';
-
-/* ****************************************************************************************************************** */
-
-/**
- * CONFIG OPTIONS
- * @namespace config_options
- */
-
-/**
- * Controls how often the map should refresh, in seconds, default 30.
- * @type {number}
- * @memberof config_options
- */
-window.REFRESH = 30;
-
-/**
- * Controls the extra refresh delay per zoom level, in seconds, default 5.
- * @type {number}
- * @memberof config_options
- */
-window.ZOOM_LEVEL_ADJ = 5;
-
-/**
- * Wait this long before refreshing the view after the map has been moved, in seconds, default 2.5
- * @type {number}
- * @memberof config_options
- */
-window.ON_MOVE_REFRESH = 2.5;
-
-/**
- * Limit on refresh time since previous refresh, limiting repeated move refresh rate, in seconds, default 10
- * @type {number}
- * @memberof config_options
- */
-window.MINIMUM_OVERRIDE_REFRESH = 10;
-
-/**
- * Controls how long to wait between refreshing the global score, in seconds, default 15*60 (15 mins)
- * @type {number}
- * @memberof config_options
- */
-window.REFRESH_GAME_SCORE = 15 * 60;
-
-/**
- * The maximum idle time in seconds before the map stops updating, in seconds, default 15*60 (15 mins)
- * @type {number}
- * @memberof config_options
- */
-window.MAX_IDLE_TIME = 15 * 60;
-
-/**
- * How much space to leave for scrollbars, in pixels, default 20.
- * @type {number}
- * @memberof config_options
- */
-window.HIDDEN_SCROLLBAR_ASSUMED_WIDTH = 20;
-
-/**
- * How wide should the sidebar be, in pixels, default 300.
- * @type {number}
- * @memberof config_options
- */
-window.SIDEBAR_WIDTH = 300;
-
-/**
- * Controls requesting chat data based on the pixel distance from the line currently in view
- * and the top of history, in pixels, default 200
- * @type {number}
- * @memberof config_options
- */
-window.CHAT_REQUEST_SCROLL_TOP = 200;
-
-/**
- * Controls height of chat when chat is collapsed, in pixels, default 60
- * @type {number}
- * @memberof config_options
- */
-window.CHAT_SHRINKED = 60;
-
-/**
- * What colour should the selected portal be, string(css hex code), default ‘#f0f’ (hot pink)
- * @type {string}
- * @memberof config_options
- */
-window.COLOR_SELECTED_PORTAL = '#f0f';
-
-/**
- * Defines the color values associated with different teams, used in various elements such as portals, player names, etc.
- * The colors are represented in a CSS hex code format.
- * The array format represents: [none, res, enl, mac].
- * @type {string[]}
- * @memberof config_options
- */
-window.COLORS = ['#FF6600', '#0088FF', '#03DC03', '#FF0028'];
-
-/**
- * Colour values for levels, consistent with Ingress, with index 0 being white for neutral portals.
- * @type {string[]}
- * @memberof config_options
- */
-window.COLORS_LVL = ['#000', '#FECE5A', '#FFA630', '#FF7315', '#E40000', '#FD2992', '#EB26CD', '#C124E0', '#9627F4'];
-
-/**
- * Colour values for displaying mods, consistent with Ingress. Very Rare also used for AXA shields and Ultra Links.
- * @type {object}
- * @property {string} VERY_RARE=#b08cff
- * @property {string} RARE=#73a8ff
- * @property {string} COMMON=#8cffbf
- * @memberof config_options
- */
-window.COLORS_MOD = { VERY_RARE: '#b08cff', RARE: '#73a8ff', COMMON: '#8cffbf' };
-
-/**
- * What colour should the hacking range circle be (the small circle that appears around a selected portal,
- * marking a ~40 metre radius), string(css colour value), default ‘orange’
- * @type {string}
- * @memberof config_options
- */
-window.ACCESS_INDICATOR_COLOR = 'orange';
-
-/**
- * What colour should the linkable range circle be, string(css colour value), default ‘red’
- * @type {string}
- * @memberof config_options
- */
-window.RANGE_INDICATOR_COLOR = 'red';
-
-/**
- * Min zoom for intel map - should match that used by stock intel, default 3
- * @type {number}
- * @memberof config_options
- */
-window.MIN_ZOOM = 3;
-
-/**
- * Used when zoom level is not specified explicitly (must contain all the portals)
- * @type {number}
- * @memberof config_options
- */
-window.DEFAULT_ZOOM = 15;
-
-/**
- * URL of the default image for the portal
- * @type {string}
- * @memberof config_options
- */
-window.DEFAULT_PORTAL_IMG = '//commondatastorage.googleapis.com/ingress.com/img/default-portal-image.png';
-
-/**
- * URL to call the Nominatim geocoder service, string.
- * @type {string}
- * @memberof config_options
- */
-window.NOMINATIM = '//nominatim.openstreetmap.org/search?format=json&polygon_geojson=1&q=';
-
-/* ****************************************************************************************************************** */
-
-/**
- * INGRESS CONSTANTS
- * http://decodeingress.me/2012/11/18/ingress-portal-levels-and-link-range/
- * @namespace ingress_constants
- */
-
-/**
- * Resonator energy per level, 1-based array, XM
- * @type {number[]}
- * @const
- * @memberof ingress_constants
- */
-window.RESO_NRG = [0, 1000, 1500, 2000, 2500, 3000, 4000, 5000, 6000];
-
-/**
- * Maximum radius around a portal from which the portal is hackable, metres.
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.HACK_RANGE = 40;
-
-/**
- * The maximum radius around the portal from which the Machine can link
- * @type {number[]}
- * @const
- * @memberof ingress_constants
- */
-window.LINK_RANGE_MAC = [0, 200, 250, 350, 400, 500, 600, 700, 1000, 1000]; // in meters
-
-/**
- * Resonator octant cardinal directions
- * @type {string[]}
- * @const
- * @memberof ingress_constants
- */
-window.OCTANTS = ['E', 'NE', 'N', 'NW', 'W', 'SW', 'S', 'SE'];
-
-/**
- * Resonator octant arrows
- * @type {string[]}
- * @const
- * @memberof ingress_constants
- */
-window.OCTANTS_ARROW = ['→', '↗', '↑', '↖', '←', '↙', '↓', '↘'];
-
-/**
- * AP for destroying portal
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.DESTROY_RESONATOR = 75;
-
-/**
- * AP for destroying link
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.DESTROY_LINK = 187;
-
-/**
- * AP for destroying field
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.DESTROY_FIELD = 750;
-
-/**
- * AP for capturing a portal
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.CAPTURE_PORTAL = 500;
-
-/**
- * AP for deploying a resonator
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.DEPLOY_RESONATOR = 125;
-
-/**
- * AP for deploying all resonators on portal
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.COMPLETION_BONUS = 250;
-
-/**
- * AP for upgrading another's resonator
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.UPGRADE_ANOTHERS_RESONATOR = 65;
-
-/**
- * Maximum portal level.
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.MAX_PORTAL_LEVEL = 8;
-
-/**
- * How many resonators of a given level can one deploy; 1-based array where the index is the resonator level.
- * @type {number[]}
- * @const
- * @memberof ingress_constants
- */
-window.MAX_RESO_PER_PLAYER = [0, 8, 4, 4, 4, 2, 2, 1, 1];
-
-/**
- * The base value of how long you need to wait between portal hacks, in seconds.
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.BASE_HACK_COOLDOWN = 300; // 5 mins - 300 seconds
-
-/**
- * Base value, how many times at most you can hack the portal.
- * @type {number}
- * @const
- * @memberof ingress_constants
- */
-window.BASE_HACK_COUNT = 4;
-
-/* ****************************************************************************************************************** */
-
-/**
- * OTHER MORE-OR-LESS CONSTANTS
- * @namespace other_constants
- */
-
-/**
- * @type {number}
- * @const
- * @memberof other_constants
- */
-window.TEAM_NONE = 0;
-
-/**
- * @type {number}
- * @const
- * @memberof other_constants
- */
-window.TEAM_RES = 1;
-
-/**
- * @type {number}
- * @const
- * @memberof other_constants
- */
-window.TEAM_ENL = 2;
-
-/**
- * @type {number}
- * @const
- * @memberof other_constants
- */
-window.TEAM_MAC = 3;
-
-/**
- * @type {string[]}
- * @const
- * @memberof other_constants
- */
-window.TEAM_TO_CSS = ['none', 'res', 'enl', 'mac'];
-
-/**
- * @type {string[]}
- * @const
- * @memberof other_constants
- */
-window.TEAM_NAMES = ['Neutral', 'Resistance', 'Enlightened', '__MACHINA__'];
-
-/**
- * @type {string[]}
- * @const
- * @memberof other_constants
- */
-window.TEAM_CODES = ['N', 'R', 'E', 'M'];
-
-/**
- * @type {string[]}
- * @const
- * @memberof other_constants
- */
-window.TEAM_CODENAMES = ['NEUTRAL', 'RESISTANCE', 'ENLIGHTENED', 'MACHINA'];
-window.TEAM_SHORTNAMES = ['NEU', 'RES', 'ENL', 'MAC'];
-
-/**
- * @type {string}
- * @const
- * @memberof other_constants
- */
-window.TEAM_NAME_NONE = window.TEAM_NAMES[window.TEAM_NONE];
-
-/**
- * @type {string}
- * @const
- * @memberof other_constants
- */
-window.TEAM_NAME_RES = window.TEAM_NAMES[window.TEAM_RES];
-
-/**
- * @type {string}
- * @const
- * @memberof other_constants
- */
-window.TEAM_NAME_ENL = window.TEAM_NAMES[window.TEAM_ENL];
-
-/**
- * @type {string}
- * @const
- * @memberof other_constants
- */
-window.TEAM_NAME_MAC = window.TEAM_NAMES[window.TEAM_MAC];
-
-/**
- * @type {string}
- * @const
- * @memberof other_constants
- */
-window.TEAM_CODE_NONE = window.TEAM_CODES[window.TEAM_NONE];
-
-/**
- * @type {string}
- * @const
- * @memberof other_constants
- */
-window.TEAM_CODE_RES = window.TEAM_CODES[window.TEAM_RES];
-
-/**
- * @type {string}
- * @const
- * @memberof other_constants
- */
-window.TEAM_CODE_ENL = window.TEAM_CODES[window.TEAM_ENL];
-
-/**
- * @type {string}
- * @const
- * @memberof other_constants
- */
-window.TEAM_CODE_MAC = window.TEAM_CODES[window.TEAM_MAC];
-
-/* ****************************************************************************************************************** */
-
-/**
- * Global variables used for storage. Most likely READ ONLY. Proper ay would be to encapsulate them in an anonymous
- * function and write getters/setters, but if you are careful enough, this works.
- * @namespace storage_variables
- */
-
-/**
- * Stores the id of the timeout that kicks off the next refresh (ie value returned by ``setTimeout()``)
- * @type {number|undefined}
- * @memberof storage_variables
- */
-window.refreshTimeout = undefined;
-
-/**
- * Portal GUID if the original URL had it.
- * @type {string|null}
- * @memberof storage_variables
- */
-window.urlPortal = null;
-
-/**
- * Portal lng/lat if the orignial URL had it.
- * @type {object|null}
- * @memberof storage_variables
- */
-window.urlPortalLL = null;
-
-/**
- * Stores the GUID of the selected portal, or is `null` if there is none.
- * @type {string|null}
- * @memberof storage_variables
- */
-window.selectedPortal = null;
-
-/**
- * Reference to the linking range indicator of the selected portal. This is a Leaflet layer.
- * @type {object|null}
- * @memberof storage_variables
- */
-window.portalRangeIndicator = null;
-
-/**
- * Reference to the hacking range indicator of the selected portal. This is a Leaflet layer.
- * @type {object|null}
- * @memberof storage_variables
- */
-window.portalAccessIndicator = null;
-
-// var portalsLayers, linksLayer, fieldsLayer;
-var portalsFactionLayers, linksFactionLayers, fieldsFactionLayers;
-
-/**
- * References to Leaflet objects representing portals, indexed by entity ID.
- * This object stores the mapping in the format `{ id1: feature1, ... }`.
- * Note: While these are Leaflet objects, not all may be added to the map due to render limits.
- * @type {Object.}
- * @memberof storage_variables
- */
-window.portals = {};
-
-/**
- * References to Leaflet objects representing links, indexed by entity ID.
- * This object stores the mapping in the format `{ id1: feature1, ... }`.
- * Note: While these are Leaflet objects, not all may be added to the map due to render limits.
- * @type {Object.}
- * @memberof storage_variables
- */
-window.links = {};
-
-/**
- * References to Leaflet objects representing fields, indexed by entity ID.
- * This object stores the mapping in the format `{ id1: feature1, ... }`.
- * Note: While these are Leaflet objects, not all may be added to the map due to render limits.
- * @type {Object.}
- * @memberof storage_variables
- */
-window.fields = {};
-
-/**
- * @class L
- * @description Root class for all Leaflet-related functionalities, extended with custom methods and properties.
- */
-
-// plugin framework. Plugins may load earlier than iitc, so don’t
-// overwrite data
-if (typeof window.plugin !== 'function') window.plugin = function() {};
-
-var ulog = (function (module) {
- // *** included: external/ulog.min.js ***
-!function(e,n,t){"function"==typeof define&&define.amd?define(n,[],t):e[n]=t()}(this,"ulog",function(){"use strict";function l(e){return e?a[e]||(a[e]=n(function(e,n){n=new Function("n","log","return {'"+e+"':function(){log.invoke(n,[].slice.call(arguments))}}[n]")(e,l);try{Object.defineProperty(n,"name",{get:function(){return e}})}catch(e){}return n}(e),l)):n(l)}l.formats=[],l.extends=[],l.enable=function(e){var n,t=(e||"").split(/[\s,]+/);for(n=0;n window.PLAYER.level ? 0 : window.MAX_RESO_PER_PLAYER[i];
- }
- $.each(resonators_on_portal, function (ind, reso) {
- if (reso !== null && reso.owner === window.PLAYER.nickname) {
- player_resontators[reso.level]--;
- }
- resonator_levels.push(reso === null ? 0 : reso.level);
- });
-
- resonator_levels.sort(function (a, b) {
- return a - b;
- });
-
- // Max out portal
- var install_index = 0;
- for (var j = window.MAX_PORTAL_LEVEL; j >= 1; j--) {
- for (var install = player_resontators[j]; install > 0; install--) {
- if (resonator_levels[install_index] < j) {
- resonator_levels[install_index] = j;
- install_index++;
- }
- }
- }
-
- potential_level =
- resonator_levels.reduce(function (a, b) {
- return a + b;
- }) / 8;
- }
- return potential_level;
-};
-
-/**
- * Finds the latitude and longitude for a portal using all available data sources.
- * This includes the list of portals, cached portal details, and information from links and fields.
- *
- * @deprecated
- * @function findPortalLatLng
- * @param {string} guid - The GUID of the portal.
- * @returns {L.LatLng|undefined} The LatLng location of the portal, or undefined if not found.
- */
-window.findPortalLatLng = function (guid) {
- if (window.portals[guid]) {
- return window.portals[guid].getLatLng();
- }
-
- // not found in portals - try the cached (and possibly stale) details - good enough for location
- var details = window.portalDetail.get(guid);
- if (details) {
- return L.latLng(details.latE6 / 1e6, details.lngE6 / 1e6);
- }
-
- // now try searching through fields
- for (var fguid in window.fields) {
- var f = window.fields[fguid].options.data;
-
- for (var i in f.points) {
- if (f.points[i].guid === guid) {
- return L.latLng(f.points[i].latE6 / 1e6, f.points[i].lngE6 / 1e6);
- }
- }
- }
-
- // and finally search through links
- for (var lguid in window.links) {
- var l = window.links[lguid].options.data;
- if (l.oGuid === guid) {
- return L.latLng(l.oLatE6 / 1e6, l.oLngE6 / 1e6);
- }
- if (l.dGuid === guid) {
- return L.latLng(l.dLatE6 / 1e6, l.dLngE6 / 1e6);
- }
- }
-
- // no luck finding portal lat/lng
- return undefined;
-};
-
-
-})();
-
-
-// *** module: app.js ***
-(function () {
-var log = ulog('app');
-/* global android, app -- eslint */
-
-/**
- * @file This file contains the main JavaScript code for the app, including utility functions,
- * app-specific behaviors, and integration with the Android environment.
- * @module app
- */
-
-/**
- * Global flag indicating whether the app is running as a standalone app or within a browser.
- * @type {boolean}
- * @memberof module:app
- */
-var isApp = typeof app !== 'undefined' || typeof android !== 'undefined';
-window.isApp = isApp;
-
-/**
- * Determines whether to use the interface for mobile devices depending on the application environment and device type.
- *
- * @function useAppPanes
- * @returns {boolean} Returns true if app panes should be used, false otherwise.
- */
-window.useAppPanes = function () {
- // isSmartphone is important to disable panes in desktop mode
- return isApp && app.addPane && window.isSmartphone();
-};
-window.useAndroidPanes = window.useAppPanes; // compatibility
-
-if (isApp) {
- if (typeof app === 'undefined') { // compatibility
- window.app = android;
- } else {
- window.android = app;
- }
-
- window.requestFile = function (callback) { // deprecated
- L.FileListLoader.loadFiles()
- .on('load', function (e) {
- callback(e.file.name, e.reader.result);
- });
- };
-}
-
-/**
- * Returns a function, that, as long as it continues to be invoked, will not be triggered.
- * The function will be called after it stops being called for N milliseconds.
- * source: https://gist.github.com/nmsdvid/8807205#gistcomment-2641356
- *
- * @function debounce
- * @param {Function} callback - The function to debounce.
- * @param {number} time - The debounce time in milliseconds.
- * @returns {Function} Returns a debounced version of the given function.
- */
-function debounce(callback, time) {
- var timeout;
- return function () {
- var context = this;
- var args = arguments;
- if (timeout) {
- clearTimeout(timeout);
- }
- timeout = setTimeout(function () {
- timeout = null;
- callback.apply(context, args);
- }, time);
- };
-}
-
-function extendLayerChooser () {
- if (app.setLayers) {
- // hook some additional code into the LayerControl so it's easy for the mobile app to interface with it
- window.LayerChooser.include({
- _setAppLayers: debounce(function () {
- var l = this.getLayers();
- app.setLayers(JSON.stringify(l.baseLayers), JSON.stringify(l.overlayLayers));
- }, 1000),
-
- setLabel: (function (setLabel) {
- return function () {
- this._setAppLayers();
- return setLabel.apply(this, arguments);
- };
- })(window.LayerChooser.prototype.setLabel),
-
- _update: function () {
- this._setAppLayers();
- return L.Control.Layers.prototype._update.apply(this, arguments);
- }
- });
- }
-}
-
-window.runOnAppBeforeBoot = function () {
- if (!isApp) { return; }
-
- if (app.showZoom) {
- window.mapOptions.zoomControl = app.showZoom();
- }
-
- extendLayerChooser();
-
- // add jquery listeners ******************************************************
- if (app.dialogOpened && app.dialogFocused) {
- $(document.body).on({
- // hints for iitc mobile
- dialogopen: function (e) {
- var id = $(e.target).data('id');
- app.dialogOpened(id, true);
- },
- dialogclose: function (e) {
- var id = $(e.target).data('id');
- app.dialogOpened(id, false);
- },
- dialogfocus: function (e) {
- var id = $(e.target).data('id');
- app.dialogFocused(id);
- }
- });
- }
- // notify app that a select spinner is enabled.
- // this disables javascript injection on app's side.
- // if app is not notified, the spinner closes on the next JS call
- if (app.spinnerEnabled) {
- $(document.body).on('click', 'select', function () {
- app.spinnerEnabled(true);
- });
- }
-
- // add iitc hooks ************************************************************
- if (app.switchToPane) {
- window.addHook('paneChanged', function (name) { // https://stackoverflow.com/a/59158952/2520247
- app.switchToPane(name);
- });
- }
-
- // overwrite some functions **************************************************
- if (app.copy) {
- window.androidCopy = function (text) {
- app.copy(text);
- return false;
- };
- }
-
- if (app.saveFile) {
- window.saveFile = function (data, filename, dataType) {
- app.saveFile(filename || '', dataType || '*/*', data);
- };
- }
-
- if (app.intentPosLink) {
- window.renderPortalUrl = function (lat, lng, title, guid) {
- // one share link option - and the app provides an interface to share the URL,
- // share as a geo: intent (navigation via google maps), etc
-
- var shareLink = $('')
- .text('Share portal')
- .click(function () {
- window.app.intentPosLink(lat, lng, window.map.getZoom(), title, true, guid);
- });
- $('.linkdetails').append($('");a=e[0];d=a.callback;g=function(){var c;c=[];for(b in a)h=a[b],"callback"!==b&&c.push(" "+b+"='"+h+"'");return c}().join("");return this.replace(f,function(c,b,a){c=("function"===typeof d?d(a):
-void 0)||""+a+"";return""+b+c})}}).call(this);
-
-
-;
-
- window.L_NO_TOUCH = navigator.maxTouchPoints===0; // prevent mobile style on desktop https://github.com/IITC-CE/ingress-intel-total-conversion/pull/189
- // *** included: external/leaflet-src.js ***
-/* @preserve
- * Leaflet 1.8.0, a JS library for interactive maps. https://leafletjs.com
- * (c) 2010-2022 Vladimir Agafonkin, (c) 2010-2011 CloudMade
- */
-
-(function (global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
- typeof define === 'function' && define.amd ? define(['exports'], factory) :
- (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.leaflet = {}));
-})(this, (function (exports) { 'use strict';
-
- var version = "1.8.0";
-
- /*
- * @namespace Util
- *
- * Various utility functions, used by Leaflet internally.
- */
-
- // @function extend(dest: Object, src?: Object): Object
- // Merges the properties of the `src` object (or multiple objects) into `dest` object and returns the latter. Has an `L.extend` shortcut.
- function extend(dest) {
- var i, j, len, src;
-
- for (j = 1, len = arguments.length; j < len; j++) {
- src = arguments[j];
- for (i in src) {
- dest[i] = src[i];
- }
- }
- return dest;
- }
-
- // @function create(proto: Object, properties?: Object): Object
- // Compatibility polyfill for [Object.create](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/create)
- var create$2 = Object.create || (function () {
- function F() {}
- return function (proto) {
- F.prototype = proto;
- return new F();
- };
- })();
-
- // @function bind(fn: Function, …): Function
- // Returns a new function bound to the arguments passed, like [Function.prototype.bind](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function/bind).
- // Has a `L.bind()` shortcut.
- function bind(fn, obj) {
- var slice = Array.prototype.slice;
-
- if (fn.bind) {
- return fn.bind.apply(fn, slice.call(arguments, 1));
- }
-
- var args = slice.call(arguments, 2);
-
- return function () {
- return fn.apply(obj, args.length ? args.concat(slice.call(arguments)) : arguments);
- };
- }
-
- // @property lastId: Number
- // Last unique ID used by [`stamp()`](#util-stamp)
- var lastId = 0;
-
- // @function stamp(obj: Object): Number
- // Returns the unique ID of an object, assigning it one if it doesn't have it.
- function stamp(obj) {
- if (!('_leaflet_id' in obj)) {
- obj['_leaflet_id'] = ++lastId;
- }
- return obj._leaflet_id;
- }
-
- // @function throttle(fn: Function, time: Number, context: Object): Function
- // Returns a function which executes function `fn` with the given scope `context`
- // (so that the `this` keyword refers to `context` inside `fn`'s code). The function
- // `fn` will be called no more than one time per given amount of `time`. The arguments
- // received by the bound function will be any arguments passed when binding the
- // function, followed by any arguments passed when invoking the bound function.
- // Has an `L.throttle` shortcut.
- function throttle(fn, time, context) {
- var lock, args, wrapperFn, later;
-
- later = function () {
- // reset lock and call if queued
- lock = false;
- if (args) {
- wrapperFn.apply(context, args);
- args = false;
- }
- };
-
- wrapperFn = function () {
- if (lock) {
- // called too soon, queue to call later
- args = arguments;
-
- } else {
- // call and lock until later
- fn.apply(context, arguments);
- setTimeout(later, time);
- lock = true;
- }
- };
-
- return wrapperFn;
- }
-
- // @function wrapNum(num: Number, range: Number[], includeMax?: Boolean): Number
- // Returns the number `num` modulo `range` in such a way so it lies within
- // `range[0]` and `range[1]`. The returned value will be always smaller than
- // `range[1]` unless `includeMax` is set to `true`.
- function wrapNum(x, range, includeMax) {
- var max = range[1],
- min = range[0],
- d = max - min;
- return x === max && includeMax ? x : ((x - min) % d + d) % d + min;
- }
-
- // @function falseFn(): Function
- // Returns a function which always returns `false`.
- function falseFn() { return false; }
-
- // @function formatNum(num: Number, precision?: Number|false): Number
- // Returns the number `num` rounded with specified `precision`.
- // The default `precision` value is 6 decimal places.
- // `false` can be passed to skip any processing (can be useful to avoid round-off errors).
- function formatNum(num, precision) {
- if (precision === false) { return num; }
- var pow = Math.pow(10, precision === undefined ? 6 : precision);
- return Math.round(num * pow) / pow;
- }
-
- // @function trim(str: String): String
- // Compatibility polyfill for [String.prototype.trim](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/Trim)
- function trim(str) {
- return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
- }
-
- // @function splitWords(str: String): String[]
- // Trims and splits the string on whitespace and returns the array of parts.
- function splitWords(str) {
- return trim(str).split(/\s+/);
- }
-
- // @function setOptions(obj: Object, options: Object): Object
- // Merges the given properties to the `options` of the `obj` object, returning the resulting options. See `Class options`. Has an `L.setOptions` shortcut.
- function setOptions(obj, options) {
- if (!Object.prototype.hasOwnProperty.call(obj, 'options')) {
- obj.options = obj.options ? create$2(obj.options) : {};
- }
- for (var i in options) {
- obj.options[i] = options[i];
- }
- return obj.options;
- }
-
- // @function getParamString(obj: Object, existingUrl?: String, uppercase?: Boolean): String
- // Converts an object into a parameter URL string, e.g. `{a: "foo", b: "bar"}`
- // translates to `'?a=foo&b=bar'`. If `existingUrl` is set, the parameters will
- // be appended at the end. If `uppercase` is `true`, the parameter names will
- // be uppercased (e.g. `'?A=foo&B=bar'`)
- function getParamString(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('&');
- }
-
- var templateRe = /\{ *([\w_ -]+) *\}/g;
-
- // @function template(str: String, data: Object): String
- // Simple templating facility, accepts a template string of the form `'Hello {a}, {b}'`
- // and a data object like `{a: 'foo', b: 'bar'}`, returns evaluated string
- // `('Hello foo, bar')`. You can also specify functions instead of strings for
- // data values — they will be evaluated passing `data` as an argument.
- function template(str, data) {
- return str.replace(templateRe, 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;
- });
- }
-
- // @function isArray(obj): Boolean
- // Compatibility polyfill for [Array.isArray](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray)
- var isArray = Array.isArray || function (obj) {
- return (Object.prototype.toString.call(obj) === '[object Array]');
- };
-
- // @function indexOf(array: Array, el: Object): Number
- // Compatibility polyfill for [Array.prototype.indexOf](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf)
- function indexOf(array, el) {
- for (var i = 0; i < array.length; i++) {
- if (array[i] === el) { return i; }
- }
- return -1;
- }
-
- // @property emptyImageUrl: String
- // Data URI string containing a base64-encoded empty GIF image.
- // Used as a hack to free memory from unused images on WebKit-powered
- // mobile devices (by setting image `src` to this string).
- var emptyImageUrl = 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=';
-
- // inspired by https://paulirish.com/2011/requestanimationframe-for-smart-animating/
-
- function getPrefixed(name) {
- return window['webkit' + name] || window['moz' + name] || window['ms' + name];
- }
-
- var lastTime = 0;
-
- // fallback for IE 7-8
- 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); };
-
- // @function requestAnimFrame(fn: Function, context?: Object, immediate?: Boolean): Number
- // Schedules `fn` to be executed when the browser repaints. `fn` is bound to
- // `context` if given. When `immediate` is set, `fn` is called immediately if
- // the browser doesn't have native support for
- // [`window.requestAnimationFrame`](https://developer.mozilla.org/docs/Web/API/window/requestAnimationFrame),
- // otherwise it's delayed. Returns a request ID that can be used to cancel the request.
- function requestAnimFrame(fn, context, immediate) {
- if (immediate && requestFn === timeoutDefer) {
- fn.call(context);
- } else {
- return requestFn.call(window, bind(fn, context));
- }
- }
-
- // @function cancelAnimFrame(id: Number): undefined
- // Cancels a previous `requestAnimFrame`. See also [window.cancelAnimationFrame](https://developer.mozilla.org/docs/Web/API/window/cancelAnimationFrame).
- function cancelAnimFrame(id) {
- if (id) {
- cancelFn.call(window, id);
- }
- }
-
- var Util = {
- __proto__: null,
- extend: extend,
- create: create$2,
- bind: bind,
- get lastId () { return lastId; },
- stamp: stamp,
- throttle: throttle,
- wrapNum: wrapNum,
- falseFn: falseFn,
- formatNum: formatNum,
- trim: trim,
- splitWords: splitWords,
- setOptions: setOptions,
- getParamString: getParamString,
- template: template,
- isArray: isArray,
- indexOf: indexOf,
- emptyImageUrl: emptyImageUrl,
- requestFn: requestFn,
- cancelFn: cancelFn,
- requestAnimFrame: requestAnimFrame,
- cancelAnimFrame: cancelAnimFrame
- };
-
- // @class Class
- // @aka L.Class
-
- // @section
- // @uninheritable
-
- // Thanks to John Resig and Dean Edwards for inspiration!
-
- function Class() {}
-
- Class.extend = function (props) {
-
- // @function extend(props: Object): Function
- // [Extends the current class](#class-inheritance) given the properties to be included.
- // Returns a Javascript function that is a class constructor (to be called with `new`).
- var NewClass = function () {
-
- setOptions(this);
-
- // call the constructor
- if (this.initialize) {
- this.initialize.apply(this, arguments);
- }
-
- // call all constructor hooks
- this.callInitHooks();
- };
-
- var parentProto = NewClass.__super__ = this.prototype;
-
- var proto = create$2(parentProto);
- proto.constructor = NewClass;
-
- NewClass.prototype = proto;
-
- // inherit parent's statics
- for (var i in this) {
- if (Object.prototype.hasOwnProperty.call(this, i) && i !== 'prototype' && i !== '__super__') {
- NewClass[i] = this[i];
- }
- }
-
- // mix static properties into the class
- if (props.statics) {
- extend(NewClass, props.statics);
- }
-
- // mix includes into the prototype
- if (props.includes) {
- checkDeprecatedMixinEvents(props.includes);
- extend.apply(null, [proto].concat(props.includes));
- }
-
- // mix given properties into the prototype
- extend(proto, props);
- delete proto.statics;
- delete proto.includes;
-
- // merge options
- if (proto.options) {
- proto.options = parentProto.options ? create$2(parentProto.options) : {};
- extend(proto.options, props.options);
- }
-
- proto._initHooks = [];
-
- // add method for calling all hooks
- proto.callInitHooks = function () {
-
- if (this._initHooksCalled) { return; }
-
- if (parentProto.callInitHooks) {
- parentProto.callInitHooks.call(this);
- }
-
- this._initHooksCalled = true;
-
- for (var i = 0, len = proto._initHooks.length; i < len; i++) {
- proto._initHooks[i].call(this);
- }
- };
-
- return NewClass;
- };
-
-
- // @function include(properties: Object): this
- // [Includes a mixin](#class-includes) into the current class.
- Class.include = function (props) {
- var parentOptions = this.prototype.options;
- extend(this.prototype, props);
- if (props.options) {
- this.prototype.options = parentOptions;
- this.mergeOptions(props.options);
- }
- return this;
- };
-
- // @function mergeOptions(options: Object): this
- // [Merges `options`](#class-options) into the defaults of the class.
- Class.mergeOptions = function (options) {
- extend(this.prototype.options, options);
- return this;
- };
-
- // @function addInitHook(fn: Function): this
- // Adds a [constructor hook](#class-constructor-hooks) to the class.
- 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);
- return this;
- };
-
- function checkDeprecatedMixinEvents(includes) {
- if (typeof L === 'undefined' || !L || !L.Mixin) { return; }
-
- includes = isArray(includes) ? includes : [includes];
-
- for (var i = 0; i < includes.length; i++) {
- if (includes[i] === L.Mixin.Events) {
- console.warn('Deprecated include of L.Mixin.Events: ' +
- 'this property will be removed in future releases, ' +
- 'please inherit from L.Evented instead.', new Error().stack);
- }
- }
- }
-
- /*
- * @class Evented
- * @aka L.Evented
- * @inherits Class
- *
- * A set of methods shared between event-powered classes (like `Map` and `Marker`). Generally, events allow you to execute some function when something happens with an object (e.g. the user clicks on the map, causing the map to fire `'click'` event).
- *
- * @example
- *
- * ```js
- * map.on('click', function(e) {
- * alert(e.latlng);
- * } );
- * ```
- *
- * Leaflet deals with event listeners by reference, so if you want to add a listener and then remove it, define it as a function:
- *
- * ```js
- * function onClick(e) { ... }
- *
- * map.on('click', onClick);
- * map.off('click', onClick);
- * ```
- */
-
- var Events = {
- /* @method on(type: String, fn: Function, context?: Object): this
- * Adds a listener function (`fn`) to a particular event type of the object. You can optionally specify the context of the listener (object the this keyword will point to). You can also pass several space-separated types (e.g. `'click dblclick'`).
- *
- * @alternative
- * @method on(eventMap: Object): this
- * Adds a set of type/listener pairs, e.g. `{click: onClick, mousemove: onMouseMove}`
- */
- on: function (types, fn, context) {
-
- // types can be a map of types/handlers
- if (typeof types === 'object') {
- for (var type in types) {
- // we don't process space-separated events here for performance;
- // it's a hot path since Layer uses the on(obj) syntax
- this._on(type, types[type], fn);
- }
-
- } else {
- // types can be a string of space-separated words
- types = splitWords(types);
-
- for (var i = 0, len = types.length; i < len; i++) {
- this._on(types[i], fn, context);
- }
- }
-
- return this;
- },
-
- /* @method off(type: String, fn?: Function, context?: Object): this
- * Removes a previously added listener function. If no function is specified, it will remove all the listeners of that particular event from the object. Note that if you passed a custom context to `on`, you must pass the same context to `off` in order to remove the listener.
- *
- * @alternative
- * @method off(eventMap: Object): this
- * Removes a set of type/listener pairs.
- *
- * @alternative
- * @method off: this
- * Removes all listeners to all events on the object. This includes implicitly attached events.
- */
- off: function (types, fn, context) {
-
- if (!arguments.length) {
- // clear all listeners if called without arguments
- delete this._events;
-
- } else if (typeof types === 'object') {
- for (var type in types) {
- this._off(type, types[type], fn);
- }
-
- } else {
- types = splitWords(types);
-
- var removeAll = arguments.length === 1;
- for (var i = 0, len = types.length; i < len; i++) {
- if (removeAll) {
- this._off(types[i]);
- } else {
- this._off(types[i], fn, context);
- }
- }
- }
-
- return this;
- },
-
- // attach listener (without syntactic sugar now)
- _on: function (type, fn, context) {
- if (typeof fn !== 'function') {
- console.warn('wrong listener type: ' + typeof fn);
- return;
- }
- this._events = this._events || {};
-
- /* get/init listeners for type */
- var typeListeners = this._events[type];
- if (!typeListeners) {
- typeListeners = [];
- this._events[type] = typeListeners;
- }
-
- if (context === this) {
- // Less memory footprint.
- context = undefined;
- }
- var newListener = {fn: fn, ctx: context},
- listeners = typeListeners;
-
- // check if fn already there
- for (var i = 0, len = listeners.length; i < len; i++) {
- if (listeners[i].fn === fn && listeners[i].ctx === context) {
- return;
- }
- }
-
- listeners.push(newListener);
- },
-
- _off: function (type, fn, context) {
- var listeners,
- i,
- len;
-
- if (!this._events) { return; }
-
- listeners = this._events[type];
-
- if (!listeners) {
- return;
- }
-
- if (arguments.length === 1) { // remove all
- if (this._firingCount) {
- // Set all removed listeners to noop
- // so they are not called if remove happens in fire
- for (i = 0, len = listeners.length; i < len; i++) {
- listeners[i].fn = falseFn;
- }
- }
- // clear all listeners for a type if function isn't specified
- delete this._events[type];
- return;
- }
-
- if (context === this) {
- context = undefined;
- }
-
- if (typeof fn !== 'function') {
- console.warn('wrong listener type: ' + typeof fn);
- return;
- }
- // find fn and remove it
- for (i = 0, len = listeners.length; i < len; i++) {
- var l = listeners[i];
- if (l.ctx !== context) { continue; }
- if (l.fn === fn) {
- if (this._firingCount) {
- // set the removed listener to noop so that's not called if remove happens in fire
- l.fn = falseFn;
-
- /* copy array in case events are being fired */
- this._events[type] = listeners = listeners.slice();
- }
- listeners.splice(i, 1);
-
- return;
- }
- }
- console.warn('listener not found');
- },
-
- // @method fire(type: String, data?: Object, propagate?: Boolean): this
- // Fires an event of the specified type. You can optionally provide a data
- // object — the first argument of the listener function will contain its
- // properties. The event can optionally be propagated to event parents.
- fire: function (type, data, propagate) {
- if (!this.listens(type, propagate)) { return this; }
-
- var event = extend({}, data, {
- type: type,
- target: this,
- sourceTarget: data && data.sourceTarget || this
- });
-
- if (this._events) {
- var listeners = this._events[type];
-
- if (listeners) {
- this._firingCount = (this._firingCount + 1) || 1;
- for (var i = 0, len = listeners.length; i < len; i++) {
- var l = listeners[i];
- l.fn.call(l.ctx || this, event);
- }
-
- this._firingCount--;
- }
- }
-
- if (propagate) {
- // propagate the event to parents (set with addEventParent)
- this._propagateEvent(event);
- }
-
- return this;
- },
-
- // @method listens(type: String, propagate?: Boolean): Boolean
- // Returns `true` if a particular event type has any listeners attached to it.
- // The verification can optionally be propagated, it will return `true` if parents have the listener attached to it.
- listens: function (type, propagate) {
- if (typeof type !== 'string') {
- console.warn('"string" type argument expected');
- }
- var listeners = this._events && this._events[type];
- if (listeners && listeners.length) { return true; }
-
- if (propagate) {
- // also check parents for listeners if event propagates
- for (var id in this._eventParents) {
- if (this._eventParents[id].listens(type, propagate)) { return true; }
- }
- }
- return false;
- },
-
- // @method once(…): this
- // Behaves as [`on(…)`](#evented-on), except the listener will only get fired once and then removed.
- once: function (types, fn, context) {
-
- if (typeof types === 'object') {
- for (var type in types) {
- this.once(type, types[type], fn);
- }
- return this;
- }
-
- var handler = bind(function () {
- this
- .off(types, fn, context)
- .off(types, handler, context);
- }, this);
-
- // add a listener that's executed once and removed after that
- return this
- .on(types, fn, context)
- .on(types, handler, context);
- },
-
- // @method addEventParent(obj: Evented): this
- // Adds an event parent - an `Evented` that will receive propagated events
- addEventParent: function (obj) {
- this._eventParents = this._eventParents || {};
- this._eventParents[stamp(obj)] = obj;
- return this;
- },
-
- // @method removeEventParent(obj: Evented): this
- // Removes an event parent, so it will stop receiving propagated events
- removeEventParent: function (obj) {
- if (this._eventParents) {
- delete this._eventParents[stamp(obj)];
- }
- return this;
- },
-
- _propagateEvent: function (e) {
- for (var id in this._eventParents) {
- this._eventParents[id].fire(e.type, extend({
- layer: e.target,
- propagatedFrom: e.target
- }, e), true);
- }
- }
- };
-
- // aliases; we should ditch those eventually
-
- // @method addEventListener(…): this
- // Alias to [`on(…)`](#evented-on)
- Events.addEventListener = Events.on;
-
- // @method removeEventListener(…): this
- // Alias to [`off(…)`](#evented-off)
-
- // @method clearAllEventListeners(…): this
- // Alias to [`off()`](#evented-off)
- Events.removeEventListener = Events.clearAllEventListeners = Events.off;
-
- // @method addOneTimeEventListener(…): this
- // Alias to [`once(…)`](#evented-once)
- Events.addOneTimeEventListener = Events.once;
-
- // @method fireEvent(…): this
- // Alias to [`fire(…)`](#evented-fire)
- Events.fireEvent = Events.fire;
-
- // @method hasEventListeners(…): Boolean
- // Alias to [`listens(…)`](#evented-listens)
- Events.hasEventListeners = Events.listens;
-
- var Evented = Class.extend(Events);
-
- /*
- * @class Point
- * @aka L.Point
- *
- * Represents a point with `x` and `y` coordinates in pixels.
- *
- * @example
- *
- * ```js
- * var point = L.point(200, 300);
- * ```
- *
- * All Leaflet methods and options that accept `Point` objects also accept them in a simple Array form (unless noted otherwise), so these lines are equivalent:
- *
- * ```js
- * map.panBy([200, 300]);
- * map.panBy(L.point(200, 300));
- * ```
- *
- * Note that `Point` does not inherit from Leaflet's `Class` object,
- * which means new classes can't inherit from it, and new methods
- * can't be added to it with the `include` function.
- */
-
- function Point(x, y, round) {
- // @property x: Number; The `x` coordinate of the point
- this.x = (round ? Math.round(x) : x);
- // @property y: Number; The `y` coordinate of the point
- this.y = (round ? Math.round(y) : y);
- }
-
- var trunc = Math.trunc || function (v) {
- return v > 0 ? Math.floor(v) : Math.ceil(v);
- };
-
- Point.prototype = {
-
- // @method clone(): Point
- // Returns a copy of the current point.
- clone: function () {
- return new Point(this.x, this.y);
- },
-
- // @method add(otherPoint: Point): Point
- // Returns the result of addition of the current and the given points.
- add: function (point) {
- // non-destructive, returns a new point
- return this.clone()._add(toPoint(point));
- },
-
- _add: function (point) {
- // destructive, used directly for performance in situations where it's safe to modify existing point
- this.x += point.x;
- this.y += point.y;
- return this;
- },
-
- // @method subtract(otherPoint: Point): Point
- // Returns the result of subtraction of the given point from the current.
- subtract: function (point) {
- return this.clone()._subtract(toPoint(point));
- },
-
- _subtract: function (point) {
- this.x -= point.x;
- this.y -= point.y;
- return this;
- },
-
- // @method divideBy(num: Number): Point
- // Returns the result of division of the current point by the given number.
- divideBy: function (num) {
- return this.clone()._divideBy(num);
- },
-
- _divideBy: function (num) {
- this.x /= num;
- this.y /= num;
- return this;
- },
-
- // @method multiplyBy(num: Number): Point
- // Returns the result of multiplication of the current point by the given number.
- multiplyBy: function (num) {
- return this.clone()._multiplyBy(num);
- },
-
- _multiplyBy: function (num) {
- this.x *= num;
- this.y *= num;
- return this;
- },
-
- // @method scaleBy(scale: Point): Point
- // Multiply each coordinate of the current point by each coordinate of
- // `scale`. In linear algebra terms, multiply the point by the
- // [scaling matrix](https://en.wikipedia.org/wiki/Scaling_%28geometry%29#Matrix_representation)
- // defined by `scale`.
- scaleBy: function (point) {
- return new Point(this.x * point.x, this.y * point.y);
- },
-
- // @method unscaleBy(scale: Point): Point
- // Inverse of `scaleBy`. Divide each coordinate of the current point by
- // each coordinate of `scale`.
- unscaleBy: function (point) {
- return new Point(this.x / point.x, this.y / point.y);
- },
-
- // @method round(): Point
- // Returns a copy of the current point with rounded coordinates.
- round: function () {
- return this.clone()._round();
- },
-
- _round: function () {
- this.x = Math.round(this.x);
- this.y = Math.round(this.y);
- return this;
- },
-
- // @method floor(): Point
- // Returns a copy of the current point with floored coordinates (rounded down).
- floor: function () {
- return this.clone()._floor();
- },
-
- _floor: function () {
- this.x = Math.floor(this.x);
- this.y = Math.floor(this.y);
- return this;
- },
-
- // @method ceil(): Point
- // Returns a copy of the current point with ceiled coordinates (rounded up).
- ceil: function () {
- return this.clone()._ceil();
- },
-
- _ceil: function () {
- this.x = Math.ceil(this.x);
- this.y = Math.ceil(this.y);
- return this;
- },
-
- // @method trunc(): Point
- // Returns a copy of the current point with truncated coordinates (rounded towards zero).
- trunc: function () {
- return this.clone()._trunc();
- },
-
- _trunc: function () {
- this.x = trunc(this.x);
- this.y = trunc(this.y);
- return this;
- },
-
- // @method distanceTo(otherPoint: Point): Number
- // Returns the cartesian distance between the current and the given points.
- distanceTo: function (point) {
- point = toPoint(point);
-
- var x = point.x - this.x,
- y = point.y - this.y;
-
- return Math.sqrt(x * x + y * y);
- },
-
- // @method equals(otherPoint: Point): Boolean
- // Returns `true` if the given point has the same coordinates.
- equals: function (point) {
- point = toPoint(point);
-
- return point.x === this.x &&
- point.y === this.y;
- },
-
- // @method contains(otherPoint: Point): Boolean
- // Returns `true` if both coordinates of the given point are less than the corresponding current point coordinates (in absolute values).
- contains: function (point) {
- point = toPoint(point);
-
- return Math.abs(point.x) <= Math.abs(this.x) &&
- Math.abs(point.y) <= Math.abs(this.y);
- },
-
- // @method toString(): String
- // Returns a string representation of the point for debugging purposes.
- toString: function () {
- return 'Point(' +
- formatNum(this.x) + ', ' +
- formatNum(this.y) + ')';
- }
- };
-
- // @factory L.point(x: Number, y: Number, round?: Boolean)
- // Creates a Point object with the given `x` and `y` coordinates. If optional `round` is set to true, rounds the `x` and `y` values.
-
- // @alternative
- // @factory L.point(coords: Number[])
- // Expects an array of the form `[x, y]` instead.
-
- // @alternative
- // @factory L.point(coords: Object)
- // Expects a plain object of the form `{x: Number, y: Number}` instead.
- function toPoint(x, y, round) {
- if (x instanceof Point) {
- return x;
- }
- if (isArray(x)) {
- return new Point(x[0], x[1]);
- }
- if (x === undefined || x === null) {
- return x;
- }
- if (typeof x === 'object' && 'x' in x && 'y' in x) {
- return new Point(x.x, x.y);
- }
- return new Point(x, y, round);
- }
-
- /*
- * @class Bounds
- * @aka L.Bounds
- *
- * Represents a rectangular area in pixel coordinates.
- *
- * @example
- *
- * ```js
- * var p1 = L.point(10, 10),
- * p2 = L.point(40, 60),
- * bounds = L.bounds(p1, p2);
- * ```
- *
- * All Leaflet methods that accept `Bounds` objects also accept them in a simple Array form (unless noted otherwise), so the bounds example above can be passed like this:
- *
- * ```js
- * otherBounds.intersects([[10, 10], [40, 60]]);
- * ```
- *
- * Note that `Bounds` does not inherit from Leaflet's `Class` object,
- * which means new classes can't inherit from it, and new methods
- * can't be added to it with the `include` function.
- */
-
- function Bounds(a, b) {
- if (!a) { return; }
-
- var points = b ? [a, b] : a;
-
- for (var i = 0, len = points.length; i < len; i++) {
- this.extend(points[i]);
- }
- }
-
- Bounds.prototype = {
- // @method extend(point: Point): this
- // Extends the bounds to contain the given point.
- extend: function (point) { // (Point)
- point = toPoint(point);
-
- // @property min: Point
- // The top left corner of the rectangle.
- // @property max: Point
- // The bottom right corner of the rectangle.
- 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;
- },
-
- // @method getCenter(round?: Boolean): Point
- // Returns the center point of the bounds.
- getCenter: function (round) {
- return new Point(
- (this.min.x + this.max.x) / 2,
- (this.min.y + this.max.y) / 2, round);
- },
-
- // @method getBottomLeft(): Point
- // Returns the bottom-left point of the bounds.
- getBottomLeft: function () {
- return new Point(this.min.x, this.max.y);
- },
-
- // @method getTopRight(): Point
- // Returns the top-right point of the bounds.
- getTopRight: function () { // -> Point
- return new Point(this.max.x, this.min.y);
- },
-
- // @method getTopLeft(): Point
- // Returns the top-left point of the bounds (i.e. [`this.min`](#bounds-min)).
- getTopLeft: function () {
- return this.min; // left, top
- },
-
- // @method getBottomRight(): Point
- // Returns the bottom-right point of the bounds (i.e. [`this.max`](#bounds-max)).
- getBottomRight: function () {
- return this.max; // right, bottom
- },
-
- // @method getSize(): Point
- // Returns the size of the given bounds
- getSize: function () {
- return this.max.subtract(this.min);
- },
-
- // @method contains(otherBounds: Bounds): Boolean
- // Returns `true` if the rectangle contains the given one.
- // @alternative
- // @method contains(point: Point): Boolean
- // Returns `true` if the rectangle contains the given point.
- contains: function (obj) {
- var min, max;
-
- if (typeof obj[0] === 'number' || obj instanceof Point) {
- obj = toPoint(obj);
- } else {
- obj = toBounds(obj);
- }
-
- if (obj instanceof 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);
- },
-
- // @method intersects(otherBounds: Bounds): Boolean
- // Returns `true` if the rectangle intersects the given bounds. Two bounds
- // intersect if they have at least one point in common.
- intersects: function (bounds) { // (Bounds) -> Boolean
- bounds = toBounds(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;
- },
-
- // @method overlaps(otherBounds: Bounds): Boolean
- // Returns `true` if the rectangle overlaps the given bounds. Two bounds
- // overlap if their intersection is an area.
- overlaps: function (bounds) { // (Bounds) -> Boolean
- bounds = toBounds(bounds);
-
- var min = this.min,
- max = this.max,
- min2 = bounds.min,
- max2 = bounds.max,
- xOverlaps = (max2.x > min.x) && (min2.x < max.x),
- yOverlaps = (max2.y > min.y) && (min2.y < max.y);
-
- return xOverlaps && yOverlaps;
- },
-
- isValid: function () {
- return !!(this.min && this.max);
- }
- };
-
-
- // @factory L.bounds(corner1: Point, corner2: Point)
- // Creates a Bounds object from two corners coordinate pairs.
- // @alternative
- // @factory L.bounds(points: Point[])
- // Creates a Bounds object from the given array of points.
- function toBounds(a, b) {
- if (!a || a instanceof Bounds) {
- return a;
- }
- return new Bounds(a, b);
- }
-
- /*
- * @class LatLngBounds
- * @aka L.LatLngBounds
- *
- * Represents a rectangular geographical area on a map.
- *
- * @example
- *
- * ```js
- * var corner1 = L.latLng(40.712, -74.227),
- * corner2 = L.latLng(40.774, -74.125),
- * bounds = L.latLngBounds(corner1, corner2);
- * ```
- *
- * All Leaflet methods that accept LatLngBounds objects also accept them in a simple Array form (unless noted otherwise), so the bounds example above can be passed like this:
- *
- * ```js
- * map.fitBounds([
- * [40.712, -74.227],
- * [40.774, -74.125]
- * ]);
- * ```
- *
- * Caution: if the area crosses the antimeridian (often confused with the International Date Line), you must specify corners _outside_ the [-180, 180] degrees longitude range.
- *
- * Note that `LatLngBounds` does not inherit from Leaflet's `Class` object,
- * which means new classes can't inherit from it, and new methods
- * can't be added to it with the `include` function.
- */
-
- function LatLngBounds(corner1, corner2) { // (LatLng, LatLng) or (LatLng[])
- if (!corner1) { return; }
-
- var latlngs = corner2 ? [corner1, corner2] : corner1;
-
- for (var i = 0, len = latlngs.length; i < len; i++) {
- this.extend(latlngs[i]);
- }
- }
-
- LatLngBounds.prototype = {
-
- // @method extend(latlng: LatLng): this
- // Extend the bounds to contain the given point
-
- // @alternative
- // @method extend(otherBounds: LatLngBounds): this
- // Extend the bounds to contain the given bounds
- extend: function (obj) {
- var sw = this._southWest,
- ne = this._northEast,
- sw2, ne2;
-
- if (obj instanceof LatLng) {
- sw2 = obj;
- ne2 = obj;
-
- } else if (obj instanceof LatLngBounds) {
- sw2 = obj._southWest;
- ne2 = obj._northEast;
-
- if (!sw2 || !ne2) { return this; }
-
- } else {
- return obj ? this.extend(toLatLng(obj) || toLatLngBounds(obj)) : this;
- }
-
- if (!sw && !ne) {
- this._southWest = new LatLng(sw2.lat, sw2.lng);
- this._northEast = new LatLng(ne2.lat, ne2.lng);
- } else {
- sw.lat = Math.min(sw2.lat, sw.lat);
- sw.lng = Math.min(sw2.lng, sw.lng);
- ne.lat = Math.max(ne2.lat, ne.lat);
- ne.lng = Math.max(ne2.lng, ne.lng);
- }
-
- return this;
- },
-
- // @method pad(bufferRatio: Number): LatLngBounds
- // Returns bounds created by extending or retracting the current bounds by a given ratio in each direction.
- // For example, a ratio of 0.5 extends the bounds by 50% in each direction.
- // Negative values will retract the bounds.
- pad: function (bufferRatio) {
- 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 LatLngBounds(
- new LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),
- new LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer));
- },
-
- // @method getCenter(): LatLng
- // Returns the center point of the bounds.
- getCenter: function () {
- return new LatLng(
- (this._southWest.lat + this._northEast.lat) / 2,
- (this._southWest.lng + this._northEast.lng) / 2);
- },
-
- // @method getSouthWest(): LatLng
- // Returns the south-west point of the bounds.
- getSouthWest: function () {
- return this._southWest;
- },
-
- // @method getNorthEast(): LatLng
- // Returns the north-east point of the bounds.
- getNorthEast: function () {
- return this._northEast;
- },
-
- // @method getNorthWest(): LatLng
- // Returns the north-west point of the bounds.
- getNorthWest: function () {
- return new LatLng(this.getNorth(), this.getWest());
- },
-
- // @method getSouthEast(): LatLng
- // Returns the south-east point of the bounds.
- getSouthEast: function () {
- return new LatLng(this.getSouth(), this.getEast());
- },
-
- // @method getWest(): Number
- // Returns the west longitude of the bounds
- getWest: function () {
- return this._southWest.lng;
- },
-
- // @method getSouth(): Number
- // Returns the south latitude of the bounds
- getSouth: function () {
- return this._southWest.lat;
- },
-
- // @method getEast(): Number
- // Returns the east longitude of the bounds
- getEast: function () {
- return this._northEast.lng;
- },
-
- // @method getNorth(): Number
- // Returns the north latitude of the bounds
- getNorth: function () {
- return this._northEast.lat;
- },
-
- // @method contains(otherBounds: LatLngBounds): Boolean
- // Returns `true` if the rectangle contains the given one.
-
- // @alternative
- // @method contains (latlng: LatLng): Boolean
- // Returns `true` if the rectangle contains the given point.
- contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean
- if (typeof obj[0] === 'number' || obj instanceof LatLng || 'lat' in obj) {
- obj = toLatLng(obj);
- } else {
- obj = toLatLngBounds(obj);
- }
-
- var sw = this._southWest,
- ne = this._northEast,
- sw2, ne2;
-
- if (obj instanceof 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);
- },
-
- // @method intersects(otherBounds: LatLngBounds): Boolean
- // Returns `true` if the rectangle intersects the given bounds. Two bounds intersect if they have at least one point in common.
- intersects: function (bounds) {
- bounds = toLatLngBounds(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;
- },
-
- // @method overlaps(otherBounds: LatLngBounds): Boolean
- // Returns `true` if the rectangle overlaps the given bounds. Two bounds overlap if their intersection is an area.
- overlaps: function (bounds) {
- bounds = toLatLngBounds(bounds);
-
- var sw = this._southWest,
- ne = this._northEast,
- sw2 = bounds.getSouthWest(),
- ne2 = bounds.getNorthEast(),
-
- latOverlaps = (ne2.lat > sw.lat) && (sw2.lat < ne.lat),
- lngOverlaps = (ne2.lng > sw.lng) && (sw2.lng < ne.lng);
-
- return latOverlaps && lngOverlaps;
- },
-
- // @method toBBoxString(): String
- // Returns a string with bounding box coordinates in a 'southwest_lng,southwest_lat,northeast_lng,northeast_lat' format. Useful for sending requests to web services that return geo data.
- toBBoxString: function () {
- return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(',');
- },
-
- // @method equals(otherBounds: LatLngBounds, maxMargin?: Number): Boolean
- // Returns `true` if the rectangle is equivalent (within a small margin of error) to the given bounds. The margin of error can be overridden by setting `maxMargin` to a small number.
- equals: function (bounds, maxMargin) {
- if (!bounds) { return false; }
-
- bounds = toLatLngBounds(bounds);
-
- return this._southWest.equals(bounds.getSouthWest(), maxMargin) &&
- this._northEast.equals(bounds.getNorthEast(), maxMargin);
- },
-
- // @method isValid(): Boolean
- // Returns `true` if the bounds are properly initialized.
- isValid: function () {
- return !!(this._southWest && this._northEast);
- }
- };
-
- // TODO International date line?
-
- // @factory L.latLngBounds(corner1: LatLng, corner2: LatLng)
- // Creates a `LatLngBounds` object by defining two diagonally opposite corners of the rectangle.
-
- // @alternative
- // @factory L.latLngBounds(latlngs: LatLng[])
- // Creates a `LatLngBounds` object defined by the geographical points it contains. Very useful for zooming the map to fit a particular set of locations with [`fitBounds`](#map-fitbounds).
- function toLatLngBounds(a, b) {
- if (a instanceof LatLngBounds) {
- return a;
- }
- return new LatLngBounds(a, b);
- }
-
- /* @class LatLng
- * @aka L.LatLng
- *
- * Represents a geographical point with a certain latitude and longitude.
- *
- * @example
- *
- * ```
- * var latlng = L.latLng(50.5, 30.5);
- * ```
- *
- * All Leaflet methods that accept LatLng objects also accept them in a simple Array form and simple object form (unless noted otherwise), so these lines are equivalent:
- *
- * ```
- * map.panTo([50, 30]);
- * map.panTo({lon: 30, lat: 50});
- * map.panTo({lat: 50, lng: 30});
- * map.panTo(L.latLng(50, 30));
- * ```
- *
- * Note that `LatLng` does not inherit from Leaflet's `Class` object,
- * which means new classes can't inherit from it, and new methods
- * can't be added to it with the `include` function.
- */
-
- function LatLng(lat, lng, alt) {
- if (isNaN(lat) || isNaN(lng)) {
- throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')');
- }
-
- // @property lat: Number
- // Latitude in degrees
- this.lat = +lat;
-
- // @property lng: Number
- // Longitude in degrees
- this.lng = +lng;
-
- // @property alt: Number
- // Altitude in meters (optional)
- if (alt !== undefined) {
- this.alt = +alt;
- }
- }
-
- LatLng.prototype = {
- // @method equals(otherLatLng: LatLng, maxMargin?: Number): Boolean
- // Returns `true` if the given `LatLng` point is at the same position (within a small margin of error). The margin of error can be overridden by setting `maxMargin` to a small number.
- equals: function (obj, maxMargin) {
- if (!obj) { return false; }
-
- obj = toLatLng(obj);
-
- var margin = Math.max(
- Math.abs(this.lat - obj.lat),
- Math.abs(this.lng - obj.lng));
-
- return margin <= (maxMargin === undefined ? 1.0E-9 : maxMargin);
- },
-
- // @method toString(): String
- // Returns a string representation of the point (for debugging purposes).
- toString: function (precision) {
- return 'LatLng(' +
- formatNum(this.lat, precision) + ', ' +
- formatNum(this.lng, precision) + ')';
- },
-
- // @method distanceTo(otherLatLng: LatLng): Number
- // Returns the distance (in meters) to the given `LatLng` calculated using the [Spherical Law of Cosines](https://en.wikipedia.org/wiki/Spherical_law_of_cosines).
- distanceTo: function (other) {
- return Earth.distance(this, toLatLng(other));
- },
-
- // @method wrap(): LatLng
- // Returns a new `LatLng` object with the longitude wrapped so it's always between -180 and +180 degrees.
- wrap: function () {
- return Earth.wrapLatLng(this);
- },
-
- // @method toBounds(sizeInMeters: Number): LatLngBounds
- // Returns a new `LatLngBounds` object in which each boundary is `sizeInMeters/2` meters apart from the `LatLng`.
- toBounds: function (sizeInMeters) {
- var latAccuracy = 180 * sizeInMeters / 40075017,
- lngAccuracy = latAccuracy / Math.cos((Math.PI / 180) * this.lat);
-
- return toLatLngBounds(
- [this.lat - latAccuracy, this.lng - lngAccuracy],
- [this.lat + latAccuracy, this.lng + lngAccuracy]);
- },
-
- clone: function () {
- return new LatLng(this.lat, this.lng, this.alt);
- }
- };
-
-
-
- // @factory L.latLng(latitude: Number, longitude: Number, altitude?: Number): LatLng
- // Creates an object representing a geographical point with the given latitude and longitude (and optionally altitude).
-
- // @alternative
- // @factory L.latLng(coords: Array): LatLng
- // Expects an array of the form `[Number, Number]` or `[Number, Number, Number]` instead.
-
- // @alternative
- // @factory L.latLng(coords: Object): LatLng
- // Expects an plain object of the form `{lat: Number, lng: Number}` or `{lat: Number, lng: Number, alt: Number}` instead.
-
- function toLatLng(a, b, c) {
- if (a instanceof LatLng) {
- return a;
- }
- if (isArray(a) && typeof a[0] !== 'object') {
- if (a.length === 3) {
- return new LatLng(a[0], a[1], a[2]);
- }
- if (a.length === 2) {
- return new LatLng(a[0], a[1]);
- }
- return null;
- }
- if (a === undefined || a === null) {
- return a;
- }
- if (typeof a === 'object' && 'lat' in a) {
- return new LatLng(a.lat, 'lng' in a ? a.lng : a.lon, a.alt);
- }
- if (b === undefined) {
- return null;
- }
- return new LatLng(a, b, c);
- }
-
- /*
- * @namespace CRS
- * @crs L.CRS.Base
- * Object that defines coordinate reference systems for projecting
- * geographical points into pixel (screen) coordinates and back (and to
- * coordinates in other units for [WMS](https://en.wikipedia.org/wiki/Web_Map_Service) services). See
- * [spatial reference system](https://en.wikipedia.org/wiki/Spatial_reference_system).
- *
- * Leaflet defines the most usual CRSs by default. If you want to use a
- * CRS not defined by default, take a look at the
- * [Proj4Leaflet](https://github.com/kartena/Proj4Leaflet) plugin.
- *
- * Note that the CRS instances do not inherit from Leaflet's `Class` object,
- * and can't be instantiated. Also, new classes can't inherit from them,
- * and methods can't be added to them with the `include` function.
- */
-
- var CRS = {
- // @method latLngToPoint(latlng: LatLng, zoom: Number): Point
- // Projects geographical coordinates into pixel coordinates for a given zoom.
- latLngToPoint: function (latlng, zoom) {
- var projectedPoint = this.projection.project(latlng),
- scale = this.scale(zoom);
-
- return this.transformation._transform(projectedPoint, scale);
- },
-
- // @method pointToLatLng(point: Point, zoom: Number): LatLng
- // The inverse of `latLngToPoint`. Projects pixel coordinates on a given
- // zoom into geographical coordinates.
- pointToLatLng: function (point, zoom) {
- var scale = this.scale(zoom),
- untransformedPoint = this.transformation.untransform(point, scale);
-
- return this.projection.unproject(untransformedPoint);
- },
-
- // @method project(latlng: LatLng): Point
- // Projects geographical coordinates into coordinates in units accepted for
- // this CRS (e.g. meters for EPSG:3857, for passing it to WMS services).
- project: function (latlng) {
- return this.projection.project(latlng);
- },
-
- // @method unproject(point: Point): LatLng
- // Given a projected coordinate returns the corresponding LatLng.
- // The inverse of `project`.
- unproject: function (point) {
- return this.projection.unproject(point);
- },
-
- // @method scale(zoom: Number): Number
- // Returns the scale used when transforming projected coordinates into
- // pixel coordinates for a particular zoom. For example, it returns
- // `256 * 2^zoom` for Mercator-based CRS.
- scale: function (zoom) {
- return 256 * Math.pow(2, zoom);
- },
-
- // @method zoom(scale: Number): Number
- // Inverse of `scale()`, returns the zoom level corresponding to a scale
- // factor of `scale`.
- zoom: function (scale) {
- return Math.log(scale / 256) / Math.LN2;
- },
-
- // @method getProjectedBounds(zoom: Number): Bounds
- // Returns the projection's bounds scaled and transformed for the provided `zoom`.
- getProjectedBounds: function (zoom) {
- if (this.infinite) { return null; }
-
- var b = this.projection.bounds,
- s = this.scale(zoom),
- min = this.transformation.transform(b.min, s),
- max = this.transformation.transform(b.max, s);
-
- return new Bounds(min, max);
- },
-
- // @method distance(latlng1: LatLng, latlng2: LatLng): Number
- // Returns the distance between two geographical coordinates.
-
- // @property code: String
- // Standard code name of the CRS passed into WMS services (e.g. `'EPSG:3857'`)
- //
- // @property wrapLng: Number[]
- // An array of two numbers defining whether the longitude (horizontal) coordinate
- // axis wraps around a given range and how. Defaults to `[-180, 180]` in most
- // geographical CRSs. If `undefined`, the longitude axis does not wrap around.
- //
- // @property wrapLat: Number[]
- // Like `wrapLng`, but for the latitude (vertical) axis.
-
- // wrapLng: [min, max],
- // wrapLat: [min, max],
-
- // @property infinite: Boolean
- // If true, the coordinate space will be unbounded (infinite in both axes)
- infinite: false,
-
- // @method wrapLatLng(latlng: LatLng): LatLng
- // Returns a `LatLng` where lat and lng has been wrapped according to the
- // CRS's `wrapLat` and `wrapLng` properties, if they are outside the CRS's bounds.
- wrapLatLng: function (latlng) {
- var lng = this.wrapLng ? wrapNum(latlng.lng, this.wrapLng, true) : latlng.lng,
- lat = this.wrapLat ? wrapNum(latlng.lat, this.wrapLat, true) : latlng.lat,
- alt = latlng.alt;
-
- return new LatLng(lat, lng, alt);
- },
-
- // @method wrapLatLngBounds(bounds: LatLngBounds): LatLngBounds
- // Returns a `LatLngBounds` with the same size as the given one, ensuring
- // that its center is within the CRS's bounds.
- // Only accepts actual `L.LatLngBounds` instances, not arrays.
- wrapLatLngBounds: function (bounds) {
- var center = bounds.getCenter(),
- newCenter = this.wrapLatLng(center),
- latShift = center.lat - newCenter.lat,
- lngShift = center.lng - newCenter.lng;
-
- if (latShift === 0 && lngShift === 0) {
- return bounds;
- }
-
- var sw = bounds.getSouthWest(),
- ne = bounds.getNorthEast(),
- newSw = new LatLng(sw.lat - latShift, sw.lng - lngShift),
- newNe = new LatLng(ne.lat - latShift, ne.lng - lngShift);
-
- return new LatLngBounds(newSw, newNe);
- }
- };
-
- /*
- * @namespace CRS
- * @crs L.CRS.Earth
- *
- * Serves as the base for CRS that are global such that they cover the earth.
- * Can only be used as the base for other CRS and cannot be used directly,
- * since it does not have a `code`, `projection` or `transformation`. `distance()` returns
- * meters.
- */
-
- var Earth = extend({}, CRS, {
- wrapLng: [-180, 180],
-
- // Mean Earth Radius, as recommended for use by
- // the International Union of Geodesy and Geophysics,
- // see https://rosettacode.org/wiki/Haversine_formula
- R: 6371000,
-
- // distance between two geographical points using spherical law of cosines approximation
- distance: function (latlng1, latlng2) {
- var rad = Math.PI / 180,
- lat1 = latlng1.lat * rad,
- lat2 = latlng2.lat * rad,
- sinDLat = Math.sin((latlng2.lat - latlng1.lat) * rad / 2),
- sinDLon = Math.sin((latlng2.lng - latlng1.lng) * rad / 2),
- a = sinDLat * sinDLat + Math.cos(lat1) * Math.cos(lat2) * sinDLon * sinDLon,
- c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
- return this.R * c;
- }
- });
-
- /*
- * @namespace Projection
- * @projection L.Projection.SphericalMercator
- *
- * Spherical Mercator projection — the most common projection for online maps,
- * used by almost all free and commercial tile providers. Assumes that Earth is
- * a sphere. Used by the `EPSG:3857` CRS.
- */
-
- var earthRadius = 6378137;
-
- var SphericalMercator = {
-
- R: earthRadius,
- MAX_LATITUDE: 85.0511287798,
-
- project: function (latlng) {
- var d = Math.PI / 180,
- max = this.MAX_LATITUDE,
- lat = Math.max(Math.min(max, latlng.lat), -max),
- sin = Math.sin(lat * d);
-
- return new Point(
- this.R * latlng.lng * d,
- this.R * Math.log((1 + sin) / (1 - sin)) / 2);
- },
-
- unproject: function (point) {
- var d = 180 / Math.PI;
-
- return new LatLng(
- (2 * Math.atan(Math.exp(point.y / this.R)) - (Math.PI / 2)) * d,
- point.x * d / this.R);
- },
-
- bounds: (function () {
- var d = earthRadius * Math.PI;
- return new Bounds([-d, -d], [d, d]);
- })()
- };
-
- /*
- * @class Transformation
- * @aka L.Transformation
- *
- * Represents an affine transformation: a set of coefficients `a`, `b`, `c`, `d`
- * for transforming a point of a form `(x, y)` into `(a*x + b, c*y + d)` and doing
- * the reverse. Used by Leaflet in its projections code.
- *
- * @example
- *
- * ```js
- * var transformation = L.transformation(2, 5, -1, 10),
- * p = L.point(1, 2),
- * p2 = transformation.transform(p), // L.point(7, 8)
- * p3 = transformation.untransform(p2); // L.point(1, 2)
- * ```
- */
-
-
- // factory new L.Transformation(a: Number, b: Number, c: Number, d: Number)
- // Creates a `Transformation` object with the given coefficients.
- function Transformation(a, b, c, d) {
- if (isArray(a)) {
- // use array properties
- this._a = a[0];
- this._b = a[1];
- this._c = a[2];
- this._d = a[3];
- return;
- }
- this._a = a;
- this._b = b;
- this._c = c;
- this._d = d;
- }
-
- Transformation.prototype = {
- // @method transform(point: Point, scale?: Number): Point
- // Returns a transformed point, optionally multiplied by the given scale.
- // Only accepts actual `L.Point` instances, not arrays.
- 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;
- },
-
- // @method untransform(point: Point, scale?: Number): Point
- // Returns the reverse transformation of the given point, optionally divided
- // by the given scale. Only accepts actual `L.Point` instances, not arrays.
- untransform: function (point, scale) {
- scale = scale || 1;
- return new Point(
- (point.x / scale - this._b) / this._a,
- (point.y / scale - this._d) / this._c);
- }
- };
-
- // factory L.transformation(a: Number, b: Number, c: Number, d: Number)
-
- // @factory L.transformation(a: Number, b: Number, c: Number, d: Number)
- // Instantiates a Transformation object with the given coefficients.
-
- // @alternative
- // @factory L.transformation(coefficients: Array): Transformation
- // Expects an coefficients array of the form
- // `[a: Number, b: Number, c: Number, d: Number]`.
-
- function toTransformation(a, b, c, d) {
- return new Transformation(a, b, c, d);
- }
-
- /*
- * @namespace CRS
- * @crs L.CRS.EPSG3857
- *
- * The most common CRS for online maps, used by almost all free and commercial
- * tile providers. Uses Spherical Mercator projection. Set in by default in
- * Map's `crs` option.
- */
-
- var EPSG3857 = extend({}, Earth, {
- code: 'EPSG:3857',
- projection: SphericalMercator,
-
- transformation: (function () {
- var scale = 0.5 / (Math.PI * SphericalMercator.R);
- return toTransformation(scale, 0.5, -scale, 0.5);
- }())
- });
-
- var EPSG900913 = extend({}, EPSG3857, {
- code: 'EPSG:900913'
- });
-
- // @namespace SVG; @section
- // There are several static functions which can be called without instantiating L.SVG:
-
- // @function create(name: String): SVGElement
- // Returns a instance of [SVGElement](https://developer.mozilla.org/docs/Web/API/SVGElement),
- // corresponding to the class name passed. For example, using 'line' will return
- // an instance of [SVGLineElement](https://developer.mozilla.org/docs/Web/API/SVGLineElement).
- function svgCreate(name) {
- return document.createElementNS('http://www.w3.org/2000/svg', name);
- }
-
- // @function pointsToPath(rings: Point[], closed: Boolean): String
- // Generates a SVG path string for multiple rings, with each ring turning
- // into "M..L..L.." instructions
- function pointsToPath(rings, closed) {
- var str = '',
- i, j, len, len2, points, p;
-
- for (i = 0, len = rings.length; i < len; i++) {
- points = rings[i];
-
- for (j = 0, len2 = points.length; j < len2; j++) {
- p = points[j];
- str += (j ? 'L' : 'M') + p.x + ' ' + p.y;
- }
-
- // closes the ring for polygons; "x" is VML syntax
- str += closed ? (Browser.svg ? 'z' : 'x') : '';
- }
-
- // SVG complains about empty path strings
- return str || 'M0 0';
- }
-
- /*
- * @namespace Browser
- * @aka L.Browser
- *
- * A namespace with static properties for browser/feature detection used by Leaflet internally.
- *
- * @example
- *
- * ```js
- * if (L.Browser.ielt9) {
- * alert('Upgrade your browser, dude!');
- * }
- * ```
- */
-
- var style = document.documentElement.style;
-
- // @property ie: Boolean; `true` for all Internet Explorer versions (not Edge).
- var ie = 'ActiveXObject' in window;
-
- // @property ielt9: Boolean; `true` for Internet Explorer versions less than 9.
- var ielt9 = ie && !document.addEventListener;
-
- // @property edge: Boolean; `true` for the Edge web browser.
- var edge = 'msLaunchUri' in navigator && !('documentMode' in document);
-
- // @property webkit: Boolean;
- // `true` for webkit-based browsers like Chrome and Safari (including mobile versions).
- var webkit = userAgentContains('webkit');
-
- // @property android: Boolean
- // **Deprecated.** `true` for any browser running on an Android platform.
- var android = userAgentContains('android');
-
- // @property android23: Boolean; **Deprecated.** `true` for browsers running on Android 2 or Android 3.
- var android23 = userAgentContains('android 2') || userAgentContains('android 3');
-
- /* See https://stackoverflow.com/a/17961266 for details on detecting stock Android */
- var webkitVer = parseInt(/WebKit\/([0-9]+)|$/.exec(navigator.userAgent)[1], 10); // also matches AppleWebKit
- // @property androidStock: Boolean; **Deprecated.** `true` for the Android stock browser (i.e. not Chrome)
- var androidStock = android && userAgentContains('Google') && webkitVer < 537 && !('AudioNode' in window);
-
- // @property opera: Boolean; `true` for the Opera browser
- var opera = !!window.opera;
-
- // @property chrome: Boolean; `true` for the Chrome browser.
- var chrome = !edge && userAgentContains('chrome');
-
- // @property gecko: Boolean; `true` for gecko-based browsers like Firefox.
- var gecko = userAgentContains('gecko') && !webkit && !opera && !ie;
-
- // @property safari: Boolean; `true` for the Safari browser.
- var safari = !chrome && userAgentContains('safari');
-
- var phantom = userAgentContains('phantom');
-
- // @property opera12: Boolean
- // `true` for the Opera browser supporting CSS transforms (version 12 or later).
- var opera12 = 'OTransition' in style;
-
- // @property win: Boolean; `true` when the browser is running in a Windows platform
- var win = navigator.platform.indexOf('Win') === 0;
-
- // @property ie3d: Boolean; `true` for all Internet Explorer versions supporting CSS transforms.
- var ie3d = ie && ('transition' in style);
-
- // @property webkit3d: Boolean; `true` for webkit-based browsers supporting CSS transforms.
- var webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23;
-
- // @property gecko3d: Boolean; `true` for gecko-based browsers supporting CSS transforms.
- var gecko3d = 'MozPerspective' in style;
-
- // @property any3d: Boolean
- // `true` for all browsers supporting CSS transforms.
- var any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d) && !opera12 && !phantom;
-
- // @property mobile: Boolean; `true` for all browsers running in a mobile device.
- var mobile = typeof orientation !== 'undefined' || userAgentContains('mobile');
-
- // @property mobileWebkit: Boolean; `true` for all webkit-based browsers in a mobile device.
- var mobileWebkit = mobile && webkit;
-
- // @property mobileWebkit3d: Boolean
- // `true` for all webkit-based browsers in a mobile device supporting CSS transforms.
- var mobileWebkit3d = mobile && webkit3d;
-
- // @property msPointer: Boolean
- // `true` for browsers implementing the Microsoft touch events model (notably IE10).
- var msPointer = !window.PointerEvent && window.MSPointerEvent;
-
- // @property pointer: Boolean
- // `true` for all browsers supporting [pointer events](https://msdn.microsoft.com/en-us/library/dn433244%28v=vs.85%29.aspx).
- var pointer = !!(window.PointerEvent || msPointer);
-
- // @property touchNative: Boolean
- // `true` for all browsers supporting [touch events](https://developer.mozilla.org/docs/Web/API/Touch_events).
- // **This does not necessarily mean** that the browser is running in a computer with
- // a touchscreen, it only means that the browser is capable of understanding
- // touch events.
- var touchNative = 'ontouchstart' in window || !!window.TouchEvent;
-
- // @property touch: Boolean
- // `true` for all browsers supporting either [touch](#browser-touch) or [pointer](#browser-pointer) events.
- // Note: pointer events will be preferred (if available), and processed for all `touch*` listeners.
- var touch = !window.L_NO_TOUCH && (touchNative || pointer);
-
- // @property mobileOpera: Boolean; `true` for the Opera browser in a mobile device.
- var mobileOpera = mobile && opera;
-
- // @property mobileGecko: Boolean
- // `true` for gecko-based browsers running in a mobile device.
- var mobileGecko = mobile && gecko;
-
- // @property retina: Boolean
- // `true` for browsers on a high-resolution "retina" screen or on any screen when browser's display zoom is more than 100%.
- var retina = (window.devicePixelRatio || (window.screen.deviceXDPI / window.screen.logicalXDPI)) > 1;
-
- // @property passiveEvents: Boolean
- // `true` for browsers that support passive events.
- var passiveEvents = (function () {
- var supportsPassiveOption = false;
- try {
- var opts = Object.defineProperty({}, 'passive', {
- get: function () { // eslint-disable-line getter-return
- supportsPassiveOption = true;
- }
- });
- window.addEventListener('testPassiveEventSupport', falseFn, opts);
- window.removeEventListener('testPassiveEventSupport', falseFn, opts);
- } catch (e) {
- // Errors can safely be ignored since this is only a browser support test.
- }
- return supportsPassiveOption;
- }());
-
- // @property canvas: Boolean
- // `true` when the browser supports [`