PAL.C.T MINI SHELL
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* 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://www.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;
}
};
/**
* Class: OpenLayers.Layer.OSM.Mapnik
*
* Inherits from:
* - <OpenLayers.Layer.OSM>
*/
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 = [
"http://a.tile.openstreetmap.org/${z}/${x}/${y}.png",
"http://b.tile.openstreetmap.org/${z}/${x}/${y}.png",
"http://c.tile.openstreetmap.org/${z}/${x}/${y}.png"
];
options = OpenLayers.Util.extend({
numZoomLevels: 19,
buffer: 0,
transitionEffect: "resize"
}, options);
var newArguments = [name, url, options];
OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
},
CLASS_NAME: "OpenLayers.Layer.OSM.Mapnik"
});
/**
* Class: OpenLayers.Layer.OSM.Osmarender
*
* Inherits from:
* - <OpenLayers.Layer.OSM>
*/
OpenLayers.Layer.OSM.Osmarender = OpenLayers.Class(OpenLayers.Layer.OSM, {
/**
* Constructor: OpenLayers.Layer.OSM.Osmarender
*
* Parameters:
* name - {String}
* options - {Object} Hashtable of extra options to tag onto the layer
*/
initialize: function(name, options) {
var url = [
"http://a.tah.openstreetmap.org/Tiles/tile/${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,
buffer: 0,
transitionEffect: "resize"
}, 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>
*/
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.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png",
"http://b.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png",
"http://c.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png"
];
options = OpenLayers.Util.extend({
numZoomLevels: 19,
buffer: 0,
transitionEffect: "resize"
}, options);
var newArguments = [name, url, options];
OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
},
CLASS_NAME: "OpenLayers.Layer.OSM.CycleMap"
});
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