User:Hlaw/Leaflet.js

/* Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com (c) 2010-2013, Vladimir Agafonkin (c) 2010-2011, CloudMade (function (window, document, undefined) { var oldL = window.L,   L = {};

L.version = '0.7.2';

// define Leaflet for Node module pattern loaders, including Browserify if (typeof module === 'object' && typeof module.exports === 'object') { module.exports = L;

// define Leaflet as an AMD module } // else if (typeof define === 'function' && define.amd) { //	define(L); //}

// define Leaflet as a global L variable, saving the original L to restore later if needed

L.noConflict = function { window.L = oldL; return this; };

window.L = L;

/* * L.Util contains various utility functions used throughout Leaflet code. */

L.Util = { extend: function (dest) { // (Object[, Object, ...]) -> var sources = Array.prototype.slice.call(arguments, 1), i, j, len, src;

for (j = 0, len = sources.length; j < len; j++) { src = sources[j] || {}; for (i in src) { if (src.hasOwnProperty(i)) { dest[i] = src[i]; }			}		}		return dest; },

bind: function (fn, obj) { // (Function, Object) -> Function var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null; return function { return fn.apply(obj, args || arguments); };	},

stamp: (function {		var lastId = 0,		    key = '_leaflet_id';		return function (obj) {			obj[key] = obj[key] || ++lastId;			return obj[key];		};	}),

invokeEach: function (obj, method, context) { var i, args;

if (typeof obj === 'object') { args = Array.prototype.slice.call(arguments, 3);

for (i in obj) { method.apply(context, [i, obj[i]].concat(args)); }			return true; }

return false; },

limitExecByInterval: function (fn, time, context) { var lock, execOnUnlock;

return function wrapperFn { var args = arguments;

if (lock) { execOnUnlock = true; return; }

lock = true;

setTimeout(function {				lock = false;

if (execOnUnlock) { wrapperFn.apply(context, args); execOnUnlock = false; }			}, time);

fn.apply(context, args); };	},

falseFn: function { return false; },

formatNum: function (num, digits) { var pow = Math.pow(10, digits || 5); return Math.round(num * pow) / pow; },

trim: function (str) { return str.trim ? str.trim : str.replace(/^\s+|\s+$/g, ''); },

splitWords: function (str) { return L.Util.trim(str).split(/\s+/); },

setOptions: function (obj, options) { obj.options = L.extend({}, obj.options, options); return obj.options; },

getParamString: function (obj, existingUrl, uppercase) { var params = []; for (var i in obj) { params.push(encodeURIComponent(uppercase ? i.toUpperCase : i) + '=' + encodeURIComponent(obj[i])); }		return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&'); },	template: function (str, data) { return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {			var value = data[key];			if (value === undefined) {				throw new Error('No value provided for variable ' + str);			} else if (typeof value === 'function') {				value = value(data);			}			return value;		}); },

isArray: Array.isArray || function (obj) { return (Object.prototype.toString.call(obj) === '[object Array]'); },

emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=' };

(function {

// inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/

function getPrefixed(name) { var i, fn, prefixes = ['webkit', 'moz', 'o', 'ms'];

for (i = 0; i < prefixes.length && !fn; i++) { fn = window[prefixes[i] + name]; }

return fn; }

var lastTime = 0;

function timeoutDefer(fn) { var time = +new Date, timeToCall = Math.max(0, 16 - (time - lastTime));

lastTime = time + timeToCall; return window.setTimeout(fn, timeToCall); }

var requestFn = window.requestAnimationFrame || getPrefixed('RequestAnimationFrame') || timeoutDefer;

var cancelFn = window.cancelAnimationFrame || getPrefixed('CancelAnimationFrame') || getPrefixed('CancelRequestAnimationFrame') || function (id) { window.clearTimeout(id); };

L.Util.requestAnimFrame = function (fn, context, immediate, element) { fn = L.bind(fn, context);

if (immediate && requestFn === timeoutDefer) { fn; } else { return requestFn.call(window, fn, element); }	};

L.Util.cancelAnimFrame = function (id) { if (id) { cancelFn.call(window, id); }	};

});

// shortcuts for most used utility functions L.extend = L.Util.extend; L.bind = L.Util.bind; L.stamp = L.Util.stamp; L.setOptions = L.Util.setOptions;

/* * L.Class powers the OOP facilities of the library. * Thanks to John Resig and Dean Edwards for inspiration! */

L.Class = function {};

L.Class.extend = function (props) {

// extended class with the new prototype var NewClass = function {

// call the constructor if (this.initialize) { this.initialize.apply(this, arguments); }

// call all constructor hooks if (this._initHooks) { this.callInitHooks; }	};

// instantiate class without calling constructor var F = function {}; F.prototype = this.prototype;

var proto = new F; proto.constructor = NewClass;

NewClass.prototype = proto;

//inherit parent's statics for (var i in this) { if (this.hasOwnProperty(i) && i !== 'prototype') { NewClass[i] = this[i]; }	}

// mix static properties into the class if (props.statics) { L.extend(NewClass, props.statics); delete props.statics; }

// mix includes into the prototype if (props.includes) { L.Util.extend.apply(null, [proto].concat(props.includes)); delete props.includes; }

// merge options if (props.options && proto.options) { props.options = L.extend({}, proto.options, props.options); }

// mix given properties into the prototype L.extend(proto, props);

proto._initHooks = [];

var parent = this; // jshint camelcase: false NewClass.__super__ = parent.prototype;

// add method for calling all hooks proto.callInitHooks = function {

if (this._initHooksCalled) { return; }

if (parent.prototype.callInitHooks) { parent.prototype.callInitHooks.call(this); }

this._initHooksCalled = true;

for (var i = 0, len = proto._initHooks.length; i < len; i++) { proto._initHooks[i].call(this); }	};

return NewClass; };

// method for adding properties to prototype L.Class.include = function (props) { L.extend(this.prototype, props); };

// merge new default options to the Class L.Class.mergeOptions = function (options) { L.extend(this.prototype.options, options); };

// add a constructor hook L.Class.addInitHook = function (fn) { // (Function) || (String, args...) var args = Array.prototype.slice.call(arguments, 1);

var init = typeof fn === 'function' ? fn : function { this[fn].apply(this, args); };

this.prototype._initHooks = this.prototype._initHooks || []; this.prototype._initHooks.push(init); };

/* * L.Mixin.Events is used to add custom events functionality to Leaflet classes. */

var eventsKey = '_leaflet_events';

L.Mixin = {};

L.Mixin.Events = {

addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])

// types can be a map of types/handlers if (L.Util.invokeEach(types, this.addEventListener, this, fn, context)) { return this; }

var events = this[eventsKey] = this[eventsKey] || {}, contextId = context && context !== this && L.stamp(context), i, len, event, type, indexKey, indexLenKey, typeIndex;

// types can be a string of space-separated words types = L.Util.splitWords(types);

for (i = 0, len = types.length; i < len; i++) { event = { action: fn, context: context || this };			type = types[i];

if (contextId) { // store listeners of a particular context in a separate hash (if it has an id) // gives a major performance boost when removing thousands of map layers

indexKey = type + '_idx'; indexLenKey = indexKey + '_len';

typeIndex = events[indexKey] = events[indexKey] || {};

if (!typeIndex[contextId]) { typeIndex[contextId] = [];

// keep track of the number of keys in the index to quickly check if it's empty events[indexLenKey] = (events[indexLenKey] || 0) + 1; }

typeIndex[contextId].push(event);

} else { events[type] = events[type] || []; events[type].push(event); }		}

return this; },

hasEventListeners: function (type) { // (String) -> Boolean var events = this[eventsKey]; return !!events && ((type in events && events[type].length > 0) ||		                   (type + '_idx' in events && events[type + '_idx_len'] > 0)); },

removeEventListener: function (types, fn, context) { // ([String, Function, Object]) or (Object[, Object])

if (!this[eventsKey]) { return this; }

if (!types) { return this.clearAllEventListeners; }

if (L.Util.invokeEach(types, this.removeEventListener, this, fn, context)) { return this; }

var events = this[eventsKey], contextId = context && context !== this && L.stamp(context), i, len, type, listeners, j, indexKey, indexLenKey, typeIndex, removed;

types = L.Util.splitWords(types);

for (i = 0, len = types.length; i < len; i++) { type = types[i]; indexKey = type + '_idx'; indexLenKey = indexKey + '_len';

typeIndex = events[indexKey];

if (!fn) { // clear all listeners for a type if function isn't specified delete events[type]; delete events[indexKey]; delete events[indexLenKey];

} else { listeners = contextId && typeIndex ? typeIndex[contextId] : events[type];

if (listeners) { for (j = listeners.length - 1; j >= 0; j--) { if ((listeners[j].action === fn) && (!context || (listeners[j].context === context))) { removed = listeners.splice(j, 1); // set the old action to a no-op, because it is possible // that the listener is being iterated over as part of a dispatch removed[0].action = L.Util.falseFn; }					}

if (context && typeIndex && (listeners.length === 0)) { delete typeIndex[contextId]; events[indexLenKey]--; }				}			}		}

return this; },

clearAllEventListeners: function { delete this[eventsKey]; return this; },

fireEvent: function (type, data) { // (String[, Object]) if (!this.hasEventListeners(type)) { return this; }

var event = L.Util.extend({}, data, { type: type, target: this });

var events = this[eventsKey], listeners, i, len, typeIndex, contextId;

if (events[type]) { // make sure adding/removing listeners inside other listeners won't cause infinite loop listeners = events[type].slice;

for (i = 0, len = listeners.length; i < len; i++) { listeners[i].action.call(listeners[i].context, event); }		}

// fire event for the context-indexed listeners as well typeIndex = events[type + '_idx'];

for (contextId in typeIndex) { listeners = typeIndex[contextId].slice;

if (listeners) { for (i = 0, len = listeners.length; i < len; i++) { listeners[i].action.call(listeners[i].context, event); }			}		}

return this; },

addOneTimeEventListener: function (types, fn, context) {

if (L.Util.invokeEach(types, this.addOneTimeEventListener, this, fn, context)) { return this; }

var handler = L.bind(function {			this			    .removeEventListener(types, fn, context)			    .removeEventListener(types, handler, context);		}, this);

return this .addEventListener(types, fn, context) .addEventListener(types, handler, context); } };

L.Mixin.Events.on = L.Mixin.Events.addEventListener; L.Mixin.Events.off = L.Mixin.Events.removeEventListener; L.Mixin.Events.once = L.Mixin.Events.addOneTimeEventListener; L.Mixin.Events.fire = L.Mixin.Events.fireEvent;

/* * L.Browser handles different browser and feature detections for internal Leaflet use. */

(function {

var ie = 'ActiveXObject' in window, ielt9 = ie && !document.addEventListener,

// terrible browser detection to work around Safari / iOS / Android browser bugs ua = navigator.userAgent.toLowerCase, webkit = ua.indexOf('webkit') !== -1, chrome = ua.indexOf('chrome') !== -1, phantomjs = ua.indexOf('phantom') !== -1, android = ua.indexOf('android') !== -1, android23 = ua.search('android [23]') !== -1, gecko = ua.indexOf('gecko') !== -1,

mobile = typeof orientation !== undefined + '', msPointer = window.navigator && window.navigator.msPointerEnabled && window.navigator.msMaxTouchPoints && !window.PointerEvent, pointer = (window.PointerEvent && window.navigator.pointerEnabled && window.navigator.maxTouchPoints) || msPointer, retina = ('devicePixelRatio' in window && window.devicePixelRatio > 1) || ('matchMedia' in window && window.matchMedia('(min-resolution:144dpi)') &&	             window.matchMedia('(min-resolution:144dpi)').matches),

doc = document.documentElement, ie3d = ie && ('transition' in doc.style), webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix) && !android23, gecko3d = 'MozPerspective' in doc.style, opera3d = 'OTransition' in doc.style, any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs;

// PhantomJS has 'ontouchstart' in document.documentElement, but doesn't actually support touch. // https://github.com/Leaflet/Leaflet/pull/1434#issuecomment-13843151

var touch = !window.L_NO_TOUCH && !phantomjs && (function {

var startName = 'ontouchstart';

// IE10+ (We simulate these into touch* events in L.DomEvent and L.DomEvent.Pointer) or WebKit, etc.		if (pointer || (startName in doc)) { return true; }

// Firefox/Gecko var div = document.createElement('div'), supported = false;

if (!div.setAttribute) { return false; }		div.setAttribute(startName, 'return;');

if (typeof div[startName] === 'function') { supported = true; }

div.removeAttribute(startName); div = null;

return supported; });

L.Browser = { ie: ie, ielt9: ielt9, webkit: webkit, gecko: gecko && !webkit && !window.opera && !ie,

android: android, android23: android23,

chrome: chrome,

ie3d: ie3d, webkit3d: webkit3d, gecko3d: gecko3d, opera3d: opera3d, any3d: any3d,

mobile: mobile, mobileWebkit: mobile && webkit, mobileWebkit3d: mobile && webkit3d, mobileOpera: mobile && window.opera,

touch: touch, msPointer: msPointer, pointer: pointer,

retina: retina };

});

/* * L.Point represents a point with x and y coordinates. */

L.Point = function (/*Number*/ x, /*Number*/ y, /*Boolean*/ round) { this.x = (round ? Math.round(x) : x); this.y = (round ? Math.round(y) : y); };

L.Point.prototype = {

clone: function { return new L.Point(this.x, this.y); },

// non-destructive, returns a new point add: function (point) { return this.clone._add(L.point(point)); },

// destructive, used directly for performance in situations where it's safe to modify existing point _add: function (point) { this.x += point.x;		this.y += point.y;		return this; },

subtract: function (point) { return this.clone._subtract(L.point(point)); },

_subtract: function (point) { this.x -= point.x;		this.y -= point.y;		return this; },

divideBy: function (num) { return this.clone._divideBy(num); },

_divideBy: function (num) { this.x /= num; this.y /= num; return this; },

multiplyBy: function (num) { return this.clone._multiplyBy(num); },

_multiplyBy: function (num) { this.x *= num; this.y *= num; return this; },

round: function { return this.clone._round; },

_round: function { this.x = Math.round(this.x); this.y = Math.round(this.y); return this; },

floor: function { return this.clone._floor; },

_floor: function { this.x = Math.floor(this.x); this.y = Math.floor(this.y); return this; },

distanceTo: function (point) { point = L.point(point);

var x = point.x - this.x,		   y = point.y - this.y;

return Math.sqrt(x * x + y * y); },

equals: function (point) { point = L.point(point);

return point.x === this.x && point.y === this.y;	},

contains: function (point) { point = L.point(point);

return Math.abs(point.x) <= Math.abs(this.x) && Math.abs(point.y) <= Math.abs(this.y); },

toString: function { return 'Point(' +		       L.Util.formatNum(this.x) + ', ' +		        L.Util.formatNum(this.y) + ')'; } };

L.point = function (x, y, round) { if (x instanceof L.Point) { return x;	} if (L.Util.isArray(x)) { return new L.Point(x[0], x[1]); }	if (x === undefined || x === null) { return x;	} return new L.Point(x, y, round); };

/* * L.Bounds represents a rectangular area on the screen in pixel coordinates. */

L.Bounds = function (a, b) { //(Point, Point) or Point[] if (!a) { return; }

var points = b ? [a, b] : a;

for (var i = 0, len = points.length; i < len; i++) { this.extend(points[i]); } };

L.Bounds.prototype = { // extend the bounds to contain the given point extend: function (point) { // (Point) point = L.point(point);

if (!this.min && !this.max) { this.min = point.clone; this.max = point.clone; } else { this.min.x = Math.min(point.x, this.min.x); this.max.x = Math.max(point.x, this.max.x); this.min.y = Math.min(point.y, this.min.y); this.max.y = Math.max(point.y, this.max.y); }		return this; },

getCenter: function (round) { // (Boolean) -> Point return new L.Point(		       (this.min.x + this.max.x) / 2,		        (this.min.y + this.max.y) / 2, round); },

getBottomLeft: function { // -> Point return new L.Point(this.min.x, this.max.y); },

getTopRight: function { // -> Point return new L.Point(this.max.x, this.min.y); },

getSize: function { return this.max.subtract(this.min); },

contains: function (obj) { // (Bounds) or (Point) -> Boolean var min, max;

if (typeof obj[0] === 'number' || obj instanceof L.Point) { obj = L.point(obj); } else { obj = L.bounds(obj); }

if (obj instanceof L.Bounds) { min = obj.min; max = obj.max; } else { min = max = obj; }

return (min.x >= this.min.x) && (max.x <= this.max.x) && (min.y >= this.min.y) && (max.y <= this.max.y); },

intersects: function (bounds) { // (Bounds) -> Boolean bounds = L.bounds(bounds);

var min = this.min, max = this.max, min2 = bounds.min, max2 = bounds.max, xIntersects = (max2.x >= min.x) && (min2.x <= max.x), yIntersects = (max2.y >= min.y) && (min2.y <= max.y);

return xIntersects && yIntersects; },

isValid: function { return !!(this.min && this.max); } };

L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[]) if (!a || a instanceof L.Bounds) { return a;	} return new L.Bounds(a, b); };

/* * L.Transformation is an utility class to perform simple point transformations through a 2d-matrix. */

L.Transformation = function (a, b, c, d) { this._a = a;	this._b = b;	this._c = c;	this._d = d; };

L.Transformation.prototype = { transform: function (point, scale) { // (Point, Number) -> Point return this._transform(point.clone, scale); },

// destructive transform (faster) _transform: function (point, scale) { scale = scale || 1; point.x = scale * (this._a * point.x + this._b); point.y = scale * (this._c * point.y + this._d); return point; },

untransform: function (point, scale) { scale = scale || 1; return new L.Point(		       (point.x / scale - this._b) / this._a,		        (point.y / scale - this._d) / this._c); } };

/* * L.DomUtil contains various utility functions for working with DOM. */

L.DomUtil = { get: function (id) { return (typeof id === 'string' ? document.getElementById(id) : id); },

getStyle: function (el, style) {

var value = el.style[style];

if (!value && el.currentStyle) { value = el.currentStyle[style]; }

if ((!value || value === 'auto') && document.defaultView) { var css = document.defaultView.getComputedStyle(el, null); value = css ? css[style] : null; }

return value === 'auto' ? null : value; },

getViewportOffset: function (element) {

var top = 0, left = 0, el = element, docBody = document.body, docEl = document.documentElement, pos;

do { top += el.offsetTop  || 0; left += el.offsetLeft || 0;

//add borders top += parseInt(L.DomUtil.getStyle(el, 'borderTopWidth'), 10) || 0; left += parseInt(L.DomUtil.getStyle(el, 'borderLeftWidth'), 10) || 0;

pos = L.DomUtil.getStyle(el, 'position');

if (el.offsetParent === docBody && pos === 'absolute') { break; }

if (pos === 'fixed') { top += docBody.scrollTop  || docEl.scrollTop  || 0; left += docBody.scrollLeft || docEl.scrollLeft || 0; break; }

if (pos === 'relative' && !el.offsetLeft) { var width = L.DomUtil.getStyle(el, 'width'), maxWidth = L.DomUtil.getStyle(el, 'max-width'), r = el.getBoundingClientRect;

if (width !== 'none' || maxWidth !== 'none') { left += r.left + el.clientLeft; }

//calculate full y offset since we're breaking out of the loop top += r.top + (docBody.scrollTop || docEl.scrollTop  || 0);

break; }

el = el.offsetParent;

} while (el);

el = element;

do { if (el === docBody) { break; }

top -= el.scrollTop  || 0; left -= el.scrollLeft || 0;

el = el.parentNode; } while (el);

return new L.Point(left, top); },

documentIsLtr: function { if (!L.DomUtil._docIsLtrCached) { L.DomUtil._docIsLtrCached = true; L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === 'ltr'; }		return L.DomUtil._docIsLtr; },

create: function (tagName, className, container) {

var el = document.createElement(tagName); el.className = className;

if (container) { container.appendChild(el); }

return el; },

hasClass: function (el, name) { if (el.classList !== undefined) { return el.classList.contains(name); }		var className = L.DomUtil._getClass(el); return className.length > 0 && new RegExp('(^|\\s)' + name + '(\\s|$)').test(className); },

addClass: function (el, name) { if (el.classList !== undefined) { var classes = L.Util.splitWords(name); for (var i = 0, len = classes.length; i < len; i++) { el.classList.add(classes[i]); }		} else if (!L.DomUtil.hasClass(el, name)) { var className = L.DomUtil._getClass(el); L.DomUtil._setClass(el, (className ? className + ' ' : '') + name); }	},

removeClass: function (el, name) { if (el.classList !== undefined) { el.classList.remove(name); } else { L.DomUtil._setClass(el, L.Util.trim((' ' + L.DomUtil._getClass(el) + ' ').replace(' ' + name + ' ', ' '))); }	},

_setClass: function (el, name) { if (el.className.baseVal === undefined) { el.className = name; } else { // in case of SVG element el.className.baseVal = name; }	},

_getClass: function (el) { return el.className.baseVal === undefined ? el.className : el.className.baseVal; },

setOpacity: function (el, value) {

if ('opacity' in el.style) { el.style.opacity = value;

} else if ('filter' in el.style) {

var filter = false, filterName = 'DXImageTransform.Microsoft.Alpha';

// filters collection throws an error if we try to retrieve a filter that doesn't exist try { filter = el.filters.item(filterName); } catch (e) { // don't set opacity to 1 if we haven't already set an opacity, // it isn't needed and breaks transparent pngs. if (value === 1) { return; } }

value = Math.round(value * 100);

if (filter) { filter.Enabled = (value !== 100); filter.Opacity = value; } else { el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')'; }		}	},

testProp: function (props) {

var style = document.documentElement.style;

for (var i = 0; i < props.length; i++) { if (props[i] in style) { return props[i]; }		}		return false; },

getTranslateString: function (point) { // on WebKit browsers (Chrome/Safari/iOS Safari/Android) using translate3d instead of translate // makes animation smoother as it ensures HW accel is used. Firefox 13 doesn't care // (same speed either way), Opera 12 doesn't support translate3d

var is3d = L.Browser.webkit3d, open = 'translate' + (is3d ? '3d' : '') + '(',		   close = (is3d ? ',0' : '') + ')';

return open + point.x + 'px,' + point.y + 'px' + close; },

getScaleString: function (scale, origin) {

var preTranslateStr = L.DomUtil.getTranslateString(origin.add(origin.multiplyBy(-1 * scale))), scaleStr = ' scale(' + scale + ') ';

return preTranslateStr + scaleStr; },

setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean])

// jshint camelcase: false el._leaflet_pos = point;

if (!disable3D && L.Browser.any3d) { el.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString(point); } else { el.style.left = point.x + 'px'; el.style.top = point.y + 'px'; }	},

getPosition: function (el) { // this method is only used for elements previously positioned using setPosition, // so it's safe to cache the position for performance

// jshint camelcase: false return el._leaflet_pos; } };

// prefix style property names

L.DomUtil.TRANSFORM = L.DomUtil.testProp(       ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);

// webkitTransition comes first because some browser versions that drop vendor prefix don't do // the same for the transitionend event, in particular the Android 4.1 stock browser

L.DomUtil.TRANSITION = L.DomUtil.testProp(       ['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);

L.DomUtil.TRANSITION_END = L.DomUtil.TRANSITION === 'webkitTransition' || L.DomUtil.TRANSITION === 'OTransition' ? L.DomUtil.TRANSITION + 'End' : 'transitionend';

(function {    if ('onselectstart' in document) {        L.extend(L.DomUtil, { disableTextSelection: function { L.DomEvent.on(window, 'selectstart', L.DomEvent.preventDefault); },

enableTextSelection: function { L.DomEvent.off(window, 'selectstart', L.DomEvent.preventDefault); }       });    } else {        var userSelectProperty = L.DomUtil.testProp( ['userSelect', 'WebkitUserSelect', 'OUserSelect', 'MozUserSelect', 'msUserSelect']);

L.extend(L.DomUtil, {           disableTextSelection: function  {                if (userSelectProperty) {                    var style = document.documentElement.style;                    this._userSelect = style[userSelectProperty];                    style[userSelectProperty] = 'none';                }            },

enableTextSelection: function { if (userSelectProperty) { document.documentElement.style[userSelectProperty] = this._userSelect; delete this._userSelect; }           }        });    }

L.extend(L.DomUtil, {		disableImageDrag: function {			L.DomEvent.on(window, 'dragstart', L.DomEvent.preventDefault);		},

enableImageDrag: function { L.DomEvent.off(window, 'dragstart', L.DomEvent.preventDefault); }	}); });

/* * L.LatLng represents a geographical point with latitude and longitude coordinates. */

L.LatLng = function (lat, lng, alt) { // (Number, Number, Number) lat = parseFloat(lat); lng = parseFloat(lng);

if (isNaN(lat) || isNaN(lng)) { throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')'); }

this.lat = lat; this.lng = lng;

if (alt !== undefined) { this.alt = parseFloat(alt); } };

L.extend(L.LatLng, {	DEG_TO_RAD: Math.PI / 180,	RAD_TO_DEG: 180 / Math.PI,	MAX_MARGIN: 1.0E-9 // max margin of error for the "equals" check });

L.LatLng.prototype = { equals: function (obj) { // (LatLng) -> Boolean if (!obj) { return false; }

obj = L.latLng(obj);

var margin = Math.max(		       Math.abs(this.lat - obj.lat),		        Math.abs(this.lng - obj.lng));

return margin <= L.LatLng.MAX_MARGIN; },

toString: function (precision) { // (Number) -> String return 'LatLng(' +		       L.Util.formatNum(this.lat, precision) + ', ' +		        L.Util.formatNum(this.lng, precision) + ')'; },

// Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula // TODO move to projection code, LatLng shouldn't know about Earth distanceTo: function (other) { // (LatLng) -> Number other = L.latLng(other);

var R = 6378137, // earth radius in meters d2r = L.LatLng.DEG_TO_RAD, dLat = (other.lat - this.lat) * d2r, dLon = (other.lng - this.lng) * d2r, lat1 = this.lat * d2r, lat2 = other.lat * d2r, sin1 = Math.sin(dLat / 2), sin2 = Math.sin(dLon / 2);

var a = sin1 * sin1 + sin2 * sin2 * Math.cos(lat1) * Math.cos(lat2);

return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); },

wrap: function (a, b) { // (Number, Number) -> LatLng var lng = this.lng;

a = a || -180; b = b || 180;

lng = (lng + b) % (b - a) + (lng < a || lng === b ? b : a);

return new L.LatLng(this.lat, lng); } };

L.latLng = function (a, b) { // (LatLng) or ([Number, Number]) or (Number, Number) if (a instanceof L.LatLng) { return a;	} if (L.Util.isArray(a)) { if (typeof a[0] === 'number' || typeof a[0] === 'string') { return new L.LatLng(a[0], a[1], a[2]); } else { return null; }	}	if (a === undefined || a === null) { return a;	} if (typeof a === 'object' && 'lat' in a) { return new L.LatLng(a.lat, 'lng' in a ? a.lng : a.lon); }	if (b === undefined) { return null; }	return new L.LatLng(a, b); };

/* * L.LatLngBounds represents a rectangular area on the map in geographical coordinates. */

L.LatLngBounds = function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[]) if (!southWest) { return; }

var latlngs = northEast ? [southWest, northEast] : southWest;

for (var i = 0, len = latlngs.length; i < len; i++) { this.extend(latlngs[i]); } };

L.LatLngBounds.prototype = { // extend the bounds to contain the given point or bounds extend: function (obj) { // (LatLng) or (LatLngBounds) if (!obj) { return this; }

var latLng = L.latLng(obj); if (latLng !== null) { obj = latLng; } else { obj = L.latLngBounds(obj); }

if (obj instanceof L.LatLng) { if (!this._southWest && !this._northEast) { this._southWest = new L.LatLng(obj.lat, obj.lng); this._northEast = new L.LatLng(obj.lat, obj.lng); } else { this._southWest.lat = Math.min(obj.lat, this._southWest.lat); this._southWest.lng = Math.min(obj.lng, this._southWest.lng);

this._northEast.lat = Math.max(obj.lat, this._northEast.lat); this._northEast.lng = Math.max(obj.lng, this._northEast.lng); }		} else if (obj instanceof L.LatLngBounds) { this.extend(obj._southWest); this.extend(obj._northEast); }		return this; },

// extend the bounds by a percentage pad: function (bufferRatio) { // (Number) -> LatLngBounds var sw = this._southWest, ne = this._northEast, heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio, widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;

return new L.LatLngBounds(		       new L.LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),		        new L.LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer)); },

getCenter: function { // -> LatLng return new L.LatLng(		       (this._southWest.lat + this._northEast.lat) / 2,		        (this._southWest.lng + this._northEast.lng) / 2); },

getSouthWest: function { return this._southWest; },

getNorthEast: function { return this._northEast; },

getNorthWest: function { return new L.LatLng(this.getNorth, this.getWest); },

getSouthEast: function { return new L.LatLng(this.getSouth, this.getEast); },

getWest: function { return this._southWest.lng; },

getSouth: function { return this._southWest.lat; },

getEast: function { return this._northEast.lng; },

getNorth: function { return this._northEast.lat; },

contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean if (typeof obj[0] === 'number' || obj instanceof L.LatLng) { obj = L.latLng(obj); } else { obj = L.latLngBounds(obj); }

var sw = this._southWest, ne = this._northEast, sw2, ne2;

if (obj instanceof L.LatLngBounds) { sw2 = obj.getSouthWest; ne2 = obj.getNorthEast; } else { sw2 = ne2 = obj; }

return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) && (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng); },

intersects: function (bounds) { // (LatLngBounds) bounds = L.latLngBounds(bounds);

var sw = this._southWest, ne = this._northEast, sw2 = bounds.getSouthWest, ne2 = bounds.getNorthEast,

latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat), lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng);

return latIntersects && lngIntersects; },

toBBoxString: function { return [this.getWest, this.getSouth, this.getEast, this.getNorth].join(','); },

equals: function (bounds) { // (LatLngBounds) if (!bounds) { return false; }

bounds = L.latLngBounds(bounds);

return this._southWest.equals(bounds.getSouthWest) && this._northEast.equals(bounds.getNorthEast); },

isValid: function { return !!(this._southWest && this._northEast); } };

//TODO International date line?

L.latLngBounds = function (a, b) { // (LatLngBounds) or (LatLng, LatLng) if (!a || a instanceof L.LatLngBounds) { return a;	} return new L.LatLngBounds(a, b); };

/* * L.Projection contains various geographical projections used by CRS classes. */

L.Projection = {};

/* * Spherical Mercator is the most popular map projection, used by EPSG:3857 CRS used by default. */

L.Projection.SphericalMercator = { MAX_LATITUDE: 85.0511287798,

project: function (latlng) { // (LatLng) -> Point var d = L.LatLng.DEG_TO_RAD, max = this.MAX_LATITUDE, lat = Math.max(Math.min(max, latlng.lat), -max), x = latlng.lng * d,		   y = lat * d;

y = Math.log(Math.tan((Math.PI / 4) + (y / 2)));

return new L.Point(x, y); },

unproject: function (point) { // (Point, Boolean) -> LatLng var d = L.LatLng.RAD_TO_DEG, lng = point.x * d,		   lat = (2 * Math.atan(Math.exp(point.y)) - (Math.PI / 2)) * d;

return new L.LatLng(lat, lng); } };

/* * Simple equirectangular (Plate Carree) projection, used by CRS like EPSG:4326 and Simple. */

L.Projection.LonLat = { project: function (latlng) { return new L.Point(latlng.lng, latlng.lat); },

unproject: function (point) { return new L.LatLng(point.y, point.x); } };

/* * L.CRS is a base object for all defined CRS (Coordinate Reference Systems) in Leaflet. */

L.CRS = { latLngToPoint: function (latlng, zoom) { // (LatLng, Number) -> Point var projectedPoint = this.projection.project(latlng), scale = this.scale(zoom);

return this.transformation._transform(projectedPoint, scale); },

pointToLatLng: function (point, zoom) { // (Point, Number[, Boolean]) -> LatLng var scale = this.scale(zoom), untransformedPoint = this.transformation.untransform(point, scale);

return this.projection.unproject(untransformedPoint); },

project: function (latlng) { return this.projection.project(latlng); },

scale: function (zoom) { return 256 * Math.pow(2, zoom); },

getSize: function (zoom) { var s = this.scale(zoom); return L.point(s, s); } };

/* * A simple CRS that can be used for flat non-Earth maps like panoramas or game maps. */

L.CRS.Simple = L.extend({}, L.CRS, {	projection: L.Projection.LonLat,	transformation: new L.Transformation(1, 0, -1, 0),

scale: function (zoom) { return Math.pow(2, zoom); } });

/* * L.CRS.EPSG3857 (Spherical Mercator) is the most common CRS for web mapping * and is used by Leaflet by default. */

L.CRS.EPSG3857 = L.extend({}, L.CRS, {	code: 'EPSG:3857',

projection: L.Projection.SphericalMercator, transformation: new L.Transformation(0.5 / Math.PI, 0.5, -0.5 / Math.PI, 0.5),

project: function (latlng) { // (LatLng) -> Point var projectedPoint = this.projection.project(latlng), earthRadius = 6378137; return projectedPoint.multiplyBy(earthRadius); } });

L.CRS.EPSG900913 = L.extend({}, L.CRS.EPSG3857, {	code: 'EPSG:900913' });

/* * L.CRS.EPSG4326 is a CRS popular among advanced GIS specialists. */

L.CRS.EPSG4326 = L.extend({}, L.CRS, {	code: 'EPSG:4326',

projection: L.Projection.LonLat, transformation: new L.Transformation(1 / 360, 0.5, -1 / 360, 0.5) });

/* * L.Map is the central class of the API - it is used to create a map. */

L.Map = L.Class.extend({

includes: L.Mixin.Events,

options: { crs: L.CRS.EPSG3857,

/*		center: LatLng, zoom: Number, layers: Array, */

fadeAnimation: L.DomUtil.TRANSITION && !L.Browser.android23, trackResize: true, markerZoomAnimation: L.DomUtil.TRANSITION && L.Browser.any3d },

initialize: function (id, options) { // (HTMLElement or String, Object) options = L.setOptions(this, options);

this._initContainer(id); this._initLayout;

// hack for https://github.com/Leaflet/Leaflet/issues/1980 this._onResize = L.bind(this._onResize, this);

this._initEvents;

if (options.maxBounds) { this.setMaxBounds(options.maxBounds); }

if (options.center && options.zoom !== undefined) { this.setView(L.latLng(options.center), options.zoom, {reset: true}); }

this._handlers = [];

this._layers = {}; this._zoomBoundLayers = {}; this._tileLayersNum = 0;

this.callInitHooks;

this._addLayers(options.layers); },

// public methods that modify map state

// replaced by animation-powered implementation in Map.PanAnimation.js	setView: function (center, zoom) { zoom = zoom === undefined ? this.getZoom : zoom; this._resetView(L.latLng(center), this._limitZoom(zoom)); return this; },

setZoom: function (zoom, options) { if (!this._loaded) { this._zoom = this._limitZoom(zoom); return this; }		return this.setView(this.getCenter, zoom, {zoom: options}); },

zoomIn: function (delta, options) { return this.setZoom(this._zoom + (delta || 1), options); },

zoomOut: function (delta, options) { return this.setZoom(this._zoom - (delta || 1), options); },

setZoomAround: function (latlng, zoom, options) { var scale = this.getZoomScale(zoom), viewHalf = this.getSize.divideBy(2), containerPoint = latlng instanceof L.Point ? latlng : this.latLngToContainerPoint(latlng),

centerOffset = containerPoint.subtract(viewHalf).multiplyBy(1 - 1 / scale), newCenter = this.containerPointToLatLng(viewHalf.add(centerOffset));

return this.setView(newCenter, zoom, {zoom: options}); },

fitBounds: function (bounds, options) {

options = options || {}; bounds = bounds.getBounds ? bounds.getBounds : L.latLngBounds(bounds);

var paddingTL = L.point(options.paddingTopLeft || options.padding || [0, 0]), paddingBR = L.point(options.paddingBottomRight || options.padding || [0, 0]),

zoom = this.getBoundsZoom(bounds, false, paddingTL.add(paddingBR)), paddingOffset = paddingBR.subtract(paddingTL).divideBy(2),

swPoint = this.project(bounds.getSouthWest, zoom), nePoint = this.project(bounds.getNorthEast, zoom), center = this.unproject(swPoint.add(nePoint).divideBy(2).add(paddingOffset), zoom);

zoom = options && options.maxZoom ? Math.min(options.maxZoom, zoom) : zoom;

return this.setView(center, zoom, options); },

fitWorld: function (options) { return this.fitBounds(-90, -180], [90, 180, options); },

panTo: function (center, options) { // (LatLng) return this.setView(center, this._zoom, {pan: options}); },

panBy: function (offset) { // (Point) // replaced with animated panBy in Map.PanAnimation.js		this.fire('movestart');

this._rawPanBy(L.point(offset));

this.fire('move'); return this.fire('moveend'); },

setMaxBounds: function (bounds) { bounds = L.latLngBounds(bounds);

this.options.maxBounds = bounds;

if (!bounds) { return this.off('moveend', this._panInsideMaxBounds, this); }

if (this._loaded) { this._panInsideMaxBounds; }

return this.on('moveend', this._panInsideMaxBounds, this); },

panInsideBounds: function (bounds, options) { var center = this.getCenter, newCenter = this._limitCenter(center, this._zoom, bounds);

if (center.equals(newCenter)) { return this; }

return this.panTo(newCenter, options); },

addLayer: function (layer) { // TODO method is too big, refactor

var id = L.stamp(layer);

if (this._layers[id]) { return this; }

this._layers[id] = layer;

// TODO getMaxZoom, getMinZoom in ILayer (instead of options) if (layer.options && (!isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom))) { this._zoomBoundLayers[id] = layer; this._updateZoomLevels; }

// TODO looks ugly, refactor!!! if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) { this._tileLayersNum++; this._tileLayersToLoad++; layer.on('load', this._onTileLayerLoad, this); }

if (this._loaded) { this._layerAdd(layer); }

return this; },

removeLayer: function (layer) { var id = L.stamp(layer);

if (!this._layers[id]) { return this; }

if (this._loaded) { layer.onRemove(this); }

delete this._layers[id];

if (this._loaded) { this.fire('layerremove', {layer: layer}); }

if (this._zoomBoundLayers[id]) { delete this._zoomBoundLayers[id]; this._updateZoomLevels; }

// TODO looks ugly, refactor if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) { this._tileLayersNum--; this._tileLayersToLoad--; layer.off('load', this._onTileLayerLoad, this); }

return this; },

hasLayer: function (layer) { if (!layer) { return false; }

return (L.stamp(layer) in this._layers); },

eachLayer: function (method, context) { for (var i in this._layers) { method.call(context, this._layers[i]); }		return this; },

invalidateSize: function (options) { if (!this._loaded) { return this; }

options = L.extend({			animate: false,			pan: true		}, options === true ? {animate: true} : options);

var oldSize = this.getSize; this._sizeChanged = true; this._initialCenter = null;

var newSize = this.getSize, oldCenter = oldSize.divideBy(2).round, newCenter = newSize.divideBy(2).round, offset = oldCenter.subtract(newCenter);

if (!offset.x && !offset.y) { return this; }

if (options.animate && options.pan) { this.panBy(offset);

} else { if (options.pan) { this._rawPanBy(offset); }

this.fire('move');

if (options.debounceMoveend) { clearTimeout(this._sizeTimer); this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200); } else { this.fire('moveend'); }		}

return this.fire('resize', {			oldSize: oldSize,			newSize: newSize		}); },

// TODO handler.addTo addHandler: function (name, HandlerClass) { if (!HandlerClass) { return this; }

var handler = this[name] = new HandlerClass(this);

this._handlers.push(handler);

if (this.options[name]) { handler.enable; }

return this; },

remove: function { if (this._loaded) { this.fire('unload'); }

this._initEvents('off');

try { // throws error in IE6-8 delete this._container._leaflet; } catch (e) { this._container._leaflet = undefined; }

this._clearPanes; if (this._clearControlPos) { this._clearControlPos; }

this._clearHandlers;

return this; },

// public methods for getting map state

getCenter: function { // (Boolean) -> LatLng this._checkIfLoaded;

if (this._initialCenter && !this._moved) { return this._initialCenter; }		return this.layerPointToLatLng(this._getCenterLayerPoint); },

getZoom: function { return this._zoom; },

getBounds: function { var bounds = this.getPixelBounds, sw = this.unproject(bounds.getBottomLeft), ne = this.unproject(bounds.getTopRight);

return new L.LatLngBounds(sw, ne); },

getMinZoom: function { return this.options.minZoom === undefined ? (this._layersMinZoom === undefined ? 0 : this._layersMinZoom) : this.options.minZoom; },

getMaxZoom: function { return this.options.maxZoom === undefined ? (this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom) : this.options.maxZoom; },

getBoundsZoom: function (bounds, inside, padding) { // (LatLngBounds[, Boolean, Point]) -> Number bounds = L.latLngBounds(bounds);

var zoom = this.getMinZoom - (inside ? 1 : 0), maxZoom = this.getMaxZoom, size = this.getSize,

nw = bounds.getNorthWest, se = bounds.getSouthEast,

zoomNotFound = true, boundsSize;

padding = L.point(padding || [0, 0]);

do { zoom++; boundsSize = this.project(se, zoom).subtract(this.project(nw, zoom)).add(padding); zoomNotFound = !inside ? size.contains(boundsSize) : boundsSize.x < size.x || boundsSize.y < size.y;

} while (zoomNotFound && zoom <= maxZoom);

if (zoomNotFound && inside) { return null; }

return inside ? zoom : zoom - 1; },

getSize: function { if (!this._size || this._sizeChanged) { this._size = new L.Point(				this._container.clientWidth,				this._container.clientHeight);

this._sizeChanged = false; }		return this._size.clone; },

getPixelBounds: function { var topLeftPoint = this._getTopLeftPoint; return new L.Bounds(topLeftPoint, topLeftPoint.add(this.getSize)); },

getPixelOrigin: function { this._checkIfLoaded; return this._initialTopLeftPoint; },

getPanes: function { return this._panes; },

getContainer: function { return this._container; },

// TODO replace with universal implementation after refactoring projections

getZoomScale: function (toZoom) { var crs = this.options.crs; return crs.scale(toZoom) / crs.scale(this._zoom); },

getScaleZoom: function (scale) { return this._zoom + (Math.log(scale) / Math.LN2); },

// conversion methods

project: function (latlng, zoom) { // (LatLng[, Number]) -> Point zoom = zoom === undefined ? this._zoom : zoom; return this.options.crs.latLngToPoint(L.latLng(latlng), zoom); },

unproject: function (point, zoom) { // (Point[, Number]) -> LatLng zoom = zoom === undefined ? this._zoom : zoom; return this.options.crs.pointToLatLng(L.point(point), zoom); },

layerPointToLatLng: function (point) { // (Point) var projectedPoint = L.point(point).add(this.getPixelOrigin); return this.unproject(projectedPoint); },

latLngToLayerPoint: function (latlng) { // (LatLng) var projectedPoint = this.project(L.latLng(latlng))._round; return projectedPoint._subtract(this.getPixelOrigin); },

containerPointToLayerPoint: function (point) { // (Point) return L.point(point).subtract(this._getMapPanePos); },

layerPointToContainerPoint: function (point) { // (Point) return L.point(point).add(this._getMapPanePos); },

containerPointToLatLng: function (point) { var layerPoint = this.containerPointToLayerPoint(L.point(point)); return this.layerPointToLatLng(layerPoint); },

latLngToContainerPoint: function (latlng) { return this.layerPointToContainerPoint(this.latLngToLayerPoint(L.latLng(latlng))); },

mouseEventToContainerPoint: function (e) { // (MouseEvent) return L.DomEvent.getMousePosition(e, this._container); },

mouseEventToLayerPoint: function (e) { // (MouseEvent) return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(e)); },

mouseEventToLatLng: function (e) { // (MouseEvent) return this.layerPointToLatLng(this.mouseEventToLayerPoint(e)); },

// map initialization methods

_initContainer: function (id) { var container = this._container = L.DomUtil.get(id);

if (!container) { throw new Error('Map container not found.'); } else if (container._leaflet) { throw new Error('Map container is already initialized.'); }

container._leaflet = true; },

_initLayout: function { var container = this._container;

L.DomUtil.addClass(container, 'leaflet-container' +			(L.Browser.touch ? ' leaflet-touch' : '') +			(L.Browser.retina ? ' leaflet-retina' : '') +			(L.Browser.ielt9 ? ' leaflet-oldie' : '') +			(this.options.fadeAnimation ? ' leaflet-fade-anim' : ''));

var position = L.DomUtil.getStyle(container, 'position');

if (position !== 'absolute' && position !== 'relative' && position !== 'fixed') { container.style.position = 'relative'; }

this._initPanes;

if (this._initControlPos) { this._initControlPos; }	},

_initPanes: function { var panes = this._panes = {};

this._mapPane = panes.mapPane = this._createPane('leaflet-map-pane', this._container);

this._tilePane = panes.tilePane = this._createPane('leaflet-tile-pane', this._mapPane); panes.objectsPane = this._createPane('leaflet-objects-pane', this._mapPane); panes.shadowPane = this._createPane('leaflet-shadow-pane'); panes.overlayPane = this._createPane('leaflet-overlay-pane'); panes.markerPane = this._createPane('leaflet-marker-pane'); panes.popupPane = this._createPane('leaflet-popup-pane');

var zoomHide = ' leaflet-zoom-hide';

if (!this.options.markerZoomAnimation) { L.DomUtil.addClass(panes.markerPane, zoomHide); L.DomUtil.addClass(panes.shadowPane, zoomHide); L.DomUtil.addClass(panes.popupPane, zoomHide); }	},

_createPane: function (className, container) { return L.DomUtil.create('div', className, container || this._panes.objectsPane); },

_clearPanes: function { this._container.removeChild(this._mapPane); },

_addLayers: function (layers) { layers = layers ? (L.Util.isArray(layers) ? layers : [layers]) : [];

for (var i = 0, len = layers.length; i < len; i++) { this.addLayer(layers[i]); }	},

// private methods that modify map state

_resetView: function (center, zoom, preserveMapOffset, afterZoomAnim) {

var zoomChanged = (this._zoom !== zoom);

if (!afterZoomAnim) { this.fire('movestart');

if (zoomChanged) { this.fire('zoomstart'); }		}

this._zoom = zoom; this._initialCenter = center;

this._initialTopLeftPoint = this._getNewTopLeftPoint(center);

if (!preserveMapOffset) { L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0)); } else { this._initialTopLeftPoint._add(this._getMapPanePos); }

this._tileLayersToLoad = this._tileLayersNum;

var loading = !this._loaded; this._loaded = true;

if (loading) { this.fire('load'); this.eachLayer(this._layerAdd, this); }

this.fire('viewreset', {hard: !preserveMapOffset});

this.fire('move');

if (zoomChanged || afterZoomAnim) { this.fire('zoomend'); }

this.fire('moveend', {hard: !preserveMapOffset}); },

_rawPanBy: function (offset) { L.DomUtil.setPosition(this._mapPane, this._getMapPanePos.subtract(offset)); },

_getZoomSpan: function { return this.getMaxZoom - this.getMinZoom; },

_updateZoomLevels: function { var i,			minZoom = Infinity, maxZoom = -Infinity, oldZoomSpan = this._getZoomSpan;

for (i in this._zoomBoundLayers) { var layer = this._zoomBoundLayers[i]; if (!isNaN(layer.options.minZoom)) { minZoom = Math.min(minZoom, layer.options.minZoom); }			if (!isNaN(layer.options.maxZoom)) { maxZoom = Math.max(maxZoom, layer.options.maxZoom); }		}

if (i === undefined) { // we have no tilelayers this._layersMaxZoom = this._layersMinZoom = undefined; } else { this._layersMaxZoom = maxZoom; this._layersMinZoom = minZoom; }

if (oldZoomSpan !== this._getZoomSpan) { this.fire('zoomlevelschange'); }	},

_panInsideMaxBounds: function { this.panInsideBounds(this.options.maxBounds); },

_checkIfLoaded: function { if (!this._loaded) { throw new Error('Set map center and zoom first.'); }	},

// map events

_initEvents: function (onOff) { if (!L.DomEvent) { return; }

onOff = onOff || 'on';

L.DomEvent[onOff](this._container, 'click', this._onMouseClick, this);

var events = ['dblclick', 'mousedown', 'mouseup', 'mouseenter', 'mouseleave', 'mousemove', 'contextmenu'], i, len;

for (i = 0, len = events.length; i < len; i++) { L.DomEvent[onOff](this._container, events[i], this._fireMouseEvent, this); }

if (this.options.trackResize) { L.DomEvent[onOff](window, 'resize', this._onResize, this); }	},

_onResize: function { L.Util.cancelAnimFrame(this._resizeRequest); this._resizeRequest = L.Util.requestAnimFrame(		       function  { this.invalidateSize({debounceMoveend: true}); }, this, false, this._container); },

_onMouseClick: function (e) { if (!this._loaded || (!e._simulated && ((this.dragging && this.dragging.moved) ||		        (this.boxZoom  && this.boxZoom.moved))) ||		            L.DomEvent._skipped(e)) { return; }

this.fire('preclick'); this._fireMouseEvent(e); },

_fireMouseEvent: function (e) { if (!this._loaded || L.DomEvent._skipped(e)) { return; }

var type = e.type;

type = (type === 'mouseenter' ? 'mouseover' : (type === 'mouseleave' ? 'mouseout' : type));

if (!this.hasEventListeners(type)) { return; }

if (type === 'contextmenu') { L.DomEvent.preventDefault(e); }

var containerPoint = this.mouseEventToContainerPoint(e), layerPoint = this.containerPointToLayerPoint(containerPoint), latlng = this.layerPointToLatLng(layerPoint);

this.fire(type, {			latlng: latlng,			layerPoint: layerPoint,			containerPoint: containerPoint,			originalEvent: e		}); },

_onTileLayerLoad: function { this._tileLayersToLoad--; if (this._tileLayersNum && !this._tileLayersToLoad) { this.fire('tilelayersload'); }	},

_clearHandlers: function { for (var i = 0, len = this._handlers.length; i < len; i++) { this._handlers[i].disable; }	},

whenReady: function (callback, context) { if (this._loaded) { callback.call(context || this, this); } else { this.on('load', callback, context); }		return this; },

_layerAdd: function (layer) { layer.onAdd(this); this.fire('layeradd', {layer: layer}); },

// private methods for getting map state

_getMapPanePos: function { return L.DomUtil.getPosition(this._mapPane); },

_moved: function { var pos = this._getMapPanePos; return pos && !pos.equals([0, 0]); },

_getTopLeftPoint: function { return this.getPixelOrigin.subtract(this._getMapPanePos); },

_getNewTopLeftPoint: function (center, zoom) { var viewHalf = this.getSize._divideBy(2); // TODO round on display, not calculation to increase precision? return this.project(center, zoom)._subtract(viewHalf)._round; },

_latLngToNewLayerPoint: function (latlng, newZoom, newCenter) { var topLeft = this._getNewTopLeftPoint(newCenter, newZoom).add(this._getMapPanePos); return this.project(latlng, newZoom)._subtract(topLeft); },

// layer point of the current center _getCenterLayerPoint: function { return this.containerPointToLayerPoint(this.getSize._divideBy(2)); },

// offset of the specified place to the current center in pixels _getCenterOffset: function (latlng) { return this.latLngToLayerPoint(latlng).subtract(this._getCenterLayerPoint); },

// adjust center for view to get inside bounds _limitCenter: function (center, zoom, bounds) {

if (!bounds) { return center; }

var centerPoint = this.project(center, zoom), viewHalf = this.getSize.divideBy(2), viewBounds = new L.Bounds(centerPoint.subtract(viewHalf), centerPoint.add(viewHalf)), offset = this._getBoundsOffset(viewBounds, bounds, zoom);

return this.unproject(centerPoint.add(offset), zoom); },

// adjust offset for view to get inside bounds _limitOffset: function (offset, bounds) { if (!bounds) { return offset; }

var viewBounds = this.getPixelBounds, newBounds = new L.Bounds(viewBounds.min.add(offset), viewBounds.max.add(offset));

return offset.add(this._getBoundsOffset(newBounds, bounds)); },

// returns offset needed for pxBounds to get inside maxBounds at a specified zoom _getBoundsOffset: function (pxBounds, maxBounds, zoom) { var nwOffset = this.project(maxBounds.getNorthWest, zoom).subtract(pxBounds.min), seOffset = this.project(maxBounds.getSouthEast, zoom).subtract(pxBounds.max),

dx = this._rebound(nwOffset.x, -seOffset.x), dy = this._rebound(nwOffset.y, -seOffset.y);

return new L.Point(dx, dy); },

_rebound: function (left, right) { return left + right > 0 ? Math.round(left - right) / 2 : Math.max(0, Math.ceil(left)) - Math.max(0, Math.floor(right)); },

_limitZoom: function (zoom) { var min = this.getMinZoom, max = this.getMaxZoom;

return Math.max(min, Math.min(max, zoom)); } });

L.map = function (id, options) { return new L.Map(id, options); };

/* * Mercator projection that takes into account that the Earth is not a perfect sphere. * Less popular than spherical mercator; used by projections like EPSG:3395. */

L.Projection.Mercator = { MAX_LATITUDE: 85.0840591556,

R_MINOR: 6356752.314245179, R_MAJOR: 6378137,

project: function (latlng) { // (LatLng) -> Point var d = L.LatLng.DEG_TO_RAD, max = this.MAX_LATITUDE, lat = Math.max(Math.min(max, latlng.lat), -max), r = this.R_MAJOR, r2 = this.R_MINOR, x = latlng.lng * d * r,		   y = lat * d,		    tmp = r2 / r,		    eccent = Math.sqrt(1.0 - tmp * tmp), con = eccent * Math.sin(y);

con = Math.pow((1 - con) / (1 + con), eccent * 0.5);

var ts = Math.tan(0.5 * ((Math.PI * 0.5) - y)) / con; y = -r * Math.log(ts);

return new L.Point(x, y); },

unproject: function (point) { // (Point, Boolean) -> LatLng var d = L.LatLng.RAD_TO_DEG, r = this.R_MAJOR, r2 = this.R_MINOR, lng = point.x * d / r,		   tmp = r2 / r,		    eccent = Math.sqrt(1 - (tmp * tmp)), ts = Math.exp(- point.y / r), phi = (Math.PI / 2) - 2 * Math.atan(ts), numIter = 15, tol = 1e-7, i = numIter, dphi = 0.1, con;

while ((Math.abs(dphi) > tol) && (--i > 0)) { con = eccent * Math.sin(phi); dphi = (Math.PI / 2) - 2 * Math.atan(ts *			           Math.pow((1.0 - con) / (1.0 + con), 0.5 * eccent)) - phi; phi += dphi; }

return new L.LatLng(phi * d, lng); } };

L.CRS.EPSG3395 = L.extend({}, L.CRS, {	code: 'EPSG:3395',

projection: L.Projection.Mercator,

transformation: (function {		var m = L.Projection.Mercator,		    r = m.R_MAJOR,		    scale = 0.5 / (Math.PI * r);

return new L.Transformation(scale, 0.5, -scale, 0.5); }) });

/* * L.TileLayer is used for standard xyz-numbered tile layers. */

L.TileLayer = L.Class.extend({	includes: L.Mixin.Events,

options: { minZoom: 0, maxZoom: 18, tileSize: 256, subdomains: 'abc', errorTileUrl: '', attribution: '', zoomOffset: 0, opacity: 1, /*		maxNativeZoom: null, zIndex: null, tms: false, continuousWorld: false, noWrap: false, zoomReverse: false, detectRetina: false, reuseTiles: false, bounds: false, */		unloadInvisibleTiles: L.Browser.mobile, updateWhenIdle: L.Browser.mobile },

initialize: function (url, options) { options = L.setOptions(this, options);

// detecting retina displays, adjusting tileSize and zoom levels if (options.detectRetina && L.Browser.retina && options.maxZoom > 0) {

options.tileSize = Math.floor(options.tileSize / 2); options.zoomOffset++;

if (options.minZoom > 0) { options.minZoom--; }			this.options.maxZoom--; }

if (options.bounds) { options.bounds = L.latLngBounds(options.bounds); }

this._url = url;

var subdomains = this.options.subdomains;

if (typeof subdomains === 'string') { this.options.subdomains = subdomains.split(''); }	},

onAdd: function (map) { this._map = map; this._animated = map._zoomAnimated;

// create a container div for tiles this._initContainer;

// set up events map.on({			'viewreset': this._reset,			'moveend': this._update		}, this);

if (this._animated) { map.on({				'zoomanim': this._animateZoom,				'zoomend': this._endZoomAnim			}, this); }

if (!this.options.updateWhenIdle) { this._limitedUpdate = L.Util.limitExecByInterval(this._update, 150, this); map.on('move', this._limitedUpdate, this); }

this._reset; this._update; },

addTo: function (map) { map.addLayer(this); return this; },

onRemove: function (map) { this._container.parentNode.removeChild(this._container);

map.off({			'viewreset': this._reset,			'moveend': this._update		}, this);

if (this._animated) { map.off({				'zoomanim': this._animateZoom,				'zoomend': this._endZoomAnim			}, this); }

if (!this.options.updateWhenIdle) { map.off('move', this._limitedUpdate, this); }

this._container = null; this._map = null; },

bringToFront: function { var pane = this._map._panes.tilePane;

if (this._container) { pane.appendChild(this._container); this._setAutoZIndex(pane, Math.max); }

return this; },

bringToBack: function { var pane = this._map._panes.tilePane;

if (this._container) { pane.insertBefore(this._container, pane.firstChild); this._setAutoZIndex(pane, Math.min); }

return this; },

getAttribution: function { return this.options.attribution; },

getContainer: function { return this._container; },

setOpacity: function (opacity) { this.options.opacity = opacity;

if (this._map) { this._updateOpacity; }

return this; },

setZIndex: function (zIndex) { this.options.zIndex = zIndex; this._updateZIndex;

return this; },

setUrl: function (url, noRedraw) { this._url = url;

if (!noRedraw) { this.redraw; }

return this; },

redraw: function { if (this._map) { this._reset({hard: true}); this._update; }		return this; },

_updateZIndex: function { if (this._container && this.options.zIndex !== undefined) { this._container.style.zIndex = this.options.zIndex; }	},

_setAutoZIndex: function (pane, compare) {

var layers = pane.children, edgeZIndex = -compare(Infinity, -Infinity), // -Infinity for max, Infinity for min zIndex, i, len;

for (i = 0, len = layers.length; i < len; i++) {

if (layers[i] !== this._container) { zIndex = parseInt(layers[i].style.zIndex, 10);

if (!isNaN(zIndex)) { edgeZIndex = compare(edgeZIndex, zIndex); }			}		}

this.options.zIndex = this._container.style.zIndex = (isFinite(edgeZIndex) ? edgeZIndex : 0) + compare(1, -1); },

_updateOpacity: function { var i,		   tiles = this._tiles;

if (L.Browser.ielt9) { for (i in tiles) { L.DomUtil.setOpacity(tiles[i], this.options.opacity); }		} else { L.DomUtil.setOpacity(this._container, this.options.opacity); }	},

_initContainer: function { var tilePane = this._map._panes.tilePane;

if (!this._container) { this._container = L.DomUtil.create('div', 'leaflet-layer');

this._updateZIndex;

if (this._animated) { var className = 'leaflet-tile-container';

this._bgBuffer = L.DomUtil.create('div', className, this._container); this._tileContainer = L.DomUtil.create('div', className, this._container);

} else { this._tileContainer = this._container; }

tilePane.appendChild(this._container);

if (this.options.opacity < 1) { this._updateOpacity; }		}	},

_reset: function (e) { for (var key in this._tiles) { this.fire('tileunload', {tile: this._tiles[key]}); }

this._tiles = {}; this._tilesToLoad = 0;

if (this.options.reuseTiles) { this._unusedTiles = []; }

this._tileContainer.innerHTML = '';

if (this._animated && e && e.hard) { this._clearBgBuffer; }

this._initContainer; },

_getTileSize: function { var map = this._map, zoom = map.getZoom + this.options.zoomOffset, zoomN = this.options.maxNativeZoom, tileSize = this.options.tileSize;

if (zoomN && zoom > zoomN) { tileSize = Math.round(map.getZoomScale(zoom) / map.getZoomScale(zoomN) * tileSize); }

return tileSize; },

_update: function {

if (!this._map) { return; }

var map = this._map, bounds = map.getPixelBounds, zoom = map.getZoom, tileSize = this._getTileSize;

if (zoom > this.options.maxZoom || zoom < this.options.minZoom) { return; }

var tileBounds = L.bounds(		       bounds.min.divideBy(tileSize)._floor,		        bounds.max.divideBy(tileSize)._floor);

this._addTilesFromCenterOut(tileBounds);

if (this.options.unloadInvisibleTiles || this.options.reuseTiles) { this._removeOtherTiles(tileBounds); }	},

_addTilesFromCenterOut: function (bounds) { var queue = [], center = bounds.getCenter;

var j, i, point;

for (j = bounds.min.y; j <= bounds.max.y; j++) { for (i = bounds.min.x; i <= bounds.max.x; i++) { point = new L.Point(i, j);

if (this._tileShouldBeLoaded(point)) { queue.push(point); }			}		}

var tilesToLoad = queue.length;

if (tilesToLoad === 0) { return; }

// load tiles in order of their distance to center queue.sort(function (a, b) {			return a.distanceTo(center) - b.distanceTo(center);		});

var fragment = document.createDocumentFragment;

// if its the first batch of tiles to load if (!this._tilesToLoad) { this.fire('loading'); }

this._tilesToLoad += tilesToLoad;

for (i = 0; i < tilesToLoad; i++) { this._addTile(queue[i], fragment); }

this._tileContainer.appendChild(fragment); },

_tileShouldBeLoaded: function (tilePoint) { if ((tilePoint.x + ':' + tilePoint.y) in this._tiles) { return false; // already loaded }

var options = this.options;

if (!options.continuousWorld) { var limit = this._getWrapTileNum;

// don't load if exceeds world bounds if ((options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit.x)) ||				tilePoint.y < 0 || tilePoint.y >= limit.y) { return false; } }

if (options.bounds) { var tileSize = options.tileSize, nwPoint = tilePoint.multiplyBy(tileSize), sePoint = nwPoint.add([tileSize, tileSize]), nw = this._map.unproject(nwPoint), se = this._map.unproject(sePoint);

// TODO temporary hack, will be removed after refactoring projections // https://github.com/Leaflet/Leaflet/issues/1618 if (!options.continuousWorld && !options.noWrap) { nw = nw.wrap; se = se.wrap; }

if (!options.bounds.intersects([nw, se])) { return false; } }

return true; },

_removeOtherTiles: function (bounds) { var kArr, x, y, key;

for (key in this._tiles) { kArr = key.split(':'); x = parseInt(kArr[0], 10); y = parseInt(kArr[1], 10);

// remove tile if it's out of bounds if (x < bounds.min.x || x > bounds.max.x || y < bounds.min.y || y > bounds.max.y) { this._removeTile(key); }		}	},

_removeTile: function (key) { var tile = this._tiles[key];

this.fire('tileunload', {tile: tile, url: tile.src});

if (this.options.reuseTiles) { L.DomUtil.removeClass(tile, 'leaflet-tile-loaded'); this._unusedTiles.push(tile);

} else if (tile.parentNode === this._tileContainer) { this._tileContainer.removeChild(tile); }

// for https://github.com/CloudMade/Leaflet/issues/137 if (!L.Browser.android) { tile.onload = null; tile.src = L.Util.emptyImageUrl; }

delete this._tiles[key]; },

_addTile: function (tilePoint, container) { var tilePos = this._getTilePos(tilePoint);

// get unused tile - or create a new tile var tile = this._getTile;

/*		Chrome 20 layouts much faster with top/left (verify with timeline, frames) Android 4 browser has display issues with top/left and requires transform instead (other browsers don't currently care) - see debug/hacks/jitter.html for an example */		L.DomUtil.setPosition(tile, tilePos, L.Browser.chrome);

this._tiles[tilePoint.x + ':' + tilePoint.y] = tile;

this._loadTile(tile, tilePoint);

if (tile.parentNode !== this._tileContainer) { container.appendChild(tile); }	},

_getZoomForUrl: function {

var options = this.options, zoom = this._map.getZoom;

if (options.zoomReverse) { zoom = options.maxZoom - zoom; }

zoom += options.zoomOffset;

return options.maxNativeZoom ? Math.min(zoom, options.maxNativeZoom) : zoom; },

_getTilePos: function (tilePoint) { var origin = this._map.getPixelOrigin, tileSize = this._getTileSize;

return tilePoint.multiplyBy(tileSize).subtract(origin); },

// image-specific code (override to implement e.g. Canvas or SVG tile layer)

getTileUrl: function (tilePoint) { return L.Util.template(this._url, L.extend({ s: this._getSubdomain(tilePoint), z: tilePoint.z,			x: tilePoint.x,			y: tilePoint.y		}, this.options)); },

_getWrapTileNum: function { var crs = this._map.options.crs, size = crs.getSize(this._map.getZoom); return size.divideBy(this._getTileSize)._floor; },

_adjustTilePoint: function (tilePoint) {

var limit = this._getWrapTileNum;

// wrap tile coordinates if (!this.options.continuousWorld && !this.options.noWrap) { tilePoint.x = ((tilePoint.x % limit.x) + limit.x) % limit.x;		}

if (this.options.tms) { tilePoint.y = limit.y - tilePoint.y - 1; }

tilePoint.z = this._getZoomForUrl; },

_getSubdomain: function (tilePoint) { var index = Math.abs(tilePoint.x + tilePoint.y) % this.options.subdomains.length; return this.options.subdomains[index]; },

_getTile: function { if (this.options.reuseTiles && this._unusedTiles.length > 0) { var tile = this._unusedTiles.pop; this._resetTile(tile); return tile; }		return this._createTile; },

// Override if data stored on a tile needs to be cleaned up before reuse _resetTile: function (/*tile*/) {},

_createTile: function { var tile = L.DomUtil.create('img', 'leaflet-tile'); tile.style.width = tile.style.height = this._getTileSize + 'px'; tile.galleryimg = 'no';

tile.onselectstart = tile.onmousemove = L.Util.falseFn;

if (L.Browser.ielt9 && this.options.opacity !== undefined) { L.DomUtil.setOpacity(tile, this.options.opacity); }		// without this hack, tiles disappear after zoom on Chrome for Android // https://github.com/Leaflet/Leaflet/issues/2078 if (L.Browser.mobileWebkit3d) { tile.style.WebkitBackfaceVisibility = 'hidden'; }		return tile; },

_loadTile: function (tile, tilePoint) { tile._layer = this; tile.onload = this._tileOnLoad; tile.onerror = this._tileOnError;

this._adjustTilePoint(tilePoint); tile.src    = this.getTileUrl(tilePoint);

this.fire('tileloadstart', {			tile: tile,			url: tile.src		}); },

_tileLoaded: function { this._tilesToLoad--;

if (this._animated) { L.DomUtil.addClass(this._tileContainer, 'leaflet-zoom-animated'); }

if (!this._tilesToLoad) { this.fire('load');

if (this._animated) { // clear scaled tiles after all new tiles are loaded (for performance) clearTimeout(this._clearBgBufferTimer); this._clearBgBufferTimer = setTimeout(L.bind(this._clearBgBuffer, this), 500); }		}	},

_tileOnLoad: function { var layer = this._layer;

//Only if we are loading an actual image if (this.src !== L.Util.emptyImageUrl) { L.DomUtil.addClass(this, 'leaflet-tile-loaded');

layer.fire('tileload', {				tile: this,				url: this.src			}); }

layer._tileLoaded; },

_tileOnError: function { var layer = this._layer;

layer.fire('tileerror', {			tile: this,			url: this.src		});

var newUrl = layer.options.errorTileUrl; if (newUrl) { this.src = newUrl; }

layer._tileLoaded; } });

L.tileLayer = function (url, options) { return new L.TileLayer(url, options); };

/* * L.TileLayer.WMS is used for putting WMS tile layers on the map. */

L.TileLayer.WMS = L.TileLayer.extend({

defaultWmsParams: { service: 'WMS', request: 'GetMap', version: '1.1.1', layers: '', styles: '', format: 'image/jpeg', transparent: false },

initialize: function (url, options) { // (String, Object)

this._url = url;

var wmsParams = L.extend({}, this.defaultWmsParams), tileSize = options.tileSize || this.options.tileSize;

if (options.detectRetina && L.Browser.retina) { wmsParams.width = wmsParams.height = tileSize * 2; } else { wmsParams.width = wmsParams.height = tileSize; }

for (var i in options) { // all keys that are not TileLayer options go to WMS params if (!this.options.hasOwnProperty(i) && i !== 'crs') { wmsParams[i] = options[i]; }		}

this.wmsParams = wmsParams;

L.setOptions(this, options); },

onAdd: function (map) {

this._crs = this.options.crs || map.options.crs;

this._wmsVersion = parseFloat(this.wmsParams.version);

var projectionKey = this._wmsVersion >= 1.3 ? 'crs' : 'srs'; this.wmsParams[projectionKey] = this._crs.code;

L.TileLayer.prototype.onAdd.call(this, map); },

getTileUrl: function (tilePoint) { // (Point, Number) -> String

var map = this._map, tileSize = this.options.tileSize,

nwPoint = tilePoint.multiplyBy(tileSize), sePoint = nwPoint.add([tileSize, tileSize]),

nw = this._crs.project(map.unproject(nwPoint, tilePoint.z)), se = this._crs.project(map.unproject(sePoint, tilePoint.z)), bbox = this._wmsVersion >= 1.3 && this._crs === L.CRS.EPSG4326 ? [se.y, nw.x, nw.y, se.x].join(',') : [nw.x, se.y, se.x, nw.y].join(','),

url = L.Util.template(this._url, {s: this._getSubdomain(tilePoint)});

return url + L.Util.getParamString(this.wmsParams, url, true) + '&BBOX=' + bbox; },

setParams: function (params, noRedraw) {

L.extend(this.wmsParams, params);

if (!noRedraw) { this.redraw; }

return this; } });

L.tileLayer.wms = function (url, options) { return new L.TileLayer.WMS(url, options); };

/* * L.TileLayer.Canvas is a class that you can use as a base for creating * dynamically drawn Canvas-based tile layers. */

L.TileLayer.Canvas = L.TileLayer.extend({	options: {		async: false	},

initialize: function (options) { L.setOptions(this, options); },

redraw: function { if (this._map) { this._reset({hard: true}); this._update; }

for (var i in this._tiles) { this._redrawTile(this._tiles[i]); }		return this; },

_redrawTile: function (tile) { this.drawTile(tile, tile._tilePoint, this._map._zoom); },

_createTile: function { var tile = L.DomUtil.create('canvas', 'leaflet-tile'); tile.width = tile.height = this.options.tileSize; tile.onselectstart = tile.onmousemove = L.Util.falseFn; return tile; },

_loadTile: function (tile, tilePoint) { tile._layer = this; tile._tilePoint = tilePoint;

this._redrawTile(tile);

if (!this.options.async) { this.tileDrawn(tile); }	},

drawTile: function (/*tile, tilePoint*/) { // override with rendering code },

tileDrawn: function (tile) { this._tileOnLoad.call(tile); } });

L.tileLayer.canvas = function (options) { return new L.TileLayer.Canvas(options); };

/* * L.ImageOverlay is used to overlay images over the map (to specific geographical bounds). */

L.ImageOverlay = L.Class.extend({	includes: L.Mixin.Events,

options: { opacity: 1 },

initialize: function (url, bounds, options) { // (String, LatLngBounds, Object) this._url = url; this._bounds = L.latLngBounds(bounds);

L.setOptions(this, options); },

onAdd: function (map) { this._map = map;

if (!this._image) { this._initImage; }

map._panes.overlayPane.appendChild(this._image);

map.on('viewreset', this._reset, this);

if (map.options.zoomAnimation && L.Browser.any3d) { map.on('zoomanim', this._animateZoom, this); }

this._reset; },

onRemove: function (map) { map.getPanes.overlayPane.removeChild(this._image);

map.off('viewreset', this._reset, this);

if (map.options.zoomAnimation) { map.off('zoomanim', this._animateZoom, this); }	},

addTo: function (map) { map.addLayer(this); return this; },

setOpacity: function (opacity) { this.options.opacity = opacity; this._updateOpacity; return this; },

// TODO remove bringToFront/bringToBack duplication from TileLayer/Path bringToFront: function { if (this._image) { this._map._panes.overlayPane.appendChild(this._image); }		return this; },

bringToBack: function { var pane = this._map._panes.overlayPane; if (this._image) { pane.insertBefore(this._image, pane.firstChild); }		return this; },

setUrl: function (url) { this._url = url; this._image.src = this._url; },

getAttribution: function { return this.options.attribution; },

_initImage: function { this._image = L.DomUtil.create('img', 'leaflet-image-layer');

if (this._map.options.zoomAnimation && L.Browser.any3d) { L.DomUtil.addClass(this._image, 'leaflet-zoom-animated'); } else { L.DomUtil.addClass(this._image, 'leaflet-zoom-hide'); }

this._updateOpacity;

//TODO createImage util method to remove duplication L.extend(this._image, {			galleryimg: 'no',			onselectstart: L.Util.falseFn,			onmousemove: L.Util.falseFn,			onload: L.bind(this._onImageLoad, this),			src: this._url		}); },

_animateZoom: function (e) { var map = this._map, image = this._image, scale = map.getZoomScale(e.zoom), nw = this._bounds.getNorthWest, se = this._bounds.getSouthEast,

topLeft = map._latLngToNewLayerPoint(nw, e.zoom, e.center), size = map._latLngToNewLayerPoint(se, e.zoom, e.center)._subtract(topLeft), origin = topLeft._add(size._multiplyBy((1 / 2) * (1 - 1 / scale)));

image.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString(origin) + ' scale(' + scale + ') '; },

_reset: function { var image  = this._image, topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest), size = this._map.latLngToLayerPoint(this._bounds.getSouthEast)._subtract(topLeft);

L.DomUtil.setPosition(image, topLeft);

image.style.width = size.x + 'px'; image.style.height = size.y + 'px'; },

_onImageLoad: function { this.fire('load'); },

_updateOpacity: function { L.DomUtil.setOpacity(this._image, this.options.opacity); } });

L.imageOverlay = function (url, bounds, options) { return new L.ImageOverlay(url, bounds, options); };

/* * L.Icon is an image-based icon class that you can use with L.Marker for custom markers. */

L.Icon = L.Class.extend({	options: {		/*		iconUrl: (String) (required)		iconRetinaUrl: (String) (optional, used for retina devices if detected)		iconSize: (Point) (can be set through CSS)		iconAnchor: (Point) (centered by default, can be set in CSS with negative margins)		popupAnchor: (Point) (if not specified, popup opens in the anchor point)		shadowUrl: (String) (no shadow by default)		shadowRetinaUrl: (String) (optional, used for retina devices if detected)		shadowSize: (Point)		shadowAnchor: (Point)		*/		className: ''	},

initialize: function (options) { L.setOptions(this, options); },

createIcon: function (oldIcon) { return this._createIcon('icon', oldIcon); },

createShadow: function (oldIcon) { return this._createIcon('shadow', oldIcon); },

_createIcon: function (name, oldIcon) { var src = this._getIconUrl(name);

if (!src) { if (name === 'icon') { throw new Error('iconUrl not set in Icon options (see the docs).'); }			return null; }

var img; if (!oldIcon || oldIcon.tagName !== 'IMG') { img = this._createImg(src); } else { img = this._createImg(src, oldIcon); }		this._setIconStyles(img, name);

return img; },

_setIconStyles: function (img, name) { var options = this.options, size = L.point(options[name + 'Size']), anchor;

if (name === 'shadow') { anchor = L.point(options.shadowAnchor || options.iconAnchor); } else { anchor = L.point(options.iconAnchor); }

if (!anchor && size) { anchor = size.divideBy(2, true); }

img.className = 'leaflet-marker-' + name + ' ' + options.className;

if (anchor) { img.style.marginLeft = (-anchor.x) + 'px'; img.style.marginTop = (-anchor.y) + 'px'; }

if (size) { img.style.width = size.x + 'px'; img.style.height = size.y + 'px'; }	},

_createImg: function (src, el) { el = el || document.createElement('img'); el.src = src; return el; },

_getIconUrl: function (name) { if (L.Browser.retina && this.options[name + 'RetinaUrl']) { return this.options[name + 'RetinaUrl']; }		return this.options[name + 'Url']; } });

L.icon = function (options) { return new L.Icon(options); };

/* * L.Icon.Default is the blue marker icon used by default in Leaflet. */

L.Icon.Default = L.Icon.extend({

options: { iconSize: [25, 41], iconAnchor: [12, 41], popupAnchor: [1, -34],

shadowSize: [41, 41] },

_getIconUrl: function (name) { var key = name + 'Url';

if (this.options[key]) { return this.options[key]; }

if (L.Browser.retina && name === 'icon') { name += '-2x'; }

var path = L.Icon.Default.imagePath;

if (!path) { throw new Error('Couldn\'t autodetect L.Icon.Default.imagePath, set it manually.'); }

return path + '/marker-' + name + '.png'; } });

L.Icon.Default.imagePath = (function {	var scripts = document.getElementsByTagName('script'),	    leafletRe = /[\/^]leaflet[\-\._]?([\w\-\._]*)\.js\??/;

var i, len, src, matches, path;

for (i = 0, len = scripts.length; i < len; i++) { src = scripts[i].src; matches = src.match(leafletRe);

if (matches) { path = src.split(leafletRe)[0]; return (path ? path + '/' : '') + 'images'; }	} });

/* * L.Marker is used to display clickable/draggable icons on the map. */

L.Marker = L.Class.extend({

includes: L.Mixin.Events,

options: { icon: new L.Icon.Default, title: '', alt: '', clickable: true, draggable: false, keyboard: true, zIndexOffset: 0, opacity: 1, riseOnHover: false, riseOffset: 250 },

initialize: function (latlng, options) { L.setOptions(this, options); this._latlng = L.latLng(latlng); },

onAdd: function (map) { this._map = map;

map.on('viewreset', this.update, this);

this._initIcon; this.update; this.fire('add');

if (map.options.zoomAnimation && map.options.markerZoomAnimation) { map.on('zoomanim', this._animateZoom, this); }	},

addTo: function (map) { map.addLayer(this); return this; },

onRemove: function (map) { if (this.dragging) { this.dragging.disable; }

this._removeIcon; this._removeShadow;

this.fire('remove');

map.off({			'viewreset': this.update,			'zoomanim': this._animateZoom		}, this);

this._map = null; },

getLatLng: function { return this._latlng; },

setLatLng: function (latlng) { this._latlng = L.latLng(latlng);

this.update;

return this.fire('move', { latlng: this._latlng }); },

setZIndexOffset: function (offset) { this.options.zIndexOffset = offset; this.update;

return this; },

setIcon: function (icon) {

this.options.icon = icon;

if (this._map) { this._initIcon; this.update; }

if (this._popup) { this.bindPopup(this._popup); }

return this; },

update: function { if (this._icon) { var pos = this._map.latLngToLayerPoint(this._latlng).round; this._setPos(pos); }

return this; },

_initIcon: function { var options = this.options, map = this._map, animation = (map.options.zoomAnimation && map.options.markerZoomAnimation), classToAdd = animation ? 'leaflet-zoom-animated' : 'leaflet-zoom-hide';

var icon = options.icon.createIcon(this._icon), addIcon = false;

// if we're not reusing the icon, remove the old one and init new one if (icon !== this._icon) { if (this._icon) { this._removeIcon; }			addIcon = true;

if (options.title) { icon.title = options.title; }			if (options.alt) { icon.alt = options.alt; }		}

L.DomUtil.addClass(icon, classToAdd);

if (options.keyboard) { icon.tabIndex = '0'; }

this._icon = icon;

this._initInteraction;

if (options.riseOnHover) { L.DomEvent .on(icon, 'mouseover', this._bringToFront, this) .on(icon, 'mouseout', this._resetZIndex, this); }

var newShadow = options.icon.createShadow(this._shadow), addShadow = false;

if (newShadow !== this._shadow) { this._removeShadow; addShadow = true; }

if (newShadow) { L.DomUtil.addClass(newShadow, classToAdd); }		this._shadow = newShadow;

if (options.opacity < 1) { this._updateOpacity; }

var panes = this._map._panes;

if (addIcon) { panes.markerPane.appendChild(this._icon); }

if (newShadow && addShadow) { panes.shadowPane.appendChild(this._shadow); }	},

_removeIcon: function { if (this.options.riseOnHover) { L.DomEvent .off(this._icon, 'mouseover', this._bringToFront) .off(this._icon, 'mouseout', this._resetZIndex); }

this._map._panes.markerPane.removeChild(this._icon);

this._icon = null; },

_removeShadow: function { if (this._shadow) { this._map._panes.shadowPane.removeChild(this._shadow); }		this._shadow = null; },

_setPos: function (pos) { L.DomUtil.setPosition(this._icon, pos);

if (this._shadow) { L.DomUtil.setPosition(this._shadow, pos); }

this._zIndex = pos.y + this.options.zIndexOffset;

this._resetZIndex; },

_updateZIndex: function (offset) { this._icon.style.zIndex = this._zIndex + offset; },

_animateZoom: function (opt) { var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center).round;

this._setPos(pos); },

_initInteraction: function {

if (!this.options.clickable) { return; }

// TODO refactor into something shared with Map/Path/etc. to DRY it up

var icon = this._icon, events = ['dblclick', 'mousedown', 'mouseover', 'mouseout', 'contextmenu'];

L.DomUtil.addClass(icon, 'leaflet-clickable'); L.DomEvent.on(icon, 'click', this._onMouseClick, this); L.DomEvent.on(icon, 'keypress', this._onKeyPress, this);

for (var i = 0; i < events.length; i++) { L.DomEvent.on(icon, events[i], this._fireMouseEvent, this); }

if (L.Handler.MarkerDrag) { this.dragging = new L.Handler.MarkerDrag(this);

if (this.options.draggable) { this.dragging.enable; }		}	},

_onMouseClick: function (e) { var wasDragged = this.dragging && this.dragging.moved;

if (this.hasEventListeners(e.type) || wasDragged) { L.DomEvent.stopPropagation(e); }

if (wasDragged) { return; }

if ((!this.dragging || !this.dragging._enabled) && this._map.dragging && this._map.dragging.moved) { return; }

this.fire(e.type, {			originalEvent: e,			latlng: this._latlng		}); },

_onKeyPress: function (e) { if (e.keyCode === 13) { this.fire('click', {				originalEvent: e,				latlng: this._latlng			}); }	},

_fireMouseEvent: function (e) {

this.fire(e.type, {			originalEvent: e,			latlng: this._latlng		});

// TODO proper custom event propagation // this line will always be called if marker is in a FeatureGroup if (e.type === 'contextmenu' && this.hasEventListeners(e.type)) { L.DomEvent.preventDefault(e); }		if (e.type !== 'mousedown') { L.DomEvent.stopPropagation(e); } else { L.DomEvent.preventDefault(e); }	},

setOpacity: function (opacity) { this.options.opacity = opacity; if (this._map) { this._updateOpacity; }

return this; },

_updateOpacity: function { L.DomUtil.setOpacity(this._icon, this.options.opacity); if (this._shadow) { L.DomUtil.setOpacity(this._shadow, this.options.opacity); }	},

_bringToFront: function { this._updateZIndex(this.options.riseOffset); },

_resetZIndex: function { this._updateZIndex(0); } });

L.marker = function (latlng, options) { return new L.Marker(latlng, options); };

/* * L.DivIcon is a lightweight HTML-based icon class (as opposed to the image-based L.Icon) * to use with L.Marker. */

L.DivIcon = L.Icon.extend({	options: {		iconSize: [12, 12], // also can be set through CSS		/*		iconAnchor: (Point)		popupAnchor: (Point)		html: (String)		bgPos: (Point)		*/		className: 'leaflet-div-icon',		html: false	},

createIcon: function (oldIcon) { var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'), options = this.options;

if (options.html !== false) { div.innerHTML = options.html; } else { div.innerHTML = ''; }

if (options.bgPos) { div.style.backgroundPosition = (-options.bgPos.x) + 'px ' + (-options.bgPos.y) + 'px'; }

this._setIconStyles(div, 'icon'); return div; },

createShadow: function { return null; } });

L.divIcon = function (options) { return new L.DivIcon(options); };

/* * L.Popup is used for displaying popups on the map. */

L.Map.mergeOptions({	closePopupOnClick: true });

L.Popup = L.Class.extend({	includes: L.Mixin.Events,

options: { minWidth: 50, maxWidth: 300, // maxHeight: null, autoPan: true, closeButton: true, offset: [0, 7], autoPanPadding: [5, 5], // autoPanPaddingTopLeft: null, // autoPanPaddingBottomRight: null, keepInView: false, className: '', zoomAnimation: true },

initialize: function (options, source) { L.setOptions(this, options);

this._source = source; this._animated = L.Browser.any3d && this.options.zoomAnimation; this._isOpen = false; },

onAdd: function (map) { this._map = map;

if (!this._container) { this._initLayout; }

var animFade = map.options.fadeAnimation;

if (animFade) { L.DomUtil.setOpacity(this._container, 0); }		map._panes.popupPane.appendChild(this._container);

map.on(this._getEvents, this);

this.update;

if (animFade) { L.DomUtil.setOpacity(this._container, 1); }

this.fire('open');

map.fire('popupopen', {popup: this});

if (this._source) { this._source.fire('popupopen', {popup: this}); }	},

addTo: function (map) { map.addLayer(this); return this; },

openOn: function (map) { map.openPopup(this); return this; },

onRemove: function (map) { map._panes.popupPane.removeChild(this._container);

L.Util.falseFn(this._container.offsetWidth); // force reflow

map.off(this._getEvents, this);

if (map.options.fadeAnimation) { L.DomUtil.setOpacity(this._container, 0); }

this._map = null;

this.fire('close');

map.fire('popupclose', {popup: this});

if (this._source) { this._source.fire('popupclose', {popup: this}); }	},

getLatLng: function { return this._latlng; },

setLatLng: function (latlng) { this._latlng = L.latLng(latlng); if (this._map) { this._updatePosition; this._adjustPan; }		return this; },

getContent: function { return this._content; },

setContent: function (content) { this._content = content; this.update; return this; },

update: function { if (!this._map) { return; }

this._container.style.visibility = 'hidden';

this._updateContent; this._updateLayout; this._updatePosition;

this._container.style.visibility = '';

this._adjustPan; },

_getEvents: function { var events = { viewreset: this._updatePosition };

if (this._animated) { events.zoomanim = this._zoomAnimation; }		if ('closeOnClick' in this.options ? this.options.closeOnClick : this._map.options.closePopupOnClick) { events.preclick = this._close; }		if (this.options.keepInView) { events.moveend = this._adjustPan; }

return events; },

_close: function { if (this._map) { this._map.closePopup(this); }	},

_initLayout: function { var prefix = 'leaflet-popup', containerClass = prefix + ' ' + this.options.className + ' leaflet-zoom-' + (this._animated ? 'animated' : 'hide'), container = this._container = L.DomUtil.create('div', containerClass), closeButton;

if (this.options.closeButton) { closeButton = this._closeButton = L.DomUtil.create('a', prefix + '-close-button', container); closeButton.href = '#close'; closeButton.innerHTML = '&#215;'; L.DomEvent.disableClickPropagation(closeButton);

L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this); }

var wrapper = this._wrapper = L.DomUtil.create('div', prefix + '-content-wrapper', container); L.DomEvent.disableClickPropagation(wrapper);

this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper);

L.DomEvent.disableScrollPropagation(this._contentNode); L.DomEvent.on(wrapper, 'contextmenu', L.DomEvent.stopPropagation);

this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container); this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer); },

_updateContent: function { if (!this._content) { return; }

if (typeof this._content === 'string') { this._contentNode.innerHTML = this._content; } else { while (this._contentNode.hasChildNodes) { this._contentNode.removeChild(this._contentNode.firstChild); }			this._contentNode.appendChild(this._content); }		this.fire('contentupdate'); },

_updateLayout: function { var container = this._contentNode, style = container.style;

style.width = ''; style.whiteSpace = 'nowrap';

var width = container.offsetWidth; width = Math.min(width, this.options.maxWidth); width = Math.max(width, this.options.minWidth);

style.width = (width + 1) + 'px'; style.whiteSpace = '';

style.height = '';

var height = container.offsetHeight, maxHeight = this.options.maxHeight, scrolledClass = 'leaflet-popup-scrolled';

if (maxHeight && height > maxHeight) { style.height = maxHeight + 'px'; L.DomUtil.addClass(container, scrolledClass); } else { L.DomUtil.removeClass(container, scrolledClass); }

this._containerWidth = this._container.offsetWidth; },

_updatePosition: function { if (!this._map) { return; }

var pos = this._map.latLngToLayerPoint(this._latlng), animated = this._animated, offset = L.point(this.options.offset);

if (animated) { L.DomUtil.setPosition(this._container, pos); }

this._containerBottom = -offset.y - (animated ? 0 : pos.y); this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x + (animated ? 0 : pos.x);

// bottom position the popup in case the height of the popup changes (images loading etc) this._container.style.bottom = this._containerBottom + 'px'; this._container.style.left = this._containerLeft + 'px'; },

_zoomAnimation: function (opt) { var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center);

L.DomUtil.setPosition(this._container, pos); },

_adjustPan: function { if (!this.options.autoPan) { return; }

var map = this._map, containerHeight = this._container.offsetHeight, containerWidth = this._containerWidth,

layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom);

if (this._animated) { layerPos._add(L.DomUtil.getPosition(this._container)); }

var containerPos = map.layerPointToContainerPoint(layerPos), padding = L.point(this.options.autoPanPadding), paddingTL = L.point(this.options.autoPanPaddingTopLeft || padding), paddingBR = L.point(this.options.autoPanPaddingBottomRight || padding), size = map.getSize, dx = 0, dy = 0;

if (containerPos.x + containerWidth + paddingBR.x > size.x) { // right dx = containerPos.x + containerWidth - size.x + paddingBR.x;		} if (containerPos.x - dx - paddingTL.x < 0) { // left dx = containerPos.x - paddingTL.x;		} if (containerPos.y + containerHeight + paddingBR.y > size.y) { // bottom dy = containerPos.y + containerHeight - size.y + paddingBR.y;		} if (containerPos.y - dy - paddingTL.y < 0) { // top dy = containerPos.y - paddingTL.y;		}

if (dx || dy) { map .fire('autopanstart') .panBy([dx, dy]); }	},

_onCloseButtonClick: function (e) { this._close; L.DomEvent.stop(e); } });

L.popup = function (options, source) { return new L.Popup(options, source); };

L.Map.include({	openPopup: function (popup, latlng, options) { // (Popup) or (String || HTMLElement, LatLng[, Object])		this.closePopup;

if (!(popup instanceof L.Popup)) { var content = popup;

popup = new L.Popup(options) .setLatLng(latlng) .setContent(content); }		popup._isOpen = true;

this._popup = popup; return this.addLayer(popup); },

closePopup: function (popup) { if (!popup || popup === this._popup) { popup = this._popup; this._popup = null; }		if (popup) { this.removeLayer(popup); popup._isOpen = false; }		return this; } });

/* * Popup extension to L.Marker, adding popup-related methods. */

L.Marker.include({	openPopup: function {		if (this._popup && this._map && !this._map.hasLayer(this._popup)) {			this._popup.setLatLng(this._latlng);			this._map.openPopup(this._popup);		}

return this; },

closePopup: function { if (this._popup) { this._popup._close; }		return this; },

togglePopup: function { if (this._popup) { if (this._popup._isOpen) { this.closePopup; } else { this.openPopup; }		}		return this; },

bindPopup: function (content, options) { var anchor = L.point(this.options.icon.options.popupAnchor || [0, 0]);

anchor = anchor.add(L.Popup.prototype.options.offset);

if (options && options.offset) { anchor = anchor.add(options.offset); }

options = L.extend({offset: anchor}, options);

if (!this._popupHandlersAdded) { this .on('click', this.togglePopup, this) .on('remove', this.closePopup, this) .on('move', this._movePopup, this); this._popupHandlersAdded = true; }

if (content instanceof L.Popup) { L.setOptions(content, options); this._popup = content; } else { this._popup = new L.Popup(options, this) .setContent(content); }

return this; },

setPopupContent: function (content) { if (this._popup) { this._popup.setContent(content); }		return this; },

unbindPopup: function { if (this._popup) { this._popup = null; this .off('click', this.togglePopup, this) .off('remove', this.closePopup, this) .off('move', this._movePopup, this); this._popupHandlersAdded = false; }		return this; },

getPopup: function { return this._popup; },

_movePopup: function (e) { this._popup.setLatLng(e.latlng); } });

/* * L.LayerGroup is a class to combine several layers into one so that * you can manipulate the group (e.g. add/remove it) as one layer. */

L.LayerGroup = L.Class.extend({	initialize: function (layers) {		this._layers = {};

var i, len;

if (layers) { for (i = 0, len = layers.length; i < len; i++) { this.addLayer(layers[i]); }		}	},

addLayer: function (layer) { var id = this.getLayerId(layer);

this._layers[id] = layer;

if (this._map) { this._map.addLayer(layer); }

return this; },

removeLayer: function (layer) { var id = layer in this._layers ? layer : this.getLayerId(layer);

if (this._map && this._layers[id]) { this._map.removeLayer(this._layers[id]); }

delete this._layers[id];

return this; },

hasLayer: function (layer) { if (!layer) { return false; }

return (layer in this._layers || this.getLayerId(layer) in this._layers); },

clearLayers: function { this.eachLayer(this.removeLayer, this); return this; },

invoke: function (methodName) { var args = Array.prototype.slice.call(arguments, 1), i, layer;

for (i in this._layers) { layer = this._layers[i];

if (layer[methodName]) { layer[methodName].apply(layer, args); }		}

return this; },

onAdd: function (map) { this._map = map; this.eachLayer(map.addLayer, map); },

onRemove: function (map) { this.eachLayer(map.removeLayer, map); this._map = null; },

addTo: function (map) { map.addLayer(this); return this; },

eachLayer: function (method, context) { for (var i in this._layers) { method.call(context, this._layers[i]); }		return this; },

getLayer: function (id) { return this._layers[id]; },

getLayers: function { var layers = [];

for (var i in this._layers) { layers.push(this._layers[i]); }		return layers; },

setZIndex: function (zIndex) { return this.invoke('setZIndex', zIndex); },

getLayerId: function (layer) { return L.stamp(layer); } });

L.layerGroup = function (layers) { return new L.LayerGroup(layers); };

/* * L.FeatureGroup extends L.LayerGroup by introducing mouse events and additional methods * shared between a group of interactive layers (like vectors or markers). */

L.FeatureGroup = L.LayerGroup.extend({	includes: L.Mixin.Events,

statics: { EVENTS: 'click dblclick mouseover mouseout mousemove contextmenu popupopen popupclose' },

addLayer: function (layer) { if (this.hasLayer(layer)) { return this; }

if ('on' in layer) { layer.on(L.FeatureGroup.EVENTS, this._propagateEvent, this); }

L.LayerGroup.prototype.addLayer.call(this, layer);

if (this._popupContent && layer.bindPopup) { layer.bindPopup(this._popupContent, this._popupOptions); }

return this.fire('layeradd', {layer: layer}); },

removeLayer: function (layer) { if (!this.hasLayer(layer)) { return this; }		if (layer in this._layers) { layer = this._layers[layer]; }

layer.off(L.FeatureGroup.EVENTS, this._propagateEvent, this);

L.LayerGroup.prototype.removeLayer.call(this, layer);

if (this._popupContent) { this.invoke('unbindPopup'); }

return this.fire('layerremove', {layer: layer}); },

bindPopup: function (content, options) { this._popupContent = content; this._popupOptions = options; return this.invoke('bindPopup', content, options); },

openPopup: function (latlng) { // open popup on the first layer for (var id in this._layers) { this._layers[id].openPopup(latlng); break; }		return this; },

setStyle: function (style) { return this.invoke('setStyle', style); },

bringToFront: function { return this.invoke('bringToFront'); },

bringToBack: function { return this.invoke('bringToBack'); },

getBounds: function { var bounds = new L.LatLngBounds;

this.eachLayer(function (layer) {			bounds.extend(layer instanceof L.Marker ? layer.getLatLng : layer.getBounds);		});

return bounds; },

_propagateEvent: function (e) { e = L.extend({			layer: e.target,			target: this		}, e); this.fire(e.type, e); } });

L.featureGroup = function (layers) { return new L.FeatureGroup(layers); };

/* * L.Path is a base class for rendering vector paths on a map. Inherited by Polyline, Circle, etc. */

L.Path = L.Class.extend({	includes: [L.Mixin.Events],

statics: { // how much to extend the clip area around the map view // (relative to its size, e.g. 0.5 is half the screen in each direction) // set it so that SVG element doesn't exceed 1280px (vectors flicker on dragend if it is) CLIP_PADDING: (function {			var max = L.Browser.mobile ? 1280 : 2000,			    target = (max / Math.max(window.outerWidth, window.outerHeight) - 1) / 2;			return Math.max(0, Math.min(0.5, target));		}) },

options: { stroke: true, color: '#0033ff', dashArray: null, lineCap: null, lineJoin: null, weight: 5, opacity: 0.5,

fill: false, fillColor: null, //same as color by default fillOpacity: 0.2,

clickable: true },

initialize: function (options) { L.setOptions(this, options); },

onAdd: function (map) { this._map = map;

if (!this._container) { this._initElements; this._initEvents; }

this.projectLatlngs; this._updatePath;

if (this._container) { this._map._pathRoot.appendChild(this._container); }

this.fire('add');

map.on({			'viewreset': this.projectLatlngs,			'moveend': this._updatePath		}, this); },

addTo: function (map) { map.addLayer(this); return this; },

onRemove: function (map) { map._pathRoot.removeChild(this._container);

// Need to fire remove event before we set _map to null as the event hooks might need the object this.fire('remove'); this._map = null;

if (L.Browser.vml) { this._container = null; this._stroke = null; this._fill = null; }

map.off({			'viewreset': this.projectLatlngs,			'moveend': this._updatePath		}, this); },

projectLatlngs: function { // do all projection stuff here },

setStyle: function (style) { L.setOptions(this, style);

if (this._container) { this._updateStyle; }

return this; },

redraw: function { if (this._map) { this.projectLatlngs; this._updatePath; }		return this; } });

L.Map.include({	_updatePathViewport: function {		var p = L.Path.CLIP_PADDING,		    size = this.getSize,		    panePos = L.DomUtil.getPosition(this._mapPane),		    min = panePos.multiplyBy(-1)._subtract(size.multiplyBy(p)._round),		    max = min.add(size.multiplyBy(1 + p * 2)._round);

this._pathViewport = new L.Bounds(min, max); } });

/* * Extends L.Path with SVG-specific rendering code. */

L.Path.SVG_NS = 'http://www.w3.org/2000/svg';

L.Browser.svg = !!(document.createElementNS && document.createElementNS(L.Path.SVG_NS, 'svg').createSVGRect);

L.Path = L.Path.extend({	statics: {		SVG: L.Browser.svg	},

bringToFront: function { var root = this._map._pathRoot, path = this._container;

if (path && root.lastChild !== path) { root.appendChild(path); }		return this; },

bringToBack: function { var root = this._map._pathRoot, path = this._container, first = root.firstChild;

if (path && first !== path) { root.insertBefore(path, first); }		return this; },

getPathString: function { // form path string here },

_createElement: function (name) { return document.createElementNS(L.Path.SVG_NS, name); },

_initElements: function { this._map._initPathRoot; this._initPath; this._initStyle; },

_initPath: function { this._container = this._createElement('g');

this._path = this._createElement('path');

if (this.options.className) { L.DomUtil.addClass(this._path, this.options.className); }

this._container.appendChild(this._path); },

_initStyle: function { if (this.options.stroke) { this._path.setAttribute('stroke-linejoin', 'round'); this._path.setAttribute('stroke-linecap', 'round'); }		if (this.options.fill) { this._path.setAttribute('fill-rule', 'evenodd'); }		if (this.options.pointerEvents) { this._path.setAttribute('pointer-events', this.options.pointerEvents); }		if (!this.options.clickable && !this.options.pointerEvents) { this._path.setAttribute('pointer-events', 'none'); }		this._updateStyle; },

_updateStyle: function { if (this.options.stroke) { this._path.setAttribute('stroke', this.options.color); this._path.setAttribute('stroke-opacity', this.options.opacity); this._path.setAttribute('stroke-width', this.options.weight); if (this.options.dashArray) { this._path.setAttribute('stroke-dasharray', this.options.dashArray); } else { this._path.removeAttribute('stroke-dasharray'); }			if (this.options.lineCap) { this._path.setAttribute('stroke-linecap', this.options.lineCap); }			if (this.options.lineJoin) { this._path.setAttribute('stroke-linejoin', this.options.lineJoin); }		} else { this._path.setAttribute('stroke', 'none'); }		if (this.options.fill) { this._path.setAttribute('fill', this.options.fillColor || this.options.color); this._path.setAttribute('fill-opacity', this.options.fillOpacity); } else { this._path.setAttribute('fill', 'none'); }	},

_updatePath: function { var str = this.getPathString; if (!str) { // fix webkit empty string parsing bug str = 'M0 0'; }		this._path.setAttribute('d', str); },

// TODO remove duplication with L.Map _initEvents: function { if (this.options.clickable) { if (L.Browser.svg || !L.Browser.vml) { L.DomUtil.addClass(this._path, 'leaflet-clickable'); }

L.DomEvent.on(this._container, 'click', this._onMouseClick, this);

var events = ['dblclick', 'mousedown', 'mouseover', 'mouseout', 'mousemove', 'contextmenu']; for (var i = 0; i < events.length; i++) { L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this); }		}	},

_onMouseClick: function (e) { if (this._map.dragging && this._map.dragging.moved) { return; }

this._fireMouseEvent(e); },

_fireMouseEvent: function (e) { if (!this.hasEventListeners(e.type)) { return; }

var map = this._map, containerPoint = map.mouseEventToContainerPoint(e), layerPoint = map.containerPointToLayerPoint(containerPoint), latlng = map.layerPointToLatLng(layerPoint);

this.fire(e.type, {			latlng: latlng,			layerPoint: layerPoint,			containerPoint: containerPoint,			originalEvent: e		});

if (e.type === 'contextmenu') { L.DomEvent.preventDefault(e); }		if (e.type !== 'mousemove') { L.DomEvent.stopPropagation(e); }	} });

L.Map.include({	_initPathRoot: function {		if (!this._pathRoot) {			this._pathRoot = L.Path.prototype._createElement('svg');			this._panes.overlayPane.appendChild(this._pathRoot);

if (this.options.zoomAnimation && L.Browser.any3d) { L.DomUtil.addClass(this._pathRoot, 'leaflet-zoom-animated');

this.on({					'zoomanim': this._animatePathZoom,					'zoomend': this._endPathZoom				}); } else { L.DomUtil.addClass(this._pathRoot, 'leaflet-zoom-hide'); }

this.on('moveend', this._updateSvgViewport); this._updateSvgViewport; }	},

_animatePathZoom: function (e) { var scale = this.getZoomScale(e.zoom), offset = this._getCenterOffset(e.center)._multiplyBy(-scale)._add(this._pathViewport.min);

this._pathRoot.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString(offset) + ' scale(' + scale + ') ';

this._pathZooming = true; },

_endPathZoom: function { this._pathZooming = false; },

_updateSvgViewport: function {

if (this._pathZooming) { // Do not update SVGs while a zoom animation is going on otherwise the animation will break. // When the zoom animation ends we will be updated again anyway // This fixes the case where you do a momentum move and zoom while the move is still ongoing. return; }

this._updatePathViewport;

var vp = this._pathViewport, min = vp.min, max = vp.max, width = max.x - min.x,		   height = max.y - min.y,		    root = this._pathRoot, pane = this._panes.overlayPane;

// Hack to make flicker on drag end on mobile webkit less irritating if (L.Browser.mobileWebkit) { pane.removeChild(root); }

L.DomUtil.setPosition(root, min); root.setAttribute('width', width); root.setAttribute('height', height); root.setAttribute('viewBox', [min.x, min.y, width, height].join(' '));

if (L.Browser.mobileWebkit) { pane.appendChild(root); }	} });

/* * Popup extension to L.Path (polylines, polygons, circles), adding popup-related methods. */

L.Path.include({

bindPopup: function (content, options) {

if (content instanceof L.Popup) { this._popup = content; } else { if (!this._popup || options) { this._popup = new L.Popup(options, this); }			this._popup.setContent(content); }

if (!this._popupHandlersAdded) { this .on('click', this._openPopup, this) .on('remove', this.closePopup, this);

this._popupHandlersAdded = true; }

return this; },

unbindPopup: function { if (this._popup) { this._popup = null; this .off('click', this._openPopup) .off('remove', this.closePopup);

this._popupHandlersAdded = false; }		return this; },

openPopup: function (latlng) {

if (this._popup) { // open the popup from one of the path's points if not specified latlng = latlng || this._latlng || this._latlngs[Math.floor(this._latlngs.length / 2)];

this._openPopup({latlng: latlng}); }

return this; },

closePopup: function { if (this._popup) { this._popup._close; }		return this; },

_openPopup: function (e) { this._popup.setLatLng(e.latlng); this._map.openPopup(this._popup); } });

/* * Vector rendering for IE6-8 through VML. * Thanks to Dmitry Baranovsky and his Raphael library for inspiration! */

L.Browser.vml = !L.Browser.svg && (function {	try {		var div = document.createElement('div');		div.innerHTML = '';

var shape = div.firstChild; shape.style.behavior = 'url(#default#VML)';

return shape && (typeof shape.adj === 'object');

} catch (e) { return false; } });

L.Path = L.Browser.svg || !L.Browser.vml ? L.Path : L.Path.extend({	statics: {		VML: true,		CLIP_PADDING: 0.02	},

_createElement: (function {		try {			document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml');			return function (name) {				return document.createElement('');			};		} catch (e) {			return function (name) {				return document.createElement( '<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">');			};		}	}),

_initPath: function { var container = this._container = this._createElement('shape');

L.DomUtil.addClass(container, 'leaflet-vml-shape' +			(this.options.className ? ' ' + this.options.className : ''));

if (this.options.clickable) { L.DomUtil.addClass(container, 'leaflet-clickable'); }

container.coordsize = '1 1';

this._path = this._createElement('path'); container.appendChild(this._path);

this._map._pathRoot.appendChild(container); },

_initStyle: function { this._updateStyle; },

_updateStyle: function { var stroke = this._stroke, fill = this._fill, options = this.options, container = this._container;

container.stroked = options.stroke; container.filled = options.fill;

if (options.stroke) { if (!stroke) { stroke = this._stroke = this._createElement('stroke'); stroke.endcap = 'round'; container.appendChild(stroke); }			stroke.weight = options.weight + 'px'; stroke.color = options.color; stroke.opacity = options.opacity;

if (options.dashArray) { stroke.dashStyle = L.Util.isArray(options.dashArray) ? options.dashArray.join(' ') : options.dashArray.replace(/( *, *)/g, ' '); } else { stroke.dashStyle = ''; }			if (options.lineCap) { stroke.endcap = options.lineCap.replace('butt', 'flat'); }			if (options.lineJoin) { stroke.joinstyle = options.lineJoin; }

} else if (stroke) { container.removeChild(stroke); this._stroke = null; }

if (options.fill) { if (!fill) { fill = this._fill = this._createElement('fill'); container.appendChild(fill); }			fill.color = options.fillColor || options.color; fill.opacity = options.fillOpacity;

} else if (fill) { container.removeChild(fill); this._fill = null; }	},

_updatePath: function { var style = this._container.style;

style.display = 'none'; this._path.v = this.getPathString + ' '; // the space fixes IE empty path string bug style.display = ''; } });

L.Map.include(L.Browser.svg || !L.Browser.vml ? {} : {	_initPathRoot: function {		if (this._pathRoot) { return; }

var root = this._pathRoot = document.createElement('div'); root.className = 'leaflet-vml-container'; this._panes.overlayPane.appendChild(root);

this.on('moveend', this._updatePathViewport); this._updatePathViewport; } });

/* * Vector rendering for all browsers that support canvas. */

L.Browser.canvas = (function {	return !!document.createElement('canvas').getContext; });

L.Path = (L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? L.Path : L.Path.extend({	statics: {		//CLIP_PADDING: 0.02, // not sure if there's a need to set it to a small value		CANVAS: true,		SVG: false	},

redraw: function { if (this._map) { this.projectLatlngs; this._requestUpdate; }		return this; },

setStyle: function (style) { L.setOptions(this, style);

if (this._map) { this._updateStyle; this._requestUpdate; }		return this; },

onRemove: function (map) { map .off('viewreset', this.projectLatlngs, this) .off('moveend', this._updatePath, this);

if (this.options.clickable) { this._map.off('click', this._onClick, this); this._map.off('mousemove', this._onMouseMove, this); }

this._requestUpdate;

this._map = null; },

_requestUpdate: function { if (this._map && !L.Path._updateRequest) { L.Path._updateRequest = L.Util.requestAnimFrame(this._fireMapMoveEnd, this._map); }	},

_fireMapMoveEnd: function { L.Path._updateRequest = null; this.fire('moveend'); },

_initElements: function { this._map._initPathRoot; this._ctx = this._map._canvasCtx; },

_updateStyle: function { var options = this.options;

if (options.stroke) { this._ctx.lineWidth = options.weight; this._ctx.strokeStyle = options.color; }		if (options.fill) { this._ctx.fillStyle = options.fillColor || options.color; }	},

_drawPath: function { var i, j, len, len2, point, drawMethod;

this._ctx.beginPath;

for (i = 0, len = this._parts.length; i < len; i++) { for (j = 0, len2 = this._parts[i].length; j < len2; j++) { point = this._parts[i][j]; drawMethod = (j === 0 ? 'move' : 'line') + 'To';

this._ctx[drawMethod](point.x, point.y); }			// TODO refactor ugly hack if (this instanceof L.Polygon) { this._ctx.closePath; }		}	},

_checkIfEmpty: function { return !this._parts.length; },

_updatePath: function { if (this._checkIfEmpty) { return; }

var ctx = this._ctx, options = this.options;

this._drawPath; ctx.save; this._updateStyle;

if (options.fill) { ctx.globalAlpha = options.fillOpacity; ctx.fill; }

if (options.stroke) { ctx.globalAlpha = options.opacity; ctx.stroke; }

ctx.restore;

// TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature },

_initEvents: function { if (this.options.clickable) { // TODO dblclick this._map.on('mousemove', this._onMouseMove, this); this._map.on('click', this._onClick, this); }	},

_onClick: function (e) { if (this._containsPoint(e.layerPoint)) { this.fire('click', e); }	},

_onMouseMove: function (e) { if (!this._map || this._map._animatingZoom) { return; }

// TODO don't do on each move if (this._containsPoint(e.layerPoint)) { this._ctx.canvas.style.cursor = 'pointer'; this._mouseInside = true; this.fire('mouseover', e);

} else if (this._mouseInside) { this._ctx.canvas.style.cursor = ''; this._mouseInside = false; this.fire('mouseout', e); }	} });

L.Map.include((L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? {} : {	_initPathRoot: function {		var root = this._pathRoot,		    ctx;

if (!root) { root = this._pathRoot = document.createElement('canvas'); root.style.position = 'absolute'; ctx = this._canvasCtx = root.getContext('2d');

ctx.lineCap = 'round'; ctx.lineJoin = 'round';

this._panes.overlayPane.appendChild(root);

if (this.options.zoomAnimation) { this._pathRoot.className = 'leaflet-zoom-animated'; this.on('zoomanim', this._animatePathZoom); this.on('zoomend', this._endPathZoom); }			this.on('moveend', this._updateCanvasViewport); this._updateCanvasViewport; }	},

_updateCanvasViewport: function { // don't redraw while zooming. See _updateSvgViewport for more details if (this._pathZooming) { return; } this._updatePathViewport;

var vp = this._pathViewport, min = vp.min, size = vp.max.subtract(min), root = this._pathRoot;

//TODO check if this works properly on mobile webkit L.DomUtil.setPosition(root, min); root.width = size.x;		root.height = size.y;		root.getContext('2d').translate(-min.x, -min.y); } });

/* * L.LineUtil contains different utility functions for line segments * and polylines (clipping, simplification, distances, etc.) */

/*jshint bitwise:false */ // allow bitwise operations for this file

L.LineUtil = {

// Simplify polyline with vertex reduction and Douglas-Peucker simplification. // Improves rendering performance dramatically by lessening the number of points to draw.

simplify: function (/*Point[]*/ points, /*Number*/ tolerance) { if (!tolerance || !points.length) { return points.slice; }

var sqTolerance = tolerance * tolerance;

// stage 1: vertex reduction points = this._reducePoints(points, sqTolerance);

// stage 2: Douglas-Peucker simplification points = this._simplifyDP(points, sqTolerance);

return points; },

// distance from a point to a segment between two points pointToSegmentDistance: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) { return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true)); },

closestPointOnSegment: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) { return this._sqClosestPointOnSegment(p, p1, p2); },

// Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm _simplifyDP: function (points, sqTolerance) {

var len = points.length, ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array, markers = new ArrayConstructor(len);

markers[0] = markers[len - 1] = 1;

this._simplifyDPStep(points, markers, sqTolerance, 0, len - 1);

var i,		   newPoints = [];

for (i = 0; i < len; i++) { if (markers[i]) { newPoints.push(points[i]); }		}

return newPoints; },

_simplifyDPStep: function (points, markers, sqTolerance, first, last) {

var maxSqDist = 0, index, i, sqDist;

for (i = first + 1; i <= last - 1; i++) { sqDist = this._sqClosestPointOnSegment(points[i], points[first], points[last], true);

if (sqDist > maxSqDist) { index = i;				maxSqDist = sqDist; }		}

if (maxSqDist > sqTolerance) { markers[index] = 1;

this._simplifyDPStep(points, markers, sqTolerance, first, index); this._simplifyDPStep(points, markers, sqTolerance, index, last); }	},

// reduce points that are too close to each other to a single point _reducePoints: function (points, sqTolerance) { var reducedPoints = [points[0]];

for (var i = 1, prev = 0, len = points.length; i < len; i++) { if (this._sqDist(points[i], points[prev]) > sqTolerance) { reducedPoints.push(points[i]); prev = i;			} }		if (prev < len - 1) { reducedPoints.push(points[len - 1]); }		return reducedPoints; },

// Cohen-Sutherland line clipping algorithm. // Used to avoid rendering parts of a polyline that are not currently visible.

clipSegment: function (a, b, bounds, useLastCode) { var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds), codeB = this._getBitCode(b, bounds),

codeOut, p, newCode;

// save 2nd code to avoid calculating it on the next segment this._lastCode = codeB;

while (true) { // if a,b is inside the clip window (trivial accept) if (!(codeA | codeB)) { return [a, b]; // if a,b is outside the clip window (trivial reject) } else if (codeA & codeB) { return false; // other cases } else { codeOut = codeA || codeB; p = this._getEdgeIntersection(a, b, codeOut, bounds); newCode = this._getBitCode(p, bounds);

if (codeOut === codeA) { a = p;					codeA = newCode; } else { b = p;					codeB = newCode; }			}		}	},

_getEdgeIntersection: function (a, b, code, bounds) { var dx = b.x - a.x,		   dy = b.y - a.y,		    min = bounds.min, max = bounds.max;

if (code & 8) { // top return new L.Point(a.x + dx * (max.y - a.y) / dy, max.y); } else if (code & 4) { // bottom return new L.Point(a.x + dx * (min.y - a.y) / dy, min.y); } else if (code & 2) { // right return new L.Point(max.x, a.y + dy * (max.x - a.x) / dx); } else if (code & 1) { // left return new L.Point(min.x, a.y + dy * (min.x - a.x) / dx); }	},

_getBitCode: function (/*Point*/ p, bounds) { var code = 0;

if (p.x < bounds.min.x) { // left code |= 1; } else if (p.x > bounds.max.x) { // right code |= 2; }		if (p.y < bounds.min.y) { // bottom code |= 4; } else if (p.y > bounds.max.y) { // top code |= 8; }

return code; },

// square distance (to avoid unnecessary Math.sqrt calls) _sqDist: function (p1, p2) { var dx = p2.x - p1.x,		   dy = p2.y - p1.y;		return dx * dx + dy * dy; },

// return closest point on segment or distance to that point _sqClosestPointOnSegment: function (p, p1, p2, sqDist) { var x = p1.x,		   y = p1.y,		    dx = p2.x - x,		    dy = p2.y - y,		    dot = dx * dx + dy * dy, t;

if (dot > 0) { t = ((p.x - x) * dx + (p.y - y) * dy) / dot;

if (t > 1) { x = p2.x;				y = p2.y;			} else if (t > 0) { x += dx * t;				y += dy * t;			} }

dx = p.x - x;		dy = p.y - y;

return sqDist ? dx * dx + dy * dy : new L.Point(x, y); } };

/* * L.Polyline is used to display polylines on a map. */

L.Polyline = L.Path.extend({	initialize: function (latlngs, options) {		L.Path.prototype.initialize.call(this, options);

this._latlngs = this._convertLatLngs(latlngs); },

options: { // how much to simplify the polyline on each zoom level // more = better performance and smoother look, less = more accurate smoothFactor: 1.0, noClip: false },

projectLatlngs: function { this._originalPoints = [];

for (var i = 0, len = this._latlngs.length; i < len; i++) { this._originalPoints[i] = this._map.latLngToLayerPoint(this._latlngs[i]); }	},

getPathString: function { for (var i = 0, len = this._parts.length, str = ''; i < len; i++) { str += this._getPathPartStr(this._parts[i]); }		return str; },

getLatLngs: function { return this._latlngs; },

setLatLngs: function (latlngs) { this._latlngs = this._convertLatLngs(latlngs); return this.redraw; },

addLatLng: function (latlng) { this._latlngs.push(L.latLng(latlng)); return this.redraw; },

spliceLatLngs: function { // (Number index, Number howMany) var removed = [].splice.apply(this._latlngs, arguments); this._convertLatLngs(this._latlngs, true); this.redraw; return removed; },

closestLayerPoint: function (p) { var minDistance = Infinity, parts = this._parts, p1, p2, minPoint = null;

for (var j = 0, jLen = parts.length; j < jLen; j++) { var points = parts[j]; for (var i = 1, len = points.length; i < len; i++) { p1 = points[i - 1]; p2 = points[i]; var sqDist = L.LineUtil._sqClosestPointOnSegment(p, p1, p2, true); if (sqDist < minDistance) { minDistance = sqDist; minPoint = L.LineUtil._sqClosestPointOnSegment(p, p1, p2); }			}		}		if (minPoint) { minPoint.distance = Math.sqrt(minDistance); }		return minPoint; },

getBounds: function { return new L.LatLngBounds(this.getLatLngs); },

_convertLatLngs: function (latlngs, overwrite) { var i, len, target = overwrite ? latlngs : [];

for (i = 0, len = latlngs.length; i < len; i++) { if (L.Util.isArray(latlngs[i]) && typeof latlngs[i][0] !== 'number') { return; }			target[i] = L.latLng(latlngs[i]); }		return target; },

_initEvents: function { L.Path.prototype._initEvents.call(this); },

_getPathPartStr: function (points) { var round = L.Path.VML;

for (var j = 0, len2 = points.length, str = '', p; j < len2; j++) { p = points[j]; if (round) { p._round; }			str += (j ? 'L' : 'M') + p.x + ' ' + p.y;		} return str; },

_clipPoints: function { var points = this._originalPoints, len = points.length, i, k, segment;

if (this.options.noClip) { this._parts = [points]; return; }

this._parts = [];

var parts = this._parts, vp = this._map._pathViewport, lu = L.LineUtil;

for (i = 0, k = 0; i < len - 1; i++) { segment = lu.clipSegment(points[i], points[i + 1], vp, i); if (!segment) { continue; }

parts[k] = parts[k] || []; parts[k].push(segment[0]);

// if segment goes out of screen, or it's the last one, it's the end of the line part if ((segment[1] !== points[i + 1]) || (i === len - 2)) { parts[k].push(segment[1]); k++; }		}	},

// simplify each clipped part of the polyline _simplifyPoints: function { var parts = this._parts, lu = L.LineUtil;

for (var i = 0, len = parts.length; i < len; i++) { parts[i] = lu.simplify(parts[i], this.options.smoothFactor); }	},

_updatePath: function { if (!this._map) { return; }

this._clipPoints; this._simplifyPoints;

L.Path.prototype._updatePath.call(this); } });

L.polyline = function (latlngs, options) { return new L.Polyline(latlngs, options); };

/* * L.PolyUtil contains utility functions for polygons (clipping, etc.). */

/*jshint bitwise:false */ // allow bitwise operations here

L.PolyUtil = {};

/* * Sutherland-Hodgeman polygon clipping algorithm. * Used to avoid rendering parts of a polygon that are not currently visible. */ L.PolyUtil.clipPolygon = function (points, bounds) { var clippedPoints, edges = [1, 4, 2, 8], i, j, k,	   a, b,	    len, edge, p,	    lu = L.LineUtil;

for (i = 0, len = points.length; i < len; i++) { points[i]._code = lu._getBitCode(points[i], bounds); }

// for each edge (left, bottom, right, top) for (k = 0; k < 4; k++) { edge = edges[k]; clippedPoints = [];

for (i = 0, len = points.length, j = len - 1; i < len; j = i++) { a = points[i]; b = points[j];

// if a is inside the clip window if (!(a._code & edge)) { // if b is outside the clip window (a->b goes out of screen) if (b._code & edge) { p = lu._getEdgeIntersection(b, a, edge, bounds); p._code = lu._getBitCode(p, bounds); clippedPoints.push(p); }				clippedPoints.push(a);

// else if b is inside the clip window (a->b enters the screen) } else if (!(b._code & edge)) { p = lu._getEdgeIntersection(b, a, edge, bounds); p._code = lu._getBitCode(p, bounds); clippedPoints.push(p); }		}		points = clippedPoints; }

return points; };

/* * L.Polygon is used to display polygons on a map. */

L.Polygon = L.Polyline.extend({	options: {		fill: true	},

initialize: function (latlngs, options) { L.Polyline.prototype.initialize.call(this, latlngs, options); this._initWithHoles(latlngs); },

_initWithHoles: function (latlngs) { var i, len, hole; if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) { this._latlngs = this._convertLatLngs(latlngs[0]); this._holes = latlngs.slice(1);

for (i = 0, len = this._holes.length; i < len; i++) { hole = this._holes[i] = this._convertLatLngs(this._holes[i]); if (hole[0].equals(hole[hole.length - 1])) { hole.pop; }			}		}

// filter out last point if its equal to the first one latlngs = this._latlngs;

if (latlngs.length >= 2 && latlngs[0].equals(latlngs[latlngs.length - 1])) { latlngs.pop; }	},

projectLatlngs: function { L.Polyline.prototype.projectLatlngs.call(this);

// project polygon holes points // TODO move this logic to Polyline to get rid of duplication this._holePoints = [];

if (!this._holes) { return; }

var i, j, len, len2;

for (i = 0, len = this._holes.length; i < len; i++) { this._holePoints[i] = [];

for (j = 0, len2 = this._holes[i].length; j < len2; j++) { this._holePoints[i][j] = this._map.latLngToLayerPoint(this._holes[i][j]); }		}	},

setLatLngs: function (latlngs) { if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) { this._initWithHoles(latlngs); return this.redraw; } else { return L.Polyline.prototype.setLatLngs.call(this, latlngs); }	},

_clipPoints: function { var points = this._originalPoints, newParts = [];

this._parts = [points].concat(this._holePoints);

if (this.options.noClip) { return; }

for (var i = 0, len = this._parts.length; i < len; i++) { var clipped = L.PolyUtil.clipPolygon(this._parts[i], this._map._pathViewport); if (clipped.length) { newParts.push(clipped); }		}

this._parts = newParts; },

_getPathPartStr: function (points) { var str = L.Polyline.prototype._getPathPartStr.call(this, points); return str + (L.Browser.svg ? 'z' : 'x'); } });

L.polygon = function (latlngs, options) { return new L.Polygon(latlngs, options); };

/* * Contains L.MultiPolyline and L.MultiPolygon layers. */

(function {	function createMulti(Klass) {

return L.FeatureGroup.extend({

initialize: function (latlngs, options) { this._layers = {}; this._options = options; this.setLatLngs(latlngs); },

setLatLngs: function (latlngs) { var i = 0, len = latlngs.length;

this.eachLayer(function (layer) {					if (i < len) {						layer.setLatLngs(latlngs[i++]);					} else {						this.removeLayer(layer);					}				}, this);

while (i < len) { this.addLayer(new Klass(latlngs[i++], this._options)); }

return this; },

getLatLngs: function { var latlngs = [];

this.eachLayer(function (layer) {					latlngs.push(layer.getLatLngs);				});

return latlngs; }		});	}

L.MultiPolyline = createMulti(L.Polyline); L.MultiPolygon = createMulti(L.Polygon);

L.multiPolyline = function (latlngs, options) { return new L.MultiPolyline(latlngs, options); };

L.multiPolygon = function (latlngs, options) { return new L.MultiPolygon(latlngs, options); }; });

/* * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object. */

L.Rectangle = L.Polygon.extend({	initialize: function (latLngBounds, options) {		L.Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options);	},

setBounds: function (latLngBounds) { this.setLatLngs(this._boundsToLatLngs(latLngBounds)); },

_boundsToLatLngs: function (latLngBounds) { latLngBounds = L.latLngBounds(latLngBounds); return [ latLngBounds.getSouthWest, latLngBounds.getNorthWest, latLngBounds.getNorthEast, latLngBounds.getSouthEast ];	} });

L.rectangle = function (latLngBounds, options) { return new L.Rectangle(latLngBounds, options); };

/* * L.Circle is a circle overlay (with a certain radius in meters). */

L.Circle = L.Path.extend({	initialize: function (latlng, radius, options) {		L.Path.prototype.initialize.call(this, options);

this._latlng = L.latLng(latlng); this._mRadius = radius; },

options: { fill: true },

setLatLng: function (latlng) { this._latlng = L.latLng(latlng); return this.redraw; },

setRadius: function (radius) { this._mRadius = radius; return this.redraw; },

projectLatlngs: function { var lngRadius = this._getLngRadius, latlng = this._latlng, pointLeft = this._map.latLngToLayerPoint([latlng.lat, latlng.lng - lngRadius]);

this._point = this._map.latLngToLayerPoint(latlng); this._radius = Math.max(this._point.x - pointLeft.x, 1); },

getBounds: function { var lngRadius = this._getLngRadius, latRadius = (this._mRadius / 40075017) * 360, latlng = this._latlng;

return new L.LatLngBounds(		       [latlng.lat - latRadius, latlng.lng - lngRadius],		        [latlng.lat + latRadius, latlng.lng + lngRadius]); },

getLatLng: function { return this._latlng; },

getPathString: function { var p = this._point, r = this._radius;

if (this._checkIfEmpty) { return ''; }

if (L.Browser.svg) { return 'M' + p.x + ',' + (p.y - r) + 'A' + r + ',' + r + ',0,1,1,' + (p.x - 0.1) + ',' + (p.y - r) + ' z'; } else { p._round; r = Math.round(r); return 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r + ' 0,' + (65535 * 360); }	},

getRadius: function { return this._mRadius; },

// TODO Earth hardcoded, move into projection code!

_getLatRadius: function { return (this._mRadius / 40075017) * 360; },

_getLngRadius: function { return this._getLatRadius / Math.cos(L.LatLng.DEG_TO_RAD * this._latlng.lat); },

_checkIfEmpty: function { if (!this._map) { return false; }		var vp = this._map._pathViewport, r = this._radius, p = this._point;

return p.x - r > vp.max.x || p.y - r > vp.max.y || p.x + r < vp.min.x || p.y + r < vp.min.y;	} });

L.circle = function (latlng, radius, options) { return new L.Circle(latlng, radius, options); };

/* * L.CircleMarker is a circle overlay with a permanent pixel radius. */

L.CircleMarker = L.Circle.extend({	options: {		radius: 10,		weight: 2	},

initialize: function (latlng, options) { L.Circle.prototype.initialize.call(this, latlng, null, options); this._radius = this.options.radius; },

projectLatlngs: function { this._point = this._map.latLngToLayerPoint(this._latlng); },

_updateStyle : function { L.Circle.prototype._updateStyle.call(this); this.setRadius(this.options.radius); },

setLatLng: function (latlng) { L.Circle.prototype.setLatLng.call(this, latlng); if (this._popup && this._popup._isOpen) { this._popup.setLatLng(latlng); }		return this; },

setRadius: function (radius) { this.options.radius = this._radius = radius; return this.redraw; },

getRadius: function { return this._radius; } });

L.circleMarker = function (latlng, options) { return new L.CircleMarker(latlng, options); };

/* * Extends L.Polyline to be able to manually detect clicks on Canvas-rendered polylines. */

L.Polyline.include(!L.Path.CANVAS ? {} : {	_containsPoint: function (p, closed) {		var i, j, k, len, len2, dist, part,		   w = this.options.weight / 2;

if (L.Browser.touch) { w += 10; // polyline click tolerance on touch devices }

for (i = 0, len = this._parts.length; i < len; i++) { part = this._parts[i]; for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { if (!closed && (j === 0)) { continue; }

dist = L.LineUtil.pointToSegmentDistance(p, part[k], part[j]);

if (dist <= w) { return true; }			}		}		return false; } });

/* * Extends L.Polygon to be able to manually detect clicks on Canvas-rendered polygons. */

L.Polygon.include(!L.Path.CANVAS ? {} : {	_containsPoint: function (p) {		var inside = false,		   part, p1, p2,		    i, j, k,		    len, len2;

// TODO optimization: check if within bounds first

if (L.Polyline.prototype._containsPoint.call(this, p, true)) { // click on polygon border return true; }

// ray casting algorithm for detecting if point is in polygon

for (i = 0, len = this._parts.length; i < len; i++) { part = this._parts[i];

for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { p1 = part[j]; p2 = part[k];

if (((p1.y > p.y) !== (p2.y > p.y)) &&						(p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) { inside = !inside; }			}		}

return inside; } });

/* * Extends L.Circle with Canvas-specific code. */

L.Circle.include(!L.Path.CANVAS ? {} : {	_drawPath: function {		var p = this._point;		this._ctx.beginPath;		this._ctx.arc(p.x, p.y, this._radius, 0, Math.PI * 2, false);	},

_containsPoint: function (p) { var center = this._point, w2 = this.options.stroke ? this.options.weight / 2 : 0;

return (p.distanceTo(center) <= this._radius + w2); } });

/* * CircleMarker canvas specific drawing parts. */

L.CircleMarker.include(!L.Path.CANVAS ? {} : {	_updateStyle: function {		L.Path.prototype._updateStyle.call(this);	} });

/* * L.GeoJSON turns any GeoJSON data into a Leaflet layer. */

L.GeoJSON = L.FeatureGroup.extend({

initialize: function (geojson, options) { L.setOptions(this, options);

this._layers = {};

if (geojson) { this.addData(geojson); }	},

addData: function (geojson) { var features = L.Util.isArray(geojson) ? geojson : geojson.features, i, len, feature;

if (features) { for (i = 0, len = features.length; i < len; i++) { // Only add this if geometry or geometries are set and not null feature = features[i]; if (feature.geometries || feature.geometry || feature.features || feature.coordinates) { this.addData(features[i]); }			}			return this; }

var options = this.options;

if (options.filter && !options.filter(geojson)) { return; }

var layer = L.GeoJSON.geometryToLayer(geojson, options.pointToLayer, options.coordsToLatLng, options); layer.feature = L.GeoJSON.asFeature(geojson);

layer.defaultOptions = layer.options; this.resetStyle(layer);

if (options.onEachFeature) { options.onEachFeature(geojson, layer); }

return this.addLayer(layer); },

resetStyle: function (layer) { var style = this.options.style; if (style) { // reset any custom styles L.Util.extend(layer.options, layer.defaultOptions);

this._setLayerStyle(layer, style); }	},

setStyle: function (style) { this.eachLayer(function (layer) {			this._setLayerStyle(layer, style);		}, this); },

_setLayerStyle: function (layer, style) { if (typeof style === 'function') { style = style(layer.feature); }		if (layer.setStyle) { layer.setStyle(style); }	} });

L.extend(L.GeoJSON, {	geometryToLayer: function (geojson, pointToLayer, coordsToLatLng, vectorOptions) {		var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,		   coords = geometry.coordinates,		    layers = [],		    latlng, latlngs, i, len;

coordsToLatLng = coordsToLatLng || this.coordsToLatLng;

switch (geometry.type) { case 'Point': latlng = coordsToLatLng(coords); return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);

case 'MultiPoint': for (i = 0, len = coords.length; i < len; i++) { latlng = coordsToLatLng(coords[i]); layers.push(pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng)); }			return new L.FeatureGroup(layers);

case 'LineString': latlngs = this.coordsToLatLngs(coords, 0, coordsToLatLng); return new L.Polyline(latlngs, vectorOptions);

case 'Polygon': if (coords.length === 2 && !coords[1].length) { throw new Error('Invalid GeoJSON object.'); }			latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng); return new L.Polygon(latlngs, vectorOptions);

case 'MultiLineString': latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng); return new L.MultiPolyline(latlngs, vectorOptions);

case 'MultiPolygon': latlngs = this.coordsToLatLngs(coords, 2, coordsToLatLng); return new L.MultiPolygon(latlngs, vectorOptions);

case 'GeometryCollection': for (i = 0, len = geometry.geometries.length; i < len; i++) {

layers.push(this.geometryToLayer({ geometry: geometry.geometries[i], type: 'Feature', properties: geojson.properties }, pointToLayer, coordsToLatLng, vectorOptions)); }			return new L.FeatureGroup(layers);

default: throw new Error('Invalid GeoJSON object.'); }	},

coordsToLatLng: function (coords) { // (Array[, Boolean]) -> LatLng return new L.LatLng(coords[1], coords[0], coords[2]); },

coordsToLatLngs: function (coords, levelsDeep, coordsToLatLng) { // (Array[, Number, Function]) -> Array var latlng, i, len, latlngs = [];

for (i = 0, len = coords.length; i < len; i++) { latlng = levelsDeep ? this.coordsToLatLngs(coords[i], levelsDeep - 1, coordsToLatLng) : (coordsToLatLng || this.coordsToLatLng)(coords[i]);

latlngs.push(latlng); }

return latlngs; },

latLngToCoords: function (latlng) { var coords = [latlng.lng, latlng.lat];

if (latlng.alt !== undefined) { coords.push(latlng.alt); }		return coords; },

latLngsToCoords: function (latLngs) { var coords = [];

for (var i = 0, len = latLngs.length; i < len; i++) { coords.push(L.GeoJSON.latLngToCoords(latLngs[i])); }

return coords; },

getFeature: function (layer, newGeometry) { return layer.feature ? L.extend({}, layer.feature, {geometry: newGeometry}) : L.GeoJSON.asFeature(newGeometry); },

asFeature: function (geoJSON) { if (geoJSON.type === 'Feature') { return geoJSON; }

return { type: 'Feature', properties: {}, geometry: geoJSON };	} });

var PointToGeoJSON = { toGeoJSON: function { return L.GeoJSON.getFeature(this, {			type: 'Point',			coordinates: L.GeoJSON.latLngToCoords(this.getLatLng)		}); } };

L.Marker.include(PointToGeoJSON); L.Circle.include(PointToGeoJSON); L.CircleMarker.include(PointToGeoJSON);

L.Polyline.include({	toGeoJSON: function {		return L.GeoJSON.getFeature(this, { type: 'LineString', coordinates: L.GeoJSON.latLngsToCoords(this.getLatLngs) });	} });

L.Polygon.include({	toGeoJSON: function {		var coords = [L.GeoJSON.latLngsToCoords(this.getLatLngs)],		    i, len, hole;

coords[0].push(coords[0][0]);

if (this._holes) { for (i = 0, len = this._holes.length; i < len; i++) { hole = L.GeoJSON.latLngsToCoords(this._holes[i]); hole.push(hole[0]); coords.push(hole); }		}

return L.GeoJSON.getFeature(this, {			type: 'Polygon',			coordinates: coords		}); } });

(function {	function multiToGeoJSON(type) {		return function  {			var coords = [];

this.eachLayer(function (layer) {				coords.push(layer.toGeoJSON.geometry.coordinates);			});

return L.GeoJSON.getFeature(this, {				type: type,				coordinates: coords			}); };	}

L.MultiPolyline.include({toGeoJSON: multiToGeoJSON('MultiLineString')}); L.MultiPolygon.include({toGeoJSON: multiToGeoJSON('MultiPolygon')});

L.LayerGroup.include({		toGeoJSON: function {

var geometry = this.feature && this.feature.geometry, jsons = [], json;

if (geometry && geometry.type === 'MultiPoint') { return multiToGeoJSON('MultiPoint').call(this); }

var isGeometryCollection = geometry && geometry.type === 'GeometryCollection';

this.eachLayer(function (layer) {				if (layer.toGeoJSON) {					json = layer.toGeoJSON;					jsons.push(isGeometryCollection ? json.geometry : L.GeoJSON.asFeature(json));				}			});

if (isGeometryCollection) { return L.GeoJSON.getFeature(this, {					geometries: jsons,					type: 'GeometryCollection'				}); }

return { type: 'FeatureCollection', features: jsons };		}	}); });

L.geoJson = function (geojson, options) { return new L.GeoJSON(geojson, options); };

/* * L.DomEvent contains functions for working with DOM events. */

L.DomEvent = { /* inspired by John Resig, Dean Edwards and YUI addEvent implementations */ addListener: function (obj, type, fn, context) { // (HTMLElement, String, Function[, Object])

var id = L.stamp(fn), key = '_leaflet_' + type + id, handler, originalHandler, newType;

if (obj[key]) { return this; }

handler = function (e) { return fn.call(context || obj, e || L.DomEvent._getEvent); };

if (L.Browser.pointer && type.indexOf('touch') === 0) { return this.addPointerListener(obj, type, handler, id); }		if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) { this.addDoubleTapListener(obj, handler, id); }

if ('addEventListener' in obj) {

if (type === 'mousewheel') { obj.addEventListener('DOMMouseScroll', handler, false); obj.addEventListener(type, handler, false);

} else if ((type === 'mouseenter') || (type === 'mouseleave')) {

originalHandler = handler; newType = (type === 'mouseenter' ? 'mouseover' : 'mouseout');

handler = function (e) { if (!L.DomEvent._checkMouse(obj, e)) { return; } return originalHandler(e); };

obj.addEventListener(newType, handler, false);

} else if (type === 'click' && L.Browser.android) { originalHandler = handler; handler = function (e) { return L.DomEvent._filterClick(e, originalHandler); };

obj.addEventListener(type, handler, false); } else { obj.addEventListener(type, handler, false); }

} else if ('attachEvent' in obj) { obj.attachEvent('on' + type, handler); }

obj[key] = handler;

return this; },

removeListener: function (obj, type, fn) { // (HTMLElement, String, Function)

var id = L.stamp(fn), key = '_leaflet_' + type + id, handler = obj[key];

if (!handler) { return this; }

if (L.Browser.pointer && type.indexOf('touch') === 0) { this.removePointerListener(obj, type, id); } else if (L.Browser.touch && (type === 'dblclick') && this.removeDoubleTapListener) { this.removeDoubleTapListener(obj, id);

} else if ('removeEventListener' in obj) {

if (type === 'mousewheel') { obj.removeEventListener('DOMMouseScroll', handler, false); obj.removeEventListener(type, handler, false);

} else if ((type === 'mouseenter') || (type === 'mouseleave')) { obj.removeEventListener((type === 'mouseenter' ? 'mouseover' : 'mouseout'), handler, false); } else { obj.removeEventListener(type, handler, false); }		} else if ('detachEvent' in obj) { obj.detachEvent('on' + type, handler); }

obj[key] = null;

return this; },

stopPropagation: function (e) {

if (e.stopPropagation) { e.stopPropagation; } else { e.cancelBubble = true; }		L.DomEvent._skipped(e);

return this; },

disableScrollPropagation: function (el) { var stop = L.DomEvent.stopPropagation;

return L.DomEvent .on(el, 'mousewheel', stop) .on(el, 'MozMousePixelScroll', stop); },

disableClickPropagation: function (el) { var stop = L.DomEvent.stopPropagation;

for (var i = L.Draggable.START.length - 1; i >= 0; i--) { L.DomEvent.on(el, L.Draggable.START[i], stop); }

return L.DomEvent .on(el, 'click', L.DomEvent._fakeStop) .on(el, 'dblclick', stop); },

preventDefault: function (e) {

if (e.preventDefault) { e.preventDefault; } else { e.returnValue = false; }		return this; },

stop: function (e) { return L.DomEvent .preventDefault(e) .stopPropagation(e); },

getMousePosition: function (e, container) { if (!container) { return new L.Point(e.clientX, e.clientY); }

var rect = container.getBoundingClientRect;

return new L.Point(			e.clientX - rect.left - container.clientLeft,			e.clientY - rect.top - container.clientTop); },

getWheelDelta: function (e) {

var delta = 0;

if (e.wheelDelta) { delta = e.wheelDelta / 120; }		if (e.detail) { delta = -e.detail / 3; }		return delta; },

_skipEvents: {},

_fakeStop: function (e) { // fakes stopPropagation by setting a special event flag, checked/reset with L.DomEvent._skipped(e) L.DomEvent._skipEvents[e.type] = true; },

_skipped: function (e) { var skipped = this._skipEvents[e.type]; // reset when checking, as it's only used in map container and propagates outside of the map this._skipEvents[e.type] = false; return skipped; },

// check if element really left/entered the event target (for mouseenter/mouseleave) _checkMouse: function (el, e) {

var related = e.relatedTarget;

if (!related) { return true; }

try { while (related && (related !== el)) { related = related.parentNode; }		} catch (err) { return false; }		return (related !== el); },

_getEvent: function { // evil magic for IE		/*jshint noarg:false */ var e = window.event; if (!e) { var caller = arguments.callee.caller; while (caller) { e = caller['arguments'][0]; if (e && window.Event === e.constructor) { break; }				caller = caller.caller; }		}		return e;	},

// this is a horrible workaround for a bug in Android where a single touch triggers two click events _filterClick: function (e, handler) { var timeStamp = (e.timeStamp || e.originalEvent.timeStamp), elapsed = L.DomEvent._lastClick && (timeStamp - L.DomEvent._lastClick);

// are they closer together than 1000ms yet more than 100ms? // Android typically triggers them ~300ms apart while multiple listeners // on the same event should be triggered far faster; // or check if click is simulated on the element, and if it is, reject any non-simulated events

if ((elapsed && elapsed > 100 && elapsed < 1000) || (e.target._simulatedClick && !e._simulated)) { L.DomEvent.stop(e); return; }		L.DomEvent._lastClick = timeStamp;

return handler(e); } };

L.DomEvent.on = L.DomEvent.addListener; L.DomEvent.off = L.DomEvent.removeListener;

/* * L.Draggable allows you to add dragging capabilities to any element. Supports mobile devices too. */

L.Draggable = L.Class.extend({	includes: L.Mixin.Events,

statics: { START: L.Browser.touch ? ['touchstart', 'mousedown'] : ['mousedown'], END: { mousedown: 'mouseup', touchstart: 'touchend', pointerdown: 'touchend', MSPointerDown: 'touchend' },		MOVE: { mousedown: 'mousemove', touchstart: 'touchmove', pointerdown: 'touchmove', MSPointerDown: 'touchmove' }	},

initialize: function (element, dragStartTarget) { this._element = element; this._dragStartTarget = dragStartTarget || element; },

enable: function { if (this._enabled) { return; }

for (var i = L.Draggable.START.length - 1; i >= 0; i--) { L.DomEvent.on(this._dragStartTarget, L.Draggable.START[i], this._onDown, this); }

this._enabled = true; },

disable: function { if (!this._enabled) { return; }

for (var i = L.Draggable.START.length - 1; i >= 0; i--) { L.DomEvent.off(this._dragStartTarget, L.Draggable.START[i], this._onDown, this); }

this._enabled = false; this._moved = false; },

_onDown: function (e) { this._moved = false;

if (e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }

L.DomEvent.stopPropagation(e);

if (L.Draggable._disabled) { return; }

L.DomUtil.disableImageDrag; L.DomUtil.disableTextSelection;

if (this._moving) { return; }

var first = e.touches ? e.touches[0] : e;

this._startPoint = new L.Point(first.clientX, first.clientY); this._startPos = this._newPos = L.DomUtil.getPosition(this._element);

L.DomEvent .on(document, L.Draggable.MOVE[e.type], this._onMove, this) .on(document, L.Draggable.END[e.type], this._onUp, this); },

_onMove: function (e) { if (e.touches && e.touches.length > 1) { this._moved = true; return; }

var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e), newPoint = new L.Point(first.clientX, first.clientY), offset = newPoint.subtract(this._startPoint);

if (!offset.x && !offset.y) { return; }

L.DomEvent.preventDefault(e);

if (!this._moved) { this.fire('dragstart');

this._moved = true; this._startPos = L.DomUtil.getPosition(this._element).subtract(offset);

L.DomUtil.addClass(document.body, 'leaflet-dragging'); L.DomUtil.addClass((e.target || e.srcElement), 'leaflet-drag-target'); }

this._newPos = this._startPos.add(offset); this._moving = true;

L.Util.cancelAnimFrame(this._animRequest); this._animRequest = L.Util.requestAnimFrame(this._updatePosition, this, true, this._dragStartTarget); },

_updatePosition: function { this.fire('predrag'); L.DomUtil.setPosition(this._element, this._newPos); this.fire('drag'); },

_onUp: function (e) { L.DomUtil.removeClass(document.body, 'leaflet-dragging'); L.DomUtil.removeClass((e.target || e.srcElement), 'leaflet-drag-target');

for (var i in L.Draggable.MOVE) { L.DomEvent .off(document, L.Draggable.MOVE[i], this._onMove) .off(document, L.Draggable.END[i], this._onUp); }

L.DomUtil.enableImageDrag; L.DomUtil.enableTextSelection;

if (this._moved && this._moving) { // ensure drag is not fired after dragend L.Util.cancelAnimFrame(this._animRequest);

this.fire('dragend', {				distance: this._newPos.distanceTo(this._startPos)			}); }

this._moving = false; } });

/*	L.Handler is a base class for handler classes that are used internally to inject interaction features like dragging to classes like Map and Marker.

L.Handler = L.Class.extend({	initialize: function (map) {		this._map = map;	},

enable: function { if (this._enabled) { return; }

this._enabled = true; this.addHooks; },

disable: function { if (!this._enabled) { return; }

this._enabled = false; this.removeHooks; },

enabled: function { return !!this._enabled; } });

/* * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default. */

L.Map.mergeOptions({	dragging: true,

inertia: !L.Browser.android23, inertiaDeceleration: 3400, // px/s^2 inertiaMaxSpeed: Infinity, // px/s inertiaThreshold: L.Browser.touch ? 32 : 18, // ms	easeLinearity: 0.25,

// TODO refactor, move to CRS worldCopyJump: false });

L.Map.Drag = L.Handler.extend({	addHooks: function {		if (!this._draggable) {			var map = this._map;

this._draggable = new L.Draggable(map._mapPane, map._container);

this._draggable.on({				'dragstart': this._onDragStart,				'drag': this._onDrag,				'dragend': this._onDragEnd			}, this);

if (map.options.worldCopyJump) { this._draggable.on('predrag', this._onPreDrag, this); map.on('viewreset', this._onViewReset, this);

map.whenReady(this._onViewReset, this); }		}		this._draggable.enable; },

removeHooks: function { this._draggable.disable; },

moved: function { return this._draggable && this._draggable._moved; },

_onDragStart: function { var map = this._map;

if (map._panAnim) { map._panAnim.stop; }

map .fire('movestart') .fire('dragstart');

if (map.options.inertia) { this._positions = []; this._times = []; }	},

_onDrag: function { if (this._map.options.inertia) { var time = this._lastTime = +new Date, pos = this._lastPos = this._draggable._newPos;

this._positions.push(pos); this._times.push(time);

if (time - this._times[0] > 200) { this._positions.shift; this._times.shift; }		}

this._map .fire('move') .fire('drag'); },

_onViewReset: function { // TODO fix hardcoded Earth values var pxCenter = this._map.getSize._divideBy(2), pxWorldCenter = this._map.latLngToLayerPoint([0, 0]);

this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x;		this._worldWidth = this._map.project([0, 180]).x;	},

_onPreDrag: function { // TODO refactor to be able to adjust map pane position after zoom var worldWidth = this._worldWidth, halfWidth = Math.round(worldWidth / 2), dx = this._initialWorldOffset, x = this._draggable._newPos.x,		   newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx, newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx, newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2;

this._draggable._newPos.x = newX; },

_onDragEnd: function (e) { var map = this._map, options = map.options, delay = +new Date - this._lastTime,

noInertia = !options.inertia || delay > options.inertiaThreshold || !this._positions[0];

map.fire('dragend', e);

if (noInertia) { map.fire('moveend');

} else {

var direction = this._lastPos.subtract(this._positions[0]), duration = (this._lastTime + delay - this._times[0]) / 1000, ease = options.easeLinearity,

speedVector = direction.multiplyBy(ease / duration), speed = speedVector.distanceTo([0, 0]),

limitedSpeed = Math.min(options.inertiaMaxSpeed, speed), limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),

decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease), offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round;

if (!offset.x || !offset.y) { map.fire('moveend');

} else { offset = map._limitOffset(offset, map.options.maxBounds);

L.Util.requestAnimFrame(function {					map.panBy(offset, { duration: decelerationDuration, easeLinearity: ease, noMoveStart: true });				});			}		}	} });

L.Map.addInitHook('addHandler', 'dragging', L.Map.Drag);

/* * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default. */

L.Map.mergeOptions({	doubleClickZoom: true });

L.Map.DoubleClickZoom = L.Handler.extend({	addHooks: function {		this._map.on('dblclick', this._onDoubleClick, this);	},

removeHooks: function { this._map.off('dblclick', this._onDoubleClick, this); },

_onDoubleClick: function (e) { var map = this._map, zoom = map.getZoom + (e.originalEvent.shiftKey ? -1 : 1);

if (map.options.doubleClickZoom === 'center') { map.setZoom(zoom); } else { map.setZoomAround(e.containerPoint, zoom); }	} });

L.Map.addInitHook('addHandler', 'doubleClickZoom', L.Map.DoubleClickZoom);

/* * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map. */

L.Map.mergeOptions({	scrollWheelZoom: true });

L.Map.ScrollWheelZoom = L.Handler.extend({	addHooks: function {		L.DomEvent.on(this._map._container, 'mousewheel', this._onWheelScroll, this);		L.DomEvent.on(this._map._container, 'MozMousePixelScroll', L.DomEvent.preventDefault);		this._delta = 0;	},

removeHooks: function { L.DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll); L.DomEvent.off(this._map._container, 'MozMousePixelScroll', L.DomEvent.preventDefault); },

_onWheelScroll: function (e) { var delta = L.DomEvent.getWheelDelta(e);

this._delta += delta; this._lastMousePos = this._map.mouseEventToContainerPoint(e);

if (!this._startTime) { this._startTime = +new Date; }

var left = Math.max(40 - (+new Date - this._startTime), 0);

clearTimeout(this._timer); this._timer = setTimeout(L.bind(this._performZoom, this), left);

L.DomEvent.preventDefault(e); L.DomEvent.stopPropagation(e); },

_performZoom: function { var map = this._map, delta = this._delta, zoom = map.getZoom;

delta = delta > 0 ? Math.ceil(delta) : Math.floor(delta); delta = Math.max(Math.min(delta, 4), -4); delta = map._limitZoom(zoom + delta) - zoom;

this._delta = 0; this._startTime = null;

if (!delta) { return; }

if (map.options.scrollWheelZoom === 'center') { map.setZoom(zoom + delta); } else { map.setZoomAround(this._lastMousePos, zoom + delta); }	} });

L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom);

/* * Extends the event handling code with double tap support for mobile browsers. */

L.extend(L.DomEvent, {

_touchstart: L.Browser.msPointer ? 'MSPointerDown' : L.Browser.pointer ? 'pointerdown' : 'touchstart', _touchend: L.Browser.msPointer ? 'MSPointerUp' : L.Browser.pointer ? 'pointerup' : 'touchend',

// inspired by Zepto touch code by Thomas Fuchs addDoubleTapListener: function (obj, handler, id) { var last, doubleTap = false, delay = 250, touch, pre = '_leaflet_', touchstart = this._touchstart, touchend = this._touchend, trackedTouches = [];

function onTouchStart(e) { var count;

if (L.Browser.pointer) { trackedTouches.push(e.pointerId); count = trackedTouches.length; } else { count = e.touches.length; }			if (count > 1) { return; }

var now = Date.now, delta = now - (last || now);

touch = e.touches ? e.touches[0] : e;			doubleTap = (delta > 0 && delta <= delay); last = now; }

function onTouchEnd(e) { if (L.Browser.pointer) { var idx = trackedTouches.indexOf(e.pointerId); if (idx === -1) { return; }				trackedTouches.splice(idx, 1); }

if (doubleTap) { if (L.Browser.pointer) { // work around .type being readonly with MSPointer* events var newTouch = { }, prop;

// jshint forin:false for (var i in touch) { prop = touch[i]; if (typeof prop === 'function') { newTouch[i] = prop.bind(touch); } else { newTouch[i] = prop; }					}					touch = newTouch; }				touch.type = 'dblclick'; handler(touch); last = null; }		}		obj[pre + touchstart + id] = onTouchStart; obj[pre + touchend + id] = onTouchEnd;

// on pointer we need to listen on the document, otherwise a drag starting on the map and moving off screen // will not come through to us, so we will lose track of how many touches are ongoing var endElement = L.Browser.pointer ? document.documentElement : obj;

obj.addEventListener(touchstart, onTouchStart, false); endElement.addEventListener(touchend, onTouchEnd, false);

if (L.Browser.pointer) { endElement.addEventListener(L.DomEvent.POINTER_CANCEL, onTouchEnd, false); }

return this; },

removeDoubleTapListener: function (obj, id) { var pre = '_leaflet_';

obj.removeEventListener(this._touchstart, obj[pre + this._touchstart + id], false); (L.Browser.pointer ? document.documentElement : obj).removeEventListener(		       this._touchend, obj[pre + this._touchend + id], false);

if (L.Browser.pointer) { document.documentElement.removeEventListener(L.DomEvent.POINTER_CANCEL, obj[pre + this._touchend + id],				false); }

return this; } });

/* * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices. */

L.extend(L.DomEvent, {

//static POINTER_DOWN: L.Browser.msPointer ? 'MSPointerDown' : 'pointerdown', POINTER_MOVE: L.Browser.msPointer ? 'MSPointerMove' : 'pointermove', POINTER_UP: L.Browser.msPointer ? 'MSPointerUp' : 'pointerup', POINTER_CANCEL: L.Browser.msPointer ? 'MSPointerCancel' : 'pointercancel',

_pointers: [], _pointerDocumentListener: false,

// Provides a touch events wrapper for (ms)pointer events. // Based on changes by veproza https://github.com/CloudMade/Leaflet/pull/1019 //ref http://www.w3.org/TR/pointerevents/ https://www.w3.org/Bugs/Public/show_bug.cgi?id=22890

addPointerListener: function (obj, type, handler, id) {

switch (type) { case 'touchstart': return this.addPointerListenerStart(obj, type, handler, id); case 'touchend': return this.addPointerListenerEnd(obj, type, handler, id); case 'touchmove': return this.addPointerListenerMove(obj, type, handler, id); default: throw 'Unknown touch event type'; }	},

addPointerListenerStart: function (obj, type, handler, id) { var pre = '_leaflet_', pointers = this._pointers;

var cb = function (e) {

L.DomEvent.preventDefault(e);

var alreadyInArray = false; for (var i = 0; i < pointers.length; i++) { if (pointers[i].pointerId === e.pointerId) { alreadyInArray = true; break; }			}			if (!alreadyInArray) { pointers.push(e); }

e.touches = pointers.slice; e.changedTouches = [e];

handler(e); };

obj[pre + 'touchstart' + id] = cb; obj.addEventListener(this.POINTER_DOWN, cb, false);

// need to also listen for end events to keep the _pointers list accurate // this needs to be on the body and never go away if (!this._pointerDocumentListener) { var internalCb = function (e) { for (var i = 0; i < pointers.length; i++) { if (pointers[i].pointerId === e.pointerId) { pointers.splice(i, 1); break; }				}			};			//We listen on the documentElement as any drags that end by moving the touch off the screen get fired there document.documentElement.addEventListener(this.POINTER_UP, internalCb, false); document.documentElement.addEventListener(this.POINTER_CANCEL, internalCb, false);

this._pointerDocumentListener = true; }

return this; },

addPointerListenerMove: function (obj, type, handler, id) { var pre = '_leaflet_', touches = this._pointers;

function cb(e) {

// don't fire touch moves when mouse isn't down if ((e.pointerType === e.MSPOINTER_TYPE_MOUSE || e.pointerType === 'mouse') && e.buttons === 0) { return; }

for (var i = 0; i < touches.length; i++) { if (touches[i].pointerId === e.pointerId) { touches[i] = e;					break; }			}

e.touches = touches.slice; e.changedTouches = [e];

handler(e); }

obj[pre + 'touchmove' + id] = cb; obj.addEventListener(this.POINTER_MOVE, cb, false);

return this; },

addPointerListenerEnd: function (obj, type, handler, id) { var pre = '_leaflet_', touches = this._pointers;

var cb = function (e) { for (var i = 0; i < touches.length; i++) { if (touches[i].pointerId === e.pointerId) { touches.splice(i, 1); break; }			}

e.touches = touches.slice; e.changedTouches = [e];

handler(e); };

obj[pre + 'touchend' + id] = cb; obj.addEventListener(this.POINTER_UP, cb, false); obj.addEventListener(this.POINTER_CANCEL, cb, false);

return this; },

removePointerListener: function (obj, type, id) { var pre = '_leaflet_', cb = obj[pre + type + id];

switch (type) { case 'touchstart': obj.removeEventListener(this.POINTER_DOWN, cb, false); break; case 'touchmove': obj.removeEventListener(this.POINTER_MOVE, cb, false); break; case 'touchend': obj.removeEventListener(this.POINTER_UP, cb, false); obj.removeEventListener(this.POINTER_CANCEL, cb, false); break; }

return this; } });

/* * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers. */

L.Map.mergeOptions({	touchZoom: L.Browser.touch && !L.Browser.android23,	bounceAtZoomLimits: true });

L.Map.TouchZoom = L.Handler.extend({	addHooks: function {		L.DomEvent.on(this._map._container, 'touchstart', this._onTouchStart, this);	},

removeHooks: function { L.DomEvent.off(this._map._container, 'touchstart', this._onTouchStart, this); },

_onTouchStart: function (e) { var map = this._map;

if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; }

var p1 = map.mouseEventToLayerPoint(e.touches[0]), p2 = map.mouseEventToLayerPoint(e.touches[1]), viewCenter = map._getCenterLayerPoint;

this._startCenter = p1.add(p2)._divideBy(2); this._startDist = p1.distanceTo(p2);

this._moved = false; this._zooming = true;

this._centerOffset = viewCenter.subtract(this._startCenter);

if (map._panAnim) { map._panAnim.stop; }

L.DomEvent .on(document, 'touchmove', this._onTouchMove, this) .on(document, 'touchend', this._onTouchEnd, this);

L.DomEvent.preventDefault(e); },

_onTouchMove: function (e) { var map = this._map;

if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; }

var p1 = map.mouseEventToLayerPoint(e.touches[0]), p2 = map.mouseEventToLayerPoint(e.touches[1]);

this._scale = p1.distanceTo(p2) / this._startDist; this._delta = p1._add(p2)._divideBy(2)._subtract(this._startCenter);

if (this._scale === 1) { return; }

if (!map.options.bounceAtZoomLimits) { if ((map.getZoom === map.getMinZoom && this._scale < 1) ||			   (map.getZoom === map.getMaxZoom && this._scale > 1)) { return; } }

if (!this._moved) { L.DomUtil.addClass(map._mapPane, 'leaflet-touching');

map .fire('movestart') .fire('zoomstart');

this._moved = true; }

L.Util.cancelAnimFrame(this._animRequest); this._animRequest = L.Util.requestAnimFrame(		       this._updateOnMove, this, true, this._map._container);

L.DomEvent.preventDefault(e); },

_updateOnMove: function { var map = this._map, origin = this._getScaleOrigin, center = map.layerPointToLatLng(origin), zoom = map.getScaleZoom(this._scale);

map._animateZoom(center, zoom, this._startCenter, this._scale, this._delta); },

_onTouchEnd: function { if (!this._moved || !this._zooming) { this._zooming = false; return; }

var map = this._map;

this._zooming = false; L.DomUtil.removeClass(map._mapPane, 'leaflet-touching'); L.Util.cancelAnimFrame(this._animRequest);

L.DomEvent .off(document, 'touchmove', this._onTouchMove) .off(document, 'touchend', this._onTouchEnd);

var origin = this._getScaleOrigin, center = map.layerPointToLatLng(origin),

oldZoom = map.getZoom, floatZoomDelta = map.getScaleZoom(this._scale) - oldZoom, roundZoomDelta = (floatZoomDelta > 0 ?		           Math.ceil(floatZoomDelta) : Math.floor(floatZoomDelta)),

zoom = map._limitZoom(oldZoom + roundZoomDelta), scale = map.getZoomScale(zoom) / this._scale;

map._animateZoom(center, zoom, origin, scale); },

_getScaleOrigin: function { var centerOffset = this._centerOffset.subtract(this._delta).divideBy(this._scale); return this._startCenter.add(centerOffset); } });

L.Map.addInitHook('addHandler', 'touchZoom', L.Map.TouchZoom);

/* * L.Map.Tap is used to enable mobile hacks like quick taps and long hold. */

L.Map.mergeOptions({	tap: true,	tapTolerance: 15 });

L.Map.Tap = L.Handler.extend({	addHooks: function {		L.DomEvent.on(this._map._container, 'touchstart', this._onDown, this);	},

removeHooks: function { L.DomEvent.off(this._map._container, 'touchstart', this._onDown, this); },

_onDown: function (e) { if (!e.touches) { return; }

L.DomEvent.preventDefault(e);

this._fireClick = true;

// don't simulate click or track longpress if more than 1 touch if (e.touches.length > 1) { this._fireClick = false; clearTimeout(this._holdTimeout); return; }

var first = e.touches[0], el = first.target;

this._startPos = this._newPos = new L.Point(first.clientX, first.clientY);

// if touching a link, highlight it		if (el.tagName && el.tagName.toLowerCase === 'a') { L.DomUtil.addClass(el, 'leaflet-active'); }

// simulate long hold but setting a timeout this._holdTimeout = setTimeout(L.bind(function { if (this._isTapValid) { this._fireClick = false; this._onUp; this._simulateEvent('contextmenu', first); }		}, this), 1000);

L.DomEvent .on(document, 'touchmove', this._onMove, this) .on(document, 'touchend', this._onUp, this); },

_onUp: function (e) { clearTimeout(this._holdTimeout);

L.DomEvent .off(document, 'touchmove', this._onMove, this) .off(document, 'touchend', this._onUp, this);

if (this._fireClick && e && e.changedTouches) {

var first = e.changedTouches[0], el = first.target;

if (el && el.tagName && el.tagName.toLowerCase === 'a') { L.DomUtil.removeClass(el, 'leaflet-active'); }

// simulate click if the touch didn't move too much if (this._isTapValid) { this._simulateEvent('click', first); }		}	},

_isTapValid: function { return this._newPos.distanceTo(this._startPos) <= this._map.options.tapTolerance; },

_onMove: function (e) { var first = e.touches[0]; this._newPos = new L.Point(first.clientX, first.clientY); },

_simulateEvent: function (type, e) { var simulatedEvent = document.createEvent('MouseEvents');

simulatedEvent._simulated = true; e.target._simulatedClick = true;

simulatedEvent.initMouseEvent(		       type, true, true, window, 1,		        e.screenX, e.screenY,		        e.clientX, e.clientY,		        false, false, false, false, 0, null);

e.target.dispatchEvent(simulatedEvent); } });

if (L.Browser.touch && !L.Browser.pointer) { L.Map.addInitHook('addHandler', 'tap', L.Map.Tap); }

/* * L.Handler.ShiftDragZoom is used to add shift-drag zoom interaction to the map * (zoom to a selected bounding box), enabled by default. */

L.Map.mergeOptions({	boxZoom: true });

L.Map.BoxZoom = L.Handler.extend({	initialize: function (map) {		this._map = map;		this._container = map._container;		this._pane = map._panes.overlayPane;		this._moved = false;	},

addHooks: function { L.DomEvent.on(this._container, 'mousedown', this._onMouseDown, this); },

removeHooks: function { L.DomEvent.off(this._container, 'mousedown', this._onMouseDown); this._moved = false; },

moved: function { return this._moved; },

_onMouseDown: function (e) { this._moved = false;

if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; }

L.DomUtil.disableTextSelection; L.DomUtil.disableImageDrag;

this._startLayerPoint = this._map.mouseEventToLayerPoint(e);

L.DomEvent .on(document, 'mousemove', this._onMouseMove, this) .on(document, 'mouseup', this._onMouseUp, this) .on(document, 'keydown', this._onKeyDown, this); },

_onMouseMove: function (e) { if (!this._moved) { this._box = L.DomUtil.create('div', 'leaflet-zoom-box', this._pane); L.DomUtil.setPosition(this._box, this._startLayerPoint);

//TODO refactor: move cursor to styles this._container.style.cursor = 'crosshair'; this._map.fire('boxzoomstart'); }

var startPoint = this._startLayerPoint, box = this._box,

layerPoint = this._map.mouseEventToLayerPoint(e), offset = layerPoint.subtract(startPoint),

newPos = new L.Point(		       Math.min(layerPoint.x, startPoint.x),		        Math.min(layerPoint.y, startPoint.y));

L.DomUtil.setPosition(box, newPos);

this._moved = true;

// TODO refactor: remove hardcoded 4 pixels box.style.width = (Math.max(0, Math.abs(offset.x) - 4)) + 'px'; box.style.height = (Math.max(0, Math.abs(offset.y) - 4)) + 'px'; },

_finish: function { if (this._moved) { this._pane.removeChild(this._box); this._container.style.cursor = ''; }

L.DomUtil.enableTextSelection; L.DomUtil.enableImageDrag;

L.DomEvent .off(document, 'mousemove', this._onMouseMove) .off(document, 'mouseup', this._onMouseUp) .off(document, 'keydown', this._onKeyDown); },

_onMouseUp: function (e) {

this._finish;

var map = this._map, layerPoint = map.mouseEventToLayerPoint(e);

if (this._startLayerPoint.equals(layerPoint)) { return; }

var bounds = new L.LatLngBounds(		       map.layerPointToLatLng(this._startLayerPoint),		        map.layerPointToLatLng(layerPoint));

map.fitBounds(bounds);

map.fire('boxzoomend', {			boxZoomBounds: bounds		}); },

_onKeyDown: function (e) { if (e.keyCode === 27) { this._finish; }	} });

L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom);

/* * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default. */

L.Map.mergeOptions({	keyboard: true,	keyboardPanOffset: 80,	keyboardZoomOffset: 1 });

L.Map.Keyboard = L.Handler.extend({

keyCodes: { left:   [37], right:  [39], down:   [40], up:     [38], zoomIn: [187, 107, 61, 171], zoomOut: [189, 109, 173] },

initialize: function (map) { this._map = map;

this._setPanOffset(map.options.keyboardPanOffset); this._setZoomOffset(map.options.keyboardZoomOffset); },

addHooks: function { var container = this._map._container;

// make the container focusable by tabbing if (container.tabIndex === -1) { container.tabIndex = '0'; }

L.DomEvent .on(container, 'focus', this._onFocus, this) .on(container, 'blur', this._onBlur, this) .on(container, 'mousedown', this._onMouseDown, this);

this._map .on('focus', this._addHooks, this) .on('blur', this._removeHooks, this); },

removeHooks: function { this._removeHooks;

var container = this._map._container;

L.DomEvent .off(container, 'focus', this._onFocus, this) .off(container, 'blur', this._onBlur, this) .off(container, 'mousedown', this._onMouseDown, this);

this._map .off('focus', this._addHooks, this) .off('blur', this._removeHooks, this); },

_onMouseDown: function { if (this._focused) { return; }

var body = document.body, docEl = document.documentElement, top = body.scrollTop || docEl.scrollTop, left = body.scrollLeft || docEl.scrollLeft;

this._map._container.focus;

window.scrollTo(left, top); },

_onFocus: function { this._focused = true; this._map.fire('focus'); },

_onBlur: function { this._focused = false; this._map.fire('blur'); },

_setPanOffset: function (pan) { var keys = this._panKeys = {}, codes = this.keyCodes, i, len;

for (i = 0, len = codes.left.length; i < len; i++) { keys[codes.left[i]] = [-1 * pan, 0]; }		for (i = 0, len = codes.right.length; i < len; i++) { keys[codes.right[i]] = [pan, 0]; }		for (i = 0, len = codes.down.length; i < len; i++) { keys[codes.down[i]] = [0, pan]; }		for (i = 0, len = codes.up.length; i < len; i++) { keys[codes.up[i]] = [0, -1 * pan]; }	},

_setZoomOffset: function (zoom) { var keys = this._zoomKeys = {}, codes = this.keyCodes, i, len;

for (i = 0, len = codes.zoomIn.length; i < len; i++) { keys[codes.zoomIn[i]] = zoom; }		for (i = 0, len = codes.zoomOut.length; i < len; i++) { keys[codes.zoomOut[i]] = -zoom; }	},

_addHooks: function { L.DomEvent.on(document, 'keydown', this._onKeyDown, this); },

_removeHooks: function { L.DomEvent.off(document, 'keydown', this._onKeyDown, this); },

_onKeyDown: function (e) { var key = e.keyCode, map = this._map;

if (key in this._panKeys) {

if (map._panAnim && map._panAnim._inProgress) { return; }

map.panBy(this._panKeys[key]);

if (map.options.maxBounds) { map.panInsideBounds(map.options.maxBounds); }

} else if (key in this._zoomKeys) { map.setZoom(map.getZoom + this._zoomKeys[key]);

} else { return; }

L.DomEvent.stop(e); } });

L.Map.addInitHook('addHandler', 'keyboard', L.Map.Keyboard);

/* * L.Handler.MarkerDrag is used internally by L.Marker to make the markers draggable. */

L.Handler.MarkerDrag = L.Handler.extend({	initialize: function (marker) {		this._marker = marker;	},

addHooks: function { var icon = this._marker._icon; if (!this._draggable) { this._draggable = new L.Draggable(icon, icon); }

this._draggable .on('dragstart', this._onDragStart, this) .on('drag', this._onDrag, this) .on('dragend', this._onDragEnd, this); this._draggable.enable; L.DomUtil.addClass(this._marker._icon, 'leaflet-marker-draggable'); },

removeHooks: function { this._draggable .off('dragstart', this._onDragStart, this) .off('drag', this._onDrag, this) .off('dragend', this._onDragEnd, this);

this._draggable.disable; L.DomUtil.removeClass(this._marker._icon, 'leaflet-marker-draggable'); },

moved: function { return this._draggable && this._draggable._moved; },

_onDragStart: function { this._marker .closePopup .fire('movestart') .fire('dragstart'); },

_onDrag: function { var marker = this._marker, shadow = marker._shadow, iconPos = L.DomUtil.getPosition(marker._icon), latlng = marker._map.layerPointToLatLng(iconPos);

// update shadow position if (shadow) { L.DomUtil.setPosition(shadow, iconPos); }

marker._latlng = latlng;

marker .fire('move', {latlng: latlng}) .fire('drag'); },

_onDragEnd: function (e) { this._marker .fire('moveend') .fire('dragend', e); } });

/* * L.Control is a base class for implementing map controls. Handles positioning. * All other controls extend from this class. */

L.Control = L.Class.extend({	options: {		position: 'topright'	},

initialize: function (options) { L.setOptions(this, options); },

getPosition: function { return this.options.position; },

setPosition: function (position) { var map = this._map;

if (map) { map.removeControl(this); }

this.options.position = position;

if (map) { map.addControl(this); }

return this; },

getContainer: function { return this._container; },

addTo: function (map) { this._map = map;

var container = this._container = this.onAdd(map), pos = this.getPosition, corner = map._controlCorners[pos];

L.DomUtil.addClass(container, 'leaflet-control');

if (pos.indexOf('bottom') !== -1) { corner.insertBefore(container, corner.firstChild); } else { corner.appendChild(container); }

return this; },

removeFrom: function (map) { var pos = this.getPosition, corner = map._controlCorners[pos];

corner.removeChild(this._container); this._map = null;

if (this.onRemove) { this.onRemove(map); }

return this; },

_refocusOnMap: function { if (this._map) { this._map.getContainer.focus; }	} });

L.control = function (options) { return new L.Control(options); };

// adds control-related methods to L.Map

L.Map.include({	addControl: function (control) {		control.addTo(this);		return this;	},

removeControl: function (control) { control.removeFrom(this); return this; },

_initControlPos: function { var corners = this._controlCorners = {}, l = 'leaflet-', container = this._controlContainer = L.DomUtil.create('div', l + 'control-container', this._container);

function createCorner(vSide, hSide) { var className = l + vSide + ' ' + l + hSide;

corners[vSide + hSide] = L.DomUtil.create('div', className, container); }

createCorner('top', 'left'); createCorner('top', 'right'); createCorner('bottom', 'left'); createCorner('bottom', 'right'); },

_clearControlPos: function { this._container.removeChild(this._controlContainer); } });

/* * L.Control.Zoom is used for the default zoom buttons on the map. */

L.Control.Zoom = L.Control.extend({	options: {		position: 'topleft',		zoomInText: '+',		zoomInTitle: 'Zoom in',		zoomOutText: '-',		zoomOutTitle: 'Zoom out'	},

onAdd: function (map) { var zoomName = 'leaflet-control-zoom', container = L.DomUtil.create('div', zoomName + ' leaflet-bar');

this._map = map;

this._zoomInButton = this._createButton(		        this.options.zoomInText, this.options.zoomInTitle,		        zoomName + '-in',  container, this._zoomIn,  this); this._zoomOutButton = this._createButton(		       this.options.zoomOutText, this.options.zoomOutTitle,		        zoomName + '-out', container, this._zoomOut, this);

this._updateDisabled; map.on('zoomend zoomlevelschange', this._updateDisabled, this);

return container; },

onRemove: function (map) { map.off('zoomend zoomlevelschange', this._updateDisabled, this); },

_zoomIn: function (e) { this._map.zoomIn(e.shiftKey ? 3 : 1); },

_zoomOut: function (e) { this._map.zoomOut(e.shiftKey ? 3 : 1); },

_createButton: function (html, title, className, container, fn, context) { var link = L.DomUtil.create('a', className, container); link.innerHTML = html; link.href = '#'; link.title = title;

var stop = L.DomEvent.stopPropagation;

L.DomEvent .on(link, 'click', stop) .on(link, 'mousedown', stop) .on(link, 'dblclick', stop) .on(link, 'click', L.DomEvent.preventDefault) .on(link, 'click', fn, context) .on(link, 'click', this._refocusOnMap, context);

return link; },

_updateDisabled: function { var map = this._map, className = 'leaflet-disabled';

L.DomUtil.removeClass(this._zoomInButton, className); L.DomUtil.removeClass(this._zoomOutButton, className);

if (map._zoom === map.getMinZoom) { L.DomUtil.addClass(this._zoomOutButton, className); }		if (map._zoom === map.getMaxZoom) { L.DomUtil.addClass(this._zoomInButton, className); }	} });

L.Map.mergeOptions({	zoomControl: true });

L.Map.addInitHook(function {	if (this.options.zoomControl) {		this.zoomControl = new L.Control.Zoom;		this.addControl(this.zoomControl);	} });

L.control.zoom = function (options) { return new L.Control.Zoom(options); };

/* * L.Control.Attribution is used for displaying attribution on the map (added by default). */

L.Control.Attribution = L.Control.extend({	options: {		position: 'bottomright',		prefix: 'Leaflet'	},

initialize: function (options) { L.setOptions(this, options);

this._attributions = {}; },

onAdd: function (map) { this._container = L.DomUtil.create('div', 'leaflet-control-attribution'); L.DomEvent.disableClickPropagation(this._container);

for (var i in map._layers) { if (map._layers[i].getAttribution) { this.addAttribution(map._layers[i].getAttribution); }		}		map .on('layeradd', this._onLayerAdd, this) .on('layerremove', this._onLayerRemove, this);

this._update;

return this._container; },

onRemove: function (map) { map .off('layeradd', this._onLayerAdd) .off('layerremove', this._onLayerRemove);

},

setPrefix: function (prefix) { this.options.prefix = prefix; this._update; return this; },

addAttribution: function (text) { if (!text) { return; }

if (!this._attributions[text]) { this._attributions[text] = 0; }		this._attributions[text]++;

this._update;

return this; },

removeAttribution: function (text) { if (!text) { return; }

if (this._attributions[text]) { this._attributions[text]--; this._update; }

return this; },

_update: function { if (!this._map) { return; }

var attribs = [];

for (var i in this._attributions) { if (this._attributions[i]) { attribs.push(i); }		}

var prefixAndAttribs = [];

if (this.options.prefix) { prefixAndAttribs.push(this.options.prefix); }		if (attribs.length) { prefixAndAttribs.push(attribs.join(', ')); }

this._container.innerHTML = prefixAndAttribs.join(' | '); },

_onLayerAdd: function (e) { if (e.layer.getAttribution) { this.addAttribution(e.layer.getAttribution); }	},

_onLayerRemove: function (e) { if (e.layer.getAttribution) { this.removeAttribution(e.layer.getAttribution); }	} });

L.Map.mergeOptions({	attributionControl: true });

L.Map.addInitHook(function {	if (this.options.attributionControl) {		this.attributionControl = (new L.Control.Attribution).addTo(this);	} });

L.control.attribution = function (options) { return new L.Control.Attribution(options); };

/* * L.Control.Scale is used for displaying metric/imperial scale on the map. */

L.Control.Scale = L.Control.extend({	options: {		position: 'bottomleft',		maxWidth: 100,		metric: true,		imperial: true,		updateWhenIdle: false	},

onAdd: function (map) { this._map = map;

var className = 'leaflet-control-scale', container = L.DomUtil.create('div', className), options = this.options;

this._addScales(options, className, container);

map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this); map.whenReady(this._update, this);

return container; },

onRemove: function (map) { map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this); },

_addScales: function (options, className, container) { if (options.metric) { this._mScale = L.DomUtil.create('div', className + '-line', container); }		if (options.imperial) { this._iScale = L.DomUtil.create('div', className + '-line', container); }	},

_update: function { var bounds = this._map.getBounds, centerLat = bounds.getCenter.lat, halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180), dist = halfWorldMeters * (bounds.getNorthEast.lng - bounds.getSouthWest.lng) / 180,

size = this._map.getSize, options = this.options, maxMeters = 0;

if (size.x > 0) { maxMeters = dist * (options.maxWidth / size.x); }

this._updateScales(options, maxMeters); },

_updateScales: function (options, maxMeters) { if (options.metric && maxMeters) { this._updateMetric(maxMeters); }

if (options.imperial && maxMeters) { this._updateImperial(maxMeters); }	},

_updateMetric: function (maxMeters) { var meters = this._getRoundNum(maxMeters);

this._mScale.style.width = this._getScaleWidth(meters / maxMeters) + 'px'; this._mScale.innerHTML = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km'; },

_updateImperial: function (maxMeters) { var maxFeet = maxMeters * 3.2808399, scale = this._iScale, maxMiles, miles, feet;

if (maxFeet > 5280) { maxMiles = maxFeet / 5280; miles = this._getRoundNum(maxMiles);

scale.style.width = this._getScaleWidth(miles / maxMiles) + 'px'; scale.innerHTML = miles + ' mi';

} else { feet = this._getRoundNum(maxFeet);

scale.style.width = this._getScaleWidth(feet / maxFeet) + 'px'; scale.innerHTML = feet + ' ft'; }	},

_getScaleWidth: function (ratio) { return Math.round(this.options.maxWidth * ratio) - 10; },

_getRoundNum: function (num) { var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1), d = num / pow10;

d = d >= 10 ? 10 : d >= 5 ? 5 : d >= 3 ? 3 : d >= 2 ? 2 : 1;

return pow10 * d;	} });

L.control.scale = function (options) { return new L.Control.Scale(options); };

/* * L.Control.Layers is a control to allow users to switch between different layers on the map. */

L.Control.Layers = L.Control.extend({	options: {		collapsed: true,		position: 'topright',		autoZIndex: true	},

initialize: function (baseLayers, overlays, options) { L.setOptions(this, options);

this._layers = {}; this._lastZIndex = 0; this._handlingClick = false;

for (var i in baseLayers) { this._addLayer(baseLayers[i], i); }

for (i in overlays) { this._addLayer(overlays[i], i, true); }	},

onAdd: function (map) { this._initLayout; this._update;

map .on('layeradd', this._onLayerChange, this) .on('layerremove', this._onLayerChange, this);

return this._container; },

onRemove: function (map) { map .off('layeradd', this._onLayerChange) .off('layerremove', this._onLayerChange); },

addBaseLayer: function (layer, name) { this._addLayer(layer, name); this._update; return this; },

addOverlay: function (layer, name) { this._addLayer(layer, name, true); this._update; return this; },

removeLayer: function (layer) { var id = L.stamp(layer); delete this._layers[id]; this._update; return this; },

_initLayout: function { var className = 'leaflet-control-layers', container = this._container = L.DomUtil.create('div', className);

//Makes this work on IE10 Touch devices by stopping it from firing a mouseout event when the touch is released container.setAttribute('aria-haspopup', true);

if (!L.Browser.touch) { L.DomEvent .disableClickPropagation(container) .disableScrollPropagation(container); } else { L.DomEvent.on(container, 'click', L.DomEvent.stopPropagation); }

var form = this._form = L.DomUtil.create('form', className + '-list');

if (this.options.collapsed) { if (!L.Browser.android) { L.DomEvent .on(container, 'mouseover', this._expand, this) .on(container, 'mouseout', this._collapse, this); }			var link = this._layersLink = L.DomUtil.create('a', className + '-toggle', container); link.href = '#'; link.title = 'Layers';

if (L.Browser.touch) { L.DomEvent .on(link, 'click', L.DomEvent.stop) .on(link, 'click', this._expand, this); }			else { L.DomEvent.on(link, 'focus', this._expand, this); }			//Work around for Firefox android issue https://github.com/Leaflet/Leaflet/issues/2033 L.DomEvent.on(form, 'click', function {				setTimeout(L.bind(this._onInputClick, this), 0);			}, this);

this._map.on('click', this._collapse, this); // TODO keyboard accessibility } else { this._expand; }

this._baseLayersList = L.DomUtil.create('div', className + '-base', form); this._separator = L.DomUtil.create('div', className + '-separator', form); this._overlaysList = L.DomUtil.create('div', className + '-overlays', form);

container.appendChild(form); },

_addLayer: function (layer, name, overlay) { var id = L.stamp(layer);

this._layers[id] = { layer: layer, name: name, overlay: overlay };

if (this.options.autoZIndex && layer.setZIndex) { this._lastZIndex++; layer.setZIndex(this._lastZIndex); }	},

_update: function { if (!this._container) { return; }

this._baseLayersList.innerHTML = ''; this._overlaysList.innerHTML = '';

var baseLayersPresent = false, overlaysPresent = false, i, obj;

for (i in this._layers) { obj = this._layers[i]; this._addItem(obj); overlaysPresent = overlaysPresent || obj.overlay; baseLayersPresent = baseLayersPresent || !obj.overlay; }

this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none'; },

_onLayerChange: function (e) { var obj = this._layers[L.stamp(e.layer)];

if (!obj) { return; }

if (!this._handlingClick) { this._update; }

var type = obj.overlay ? (e.type === 'layeradd' ? 'overlayadd' : 'overlayremove') : (e.type === 'layeradd' ? 'baselayerchange' : null);

if (type) { this._map.fire(type, obj); }	},

// IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see http://bit.ly/PqYLBe) _createRadioElement: function (name, checked) {

var radioHtml = '';

var radioFragment = document.createElement('div'); radioFragment.innerHTML = radioHtml;

return radioFragment.firstChild; },

_addItem: function (obj) { var label = document.createElement('label'), input, checked = this._map.hasLayer(obj.layer);

if (obj.overlay) { input = document.createElement('input'); input.type = 'checkbox'; input.className = 'leaflet-control-layers-selector'; input.defaultChecked = checked; } else { input = this._createRadioElement('leaflet-base-layers', checked); }

input.layerId = L.stamp(obj.layer);

L.DomEvent.on(input, 'click', this._onInputClick, this);

var name = document.createElement('span'); name.innerHTML = ' ' + obj.name;

label.appendChild(input); label.appendChild(name);

var container = obj.overlay ? this._overlaysList : this._baseLayersList; container.appendChild(label);

return label; },

_onInputClick: function { var i, input, obj, inputs = this._form.getElementsByTagName('input'), inputsLen = inputs.length;

this._handlingClick = true;

for (i = 0; i < inputsLen; i++) { input = inputs[i]; obj = this._layers[input.layerId];

if (input.checked && !this._map.hasLayer(obj.layer)) { this._map.addLayer(obj.layer);

} else if (!input.checked && this._map.hasLayer(obj.layer)) { this._map.removeLayer(obj.layer); }		}

this._handlingClick = false;

this._refocusOnMap; },

_expand: function { L.DomUtil.addClass(this._container, 'leaflet-control-layers-expanded'); },

_collapse: function { this._container.className = this._container.className.replace(' leaflet-control-layers-expanded', ''); } });

L.control.layers = function (baseLayers, overlays, options) { return new L.Control.Layers(baseLayers, overlays, options); };

/* * L.PosAnimation is used by Leaflet internally for pan animations. */

L.PosAnimation = L.Class.extend({	includes: L.Mixin.Events,

run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number]) this.stop;

this._el = el; this._inProgress = true; this._newPos = newPos;

this.fire('start');

el.style[L.DomUtil.TRANSITION] = 'all ' + (duration || 0.25) + 's cubic-bezier(0,0,' + (easeLinearity || 0.5) + ',1)';

L.DomEvent.on(el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this); L.DomUtil.setPosition(el, newPos);

// toggle reflow, Chrome flickers for some reason if you don't do this L.Util.falseFn(el.offsetWidth);

// there's no native way to track value updates of transitioned properties, so we imitate this this._stepTimer = setInterval(L.bind(this._onStep, this), 50); },

stop: function { if (!this._inProgress) { return; }

// if we just removed the transition property, the element would jump to its final position, // so we need to make it stay at the current position

L.DomUtil.setPosition(this._el, this._getPos); this._onTransitionEnd; L.Util.falseFn(this._el.offsetWidth); // force reflow in case we are about to start a new animation },

_onStep: function { var stepPos = this._getPos; if (!stepPos) { this._onTransitionEnd; return; }		// jshint camelcase: false // make L.DomUtil.getPosition return intermediate position value during animation this._el._leaflet_pos = stepPos;

this.fire('step'); },

// you can't easily get intermediate values of properties animated with CSS3 Transitions, // we need to parse computed style (in case of transform it returns matrix string)

_transformRe: /([-+]?(?:\d*\.)?\d+)\D*, ([-+]?(?:\d*\.)?\d+)\D*\)/,

_getPos: function { var left, top, matches, el = this._el, style = window.getComputedStyle(el);

if (L.Browser.any3d) { matches = style[L.DomUtil.TRANSFORM].match(this._transformRe); if (!matches) { return; } left = parseFloat(matches[1]); top = parseFloat(matches[2]); } else { left = parseFloat(style.left); top = parseFloat(style.top); }

return new L.Point(left, top, true); },

_onTransitionEnd: function { L.DomEvent.off(this._el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this);

if (!this._inProgress) { return; } this._inProgress = false;

this._el.style[L.DomUtil.TRANSITION] = '';

// jshint camelcase: false // make sure L.DomUtil.getPosition returns the final position value after animation this._el._leaflet_pos = this._newPos;

clearInterval(this._stepTimer);

this.fire('step').fire('end'); }

});

/* * Extends L.Map to handle panning animations. */

L.Map.include({

setView: function (center, zoom, options) {

zoom = zoom === undefined ? this._zoom : this._limitZoom(zoom); center = this._limitCenter(L.latLng(center), zoom, this.options.maxBounds); options = options || {};

if (this._panAnim) { this._panAnim.stop; }

if (this._loaded && !options.reset && options !== true) {

if (options.animate !== undefined) { options.zoom = L.extend({animate: options.animate}, options.zoom); options.pan = L.extend({animate: options.animate}, options.pan); }

// try animating pan or zoom var animated = (this._zoom !== zoom) ? this._tryAnimatedZoom && this._tryAnimatedZoom(center, zoom, options.zoom) : this._tryAnimatedPan(center, options.pan);

if (animated) { // prevent resize handler call, the view will refresh after animation anyway clearTimeout(this._sizeTimer); return this; }		}

// animation didn't start, just reset the map view this._resetView(center, zoom);

return this; },

panBy: function (offset, options) { offset = L.point(offset).round; options = options || {};

if (!offset.x && !offset.y) { return this; }

if (!this._panAnim) { this._panAnim = new L.PosAnimation;

this._panAnim.on({				'step': this._onPanTransitionStep,				'end': this._onPanTransitionEnd			}, this); }

// don't fire movestart if animating inertia if (!options.noMoveStart) { this.fire('movestart'); }

// animate pan unless animate: false specified if (options.animate !== false) { L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim');

var newPos = this._getMapPanePos.subtract(offset); this._panAnim.run(this._mapPane, newPos, options.duration || 0.25, options.easeLinearity); } else { this._rawPanBy(offset); this.fire('move').fire('moveend'); }

return this; },

_onPanTransitionStep: function { this.fire('move'); },

_onPanTransitionEnd: function { L.DomUtil.removeClass(this._mapPane, 'leaflet-pan-anim'); this.fire('moveend'); },

_tryAnimatedPan: function (center, options) { // difference between the new and current centers in pixels var offset = this._getCenterOffset(center)._floor;

// don't animate too far unless animate: true specified in options if ((options && options.animate) !== true && !this.getSize.contains(offset)) { return false; }

this.panBy(offset, options);

return true; } });

/* * L.PosAnimation fallback implementation that powers Leaflet pan animations * in browsers that don't support CSS3 Transitions. */

L.PosAnimation = L.DomUtil.TRANSITION ? L.PosAnimation : L.PosAnimation.extend({

run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number]) this.stop;

this._el = el; this._inProgress = true; this._duration = duration || 0.25; this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2);

this._startPos = L.DomUtil.getPosition(el); this._offset = newPos.subtract(this._startPos); this._startTime = +new Date;

this.fire('start');

this._animate; },

stop: function { if (!this._inProgress) { return; }

this._step; this._complete; },

_animate: function { // animation loop this._animId = L.Util.requestAnimFrame(this._animate, this); this._step; },

_step: function { var elapsed = (+new Date) - this._startTime, duration = this._duration * 1000;

if (elapsed < duration) { this._runFrame(this._easeOut(elapsed / duration)); } else { this._runFrame(1); this._complete; }	},

_runFrame: function (progress) { var pos = this._startPos.add(this._offset.multiplyBy(progress)); L.DomUtil.setPosition(this._el, pos);

this.fire('step'); },

_complete: function { L.Util.cancelAnimFrame(this._animId);

this._inProgress = false; this.fire('end'); },

_easeOut: function (t) { return 1 - Math.pow(1 - t, this._easeOutPower); } });

/* * Extends L.Map to handle zoom animations. */

L.Map.mergeOptions({	zoomAnimation: true,	zoomAnimationThreshold: 4 });

if (L.DomUtil.TRANSITION) {

L.Map.addInitHook(function {		// don't animate on browsers without hardware-accelerated transitions or old Android/Opera		this._zoomAnimated = this.options.zoomAnimation && L.DomUtil.TRANSITION &&				L.Browser.any3d && !L.Browser.android23 && !L.Browser.mobileOpera;

// zoom transitions run with the same duration for all layers, so if one of transitionend events // happens after starting zoom animation (propagating to the map pane), we know that it ended globally if (this._zoomAnimated) { L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this); }	}); }

L.Map.include(!L.DomUtil.TRANSITION ? {} : {

_catchTransitionEnd: function (e) { if (this._animatingZoom && e.propertyName.indexOf('transform') >= 0) { this._onZoomTransitionEnd; }	},

_nothingToAnimate: function { return !this._container.getElementsByClassName('leaflet-zoom-animated').length; },

_tryAnimatedZoom: function (center, zoom, options) {

if (this._animatingZoom) { return true; }

options = options || {};

// don't animate if disabled, not supported or zoom difference is too large if (!this._zoomAnimated || options.animate === false || this._nothingToAnimate ||		       Math.abs(zoom - this._zoom) > this.options.zoomAnimationThreshold) { return false; }

// offset is the pixel coords of the zoom origin relative to the current center var scale = this.getZoomScale(zoom), offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale), origin = this._getCenterLayerPoint._add(offset);

// don't animate if the zoom origin isn't within one screen from the current center, unless forced if (options.animate !== true && !this.getSize.contains(offset)) { return false; }

this .fire('movestart') .fire('zoomstart');

this._animateZoom(center, zoom, origin, scale, null, true);

return true; },

_animateZoom: function (center, zoom, origin, scale, delta, backwards) {

this._animatingZoom = true;

// put transform transition on all layers with leaflet-zoom-animated class L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');

// remember what center/zoom to set after animation this._animateToCenter = center; this._animateToZoom = zoom;

// disable any dragging during animation if (L.Draggable) { L.Draggable._disabled = true; }

this.fire('zoomanim', {			center: center,			zoom: zoom,			origin: origin,			scale: scale,			delta: delta,			backwards: backwards		}); },

_onZoomTransitionEnd: function {

this._animatingZoom = false;

L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim');

this._resetView(this._animateToCenter, this._animateToZoom, true, true);

if (L.Draggable) { L.Draggable._disabled = false; }	} });

/*	Zoom animation logic for L.TileLayer.

L.TileLayer.include({	_animateZoom: function (e) {		if (!this._animating) {			this._animating = true;			this._prepareBgBuffer;		}

var bg = this._bgBuffer, transform = L.DomUtil.TRANSFORM, initialTransform = e.delta ? L.DomUtil.getTranslateString(e.delta) : bg.style[transform], scaleStr = L.DomUtil.getScaleString(e.scale, e.origin);

bg.style[transform] = e.backwards ? scaleStr + ' ' + initialTransform : initialTransform + ' ' + scaleStr; },

_endZoomAnim: function { var front = this._tileContainer, bg = this._bgBuffer;

front.style.visibility = ''; front.parentNode.appendChild(front); // Bring to fore

// force reflow L.Util.falseFn(bg.offsetWidth);

this._animating = false; },

_clearBgBuffer: function { var map = this._map;

if (map && !map._animatingZoom && !map.touchZoom._zooming) { this._bgBuffer.innerHTML = ''; this._bgBuffer.style[L.DomUtil.TRANSFORM] = ''; }	},

_prepareBgBuffer: function {

var front = this._tileContainer, bg = this._bgBuffer;

// if foreground layer doesn't have many tiles but bg layer does, // keep the existing bg layer and just zoom it some more

var bgLoaded = this._getLoadedTilesPercentage(bg), frontLoaded = this._getLoadedTilesPercentage(front);

if (bg && bgLoaded > 0.5 && frontLoaded < 0.5) {

front.style.visibility = 'hidden'; this._stopLoadingImages(front); return; }

// prepare the buffer to become the front tile pane bg.style.visibility = 'hidden'; bg.style[L.DomUtil.TRANSFORM] = '';

// switch out the current layer to be the new bg layer (and vice-versa) this._tileContainer = bg; bg = this._bgBuffer = front;

this._stopLoadingImages(bg);

//prevent bg buffer from clearing right after zoom clearTimeout(this._clearBgBufferTimer); },

_getLoadedTilesPercentage: function (container) { var tiles = container.getElementsByTagName('img'), i, len, count = 0;

for (i = 0, len = tiles.length; i < len; i++) { if (tiles[i].complete) { count++; }		}		return count / len; },

// stops loading all tiles in the background layer _stopLoadingImages: function (container) { var tiles = Array.prototype.slice.call(container.getElementsByTagName('img')), i, len, tile;

for (i = 0, len = tiles.length; i < len; i++) { tile = tiles[i];

if (!tile.complete) { tile.onload = L.Util.falseFn; tile.onerror = L.Util.falseFn; tile.src = L.Util.emptyImageUrl;

tile.parentNode.removeChild(tile); }		}	} });

/* * Provides L.Map with convenient shortcuts for using browser geolocation features. */

L.Map.include({	_defaultLocateOptions: {		watch: false,		setView: false,		maxZoom: Infinity,		timeout: 10000,		maximumAge: 0,		enableHighAccuracy: false	},

locate: function (/*Object*/ options) {

options = this._locateOptions = L.extend(this._defaultLocateOptions, options);

if (!navigator.geolocation) { this._handleGeolocationError({				code: 0,				message: 'Geolocation not supported.'			}); return this; }

var onResponse = L.bind(this._handleGeolocationResponse, this), onError = L.bind(this._handleGeolocationError, this);

if (options.watch) { this._locationWatchId = navigator.geolocation.watchPosition(onResponse, onError, options); } else { navigator.geolocation.getCurrentPosition(onResponse, onError, options); }		return this; },

stopLocate: function { if (navigator.geolocation) { navigator.geolocation.clearWatch(this._locationWatchId); }		if (this._locateOptions) { this._locateOptions.setView = false; }		return this; },

_handleGeolocationError: function (error) { var c = error.code, message = error.message || (c === 1 ? 'permission denied' :		           (c === 2 ? 'position unavailable' : 'timeout'));

if (this._locateOptions.setView && !this._loaded) { this.fitWorld; }

this.fire('locationerror', {			code: c,			message: 'Geolocation error: ' + message + '.'		}); },

_handleGeolocationResponse: function (pos) { var lat = pos.coords.latitude, lng = pos.coords.longitude, latlng = new L.LatLng(lat, lng),

latAccuracy = 180 * pos.coords.accuracy / 40075017, lngAccuracy = latAccuracy / Math.cos(L.LatLng.DEG_TO_RAD * lat),

bounds = L.latLngBounds(		           [lat - latAccuracy, lng - lngAccuracy],		            [lat + latAccuracy, lng + lngAccuracy]),

options = this._locateOptions;

if (options.setView) { var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom); this.setView(latlng, zoom); }

var data = { latlng: latlng, bounds: bounds, timestamp: pos.timestamp };

for (var i in pos.coords) { if (typeof pos.coords[i] === 'number') { data[i] = pos.coords[i]; }		}

this.fire('locationfound', data); } });

}(window, document));