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diff --git a/misc/openlayers/lib/OpenLayers/Layer/WorldWind.js b/misc/openlayers/lib/OpenLayers/Layer/WorldWind.js
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--- a/misc/openlayers/lib/OpenLayers/Layer/WorldWind.js
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-/* 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.WorldWind
- *
- * Inherits from:
- * - <OpenLayers.Layer.Grid>
- */
-OpenLayers.Layer.WorldWind = OpenLayers.Class(OpenLayers.Layer.Grid, {
-
- DEFAULT_PARAMS: {
- },
-
- /**
- * APIProperty: isBaseLayer
- * {Boolean} WorldWind layer is a base layer by default.
- */
- isBaseLayer: true,
-
- /**
- * APIProperty: lzd
- * {Float} LevelZeroTileSizeDegrees
- */
- lzd: null,
-
- /**
- * APIProperty: zoomLevels
- * {Integer} Number of zoom levels.
- */
- zoomLevels: null,
-
- /**
- * Constructor: OpenLayers.Layer.WorldWind
- *
- * Parameters:
- * name - {String} Name of Layer
- * url - {String} Base URL
- * lzd - {Float} Level zero tile size degrees
- * zoomLevels - {Integer} number of zoom levels
- * params - {Object} additional parameters
- * options - {Object} additional options
- */
- initialize: function(name, url, lzd, zoomLevels, params, options) {
- this.lzd = lzd;
- this.zoomLevels = zoomLevels;
- var newArguments = [];
- newArguments.push(name, url, params, options);
- OpenLayers.Layer.Grid.prototype.initialize.apply(this, newArguments);
- this.params = OpenLayers.Util.applyDefaults(
- this.params, this.DEFAULT_PARAMS
- );
- },
-
- /**
- * Method: getZoom
- * Convert map zoom to WW zoom.
- */
- getZoom: function () {
- var zoom = this.map.getZoom();
- var extent = this.map.getMaxExtent();
- zoom = zoom - Math.log(this.maxResolution / (this.lzd/512))/Math.log(2);
- return zoom;
- },
-
- /**
- * 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 zoom = this.getZoom();
- var extent = this.map.getMaxExtent();
- var deg = this.lzd/Math.pow(2,this.getZoom());
- var x = Math.floor((bounds.left - extent.left)/deg);
- var y = Math.floor((bounds.bottom - extent.bottom)/deg);
- if (this.map.getResolution() <= (this.lzd/512)
- && this.getZoom() <= this.zoomLevels) {
- return this.getFullRequestString(
- { L: zoom,
- X: x,
- Y: y
- });
- } else {
- return OpenLayers.Util.getImageLocation("blank.gif");
- }
-
- },
-
- CLASS_NAME: "OpenLayers.Layer.WorldWind"
-});