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Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Layer/XYZ.js')
| -rw-r--r-- | misc/openlayers/lib/OpenLayers/Layer/XYZ.js | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Layer/XYZ.js b/misc/openlayers/lib/OpenLayers/Layer/XYZ.js deleted file mode 100644 index 5af5ce3..0000000 --- a/misc/openlayers/lib/OpenLayers/Layer/XYZ.js +++ /dev/null @@ -1,172 +0,0 @@ -/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for - * full list of contributors). Published under the 2-clause BSD license. - * See license.txt in the OpenLayers distribution or repository for the - * full text of the license. */ - -/** - * @requires OpenLayers/Layer/Grid.js - */ - -/** - * Class: OpenLayers.Layer.XYZ - * The XYZ class is designed to make it easier for people who have tiles - * arranged by a standard XYZ grid. - * - * Inherits from: - * - <OpenLayers.Layer.Grid> - */ -OpenLayers.Layer.XYZ = OpenLayers.Class(OpenLayers.Layer.Grid, { - - /** - * APIProperty: isBaseLayer - * Default is true, as this is designed to be a base tile source. - */ - isBaseLayer: true, - - /** - * APIProperty: sphericalMercator - * Whether the tile extents should be set to the defaults for - * spherical mercator. Useful for things like OpenStreetMap. - * Default is false, except for the OSM subclass. - */ - sphericalMercator: false, - - /** - * APIProperty: zoomOffset - * {Number} If your cache has more zoom levels than you want to provide - * access to with this layer, supply a zoomOffset. This zoom offset - * is added to the current map zoom level to determine the level - * for a requested tile. For example, if you supply a zoomOffset - * of 3, when the map is at the zoom 0, tiles will be requested from - * level 3 of your cache. Default is 0 (assumes cache level and map - * zoom are equivalent). Using <zoomOffset> is an alternative to - * setting <serverResolutions> if you only want to expose a subset - * of the server resolutions. - */ - zoomOffset: 0, - - /** - * APIProperty: serverResolutions - * {Array} A list of all resolutions available on the server. Only set this - * property if the map resolutions differ from the server. This - * property serves two purposes. (a) <serverResolutions> can include - * resolutions that the server supports and that you don't want to - * provide with this layer; you can also look at <zoomOffset>, which is - * an alternative to <serverResolutions> for that specific purpose. - * (b) The map can work with resolutions that aren't supported by - * the server, i.e. that aren't in <serverResolutions>. When the - * map is displayed in such a resolution data for the closest - * server-supported resolution is loaded and the layer div is - * stretched as necessary. - */ - serverResolutions: null, - - /** - * Constructor: OpenLayers.Layer.XYZ - * - * Parameters: - * name - {String} - * url - {String} - * options - {Object} Hashtable of extra options to tag onto the layer - */ - initialize: function(name, url, options) { - if (options && options.sphericalMercator || this.sphericalMercator) { - options = OpenLayers.Util.extend({ - projection: "EPSG:900913", - numZoomLevels: 19 - }, options); - } - OpenLayers.Layer.Grid.prototype.initialize.apply(this, [ - name || this.name, url || this.url, {}, options - ]); - }, - - /** - * APIMethod: clone - * Create a clone of this layer - * - * Parameters: - * obj - {Object} Is this ever used? - * - * Returns: - * {<OpenLayers.Layer.XYZ>} An exact clone of this OpenLayers.Layer.XYZ - */ - clone: function (obj) { - - if (obj == null) { - obj = new OpenLayers.Layer.XYZ(this.name, - this.url, - this.getOptions()); - } - - //get all additions from superclasses - obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]); - - return obj; - }, - - /** - * Method: getURL - * - * Parameters: - * bounds - {<OpenLayers.Bounds>} - * - * Returns: - * {String} A string with the layer's url and parameters and also the - * passed-in bounds and appropriate tile size specified as - * parameters - */ - getURL: function (bounds) { - var xyz = this.getXYZ(bounds); - var url = this.url; - if (OpenLayers.Util.isArray(url)) { - var s = '' + xyz.x + xyz.y + xyz.z; - url = this.selectUrl(s, url); - } - - return OpenLayers.String.format(url, xyz); - }, - - /** - * Method: getXYZ - * Calculates x, y and z for the given bounds. - * - * Parameters: - * bounds - {<OpenLayers.Bounds>} - * - * Returns: - * {Object} - an object with x, y and z properties. - */ - getXYZ: function(bounds) { - var res = this.getServerResolution(); - var x = Math.round((bounds.left - this.maxExtent.left) / - (res * this.tileSize.w)); - var y = Math.round((this.maxExtent.top - bounds.top) / - (res * this.tileSize.h)); - var z = this.getServerZoom(); - - if (this.wrapDateLine) { - var limit = Math.pow(2, z); - x = ((x % limit) + limit) % limit; - } - - return {'x': x, 'y': y, 'z': z}; - }, - - /* APIMethod: setMap - * When the layer is added to a map, then we can fetch our origin - * (if we don't have one.) - * - * Parameters: - * map - {<OpenLayers.Map>} - */ - setMap: function(map) { - OpenLayers.Layer.Grid.prototype.setMap.apply(this, arguments); - if (!this.tileOrigin) { - this.tileOrigin = new OpenLayers.LonLat(this.maxExtent.left, - this.maxExtent.bottom); - } - }, - - CLASS_NAME: "OpenLayers.Layer.XYZ" -}); |