/** * Namespace: Util.OSM */ OpenLayers.Util.OSM = {}; /** * Constant: MISSING_TILE_URL * {String} URL of image to display for missing tiles */ OpenLayers.Util.OSM.MISSING_TILE_URL = "http://openstreetmap.org/openlayers/img/404.png"; /** * Property: originalOnImageLoadError * {Function} Original onImageLoadError function. */ OpenLayers.Util.OSM.originalOnImageLoadError = OpenLayers.Util.onImageLoadError; /** * Function: onImageLoadError */ OpenLayers.Util.onImageLoadError = function() { if (this.src.match(/^http:\/\/[abc]\.[a-z]+\.openstreetmap\.org\//)) { this.src = OpenLayers.Util.OSM.MISSING_TILE_URL; } else if (this.src.match(/^http:\/\/[def]\.tah\.openstreetmap\.org\//)) { // do nothing - this layer is transparent } else { OpenLayers.Util.OSM.originalOnImageLoadError; } }; var wl_balancers = ['a','b','c','d','e','f']; function get_balanced_urls(prefix, balancers, suffix) { var urls = []; for (i=0 ; i < balancers.length; i++) { urls.push(prefix + balancers[i] + suffix); }; return urls; }; /** * Class: OpenLayers.Layer.OSM.Mapnik * * Inherits from: * - */ OpenLayers.Layer.OSM.Mapnik = OpenLayers.Class(OpenLayers.Layer.OSM, { /** * Constructor: OpenLayers.Layer.OSM.Mapnik * * Parameters: * name - {String} * options - {Object} Hashtable of extra options to tag onto the layer */ initialize: function(name, options) { var url = get_balanced_urls('http://', wl_balancers, '.osmproxy.wirelessleiden.nl/heatmap/osm-proxy/${z}/${x},${y}.png'); options = OpenLayers.Util.extend({ numZoomLevels: 19 }, options); var newArguments = [name, url, options]; OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); }, CLASS_NAME: "OpenLayers.Layer.OSM.Mapnik" }); /** * Class: OpenLayers.Layer.OSM.Osmarender * * Inherits from: * - */ OpenLayers.Layer.OSM.Osmarender = OpenLayers.Class(OpenLayers.Layer.OSM, { /** * Constructor: OpenLayers.Layer.OSM.Osmarender * * Parameters: * name - {String} * options - {Object} Hashtable of extra options to tag onto the layer */ initialize: function(name, options) { var url = [ "http://a.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png", "http://b.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png", "http://c.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png" ]; options = OpenLayers.Util.extend({ numZoomLevels: 18 }, options); var newArguments = [name, url, options]; OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); }, CLASS_NAME: "OpenLayers.Layer.OSM.Osmarender" }); /** * Class: OpenLayers.Layer.OSM.CycleMap * * Inherits from: * - */ OpenLayers.Layer.OSM.CycleMap = OpenLayers.Class(OpenLayers.Layer.OSM, { /** * Constructor: OpenLayers.Layer.OSM.CycleMap * * Parameters: * name - {String} * options - {Object} Hashtable of extra options to tag onto the layer */ initialize: function(name, options) { var url = [ "http://a.andy.sandbox.cloudmade.com/tiles/cycle/${z}/${x}/${y}.png", "http://b.andy.sandbox.cloudmade.com/tiles/cycle/${z}/${x}/${y}.png", "http://c.andy.sandbox.cloudmade.com/tiles/cycle/${z}/${x}/${y}.png" ]; options = OpenLayers.Util.extend({ numZoomLevels: 19 }, options); var newArguments = [name, url, options]; OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); }, CLASS_NAME: "OpenLayers.Layer.OSM.CycleMap" }); /** * Class: OpenLayers.Layer.OSM.Maplint * * Inherits from: * - */ OpenLayers.Layer.OSM.Maplint = OpenLayers.Class(OpenLayers.Layer.OSM, { /** * Constructor: OpenLayers.Layer.OSM.Maplint * * Parameters: * name - {String} * options - {Object} Hashtable of extra options to tag onto the layer */ initialize: function(name, options) { var url = [ "http://d.tah.openstreetmap.org/Tiles/maplint/${z}/${x}/${y}.png", "http://e.tah.openstreetmap.org/Tiles/maplint/${z}/${x}/${y}.png", "http://f.tah.openstreetmap.org/Tiles/maplint/${z}/${x}/${y}.png" ]; options = OpenLayers.Util.extend({ numZoomLevels: 21, isBaseLayer: false, visibility: false }, options); var newArguments = [name, url, options]; OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); }, CLASS_NAME: "OpenLayers.Layer.OSM.Maplint" }); /** * Gheat layer */ OpenLayers.Layer.OSM.Overlay1 = OpenLayers.Class(OpenLayers.Layer.OSM, { initialize: function(name, options) { var url = [ "/gheat/classic/${z}/${x},${y}.png" ]; options = OpenLayers.Util.extend({ numZoomLevels: 21 }, options); var newArguments = [name, url, options]; OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); }, colour: "0,0,0", CLASS_NAME: "OpenLayers.Layer.Overlay" }); /** * All accespoints */ OpenLayers.Layer.OSM.Overlay2 = OpenLayers.Class(OpenLayers.Layer.OSM, { initialize: function(name, options) { var url = get_balanced_urls('http://', wl_balancers, '.maps.wirelessleiden.nl/wlheatmap/tile/${z}/${x},${y}.png?colour=90,90,90'); options = OpenLayers.Util.extend({ numZoomLevels: 21 }, options); var newArguments = [name, url, options]; OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); }, colour: "90,90,90", CLASS_NAME: "OpenLayers.Layer.Overlay" }); /** * Wireless Leiden nodes */ OpenLayers.Layer.OSM.Overlay3 = OpenLayers.Class(OpenLayers.Layer.OSM, { initialize: function(name, options) { var url = get_balanced_urls('http://', wl_balancers, '.maps.wirelessleiden.nl/wlheatmap/tile/${z}/${x},${y}.png?colour=255,0,0&accespoint__ssid__icontains=WirelessLeiden'); options = OpenLayers.Util.extend({ numZoomLevels: 21 }, options); var newArguments = [name, url, options]; OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); }, colour: "255,0,0", CLASS_NAME: "OpenLayers.Layer.Overlay" }); /** * Signal strength */ OpenLayers.Layer.OSM.Overlay4 = OpenLayers.Class(OpenLayers.Layer.OSM, { initialize: function(name, options) { var url = get_balanced_urls('http://', wl_balancers, '.maps.wirelessleiden.nl/wlheatmap/tile/${z}/${x},${y}.png?colour=50,150,50&signaal__gte=0&signaal__lte=100'); options = OpenLayers.Util.extend({ numZoomLevels: 21 }, options); var newArguments = [name, url, options]; OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); }, colour: "50,150,50", CLASS_NAME: "OpenLayers.Layer.Overlay" });