lower48.scale(), x = +_[0], y = +_[1];

3929 lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point;

3930 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;

3931 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;

3932 return albersUsa;

3933 };

3934 return albersUsa.scale(1070);

3935 };

3936 var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {

3937 point: d3_noop,

3938 lineStart: d3_noop,

3939 lineEnd: d3_noop,

3940 polygonStart: function() {

3941 d3_geo_pathAreaPolygon = 0;

3942 d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;

3943 },

3944 polygonEnd: function() {

3945 d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;

3946 d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2);

3947 }

3948 };

3949 function d3_geo_pathAreaRingStart() {

3950 var x00, y00, x0, y0;

3951 d3_geo_pathArea.point = function(x, y) {

3952 d3_geo_pathArea.point = nextPoint;

3953 x00 = x0 = x, y00 = y0 = y;

3954 };

3955 function nextPoint(x, y) {

3956 d3_geo_pathAreaPolygon += y0 * x - x0 * y;

3957 x0 = x, y0 = y;

3958 }

3959 d3_geo_pathArea.lineEnd = function() {

3960 nextPoint(x00, y00);

3961 };

3963 var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1;

3964 var d3_geo_pathBounds = {

3965 point: d3_geo_pathBoundsPoint,

3966 lineStart: d3_noop,

3967 lineEnd: d3_noop,

3968 polygonStart: d3_noop,

3969 polygonEnd: d3_noop

3970 };

3971 function d3_geo_pathBoundsPoint(x, y) {

3972 if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x;

3973 if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x;

3974 if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y;

3975 if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y;

3977 function d3_geo_pathBuffer() {

3978 var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = [];

3979 var stream = {

3980 point: point,

3981 lineStart: function() {

3982 stream.point = pointLineStart;

3983 },

3984 lineEnd: lineEnd,

3985 polygonStart: function() {

3986 stream.lineEnd = lineEndPolygon;

3987 },

3988 polygonEnd: function() {

3989 stream.lineEnd = lineEnd;

3990 stream.point = point;

3991 },

3992 pointRadius: function(_) {

3993 pointCircle = d3_geo_pathBufferCircle(_);

3994 return stream;

3995 },

3996 result: function() {

3997 if (buffer.length) {

3998 var result = buffer.join("");

3999 buffer = [];

4000 return result;

4001 }

4002 }

4003 };

4004 function point(x, y) {

4005 buffer.push("M", x, ",", y, pointCircle);

4006 }

4007 function pointLineStart(x, y) {

4008 buffer.push("M", x, ",", y);

4009 stream.point = pointLine;

4010 }

4011 function pointLine(x, y) {

4012 buffer.push("L", x, ",", y);

4013 }

4014 function lineEnd() {

4015 stream.point = point;

4016 }

4017 function lineEndPolygon() {

4018 buffer.push("Z");

4019 }

4020 return stream;

4022 function d3_geo_pathBufferCircle(radius) {

4023 return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z";

4025 var d3_geo_pathCentroid = {

4026 point: d3_geo_pathCentroidPoint,

4027 lineStart: d3_geo_pathCentroidLineStart,

4028 lineEnd: d3_geo_pathCentroidLineEnd,

4029 polygonStart: function() {

4030 d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;

4031 },

4032 polygonEnd: function() {

4033 d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;

4034 d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;

4035 d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;

4036 }

4037 };

4038 function d3_geo_pathCentroidPoint(x, y) {

4039 d3_geo_centroidX0 += x;

4040 d3_geo_centroidY0 += y;

4041 ++d3_geo_centroidZ0;

4043 function d3_geo_pathCentroidLineStart() {

4044 var x0, y0;

4045 d3_geo_pathCentroid.point = function(x, y) {

4046 d3_geo_pathCentroid.point = nextPoint;

4047 d3_geo_pathCentroidPoint(x0 = x, y0 = y);

4048 };

4049 function nextPoint(x, y) {

4050 var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);

4051 d3_geo_centroidX1 += z * (x0 + x) / 2;

4052 d3_geo_centroidY1 += z * (y0 + y) / 2;

4053 d3_geo_centroidZ1 += z;

4054 d3_geo_pathCentroidPoint(x0 = x, y0 = y);

4055 }

4057 function d3_geo_pathCentroidLineEnd() {

4058 d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;

4060 function d3_geo_pathCentroidRingStart() {

4061 var x00, y00, x0, y0;

4062 d3_geo_pathCentroid.point = function(x, y) {

4063 d3_geo_pathCentroid.point = nextPoint;

4064 d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y);

4065 };

4066 function nextPoint(x, y) {

4067 var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);

4068 d3_geo_centroidX1 += z * (x0 + x) / 2;

4069 d3_geo_centroidY1 += z * (y0 + y) / 2;

4070 d3_geo_centroidZ1 += z;

4071 z = y0 * x - x0 * y;

4072 d3_geo_centroidX2 += z * (x0 + x);

4073 d3_geo_centroidY2 += z * (y0 + y);

4074 d3_geo_centroidZ2 += z * 3;

4075 d3_geo_pathCentroidPoint(x0 = x, y0 = y);

4076 }

4077 d3_geo_pathCentroid.lineEnd = function() {

4078 nextPoint(x00, y00);

4079 };

4081 function d3_geo_pathContext(context) {

4082 var pointRadius = 4.5;

4083 var stream = {

4084 point: point,

4085 lineStart: function() {

4086 stream.point = pointLineStart;

4087 },

4088 lineEnd: lineEnd,

4089 polygonStart: function() {

4090 stream.lineEnd = lineEndPolygon;

4091 },

4092 polygonEnd: function() {

4093 stream.lineEnd = lineEnd;

4094 stream.point = point;

4095 },

4096 pointRadius: function(_) {

4097 pointRadius = _;

4098 return stream;

4099 },

4100 result: d3_noop

4101 };

4102 function point(x, y) {

4103 context.moveTo(x + pointRadius, y);

4104 context.arc(x, y, pointRadius, 0, τ);

4105 }

4106 function pointLineStart(x, y) {

4107 context.moveTo(x, y);

4108 stream.point = pointLine;

4109 }

4110 function pointLine(x, y) {

4111 context.lineTo(x, y);

4112 }

4113 function lineEnd() {

4114 stream.point = point;

4115 }

4116 function lineEndPolygon() {

4117 context.closePath();

4118 }

4119 return stream;

4121 function d3_geo_resample(project) {

4122 var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16;

4123 function resample(stream) {

4124 return (maxDepth ? resampleRecursive : resampleNone)(stream);

4125 }

4126 function resampleNone(stream) {

4127 return d3_geo_transformPoint(stream, function(x, y) {

4128 x = project(x, y);

4129 stream.point(x[0], x[1]);

4130 });

4131 }

4132 function resampleRecursive(stream) {

4133 var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0;

4134 var resample = {

4135 point: point,

4136 lineStart: lineStart,

4137 lineEnd: lineEnd,

4138 polygonStart: function() {

4139 stream.polygonStart();

4140 resample.lineStart = ringStart;

4141 },

4142 polygonEnd: function() {

4143 stream.polygonEnd();

4144 resample.lineStart = lineStart;

4145 }

4146 };

4147 function point(x, y) {

4148 x = project(x, y);

4149 stream.point(x[0], x[1]);

4150 }

4151 function lineStart() {

4152 x0 = NaN;

4153 resample.point = linePoint;

4154 stream.lineStart();

4155 }

4156 function linePoint(λ, φ) {

4157 var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);

4158 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);

4159 stream.point(x0, y0);

4160 }

4161 function lineEnd() {

4162 resample.point = point;

4163 stream.lineEnd();

4164 }

4165 function ringStart() {

4166 lineStart();

4167 resample.point = ringPoint;

4168 resample.lineEnd = ringEnd;

4169 }

4170 function ringPoint(λ, φ) {

4171 linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;

4172 resample.point = linePoint;

4173 }

4174 function ringEnd() {

4175 resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);

4176 resample.lineEnd = lineEnd;

4177 lineEnd();

4178 }

4179 return resample;

4180 }

4181 function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {

4182 var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;

4183 if (d2 > 4 * δ2 && depth--) {

4184 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;

4185 if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) {

4186 resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);

4187 stream.point(x2, y2);

4188 resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);

4189 }

4190 }

4191 }

4192 resample.precision = function(_) {

4193 if (!arguments.length) return Math.sqrt(δ2);

4194 maxDepth = (δ2 = _ * _) > 0 && 16;

4195 return resample;

4196 };

4197 return resample;

4199 d3.geo.path = function() {

4200 var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream;

4201 function path(object) {

4202 if (object) {

4203 if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments));

4204 if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream);

4205 d3.geo.stream(object, cacheStream);

4206 }

4207 return contextStream.result();

4208 }

4209 path.area = function(object) {

4210 d3_geo_pathAreaSum = 0;

4211 d3.geo.stream(object, projectStream(d3_geo_pathArea));

4212 return d3_geo_pathAreaSum;

4213 };

4214 path.centroid = function(object) {

4215 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;

4216 d3.geo.stream(object, projectStream(d3_geo_pathCentroid));

4217 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 ];

4218 };

4219 path.bounds = function(object) {

4220 d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity);

4221 d3.geo.stream(object, projectStream(d3_geo_pathBounds));

4222 return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ];

4223 };

4224 path.projection = function(_) {

4225 if (!arguments.length) return projection;

4226 projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;

4227 return reset();

4228 };

4229 path.context = function(_) {

4230 if (!arguments.length) return context;

4231 contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);

4232 if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius);

4233 return reset();

4234 };

4235 path.pointRadius = function(_) {

4236 if (!arguments.length) return pointRadius;

4237 pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_);

4238 return path;

4239 };

4240 function reset() {

4241 cacheStream = null;

4242 return path;

4243 }

4244 return path.projection(d3.geo.albersUsa()).context(null);

4245 };

4246 function d3_geo_pathProjectStream(project) {

4247 var resample = d3_geo_resample(function(x, y) {

4248 return project([ x * d3_degrees, y * d3_degrees ]);

4249 });

4250 return function(stream) {

4251 return d3_geo_projectionRadians(resample(stream));

4252 };

4254 d3.geo.transform = function(methods) {

4255 return {

4256 stream: function(stream) {

4257 var transform = new d3_geo_transform(stream);

4258 for (var k in methods) transform[k] = methods[k];

4259 return transform;

4260 }

4261 };

4262 };

4263 function d3_geo_transform(stream) {

4264 this.stream = stream;

4266 d3_geo_transform.prototype = {

4267 point: function(x, y) {

4268 this.stream.point(x, y);

4269 },

4270 sphere: function() {

4271 this.stream.sphere();

4272 },

4273 lineStart: function() {

4274 this.stream.lineStart();

4275 },

4276 lineEnd: function() {

4277 this.stream.lineEnd();

4278 },

4279 polygonStart: function() {

4280 this.stream.polygonStart();

4281 },

4282 polygonEnd: function() {

4283 this.stream.polygonEnd();

4284 }

4285 };

4286 function d3_geo_transformPoint(stream, point) {

4287 return {

4288 point: point,

4289 sphere: function() {

4290 stream.sphere();

4291 },

4292 lineStart: function() {

4293 stream.lineStart();

4294 },

4295 lineEnd: function() {

4296 stream.lineEnd();

4297 },

4298 polygonStart: function() {

4299 stream.polygonStart();

4300 },

4301 polygonEnd: function() {

4302 stream.polygonEnd();

4303 }

4304 };

4306 d3.geo.projection = d3_geo_projection;

4307 d3.geo.projectionMutator = d3_geo_projectionMutator;

4308 function d3_geo_projection(project) {

4309 return d3_geo_projectionMutator(function() {

4310 return project;

4311 })();

4313 function d3_geo_projectionMutator(projectAt) {

4314 var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {

4315 x = project(x, y);

4316 return [ x[0] * k + δx, δy - x[1] * k ];

4317 }), 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;

4318 function projection(point) {

4319 point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);

4320 return [ point[0] * k + δx, δy - point[1] * k ];

4321 }

4322 function invert(point) {

4323 point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);

4324 return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];

4325 }

4326 projection.stream = function(output) {

4327 if (stream) stream.valid = false;

4328 stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output))));

4329 stream.valid = true;

4330 return stream;

4331 };

4332 projection.clipAngle = function(_) {

4333 if (!arguments.length) return clipAngle;

4334 preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);

4335 return invalidate();

4336 };

4337 projection.clipExtent = function(_) {

4338 if (!arguments.length) return clipExtent;

4339 clipExtent = _;

4340 postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity;

4341 return invalidate();

4342 };

4343 projection.scale = function(_) {

4344 if (!arguments.length) return k;

4345 k = +_;

4346 return reset();

4347 };

4348 projection.translate = function(_) {

4349 if (!arguments.length) return [ x, y ];

4350 x = +_[0];

4351 y = +_[1];

4352 return reset();

4353 };

4354 projection.center = function(_) {

4355 if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];

4356 λ = _[0] % 360 * d3_radians;

4357 φ = _[1] % 360 * d3_radians;

4358 return reset();

4359 };

4360 projection.rotate = function(_) {

4361 if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];

4362 δλ = _[0] % 360 * d3_radians;

4363 δφ = _[1] % 360 * d3_radians;

4364 δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;

4365 return reset();

4366 };

4367 d3.rebind(projection, projectResample, "precision");

4368 function reset() {

4369 projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);

4370 var center = project(λ, φ);

4371 δx = x - center[0] * k;

4372 δy = y + center[1] * k;

4373 return invalidate();

4374 }

4375 function invalidate() {

4376 if (stream) stream.valid = false, stream = null;

4377 return projection;

4378 }

4379 return function() {

4380 project = projectAt.apply(this, arguments);

4381 projection.invert = project.invert && invert;

4382 return reset();

4383 };

4385 function d3_geo_projectionRadians(stream) {

4386 return d3_geo_transformPoint(stream, function(x, y) {

4387 stream.point(x * d3_radians, y * d3_radians);

4388 });

4390 function d3_geo_equirectangular(λ, φ) {

4391 return [ λ, φ ];

4393 (d3.geo.equirectangular = function() {

4394 return d3_geo_projection(d3_geo_equirectangular);

4395 }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;

4396 d3.geo.rotation = function(rotate) {

4397 rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);

4398 function forward(coordinates) {

4399 coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);

4400 return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;

4401 }

4402 forward.invert = function(coordinates) {

4403 coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);

4404 return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;

4405 };

4406 return forward;

4407 };

4408 function d3_geo_identityRotation(λ, φ) {

4409 return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];

4411 d3_geo_identityRotation.invert = d3_geo_equirectangular;

4412 function d3_geo_rotation(δλ, δφ, δγ) {

4413 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;

4415 function d3_geo_forwardRotationλ(δλ) {

4416 return function(λ, φ) {

4417 return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];

4418 };

4420 function d3_geo_rotationλ(δλ) {

4421 var rotation = d3_geo_forwardRotationλ(δλ);

4422 rotation.invert = d3_geo_forwardRotationλ(-δλ);

4423 return rotation;

4425 function d3_geo_rotationφγ(δφ, δγ) {

4426 var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);

4427 function rotation(λ, φ) {

4428 var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;

4429 return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ];

4430 }

4431 rotation.invert = function(λ, φ) {

4432 var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;

4433 return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ];

4434 };

4435 return rotation;

4437 d3.geo.circle = function() {

4438 var origin = [ 0, 0 ], angle, precision = 6, interpolate;

4439 function circle() {

4440 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 = [];

4441 interpolate(null, null, 1, {

4442 point: function(x, y) {

4443 ring.push(x = rotate(x, y));

4444 x[0] *= d3_degrees, x[1] *= d3_degrees;

4445 }

4446 });

4447 return {

4448 type: "Polygon",

4449 coordinates: [ ring ]

4450 };

4451 }

4452 circle.origin = function(x) {

4453 if (!arguments.length) return origin;

4454 origin = x;

4455 return circle;

4456 };

4457 circle.angle = function(x) {

4458 if (!arguments.length) return angle;

4459 interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);

4460 return circle;

4461 };

4462 circle.precision = function(_) {

4463 if (!arguments.length) return precision;

4464 interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);

4465 return circle;

4466 };

4467 return circle.angle(90);

4468 };

4469 function d3_geo_circleInterpolate(radius, precision) {

4470 var cr = Math.cos(radius), sr = Math.sin(radius);

4471 return function(from, to, direction, listener) {

4472 var step = direction * precision;

4473 if (from != null) {

4474 from = d3_geo_circleAngle(cr, from);

4475 to = d3_geo_circleAngle(cr, to);

4476 if (direction > 0 ? from < to : from > to) from += direction * τ;

4477 } else {

4478 from = radius + direction * τ;

4479 to = radius - .5 * step;

4480 }

4481 for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) {

4482 listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);

4483 }

4484 };

4486 function d3_geo_circleAngle(cr, point) {

4487 var a = d3_geo_cartesian(point);

4488 a[0] -= cr;

4489 d3_geo_cartesianNormalize(a);

4490 var angle = d3_acos(-a[1]);

4491 return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);

4493 d3.geo.distance = function(a, b) {

4494 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;

4495 return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);

4496 };

4497 d3.geo.graticule = function() {

4498 var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;

4499 function graticule() {

4500 return {

4501 type: "MultiLineString",

4502 coordinates: lines()

4503 };

4504 }

4505 function lines() {

4506 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) {

4507 return abs(x % DX) > ε;

4508 }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {

4509 return abs(y % DY) > ε;

4510 }).map(y));

4511 }

4512 graticule.lines = function() {

4513 return lines().map(function(coordinates) {

4514 return {

4515 type: "LineString",

4516 coordinates: coordinates

4517 };

4518 });

4519 };

4520 graticule.outline = function() {

4521 return {

4522 type: "Polygon",

4523 coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]

4524 };

4525 };

4526 graticule.extent = function(_) {

4527 if (!arguments.length) return graticule.minorExtent();

4528 return graticule.majorExtent(_).minorExtent(_);

4529 };

4530 graticule.majorExtent = function(_) {

4531 if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];

4532 X0 = +_[0][0], X1 = +_[1][0];

4533 Y0 = +_[0][1], Y1 = +_[1][1];

4534 if (X0 > X1) _ = X0, X0 = X1, X1 = _;

4535 if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;

4536 return graticule.precision(precision);

4537 };

4538 graticule.minorExtent = function(_) {

4539 if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];

4540 x0 = +_[0][0], x1 = +_[1][0];

4541 y0 = +_[0][1], y1 = +_[1][1];

4542 if (x0 > x1) _ = x0, x0 = x1, x1 = _;

4543 if (y0 > y1) _ = y0, y0 = y1, y1 = _;

4544 return graticule.precision(precision);

4545 };

4546 graticule.step = function(_) {

4547 if (!arguments.length) return graticule.minorStep();

4548 return graticule.majorStep(_).minorStep(_);

4549 };

4550 graticule.majorStep = function(_) {

4551 if (!arguments.length) return [ DX, DY ];

4552 DX = +_[0], DY = +_[1];

4553 return graticule;

4554 };

4555 graticule.minorStep = function(_) {

4556 if (!arguments.length) return [ dx, dy ];

4557 dx = +_[0], dy = +_[1];

4558 return graticule;

4559 };

4560 graticule.precision = function(_) {

4561 if (!arguments.length) return precision;

4562 precision = +_;

4563 x = d3_geo_graticuleX(y0, y1, 90);

4564 y = d3_geo_graticuleY(x0, x1, precision);

4565 X = d3_geo_graticuleX(Y0, Y1, 90);

4566 Y = d3_geo_graticuleY(X0, X1, precision);

4567 return graticule;

4568 };

4569 return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);

4570 };

4571 function d3_geo_graticuleX(y0, y1, dy) {

4572 var y = d3.range(y0, y1 - ε, dy).concat(y1);

4573 return function(x) {

4574 return y.map(function(y) {

4575 return [ x, y ];

4576 });

4577 };

4579 function d3_geo_graticuleY(x0, x1, dx) {

4580 var x = d3.range(x0, x1 - ε, dx).concat(x1);

4581 return function(y) {

4582 return x.map(function(x) {

4583 return [ x, y ];

4584 });

4585 };

4587 function d3_source(d) {

4588 return d.source;

4590 function d3_target(d) {

4591 return d.target;

4593 d3.geo.greatArc = function() {

4594 var source = d3_source, source_, target = d3_target, target_;

4595 function greatArc() {

4596 return {

4597 type: "LineString",

4598 coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]

4599 };

4600 }

4601 greatArc.distance = function() {

4602 return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));

4603 };

4604 greatArc.source = function(_) {

4605 if (!arguments.length) return source;

4606 source = _, source_ = typeof _ === "function" ? null : _;

4607 return greatArc;

4608 };

4609 greatArc.target = function(_) {

4610 if (!arguments.length) return target;

4611 target = _, target_ = typeof _ === "function" ? null : _;

4612 return greatArc;

4613 };

4614 greatArc.precision = function() {

4615 return arguments.length ? greatArc : 0;

4616 };

4617 return greatArc;

4618 };

4619 d3.geo.interpolate = function(source, target) {

4620 return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);

4621 };

4622 function d3_geo_interpolate(x0, y0, x1, y1) {

4623 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);

4624 var interpolate = d ? function(t) {

4625 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;

4626 return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];

4627 } : function() {

4628 return [ x0 * d3_degrees, y0 * d3_degrees ];

4629 };

4630 interpolate.distance = d;

4631 return interpolate;

4633 d3.geo.length = function(object) {

4634 d3_geo_lengthSum = 0;

4635 d3.geo.stream(object, d3_geo_length);

4636 return d3_geo_lengthSum;

4637 };

4638 var d3_geo_lengthSum;

4639 var d3_geo_length = {

4640 sphere: d3_noop,

4641 point: d3_noop,

4642 lineStart: d3_geo_lengthLineStart,

4643 lineEnd: d3_noop,

4644 polygonStart: d3_noop,

4645 polygonEnd: d3_noop

4646 };

4647 function d3_geo_lengthLineStart() {

4648 var λ0, sinφ0, cosφ0;

4649 d3_geo_length.point = function(λ, φ) {

4650 λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);

4651 d3_geo_length.point = nextPoint;

4652 };

4653 d3_geo_length.lineEnd = function() {

4654 d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;

4655 };

4656 function nextPoint(λ, φ) {

4657 var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);

4658 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);

4659 λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;

4660 }

4662 function d3_geo_azimuthal(scale, angle) {

4663 function azimuthal(λ, φ) {

4664 var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);

4665 return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];

4666 }

4667 azimuthal.invert = function(x, y) {

4668 var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);

4669 return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];

4670 };

4671 return azimuthal;

4673 var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {

4674 return Math.sqrt(2 / (1 + cosλcosφ));

4675 }, function(ρ) {

4676 return 2 * Math.asin(ρ / 2);

4677 });

4678 (d3.geo.azimuthalEqualArea = function() {

4679 return d3_geo_projection(d3_geo_azimuthalEqualArea);

4680 }).raw = d3_geo_azimuthalEqualArea;

4681 var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {

4682 var c = Math.acos(cosλcosφ);

4683 return c && c / Math.sin(c);

4684 }, d3_identity);

4685 (d3.geo.azimuthalEquidistant = function() {

4686 return d3_geo_projection(d3_geo_azimuthalEquidistant);

4687 }).raw = d3_geo_azimuthalEquidistant;

4688 function d3_geo_conicConformal(φ0, φ1) {

4689 var cosφ0 = Math.cos(φ0), t = function(φ) {

4690 return Math.tan(π / 4 + φ / 2);

4691 }, 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;

4692 if (!n) return d3_geo_mercator;

4693 function forward(λ, φ) {

4694 if (F > 0) {

4695 if (φ < -halfπ + ε) φ = -halfπ + ε;

4696 } else {

4697 if (φ > halfπ - ε) φ = halfπ - ε;

4698 }

4699 var ρ = F / Math.pow(t(φ), n);

4700 return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];

4701 }

4702 forward.invert = function(x, y) {

4703 var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);

4704 return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ];

4705 };

4706 return forward;

4708 (d3.geo.conicConformal = function() {

4709 return d3_geo_conic(d3_geo_conicConformal);

4710 }).raw = d3_geo_conicConformal;

4711 function d3_geo_conicEquidistant(φ0, φ1) {

4712 var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;

4713 if (abs(n) < ε) return d3_geo_equirectangular;

4714 function forward(λ, φ) {

4715 var ρ = G - φ;

4716 return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];

4717 }

4718 forward.invert = function(x, y) {

4719 var ρ0_y = G - y;

4720 return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];

4721 };

4722 return forward;

4724 (d3.geo.conicEquidistant = function() {

4725 return d3_geo_conic(d3_geo_conicEquidistant);

4726 }).raw = d3_geo_conicEquidistant;

4727 var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {

4728 return 1 / cosλcosφ;

4729 }, Math.atan);

4730 (d3.geo.gnomonic = function() {

4731 return d3_geo_projection(d3_geo_gnomonic);

4732 }).raw = d3_geo_gnomonic;

4733 function d3_geo_mercator(λ, φ) {

4734 return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];

4736 d3_geo_mercator.invert = function(x, y) {

4737 return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ];

4738 };

4739 function d3_geo_mercatorProjection(project) {

4740 var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;

4741 m.scale = function() {

4742 var v = scale.apply(m, arguments);

4743 return v === m ? clipAuto ? m.clipExtent(null) : m : v;

4744 };

4745 m.translate = function() {

4746 var v = translate.apply(m, arguments);

4747 return v === m ? clipAuto ? m.clipExtent(null) : m : v;

4748 };

4749 m.clipExtent = function(_) {

4750 var v = clipExtent.apply(m, arguments);

4751 if (v === m) {

4752 if (clipAuto = _ == null) {

4753 var k = π * scale(), t = translate();

4754 clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);

4755 }

4756 } else if (clipAuto) {

4757 v = null;

4758 }

4759 return v;

4760 };

4761 return m.clipExtent(null);

4763 (d3.geo.mercator = function() {

4764 return d3_geo_mercatorProjection(d3_geo_mercator);

4765 }).raw = d3_geo_mercator;

4766 var d3_geo_orthographic = d3_geo_azimuthal(function() {

4767 return 1;

4768 }, Math.asin);

4769 (d3.geo.orthographic = function() {

4770 return d3_geo_projection(d3_geo_orthographic);

4771 }).raw = d3_geo_orthographic;

4772 var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {

4773 return 1 / (1 + cosλcosφ);

4774 }, function(ρ) {

4775 return 2 * Math.atan(ρ);

4776 });

4777 (d3.geo.stereographic = function() {

4778 return d3_geo_projection(d3_geo_stereographic);

4779 }).raw = d3_geo_stereographic;

4780 function d3_geo_transverseMercator(λ, φ) {

4781 return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ];

4783 d3_geo_transverseMercator.invert = function(x, y) {

4784 return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ];

4785 };

4786 (d3.geo.transverseMercator = function() {

4787 var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate;

4788 projection.center = function(_) {

4789 return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]);

4790 };

4791 projection.rotate = function(_) {

4792 return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(),

4793 [ _[0], _[1], _[2] - 90 ]);

4794 };

4795 return rotate([ 0, 0, 90 ]);

4796 }).raw = d3_geo_transverseMercator;

4797 d3.geom = {};

4798 function d3_geom_pointX(d) {

4799 return d[0];

4801 function d3_geom_pointY(d) {

4802 return d[1];

4804 d3.geom.hull = function(vertices) {

4805 var x = d3_geom_pointX, y = d3_geom_pointY;

4806 if (arguments.length) return hull(vertices);

4807 function hull(data) {

4808 if (data.length < 3) return [];

4809 var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = [];

4810 for (i = 0; i < n; i++) {

4811 points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]);

4812 }

4813 points.sort(d3_geom_hullOrder);

4814 for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]);

4815 var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints);

4816 var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = [];

4817 for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]);

4818 for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]);

4819 return polygon;

4820 }

4821 hull.x = function(_) {

4822 return arguments.length ? (x = _, hull) : x;

4823 };

4824 hull.y = function(_) {

4825 return arguments.length ? (y = _, hull) : y;

4826 };

4827 return hull;

4828 };

4829 function d3_geom_hullUpper(points) {

4830 var n = points.length, hull = [ 0, 1 ], hs = 2;

4831 for (var i = 2; i < n; i++) {

4832 while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs;

4833 hull[hs++] = i;

4834 }

4835 return hull.slice(0, hs);

4837 function d3_geom_hullOrder(a, b) {

4838 return a[0] - b[0] || a[1] - b[1];

4840 d3.geom.polygon = function(coordinates) {

4841 d3_subclass(coordinates, d3_geom_polygonPrototype);

4842 return coordinates;

4843 };

4844 var d3_geom_polygonPrototype = d3.geom.polygon.prototype = [];

4845 d3_geom_polygonPrototype.area = function() {

4846 var i = -1, n = this.length, a, b = this[n - 1], area = 0;

4847 while (++i < n) {

4848 a = b;

4849 b = this[i];

4850 area += a[1] * b[0] - a[0] * b[1];

4851 }

4852 return area * .5;

4853 };

4854 d3_geom_polygonPrototype.centroid = function(k) {

4855 var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c;

4856 if (!arguments.length) k = -1 / (6 * this.area());

4857 while (++i < n) {

4858 a = b;

4859 b = this[i];

4860 c = a[0] * b[1] - b[0] * a[1];

4861 x += (a[0] + b[0]) * c;

4862 y += (a[1] + b[1]) * c;

4863 }

4864 return [ x * k, y * k ];

4865 };

4866 d3_geom_polygonPrototype.clip = function(subject) {

4867 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;

4868 while (++i < n) {

4869 input = subject.slice();

4870 subject.length = 0;

4871 b = this[i];

4872 c = input[(m = input.length - closed) - 1];

4873 j = -1;

4874 while (++j < m) {

4875 d = input[j];

4876 if (d3_geom_polygonInside(d, a, b)) {

4877 if (!d3_geom_polygonInside(c, a, b)) {

4878 subject.push(d3_geom_polygonIntersect(c, d, a, b));

4879 }

4880 subject.push(d);

4881 } else if (d3_geom_polygonInside(c, a, b)) {

4882 subject.push(d3_geom_polygonIntersect(c, d, a, b));

4883 }

4884 c = d;

4885 }

4886 if (closed) subject.push(subject[0]);

4887 a = b;

4888 }

4889 return subject;

4890 };

4891 function d3_geom_polygonInside(p, a, b) {

4892 return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);

4894 function d3_geom_polygonIntersect(c, d, a, b) {

4895 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);

4896 return [ x1 + ua * x21, y1 + ua * y21 ];

4898 function d3_geom_polygonClosed(coordinates) {

4899 var a = coordinates[0], b = coordinates[coordinates.length - 1];

4900 return !(a[0] - b[0] || a[1] - b[1]);

4902 var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = [];

4903 function d3_geom_voronoiBeach() {

4904 d3_geom_voronoiRedBlackNode(this);

4905 this.edge = this.site = this.circle = null;

4907 function d3_geom_voronoiCreateBeach(site) {

4908 var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach();

4909 beach.site = site;

4910 return beach;

4912 function d3_geom_voronoiDetachBeach(beach) {

4913 d3_geom_voronoiDetachCircle(beach);

4914 d3_geom_voronoiBeaches.remove(beach);

4915 d3_geom_voronoiBeachPool.push(beach);

4916 d3_geom_voronoiRedBlackNode(beach);

4918 function d3_geom_voronoiRemoveBeach(beach) {

4919 var circle = beach.circle, x = circle.x, y = circle.cy, vertex = {

4920 x: x,

4921 y: y

4922 }, previous = beach.P, next = beach.N, disappearing = [ beach ];

4923 d3_geom_voronoiDetachBeach(beach);

4924 var lArc = previous;

4925 while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) {

4926 previous = lArc.P;

4927 disappearing.unshift(lArc);

4928 d3_geom_voronoiDetachBeach(lArc);

4929 lArc = previous;

4930 }

4931 disappearing.unshift(lArc);

4932 d3_geom_voronoiDetachCircle(lArc);

4933 var rArc = next;

4934 while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) {

4935 next = rArc.N;

4936 disappearing.push(rArc);

4937 d3_geom_voronoiDetachBeach(rArc);

4938 rArc = next;

4939 }

4940 disappearing.push(rArc);

4941 d3_geom_voronoiDetachCircle(rArc);

4942 var nArcs = disappearing.length, iArc;

4943 for (iArc = 1; iArc < nArcs; ++iArc) {

4944 rArc = disappearing[iArc];

4945 lArc = disappearing[iArc - 1];

4946 d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);

4947 }

4948 lArc = disappearing[0];

4949 rArc = disappearing[nArcs - 1];

4950 rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex);

4951 d3_geom_voronoiAttachCircle(lArc);

4952 d3_geom_voronoiAttachCircle(rArc);

4954 function d3_geom_voronoiAddBeach(site) {

4955 var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._;

4956 while (node) {

4957 dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x;

4958 if (dxl > ε) node = node.L; else {

4959 dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix);

4960 if (dxr > ε) {

4961 if (!node.R) {

4962 lArc = node;

4963 break;

4964 }

4965 node = node.R;

4966 } else {

4967 if (dxl > -ε) {

4968 lArc = node.P;

4969 rArc = node;

4970 } else if (dxr > -ε) {

4971 lArc = node;

4972 rArc = node.N;

4973 } else {

4974 lArc = rArc = node;

4975 }

4976 break;

4977 }

4978 }

4979 }

4980 var newArc = d3_geom_voronoiCreateBeach(site);

4981 d3_geom_voronoiBeaches.insert(lArc, newArc);

4982 if (!lArc && !rArc) return;

4983 if (lArc === rArc) {

4984 d3_geom_voronoiDetachCircle(lArc);

4985 rArc = d3_geom_voronoiCreateBeach(lArc.site);

4986 d3_geom_voronoiBeaches.insert(newArc, rArc);

4987 newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);

4988 d3_geom_voronoiAttachCircle(lArc);

4989 d3_geom_voronoiAttachCircle(rArc);

4990 return;

4991 }

4992 if (!rArc) {

4993 newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);

4994 return;

4995 }

4996 d3_geom_voronoiDetachCircle(lArc);

4997 d3_geom_voronoiDetachCircle(rArc);

4998 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 = {

4999 x: (cy * hb - by * hc) / d + ax,

5000 y: (bx * hc - cx * hb) / d + ay

5001 };

5002 d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex);

5003 newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex);

5004 rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex);

5005 d3_geom_voronoiAttachCircle(lArc);

5006 d3_geom_voronoiAttachCircle(rArc);

5008 function d3_geom_voronoiLeftBreakPoint(arc, directrix) {

5009 var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix;

5010 if (!pby2) return rfocx;

5011 var lArc = arc.P;

5012 if (!lArc) return -Infinity;

5013 site = lArc.site;

5014 var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix;

5015 if (!plby2) return lfocx;

5016 var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2;

5017 if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;

5018 return (rfocx + lfocx) / 2;

5020 function d3_geom_voronoiRightBreakPoint(arc, directrix) {

5021 var rArc = arc.N;

5022 if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix);

5023 var site = arc.site;

5024 return site.y === directrix ? site.x : Infinity;

5026 function d3_geom_voronoiCell(site) {

5027 this.site = site;

5028 this.edges = [];

5030 d3_geom_voronoiCell.prototype.prepare = function() {

5031 var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge;

5032 while (iHalfEdge--) {

5033 edge = halfEdges[iHalfEdge].edge;

5034 if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1);

5035 }

5036 halfEdges.sort(d3_geom_voronoiHalfEdgeOrder);

5037 return halfEdges.length;

5038 };

5039 function d3_geom_voronoiCloseCells(extent) {

5040 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;

5041 while (iCell--) {

5042 cell = cells[iCell];

5043 if (!cell || !cell.prepare()) continue;

5044 halfEdges = cell.edges;

5045 nHalfEdges = halfEdges.length;

5046 iHalfEdge = 0;

5047 while (iHalfEdge < nHalfEdges) {

5048 end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y;

5049 start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y;

5050 if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) {

5051 halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? {

5052 x: x0,

5053 y: abs(x2 - x0) < ε ? y2 : y1

5054 } : abs(y3 - y1) < ε && x1 - x3 > ε ? {

5055 x: abs(y2 - y1) < ε ? x2 : x1,

5056 y: y1

5057 } : abs(x3 - x1) < ε && y3 - y0 > ε ? {

5058 x: x1,

5059 y: abs(x2 - x1) < ε ? y2 : y0

5060 } : abs(y3 - y0) < ε && x3 - x0 > ε ? {

5061 x: abs(y2 - y0) < ε ? x2 : x0,

5062 y: y0

5063 } : null), cell.site, null));

5064 ++nHalfEdges;

5065 }

5066 }

5067 }

5069 function d3_geom_voronoiHalfEdgeOrder(a, b) {

5070 return b.angle - a.angle;

5072 function d3_geom_voronoiCircle() {

5073 d3_geom_voronoiRedBlackNode(this);

5074 this.x = this.y = this.arc = this.site = this.cy = null;

5076 function d3_geom_voronoiAttachCircle(arc) {

5077 var lArc = arc.P, rArc = arc.N;

5078 if (!lArc || !rArc) return;

5079 var lSite = lArc.site, cSite = arc.site, rSite = rArc.site;

5080 if (lSite === rSite) return;

5081 var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by;

5082 var d = 2 * (ax * cy - ay * cx);

5083 if (d >= -ε2) return;

5084 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;

5085 var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle();

5086 circle.arc = arc;

5087 circle.site = cSite;

5088 circle.x = x + bx;

5089 circle.y = cy + Math.sqrt(x * x + y * y);

5090 circle.cy = cy;

5091 arc.circle = circle;

5092 var before = null, node = d3_geom_voronoiCircles._;

5093 while (node) {

5094 if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) {

5095 if (node.L) node = node.L; else {

5096 before = node.P;

5097 break;

5098 }

5099 } else {

5100 if (node.R) node = node.R; else {

5101 before = node;

5102 break;

5103 }

5104 }

5105 }

5106 d3_geom_voronoiCircles.insert(before, circle);

5107 if (!before) d3_geom_voronoiFirstCircle = circle;

5109 function d3_geom_voronoiDetachCircle(arc) {

5110 var circle = arc.circle;

5111 if (circle) {

5112 if (!circle.P) d3_geom_voronoiFirstCircle = circle.N;

5113 d3_geom_voronoiCircles.remove(circle);

5114 d3_geom_voronoiCirclePool.push(circle);

5115 d3_geom_voronoiRedBlackNode(circle);

5116 arc.circle = null;

5117 }

5119 function d3_geom_voronoiClipEdges(extent) {

5120 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;

5121 while (i--) {

5122 e = edges[i];

5123 if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) {

5124 e.a = e.b = null;

5125 edges.splice(i, 1);

5126 }

5127 }

5129 function d3_geom_voronoiConnectEdge(edge, extent) {

5130 var vb = edge.b;

5131 if (vb) return true;

5132 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;

5133 if (ry === ly) {

5134 if (fx < x0 || fx >= x1) return;

5135 if (lx > rx) {

5136 if (!va) va = {

5137 x: fx,

5138 y: y0

5139 }; else if (va.y >= y1) return;

5140 vb = {

5141 x: fx,

5142 y: y1

5143 };

5144 } else {

5145 if (!va) va = {

5146 x: fx,

5147 y: y1

5148 }; else if (va.y < y0) return;

5149 vb = {

5150 x: fx,

5151 y: y0

5152 };

5153 }

5154 } else {

5155 fm = (lx - rx) / (ry - ly);

5156 fb = fy - fm * fx;

5157 if (fm < -1 || fm > 1) {

5158 if (lx > rx) {

5159 if (!va) va = {

5160 x: (y0 - fb) / fm,

5161 y: y0

5162 }; else if (va.y >= y1) return;

5163 vb = {

5164 x: (y1 - fb) / fm,

5165 y: y1

5166 };

5167 } else {

5168 if (!va) va = {

5169 x: (y1 - fb) / fm,

5170 y: y1

5171 }; else if (va.y < y0) return;

5172 vb = {

5173 x: (y0 - fb) / fm,

5174 y: y0

5175 };

5176 }

5177 } else {

5178 if (ly < ry) {

5179 if (!va) va = {

5180 x: x0,

5181 y: fm * x0 + fb

5182 }; else if (va.x >= x1) return;

5183 vb = {

5184 x: x1,

5185 y: fm * x1 + fb

5186 };

5187 } else {

5188 if (!va) va = {

5189 x: x1,

5190 y: fm * x1 + fb

5191 }; else if (va.x < x0) return;

5192 vb = {

5193 x: x0,

5194 y: fm * x0 + fb

5195 };

5196 }

5197 }

5198 }

5199 edge.a = va;

5200 edge.b = vb;

5201 return true;

5203 function d3_geom_voronoiEdge(lSite, rSite) {

5204 this.l = lSite;

5205 this.r = rSite;

5206 this.a = this.b = null;

5208 function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) {

5209 var edge = new d3_geom_voronoiEdge(lSite, rSite);

5210 d3_geom_voronoiEdges.push(edge);

5211 if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va);

5212 if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb);

5213 d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite));

5214 d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite));

5215 return edge;

5217 function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) {

5218 var edge = new d3_geom_voronoiEdge(lSite, null);

5219 edge.a = va;

5220 edge.b = vb;

5221 d3_geom_voronoiEdges.push(edge);

5222 return edge;

5224 function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) {

5225 if (!edge.a && !edge.b) {

5226 edge.a = vertex;

5227 edge.l = lSite;

5228 edge.r = rSite;

5229 } else if (edge.l === rSite) {

5230 edge.b = vertex;

5231 } else {

5232 edge.a = vertex;

5233 }

5235 function d3_geom_voronoiHalfEdge(edge, lSite, rSite) {

5236 var va = edge.a, vb = edge.b;

5237 this.edge = edge;

5238 this.site = lSite;

5239 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);

5241 d3_geom_voronoiHalfEdge.prototype = {

5242 start: function() {

5243 return this.edge.l === this.site ? this.edge.a : this.edge.b;

5244 },

5245 end: function() {

5246 return this.edge.l === this.site ? this.edge.b : this.edge.a;

5247 }

5248 };

5249 function d3_geom_voronoiRedBlackTree() {

5250 this._ = null;

5252 function d3_geom_voronoiRedBlackNode(node) {

5253 node.U = node.C = node.L = node.R = node.P = node.N = null;

5255 d3_geom_voronoiRedBlackTree.prototype = {

5256 insert: function(after, node) {

5257 var parent, grandpa, uncle;

5258 if (after) {

5259 node.P = after;

5260 node.N = after.N;

5261 if (after.N) after.N.P = node;

5262 after.N = node;

5263 if (after.R) {

5264 after = after.R;

5265 while (after.L) after = after.L;

5266 after.L = node;

5267 } else {

5268 after.R = node;

5269 }

5270 parent = after;

5271 } else if (this._) {

5272 after = d3_geom_voronoiRedBlackFirst(this._);

5273 node.P = null;

5274 node.N = after;

5275 after.P = after.L = node;

5276 parent = after;

5277 } else {

5278 node.P = node.N = null;

5279 this._ = node;

5280 parent = null;

5281 }

5282 node.L = node.R = null;

5283 node.U = parent;

5284 node.C = true;

5285 after = node;

5286 while (parent && parent.C) {

5287 grandpa = parent.U;

5288 if (parent === grandpa.L) {

5289 uncle = grandpa.R;

5290 if (uncle && uncle.C) {

5291 parent.C = uncle.C = false;

5292 grandpa.C = true;

5293 after = grandpa;

5294 } else {

5295 if (after === parent.R) {

5296 d3_geom_voronoiRedBlackRotateLeft(this, parent);

5297 after = parent;

5298 parent = after.U;

5299 }

5300 parent.C = false;

5301 grandpa.C = true;

5302 d3_geom_voronoiRedBlackRotateRight(this, grandpa);

5303 }

5304 } else {

5305 uncle = grandpa.L;

5306 if (uncle && uncle.C) {

5307 parent.C = uncle.C = false;

5308 grandpa.C = true;

5309 after = grandpa;

5310 } else {

5311 if (after === parent.L) {

5312 d3_geom_voronoiRedBlackRotateRight(this, parent);

5313 after = parent;

5314 parent = after.U;

5315 }

5316 parent.C = false;

5317 grandpa.C = true;

5318 d3_geom_voronoiRedBlackRotateLeft(this, grandpa);

5319 }

5320 }

5321 parent = after.U;

5322 }

5323 this._.C = false;

5324 },

5325 remove: function(node) {

5326 if (node.N) node.N.P = node.P;

5327 if (node.P) node.P.N = node.N;

5328 node.N = node.P = null;

5329 var parent = node.U, sibling, left = node.L, right = node.R, next, red;

5330 if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right);

5331 if (parent) {

5332 if (parent.L === node) parent.L = next; else parent.R = next;

5333 } else {

5334 this._ = next;

5335 }

5336 if (left && right) {

5337 red = next.C;

5338 next.C = node.C;

5339 next.L = left;

5340 left.U = next;

5341 if (next !== right) {

5342 parent = next.U;

5343 next.U = node.U;

5344 node = next.R;

5345 parent.L = node;

5346 next.R = right;

5347 right.U = next;

5348 } else {

5349 next.U = parent;

5350 parent = next;

5351 node = next.R;

5352 }

5353 } else {

5354 red = node.C;

5355 node = next;

5356 }

5357 if (node) node.U = parent;

5358 if (red) return;

5359 if (node && node.C) {

5360 node.C = false;

5361 return;

5362 }

5363 do {

5364 if (node === this._) break;

5365 if (node === parent.L) {

5366 sibling = parent.R;

5367 if (sibling.C) {

5368 sibling.C = false;

5369 parent.C = true;

5370 d3_geom_voronoiRedBlackRotateLeft(this, parent);

5371 sibling = parent.R;

5372 }

5373 if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {

5374 if (!sibling.R || !sibling.R.C) {

5375 sibling.L.C = false;

5376 sibling.C = true;

5377 d3_geom_voronoiRedBlackRotateRight(this, sibling);

5378 sibling = parent.R;

5379 }

5380 sibling.C = parent.C;

5381 parent.C = sibling.R.C = false;

5382 d3_geom_voronoiRedBlackRotateLeft(this, parent);

5383 node = this._;

5384 break;

5385 }

5386 } else {

5387 sibling = parent.L;

5388 if (sibling.C) {

5389 sibling.C = false;

5390 parent.C = true;

5391 d3_geom_voronoiRedBlackRotateRight(this, parent);

5392 sibling = parent.L;

5393 }

5394 if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {

5395 if (!sibling.L || !sibling.L.C) {

5396 sibling.R.C = false;

5397 sibling.C = true;

5398 d3_geom_voronoiRedBlackRotateLeft(this, sibling);

5399 sibling = parent.L;

5400 }

5401 sibling.C = parent.C;

5402 parent.C = sibling.L.C = false;

5403 d3_geom_voronoiRedBlackRotateRight(this, parent);

5404 node = this._;

5405 break;

5406 }

5407 }

5408 sibling.C = true;

5409 node = parent;

5410 parent = parent.U;

5411 } while (!node.C);

5412 if (node) node.C = false;

5413 }

5414 };

5415 function d3_geom_voronoiRedBlackRotateLeft(tree, node) {

5416 var p = node, q = node.R, parent = p.U;

5417 if (parent) {

5418 if (parent.L === p) parent.L = q; else parent.R = q;

5419 } else {

5420 tree._ = q;

5421 }

5422 q.U = parent;

5423 p.U = q;

5424 p.R = q.L;

5425 if (p.R) p.R.U = p;

5426 q.L = p;

5428 function d3_geom_voronoiRedBlackRotateRight(tree, node) {

5429 var p = node, q = node.L, parent = p.U;

5430 if (parent) {

5431 if (parent.L === p) parent.L = q; else parent.R = q;

5432 } else {

5433 tree._ = q;

5434 }

5435 q.U = parent;

5436 p.U = q;

5437 p.L = q.R;

5438 if (p.L) p.L.U = p;

5439 q.R = p;

5441 function d3_geom_voronoiRedBlackFirst(node) {

5442 while (node.L) node = node.L;

5443 return node;

5445 function d3_geom_voronoi(sites, bbox) {

5446 var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle;

5447 d3_geom_voronoiEdges = [];

5448 d3_geom_voronoiCells = new Array(sites.length);

5449 d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree();

5450 d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree();

5451 while (true) {

5452 circle = d3_geom_voronoiFirstCircle;

5453 if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) {

5454 if (site.x !== x0 || site.y !== y0) {

5455 d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site);

5456 d3_geom_voronoiAddBeach(site);

5457 x0 = site.x, y0 = site.y;

5458 }

5459 site = sites.pop();

5460 } else if (circle) {

5461 d3_geom_voronoiRemoveBeach(circle.arc);

5462 } else {

5463 break;

5464 }

5465 }

5466 if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox);

5467 var diagram = {

5468 cells: d3_geom_voronoiCells,

5469 edges: d3_geom_voronoiEdges

5470 };

5471 d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null;

5472 return diagram;

5474 function d3_geom_voronoiVertexOrder(a, b) {

5475 return b.y - a.y || b.x - a.x;

5477 d3.geom.voronoi = function(points) {

5478 var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent;

5479 if (points) return voronoi(points);

5480 function voronoi(data) {

5481 var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1];

5482 d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) {

5483 var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) {

5484 var s = e.start();

5485 return [ s.x, s.y ];

5486 }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : [];

5487 polygon.point = data[i];

5488 });

5489 return polygons;

5490 }

5491 function sites(data) {

5492 return data.map(function(d, i) {

5493 return {

5494 x: Math.round(fx(d, i) / ε) * ε,

5495 y: Math.round(fy(d, i) / ε) * ε,

5496 i: i

5497 };

5498 });

5499 }

5500 voronoi.links = function(data) {

5501 return d3_geom_voronoi(sites(data)).edges.filter(function(edge) {

5502 return edge.l && edge.r;

5503 }).map(function(edge) {

5504 return {

5505 source: data[edge.l.i],

5506 target: data[edge.r.i]

5507 };

5508 });

5509 };

5510 voronoi.triangles = function(data) {

5511 var triangles = [];

5512 d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) {

5513 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;

5514 while (++j < m) {

5515 e0 = e1;

5516 s0 = s1;

5517 e1 = edges[j].edge;

5518 s1 = e1.l === site ? e1.r : e1.l;

5519 if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) {

5520 triangles.push([ data[i], data[s0.i], data[s1.i] ]);

5521 }

5522 }

5523 });

5524 return triangles;

5525 };

5526 voronoi.x = function(_) {

5527 return arguments.length ? (fx = d3_functor(x = _), voronoi) : x;

5528 };

5529 voronoi.y = function(_) {

5530 return arguments.length ? (fy = d3_functor(y = _), voronoi) : y;

5531 };

5532 voronoi.clipExtent = function(_) {

5533 if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent;

5534 clipExtent = _ == null ? d3_geom_voronoiClipExtent : _;

5535 return voronoi;

5536 };

5537 voronoi.size = function(_) {

5538 if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1];

5539 return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]);

5540 };

5541 return voronoi;

5542 };

5543 var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ];

5544 function d3_geom_voronoiTriangleArea(a, b, c) {

5545 return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y);

5547 d3.geom.delaunay = function(vertices) {

5548 return d3.geom.voronoi().triangles(vertices);

5549 };

5550 d3.geom.quadtree = function(points, x1, y1, x2, y2) {

5551 var x = d3_geom_pointX, y = d3_geom_pointY, compat;

5552 if (compat = arguments.length) {

5553 x = d3_geom_quadtreeCompatX;

5554 y = d3_geom_quadtreeCompatY;

5555 if (compat === 3) {

5556 y2 = y1;

5557 x2 = x1;

5558 y1 = x1 = 0;

5559 }

5560 return quadtree(points);

5561 }

5562 function quadtree(data) {

5563 var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;

5564 if (x1 != null) {

5565 x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;

5566 } else {

5567 x2_ = y2_ = -(x1_ = y1_ = Infinity);

5568 xs = [], ys = [];

5569 n = data.length;

5570 if (compat) for (i = 0; i < n; ++i) {

5571 d = data[i];

5572 if (d.x < x1_) x1_ = d.x;

5573 if (d.y < y1_) y1_ = d.y;

5574 if (d.x > x2_) x2_ = d.x;

5575 if (d.y > y2_) y2_ = d.y;

5576 xs.push(d.x);

5577 ys.push(d.y);

5578 } else for (i = 0; i < n; ++i) {

5579 var x_ = +fx(d = data[i], i), y_ = +fy(d, i);

5580 if (x_ < x1_) x1_ = x_;

5581 if (y_ < y1_) y1_ = y_;

5582 if (x_ > x2_) x2_ = x_;

5583 if (y_ > y2_) y2_ = y_;

5584 xs.push(x_);

5585 ys.push(y_);

5586 }

5587 }

5588 var dx = x2_ - x1_, dy = y2_ - y1_;

5589 if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;

5590 function insert(n, d, x, y, x1, y1, x2, y2) {

5591 if (isNaN(x) || isNaN(y)) return;

5592 if (n.leaf) {

5593 var nx = n.x, ny = n.y;

5594 if (nx != null) {

5595 if (abs(nx - x) + abs(ny - y) < .01) {

5596 insertChild(n, d, x, y, x1, y1, x2, y2);

5597 } else {

5598 var nPoint = n.point;

5599 n.x = n.y = n.point = null;

5600 insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);

5601 insertChild(n, d, x, y, x1, y1, x2, y2);

5602 }

5603 } else {

5604 n.x = x, n.y = y, n.point = d;

5605 }

5606 } else {

5607 insertChild(n, d, x, y, x1, y1, x2, y2);

5608 }

5609 }

5610 function insertChild(n, d, x, y, x1, y1, x2, y2) {

5611 var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right;

5612 n.leaf = false;

5613 n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());

5614 if (right) x1 = xm; else x2 = xm;

5615 if (below) y1 = ym; else y2 = ym;

5616 insert(n, d, x, y, x1, y1, x2, y2);

5617 }

5618 var root = d3_geom_quadtreeNode();

5619 root.add = function(d) {

5620 insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);

5621 };

5622 root.visit = function(f) {

5623 d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);

5624 };

5625 root.find = function(point) {

5626 return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_);

5627 };

5628 i = -1;

5629 if (x1 == null) {

5630 while (++i < n) {

5631 insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);

5632 }

5633 --i;

5634 } else data.forEach(root.add);

5635 xs = ys = data = d = null;

5636 return root;

5637 }

5638 quadtree.x = function(_) {

5639 return arguments.length ? (x = _, quadtree) : x;

5640 };

5641 quadtree.y = function(_) {

5642 return arguments.length ? (y = _, quadtree) : y;

5643 };

5644 quadtree.extent = function(_) {

5645 if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ];

5646 if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0],

5647 y2 = +_[1][1];

5648 return quadtree;

5649 };

5650 quadtree.size = function(_) {

5651 if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ];

5652 if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1];

5653 return quadtree;

5654 };

5655 return quadtree;

5656 };

5657 function d3_geom_quadtreeCompatX(d) {

5658 return d.x;

5660 function d3_geom_quadtreeCompatY(d) {

5661 return d.y;

5663 function d3_geom_quadtreeNode() {

5664 return {

5665 leaf: true,

5666 nodes: [],

5667 point: null,

5668 x: null,

5669 y: null

5670 };

5672 function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {

5673 if (!f(node, x1, y1, x2, y2)) {

5674 var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;

5675 if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);

5676 if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);

5677 if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);

5678 if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);

5679 }

5681 function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) {

5682 var minDistance2 = Infinity, closestPoint;

5683 (function find(node, x1, y1, x2, y2) {

5684 if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return;

5685 if (point = node.point) {

5686 var point, dx = x - node.x, dy = y - node.y, distance2 = dx * dx + dy * dy;

5687 if (distance2 < minDistance2) {

5688 var distance = Math.sqrt(minDistance2 = distance2);

5689 x0 = x - distance, y0 = y - distance;

5690 x3 = x + distance, y3 = y + distance;

5691 closestPoint = point;

5692 }

5693 }

5694 var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym;

5695 for (var i = below << 1 | right, j = i + 4; i < j; ++i) {

5696 if (node = children[i & 3]) switch (i & 3) {

5697 case 0:

5698 find(node, x1, y1, xm, ym);

5699 break;

5701 case 1:

5702 find(node, xm, y1, x2, ym);

5703 break;

5705 case 2:

5706 find(node, x1, ym, xm, y2);

5707 break;

5709 case 3:

5710 find(node, xm, ym, x2, y2);

5711 break;

5712 }

5713 }

5714 })(root, x0, y0, x3, y3);

5715 return closestPoint;

5717 d3.interpolateRgb = d3_interpolateRgb;

5718 function d3_interpolateRgb(a, b) {

5719 a = d3.rgb(a);

5720 b = d3.rgb(b);

5721 var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;

5722 return function(t) {

5723 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));

5724 };

5726 d3.interpolateObject = d3_interpolateObject;

5727 function d3_interpolateObject(a, b) {

5728 var i = {}, c = {}, k;

5729 for (k in a) {

5730 if (k in b) {

5731 i[k] = d3_interpolate(a[k], b[k]);

5732 } else {

5733 c[k] = a[k];

5734 }

5735 }

5736 for (k in b) {

5737 if (!(k in a)) {

5738 c[k] = b[k];

5739 }

5740 }

5741 return function(t) {

5742 for (k in i) c[k] = i[k](t);

5743 return c;

5744 };

5746 d3.interpolateNumber = d3_interpolateNumber;

5747 function d3_interpolateNumber(a, b) {

5748 a = +a, b = +b;

5749 return function(t) {

5750 return a * (1 - t) + b * t;

5751 };

5753 d3.interpolateString = d3_interpolateString;

5754 function d3_interpolateString(a, b) {

5755 var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = [];

5756 a = a + "", b = b + "";

5757 while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) {

5758 if ((bs = bm.index) > bi) {

5759 bs = b.slice(bi, bs);

5760 if (s[i]) s[i] += bs; else s[++i] = bs;

5761 }

5762 if ((am = am[0]) === (bm = bm[0])) {

5763 if (s[i]) s[i] += bm; else s[++i] = bm;

5764 } else {

5765 s[++i] = null;

5766 q.push({

5767 i: i,

5768 x: d3_interpolateNumber(am, bm)

5769 });

5770 }

5771 bi = d3_interpolate_numberB.lastIndex;

5772 }

5773 if (bi < b.length) {

5774 bs = b.slice(bi);

5775 if (s[i]) s[i] += bs; else s[++i] = bs;

5776 }

5777 return s.length < 2 ? q[0] ? (b = q[0].x, function(t) {

5778 return b(t) + "";

5779 }) : function() {

5780 return b;

5781 } : (b = q.length, function(t) {

5782 for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);

5783 return s.join("");

5784 });

5786 var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g");

5787 d3.interpolate = d3_interpolate;

5788 function d3_interpolate(a, b) {

5789 var i = d3.interpolators.length, f;

5790 while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;

5791 return f;

5793 d3.interpolators = [ function(a, b) {

5794 var t = typeof b;

5795 return (t === "string" ? d3_rgb_names.has(b.toLowerCase()) || /^(#|rgb\(|hsl\()/i.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);

5796 } ];

5797 d3.interpolateArray = d3_interpolateArray;

5798 function d3_interpolateArray(a, b) {

5799 var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;

5800 for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));

5801 for (;i < na; ++i) c[i] = a[i];

5802 for (;i < nb; ++i) c[i] = b[i];

5803 return function(t) {

5804 for (i = 0; i < n0; ++i) c[i] = x[i](t);

5805 return c;

5806 };

5808 var d3_ease_default = function() {

5809 return d3_identity;

5810 };

5811 var d3_ease = d3.map({

5812 linear: d3_ease_default,

5813 poly: d3_ease_poly,

5814 quad: function() {

5815 return d3_ease_quad;

5816 },

5817 cubic: function() {

5818 return d3_ease_cubic;

5819 },

5820 sin: function() {

5821 return d3_ease_sin;

5822 },

5823 exp: function() {

5824 return d3_ease_exp;

5825 },

5826 circle: function() {

5827 return d3_ease_circle;

5828 },

5829 elastic: d3_ease_elastic,

5830 back: d3_ease_back,

5831 bounce: function() {

5832 return d3_ease_bounce;

5833 }

5834 });

5835 var d3_ease_mode = d3.map({

5836 "in": d3_identity,

5837 out: d3_ease_reverse,

5838 "in-out": d3_ease_reflect,

5839 "out-in": function(f) {

5840 return d3_ease_reflect(d3_ease_reverse(f));

5841 }

5842 });

5843 d3.ease = function(name) {

5844 var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in";

5845 t = d3_ease.get(t) || d3_ease_default;

5846 m = d3_ease_mode.get(m) || d3_identity;

5847 return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1))));

5848 };

5849 function d3_ease_clamp(f) {

5850 return function(t) {

5851 return t <= 0 ? 0 : t >= 1 ? 1 : f(t);

5852 };

5854 function d3_ease_reverse(f) {

5855 return function(t) {

5856 return 1 - f(1 - t);

5857 };

5859 function d3_ease_reflect(f) {

5860 return function(t) {

5861 return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));

5862 };

5864 function d3_ease_quad(t) {

5865 return t * t;

5867 function d3_ease_cubic(t) {

5868 return t * t * t;

5870 function d3_ease_cubicInOut(t) {

5871 if (t <= 0) return 0;

5872 if (t >= 1) return 1;

5873 var t2 = t * t, t3 = t2 * t;

5874 return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);

5876 function d3_ease_poly(e) {

5877 return function(t) {

5878 return Math.pow(t, e);

5879 };

5881 function d3_ease_sin(t) {

5882 return 1 - Math.cos(t * halfπ);

5884 function d3_ease_exp(t) {

5885 return Math.pow(2, 10 * (t - 1));

5887 function d3_ease_circle(t) {

5888 return 1 - Math.sqrt(1 - t * t);

5890 function d3_ease_elastic(a, p) {

5891 var s;

5892 if (arguments.length < 2) p = .45;

5893 if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4;

5894 return function(t) {

5895 return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p);

5896 };

5898 function d3_ease_back(s) {

5899 if (!s) s = 1.70158;

5900 return function(t) {

5901 return t * t * ((s + 1) * t - s);

5902 };

5904 function d3_ease_bounce(t) {

5905 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;

5907 d3.interpolateHcl = d3_interpolateHcl;

5908 function d3_interpolateHcl(a, b) {

5909 a = d3.hcl(a);

5910 b = d3.hcl(b);

5911 var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;

5912 if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac;

5913 if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;

5914 return function(t) {

5915 return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";

5916 };

5918 d3.interpolateHsl = d3_interpolateHsl;

5919 function d3_interpolateHsl(a, b) {

5920 a = d3.hsl(a);

5921 b = d3.hsl(b);

5922 var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al;

5923 if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as;

5924 if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;

5925 return function(t) {

5926 return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + "";

5927 };

5929 d3.interpolateLab = d3_interpolateLab;

5930 function d3_interpolateLab(a, b) {

5931 a = d3.lab(a);

5932 b = d3.lab(b);

5933 var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;

5934 return function(t) {

5935 return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";

5936 };

5938 d3.interpolateRound = d3_interpolateRound;

5939 function d3_interpolateRound(a, b) {

5940 b -= a;

5941 return function(t) {

5942 return Math.round(a + b * t);

5943 };

5945 d3.transform = function(string) {

5946 var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");

5947 return (d3.transform = function(string) {

5948 if (string != null) {

5949 g.setAttribute("transform", string);

5950 var t = g.transform.baseVal.consolidate();

5951 }

5952 return new d3_transform(t ? t.matrix : d3_transformIdentity);

5953 })(string);

5954 };

5955 function d3_transform(m) {

5956 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;

5957 if (r0[0] * r1[1] < r1[0] * r0[1]) {

5958 r0[0] *= -1;

5959 r0[1] *= -1;

5960 kx *= -1;

5961 kz *= -1;

5962 }

5963 this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;

5964 this.translate = [ m.e, m.f ];

5965 this.scale = [ kx, ky ];

5966 this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;

5968 d3_transform.prototype.toString = function() {

5969 return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";

5970 };

5971 function d3_transformDot(a, b) {

5972 return a[0] * b[0] + a[1] * b[1];

5974 function d3_transformNormalize(a) {

5975 var k = Math.sqrt(d3_transformDot(a, a));

5976 if (k) {

5977 a[0] /= k;

5978 a[1] /= k;

5979 }

5980 return k;

5982 function d3_transformCombine(a, b, k) {

5983 a[0] += k * b[0];

5984 a[1] += k * b[1];

5985 return a;

5987 var d3_transformIdentity = {

5988 a: 1,

5989 b: 0,

5990 c: 0,

5991 d: 1,

5992 e: 0,

5993 f: 0

5994 };

5995 d3.interpolateTransform = d3_interpolateTransform;

5996 function d3_interpolateTransformPop(s) {

5997 return s.length ? s.pop() + "," : "";

5999 function d3_interpolateTranslate(ta, tb, s, q) {

6000 if (ta[0] !== tb[0] || ta[1] !== tb[1]) {

6001 var i = s.push("translate(", null, ",", null, ")");

6002 q.push({

6003 i: i - 4,

6004 x: d3_interpolateNumber(ta[0], tb[0])

6005 }, {

6006 i: i - 2,

6007 x: d3_interpolateNumber(ta[1], tb[1])

6008 });

6009 } else if (tb[0] || tb[1]) {

6010 s.push("translate(" + tb + ")");

6011 }

6013 function d3_interpolateRotate(ra, rb, s, q) {

6014 if (ra !== rb) {

6015 if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;

6016 q.push({

6017 i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2,

6018 x: d3_interpolateNumber(ra, rb)

6019 });

6020 } else if (rb) {

6021 s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")");

6022 }

6024 function d3_interpolateSkew(wa, wb, s, q) {

6025 if (wa !== wb) {

6026 q.push({

6027 i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2,

6028 x: d3_interpolateNumber(wa, wb)

6029 });

6030 } else if (wb) {

6031 s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")");

6032 }

6034 function d3_interpolateScale(ka, kb, s, q) {

6035 if (ka[0] !== kb[0] || ka[1] !== kb[1]) {

6036 var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")");

6037 q.push({

6038 i: i - 4,

6039 x: d3_interpolateNumber(ka[0], kb[0])

6040 }, {

6041 i: i - 2,

6042 x: d3_interpolateNumber(ka[1], kb[1])

6043 });

6044 } else if (kb[0] !== 1 || kb[1] !== 1) {

6045 s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")");

6046 }

6048 function d3_interpolateTransform(a, b) {

6049 var s = [], q = [];

6050 a = d3.transform(a), b = d3.transform(b);

6051 d3_interpolateTranslate(a.translate, b.translate, s, q);

6052 d3_interpolateRotate(a.rotate, b.rotate, s, q);

6053 d3_interpolateSkew(a.skew, b.skew, s, q);

6054 d3_interpolateScale(a.scale, b.scale, s, q);

6055 a = b = null;

6056 return function(t) {

6057 var i = -1, n = q.length, o;

6058 while (++i < n) s[(o = q[i]).i] = o.x(t);

6059 return s.join("");

6060 };

6062 function d3_uninterpolateNumber(a, b) {

6063 b = (b -= a = +a) || 1 / b;

6064 return function(x) {

6065 return (x - a) / b;

6066 };

6068 function d3_uninterpolateClamp(a, b) {

6069 b = (b -= a = +a) || 1 / b;

6070 return function(x) {

6071 return Math.max(0, Math.min(1, (x - a) / b));

6072 };

6074 d3.layout = {};

6075 d3.layout.bundle = function() {

6076 return function(links) {

6077 var paths = [], i = -1, n = links.length;

6078 while (++i < n) paths.push(d3_layout_bundlePath(links[i]));

6079 return paths;

6080 };

6081 };

6082 function d3_layout_bundlePath(link) {

6083 var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];

6084 while (start !== lca) {

6085 start = start.parent;

6086 points.push(start);

6087 }

6088 var k = points.length;

6089 while (end !== lca) {

6090 points.splice(k, 0, end);

6091 end = end.parent;

6092 }

6093 return points;

6095 function d3_layout_bundleAncestors(node) {

6096 var ancestors = [], parent = node.parent;

6097 while (parent != null) {

6098 ancestors.push(node);

6099 node = parent;

6100 parent = parent.parent;

6101 }

6102 ancestors.push(node);

6103 return ancestors;

6105 function d3_layout_bundleLeastCommonAncestor(a, b) {

6106 if (a === b) return a;

6107 var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;

6108 while (aNode === bNode) {

6109 sharedNode = aNode;

6110 aNode = aNodes.pop();

6111 bNode = bNodes.pop();

6112 }

6113 return sharedNode;

6115 d3.layout.chord = function() {

6116 var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;

6117 function relayout() {

6118 var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;

6119 chords = [];

6120 groups = [];

6121 k = 0, i = -1;

6122 while (++i < n) {

6123 x = 0, j = -1;

6124 while (++j < n) {

6125 x += matrix[i][j];

6126 }

6127 groupSums.push(x);

6128 subgroupIndex.push(d3.range(n));

6129 k += x;

6130 }

6131 if (sortGroups) {

6132 groupIndex.sort(function(a, b) {

6133 return sortGroups(groupSums[a], groupSums[b]);

6134 });

6135 }

6136 if (sortSubgroups) {

6137 subgroupIndex.forEach(function(d, i) {

6138 d.sort(function(a, b) {

6139 return sortSubgroups(matrix[i][a], matrix[i][b]);

6140 });

6141 });

6142 }

6143 k = (τ - padding * n) / k;

6144 x = 0, i = -1;

6145 while (++i < n) {

6146 x0 = x, j = -1;

6147 while (++j < n) {

6148 var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;

6149 subgroups[di + "-" + dj] = {

6150 index: di,

6151 subindex: dj,

6152 startAngle: a0,

6153 endAngle: a1,

6154 value: v

6155 };

6156 }

6157 groups[di] = {

6158 index: di,

6159 startAngle: x0,

6160 endAngle: x,

6161 value: groupSums[di]

6162 };

6163 x += padding;

6164 }

6165 i = -1;

6166 while (++i < n) {

6167 j = i - 1;

6168 while (++j < n) {

6169 var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];

6170 if (source.value || target.value) {

6171 chords.push(source.value < target.value ? {

6172 source: target,

6173 target: source

6174 } : {

6175 source: source,

6176 target: target

6177 });

6178 }

6179 }

6180 }

6181 if (sortChords) resort();

6182 }

6183 function resort() {

6184 chords.sort(function(a, b) {

6185 return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);

6186 });

6187 }

6188 chord.matrix = function(x) {

6189 if (!arguments.length) return matrix;

6190 n = (matrix = x) && matrix.length;

6191 chords = groups = null;

6192 return chord;

6193 };

6194 chord.padding = function(x) {

6195 if (!arguments.length) return padding;

6196 padding = x;

6197 chords = groups = null;

6198 return chord;

6199 };

6200 chord.sortGroups = function(x) {

6201 if (!arguments.length) return sortGroups;

6202 sortGroups = x;

6203 chords = groups = null;

6204 return chord;

6205 };

6206 chord.sortSubgroups = function(x) {

6207 if (!arguments.length) return sortSubgroups;

6208 sortSubgroups = x;

6209 chords = null;

6210 return chord;

6211 };

6212 chord.sortChords = function(x) {

6213 if (!arguments.length) return sortChords;

6214 sortChords = x;

6215 if (chords) resort();

6216 return chord;

6217 };

6218 chord.chords = function() {

6219 if (!chords) relayout();

6220 return chords;

6221 };

6222 chord.groups = function() {

6223 if (!groups) relayout();

6224 return groups;

6225 };

6226 return chord;

6227 };

6228 d3.layout.force = function() {

6229 var force = {}, event = d3.dispatch("start", "tick", "end"), timer, 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;

6230 function repulse(node) {

6231 return function(quad, x1, _, x2) {

6232 if (quad.point !== node) {

6233 var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy;

6234 if (dw * dw / theta2 < dn) {

6235 if (dn < chargeDistance2) {

6236 var k = quad.charge / dn;

6237 node.px -= dx * k;

6238 node.py -= dy * k;

6239 }

6240 return true;

6241 }

6242 if (quad.point && dn && dn < chargeDistance2) {

6243 var k = quad.pointCharge / dn;

6244 node.px -= dx * k;

6245 node.py -= dy * k;

6246 }

6247 }

6248 return !quad.charge;

6249 };

6250 }

6251 force.tick = function() {

6252 if ((alpha *= .99) < .005) {

6253 timer = null;

6254 event.end({

6255 type: "end",

6256 alpha: alpha = 0

6257 });

6258 return true;

6259 }

6260 var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;

6261 for (i = 0; i < m; ++i) {

6262 o = links[i];

6263 s = o.source;

6264 t = o.target;

6265 x = t.x - s.x;

6266 y = t.y - s.y;

6267 if (l = x * x + y * y) {

6268 l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;

6269 x *= l;

6270 y *= l;

6271 t.x -= x * (k = s.weight + t.weight ? s.weight / (s.weight + t.weight) : .5);

6272 t.y -= y * k;

6273 s.x += x * (k = 1 - k);

6274 s.y += y * k;

6275 }

6276 }

6277 if (k = alpha * gravity) {

6278 x = size[0] / 2;

6279 y = size[1] / 2;

6280 i = -1;

6281 if (k) while (++i < n) {

6282 o = nodes[i];

6283 o.x += (x - o.x) * k;

6284 o.y += (y - o.y) * k;

6285 }

6286 }

6287 if (charge) {

6288 d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);

6289 i = -1;

6290 while (++i < n) {

6291 if (!(o = nodes[i]).fixed) {

6292 q.visit(repulse(o));

6293 }

6294 }

6295 }

6296 i = -1;

6297 while (++i < n) {

6298 o = nodes[i];

6299 if (o.fixed) {

6300 o.x = o.px;

6301 o.y = o.py;

6302 } else {

6303 o.x -= (o.px - (o.px = o.x)) * friction;

6304 o.y -= (o.py - (o.py = o.y)) * friction;

6305 }

6306 }

6307 event.tick({

6308 type: "tick",

6309 alpha: alpha

6310 });

6311 };

6312 force.nodes = function(x) {

6313 if (!arguments.length) return nodes;

6314 nodes = x;

6315 return force;

6316 };

6317 force.links = function(x) {

6318 if (!arguments.length) return links;

6319 links = x;

6320 return force;

6321 };

6322 force.size = function(x) {

6323 if (!arguments.length) return size;

6324 size = x;

6325 return force;

6326 };

6327 force.linkDistance = function(x) {

6328 if (!arguments.length) return linkDistance;

6329 linkDistance = typeof x === "function" ? x : +x;

6330 return force;

6331 };

6332 force.distance = force.linkDistance;

6333 force.linkStrength = function(x) {

6334 if (!arguments.length) return linkStrength;

6335 linkStrength = typeof x === "function" ? x : +x;

6336 return force;

6337 };

6338 force.friction = function(x) {

6339 if (!arguments.length) return friction;

6340 friction = +x;

6341 return force;

6342 };

6343 force.charge = function(x) {

6344 if (!arguments.length) return charge;

6345 charge = typeof x === "function" ? x : +x;

6346 return force;

6347 };

6348 force.chargeDistance = function(x) {

6349 if (!arguments.length) return Math.sqrt(chargeDistance2);

6350 chargeDistance2 = x * x;

6351 return force;

6352 };

6353 force.gravity = function(x) {

6354 if (!arguments.length) return gravity;

6355 gravity = +x;

6356 return force;

6357 };

6358 force.theta = function(x) {

6359 if (!arguments.length) return Math.sqrt(theta2);

6360 theta2 = x * x;

6361 return force;

6362 };

6363 force.alpha = function(x) {

6364 if (!arguments.length) return alpha;

6365 x = +x;

6366 if (alpha) {

6367 if (x > 0) {

6368 alpha = x;

6369 } else {

6370 timer.c = null, timer.t = NaN, timer = null;

6371 event.end({

6372 type: "end",

6373 alpha: alpha = 0

6374 });

6375 }

6376 } else if (x > 0) {

6377 event.start({

6378 type: "start",

6379 alpha: alpha = x

6380 });

6381 timer = d3_timer(force.tick);

6382 }

6383 return force;

6384 };

6385 force.start = function() {

6386 var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;

6387 for (i = 0; i < n; ++i) {

6388 (o = nodes[i]).index = i;

6389 o.weight = 0;

6390 }

6391 for (i = 0; i < m; ++i) {

6392 o = links[i];

6393 if (typeof o.source == "number") o.source = nodes[o.source];

6394 if (typeof o.target == "number") o.target = nodes[o.target];

6395 ++o.source.weight;

6396 ++o.target.weight;

6397 }

6398 for (i = 0; i < n; ++i) {

6399 o = nodes[i];

6400 if (isNaN(o.x)) o.x = position("x", w);

6401 if (isNaN(o.y)) o.y = position("y", h);

6402 if (isNaN(o.px)) o.px = o.x;

6403 if (isNaN(o.py)) o.py = o.y;

6404 }

6405 distances = [];

6406 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;

6407 strengths = [];

6408 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;

6409 charges = [];

6410 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;

6411 function position(dimension, size) {

6412 if (!neighbors) {

6413 neighbors = new Array(n);

6414 for (j = 0; j < n; ++j) {

6415 neighbors[j] = [];

6416 }

6417 for (j = 0; j < m; ++j) {

6418 var o = links[j];

6419 neighbors[o.source.index].push(o.target);

6420 neighbors[o.target.index].push(o.source);

6421 }

6422 }

6423 var candidates = neighbors[i], j = -1, l = candidates.length, x;

6424 while (++j < l) if (!isNaN(x = candidates[j][dimension])) return x;

6425 return Math.random() * size;

6426 }

6427 return force.resume();

6428 };

6429 force.resume = function() {

6430 return force.alpha(.1);

6431 };

6432 force.stop = function() {

6433 return force.alpha(0);

6434 };

6435 force.drag = function() {

6436 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);

6437 if (!arguments.length) return drag;

6438 this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);

6439 };

6440 function dragmove(d) {

6441 d.px = d3.event.x, d.py = d3.event.y;

6442 force.resume();

6443 }

6444 return d3.rebind(force, event, "on");

6445 };

6446 function d3_layout_forceDragstart(d) {

6447 d.fixed |= 2;

6449 function d3_layout_forceDragend(d) {

6450 d.fixed &= ~6;

6452 function d3_layout_forceMouseover(d) {

6453 d.fixed |= 4;

6454 d.px = d.x, d.py = d.y;

6456 function d3_layout_forceMouseout(d) {

6457 d.fixed &= ~4;

6459 function d3_layout_forceAccumulate(quad, alpha, charges) {

6460 var cx = 0, cy = 0;

6461 quad.charge = 0;

6462 if (!quad.leaf) {

6463 var nodes = quad.nodes, n = nodes.length, i = -1, c;

6464 while (++i < n) {

6465 c = nodes[i];

6466 if (c == null) continue;

6467 d3_layout_forceAccumulate(c, alpha, charges);

6468 quad.charge += c.charge;

6469 cx += c.charge * c.cx;

6470 cy += c.charge * c.cy;

6471 }

6472 }

6473 if (quad.point) {

6474 if (!quad.leaf) {

6475 quad.point.x += Math.random() - .5;

6476 quad.point.y += Math.random() - .5;

6477 }

6478 var k = alpha * charges[quad.point.index];

6479 quad.charge += quad.pointCharge = k;

6480 cx += k * quad.point.x;

6481 cy += k * quad.point.y;

6482 }

6483 quad.cx = cx / quad.charge;

6484 quad.cy = cy / quad.charge;

6486 var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity;

6487 d3.layout.hierarchy = function() {

6488 var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;

6489 function hierarchy(root) {

6490 var stack = [ root ], nodes = [], node;

6491 root.depth = 0;

6492 while ((node = stack.pop()) != null) {

6493 nodes.push(node);

6494 if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) {

6495 var n, childs, child;

6496 while (--n >= 0) {

6497 stack.push(child = childs[n]);

6498 child.parent = node;

6499 child.depth = node.depth + 1;

6500 }

6501 if (value) node.value = 0;

6502 node.children = childs;

6503 } else {

6504 if (value) node.value = +value.call(hierarchy, node, node.depth) || 0;

6505 delete node.children;

6506 }

6507 }

6508 d3_layout_hierarchyVisitAfter(root, function(node) {

6509 var childs, parent;

6510 if (sort && (childs = node.children)) childs.sort(sort);

6511 if (value && (parent = node.parent)) parent.value += node.value;

6512 });

6513 return nodes;

6514 }

6515 hierarchy.sort = function(x) {

6516 if (!arguments.length) return sort;

6517 sort = x;

6518 return hierarchy;

6519 };

6520 hierarchy.children = function(x) {

6521 if (!arguments.length) return children;

6522 children = x;

6523 return hierarchy;

6524 };

6525 hierarchy.value = function(x) {

6526 if (!arguments.length) return value;

6527 value = x;

6528 return hierarchy;

6529 };

6530 hierarchy.revalue = function(root) {

6531 if (value) {

6532 d3_layout_hierarchyVisitBefore(root, function(node) {

6533 if (node.children) node.value = 0;

6534 });

6535 d3_layout_hierarchyVisitAfter(root, function(node) {

6536 var parent;

6537 if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0;

6538 if (parent = node.parent) parent.value += node.value;

6539 });

6540 }

6541 return root;

6542 };

6543 return hierarchy;

6544 };

6545 function d3_layout_hierarchyRebind(object, hierarchy) {

6546 d3.rebind(object, hierarchy, "sort", "children", "value");

6547 object.nodes = object;

6548 object.links = d3_layout_hierarchyLinks;

6549 return object;

6551 function d3_layout_hierarchyVisitBefore(node, callback) {

6552 var nodes = [ node ];

6553 while ((node = nodes.pop()) != null) {

6554 callback(node);

6555 if ((children = node.children) && (n = children.length)) {

6556 var n, children;

6557 while (--n >= 0) nodes.push(children[n]);

6558 }

6559 }

6561 function d3_layout_hierarchyVisitAfter(node, callback) {

6562 var nodes = [ node ], nodes2 = [];

6563 while ((node = nodes.pop()) != null) {

6564 nodes2.push(node);

6565 if ((children = node.children) && (n = children.length)) {

6566 var i = -1, n, children;

6567 while (++i < n) nodes.push(children[i]);

6568 }

6569 }

6570 while ((node = nodes2.pop()) != null) {

6571 callback(node);

6572 }

6574 function d3_layout_hierarchyChildren(d) {

6575 return d.children;

6577 function d3_layout_hierarchyValue(d) {

6578 return d.value;

6580 function d3_layout_hierarchySort(a, b) {

6581 return b.value - a.value;

6583 function d3_layout_hierarchyLinks(nodes) {

6584 return d3.merge(nodes.map(function(parent) {

6585 return (parent.children || []).map(function(child) {

6586 return {

6587 source: parent,

6588 target: child

6589 };

6590 });

6591 }));

6593 d3.layout.partition = function() {

6594 var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];

6595 function position(node, x, dx, dy) {

6596 var children = node.children;

6597 node.x = x;

6598 node.y = node.depth * dy;

6599 node.dx = dx;

6600 node.dy = dy;

6601 if (children && (n = children.length)) {

6602 var i = -1, n, c, d;

6603 dx = node.value ? dx / node.value : 0;

6604 while (++i < n) {

6605 position(c = children[i], x, d = c.value * dx, dy);

6606 x += d;

6607 }

6608 }

6609 }

6610 function depth(node) {

6611 var children = node.children, d = 0;

6612 if (children && (n = children.length)) {

6613 var i = -1, n;

6614 while (++i < n) d = Math.max(d, depth(children[i]));

6615 }

6616 return 1 + d;

6617 }

6618 function partition(d, i) {

6619 var nodes = hierarchy.call(this, d, i);

6620 position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));

6621 return nodes;

6622 }

6623 partition.size = function(x) {

6624 if (!arguments.length) return size;

6625 size = x;

6626 return partition;

6627 };

6628 return d3_layout_hierarchyRebind(partition, hierarchy);

6629 };

6630 d3.layout.pie = function() {

6631 var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0;

6632 function pie(data) {

6633 var n = data.length, values = data.map(function(d, i) {

6634 return +value.call(pie, d, i);

6635 }), 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), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, index = d3.range(n), arcs = [], v;

6636 if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {

6637 return values[j] - values[i];

6638 } : function(i, j) {

6639 return sort(data[i], data[j]);

6640 });

6641 index.forEach(function(i) {

6642 arcs[i] = {

6643 data: data[i],

6644 value: v = values[i],

6645 startAngle: a,

6646 endAngle: a += v * k + pa,

6647 padAngle: p

6648 };

6649 });

6650 return arcs;

6651 }

6652 pie.value = function(_) {

6653 if (!arguments.length) return value;

6654 value = _;

6655 return pie;

6656 };

6657 pie.sort = function(_) {

6658 if (!arguments.length) return sort;

6659 sort = _;

6660 return pie;

6661 };

6662 pie.startAngle = function(_) {

6663 if (!arguments.length) return startAngle;

6664 startAngle = _;

6665 return pie;

6666 };

6667 pie.endAngle = function(_) {

6668 if (!arguments.length) return endAngle;

6669 endAngle = _;

6670 return pie;

6671 };

6672 pie.padAngle = function(_) {

6673 if (!arguments.length) return padAngle;

6674 padAngle = _;

6675 return pie;

6676 };

6677 return pie;

6678 };

6679 var d3_layout_pieSortByValue = {};

6680 d3.layout.stack = function() {

6681 var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;

6682 function stack(data, index) {

6683 if (!(n = data.length)) return data;

6684 var series = data.map(function(d, i) {

6685 return values.call(stack, d, i);

6686 });

6687 var points = series.map(function(d) {

6688 return d.map(function(v, i) {

6689 return [ x.call(stack, v, i), y.call(stack, v, i) ];

6690 });

6691 });

6692 var orders = order.call(stack, points, index);

6693 series = d3.permute(series, orders);

6694 points = d3.permute(points, orders);

6695 var offsets = offset.call(stack, points, index);

6696 var m = series[0].length, n, i, j, o;

6697 for (j = 0; j < m; ++j) {

6698 out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);

6699 for (i = 1; i < n; ++i) {

6700 out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);

6701 }

6702 }

6703 return data;

6704 }

6705 stack.values = function(x) {

6706 if (!arguments.length) return values;

6707 values = x;

6708 return stack;

6709 };

6710 stack.order = function(x) {

6711 if (!arguments.length) return order;

6712 order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;

6713 return stack;

6714 };

6715 stack.offset = function(x) {

6716 if (!arguments.length) return offset;

6717 offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;

6718 return stack;

6719 };

6720 stack.x = function(z) {

6721 if (!arguments.length) return x;

6722 x = z;

6723 return stack;

6724 };

6725 stack.y = function(z) {

6726 if (!arguments.length) return y;

6727 y = z;

6728 return stack;

6729 };

6730 stack.out = function(z) {

6731 if (!arguments.length) return out;

6732 out = z;

6733 return stack;

6734 };

6735 return stack;

6736 };

6737 function d3_layout_stackX(d) {

6738 return d.x;

6740 function d3_layout_stackY(d) {

6741 return d.y;

6743 function d3_layout_stackOut(d, y0, y) {

6744 d.y0 = y0;

6745 d.y = y;

6747 var d3_layout_stackOrders = d3.map({

6748 "inside-out": function(data) {

6749 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) {

6750 return max[a] - max[b];

6751 }), top = 0, bottom = 0, tops = [], bottoms = [];

6752 for (i = 0; i < n; ++i) {

6753 j = index[i];

6754 if (top < bottom) {

6755 top += sums[j];

6756 tops.push(j);

6757 } else {

6758 bottom += sums[j];

6759 bottoms.push(j);

6760 }

6761 }

6762 return bottoms.reverse().concat(tops);

6763 },

6764 reverse: function(data) {

6765 return d3.range(data.length).reverse();

6766 },

6767 "default": d3_layout_stackOrderDefault

6768 });

6769 var d3_layout_stackOffsets = d3.map({

6770 silhouette: function(data) {

6771 var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];

6772 for (j = 0; j < m; ++j) {

6773 for (i = 0, o = 0; i < n; i++) o += data[i][j][1];

6774 if (o > max) max = o;

6775 sums.push(o);

6776 }

6777 for (j = 0; j < m; ++j) {

6778 y0[j] = (max - sums[j]) / 2;

6779 }

6780 return y0;

6781 },

6782 wiggle: function(data) {

6783 var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];

6784 y0[0] = o = o0 = 0;

6785 for (j = 1; j < m; ++j) {

6786 for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];

6787 for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {

6788 for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {

6789 s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;

6790 }

6791 s2 += s3 * data[i][j][1];

6792 }

6793 y0[j] = o -= s1 ? s2 / s1 * dx : 0;

6794 if (o < o0) o0 = o;

6795 }

6796 for (j = 0; j < m; ++j) y0[j] -= o0;

6797 return y0;

6798 },

6799 expand: function(data) {

6800 var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];

6801 for (j = 0; j < m; ++j) {

6802 for (i = 0, o = 0; i < n; i++) o += data[i][j][1];

6803 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;

6804 }

6805 for (j = 0; j < m; ++j) y0[j] = 0;

6806 return y0;

6807 },

6808 zero: d3_layout_stackOffsetZero

6809 });

6810 function d3_layout_stackOrderDefault(data) {

6811 return d3.range(data.length);

6813 function d3_layout_stackOffsetZero(data) {

6814 var j = -1, m = data[0].length, y0 = [];

6815 while (++j < m) y0[j] = 0;

6816 return y0;

6818 function d3_layout_stackMaxIndex(array) {

6819 var i = 1, j = 0, v = array[0][1], k, n = array.length;

6820 for (;i < n; ++i) {

6821 if ((k = array[i][1]) > v) {

6822 j = i;

6823 v = k;

6824 }

6825 }

6826 return j;

6828 function d3_layout_stackReduceSum(d) {

6829 return d.reduce(d3_layout_stackSum, 0);

6831 function d3_layout_stackSum(p, d) {

6832 return p + d[1];

6834 d3.layout.histogram = function() {

6835 var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;

6836 function histogram(data, i) {

6837 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;

6838 while (++i < m) {

6839 bin = bins[i] = [];

6840 bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);

6841 bin.y = 0;

6842 }

6843 if (m > 0) {

6844 i = -1;

6845 while (++i < n) {

6846 x = values[i];

6847 if (x >= range[0] && x <= range[1]) {

6848 bin = bins[d3.bisect(thresholds, x, 1, m) - 1];

6849 bin.y += k;

6850 bin.push(data[i]);

6851 }

6852 }

6853 }

6854 return bins;

6855 }

6856 histogram.value = function(x) {

6857 if (!arguments.length) return valuer;

6858 valuer = x;

6859 return histogram;

6860 };

6861 histogram.range = function(x) {

6862 if (!arguments.length) return ranger;

6863 ranger = d3_functor(x);

6864 return histogram;

6865 };

6866 histogram.bins = function(x) {

6867 if (!arguments.length) return binner;

6868 binner = typeof x === "number" ? function(range) {

6869 return d3_layout_histogramBinFixed(range, x);

6870 } : d3_functor(x);

6871 return histogram;

6872 };

6873 histogram.frequency = function(x) {

6874 if (!arguments.length) return frequency;

6875 frequency = !!x;

6876 return histogram;

6877 };

6878 return histogram;

6879 };

6880 function d3_layout_histogramBinSturges(range, values) {

6881 return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));

6883 function d3_layout_histogramBinFixed(range, n) {

6884 var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];

6885 while (++x <= n) f[x] = m * x + b;

6886 return f;

6888 function d3_layout_histogramRange(values) {

6889 return [ d3.min(values), d3.max(values) ];

6891 d3.layout.pack = function() {

6892 var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius;

6893 function pack(d, i) {

6894 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() {

6895 return radius;

6896 };

6897 root.x = root.y = 0;

6898 d3_layout_hierarchyVisitAfter(root, function(d) {

6899 d.r = +r(d.value);

6900 });

6901 d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);

6902 if (padding) {

6903 var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2;

6904 d3_layout_hierarchyVisitAfter(root, function(d) {

6905 d.r += dr;

6906 });

6907 d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);

6908 d3_layout_hierarchyVisitAfter(root, function(d) {

6909 d.r -= dr;

6910 });

6911 }

6912 d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h));

6913 return nodes;

6914 }

6915 pack.size = function(_) {

6916 if (!arguments.length) return size;

6917 size = _;

6918 return pack;

6919 };

6920 pack.radius = function(_) {

6921 if (!arguments.length) return radius;

6922 radius = _ == null || typeof _ === "function" ? _ : +_;

6923 return pack;

6924 };

6925 pack.padding = function(_) {

6926 if (!arguments.length) return padding;

6927 padding = +_;

6928 return pack;

6929 };

6930 return d3_layout_hierarchyRebind(pack, hierarchy);

6931 };

6932 function d3_layout_packSort(a, b) {

6933 return a.value - b.value;

6935 function d3_layout_packInsert(a, b) {

6936 var c = a._pack_next;

6937 a._pack_next = b;

6938 b._pack_prev = a;

6939 b._pack_next = c;

6940 c._pack_prev = b;

6942 function d3_layout_packSplice(a, b) {

6943 a._pack_next = b;

6944 b._pack_prev = a;

6946 function d3_layout_packIntersects(a, b) {

6947 var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;

6948 return .999 * dr * dr > dx * dx + dy * dy;

6950 function d3_layout_packSiblings(node) {

6951 if (!(nodes = node.children) || !(n = nodes.length)) return;

6952 var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;

6953 function bound(node) {

6954 xMin = Math.min(node.x - node.r, xMin);

6955 xMax = Math.max(node.x + node.r, xMax);

6956 yMin = Math.min(node.y - node.r, yMin);

6957 yMax = Math.max(node.y + node.r, yMax);

6958 }

6959 nodes.forEach(d3_layout_packLink);

6960 a = nodes[0];

6961 a.x = -a.r;

6962 a.y = 0;

6963 bound(a);

6964 if (n > 1) {

6965 b = nodes[1];

6966 b.x = b.r;

6967 b.y = 0;

6968 bound(b);

6969 if (n > 2) {

6970 c = nodes[2];

6971 d3_layout_packPlace(a, b, c);

6972 bound(c);

6973 d3_layout_packInsert(a, c);

6974 a._pack_prev = c;

6975 d3_layout_packInsert(c, b);

6976 b = a._pack_next;

6977 for (i = 3; i < n; i++) {

6978 d3_layout_packPlace(a, b, c = nodes[i]);

6979 var isect = 0, s1 = 1, s2 = 1;

6980 for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {

6981 if (d3_layout_packIntersects(j, c)) {

6982 isect = 1;

6983 break;

6984 }

6985 }

6986 if (isect == 1) {

6987 for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {

6988 if (d3_layout_packIntersects(k, c)) {

6989 break;

6990 }

6991 }

6992 }

6993 if (isect) {

6994 if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);

6995 i--;

6996 } else {

6997 d3_layout_packInsert(a, c);

6998 b = c;

6999 bound(c);

7000 }

7001 }

7002 }

7003 }

7004 var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;

7005 for (i = 0; i < n; i++) {

7006 c = nodes[i];

7007 c.x -= cx;

7008 c.y -= cy;

7009 cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));

7010 }

7011 node.r = cr;

7012 nodes.forEach(d3_layout_packUnlink);

7014 function d3_layout_packLink(node) {

7015 node._pack_next = node._pack_prev = node;

7017 function d3_layout_packUnlink(node) {

7018 delete node._pack_next;

7019 delete node._pack_prev;

7021 function d3_layout_packTransform(node, x, y, k) {

7022 var children = node.children;

7023 node.x = x += k * node.x;

7024 node.y = y += k * node.y;

7025 node.r *= k;

7026 if (children) {

7027 var i = -1, n = children.length;

7028 while (++i < n) d3_layout_packTransform(children[i], x, y, k);

7029 }

7031 function d3_layout_packPlace(a, b, c) {

7032 var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;

7033 if (db && (dx || dy)) {

7034 var da = b.r + c.r, dc = dx * dx + dy * dy;

7035 da *= da;

7036 db *= db;

7037 var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);

7038 c.x = a.x + x * dx + y * dy;

7039 c.y = a.y + x * dy - y * dx;

7040 } else {

7041 c.x = a.x + db;

7042 c.y = a.y;

7043 }

7045 d3.layout.tree = function() {

7046 var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null;

7047 function tree(d, i) {

7048 var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0);

7049 d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z;

7050 d3_layout_hierarchyVisitBefore(root1, secondWalk);

7051 if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else {

7052 var left = root0, right = root0, bottom = root0;

7053 d3_layout_hierarchyVisitBefore(root0, function(node) {

7054 if (node.x < left.x) left = node;

7055 if (node.x > right.x) right = node;

7056 if (node.depth > bottom.depth) bottom = node;

7057 });

7058 var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1);

7059 d3_layout_hierarchyVisitBefore(root0, function(node) {

7060 node.x = (node.x + tx) * kx;

7061 node.y = node.depth * ky;

7062 });

7063 }

7064 return nodes;

7065 }

7066 function wrapTree(root0) {

7067 var root1 = {

7068 A: null,

7069 children: [ root0 ]

7070 }, queue = [ root1 ], node1;

7071 while ((node1 = queue.pop()) != null) {

7072 for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) {

7073 queue.push((children[i] = child = {

7074 _: children[i],

7075 parent: node1,

7076 children: (child = children[i].children) && child.slice() || [],

7077 A: null,

7078 a: null,

7079 z: 0,

7080 m: 0,

7081 c: 0,

7082 s: 0,

7083 t: null,

7084 i: i

7085 }).a = child);

7086 }

7087 }

7088 return root1.children[0];

7089 }

7090 function firstWalk(v) {

7091 var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null;

7092 if (children.length) {

7093 d3_layout_treeShift(v);

7094 var midpoint = (children[0].z + children[children.length - 1].z) / 2;

7095 if (w) {

7096 v.z = w.z + separation(v._, w._);

7097 v.m = v.z - midpoint;

7098 } else {

7099 v.z = midpoint;

7100 }

7101 } else if (w) {

7102 v.z = w.z + separation(v._, w._);

7103 }

7104 v.parent.A = apportion(v, w, v.parent.A || siblings[0]);

7105 }

7106 function secondWalk(v) {

7107 v._.x = v.z + v.parent.m;

7108 v.m += v.parent.m;

7109 }

7110 function apportion(v, w, ancestor) {

7111 if (w) {

7112 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;

7113 while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {

7114 vom = d3_layout_treeLeft(vom);

7115 vop = d3_layout_treeRight(vop);

7116 vop.a = v;

7117 shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);

7118 if (shift > 0) {

7119 d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift);

7120 sip += shift;

7121 sop += shift;

7122 }

7123 sim += vim.m;

7124 sip += vip.m;

7125 som += vom.m;

7126 sop += vop.m;

7127 }

7128 if (vim && !d3_layout_treeRight(vop)) {

7129 vop.t = vim;

7130 vop.m += sim - sop;

7131 }

7132 if (vip && !d3_layout_treeLeft(vom)) {

7133 vom.t = vip;

7134 vom.m += sip - som;

7135 ancestor = v;

7136 }

7137 }

7138 return ancestor;

7139 }

7140 function sizeNode(node) {

7141 node.x *= size[0];

7142 node.y = node.depth * size[1];

7143 }

7144 tree.separation = function(x) {

7145 if (!arguments.length) return separation;

7146 separation = x;

7147 return tree;

7148 };

7149 tree.size = function(x) {

7150 if (!arguments.length) return nodeSize ? null : size;

7151 nodeSize = (size = x) == null ? sizeNode : null;

7152 return tree;

7153 };

7154 tree.nodeSize = function(x) {

7155 if (!arguments.length) return nodeSize ? size : null;

7156 nodeSize = (size = x) == null ? null : sizeNode;

7157 return tree;

7158 };

7159 return d3_layout_hierarchyRebind(tree, hierarchy);

7160 };

7161 function d3_layout_treeSeparation(a, b) {

7162 return a.parent == b.parent ? 1 : 2;

7164 function d3_layout_treeLeft(v) {

7165 var children = v.children;

7166 return children.length ? children[0] : v.t;

7168 function d3_layout_treeRight(v) {

7169 var children = v.children, n;

7170 return (n = children.length) ? children[n - 1] : v.t;

7172 function d3_layout_treeMove(wm, wp, shift) {

7173 var change = shift / (wp.i - wm.i);

7174 wp.c -= change;

7175 wp.s += shift;

7176 wm.c += change;

7177 wp.z += shift;

7178 wp.m += shift;

7180 function d3_layout_treeShift(v) {

7181 var shift = 0, change = 0, children = v.children, i = children.length, w;

7182 while (--i >= 0) {

7183 w = children[i];

7184 w.z += shift;

7185 w.m += shift;

7186 shift += w.s + (change += w.c);

7187 }

7189 function d3_layout_treeAncestor(vim, v, ancestor) {

7190 return vim.a.parent === v.parent ? vim.a : ancestor;

7192 d3.layout.cluster = function() {

7193 var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false;

7194 function cluster(d, i) {

7195 var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;

7196 d3_layout_hierarchyVisitAfter(root, function(node) {

7197 var children = node.children;

7198 if (children && children.length) {

7199 node.x = d3_layout_clusterX(children);

7200 node.y = d3_layout_clusterY(children);

7201 } else {

7202 node.x = previousNode ? x += separation(node, previousNode) : 0;

7203 node.y = 0;

7204 previousNode = node;

7205 }

7206 });

7207 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;

7208 d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) {

7209 node.x = (node.x - root.x) * size[0];

7210 node.y = (root.y - node.y) * size[1];

7211 } : function(node) {

7212 node.x = (node.x - x0) / (x1 - x0) * size[0];

7213 node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];

7214 });

7215 return nodes;

7216 }

7217 cluster.separation = function(x) {

7218 if (!arguments.length) return separation;

7219 separation = x;

7220 return cluster;

7221 };

7222 cluster.size = function(x) {

7223 if (!arguments.length) return nodeSize ? null : size;

7224 nodeSize = (size = x) == null;

7225 return cluster;

7226 };

7227 cluster.nodeSize = function(x) {

7228 if (!arguments.length) return nodeSize ? size : null;

7229 nodeSize = (size = x) != null;

7230 return cluster;

7231 };

7232 return d3_layout_hierarchyRebind(cluster, hierarchy);

7233 };

7234 function d3_layout_clusterY(children) {

7235 return 1 + d3.max(children, function(child) {

7236 return child.y;

7237 });

7239 function d3_layout_clusterX(children) {

7240 return children.reduce(function(x, child) {

7241 return x + child.x;

7242 }, 0) / children.length;

7244 function d3_layout_clusterLeft(node) {

7245 var children = node.children;

7246 return children && children.length ? d3_layout_clusterLeft(children[0]) : node;

7248 function d3_layout_clusterRight(node) {

7249 var children = node.children, n;

7250 return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;

7252 d3.layout.treemap = function() {

7253 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));

7254 function scale(children, k) {

7255 var i = -1, n = children.length, child, area;

7256 while (++i < n) {

7257 area = (child = children[i]).value * (k < 0 ? 0 : k);

7258 child.area = isNaN(area) || area <= 0 ? 0 : area;

7259 }

7260 }

7261 function squarify(node) {

7262 var children = node.children;

7263 if (children && children.length) {

7264 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;

7265 scale(remaining, rect.dx * rect.dy / node.value);

7266 row.area = 0;

7267 while ((n = remaining.length) > 0) {

7268 row.push(child = remaining[n - 1]);

7269 row.area += child.area;

7270 if (mode !== "squarify" || (score = worst(row, u)) <= best) {

7271 remaining.pop();

7272 best = score;

7273 } else {

7274 row.area -= row.pop().area;

7275 position(row, u, rect, false);

7276 u = Math.min(rect.dx, rect.dy);

7277 row.length = row.area = 0;

7278 best = Infinity;

7279 }

7280 }

7281 if (row.length) {

7282 position(row, u, rect, true);

7283 row.length = row.area = 0;

7284 }

7285 children.forEach(squarify);

7286 }

7287 }

7288 function stickify(node) {

7289 var children = node.children;

7290 if (children && children.length) {

7291 var rect = pad(node), remaining = children.slice(), child, row = [];

7292 scale(remaining, rect.dx * rect.dy / node.value);

7293 row.area = 0;

7294 while (child = remaining.pop()) {

7295 row.push(child);

7296 row.area += child.area;

7297 if (child.z != null) {

7298 position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);

7299 row.length = row.area = 0;

7300 }

7301 }

7302 children.forEach(stickify);

7303 }

7304 }

7305 function worst(row, u) {

7306 var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;

7307 while (++i < n) {

7308 if (!(r = row[i].area)) continue;

7309 if (r < rmin) rmin = r;

7310 if (r > rmax) rmax = r;

7311 }

7312 s *= s;

7313 u *= u;

7314 return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;

7315 }

7316 function position(row, u, rect, flush) {

7317 var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;

7318 if (u == rect.dx) {

7319 if (flush || v > rect.dy) v = rect.dy;

7320 while (++i < n) {

7321 o = row[i];

7322 o.x = x;

7323 o.y = y;

7324 o.dy = v;

7325 x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);

7326 }

7327 o.z = true;

7328 o.dx += rect.x + rect.dx - x;

7329 rect.y += v;

7330 rect.dy -= v;

7331 } else {

7332 if (flush || v > rect.dx) v = rect.dx;

7333 while (++i < n) {

7334 o = row[i];

7335 o.x = x;

7336 o.y = y;

7337 o.dx = v;

7338 y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);

7339 }

7340 o.z = false;

7341 o.dy += rect.y + rect.dy - y;

7342 rect.x += v;

7343 rect.dx -= v;

7344 }

7345 }

7346 function treemap(d) {

7347 var nodes = stickies || hierarchy(d), root = nodes[0];

7348 root.x = root.y = 0;

7349 if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0;

7350 if (stickies) hierarchy.revalue(root);

7351 scale([ root ], root.dx * root.dy / root.value);

7352 (stickies ? stickify : squarify)(root);

7353 if (sticky) stickies = nodes;

7354 return nodes;

7355 }

7356 treemap.size = function(x) {

7357 if (!arguments.length) return size;

7358 size = x;

7359 return treemap;

7360 };

7361 treemap.padding = function(x) {

7362 if (!arguments.length) return padding;

7363 function padFunction(node) {

7364 var p = x.call(treemap, node, node.depth);

7365 return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);

7366 }

7367 function padConstant(node) {

7368 return d3_layout_treemapPad(node, x);

7369 }

7370 var type;

7371 pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ],

7372 padConstant) : padConstant;

7373 return treemap;

7374 };

7375 treemap.round = function(x) {

7376 if (!arguments.length) return round != Number;

7377 round = x ? Math.round : Number;

7378 return treemap;

7379 };

7380 treemap.sticky = function(x) {

7381 if (!arguments.length) return sticky;

7382 sticky = x;

7383 stickies = null;

7384 return treemap;

7385 };

7386 treemap.ratio = function(x) {

7387 if (!arguments.length) return ratio;

7388 ratio = x;

7389 return treemap;

7390 };

7391 treemap.mode = function(x) {

7392 if (!arguments.length) return mode;

7393 mode = x + "";

7394 return treemap;

7395 };

7396 return d3_layout_hierarchyRebind(treemap, hierarchy);

7397 };

7398 function d3_layout_treemapPadNull(node) {

7399 return {

7400 x: node.x,

7401 y: node.y,

7402 dx: node.dx,

7403 dy: node.dy

7404 };

7406 function d3_layout_treemapPad(node, padding) {

7407 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];

7408 if (dx < 0) {

7409 x += dx / 2;

7410 dx = 0;

7411 }

7412 if (dy < 0) {

7413 y += dy / 2;

7414 dy = 0;

7415 }

7416 return {

7417 x: x,

7418 y: y,

7419 dx: dx,

7420 dy: dy

7421 };

7423 d3.random = {

7424 normal: function(µ, σ) {

7425 var n = arguments.length;

7426 if (n < 2) σ = 1;

7427 if (n < 1) µ = 0;

7428 return function() {

7429 var x, y, r;

7430 do {

7431 x = Math.random() * 2 - 1;

7432 y = Math.random() * 2 - 1;

7433 r = x * x + y * y;

7434 } while (!r || r > 1);

7435 return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);

7436 };

7437 },

7438 logNormal: function() {

7439 var random = d3.random.normal.apply(d3, arguments);

7440 return function() {

7441 return Math.exp(random());

7442 };

7443 },

7444 bates: function(m) {

7445 var random = d3.random.irwinHall(m);

7446 return function() {

7447 return random() / m;

7448 };

7449 },

7450 irwinHall: function(m) {

7451 return function() {

7452 for (var s = 0, j = 0; j < m; j++) s += Math.random();

7453 return s;

7454 };

7455 }

7456 };

7457 d3.scale = {};

7458 function d3_scaleExtent(domain) {

7459 var start = domain[0], stop = domain[domain.length - 1];

7460 return start < stop ? [ start, stop ] : [ stop, start ];

7462 function d3_scaleRange(scale) {

7463 return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());

7465 function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {

7466 var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);

7467 return function(x) {

7468 return i(u(x));

7469 };

7471 function d3_scale_nice(domain, nice) {

7472 var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;

7473 if (x1 < x0) {

7474 dx = i0, i0 = i1, i1 = dx;

7475 dx = x0, x0 = x1, x1 = dx;

7476 }

7477 domain[i0] = nice.floor(x0);

7478 domain[i1] = nice.ceil(x1);

7479 return domain;

7481 function d3_scale_niceStep(step) {

7482 return step ? {

7483 floor: function(x) {

7484 return Math.floor(x / step) * step;

7485 },

7486 ceil: function(x) {

7487 return Math.ceil(x / step) * step;

7488 }

7489 } : d3_scale_niceIdentity;

7491 var d3_scale_niceIdentity = {

7492 floor: d3_identity,

7493 ceil: d3_identity

7494 };

7495 function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {

7496 var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;

7497 if (domain[k] < domain[0]) {

7498 domain = domain.slice().reverse();

7499 range = range.slice().reverse();

7500 }

7501 while (++j <= k) {

7502 u.push(uninterpolate(domain[j - 1], domain[j]));

7503 i.push(interpolate(range[j - 1], range[j]));

7504 }

7505 return function(x) {

7506 var j = d3.bisect(domain, x, 1, k) - 1;

7507 return i[j](u[j](x));

7508 };

7510 d3.scale.linear = function() {

7511 return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);

7512 };

7513 function d3_scale_linear(domain, range, interpolate, clamp) {

7514 var output, input;

7515 function rescale() {

7516 var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;

7517 output = linear(domain, range, uninterpolate, interpolate);

7518 input = linear(range, domain, uninterpolate, d3_interpolate);

7519 return scale;

7520 }

7521 function scale(x) {

7522 return output(x);

7523 }

7524 scale.invert = function(y) {

7525 return input(y);

7526 };

7527 scale.domain = function(x) {

7528 if (!arguments.length) return domain;

7529 domain = x.map(Number);

7530 return rescale();

7531 };

7532 scale.range = function(x) {

7533 if (!arguments.length) return range;

7534 range = x;

7535 return rescale();

7536 };

7537 scale.rangeRound = function(x) {

7538 return scale.range(x).interpolate(d3_interpolateRound);

7539 };

7540 scale.clamp = function(x) {

7541 if (!arguments.length) return clamp;

7542 clamp = x;

7543 return rescale();

7544 };

7545 scale.interpolate = function(x) {

7546 if (!arguments.length) return interpolate;

7547 interpolate = x;

7548 return rescale();

7549 };

7550 scale.ticks = function(m) {

7551 return d3_scale_linearTicks(domain, m);

7552 };

7553 scale.tickFormat = function(m, format) {

7554 return d3_scale_linearTickFormat(domain, m, format);

7555 };

7556 scale.nice = function(m) {

7557 d3_scale_linearNice(domain, m);

7558 return rescale();

7559 };

7560 scale.copy = function() {

7561 return d3_scale_linear(domain, range, interpolate, clamp);

7562 };

7563 return rescale();

7565 function d3_scale_linearRebind(scale, linear) {

7566 return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");

7568 function d3_scale_linearNice(domain, m) {

7569 d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));

7570 d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));

7571 return domain;

7573 function d3_scale_linearTickRange(domain, m) {

7574 if (m == null) m = 10;

7575 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;

7576 if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;

7577 extent[0] = Math.ceil(extent[0] / step) * step;

7578 extent[1] = Math.floor(extent[1] / step) * step + step * .5;

7579 extent[2] = step;

7580 return extent;

7582 function d3_scale_linearTicks(domain, m) {

7583 return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));

7585 function d3_scale_linearTickFormat(domain, m, format) {

7586 var range = d3_scale_linearTickRange(domain, m);

7587 if (format) {

7588 var match = d3_format_re.exec(format);

7589 match.shift();

7590 if (match[8] === "s") {

7591 var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1])));

7592 if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2]));

7593 match[8] = "f";

7594 format = d3.format(match.join(""));

7595 return function(d) {

7596 return format(prefix.scale(d)) + prefix.symbol;

7597 };

7598 }

7599 if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range);

7600 format = match.join("");

7601 } else {

7602 format = ",." + d3_scale_linearPrecision(range[2]) + "f";

7603 }

7604 return d3.format(format);

7606 var d3_scale_linearFormatSignificant = {

7607 s: 1,

7608 g: 1,

7609 p: 1,

7610 r: 1,

7611 e: 1

7612 };

7613 function d3_scale_linearPrecision(value) {

7614 return -Math.floor(Math.log(value) / Math.LN10 + .01);

7616 function d3_scale_linearFormatPrecision(type, range) {

7617 var p = d3_scale_linearPrecision(range[2]);

7618 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;

7620 d3.scale.log = function() {

7621 return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]);

7622 };

7623 function d3_scale_log(linear, base, positive, domain) {

7624 function log(x) {

7625 return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base);

7626 }

7627 function pow(x) {

7628 return positive ? Math.pow(base, x) : -Math.pow(base, -x);

7629 }

7630 function scale(x) {

7631 return linear(log(x));

7632 }

7633 scale.invert = function(x) {

7634 return pow(linear.invert(x));

7635 };

7636 scale.domain = function(x) {

7637 if (!arguments.length) return domain;

7638 positive = x[0] >= 0;

7639 linear.domain((domain = x.map(Number)).map(log));

7640 return scale;

7641 };

7642 scale.base = function(_) {

7643 if (!arguments.length) return base;

7644 base = +_;

7645 linear.domain(domain.map(log));

7646 return scale;

7647 };

7648 scale.nice = function() {

7649 var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative);

7650 linear.domain(niced);

7651 domain = niced.map(pow);

7652 return scale;

7653 };

7654 scale.ticks = function() {

7655 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;

7656 if (isFinite(j - i)) {

7657 if (positive) {

7658 for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k);

7659 ticks.push(pow(i));

7660 } else {

7661 ticks.push(pow(i));

7662 for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k);

7663 }

7664 for (i = 0; ticks[i] < u; i++) {}

7665 for (j = ticks.length; ticks[j - 1] > v; j--) {}

7666 ticks = ticks.slice(i, j);

7667 }

7668 return ticks;

7669 };

7670 scale.tickFormat = function(n, format) {

7671 if (!arguments.length) return d3_scale_logFormat;

7672 if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format);

7673 var k = Math.max(1, base * n / scale.ticks().length);

7674 return function(d) {

7675 var i = d / pow(Math.round(log(d)));

7676 if (i * base < base - .5) i *= base;

7677 return i <= k ? format(d) : "";

7678 };

7679 };

7680 scale.copy = function() {

7681 return d3_scale_log(linear.copy(), base, positive, domain);

7682 };

7683 return d3_scale_linearRebind(scale, linear);

7685 var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = {

7686 floor: function(x) {

7687 return -Math.ceil(-x);

7688 },

7689 ceil: function(x) {

7690 return -Math.floor(-x);

7691 }

7692 };

7693 d3.scale.pow = function() {

7694 return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]);

7695 };

7696 function d3_scale_pow(linear, exponent, domain) {

7697 var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);

7698 function scale(x) {

7699 return linear(powp(x));

7700 }

7701 scale.invert = function(x) {

7702 return powb(linear.invert(x));

7703 };

7704 scale.domain = function(x) {

7705 if (!arguments.length) return domain;

7706 linear.domain((domain = x.map(Number)).map(powp));

7707 return scale;

7708 };

7709 scale.ticks = function(m) {

7710 return d3_scale_linearTicks(domain, m);

7711 };

7712 scale.tickFormat = function(m, format) {

7713 return d3_scale_linearTickFormat(domain, m, format);

7714 };

7715 scale.nice = function(m) {

7716 return scale.domain(d3_scale_linearNice(domain, m));

7717 };

7718 scale.exponent = function(x) {

7719 if (!arguments.length) return exponent;

7720 powp = d3_scale_powPow(exponent = x);

7721 powb = d3_scale_powPow(1 / exponent);

7722 linear.domain(domain.map(powp));

7723 return scale;

7724 };

7725 scale.copy = function() {

7726 return d3_scale_pow(linear.copy(), exponent, domain);

7727 };

7728 return d3_scale_linearRebind(scale, linear);

7730 function d3_scale_powPow(e) {

7731 return function(x) {

7732 return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);

7733 };

7735 d3.scale.sqrt = function() {

7736 return d3.scale.pow().exponent(.5);

7737 };

7738 d3.scale.ordinal = function() {

7739 return d3_scale_ordinal([], {

7740 t: "range",

7741 a: [ [] ]

7742 });

7743 };

7744 function d3_scale_ordinal(domain, ranger) {

7745 var index, range, rangeBand;

7746 function scale(x) {

7747 return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length];

7748 }

7749 function steps(start, step) {

7750 return d3.range(domain.length).map(function(i) {

7751 return start + step * i;

7752 });

7753 }

7754 scale.domain = function(x) {

7755 if (!arguments.length) return domain;

7756 domain = [];

7757 index = new d3_Map();

7758 var i = -1, n = x.length, xi;

7759 while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));

7760 return scale[ranger.t].apply(scale, ranger.a);

7761 };

7762 scale.range = function(x) {

7763 if (!arguments.length) return range;

7764 range = x;

7765 rangeBand = 0;

7766 ranger = {

7767 t: "range",

7768 a: arguments

7769 };

7770 return scale;

7771 };

7772 scale.rangePoints = function(x, padding) {

7773 if (arguments.length < 2) padding = 0;

7774 var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2,

7775 0) : (stop - start) / (domain.length - 1 + padding);

7776 range = steps(start + step * padding / 2, step);

7777 rangeBand = 0;

7778 ranger = {

7779 t: "rangePoints",

7780 a: arguments

7781 };

7782 return scale;

7783 };

7784 scale.rangeRoundPoints = function(x, padding) {

7785 if (arguments.length < 2) padding = 0;

7786 var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2),

7787 0) : (stop - start) / (domain.length - 1 + padding) | 0;

7788 range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step);

7789 rangeBand = 0;

7790 ranger = {

7791 t: "rangeRoundPoints",

7792 a: arguments

7793 };

7794 return scale;

7795 };

7796 scale.rangeBands = function(x, padding, outerPadding) {

7797 if (arguments.length < 2) padding = 0;

7798 if (arguments.length < 3) outerPadding = padding;

7799 var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);

7800 range = steps(start + step * outerPadding, step);

7801 if (reverse) range.reverse();

7802 rangeBand = step * (1 - padding);

7803 ranger = {

7804 t: "rangeBands",

7805 a: arguments

7806 };

7807 return scale;

7808 };

7809 scale.rangeRoundBands = function(x, padding, outerPadding) {

7810 if (arguments.length < 2) padding = 0;

7811 if (arguments.length < 3) outerPadding = padding;

7812 var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding));

7813 range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step);

7814 if (reverse) range.reverse();

7815 rangeBand = Math.round(step * (1 - padding));

7816 ranger = {

7817 t: "rangeRoundBands",

7818 a: arguments

7819 };

7820 return scale;

7821 };

7822 scale.rangeBand = function() {

7823 return rangeBand;

7824 };

7825 scale.rangeExtent = function() {

7826 return d3_scaleExtent(ranger.a[0]);

7827 };

7828 scale.copy = function() {

7829 return d3_scale_ordinal(domain, ranger);

7830 };

7831 return scale.domain(domain);

7833 d3.scale.category10 = function() {

7834 return d3.scale.ordinal().range(d3_category10);

7835 };

7836 d3.scale.category20 = function() {

7837 return d3.scale.ordinal().range(d3_category20);

7838 };

7839 d3.scale.category20b = function() {

7840 return d3.scale.ordinal().range(d3_category20b);

7841 };

7842 d3.scale.category20c = function() {

7843 return d3.scale.ordinal().range(d3_category20c);

7844 };

7845 var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString);

7846 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);

7847 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);

7848 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);

7849 d3.scale.quantile = function() {

7850 return d3_scale_quantile([], []);

7851 };

7852 function d3_scale_quantile(domain, range) {

7853 var thresholds;

7854 function rescale() {

7855 var k = 0, q = range.length;

7856 thresholds = [];

7857 while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);

7858 return scale;

7859 }

7860 function scale(x) {

7861 if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)];

7862 }

7863 scale.domain = function(x) {

7864 if (!arguments.length) return domain;

7865 domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending);

7866 return rescale();

7867 };

7868 scale.range = function(x) {

7869 if (!arguments.length) return range;

7870 range = x;

7871 return rescale();

7872 };

7873 scale.quantiles = function() {

7874 return thresholds;

7875 };

7876 scale.invertExtent = function(y) {

7877 y = range.indexOf(y);

7878 return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ];

7879 };

7880 scale.copy = function() {

7881 return d3_scale_quantile(domain, range);

7882 };

7883 return rescale();

7885 d3.scale.quantize = function() {

7886 return d3_scale_quantize(0, 1, [ 0, 1 ]);

7887 };

7888 function d3_scale_quantize(x0, x1, range) {

7889 var kx, i;

7890 function scale(x) {

7891 return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];

7892 }

7893 function rescale() {

7894 kx = range.length / (x1 - x0);

7895 i = range.length - 1;

7896 return scale;

7897 }

7898 scale.domain = function(x) {

7899 if (!arguments.length) return [ x0, x1 ];

7900 x0 = +x[0];

7901 x1 = +x[x.length - 1];

7902 return rescale();

7903 };

7904 scale.range = function(x) {

7905 if (!arguments.length) return range;

7906 range = x;

7907 return rescale();

7908 };

7909 scale.invertExtent = function(y) {

7910 y = range.indexOf(y);

7911 y = y < 0 ? NaN : y / kx + x0;

7912 return [ y, y + 1 / kx ];

7913 };

7914 scale.copy = function() {

7915 return d3_scale_quantize(x0, x1, range);

7916 };

7917 return rescale();

7919 d3.scale.threshold = function() {

7920 return d3_scale_threshold([ .5 ], [ 0, 1 ]);

7921 };

7922 function d3_scale_threshold(domain, range) {

7923 function scale(x) {

7924 if (x <= x) return range[d3.bisect(domain, x)];

7925 }

7926 scale.domain = function(_) {

7927 if (!arguments.length) return domain;

7928 domain = _;

7929 return scale;

7930 };

7931 scale.range = function(_) {

7932 if (!arguments.length) return range;

7933 range = _;

7934 return scale;

7935 };

7936 scale.invertExtent = function(y) {

7937 y = range.indexOf(y);

7938 return [ domain[y - 1], domain[y] ];

7939 };

7940 scale.copy = function() {

7941 return d3_scale_threshold(domain, range);

7942 };

7943 return scale;

7945 d3.scale.identity = function() {

7946 return d3_scale_identity([ 0, 1 ]);

7947 };

7948 function d3_scale_identity(domain) {

7949 function identity(x) {

7950 return +x;

7951 }

7952 identity.invert = identity;

7953 identity.domain = identity.range = function(x) {

7954 if (!arguments.length) return domain;

7955 domain = x.map(identity);

7956 return identity;

7957 };

7958 identity.ticks = function(m) {

7959 return d3_scale_linearTicks(domain, m);

7960 };

7961 identity.tickFormat = function(m, format) {

7962 return d3_scale_linearTickFormat(domain, m, format);

7963 };

7964 identity.copy = function() {

7965 return d3_scale_identity(domain);

7966 };

7967 return identity;

7969 d3.svg = {};

7970 function d3_zero() {

7971 return 0;

7973 d3.svg.arc = function() {

7974 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;

7975 function arc() {

7976 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;

7977 if (r1 < r0) rc = r1, r1 = r0, r0 = rc;

7978 if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z";

7979 var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = [];

7980 if (ap = (+padAngle.apply(this, arguments) || 0) / 2) {

7981 rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments);

7982 if (!cw) p1 *= -1;

7983 if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap));

7984 if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap));

7985 }

7986 if (r1) {

7987 x0 = r1 * Math.cos(a0 + p1);

7988 y0 = r1 * Math.sin(a0 + p1);

7989 x1 = r1 * Math.cos(a1 - p1);

7990 y1 = r1 * Math.sin(a1 - p1);

7991 var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1;

7992 if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) {

7993 var h1 = (a0 + a1) / 2;

7994 x0 = r1 * Math.cos(h1);

7995 y0 = r1 * Math.sin(h1);

7996 x1 = y1 = null;

7997 }

7998 } else {

7999 x0 = y0 = 0;

8000 }

8001 if (r0) {

8002 x2 = r0 * Math.cos(a1 - p0);

8003 y2 = r0 * Math.sin(a1 - p0);

8004 x3 = r0 * Math.cos(a0 + p0);

8005 y3 = r0 * Math.sin(a0 + p0);

8006 var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1;

8007 if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) {

8008 var h0 = (a0 + a1) / 2;

8009 x2 = r0 * Math.cos(h0);

8010 y2 = r0 * Math.sin(h0);

8011 x3 = y3 = null;

8012 }

8013 } else {

8014 x2 = y2 = 0;

8015 }

8016 if (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) {

8017 cr = r0 < r1 ^ cw ? 0 : 1;

8018 var rc1 = rc, rc0 = rc;

8019 if (da < π) {

8020 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]);

8021 rc0 = Math.min(rc, (r0 - lc) / (kc - 1));

8022 rc1 = Math.min(rc, (r1 - lc) / (kc + 1));

8023 }

8024 if (x1 != null) {

8025 var 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);

8026 if (rc === rc1) {

8027 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]);

8028 } else {

8029 path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]);

8030 }

8031 } else {

8032 path.push("M", x0, ",", y0);

8033 }

8034 if (x3 != null) {

8035 var 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);

8036 if (rc === rc0) {

8037 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]);

8038 } else {

8039 path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);

8040 }

8041 } else {

8042 path.push("L", x2, ",", y2);

8043 }

8044 } else {

8045 path.push("M", x0, ",", y0);

8046 if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1);

8047 path.push("L", x2, ",", y2);

8048 if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3);

8049 }

8050 path.push("Z");

8051 return path.join("");

8052 }

8053 function circleSegment(r1, cw) {

8054 return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1;

8055 }

8056 arc.innerRadius = function(v) {

8057 if (!arguments.length) return innerRadius;

8058 innerRadius = d3_functor(v);

8059 return arc;

8060 };

8061 arc.outerRadius = function(v) {

8062 if (!arguments.length) return outerRadius;

8063 outerRadius = d3_functor(v);

8064 return arc;

8065 };

8066 arc.cornerRadius = function(v) {

8067 if (!arguments.length) return cornerRadius;

8068 cornerRadius = d3_functor(v);

8069 return arc;

8070 };

8071 arc.padRadius = function(v) {

8072 if (!arguments.length) return padRadius;

8073 padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v);

8074 return arc;

8075 };

8076 arc.startAngle = function(v) {

8077 if (!arguments.length) return startAngle;

8078 startAngle = d3_functor(v);

8079 return arc;

8080 };

8081 arc.endAngle = function(v) {

8082 if (!arguments.length) return endAngle;

8083 endAngle = d3_functor(v);

8084 return arc;

8085 };

8086 arc.padAngle = function(v) {

8087 if (!arguments.length) return padAngle;

8088 padAngle = d3_functor(v);

8089 return arc;

8090 };

8091 arc.centroid = function() {

8092 var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ;

8093 return [ Math.cos(a) * r, Math.sin(a) * r ];

8094 };

8095 return arc;

8096 };

8097 var d3_svg_arcAuto = "auto";

8098 function d3_svg_arcInnerRadius(d) {

8099 return d.innerRadius;

8101 function d3_svg_arcOuterRadius(d) {

8102 return d.outerRadius;

8104 function d3_svg_arcStartAngle(d) {

8105 return d.startAngle;

8107 function d3_svg_arcEndAngle(d) {

8108 return d.endAngle;

8110 function d3_svg_arcPadAngle(d) {

8111 return d && d.padAngle;

8113 function d3_svg_arcSweep(x0, y0, x1, y1) {

8114 return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1;

8116 function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) {

8117 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(Math.max(0, 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;

8118 if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;

8119 return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ];

8121 function d3_svg_line(projection) {

8122 var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;

8123 function line(data) {

8124 var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);

8125 function segment() {

8126 segments.push("M", interpolate(projection(points), tension));

8127 }

8128 while (++i < n) {

8129 if (defined.call(this, d = data[i], i)) {

8130 points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);

8131 } else if (points.length) {

8132 segment();

8133 points = [];

8134 }

8135 }

8136 if (points.length) segment();

8137 return segments.length ? segments.join("") : null;

8138 }

8139 line.x = function(_) {

8140 if (!arguments.length) return x;

8141 x = _;

8142 return line;

8143 };

8144 line.y = function(_) {

8145 if (!arguments.length) return y;

8146 y = _;

8147 return line;

8148 };

8149 line.defined = function(_) {

8150 if (!arguments.length) return defined;

8151 defined = _;

8152 return line;

8153 };

8154 line.interpolate = function(_) {

8155 if (!arguments.length) return interpolateKey;

8156 if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;

8157 return line;

8158 };

8159 line.tension = function(_) {

8160 if (!arguments.length) return tension;

8161 tension = _;

8162 return line;

8163 };

8164 return line;

8166 d3.svg.line = function() {

8167 return d3_svg_line(d3_identity);

8168 };

8169 var d3_svg_lineInterpolators = d3.map({

8170 linear: d3_svg_lineLinear,

8171 "linear-closed": d3_svg_lineLinearClosed,

8172 step: d3_svg_lineStep,

8173 "step-before": d3_svg_lineStepBefore,

8174 "step-after": d3_svg_lineStepAfter,

8175 basis: d3_svg_lineBasis,

8176 "basis-open": d3_svg_lineBasisOpen,

8177 "basis-closed": d3_svg_lineBasisClosed,

8178 bundle: d3_svg_lineBundle,

8179 cardinal: d3_svg_lineCardinal,

8180 "cardinal-open": d3_svg_lineCardinalOpen,

8181 "cardinal-closed": d3_svg_lineCardinalClosed,

8182 monotone: d3_svg_lineMonotone

8183 });

8184 d3_svg_lineInterpolators.forEach(function(key, value) {

8185 value.key = key;

8186 value.closed = /-closed$/.test(key);

8187 });

8188 function d3_svg_lineLinear(points) {

8189 return points.length > 1 ? points.join("L") : points + "Z";

8191 function d3_svg_lineLinearClosed(points) {

8192 return points.join("L") + "Z";

8194 function d3_svg_lineStep(points) {

8195 var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];

8196 while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]);

8197 if (n > 1) path.push("H", p[0]);

8198 return path.join("");

8200 function d3_svg_lineStepBefore(points) {

8201 var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];

8202 while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);

8203 return path.join("");

8205 function d3_svg_lineStepAfter(points) {

8206 var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];

8207 while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);

8208 return path.join("");

8210 function d3_svg_lineCardinalOpen(points, tension) {

8211 return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension));

8213 function d3_svg_lineCardinalClosed(points, tension) {

8214 return points.length < 3 ? d3_svg_lineLinearClosed(points) : points[0] + d3_svg_lineHermite((points.push(points[0]),

8215 points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));

8217 function d3_svg_lineCardinal(points, tension) {

8218 return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));

8220 function d3_svg_lineHermite(points, tangents) {

8221 if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {

8222 return d3_svg_lineLinear(points);

8223 }

8224 var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;

8225 if (quad) {

8226 path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];

8227 p0 = points[1];

8228 pi = 2;

8229 }

8230 if (tangents.length > 1) {

8231 t = tangents[1];

8232 p = points[pi];

8233 pi++;

8234 path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];

8235 for (var i = 2; i < tangents.length; i++, pi++) {

8236 p = points[pi];

8237 t = tangents[i];

8238 path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];

8239 }

8240 }

8241 if (quad) {

8242 var lp = points[pi];

8243 path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];

8244 }

8245 return path;

8247 function d3_svg_lineCardinalTangents(points, tension) {

8248 var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;

8249 while (++i < n) {

8250 p0 = p1;

8251 p1 = p2;

8252 p2 = points[i];

8253 tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);

8254 }

8255 return tangents;

8257 function d3_svg_lineBasis(points) {

8258 if (points.length < 3) return d3_svg_lineLinear(points);

8259 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) ];

8260 points.push(points[n - 1]);

8261 while (++i <= n) {

8262 pi = points[i];

8263 px.shift();

8264 px.push(pi[0]);

8265 py.shift();

8266 py.push(pi[1]);

8267 d3_svg_lineBasisBezier(path, px, py);

8268 }

8269 points.pop();

8270 path.push("L", pi);

8271 return path.join("");

8273 function d3_svg_lineBasisOpen(points) {

8274 if (points.length < 4) return d3_svg_lineLinear(points);

8275 var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];

8276 while (++i < 3) {

8277 pi = points[i];

8278 px.push(pi[0]);

8279 py.push(pi[1]);

8280 }

8281 path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));

8282 --i;

8283 while (++i < n) {

8284 pi = points[i];

8285 px.shift();

8286 px.push(pi[0]);

8287 py.shift();

8288 py.push(pi[1]);

8289 d3_svg_lineBasisBezier(path, px, py);

8290 }

8291 return path.join("");

8293 function d3_svg_lineBasisClosed(points) {

8294 var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];

8295 while (++i < 4) {

8296 pi = points[i % n];

8297 px.push(pi[0]);

8298 py.push(pi[1]);

8299 }

8300 path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];

8301 --i;

8302 while (++i < m) {

8303 pi = points[i % n];

8304 px.shift();

8305 px.push(pi[0]);

8306 py.shift();

8307 py.push(pi[1]);

8308 d3_svg_lineBasisBezier(path, px, py);

8309 }

8310 return path.join("");

8312 function d3_svg_lineBundle(points, tension) {

8313 var n = points.length - 1;

8314 if (n) {

8315 var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;

8316 while (++i <= n) {

8317 p = points[i];

8318 t = i / n;

8319 p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);

8320 p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);

8321 }

8322 }

8323 return d3_svg_lineBasis(points);

8325 function d3_svg_lineDot4(a, b) {

8326 return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];

8328 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 ];

8329 function d3_svg_lineBasisBezier(path, x, y) {

8330 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));

8332 function d3_svg_lineSlope(p0, p1) {

8333 return (p1[1] - p0[1]) / (p1[0] - p0[0]);

8335 function d3_svg_lineFiniteDifferences(points) {

8336 var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);

8337 while (++i < j) {

8338 m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;

8339 }

8340 m[i] = d;

8341 return m;

8343 function d3_svg_lineMonotoneTangents(points) {

8344 var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;

8345 while (++i < j) {

8346 d = d3_svg_lineSlope(points[i], points[i + 1]);

8347 if (abs(d) < ε) {

8348 m[i] = m[i + 1] = 0;

8349 } else {

8350 a = m[i] / d;

8351 b = m[i + 1] / d;

8352 s = a * a + b * b;

8353 if (s > 9) {

8354 s = d * 3 / Math.sqrt(s);

8355 m[i] = s * a;

8356 m[i + 1] = s * b;

8357 }

8358 }

8359 }

8360 i = -1;

8361 while (++i <= j) {

8362 s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));

8363 tangents.push([ s || 0, m[i] * s || 0 ]);

8364 }

8365 return tangents;

8367 function d3_svg_lineMonotone(points) {

8368 return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));

8370 d3.svg.line.radial = function() {

8371 var line = d3_svg_line(d3_svg_lineRadial);

8372 line.radius = line.x, delete line.x;

8373 line.angle = line.y, delete line.y;

8374 return line;

8375 };

8376 function d3_svg_lineRadial(points) {

8377 var point, i = -1, n = points.length, r, a;

8378 while (++i < n) {

8379 point = points[i];

8380 r = point[0];

8381 a = point[1] - halfπ;

8382 point[0] = r * Math.cos(a);

8383 point[1] = r * Math.sin(a);

8384 }

8385 return points;

8387 function d3_svg_area(projection) {

8388 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;

8389 function area(data) {

8390 var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {

8391 return x;

8392 } : d3_functor(x1), fy1 = y0 === y1 ? function() {

8393 return y;

8394 } : d3_functor(y1), x, y;

8395 function segment() {

8396 segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");

8397 }

8398 while (++i < n) {

8399 if (defined.call(this, d = data[i], i)) {

8400 points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);

8401 points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);

8402 } else if (points0.length) {

8403 segment();

8404 points0 = [];

8405 points1 = [];

8406 }

8407 }

8408 if (points0.length) segment();

8409 return segments.length ? segments.join("") : null;

8410 }

8411 area.x = function(_) {

8412 if (!arguments.length) return x1;

8413 x0 = x1 = _;

8414 return area;

8415 };

8416 area.x0 = function(_) {

8417 if (!arguments.length) return x0;

8418 x0 = _;

8419 return area;

8420 };

8421 area.x1 = function(_) {

8422 if (!arguments.length) return x1;

8423 x1 = _;

8424 return area;

8425 };

8426 area.y = function(_) {

8427 if (!arguments.length) return y1;

8428 y0 = y1 = _;

8429 return area;

8430 };

8431 area.y0 = function(_) {

8432 if (!arguments.length) return y0;

8433 y0 = _;

8434 return area;

8435 };

8436 area.y1 = function(_) {

8437 if (!arguments.length) return y1;

8438 y1 = _;

8439 return area;

8440 };

8441 area.defined = function(_) {

8442 if (!arguments.length) return defined;

8443 defined = _;

8444 return area;

8445 };

8446 area.interpolate = function(_) {

8447 if (!arguments.length) return interpolateKey;

8448 if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;

8449 interpolateReverse = interpolate.reverse || interpolate;

8450 L = interpolate.closed ? "M" : "L";

8451 return area;

8452 };

8453 area.tension = function(_) {

8454 if (!arguments.length) return tension;

8455 tension = _;

8456 return area;

8457 };

8458 return area;

8460 d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;

8461 d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;

8462 d3.svg.area = function() {

8463 return d3_svg_area(d3_identity);

8464 };

8465 d3.svg.area.radial = function() {

8466 var area = d3_svg_area(d3_svg_lineRadial);

8467 area.radius = area.x, delete area.x;

8468 area.innerRadius = area.x0, delete area.x0;

8469 area.outerRadius = area.x1, delete area.x1;

8470 area.angle = area.y, delete area.y;

8471 area.startAngle = area.y0, delete area.y0;

8472 area.endAngle = area.y1, delete area.y1;

8473 return area;

8474 };

8475 d3.svg.chord = function() {

8476 var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;

8477 function chord(d, i) {

8478 var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);

8479 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";

8480 }

8481 function subgroup(self, f, d, i) {

8482 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;

8483 return {

8484 r: r,

8485 a0: a0,

8486 a1: a1,

8487 p0: [ r * Math.cos(a0), r * Math.sin(a0) ],

8488 p1: [ r * Math.cos(a1), r * Math.sin(a1) ]

8489 };

8490 }

8491 function equals(a, b) {

8492 return a.a0 == b.a0 && a.a1 == b.a1;

8493 }

8494 function arc(r, p, a) {

8495 return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;

8496 }

8497 function curve(r0, p0, r1, p1) {

8498 return "Q 0,0 " + p1;

8499 }

8500 chord.radius = function(v) {

8501 if (!arguments.length) return radius;

8502 radius = d3_functor(v);

8503 return chord;

8504 };

8505 chord.source = function(v) {

8506 if (!arguments.length) return source;

8507 source = d3_functor(v);

8508 return chord;

8509 };

8510 chord.target = function(v) {

8511 if (!arguments.length) return target;

8512 target = d3_functor(v);

8513 return chord;

8514 };

8515 chord.startAngle = function(v) {

8516 if (!arguments.length) return startAngle;

8517 startAngle = d3_functor(v);

8518 return chord;

8519 };

8520 chord.endAngle = function(v) {

8521 if (!arguments.length) return endAngle;

8522 endAngle = d3_functor(v);

8523 return chord;

8524 };

8525 return chord;

8526 };

8527 function d3_svg_chordRadius(d) {

8528 return d.radius;

8530 d3.svg.diagonal = function() {

8531 var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;

8532 function diagonal(d, i) {

8533 var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {

8534 x: p0.x,

8535 y: m

8536 }, {

8537 x: p3.x,

8538 y: m

8539 }, p3 ];

8540 p = p.map(projection);

8541 return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];

8542 }

8543 diagonal.source = function(x) {

8544 if (!arguments.length) return source;

8545 source = d3_functor(x);

8546 return diagonal;

8547 };

8548 diagonal.target = function(x) {

8549 if (!arguments.length) return target;

8550 target = d3_functor(x);

8551 return diagonal;

8552 };

8553 diagonal.projection = function(x) {

8554 if (!arguments.length) return projection;

8555 projection = x;

8556 return diagonal;

8557 };

8558 return diagonal;

8559 };

8560 function d3_svg_diagonalProjection(d) {

8561 return [ d.x, d.y ];

8563 d3.svg.diagonal.radial = function() {

8564 var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;

8565 diagonal.projection = function(x) {

8566 return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;

8567 };

8568 return diagonal;

8569 };

8570 function d3_svg_diagonalRadialProjection(projection) {

8571 return function() {

8572 var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ;

8573 return [ r * Math.cos(a), r * Math.sin(a) ];

8574 };

8576 d3.svg.symbol = function() {

8577 var type = d3_svg_symbolType, size = d3_svg_symbolSize;

8578 function symbol(d, i) {

8579 return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));

8580 }

8581 symbol.type = function(x) {

8582 if (!arguments.length) return type;

8583 type = d3_functor(x);

8584 return symbol;

8585 };

8586 symbol.size = function(x) {

8587 if (!arguments.length) return size;

8588 size = d3_functor(x);

8589 return symbol;

8590 };

8591 return symbol;

8592 };

8593 function d3_svg_symbolSize() {

8594 return 64;

8596 function d3_svg_symbolType() {

8597 return "circle";

8599 function d3_svg_symbolCircle(size) {

8600 var r = Math.sqrt(size / π);

8601 return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";

8603 var d3_svg_symbols = d3.map({

8604 circle: d3_svg_symbolCircle,

8605 cross: function(size) {

8606 var r = Math.sqrt(size / 5) / 2;

8607 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";

8608 },

8609 diamond: function(size) {

8610 var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;

8611 return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";

8612 },

8613 square: function(size) {

8614 var r = Math.sqrt(size) / 2;

8615 return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";

8616 },

8617 "triangle-down": function(size) {

8618 var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;

8619 return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";

8620 },

8621 "triangle-up": function(size) {

8622 var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;

8623 return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";

8624 }

8625 });

8626 d3.svg.symbolTypes = d3_svg_symbols.keys();

8627 var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);

8628 d3_selectionPrototype.transition = function(name) {

8629 var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || {

8630 time: Date.now(),

8631 ease: d3_ease_cubicInOut,

8632 delay: 0,

8633 duration: 250

8634 };

8635 for (var j = -1, m = this.length; ++j < m; ) {

8636 subgroups.push(subgroup = []);

8637 for (var group = this[j], i = -1, n = group.length; ++i < n; ) {

8638 if (node = group[i]) d3_transitionNode(node, i, ns, id, transition);

8639 subgroup.push(node);

8640 }

8641 }

8642 return d3_transition(subgroups, ns, id);

8643 };

8644 d3_selectionPrototype.interrupt = function(name) {

8645 return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name)));

8646 };

8647 var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace());

8648 function d3_selection_interruptNS(ns) {

8649 return function() {

8650 var lock, activeId, active;

8651 if ((lock = this[ns]) && (active = lock[activeId = lock.active])) {

8652 active.timer.c = null;

8653 active.timer.t = NaN;

8654 if (--lock.count) delete lock[activeId]; else delete this[ns];

8655 lock.active += .5;

8656 active.event && active.event.interrupt.call(this, this.__data__, active.index);

8657 }

8658 };

8660 function d3_transition(groups, ns, id) {

8661 d3_subclass(groups, d3_transitionPrototype);

8662 groups.namespace = ns;

8663 groups.id = id;

8664 return groups;

8666 var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit;

8667 d3_transitionPrototype.call = d3_selectionPrototype.call;

8668 d3_transitionPrototype.empty = d3_selectionPrototype.empty;

8669 d3_transitionPrototype.node = d3_selectionPrototype.node;

8670 d3_transitionPrototype.size = d3_selectionPrototype.size;

8671 d3.transition = function(selection, name) {

8672 return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3.selection().transition(selection);

8673 };

8674 d3.transition.prototype = d3_transitionPrototype;

8675 d3_transitionPrototype.select = function(selector) {

8676 var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node;

8677 selector = d3_selection_selector(selector);

8678 for (var j = -1, m = this.length; ++j < m; ) {

8679 subgroups.push(subgroup = []);

8680 for (var group = this[j], i = -1, n = group.length; ++i < n; ) {

8681 if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) {

8682 if ("__data__" in node) subnode.__data__ = node.__data__;

8683 d3_transitionNode(subnode, i, ns, id, node[ns][id]);

8684 subgroup.push(subnode);

8685 } else {

8686 subgroup.push(null);

8687 }

8688 }

8689 }

8690 return d3_transition(subgroups, ns, id);

8691 };

8692 d3_transitionPrototype.selectAll = function(selector) {

8693 var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition;

8694 selector = d3_selection_selectorAll(selector);

8695 for (var j = -1, m = this.length; ++j < m; ) {

8696 for (var group = this[j], i = -1, n = group.length; ++i < n; ) {

8697 if (node = group[i]) {

8698 transition = node[ns][id];

8699 subnodes = selector.call(node, node.__data__, i, j);

8700 subgroups.push(subgroup = []);

8701 for (var k = -1, o = subnodes.length; ++k < o; ) {

8702 if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition);

8703 subgroup.push(subnode);

8704 }

8705 }

8706 }

8707 }

8708 return d3_transition(subgroups, ns, id);

8709 };

8710 d3_transitionPrototype.filter = function(filter) {

8711 var subgroups = [], subgroup, group, node;

8712 if (typeof filter !== "function") filter = d3_selection_filter(filter);

8713 for (var j = 0, m = this.length; j < m; j++) {

8714 subgroups.push(subgroup = []);

8715 for (var group = this[j], i = 0, n = group.length; i < n; i++) {

8716 if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {

8717 subgroup.push(node);

8718 }

8719 }

8720 }

8721 return d3_transition(subgroups, this.namespace, this.id);

8722 };

8723 d3_transitionPrototype.tween = function(name, tween) {

8724 var id = this.id, ns = this.namespace;

8725 if (arguments.length < 2) return this.node()[ns][id].tween.get(name);

8726 return d3_selection_each(this, tween == null ? function(node) {

8727 node[ns][id].tween.remove(name);

8728 } : function(node) {

8729 node[ns][id].tween.set(name, tween);

8730 });

8731 };

8732 function d3_transition_tween(groups, name, value, tween) {

8733 var id = groups.id, ns = groups.namespace;

8734 return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {

8735 node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j)));

8736 } : (value = tween(value), function(node) {

8737 node[ns][id].tween.set(name, value);

8738 }));

8740 d3_transitionPrototype.attr = function(nameNS, value) {

8741 if (arguments.length < 2) {

8742 for (value in nameNS) this.attr(value, nameNS[value]);

8743 return this;

8744 }

8745 var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS);

8746 function attrNull() {

8747 this.removeAttribute(name);

8748 }

8749 function attrNullNS() {

8750 this.removeAttributeNS(name.space, name.local);

8751 }

8752 function attrTween(b) {

8753 return b == null ? attrNull : (b += "", function() {

8754 var a = this.getAttribute(name), i;

8755 return a !== b && (i = interpolate(a, b), function(t) {

8756 this.setAttribute(name, i(t));

8757 });

8758 });

8759 }

8760 function attrTweenNS(b) {

8761 return b == null ? attrNullNS : (b += "", function() {

8762 var a = this.getAttributeNS(name.space, name.local), i;

8763 return a !== b && (i = interpolate(a, b), function(t) {

8764 this.setAttributeNS(name.space, name.local, i(t));

8765 });

8766 });

8767 }

8768 return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween);

8769 };

8770 d3_transitionPrototype.attrTween = function(nameNS, tween) {

8771 var name = d3.ns.qualify(nameNS);

8772 function attrTween(d, i) {

8773 var f = tween.call(this, d, i, this.getAttribute(name));

8774 return f && function(t) {

8775 this.setAttribute(name, f(t));

8776 };

8777 }

8778 function attrTweenNS(d, i) {

8779 var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));

8780 return f && function(t) {

8781 this.setAttributeNS(name.space, name.local, f(t));

8782 };

8783 }

8784 return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);

8785 };

8786 d3_transitionPrototype.style = function(name, value, priority) {

8787 var n = arguments.length;

8788 if (n < 3) {

8789 if (typeof name !== "string") {

8790 if (n < 2) value = "";

8791 for (priority in name) this.style(priority, name[priority], value);

8792 return this;

8793 }

8794 priority = "";

8795 }

8796 function styleNull() {

8797 this.style.removeProperty(name);

8798 }

8799 function styleString(b) {

8800 return b == null ? styleNull : (b += "", function() {

8801 var a = d3_window(this).getComputedStyle(this, null).getPropertyValue(name), i;

8802 return a !== b && (i = d3_interpolate(a, b), function(t) {

8803 this.style.setProperty(name, i(t), priority);

8804 });

8805 });

8806 }

8807 return d3_transition_tween(this, "style." + name, value, styleString);

8808 };

8809 d3_transitionPrototype.styleTween = function(name, tween, priority) {

8810 if (arguments.length < 3) priority = "";

8811 function styleTween(d, i) {

8812 var f = tween.call(this, d, i, d3_window(this).getComputedStyle(this, null).getPropertyValue(name));

8813 return f && function(t) {

8814 this.style.setProperty(name, f(t), priority);

8815 };

8816 }

8817 return this.tween("style." + name, styleTween);

8818 };

8819 d3_transitionPrototype.text = function(value) {

8820 return d3_transition_tween(this, "text", value, d3_transition_text);

8821 };

8822 function d3_transition_text(b) {

8823 if (b == null) b = "";

8824 return function() {

8825 this.textContent = b;

8826 };

8828 d3_transitionPrototype.remove = function() {

8829 var ns = this.namespace;

8830 return this.each("end.transition", function() {

8831 var p;

8832 if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this);

8833 });

8834 };

8835 d3_transitionPrototype.ease = function(value) {

8836 var id = this.id, ns = this.namespace;

8837 if (arguments.length < 1) return this.node()[ns][id].ease;

8838 if (typeof value !== "function") value = d3.ease.apply(d3, arguments);

8839 return d3_selection_each(this, function(node) {

8840 node[ns][id].ease = value;

8841 });

8842 };

8843 d3_transitionPrototype.delay = function(value) {

8844 var id = this.id, ns = this.namespace;

8845 if (arguments.length < 1) return this.node()[ns][id].delay;

8846 return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {

8847 node[ns][id].delay = +value.call(node, node.__data__, i, j);

8848 } : (value = +value, function(node) {

8849 node[ns][id].delay = value;

8850 }));

8851 };

8852 d3_transitionPrototype.duration = function(value) {

8853 var id = this.id, ns = this.namespace;

8854 if (arguments.length < 1) return this.node()[ns][id].duration;

8855 return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {

8856 node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j));

8857 } : (value = Math.max(1, value), function(node) {

8858 node[ns][id].duration = value;

8859 }));

8860 };

8861 d3_transitionPrototype.each = function(type, listener) {

8862 var id = this.id, ns = this.namespace;

8863 if (arguments.length < 2) {

8864 var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;

8865 try {

8866 d3_transitionInheritId = id;

8867 d3_selection_each(this, function(node, i, j) {

8868 d3_transitionInherit = node[ns][id];

8869 type.call(node, node.__data__, i, j);

8870 });

8871 } finally {

8872 d3_transitionInherit = inherit;

8873 d3_transitionInheritId = inheritId;

8874 }

8875 } else {

8876 d3_selection_each(this, function(node) {

8877 var transition = node[ns][id];

8878 (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener);

8879 });

8880 }

8881 return this;

8882 };

8883 d3_transitionPrototype.transition = function() {

8884 var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition;

8885 for (var j = 0, m = this.length; j < m; j++) {

8886 subgroups.push(subgroup = []);

8887 for (var group = this[j], i = 0, n = group.length; i < n; i++) {

8888 if (node = group[i]) {

8889 transition = node[ns][id0];

8890 d3_transitionNode(node, i, ns, id1, {

8891 time: transition.time,

8892 ease: transition.ease,

8893 delay: transition.delay + transition.duration,

8894 duration: transition.duration

8895 });

8896 }

8897 subgroup.push(node);

8898 }

8899 }

8900 return d3_transition(subgroups, ns, id1);

8901 };

8902 function d3_transitionNamespace(name) {

8903 return name == null ? "__transition__" : "__transition_" + name + "__";

8905 function d3_transitionNode(node, i, ns, id, inherit) {

8906 var lock = node[ns] || (node[ns] = {

8907 active: 0,

8908 count: 0

8909 }), transition = lock[id], time, timer, duration, ease, tweens;

8910 function schedule(elapsed) {

8911 var delay = transition.delay;

8912 timer.t = delay + time;

8913 if (delay <= elapsed) return start(elapsed - delay);

8914 timer.c = start;

8915 }

8916 function start(elapsed) {

8917 var activeId = lock.active, active = lock[activeId];

8918 if (active) {

8919 active.timer.c = null;

8920 active.timer.t = NaN;

8921 --lock.count;

8922 delete lock[activeId];

8923 active.event && active.event.interrupt.call(node, node.__data__, active.index);

8924 }

8925 for (var cancelId in lock) {

8926 if (+cancelId < id) {

8927 var cancel = lock[cancelId];

8928 cancel.timer.c = null;

8929 cancel.timer.t = NaN;

8930 --lock.count;

8931 delete lock[cancelId];

8932 }

8933 }

8934 timer.c = tick;

8935 d3_timer(function() {

8936 if (timer.c && tick(elapsed || 1)) {

8937 timer.c = null;

8938 timer.t = NaN;

8939 }

8940 return 1;

8941 }, 0, time);

8942 lock.active = id;

8943 transition.event && transition.event.start.call(node, node.__data__, i);

8944 tweens = [];

8945 transition.tween.forEach(function(key, value) {

8946 if (value = value.call(node, node.__data__, i)) {

8947 tweens.push(value);

8948 }

8949 });

8950 ease = transition.ease;

8951 duration = transition.duration;

8952 }

8953 function tick(elapsed) {

8954 var t = elapsed / duration, e = ease(t), n = tweens.length;

8955 while (n > 0) {

8956 tweens[--n].call(node, e);

8957 }

8958 if (t >= 1) {

8959 transition.event && transition.event.end.call(node, node.__data__, i);

8960 if (--lock.count) delete lock[id]; else delete node[ns];

8961 return 1;

8962 }

8963 }

8964 if (!transition) {

8965 time = inherit.time;

8966 timer = d3_timer(schedule, 0, time);

8967 transition = lock[id] = {

8968 tween: new d3_Map(),

8969 time: time,

8970 timer: timer,

8971 delay: inherit.delay,

8972 duration: inherit.duration,

8973 ease: inherit.ease,

8974 index: i

8975 };

8976 inherit = null;

8977 ++lock.count;

8978 }

8980 d3.svg.axis = function() {

8981 var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_;

8982 function axis(g) {

8983 g.each(function() {

8984 var g = d3.select(this);

8985 var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy();

8986 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;

8987 var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"),

8988 d3.transition(path));

8989 tickEnter.append("line");

8990 tickEnter.append("text");

8991 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;

8992 if (orient === "bottom" || orient === "top") {

8993 tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2";

8994 text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle");

8995 pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize);

8996 } else {

8997 tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2";

8998 text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start");

8999 pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize);

9000 }

9001 lineEnter.attr(y2, sign * innerTickSize);

9002 textEnter.attr(y1, sign * tickSpacing);

9003 lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize);

9004 textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing);

9005 if (scale1.rangeBand) {

9006 var x = scale1, dx = x.rangeBand() / 2;

9007 scale0 = scale1 = function(d) {

9008 return x(d) + dx;

9009 };

9010 } else if (scale0.rangeBand) {

9011 scale0 = scale1;

9012 } else {

9013 tickExit.call(tickTransform, scale1, scale0);

9014 }

9015 tickEnter.call(tickTransform, scale0, scale1);

9016 tickUpdate.call(tickTransform, scale1, scale1);

9017 });

9018 }

9019 axis.scale = function(x) {

9020 if (!arguments.length) return scale;

9021 scale = x;

9022 return axis;

9023 };

9024 axis.orient = function(x) {

9025 if (!arguments.length) return orient;

9026 orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;

9027 return axis;

9028 };

9029 axis.ticks = function() {

9030 if (!arguments.length) return tickArguments_;

9031 tickArguments_ = d3_array(arguments);

9032 return axis;

9033 };

9034 axis.tickValues = function(x) {

9035 if (!arguments.length) return tickValues;

9036 tickValues = x;

9037 return axis;

9038 };

9039 axis.tickFormat = function(x) {

9040 if (!arguments.length) return tickFormat_;

9041 tickFormat_ = x;

9042 return axis;

9043 };

9044 axis.tickSize = function(x) {

9045 var n = arguments.length;

9046 if (!n) return innerTickSize;

9047 innerTickSize = +x;

9048 outerTickSize = +arguments[n - 1];

9049 return axis;

9050 };

9051 axis.innerTickSize = function(x) {

9052 if (!arguments.length) return innerTickSize;

9053 innerTickSize = +x;

9054 return axis;

9055 };

9056 axis.outerTickSize = function(x) {

9057 if (!arguments.length) return outerTickSize;

9058 outerTickSize = +x;

9059 return axis;

9060 };

9061 axis.tickPadding = function(x) {

9062 if (!arguments.length) return tickPadding;

9063 tickPadding = +x;

9064 return axis;

9065 };

9066 axis.tickSubdivide = function() {

9067 return arguments.length && axis;

9068 };

9069 return axis;

9070 };

9071 var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {

9072 top: 1,

9073 right: 1,

9074 bottom: 1,

9075 left: 1

9076 };

9077 function d3_svg_axisX(selection, x0, x1) {

9078 selection.attr("transform", function(d) {

9079 var v0 = x0(d);

9080 return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)";

9081 });

9083 function d3_svg_axisY(selection, y0, y1) {

9084 selection.attr("transform", function(d) {

9085 var v0 = y0(d);

9086 return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")";

9087 });

9089 d3.svg.brush = function() {

9090 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];

9091 function brush(g) {

9092 g.each(function() {

9093 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);

9094 var background = g.selectAll(".background").data([ 0 ]);

9095 background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");

9096 g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move");

9097 var resize = g.selectAll(".resize").data(resizes, d3_identity);

9098 resize.exit().remove();

9099 resize.enter().append("g").attr("class", function(d) {

9100 return "resize " + d;

9101 }).style("cursor", function(d) {

9102 return d3_svg_brushCursor[d];

9103 }).append("rect").attr("x", function(d) {

9104 return /[ew]$/.test(d) ? -3 : null;

9105 }).attr("y", function(d) {

9106 return /^[ns]/.test(d) ? -3 : null;

9107 }).attr("width", 6).attr("height", 6).style("visibility", "hidden");

9108 resize.style("display", brush.empty() ? "none" : null);

9109 var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range;

9110 if (x) {

9111 range = d3_scaleRange(x);

9112 backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]);

9113 redrawX(gUpdate);

9114 }

9115 if (y) {

9116 range = d3_scaleRange(y);

9117 backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]);

9118 redrawY(gUpdate);

9119 }

9120 redraw(gUpdate);

9121 });

9122 }

9123 brush.event = function(g) {

9124 g.each(function() {

9125 var event_ = event.of(this, arguments), extent1 = {

9126 x: xExtent,

9127 y: yExtent,

9128 i: xExtentDomain,

9129 j: yExtentDomain

9130 }, extent0 = this.__chart__ || extent1;

9131 this.__chart__ = extent1;

9132 if (d3_transitionInheritId) {

9133 d3.select(this).transition().each("start.brush", function() {

9134 xExtentDomain = extent0.i;

9135 yExtentDomain = extent0.j;

9136 xExtent = extent0.x;

9137 yExtent = extent0.y;

9138 event_({

9139 type: "brushstart"

9140 });

9141 }).tween("brush:brush", function() {

9142 var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y);

9143 xExtentDomain = yExtentDomain = null;

9144 return function(t) {

9145 xExtent = extent1.x = xi(t);

9146 yExtent = extent1.y = yi(t);

9147 event_({

9148 type: "brush",

9149 mode: "resize"

9150 });

9151 };

9152 }).each("end.brush", function() {

9153 xExtentDomain = extent1.i;

9154 yExtentDomain = extent1.j;

9155 event_({

9156 type: "brush",

9157 mode: "resize"

9158 });

9159 event_({

9160 type: "brushend"

9161 });

9162 });

9163 } else {

9164 event_({

9165 type: "brushstart"

9166 });

9167 event_({

9168 type: "brush",

9169 mode: "resize"

9170 });

9171 event_({

9172 type: "brushend"

9173 });

9174 }

9175 });

9176 };

9177 function redraw(g) {

9178 g.selectAll(".resize").attr("transform", function(d) {

9179 return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")";

9180 });

9181 }

9182 function redrawX(g) {

9183 g.select(".extent").attr("x", xExtent[0]);

9184 g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]);

9185 }

9186 function redrawY(g) {

9187 g.select(".extent").attr("y", yExtent[0]);

9188 g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]);

9189 }

9190 function brushstart() {

9191 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(target), center, origin = d3.mouse(target), offset;

9192 var w = d3.select(d3_window(target)).on("keydown.brush", keydown).on("keyup.brush", keyup);

9193 if (d3.event.changedTouches) {

9194 w.on("touchmove.brush", brushmove).on("touchend.brush", brushend);

9195 } else {

9196 w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend);

9197 }

9198 g.interrupt().selectAll("*").interrupt();

9199 if (dragging) {

9200 origin[0] = xExtent[0] - origin[0];

9201 origin[1] = yExtent[0] - origin[1];

9202 } else if (resizing) {

9203 var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);

9204 offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ];

9205 origin[0] = xExtent[ex];

9206 origin[1] = yExtent[ey];

9207 } else if (d3.event.altKey) center = origin.slice();

9208 g.style("pointer-events", "none").selectAll(".resize").style("display", null);

9209 d3.select("body").style("cursor", eventTarget.style("cursor"));

9210 event_({

9211 type: "brushstart"

9212 });

9213 brushmove();

9214 function keydown() {

9215 if (d3.event.keyCode == 32) {

9216 if (!dragging) {

9217 center = null;

9218 origin[0] -= xExtent[1];

9219 origin[1] -= yExtent[1];

9220 dragging = 2;

9221 }

9222 d3_eventPreventDefault();

9223 }

9224 }

9225 function keyup() {

9226 if (d3.event.keyCode == 32 && dragging == 2) {

9227 origin[0] += xExtent[1];

9228 origin[1] += yExtent[1];

9229 dragging = 0;

9230 d3_eventPreventDefault();

9231 }

9232 }

9233 function brushmove() {

9234 var point = d3.mouse(target), moved = false;

9235 if (offset) {

9236 point[0] += offset[0];

9237 point[1] += offset[1];

9238 }

9239 if (!dragging) {

9240 if (d3.event.altKey) {

9241 if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ];

9242 origin[0] = xExtent[+(point[0] < center[0])];

9243 origin[1] = yExtent[+(point[1] < center[1])];

9244 } else center = null;

9245 }

9246 if (resizingX && move1(point, x, 0)) {

9247 redrawX(g);

9248 moved = true;

9249 }

9250 if (resizingY && move1(point, y, 1)) {

9251 redrawY(g);

9252 moved = true;

9253 }

9254 if (moved) {

9255 redraw(g);

9256 event_({

9257 type: "brush",

9258 mode: dragging ? "move" : "resize"

9259 });

9260 }

9261 }

9262 function move1(point, scale, i) {

9263 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;

9264 if (dragging) {

9265 r0 -= position;

9266 r1 -= size + position;

9267 }

9268 min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i];

9269 if (dragging) {

9270 max = (min += position) + size;

9271 } else {

9272 if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));

9273 if (position < min) {

9274 max = min;

9275 min = position;

9276 } else {

9277 max = position;

9278 }

9279 }

9280 if (extent[0] != min || extent[1] != max) {

9281 if (i) yExtentDomain = null; else xExtentDomain = null;

9282 extent[0] = min;

9283 extent[1] = max;

9284 return true;

9285 }

9286 }

9287 function brushend() {

9288 brushmove();

9289 g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);

9290 d3.select("body").style("cursor", null);

9291 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);

9292 dragRestore();

9293 event_({

9294 type: "brushend"

9295 });

9296 }

9297 }

9298 brush.x = function(z) {

9299 if (!arguments.length) return x;

9300 x = z;

9301 resizes = d3_svg_brushResizes[!x << 1 | !y];

9302 return brush;

9303 };

9304 brush.y = function(z) {

9305 if (!arguments.length) return y;

9306 y = z;

9307 resizes = d3_svg_brushResizes[!x << 1 | !y];

9308 return brush;

9309 };

9310 brush.clamp = function(z) {

9311 if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null;

9312 if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z;

9313 return brush;

9314 };

9315 brush.extent = function(z) {

9316 var x0, x1, y0, y1, t;

9317 if (!arguments.length) {

9318 if (x) {

9319 if (xExtentDomain) {

9320 x0 = xExtentDomain[0], x1 = xExtentDomain[1];

9321 } else {

9322 x0 = xExtent[0], x1 = xExtent[1];

9323 if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);

9324 if (x1 < x0) t = x0, x0 = x1, x1 = t;

9325 }

9326 }

9327 if (y) {

9328 if (yExtentDomain) {

9329 y0 = yExtentDomain[0], y1 = yExtentDomain[1];

9330 } else {

9331 y0 = yExtent[0], y1 = yExtent[1];

9332 if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);

9333 if (y1 < y0) t = y0, y0 = y1, y1 = t;

9334 }

9335 }

9336 return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];

9337 }

9338 if (x) {

9339 x0 = z[0], x1 = z[1];

9340 if (y) x0 = x0[0], x1 = x1[0];

9341 xExtentDomain = [ x0, x1 ];

9342 if (x.invert) x0 = x(x0), x1 = x(x1);

9343 if (x1 < x0) t = x0, x0 = x1, x1 = t;

9344 if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ];

9345 }

9346 if (y) {

9347 y0 = z[0], y1 = z[1];

9348 if (x) y0 = y0[1], y1 = y1[1];

9349 yExtentDomain = [ y0, y1 ];

9350 if (y.invert) y0 = y(y0), y1 = y(y1);

9351 if (y1 < y0) t = y0, y0 = y1, y1 = t;

9352 if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ];

9353 }

9354 return brush;

9355 };

9356 brush.clear = function() {

9357 if (!brush.empty()) {

9358 xExtent = [ 0, 0 ], yExtent = [ 0, 0 ];

9359 xExtentDomain = yExtentDomain = null;

9360 }

9361 return brush;

9362 };

9363 brush.empty = function() {

9364 return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1];

9365 };

9366 return d3.rebind(brush, event, "on");

9367 };

9368 var d3_svg_brushCursor = {

9369 n: "ns-resize",

9370 e: "ew-resize",

9371 s: "ns-resize",

9372 w: "ew-resize",

9373 nw: "nwse-resize",

9374 ne: "nesw-resize",

9375 se: "nwse-resize",

9376 sw: "nesw-resize"

9377 };

9378 var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];

9379 var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat;

9380 var d3_time_formatUtc = d3_time_format.utc;

9381 var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ");

9382 d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;

9383 function d3_time_formatIsoNative(date) {

9384 return date.toISOString();

9386 d3_time_formatIsoNative.parse = function(string) {

9387 var date = new Date(string);

9388 return isNaN(date) ? null : date;

9389 };

9390 d3_time_formatIsoNative.toString = d3_time_formatIso.toString;

9391 d3_time.second = d3_time_interval(function(date) {

9392 return new d3_date(Math.floor(date / 1e3) * 1e3);

9393 }, function(date, offset) {

9394 date.setTime(date.getTime() + Math.floor(offset) * 1e3);

9395 }, function(date) {

9396 return date.getSeconds();

9397 });

9398 d3_time.seconds = d3_time.second.range;

9399 d3_time.seconds.utc = d3_time.second.utc.range;

9400 d3_time.minute = d3_time_interval(function(date) {

9401 return new d3_date(Math.floor(date / 6e4) * 6e4);

9402 }, function(date, offset) {

9403 date.setTime(date.getTime() + Math.floor(offset) * 6e4);

9404 }, function(date) {

9405 return date.getMinutes();

9406 });

9407 d3_time.minutes = d3_time.minute.range;

9408 d3_time.minutes.utc = d3_time.minute.utc.range;

9409 d3_time.hour = d3_time_interval(function(date) {

9410 var timezone = date.getTimezoneOffset() / 60;

9411 return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);

9412 }, function(date, offset) {

9413 date.setTime(date.getTime() + Math.floor(offset) * 36e5);

9414 }, function(date) {

9415 return date.getHours();

9416 });

9417 d3_time.hours = d3_time.hour.range;

9418 d3_time.hours.utc = d3_time.hour.utc.range;

9419 d3_time.month = d3_time_interval(function(date) {

9420 date = d3_time.day(date);

9421 date.setDate(1);

9422 return date;

9423 }, function(date, offset) {

9424 date.setMonth(date.getMonth() + offset);

9425 }, function(date) {

9426 return date.getMonth();

9427 });

9428 d3_time.months = d3_time.month.range;

9429 d3_time.months.utc = d3_time.month.utc.range;

9430 function d3_time_scale(linear, methods, format) {

9431 function scale(x) {

9432 return linear(x);

9433 }

9434 scale.invert = function(x) {

9435 return d3_time_scaleDate(linear.invert(x));

9436 };

9437 scale.domain = function(x) {

9438 if (!arguments.length) return linear.domain().map(d3_time_scaleDate);

9439 linear.domain(x);

9440 return scale;

9441 };

9442 function tickMethod(extent, count) {

9443 var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target);

9444 return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) {

9445 return d / 31536e6;

9446 }), 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];

9447 }

9448 scale.nice = function(interval, skip) {

9449 var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval);

9450 if (method) interval = method[0], skip = method[1];

9451 function skipped(date) {

9452 return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length;

9453 }

9454 return scale.domain(d3_scale_nice(domain, skip > 1 ? {

9455 floor: function(date) {

9456 while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1);

9457 return date;

9458 },

9459 ceil: function(date) {

9460 while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1);

9461 return date;

9462 }

9463 } : interval));

9464 };

9465 scale.ticks = function(interval, skip) {

9466 var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ {

9467 range: interval

9468 }, skip ];

9469 if (method) interval = method[0], skip = method[1];

9470 return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip);

9471 };

9472 scale.tickFormat = function() {

9473 return format;

9474 };

9475 scale.copy = function() {

9476 return d3_time_scale(linear.copy(), methods, format);

9477 };

9478 return d3_scale_linearRebind(scale, linear);

9480 function d3_time_scaleDate(t) {

9481 return new Date(t);

9483 var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];

9484 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 ] ];

9485 var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) {

9486 return d.getMilliseconds();

9487 } ], [ ":%S", function(d) {

9488 return d.getSeconds();

9489 } ], [ "%I:%M", function(d) {

9490 return d.getMinutes();

9491 } ], [ "%I %p", function(d) {

9492 return d.getHours();

9493 } ], [ "%a %d", function(d) {

9494 return d.getDay() && d.getDate() != 1;

9495 } ], [ "%b %d", function(d) {

9496 return d.getDate() != 1;

9497 } ], [ "%B", function(d) {

9498 return d.getMonth();

9499 } ], [ "%Y", d3_true ] ]);

9500 var d3_time_scaleMilliseconds = {

9501 range: function(start, stop, step) {

9502 return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate);

9503 },

9504 floor: d3_identity,

9505 ceil: d3_identity

9506 };

9507 d3_time_scaleLocalMethods.year = d3_time.year;

9508 d3_time.scale = function() {

9509 return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);

9510 };

9511 var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) {

9512 return [ m[0].utc, m[1] ];

9513 });

9514 var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) {

9515 return d.getUTCMilliseconds();

9516 } ], [ ":%S", function(d) {

9517 return d.getUTCSeconds();

9518 } ], [ "%I:%M", function(d) {

9519 return d.getUTCMinutes();

9520 } ], [ "%I %p", function(d) {

9521 return d.getUTCHours();

9522 } ], [ "%a %d", function(d) {

9523 return d.getUTCDay() && d.getUTCDate() != 1;

9524 } ], [ "%b %d", function(d) {

9525 return d.getUTCDate() != 1;

9526 } ], [ "%B", function(d) {

9527 return d.getUTCMonth();

9528 } ], [ "%Y", d3_true ] ]);

9529 d3_time_scaleUtcMethods.year = d3_time.year.utc;

9530 d3_time.scale.utc = function() {

9531 return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat);

9532 };

9533 d3.text = d3_xhrType(function(request) {

9534 return request.responseText;

9535 });

9536 d3.json = function(url, callback) {

9537 return d3_xhr(url, "application/json", d3_json, callback);

9538 };

9539 function d3_json(request) {

9540 return JSON.parse(request.responseText);

9542 d3.html = function(url, callback) {

9543 return d3_xhr(url, "text/html", d3_html, callback);

9544 };

9545 function d3_html(request) {

9546 var range = d3_document.createRange();

9547 range.selectNode(d3_document.body);

9548 return range.createContextualFragment(request.responseText);

9550 d3.xml = d3_xhrType(function(request) {

9551 return request.responseXML;

9552 });

9553 if (typeof define === "function" && define.amd) this.d3 = d3, define(d3); else if (typeof module === "object" && module.exports) module.exports = d3; else this.d3 = d3;