142 lines
4.5 KiB
JavaScript
142 lines
4.5 KiB
JavaScript
/**
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* Namespace: Util.OSM
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*/
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OpenLayers.Util.OSM = {};
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/**
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* Constant: MISSING_TILE_URL
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* {String} URL of image to display for missing tiles
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*/
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OpenLayers.Util.OSM.MISSING_TILE_URL = "http://openstreetmap.org/openlayers/img/404.png";
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/**
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* Property: originalOnImageLoadError
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* {Function} Original onImageLoadError function.
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*/
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OpenLayers.Util.OSM.originalOnImageLoadError = OpenLayers.Util.onImageLoadError;
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/**
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* Function: onImageLoadError
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*/
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OpenLayers.Util.onImageLoadError = function() {
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if (this.src.match(/^http:\/\/[abc]\.[a-z]+\.openstreetmap\.org\//)) {
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this.src = OpenLayers.Util.OSM.MISSING_TILE_URL;
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} else if (this.src.match(/^http:\/\/[def]\.tah\.openstreetmap\.org\//)) {
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// do nothing - this layer is transparent
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} else {
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OpenLayers.Util.OSM.originalOnImageLoadError;
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}
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};
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/**
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* Class: OpenLayers.Layer.OSM.Mapnik
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*
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* Inherits from:
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* - <OpenLayers.Layer.OSM>
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*/
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OpenLayers.Layer.OSM.Mapnik = OpenLayers.Class(OpenLayers.Layer.OSM, {
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/**
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* Constructor: OpenLayers.Layer.OSM.Mapnik
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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*/
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initialize: function(name, options) {
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var url = [
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"http://a.tile.openstreetmap.org/${z}/${x}/${y}.png",
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"http://b.tile.openstreetmap.org/${z}/${x}/${y}.png",
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"http://c.tile.openstreetmap.org/${z}/${x}/${y}.png"
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];
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options = OpenLayers.Util.extend({ numZoomLevels: 19 }, options);
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var newArguments = [name, url, options];
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OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
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},
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CLASS_NAME: "OpenLayers.Layer.OSM.Mapnik"
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});
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/**
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* Class: OpenLayers.Layer.OSM.Osmarender
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*
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* Inherits from:
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* - <OpenLayers.Layer.OSM>
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*/
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OpenLayers.Layer.OSM.Osmarender = OpenLayers.Class(OpenLayers.Layer.OSM, {
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/**
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* Constructor: OpenLayers.Layer.OSM.Osmarender
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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*/
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initialize: function(name, options) {
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var url = [
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"http://a.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png",
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"http://b.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png",
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"http://c.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png"
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];
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options = OpenLayers.Util.extend({ numZoomLevels: 18 }, options);
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var newArguments = [name, url, options];
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OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
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},
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CLASS_NAME: "OpenLayers.Layer.OSM.Osmarender"
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});
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/**
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* Class: OpenLayers.Layer.OSM.CycleMap
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*
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* Inherits from:
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* - <OpenLayers.Layer.OSM>
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*/
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OpenLayers.Layer.OSM.CycleMap = OpenLayers.Class(OpenLayers.Layer.OSM, {
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/**
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* Constructor: OpenLayers.Layer.OSM.CycleMap
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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*/
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initialize: function(name, options) {
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var url = [
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"http://a.andy.sandbox.cloudmade.com/tiles/cycle/${z}/${x}/${y}.png",
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"http://b.andy.sandbox.cloudmade.com/tiles/cycle/${z}/${x}/${y}.png",
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"http://c.andy.sandbox.cloudmade.com/tiles/cycle/${z}/${x}/${y}.png"
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];
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options = OpenLayers.Util.extend({ numZoomLevels: 19 }, options);
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var newArguments = [name, url, options];
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OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
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},
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CLASS_NAME: "OpenLayers.Layer.OSM.CycleMap"
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});
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/**
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* Class: OpenLayers.Layer.OSM.Maplint
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*
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* Inherits from:
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* - <OpenLayers.Layer.OSM>
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*/
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OpenLayers.Layer.OSM.Maplint = OpenLayers.Class(OpenLayers.Layer.OSM, {
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/**
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* Constructor: OpenLayers.Layer.OSM.Maplint
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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*/
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initialize: function(name, options) {
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var url = [
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"http://d.tah.openstreetmap.org/Tiles/maplint/${z}/${x}/${y}.png",
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"http://e.tah.openstreetmap.org/Tiles/maplint/${z}/${x}/${y}.png",
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"http://f.tah.openstreetmap.org/Tiles/maplint/${z}/${x}/${y}.png"
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];
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options = OpenLayers.Util.extend({ numZoomLevels: 18, isBaseLayer: false, visibility: false }, options);
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var newArguments = [name, url, options];
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OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
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},
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CLASS_NAME: "OpenLayers.Layer.OSM.Maplint"
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});
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