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Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Layer/KaMapCache.js')
-rw-r--r-- | misc/openlayers/lib/OpenLayers/Layer/KaMapCache.js | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Layer/KaMapCache.js b/misc/openlayers/lib/OpenLayers/Layer/KaMapCache.js deleted file mode 100644 index be6bdb0..0000000 --- a/misc/openlayers/lib/OpenLayers/Layer/KaMapCache.js +++ /dev/null @@ -1,143 +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 - * @requires OpenLayers/Layer/KaMap.js - */ - -/** - * Class: OpenLayers.Layer.KaMapCache - * - * This class is designed to talk directly to a web-accessible ka-Map - * cache generated by the precache2.php script. - * - * To create a a new KaMapCache layer, you must indicate also the "i" parameter - * (that will be used to calculate the file extension), and another special - * parameter, object names "metaTileSize", with "h" (height) and "w" (width) - * properties. - * - * // Create a new kaMapCache layer. - * var kamap_base = new OpenLayers.Layer.KaMapCache( - * "Satellite", - * "http://www.example.org/web/acessible/cache", - * {g: "satellite", map: "world", i: 'png24', metaTileSize: {w: 5, h: 5} } - * ); - * - * // Create an kaMapCache overlay layer (using "isBaseLayer: false"). - * // Forces the output to be a "gif", using the "i" parameter. - * var kamap_overlay = new OpenLayers.Layer.KaMapCache( - * "Streets", - * "http://www.example.org/web/acessible/cache", - * {g: "streets", map: "world", i: "gif", metaTileSize: {w: 5, h: 5} }, - * {isBaseLayer: false} - * ); - * - * The cache URLs must look like: - * var/cache/World/50000/Group_Name/def/t-440320/l20480 - * - * This means that the cache generated via tile.php will *not* work with - * this class, and should instead use the KaMap layer. - * - * More information is available in Ticket #1518. - * - * Inherits from: - * - <OpenLayers.Layer.KaMap> - * - <OpenLayers.Layer.Grid> - */ -OpenLayers.Layer.KaMapCache = OpenLayers.Class(OpenLayers.Layer.KaMap, { - - /** - * Constant: IMAGE_EXTENSIONS - * {Object} Simple hash map to convert format to extension. - */ - IMAGE_EXTENSIONS: { - 'jpeg': 'jpg', - 'gif' : 'gif', - 'png' : 'png', - 'png8' : 'png', - 'png24' : 'png', - 'dithered' : 'png' - }, - - /** - * Constant: DEFAULT_FORMAT - * {Object} Simple hash map to convert format to extension. - */ - DEFAULT_FORMAT: 'jpeg', - - /** - * Constructor: OpenLayers.Layer.KaMapCache - * - * Parameters: - * name - {String} - * url - {String} - * params - {Object} Parameters to be sent to the HTTP server in the - * query string for the tile. The format can be set via the 'i' - * parameter (defaults to jpg) , and the map should be set via - * the 'map' parameter. It has been reported that ka-Map may behave - * inconsistently if your format parameter does not match the format - * parameter configured in your config.php. (See ticket #327 for more - * information.) - * options - {Object} Additional options for the layer. Any of the - * APIProperties listed on this layer, and any layer types it - * extends, can be overridden through the options parameter. - */ - initialize: function(name, url, params, options) { - OpenLayers.Layer.KaMap.prototype.initialize.apply(this, arguments); - this.extension = this.IMAGE_EXTENSIONS[this.params.i.toLowerCase() || this.DEFAULT_FORMAT]; - }, - - /** - * 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) { - bounds = this.adjustBounds(bounds); - var mapRes = this.map.getResolution(); - var scale = Math.round((this.map.getScale() * 10000)) / 10000; - var pX = Math.round(bounds.left / mapRes); - var pY = -Math.round(bounds.top / mapRes); - - var metaX = Math.floor(pX / this.tileSize.w / this.params.metaTileSize.w) * this.tileSize.w * this.params.metaTileSize.w; - var metaY = Math.floor(pY / this.tileSize.h / this.params.metaTileSize.h) * this.tileSize.h * this.params.metaTileSize.h; - - var components = [ - "/", - this.params.map, - "/", - scale, - "/", - this.params.g.replace(/\s/g, '_'), - "/def/t", - metaY, - "/l", - metaX, - "/t", - pY, - "l", - pX, - ".", - this.extension - ]; - - var url = this.url; - - if (OpenLayers.Util.isArray(url)) { - url = this.selectUrl(components.join(''), url); - } - return url + components.join(""); - }, - - CLASS_NAME: "OpenLayers.Layer.KaMapCache" -}); |