Adding jquery, flot and openlayers to be included with the GEM.v0.0.4

33 files changed, 10663 insertions, 0 deletions

diff --git a/misc/openlayers/lib/OpenLayers/Layer/ArcGIS93Rest.js b/misc/openlayers/lib/OpenLayers/Layer/ArcGIS93Rest.js
new file mode 100644
index 0000000..c5bac36
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/ArcGIS93Rest.js
@@ -0,0 +1,225 @@
+/* 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.ArcGIS93Rest
+ * Instances of OpenLayers.Layer.ArcGIS93Rest are used to display data from
+ *     ESRI ArcGIS Server 9.3 (and up?) Mapping Services using the REST API.
+ *     Create a new ArcGIS93Rest layer with the <OpenLayers.Layer.ArcGIS93Rest>
+ *     constructor.  More detail on the REST API is available at
+ *     http://sampleserver1.arcgisonline.com/ArcGIS/SDK/REST/index.html ;
+ *     specifically, the URL provided to this layer should be an export service
+ *     URL: http://sampleserver1.arcgisonline.com/ArcGIS/SDK/REST/export.html 
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.ArcGIS93Rest = OpenLayers.Class(OpenLayers.Layer.Grid, {
+
+    /**
+     * Constant: DEFAULT_PARAMS
+     * {Object} Hashtable of default parameter key/value pairs 
+     */
+    DEFAULT_PARAMS: { 
+      format: "png"
+    },
+        
+    /**
+     * APIProperty: isBaseLayer
+     * {Boolean} Default is true for ArcGIS93Rest layer
+     */
+    isBaseLayer: true,
+ 
+ 
+    /**
+     * Constructor: OpenLayers.Layer.ArcGIS93Rest
+     * Create a new ArcGIS93Rest layer object.
+     *
+     * Example:
+     * (code)
+     * var arcims = new OpenLayers.Layer.ArcGIS93Rest("MyName",
+     *                                    "http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StateCityHighway_USA/MapServer/export", 
+     *                                    {
+     *                                      layers: "0,1,2"
+     *                                    });
+     * (end)
+     *
+     * Parameters:
+     * name - {String} A name for the layer
+     * url - {String} Base url for the ArcGIS server REST service
+     * options - {Object} An object with key/value pairs representing the
+     *                    options and option values.
+     *
+     * Valid Options:
+     *        format - {String} MIME type of desired image type.
+     *        layers - {String} Comma-separated list of layers to display.
+     *        srs - {String} Projection ID.
+     */
+    initialize: function(name, url, params, options) {
+        var newArguments = [];
+        //uppercase params
+        params = OpenLayers.Util.upperCaseObject(params);
+        newArguments.push(name, url, params, options);
+        OpenLayers.Layer.Grid.prototype.initialize.apply(this, newArguments);
+        OpenLayers.Util.applyDefaults(
+                       this.params, 
+                       OpenLayers.Util.upperCaseObject(this.DEFAULT_PARAMS)
+                       );
+                       
+        //layer is transparent        
+        if (this.params.TRANSPARENT && 
+            this.params.TRANSPARENT.toString().toLowerCase() == "true") {
+            
+            // unless explicitly set in options, make layer an overlay
+            if ( (options == null) || (!options.isBaseLayer) ) {
+                this.isBaseLayer = false;
+            } 
+            
+            // jpegs can never be transparent, so intelligently switch the 
+            //  format, depending on the browser's capabilities
+            if (this.params.FORMAT == "jpg") {
+                this.params.FORMAT = OpenLayers.Util.alphaHack() ? "gif"
+                                                                 : "png";
+            }
+        }
+    },    
+
+    /**
+         * Method: clone
+         * Create a clone of this layer
+         *
+         * Returns:
+         * {<OpenLayers.Layer.ArcGIS93Rest>} An exact clone of this layer
+         */
+    clone: function (obj) {
+        
+        if (obj == null) {
+            obj = new OpenLayers.Layer.ArcGIS93Rest(this.name,
+                                           this.url,
+                                           this.params,
+                                           this.getOptions());
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+
+        return obj;
+    },
+    
+    
+    /**
+     * Method: getURL
+     * Return an image url this layer.
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>} A bounds representing the bbox for the
+     *                                request.
+     *
+     * Returns:
+     * {String} A string with the map image's url.
+     */
+    getURL: function (bounds) {
+        bounds = this.adjustBounds(bounds);
+
+        // ArcGIS Server only wants the numeric portion of the projection ID.
+        var projWords = this.projection.getCode().split(":");
+        var srid = projWords[projWords.length - 1];
+
+        var imageSize = this.getImageSize(); 
+        var newParams = {
+            'BBOX': bounds.toBBOX(),
+            'SIZE': imageSize.w + "," + imageSize.h,
+            // We always want image, the other options were json, image with a whole lotta html around it, etc.
+            'F': "image",
+            'BBOXSR': srid,
+            'IMAGESR': srid
+        };
+
+        // Now add the filter parameters.
+        if (this.layerDefs) {
+            var layerDefStrList = [];
+            var layerID;
+            for(layerID in this.layerDefs) {
+                if (this.layerDefs.hasOwnProperty(layerID)) {
+                    if (this.layerDefs[layerID]) {
+                        layerDefStrList.push(layerID);
+                        layerDefStrList.push(":");
+                        layerDefStrList.push(this.layerDefs[layerID]);
+                        layerDefStrList.push(";");
+                    }
+                }
+            }
+            if (layerDefStrList.length > 0) {
+                newParams['LAYERDEFS'] = layerDefStrList.join("");
+            }
+        }
+        var requestString = this.getFullRequestString(newParams);
+        return requestString;
+    },
+    
+    /**
+     * Method: setLayerFilter
+     * addTile creates a tile, initializes it, and adds it to the layer div. 
+     *
+     * Parameters:
+     * id - {String} The id of the layer to which the filter applies.
+     * queryDef - {String} A sql-ish query filter, for more detail see the ESRI
+     *                     documentation at http://sampleserver1.arcgisonline.com/ArcGIS/SDK/REST/export.html
+     */
+    setLayerFilter: function ( id, queryDef ) {
+        if (!this.layerDefs) {
+            this.layerDefs = {};
+        }
+        if (queryDef) {
+            this.layerDefs[id] = queryDef;
+        } else {
+            delete this.layerDefs[id];
+        }
+    },
+    
+    /**
+     * Method: clearLayerFilter
+     * Clears layer filters, either from a specific layer,
+     * or all of them.
+     *
+     * Parameters:
+     * id - {String} The id of the layer from which to remove any
+     *               filter.  If unspecified/blank, all filters
+     *               will be removed.
+     */
+    clearLayerFilter: function ( id ) {
+        if (id) {
+            delete this.layerDefs[id];
+        } else {
+            delete this.layerDefs;
+        }
+    },
+    
+    /**
+     * APIMethod: mergeNewParams
+     * Catch changeParams and uppercase the new params to be merged in
+     *     before calling changeParams on the super class.
+     * 
+     *     Once params have been changed, the tiles will be reloaded with
+     *     the new parameters.
+     * 
+     * Parameters:
+     * newParams - {Object} Hashtable of new params to use
+     */
+    mergeNewParams:function(newParams) {
+        var upperParams = OpenLayers.Util.upperCaseObject(newParams);
+        var newArguments = [upperParams];
+        return OpenLayers.Layer.Grid.prototype.mergeNewParams.apply(this, 
+                                                             newArguments);
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.ArcGIS93Rest"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/ArcGISCache.js b/misc/openlayers/lib/OpenLayers/Layer/ArcGISCache.js
new file mode 100644
index 0000000..99f7dda
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/ArcGISCache.js
@@ -0,0 +1,480 @@
+/* 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/XYZ.js
+ */ 
+
+/** 
+ * Class: OpenLayers.Layer.ArcGISCache   
+ * Layer for accessing cached map tiles from an ArcGIS Server style mapcache. 
+ * Tile must already be cached for this layer to access it. This does not require 
+ * ArcGIS Server itself.
+ * 
+ * A few attempts have been made at this kind of layer before. See 
+ * http://trac.osgeo.org/openlayers/ticket/1967 
+ * and 
+ * http://trac.osgeo.org/openlayers/browser/sandbox/tschaub/arcgiscache/lib/OpenLayers/Layer/ArcGISCache.js
+ *
+ * Typically the problem encountered is that the tiles seem to "jump around".
+ * This is due to the fact that the actual max extent for the tiles on AGS layers
+ * changes at each zoom level due to the way these caches are constructed.
+ * We have attempted to use the resolutions, tile size, and tile origin
+ * from the cache meta data to make the appropriate changes to the max extent
+ * of the tile to compensate for this behavior.  This must be done as zoom levels change
+ * and before tiles are requested, which is why methods from base classes are overridden.
+ *
+ * For reference, you can access mapcache meta data in two ways. For accessing a 
+ * mapcache through ArcGIS Server, you can simply go to the landing page for the
+ * layer. (ie. http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer)
+ * For accessing it directly through HTTP, there should always be a conf.xml file
+ * in the root directory. 
+ * (ie. http://serverx.esri.com/arcgiscache/DG_County_roads_yesA_backgroundDark/Layers/conf.xml)
+ *  
+ *Inherits from: 
+ *  - <OpenLayers.Layer.XYZ>             
+ */    
+OpenLayers.Layer.ArcGISCache = OpenLayers.Class(OpenLayers.Layer.XYZ, {  
+
+    /**
+     * APIProperty: url
+     * {String | Array} The base URL for the layer cache.  You can also
+     *     provide a list of URL strings for the layer if your cache is
+     *     available from multiple origins.  This must be set before the layer
+     *     is drawn.
+     */
+    url: null,
+    
+   /**
+    * APIProperty: tileOrigin
+    * {<OpenLayers.LonLat>} The location of the tile origin for the cache.
+    *     An ArcGIS cache has it's origin at the upper-left (lowest x value
+    *     and highest y value of the coordinate system).  The units for the
+    *     tile origin should be the same as the units for the cached data.
+    */
+    tileOrigin: null, 
+   
+   /**
+    * APIProperty: tileSize
+    * {<OpenLayers.Size>} This size of each tile. Defaults to 256 by 256 pixels.
+    */
+    tileSize: new OpenLayers.Size(256, 256),
+    
+   /**
+    * APIProperty: useAGS
+    * {Boolean} Indicates if we are going to be accessing the ArcGIS Server (AGS)
+    *     cache via an AGS MapServer or directly through HTTP. When accessing via
+    *     AGS the path structure uses a standard z/y/x structure. But AGS actually
+    *     stores the tile images on disk using a hex based folder structure that looks
+    *     like "http://example.com/mylayer/L00/R00000000/C00000000.png".  Learn more
+    *     about this here:
+    *     http://blogs.esri.com/Support/blogs/mappingcenter/archive/2010/08/20/Checking-Your-Local-Cache-Folders.aspx
+    *     Defaults to true;
+    */    
+    useArcGISServer: true,
+
+   /**
+    * APIProperty: type
+    * {String} Image type for the layer.  This becomes the filename extension
+    *     in tile requests.  Default is "png" (generating a url like
+    *     "http://example.com/mylayer/L00/R00000000/C00000000.png").
+    */
+    type: 'png',
+    
+    /**
+    * APIProperty: useScales
+    * {Boolean} Optional override to indicate that the layer should use 'scale' information
+    *     returned from the server capabilities object instead of 'resolution' information.
+    *     This can be important if your tile server uses an unusual DPI for the tiles.
+    */
+    useScales: false,
+    
+   /**
+    * APIProperty: overrideDPI
+    * {Boolean} Optional override to change the OpenLayers.DOTS_PER_INCH setting based 
+    *     on the tile information in the server capabilities object.  This can be useful 
+    *     if your server has a non-standard DPI setting on its tiles, and you're only using 
+    *     tiles with that DPI.  This value is used while OpenLayers is calculating resolution
+    *     using scales, and is not necessary if you have resolution information. (This is
+    *     typically the case)  Regardless, this setting can be useful, but is dangerous
+    *     because it will impact other layers while calculating resolution.  Only use this
+    *     if you know what you are doing.  (See OpenLayers.Util.getResolutionFromScale)
+    */
+    overrideDPI: false,
+    
+   /**
+    * Constructor: OpenLayers.Layer.ArcGISCache 
+    * Creates a new instance of this class 
+    * 
+    * Parameters: 
+    * name - {String} 
+    * url - {String} 
+    * options - {Object} extra layer options
+    */ 
+    initialize: function(name, url, options) { 
+        OpenLayers.Layer.XYZ.prototype.initialize.apply(this, arguments);
+
+        if (this.resolutions) {        
+            this.serverResolutions = this.resolutions;
+            this.maxExtent = this.getMaxExtentForResolution(this.resolutions[0]);
+        }
+
+        // this block steps through translating the values from the server layer JSON 
+        // capabilities object into values that we can use.  This is also a helpful
+        // reference when configuring this layer directly.
+        if (this.layerInfo) {
+            // alias the object
+            var info = this.layerInfo;
+            
+            // build our extents
+            var startingTileExtent = new OpenLayers.Bounds(
+                info.fullExtent.xmin, 
+                info.fullExtent.ymin, 
+                info.fullExtent.xmax, 
+                info.fullExtent.ymax  
+            );
+
+            // set our projection based on the given spatial reference.
+            // esri uses slightly different IDs, so this may not be comprehensive
+            this.projection = 'EPSG:' + info.spatialReference.wkid;
+            this.sphericalMercator = (info.spatialReference.wkid == 102100);
+            
+            // convert esri units into openlayers units (basic feet or meters only)
+            this.units = (info.units == "esriFeet") ? 'ft' : 'm';
+
+            // optional extended section based on whether or not the server returned
+            // specific tile information
+            if (!!info.tileInfo) {            
+                // either set the tiles based on rows/columns, or specific width/height
+                this.tileSize = new OpenLayers.Size(
+                    info.tileInfo.width || info.tileInfo.cols, 
+                    info.tileInfo.height || info.tileInfo.rows
+                );
+                
+                // this must be set when manually configuring this layer
+                this.tileOrigin = new OpenLayers.LonLat(
+                    info.tileInfo.origin.x, 
+                    info.tileInfo.origin.y
+                );
+
+                var upperLeft = new OpenLayers.Geometry.Point(
+                    startingTileExtent.left, 
+                    startingTileExtent.top
+                );
+                
+                var bottomRight = new OpenLayers.Geometry.Point(
+                    startingTileExtent.right, 
+                    startingTileExtent.bottom
+                );            
+                
+                if (this.useScales) {
+                    this.scales = [];
+                } else {
+                    this.resolutions = [];
+                }
+                
+                this.lods = [];
+                for(var key in info.tileInfo.lods) {
+                    if (info.tileInfo.lods.hasOwnProperty(key)) {
+                        var lod = info.tileInfo.lods[key];
+                        if (this.useScales) {
+                            this.scales.push(lod.scale);
+                        } else {
+                            this.resolutions.push(lod.resolution);
+                        }
+                    
+                        var start = this.getContainingTileCoords(upperLeft, lod.resolution);
+                        lod.startTileCol = start.x;
+                        lod.startTileRow = start.y;
+                    
+                        var end = this.getContainingTileCoords(bottomRight, lod.resolution);
+                        lod.endTileCol = end.x;
+                        lod.endTileRow = end.y;    
+                        this.lods.push(lod);
+                    }
+                }
+
+                this.maxExtent = this.calculateMaxExtentWithLOD(this.lods[0]);
+                this.serverResolutions = this.resolutions;
+                if (this.overrideDPI && info.tileInfo.dpi) {
+                    // see comment above for 'overrideDPI'
+                    OpenLayers.DOTS_PER_INCH = info.tileInfo.dpi;
+                }
+            } 
+       }
+    }, 
+
+   /** 
+    * Method: getContainingTileCoords
+    * Calculates the x/y pixel corresponding to the position of the tile
+    *     that contains the given point and for the for the given resolution.
+    * 
+    * Parameters:
+    * point - {<OpenLayers.Geometry.Point>} 
+    * res - {Float} The resolution for which to compute the extent.
+    * 
+    * Returns: 
+    * {<OpenLayers.Pixel>} The x/y pixel corresponding to the position 
+    * of the upper left tile for the given resolution.
+    */
+    getContainingTileCoords: function(point, res) {
+        return new OpenLayers.Pixel(
+           Math.max(Math.floor((point.x - this.tileOrigin.lon) / (this.tileSize.w * res)),0),
+           Math.max(Math.floor((this.tileOrigin.lat - point.y) / (this.tileSize.h * res)),0)
+        );
+    },
+    
+   /** 
+    * Method: calculateMaxExtentWithLOD
+    * Given a Level of Detail object from the server, this function
+    *     calculates the actual max extent
+    * 
+    * Parameters: 
+    * lod - {Object} a Level of Detail Object from the server capabilities object 
+            representing a particular zoom level
+    * 
+    * Returns: 
+    * {<OpenLayers.Bounds>} The actual extent of the tiles for the given zoom level
+    */
+   calculateMaxExtentWithLOD: function(lod) {
+        // the max extent we're provided with just overlaps some tiles
+        // our real extent is the bounds of all the tiles we touch
+
+        var numTileCols = (lod.endTileCol - lod.startTileCol) + 1;
+        var numTileRows = (lod.endTileRow - lod.startTileRow) + 1;        
+
+        var minX = this.tileOrigin.lon + (lod.startTileCol * this.tileSize.w * lod.resolution);
+        var maxX = minX + (numTileCols * this.tileSize.w * lod.resolution);
+
+        var maxY = this.tileOrigin.lat - (lod.startTileRow * this.tileSize.h * lod.resolution);
+        var minY = maxY - (numTileRows * this.tileSize.h * lod.resolution);
+        return new OpenLayers.Bounds(minX, minY, maxX, maxY);
+   },
+    
+   /** 
+    * Method: calculateMaxExtentWithExtent
+    * Given a 'suggested' max extent from the server, this function uses
+    *     information about the actual tile sizes to determine the actual
+    *     extent of the layer.
+    * 
+    * Parameters: 
+    * extent - {<OpenLayers.Bounds>} The 'suggested' extent for the layer
+    * res - {Float} The resolution for which to compute the extent.
+    * 
+    * Returns: 
+    * {<OpenLayers.Bounds>} The actual extent of the tiles for the given zoom level
+    */
+   calculateMaxExtentWithExtent: function(extent, res) {
+        var upperLeft = new OpenLayers.Geometry.Point(extent.left, extent.top);
+        var bottomRight = new OpenLayers.Geometry.Point(extent.right, extent.bottom);
+        var start = this.getContainingTileCoords(upperLeft, res);
+        var end = this.getContainingTileCoords(bottomRight, res);
+        var lod = {
+            resolution: res,
+            startTileCol: start.x,
+            startTileRow: start.y,
+            endTileCol: end.x,
+            endTileRow: end.y
+        };
+        return this.calculateMaxExtentWithLOD(lod);
+   },
+    
+    /** 
+    * Method: getUpperLeftTileCoord
+    * Calculates the x/y pixel corresponding to the position 
+    *     of the upper left tile for the given resolution.
+    * 
+    * Parameters: 
+    * res - {Float} The resolution for which to compute the extent.
+    * 
+    * Returns: 
+    * {<OpenLayers.Pixel>} The x/y pixel corresponding to the position 
+    * of the upper left tile for the given resolution.
+    */
+    getUpperLeftTileCoord: function(res) {
+        var upperLeft = new OpenLayers.Geometry.Point(
+            this.maxExtent.left,
+            this.maxExtent.top);
+        return this.getContainingTileCoords(upperLeft, res);
+    },
+
+    /** 
+    * Method: getLowerRightTileCoord
+    * Calculates the x/y pixel corresponding to the position 
+    *     of the lower right tile for the given resolution.
+    *  
+    * Parameters: 
+    * res - {Float} The resolution for which to compute the extent.
+    * 
+    * Returns: 
+    * {<OpenLayers.Pixel>} The x/y pixel corresponding to the position
+    * of the lower right tile for the given resolution.
+    */
+    getLowerRightTileCoord: function(res) {
+        var bottomRight = new OpenLayers.Geometry.Point(
+            this.maxExtent.right,
+            this.maxExtent.bottom);
+        return this.getContainingTileCoords(bottomRight, res);
+    },
+    
+   /** 
+    * Method: getMaxExtentForResolution
+    * Since the max extent of a set of tiles can change from zoom level
+    *     to zoom level, we need to be able to calculate that max extent 
+    *     for a given resolution.
+    *
+    * Parameters: 
+    * res - {Float} The resolution for which to compute the extent.
+    * 
+    * Returns: 
+    * {<OpenLayers.Bounds>} The extent for this resolution
+    */ 
+    getMaxExtentForResolution: function(res) {
+        var start = this.getUpperLeftTileCoord(res);
+        var end = this.getLowerRightTileCoord(res);
+
+        var numTileCols = (end.x - start.x) + 1;
+        var numTileRows = (end.y - start.y) + 1;
+
+        var minX = this.tileOrigin.lon + (start.x * this.tileSize.w * res);
+        var maxX = minX + (numTileCols * this.tileSize.w * res);
+        
+        var maxY = this.tileOrigin.lat - (start.y * this.tileSize.h * res);
+        var minY = maxY - (numTileRows * this.tileSize.h * res);
+        return new OpenLayers.Bounds(minX, minY, maxX, maxY);
+    },
+    
+   /** 
+    * APIMethod: clone 
+    * Returns an exact clone of this OpenLayers.Layer.ArcGISCache
+    * 
+    * Parameters: 
+    * [obj] - {Object} optional object to assign the cloned instance to.
+    *  
+    * Returns: 
+    * {<OpenLayers.Layer.ArcGISCache>} clone of this instance 
+    */ 
+    clone: function (obj) { 
+        if (obj == null) { 
+            obj = new OpenLayers.Layer.ArcGISCache(this.name, this.url, this.options);
+        }
+        return OpenLayers.Layer.XYZ.prototype.clone.apply(this, [obj]);
+    },
+
+    /**
+     * Method: initGriddedTiles
+     * 
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     */
+    initGriddedTiles: function(bounds) {
+        delete this._tileOrigin;
+        OpenLayers.Layer.XYZ.prototype.initGriddedTiles.apply(this, arguments);
+    },
+    
+    /**
+     * Method: getMaxExtent
+     * Get this layer's maximum extent.
+     *
+     * Returns:
+     * {<OpenLayers.Bounds>}
+     */
+    getMaxExtent: function() {
+        var resolution = this.map.getResolution();
+        return this.maxExtent = this.getMaxExtentForResolution(resolution);
+    },
+
+    /**
+     * Method: getTileOrigin
+     * Determine the origin for aligning the grid of tiles.  
+     *     The origin will be derived from the layer's <maxExtent> property. 
+     *
+     * Returns:
+     * {<OpenLayers.LonLat>} The tile origin.
+     */
+    getTileOrigin: function() {
+        if (!this._tileOrigin) {
+            var extent = this.getMaxExtent();
+            this._tileOrigin = new OpenLayers.LonLat(extent.left, extent.bottom);
+        }
+        return this._tileOrigin;
+    },
+
+   /**
+    * Method: getURL
+    * Determine the URL for a tile given the tile bounds.  This is should support
+    *     urls that access tiles through an ArcGIS Server MapServer or directly through
+    *     the hex folder structure using HTTP.  Just be sure to set the useArcGISServer
+    *     property appropriately!  This is basically the same as 
+    *     'OpenLayers.Layer.TMS.getURL',  but with the addition of hex addressing,
+    *     and tile rounding.
+    *
+    * Parameters:
+    * bounds - {<OpenLayers.Bounds>}
+    *
+    * Returns:
+    * {String} The URL for a tile based on given bounds.
+    */
+    getURL: function (bounds) {
+        var res = this.getResolution(); 
+
+        // tile center
+        var originTileX = (this.tileOrigin.lon + (res * this.tileSize.w/2)); 
+        var originTileY = (this.tileOrigin.lat - (res * this.tileSize.h/2));
+
+        var center = bounds.getCenterLonLat();
+        var point = { x: center.lon, y: center.lat };
+        var x = (Math.round(Math.abs((center.lon - originTileX) / (res * this.tileSize.w)))); 
+        var y = (Math.round(Math.abs((originTileY - center.lat) / (res * this.tileSize.h)))); 
+        var z = this.map.getZoom();
+
+        // this prevents us from getting pink tiles (non-existant tiles)
+        if (this.lods) {        
+            var lod = this.lods[this.map.getZoom()];
+            if ((x < lod.startTileCol || x > lod.endTileCol) 
+                || (y < lod.startTileRow || y > lod.endTileRow)) {
+                    return null;
+            }
+        }
+        else {
+            var start = this.getUpperLeftTileCoord(res);
+            var end = this.getLowerRightTileCoord(res);
+            if ((x < start.x || x >= end.x)
+                || (y < start.y || y >= end.y)) {
+                    return null;
+            }        
+        }
+
+        // Construct the url string
+        var url = this.url;
+        var s = '' + x + y + z;
+
+        if (OpenLayers.Util.isArray(url)) {
+            url = this.selectUrl(s, url);
+        }
+
+        // Accessing tiles through ArcGIS Server uses a different path
+        // structure than direct access via the folder structure.
+        if (this.useArcGISServer) {
+            // AGS MapServers have pretty url access to tiles
+            url = url + '/tile/${z}/${y}/${x}';
+        } else {
+            // The tile images are stored using hex values on disk.
+            x = 'C' + OpenLayers.Number.zeroPad(x, 8, 16);
+            y = 'R' + OpenLayers.Number.zeroPad(y, 8, 16);
+            z = 'L' + OpenLayers.Number.zeroPad(z, 2, 10);
+            url = url + '/${z}/${y}/${x}.' + this.type;
+        }
+
+        // Write the values into our formatted url
+        url = OpenLayers.String.format(url, {'x': x, 'y': y, 'z': z});
+
+        return OpenLayers.Util.urlAppend(
+            url, OpenLayers.Util.getParameterString(this.params)
+        );
+    },
+
+    CLASS_NAME: 'OpenLayers.Layer.ArcGISCache' 
+}); 
diff --git a/misc/openlayers/lib/OpenLayers/Layer/ArcIMS.js b/misc/openlayers/lib/OpenLayers/Layer/ArcIMS.js
new file mode 100644
index 0000000..e19584c
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/ArcIMS.js
@@ -0,0 +1,425 @@
+/* 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/Format/ArcXML.js
+ * @requires OpenLayers/Request.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.ArcIMS
+ * Instances of OpenLayers.Layer.ArcIMS are used to display data from ESRI ArcIMS
+ *     Mapping Services. Create a new ArcIMS layer with the <OpenLayers.Layer.ArcIMS>
+ *     constructor.
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.ArcIMS = OpenLayers.Class(OpenLayers.Layer.Grid, {
+
+    /**
+     * Constant: DEFAULT_PARAMS
+     * {Object} Default query string parameters.
+     */
+    DEFAULT_PARAMS: { 
+        ClientVersion: "9.2",
+        ServiceName: ''
+    },
+    
+    /**
+     * APIProperty: featureCoordSys
+     * {String} Code for feature coordinate system.  Default is "4326".
+     */
+    featureCoordSys: "4326",
+    
+    /**
+     * APIProperty: filterCoordSys
+     * {String} Code for filter coordinate system.  Default is "4326".
+     */
+    filterCoordSys: "4326",
+    
+    /**
+     * APIProperty: layers
+     * {Array} An array of objects with layer properties.
+     */
+    layers: null,
+    
+    /**
+     * APIProperty: async
+     * {Boolean} Request images asynchronously.  Default is true.
+     */
+    async: true,
+    
+    /**
+     * APIProperty: name
+     * {String} Layer name.  Default is "ArcIMS".
+     */
+    name: "ArcIMS",
+
+    /**
+     * APIProperty: isBaseLayer
+     * {Boolean} The layer is a base layer.  Default is true.
+     */
+    isBaseLayer: true,
+
+    /**
+     * Constant: DEFAULT_OPTIONS
+     * {Object} Default layers properties.
+     */
+    DEFAULT_OPTIONS: {
+        tileSize: new OpenLayers.Size(512, 512),
+        featureCoordSys: "4326",
+        filterCoordSys: "4326",
+        layers: null,
+        isBaseLayer: true,
+        async: true,
+        name: "ArcIMS"
+    }, 
+ 
+    /**
+     * Constructor: OpenLayers.Layer.ArcIMS
+     * Create a new ArcIMS layer object.
+     *
+     * Example:
+     * (code)
+     * var arcims = new OpenLayers.Layer.ArcIMS(
+     *     "Global Sample",
+     *     "http://sample.avencia.com/servlet/com.esri.esrimap.Esrimap", 
+     *     {
+     *         service: "OpenLayers_Sample", 
+     *         layers: [
+     *             // layers to manipulate
+     *             {id: "1", visible: true}
+     *         ]
+     *     }
+     * );
+     * (end)
+     *
+     * Parameters:
+     * name - {String} A name for the layer
+     * url - {String} Base url for the ArcIMS server
+     * options - {Object} Optional object with properties to be set on the
+     *     layer.
+     */
+    initialize: function(name, url, options) {
+        
+        this.tileSize = new OpenLayers.Size(512, 512);
+
+        // parameters
+        this.params = OpenLayers.Util.applyDefaults(
+            {ServiceName: options.serviceName},
+            this.DEFAULT_PARAMS
+        );
+        this.options = OpenLayers.Util.applyDefaults(
+            options, this.DEFAULT_OPTIONS
+        );
+          
+        OpenLayers.Layer.Grid.prototype.initialize.apply(
+            this, [name, url, this.params, options]
+        );
+
+        //layer is transparent        
+        if (this.transparent) {
+            
+            // unless explicitly set in options, make layer an overlay
+            if (!this.isBaseLayer) {
+                this.isBaseLayer = false;
+            } 
+            
+            // jpegs can never be transparent, so intelligently switch the 
+            //  format, depending on the browser's capabilities
+            if (this.format == "image/jpeg") {
+                this.format = OpenLayers.Util.alphaHack() ? "image/gif" : "image/png";
+            }
+        }
+
+        // create an empty layer list if no layers specified in the options
+        if (this.options.layers === null) {
+            this.options.layers = [];
+        }
+    },    
+
+    /**
+     * Method: getURL
+     * Return an image url this layer.
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>} A bounds representing the bbox for the
+     *     request.
+     *
+     * Returns:
+     * {String} A string with the map image's url.
+     */
+    getURL: function(bounds) {
+        var url = "";
+        bounds = this.adjustBounds(bounds);
+        
+        // create an arcxml request to generate the image
+        var axlReq = new OpenLayers.Format.ArcXML( 
+            OpenLayers.Util.extend(this.options, {
+                requesttype: "image",
+                envelope: bounds.toArray(),
+                tileSize: this.tileSize
+            })
+        );
+        
+        // create a synchronous ajax request to get an arcims image
+        var req = new OpenLayers.Request.POST({
+            url: this.getFullRequestString(),
+            data: axlReq.write(),
+            async: false
+        });
+        
+        // if the response exists
+        if (req != null) {
+            var doc = req.responseXML;
+
+            if (!doc || !doc.documentElement) {            
+                doc = req.responseText;
+            }
+
+            // create a new arcxml format to read the response
+            var axlResp = new OpenLayers.Format.ArcXML();
+            var arcxml = axlResp.read(doc);
+            url = this.getUrlOrImage(arcxml.image.output);
+        }
+        
+        return url;
+    },
+    
+    
+    /**
+     * Method: getURLasync
+     * Get an image url this layer asynchronously, and execute a callback
+     *     when the image url is generated.
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>} A bounds representing the bbox for the
+     *     request.
+     * callback - {Function} Function to call when image url is retrieved.
+     * scope - {Object} The scope of the callback method.
+     */
+    getURLasync: function(bounds, callback, scope) {
+        bounds = this.adjustBounds(bounds);
+        
+        // create an arcxml request to generate the image
+        var axlReq = new OpenLayers.Format.ArcXML(  
+            OpenLayers.Util.extend(this.options, { 
+                requesttype: "image",
+                envelope: bounds.toArray(),
+                tileSize: this.tileSize
+            })
+        );
+        
+        // create an asynchronous ajax request to get an arcims image
+        OpenLayers.Request.POST({
+            url: this.getFullRequestString(),
+            async: true,
+            data: axlReq.write(),
+            callback: function(req) {
+                // process the response from ArcIMS, and call the callback function
+                // to set the image URL
+                var doc = req.responseXML;
+                if (!doc || !doc.documentElement) {            
+                    doc = req.responseText;
+                }
+
+                // create a new arcxml format to read the response
+                var axlResp = new OpenLayers.Format.ArcXML();
+                var arcxml = axlResp.read(doc);
+                
+                callback.call(scope, this.getUrlOrImage(arcxml.image.output));
+            },
+            scope: this
+        });
+    },
+    
+    /**
+     * Method: getUrlOrImage
+     * Extract a url or image from the ArcXML image output.
+     *
+     * Parameters:
+     * output - {Object} The image.output property of the object returned from
+     *     the ArcXML format read method.
+     *
+     * Returns:
+     * {String} A URL for an image (potentially with the data protocol).
+     */
+    getUrlOrImage: function(output) {
+        var ret = "";
+        if(output.url) {
+            // If the image response output url is a string, then the image
+            // data is not inline.
+            ret = output.url;
+        } else if(output.data) {
+            // The image data is inline and base64 encoded, create a data
+            // url for the image.  This will only work for small images,
+            // due to browser url length limits.
+            ret = "data:image/" + output.type + 
+                  ";base64," + output.data;
+        }
+        return ret;
+    },
+    
+    /**
+     * Method: setLayerQuery
+     * Set the query definition on this layer. Query definitions are used to
+     *     render parts of the spatial data in an image, and can be used to
+     *     filter features or layers in the ArcIMS service.
+     *
+     * Parameters:
+     * id - {String} The ArcIMS layer ID.
+     * querydef - {Object} The query definition to apply to this layer.
+     */
+    setLayerQuery: function(id, querydef) {
+        // find the matching layer, if it exists
+        for (var lyr = 0; lyr < this.options.layers.length; lyr++) {
+            if (id == this.options.layers[lyr].id) {
+                // replace this layer definition
+                this.options.layers[lyr].query = querydef;
+                return;
+            }
+        }
+      
+        // no layer found, create a new definition
+        this.options.layers.push({id: id, visible: true, query: querydef});
+    },
+    
+    /**
+     * Method: getFeatureInfo
+     * Get feature information from ArcIMS.  Using the applied geometry, apply
+     *     the options to the query (buffer, area/envelope intersection), and
+     *     query the ArcIMS service.
+     *
+     * A note about accuracy:
+     * ArcIMS interprets the accuracy attribute in feature requests to be
+     *     something like the 'modulus' operator on feature coordinates,
+     *     applied to the database geometry of the feature.  It doesn't round,
+     *     so your feature coordinates may be up to (1 x accuracy) offset from
+     *     the actual feature coordinates.  If the accuracy of the layer is not
+     *     specified, the accuracy will be computed to be approximately 1
+     *     feature coordinate per screen  pixel.
+     *
+     * Parameters:
+     * geometry - {<OpenLayers.LonLat>} or {<OpenLayers.Geometry.Polygon>} The
+     *     geometry to use when making the query. This should be a closed
+     *     polygon for behavior approximating a free selection.
+     * layer - {Object} The ArcIMS layer definition. This is an anonymous object
+     *     that looks like:
+     * (code)
+     * {
+     *     id: "ArcXML layer ID",  // the ArcXML layer ID
+     *     query: {
+     *         where: "STATE = 'PA'",  // the where clause of the query
+     *         accuracy: 100           // the accuracy of the returned feature
+     *     }
+     * }
+     * (end)
+     * options - {Object} Object with non-default properties to set on the layer.
+     *     Supported properties are buffer, callback, scope, and any other
+     *     properties applicable to the ArcXML format.  Set the 'callback' and
+     *     'scope' for an object and function to recieve the parsed features
+     *     from ArcIMS.
+     */
+    getFeatureInfo: function(geometry, layer, options) {
+        // set the buffer to 1 unit (dd/m/ft?) by default
+        var buffer = options.buffer || 1;
+        // empty callback by default
+        var callback = options.callback || function() {};
+        // default scope is window (global)
+        var scope = options.scope || window;
+
+        // apply these option to the request options
+        var requestOptions = {};
+        OpenLayers.Util.extend(requestOptions, this.options);
+
+        // this is a feature request
+        requestOptions.requesttype = "feature";
+
+        if (geometry instanceof OpenLayers.LonLat) {
+            // create an envelope if the geometry is really a lon/lat
+            requestOptions.polygon = null;
+            requestOptions.envelope = [ 
+                geometry.lon - buffer, 
+                geometry.lat - buffer,
+                geometry.lon + buffer,
+                geometry.lat + buffer
+            ];
+        } else if (geometry instanceof OpenLayers.Geometry.Polygon) {
+            // use the polygon assigned, and empty the envelope
+            requestOptions.envelope = null;
+            requestOptions.polygon = geometry;
+        }
+      
+        // create an arcxml request to get feature requests
+        var arcxml = new OpenLayers.Format.ArcXML(requestOptions);
+
+        // apply any get feature options to the arcxml request
+        OpenLayers.Util.extend(arcxml.request.get_feature, options);
+
+        arcxml.request.get_feature.layer = layer.id;
+        if (typeof layer.query.accuracy == "number") {
+            // set the accuracy if it was specified
+            arcxml.request.get_feature.query.accuracy = layer.query.accuracy;
+        } else {
+            // guess that the accuracy is 1 per screen pixel
+            var mapCenter = this.map.getCenter();
+            var viewPx = this.map.getViewPortPxFromLonLat(mapCenter);
+            viewPx.x++;
+            var mapOffCenter = this.map.getLonLatFromPixel(viewPx);
+            arcxml.request.get_feature.query.accuracy = mapOffCenter.lon - mapCenter.lon;
+        }
+        
+        // set the get_feature query to be the same as the layer passed in
+        arcxml.request.get_feature.query.where = layer.query.where;
+        
+        // use area_intersection
+        arcxml.request.get_feature.query.spatialfilter.relation = "area_intersection";
+      
+        // create a new asynchronous request to get the feature info
+        OpenLayers.Request.POST({
+            url: this.getFullRequestString({'CustomService': 'Query'}),
+            data: arcxml.write(),
+            callback: function(request) {
+                // parse the arcxml response
+                var response = arcxml.parseResponse(request.responseText);
+                
+                if (!arcxml.iserror()) {
+                    // if the arcxml is not an error, call the callback with the features parsed
+                    callback.call(scope, response.features);
+                } else {
+                    // if the arcxml is an error, return null features selected
+                    callback.call(scope, null);
+                }
+            }
+        });
+    },
+
+    /**
+     * Method: clone
+     * Create a clone of this layer
+     *
+     * Returns:
+     * {<OpenLayers.Layer.ArcIMS>} An exact clone of this layer
+     */
+    clone: function (obj) {
+
+        if (obj == null) {
+            obj = new OpenLayers.Layer.ArcIMS(this.name,
+                                           this.url,
+                                           this.getOptions());
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+
+        return obj;
+    },
+    
+    CLASS_NAME: "OpenLayers.Layer.ArcIMS"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Bing.js b/misc/openlayers/lib/OpenLayers/Layer/Bing.js
new file mode 100644
index 0000000..0615285
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Bing.js
@@ -0,0 +1,333 @@
+/* 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/XYZ.js
+ */
+
+/** 
+ * Class: OpenLayers.Layer.Bing
+ * Bing layer using direct tile access as provided by Bing Maps REST Services.
+ * See http://msdn.microsoft.com/en-us/library/ff701713.aspx for more
+ * information. Note: Terms of Service compliant use requires the map to be
+ * configured with an <OpenLayers.Control.Attribution> control and the
+ * attribution placed on or near the map.
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.XYZ>
+ */
+OpenLayers.Layer.Bing = OpenLayers.Class(OpenLayers.Layer.XYZ, {
+
+    /**
+     * Property: key
+     * {String} API key for Bing maps, get your own key 
+     *     at http://bingmapsportal.com/ .
+     */
+    key: null,
+
+    /**
+     * Property: serverResolutions
+     * {Array} the resolutions provided by the Bing servers.
+     */
+    serverResolutions: [
+        156543.03390625, 78271.516953125, 39135.7584765625,
+        19567.87923828125, 9783.939619140625, 4891.9698095703125,
+        2445.9849047851562, 1222.9924523925781, 611.4962261962891,
+        305.74811309814453, 152.87405654907226, 76.43702827453613,
+        38.218514137268066, 19.109257068634033, 9.554628534317017,
+        4.777314267158508, 2.388657133579254, 1.194328566789627,
+        0.5971642833948135, 0.29858214169740677, 0.14929107084870338,
+        0.07464553542435169
+    ],
+    
+    /**
+     * Property: attributionTemplate
+     * {String}
+     */
+    attributionTemplate: '<span class="olBingAttribution ${type}">' +
+         '<div><a target="_blank" href="http://www.bing.com/maps/">' +
+         '<img src="${logo}" /></a></div>${copyrights}' +
+         '<a style="white-space: nowrap" target="_blank" '+
+         'href="http://www.microsoft.com/maps/product/terms.html">' +
+         'Terms of Use</a></span>',
+
+    /**
+     * Property: metadata
+     * {Object} Metadata for this layer, as returned by the callback script
+     */
+    metadata: null,
+
+    /**
+     * Property: protocolRegex
+     * {RegExp} Regular expression to match and replace http: in bing urls
+     */
+    protocolRegex: /^http:/i,
+    
+    /**
+     * APIProperty: type
+     * {String} The layer identifier.  Any non-birdseye imageryType
+     *     from http://msdn.microsoft.com/en-us/library/ff701716.aspx can be
+     *     used.  Default is "Road".
+     */
+    type: "Road",
+    
+    /**
+     * APIProperty: culture
+     * {String} The culture identifier.  See http://msdn.microsoft.com/en-us/library/ff701709.aspx
+     * for the definition and the possible values.  Default is "en-US".
+     */
+    culture: "en-US",
+    
+    /**
+     * APIProperty: metadataParams
+     * {Object} Optional url parameters for the Get Imagery Metadata request
+     * as described here: http://msdn.microsoft.com/en-us/library/ff701716.aspx
+     */
+    metadataParams: null,
+
+    /** APIProperty: tileOptions
+     *  {Object} optional configuration options for <OpenLayers.Tile> instances
+     *  created by this Layer. Default is
+     *
+     *  (code)
+     *  {crossOriginKeyword: 'anonymous'}
+     *  (end)
+     */
+    tileOptions: null,
+
+    /** APIProperty: protocol
+     *  {String} Protocol to use to fetch Imagery Metadata, tiles and bing logo
+     *  Can be 'http:' 'https:' or ''
+     *
+     *  Warning: tiles may not be available under both HTTP and HTTPS protocols.
+     *  Microsoft approved use of both HTTP and HTTPS urls for tiles. However
+     *  this is undocumented and the Imagery Metadata API always returns HTTP
+     *  urls.
+     *
+     *  Default is '', unless when executed from a file:/// uri, in which case
+     *  it is 'http:'.
+     */
+    protocol: ~window.location.href.indexOf('http') ? '' : 'http:',
+
+    /**
+     * Constructor: OpenLayers.Layer.Bing
+     * Create a new Bing layer.
+     *
+     * Example:
+     * (code)
+     * var road = new OpenLayers.Layer.Bing({
+     *     name: "My Bing Aerial Layer",
+     *     type: "Aerial",
+     *     key: "my-api-key-here",
+     * });
+     * (end)
+     *
+     * Parameters:
+     * options - {Object} Configuration properties for the layer.
+     *
+     * Required configuration properties:
+     * key - {String} Bing Maps API key for your application. Get one at
+     *     http://bingmapsportal.com/.
+     * type - {String} The layer identifier.  Any non-birdseye imageryType
+     *     from http://msdn.microsoft.com/en-us/library/ff701716.aspx can be
+     *     used.
+     *
+     * Any other documented layer properties can be provided in the config object.
+     */
+    initialize: function(options) {
+        options = OpenLayers.Util.applyDefaults({
+            sphericalMercator: true
+        }, options);
+        var name = options.name || "Bing " + (options.type || this.type);
+        
+        var newArgs = [name, null, options];
+        OpenLayers.Layer.XYZ.prototype.initialize.apply(this, newArgs);
+        this.tileOptions = OpenLayers.Util.extend({
+            crossOriginKeyword: 'anonymous'
+        }, this.options.tileOptions);
+        this.loadMetadata(); 
+    },
+
+    /**
+     * Method: loadMetadata
+     */
+    loadMetadata: function() {
+        this._callbackId = "_callback_" + this.id.replace(/\./g, "_");
+        // link the processMetadata method to the global scope and bind it
+        // to this instance
+        window[this._callbackId] = OpenLayers.Function.bind(
+            OpenLayers.Layer.Bing.processMetadata, this
+        );
+        var params = OpenLayers.Util.applyDefaults({
+            key: this.key,
+            jsonp: this._callbackId,
+            include: "ImageryProviders"
+        }, this.metadataParams);
+        var url = this.protocol + "//dev.virtualearth.net/REST/v1/Imagery/Metadata/" +
+            this.type + "?" + OpenLayers.Util.getParameterString(params);
+        var script = document.createElement("script");
+        script.type = "text/javascript";
+        script.src = url;
+        script.id = this._callbackId;
+        document.getElementsByTagName("head")[0].appendChild(script);
+    },
+    
+    /**
+     * Method: initLayer
+     *
+     * Sets layer properties according to the metadata provided by the API
+     */
+    initLayer: function() {
+        var res = this.metadata.resourceSets[0].resources[0];
+        var url = res.imageUrl.replace("{quadkey}", "${quadkey}");
+        url = url.replace("{culture}", this.culture);
+        url = url.replace(this.protocolRegex, this.protocol);
+        this.url = [];
+        for (var i=0; i<res.imageUrlSubdomains.length; ++i) {
+            this.url.push(url.replace("{subdomain}", res.imageUrlSubdomains[i]));
+        }
+        this.addOptions({
+            maxResolution: Math.min(
+                this.serverResolutions[res.zoomMin],
+                this.maxResolution || Number.POSITIVE_INFINITY
+            ),
+            numZoomLevels: Math.min(
+                res.zoomMax + 1 - res.zoomMin, this.numZoomLevels
+            )
+        }, true);
+        if (!this.isBaseLayer) {
+            this.redraw();
+        }
+        this.updateAttribution();
+    },
+    
+    /**
+     * Method: getURL
+     *
+     * Paramters:
+     * bounds - {<OpenLayers.Bounds>}
+     */
+    getURL: function(bounds) {
+        if (!this.url) {
+            return;
+        }
+        var xyz = this.getXYZ(bounds), x = xyz.x, y = xyz.y, z = xyz.z;
+        var quadDigits = [];
+        for (var i = z; i > 0; --i) {
+            var digit = '0';
+            var mask = 1 << (i - 1);
+            if ((x & mask) != 0) {
+                digit++;
+            }
+            if ((y & mask) != 0) {
+                digit++;
+                digit++;
+            }
+            quadDigits.push(digit);
+        }
+        var quadKey = quadDigits.join("");
+        var url = this.selectUrl('' + x + y + z, this.url);
+
+        return OpenLayers.String.format(url, {'quadkey': quadKey});
+    },
+    
+    /**
+     * Method: updateAttribution
+     * Updates the attribution according to the requirements outlined in
+     * http://gis.638310.n2.nabble.com/Bing-imagery-td5789168.html
+     */
+    updateAttribution: function() {
+        var metadata = this.metadata;
+        if (!metadata.resourceSets || !this.map || !this.map.center) {
+            return;
+        }
+        var res = metadata.resourceSets[0].resources[0];
+        var extent = this.map.getExtent().transform(
+            this.map.getProjectionObject(),
+            new OpenLayers.Projection("EPSG:4326")
+        );
+        var providers = res.imageryProviders || [],
+            zoom = OpenLayers.Util.indexOf(this.serverResolutions,
+                                           this.getServerResolution()),
+            copyrights = "", provider, i, ii, j, jj, bbox, coverage;
+        for (i=0,ii=providers.length; i<ii; ++i) {
+            provider = providers[i];
+            for (j=0,jj=provider.coverageAreas.length; j<jj; ++j) {
+                coverage = provider.coverageAreas[j];
+                // axis order provided is Y,X
+                bbox = OpenLayers.Bounds.fromArray(coverage.bbox, true);
+                if (extent.intersectsBounds(bbox) &&
+                        zoom <= coverage.zoomMax && zoom >= coverage.zoomMin) {
+                    copyrights += provider.attribution + " ";
+                }
+            }
+        }
+        var logo = metadata.brandLogoUri.replace(this.protocolRegex, this.protocol);
+        this.attribution = OpenLayers.String.format(this.attributionTemplate, {
+            type: this.type.toLowerCase(),
+            logo: logo,
+            copyrights: copyrights
+        });
+        this.map && this.map.events.triggerEvent("changelayer", {
+            layer: this,
+            property: "attribution"
+        });
+    },
+    
+    /**
+     * Method: setMap
+     */
+    setMap: function() {
+        OpenLayers.Layer.XYZ.prototype.setMap.apply(this, arguments);
+        this.map.events.register("moveend", this, this.updateAttribution);
+    },
+    
+    /**
+     * APIMethod: clone
+     * 
+     * Parameters:
+     * obj - {Object}
+     * 
+     * Returns:
+     * {<OpenLayers.Layer.Bing>} An exact clone of this <OpenLayers.Layer.Bing>
+     */
+    clone: function(obj) {
+        if (obj == null) {
+            obj = new OpenLayers.Layer.Bing(this.options);
+        }
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.XYZ.prototype.clone.apply(this, [obj]);
+        // copy/set any non-init, non-simple values here
+        return obj;
+    },
+    
+    /**
+     * Method: destroy
+     */
+    destroy: function() {
+        this.map &&
+            this.map.events.unregister("moveend", this, this.updateAttribution);
+        OpenLayers.Layer.XYZ.prototype.destroy.apply(this, arguments);
+    },
+    
+    CLASS_NAME: "OpenLayers.Layer.Bing"
+});
+
+/**
+ * Function: OpenLayers.Layer.Bing.processMetadata
+ * This function will be bound to an instance, linked to the global scope with
+ * an id, and called by the JSONP script returned by the API.
+ *
+ * Parameters:
+ * metadata - {Object} metadata as returned by the API
+ */
+OpenLayers.Layer.Bing.processMetadata = function(metadata) {
+    this.metadata = metadata;
+    this.initLayer();
+    var script = document.getElementById(this._callbackId);
+    script.parentNode.removeChild(script);
+    window[this._callbackId] = undefined; // cannot delete from window in IE
+    delete this._callbackId;
+};
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Boxes.js b/misc/openlayers/lib/OpenLayers/Layer/Boxes.js
new file mode 100644
index 0000000..7cd605a
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Boxes.js
@@ -0,0 +1,76 @@
+/* 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.js
+ * @requires OpenLayers/Layer/Markers.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.Boxes
+ * Draw divs as 'boxes' on the layer. 
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.Markers>
+ */
+OpenLayers.Layer.Boxes = OpenLayers.Class(OpenLayers.Layer.Markers, {
+
+    /**
+     * Constructor: OpenLayers.Layer.Boxes
+     *
+     * Parameters:
+     * name - {String} 
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    
+    /**
+     * Method: drawMarker 
+     * Calculate the pixel location for the marker, create it, and
+     *    add it to the layer's div
+     *
+     * Parameters: 
+     * marker - {<OpenLayers.Marker.Box>} 
+     */
+    drawMarker: function(marker) {
+        var topleft = this.map.getLayerPxFromLonLat({
+            lon: marker.bounds.left,
+            lat: marker.bounds.top
+        });
+        var botright = this.map.getLayerPxFromLonLat({
+            lon: marker.bounds.right,
+            lat: marker.bounds.bottom
+        });
+        if (botright == null || topleft == null) {
+            marker.display(false);
+        } else {
+            var markerDiv = marker.draw(topleft, {
+                w: Math.max(1, botright.x - topleft.x),
+                h: Math.max(1, botright.y - topleft.y)
+            });
+            if (!marker.drawn) {
+                this.div.appendChild(markerDiv);
+                marker.drawn = true;
+            }
+        }
+    },
+
+
+    /**
+     * APIMethod: removeMarker 
+     * 
+     * Parameters:
+     * marker - {<OpenLayers.Marker.Box>} 
+     */
+    removeMarker: function(marker) {
+        OpenLayers.Util.removeItem(this.markers, marker);
+        if ((marker.div != null) &&
+            (marker.div.parentNode == this.div) ) {
+            this.div.removeChild(marker.div);    
+        }
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.Boxes"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/EventPane.js b/misc/openlayers/lib/OpenLayers/Layer/EventPane.js
new file mode 100644
index 0000000..15a852f
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/EventPane.js
@@ -0,0 +1,441 @@
+/* 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.js
+ * @requires OpenLayers/Util.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.EventPane
+ * Base class for 3rd party layers, providing a DOM element which isolates
+ * the 3rd-party layer from mouse events.
+ * Only used by Google layers.
+ *
+ * Automatically instantiated by the Google constructor, and not usually instantiated directly.
+ *
+ * Create a new event pane layer with the
+ * <OpenLayers.Layer.EventPane> constructor.
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer>
+ */
+OpenLayers.Layer.EventPane = OpenLayers.Class(OpenLayers.Layer, {
+    
+    /**
+     * APIProperty: smoothDragPan
+     * {Boolean} smoothDragPan determines whether non-public/internal API
+     *     methods are used for better performance while dragging EventPane 
+     *     layers. When not in sphericalMercator mode, the smoother dragging 
+     *     doesn't actually move north/south directly with the number of 
+     *     pixels moved, resulting in a slight offset when you drag your mouse 
+     *     north south with this option on. If this visual disparity bothers 
+     *     you, you should turn this option off, or use spherical mercator. 
+     *     Default is on.
+     */
+    smoothDragPan: true,
+
+    /**
+     * Property: isBaseLayer
+     * {Boolean} EventPaned layers are always base layers, by necessity.
+     */ 
+    isBaseLayer: true,
+
+    /**
+     * APIProperty: isFixed
+     * {Boolean} EventPaned layers are fixed by default.
+     */ 
+    isFixed: true,
+
+    /**
+     * Property: pane
+     * {DOMElement} A reference to the element that controls the events.
+     */
+    pane: null,
+
+
+    /**
+     * Property: mapObject
+     * {Object} This is the object which will be used to load the 3rd party library
+     * in the case of the google layer, this will be of type GMap, 
+     * in the case of the ve layer, this will be of type VEMap
+     */ 
+    mapObject: null,
+
+
+    /**
+     * Constructor: OpenLayers.Layer.EventPane
+     * Create a new event pane layer
+     *
+     * Parameters:
+     * name - {String}
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, options) {
+        OpenLayers.Layer.prototype.initialize.apply(this, arguments);
+        if (this.pane == null) {
+            this.pane = OpenLayers.Util.createDiv(this.div.id + "_EventPane");
+        }
+    },
+    
+    /**
+     * APIMethod: destroy
+     * Deconstruct this layer.
+     */
+    destroy: function() {
+        this.mapObject = null;
+        this.pane = null;
+        OpenLayers.Layer.prototype.destroy.apply(this, arguments); 
+    },
+
+    
+    /**
+     * Method: setMap
+     * Set the map property for the layer. This is done through an accessor
+     * so that subclasses can override this and take special action once 
+     * they have their map variable set. 
+     *
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    setMap: function(map) {
+        OpenLayers.Layer.prototype.setMap.apply(this, arguments);
+        
+        this.pane.style.zIndex = parseInt(this.div.style.zIndex) + 1;
+        this.pane.style.display = this.div.style.display;
+        this.pane.style.width="100%";
+        this.pane.style.height="100%";
+        if (OpenLayers.BROWSER_NAME == "msie") {
+            this.pane.style.background = 
+                "url(" + OpenLayers.Util.getImageLocation("blank.gif") + ")";
+        }
+
+        if (this.isFixed) {
+            this.map.viewPortDiv.appendChild(this.pane);
+        } else {
+            this.map.layerContainerDiv.appendChild(this.pane);
+        }
+
+        // once our layer has been added to the map, we can load it
+        this.loadMapObject();
+    
+        // if map didn't load, display warning
+        if (this.mapObject == null) {
+            this.loadWarningMessage();
+        }
+    },
+
+    /**
+     * APIMethod: removeMap
+     * On being removed from the map, we'll like to remove the invisible 'pane'
+     *     div that we added to it on creation. 
+     * 
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    removeMap: function(map) {
+        if (this.pane && this.pane.parentNode) {
+            this.pane.parentNode.removeChild(this.pane);
+        }
+        OpenLayers.Layer.prototype.removeMap.apply(this, arguments);
+    },
+  
+    /**
+     * Method: loadWarningMessage
+     * If we can't load the map lib, then display an error message to the 
+     *     user and tell them where to go for help.
+     * 
+     *     This function sets up the layout for the warning message. Each 3rd
+     *     party layer must implement its own getWarningHTML() function to 
+     *     provide the actual warning message.
+     */
+    loadWarningMessage:function() {
+
+        this.div.style.backgroundColor = "darkblue";
+
+        var viewSize = this.map.getSize();
+        
+        var msgW = Math.min(viewSize.w, 300);
+        var msgH = Math.min(viewSize.h, 200);
+        var size = new OpenLayers.Size(msgW, msgH);
+
+        var centerPx = new OpenLayers.Pixel(viewSize.w/2, viewSize.h/2);
+
+        var topLeft = centerPx.add(-size.w/2, -size.h/2);            
+
+        var div = OpenLayers.Util.createDiv(this.name + "_warning", 
+                                            topLeft, 
+                                            size,
+                                            null,
+                                            null,
+                                            null,
+                                            "auto");
+
+        div.style.padding = "7px";
+        div.style.backgroundColor = "yellow";
+
+        div.innerHTML = this.getWarningHTML();
+        this.div.appendChild(div);
+    },
+  
+    /** 
+     * Method: getWarningHTML
+     * To be implemented by subclasses.
+     * 
+     * Returns:
+     * {String} String with information on why layer is broken, how to get
+     *          it working.
+     */
+    getWarningHTML:function() {
+        //should be implemented by subclasses
+        return "";
+    },
+  
+    /**
+     * Method: display
+     * Set the display on the pane
+     *
+     * Parameters:
+     * display - {Boolean}
+     */
+    display: function(display) {
+        OpenLayers.Layer.prototype.display.apply(this, arguments);
+        this.pane.style.display = this.div.style.display;
+    },
+  
+    /**
+     * Method: setZIndex
+     * Set the z-index order for the pane.
+     * 
+     * Parameters:
+     * zIndex - {int}
+     */
+    setZIndex: function (zIndex) {
+        OpenLayers.Layer.prototype.setZIndex.apply(this, arguments);
+        this.pane.style.zIndex = parseInt(this.div.style.zIndex) + 1;
+    },
+    
+    /**
+     * Method: moveByPx
+     * Move the layer based on pixel vector. To be implemented by subclasses.
+     *
+     * Parameters:
+     * dx - {Number} The x coord of the displacement vector.
+     * dy - {Number} The y coord of the displacement vector.
+     */
+    moveByPx: function(dx, dy) {
+        OpenLayers.Layer.prototype.moveByPx.apply(this, arguments);
+        
+        if (this.dragPanMapObject) {
+            this.dragPanMapObject(dx, -dy);
+        } else {
+            this.moveTo(this.map.getCachedCenter());
+        }
+    },
+
+    /**
+     * Method: moveTo
+     * Handle calls to move the layer.
+     * 
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     * zoomChanged - {Boolean}
+     * dragging - {Boolean}
+     */
+    moveTo:function(bounds, zoomChanged, dragging) {
+        OpenLayers.Layer.prototype.moveTo.apply(this, arguments);
+
+        if (this.mapObject != null) {
+
+            var newCenter = this.map.getCenter();
+            var newZoom = this.map.getZoom();
+
+            if (newCenter != null) {
+
+                var moOldCenter = this.getMapObjectCenter();
+                var oldCenter = this.getOLLonLatFromMapObjectLonLat(moOldCenter);
+
+                var moOldZoom = this.getMapObjectZoom();
+                var oldZoom= this.getOLZoomFromMapObjectZoom(moOldZoom);
+
+                if (!(newCenter.equals(oldCenter)) || newZoom != oldZoom) {
+
+                    if (!zoomChanged && oldCenter && this.dragPanMapObject && 
+                        this.smoothDragPan) {
+                        var oldPx = this.map.getViewPortPxFromLonLat(oldCenter);
+                        var newPx = this.map.getViewPortPxFromLonLat(newCenter);
+                        this.dragPanMapObject(newPx.x-oldPx.x, oldPx.y-newPx.y);
+                    } else {
+                        var center = this.getMapObjectLonLatFromOLLonLat(newCenter);
+                        var zoom = this.getMapObjectZoomFromOLZoom(newZoom);
+                        this.setMapObjectCenter(center, zoom, dragging);
+                    }
+                }
+            }
+        }
+    },
+
+
+  /********************************************************/
+  /*                                                      */
+  /*                 Baselayer Functions                  */
+  /*                                                      */
+  /********************************************************/
+
+    /**
+     * Method: getLonLatFromViewPortPx
+     * Get a map location from a pixel location
+     * 
+     * Parameters:
+     * viewPortPx - {<OpenLayers.Pixel>}
+     *
+     * Returns:
+     *  {<OpenLayers.LonLat>} An OpenLayers.LonLat which is the passed-in view
+     *  port OpenLayers.Pixel, translated into lon/lat by map lib
+     *  If the map lib is not loaded or not centered, returns null
+     */
+    getLonLatFromViewPortPx: function (viewPortPx) {
+        var lonlat = null;
+        if ( (this.mapObject != null) && 
+             (this.getMapObjectCenter() != null) ) {
+            var moPixel = this.getMapObjectPixelFromOLPixel(viewPortPx);
+            var moLonLat = this.getMapObjectLonLatFromMapObjectPixel(moPixel);
+            lonlat = this.getOLLonLatFromMapObjectLonLat(moLonLat);
+        }
+        return lonlat;
+    },
+
+ 
+    /**
+     * Method: getViewPortPxFromLonLat
+     * Get a pixel location from a map location
+     *
+     * Parameters:
+     * lonlat - {<OpenLayers.LonLat>}
+     *
+     * Returns:
+     * {<OpenLayers.Pixel>} An OpenLayers.Pixel which is the passed-in
+     * OpenLayers.LonLat, translated into view port pixels by map lib
+     * If map lib is not loaded or not centered, returns null
+     */
+    getViewPortPxFromLonLat: function (lonlat) {
+        var viewPortPx = null;
+        if ( (this.mapObject != null) && 
+             (this.getMapObjectCenter() != null) ) {
+
+            var moLonLat = this.getMapObjectLonLatFromOLLonLat(lonlat);
+            var moPixel = this.getMapObjectPixelFromMapObjectLonLat(moLonLat);
+        
+            viewPortPx = this.getOLPixelFromMapObjectPixel(moPixel);
+        }
+        return viewPortPx;
+    },
+
+  /********************************************************/
+  /*                                                      */
+  /*               Translation Functions                  */
+  /*                                                      */
+  /*   The following functions translate Map Object and   */
+  /*            OL formats for Pixel, LonLat              */
+  /*                                                      */
+  /********************************************************/
+
+  //
+  // TRANSLATION: MapObject LatLng <-> OpenLayers.LonLat
+  //
+
+    /**
+     * Method: getOLLonLatFromMapObjectLonLat
+     * Get an OL style map location from a 3rd party style map location
+     *
+     * Parameters
+     * moLonLat - {Object}
+     * 
+     * Returns:
+     * {<OpenLayers.LonLat>} An OpenLayers.LonLat, translated from the passed in 
+     *          MapObject LonLat
+     *          Returns null if null value is passed in
+     */
+    getOLLonLatFromMapObjectLonLat: function(moLonLat) {
+        var olLonLat = null;
+        if (moLonLat != null) {
+            var lon = this.getLongitudeFromMapObjectLonLat(moLonLat);
+            var lat = this.getLatitudeFromMapObjectLonLat(moLonLat);
+            olLonLat = new OpenLayers.LonLat(lon, lat);
+        }
+        return olLonLat;
+    },
+
+    /**
+     * Method: getMapObjectLonLatFromOLLonLat
+     * Get a 3rd party map location from an OL map location.
+     *
+     * Parameters:
+     * olLonLat - {<OpenLayers.LonLat>}
+     * 
+     * Returns:
+     * {Object} A MapObject LonLat, translated from the passed in 
+     *          OpenLayers.LonLat
+     *          Returns null if null value is passed in
+     */
+    getMapObjectLonLatFromOLLonLat: function(olLonLat) {
+        var moLatLng = null;
+        if (olLonLat != null) {
+            moLatLng = this.getMapObjectLonLatFromLonLat(olLonLat.lon,
+                                                         olLonLat.lat);
+        }
+        return moLatLng;
+    },
+
+
+  //
+  // TRANSLATION: MapObject Pixel <-> OpenLayers.Pixel
+  //
+
+    /**
+     * Method: getOLPixelFromMapObjectPixel
+     * Get an OL pixel location from a 3rd party pixel location.
+     *
+     * Parameters:
+     * moPixel - {Object}
+     * 
+     * Returns:
+     * {<OpenLayers.Pixel>} An OpenLayers.Pixel, translated from the passed in 
+     *          MapObject Pixel
+     *          Returns null if null value is passed in
+     */
+    getOLPixelFromMapObjectPixel: function(moPixel) {
+        var olPixel = null;
+        if (moPixel != null) {
+            var x = this.getXFromMapObjectPixel(moPixel);
+            var y = this.getYFromMapObjectPixel(moPixel);
+            olPixel = new OpenLayers.Pixel(x, y);
+        }
+        return olPixel;
+    },
+
+    /**
+     * Method: getMapObjectPixelFromOLPixel
+     * Get a 3rd party pixel location from an OL pixel location
+     *
+     * Parameters:
+     * olPixel - {<OpenLayers.Pixel>}
+     * 
+     * Returns:
+     * {Object} A MapObject Pixel, translated from the passed in 
+     *          OpenLayers.Pixel
+     *          Returns null if null value is passed in
+     */
+    getMapObjectPixelFromOLPixel: function(olPixel) {
+        var moPixel = null;
+        if (olPixel != null) {
+            moPixel = this.getMapObjectPixelFromXY(olPixel.x, olPixel.y);
+        }
+        return moPixel;
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.EventPane"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/FixedZoomLevels.js b/misc/openlayers/lib/OpenLayers/Layer/FixedZoomLevels.js
new file mode 100644
index 0000000..f647238
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/FixedZoomLevels.js
@@ -0,0 +1,319 @@
+/* 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.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.FixedZoomLevels
+ *   Some Layers will already have established zoom levels (like google 
+ *    or ve). Instead of trying to determine them and populate a resolutions[]
+ *    Array with those values, we will hijack the resolution functionality
+ *    here.
+ * 
+ *   When you subclass FixedZoomLevels: 
+ * 
+ *   The initResolutions() call gets nullified, meaning no resolutions[] array 
+ *    is set up. Which would be a big problem getResolution() in Layer, since 
+ *    it merely takes map.zoom and indexes into resolutions[]... but....
+ * 
+ *   The getResolution() call is also overridden. Instead of using the 
+ *    resolutions[] array, we simply calculate the current resolution based
+ *    on the current extent and the current map size. But how will we be able
+ *    to calculate the current extent without knowing the resolution...?
+ *  
+ *   The getExtent() function is also overridden. Instead of calculating extent
+ *    based on the center point and the current resolution, we instead 
+ *    calculate the extent by getting the lonlats at the top-left and 
+ *    bottom-right by using the getLonLatFromViewPortPx() translation function,
+ *    taken from the pixel locations (0,0) and the size of the map. But how 
+ *    will we be able to do lonlat-px translation without resolution....?
+ * 
+ *   The getZoomForResolution() method is overridden. Instead of indexing into
+ *    the resolutions[] array, we call OpenLayers.Layer.getExent(), passing in
+ *    the desired resolution. With this extent, we then call getZoomForExtent() 
+ * 
+ * 
+ *   Whenever you implement a layer using OpenLayers.Layer.FixedZoomLevels, 
+ *    it is your responsibility to provide the following three functions:
+ * 
+ *   - getLonLatFromViewPortPx
+ *   - getViewPortPxFromLonLat
+ *   - getZoomForExtent
+ * 
+ *  ...those three functions should generally be provided by any reasonable 
+ *  API that you might be working from.
+ *
+ */
+OpenLayers.Layer.FixedZoomLevels = OpenLayers.Class({
+      
+  /********************************************************/
+  /*                                                      */
+  /*                 Baselayer Functions                  */
+  /*                                                      */
+  /*    The following functions must all be implemented   */
+  /*                  by all base layers                  */
+  /*                                                      */
+  /********************************************************/
+    
+    /**
+     * Constructor: OpenLayers.Layer.FixedZoomLevels
+     * Create a new fixed zoom levels layer.
+     */
+    initialize: function() {
+        //this class is only just to add the following functions... 
+        // nothing to actually do here... but it is probably a good
+        // idea to have layers that use these functions call this 
+        // inititalize() anyways, in case at some point we decide we 
+        // do want to put some functionality or state in here. 
+    },
+    
+    /**
+     * Method: initResolutions
+     * Populate the resolutions array
+     */
+    initResolutions: function() {
+
+        var props = ['minZoomLevel', 'maxZoomLevel', 'numZoomLevels'];
+          
+        for(var i=0, len=props.length; i<len; i++) {
+            var property = props[i];
+            this[property] = (this.options[property] != null)  
+                                     ? this.options[property] 
+                                     : this.map[property];
+        }
+
+        if ( (this.minZoomLevel == null) ||
+             (this.minZoomLevel < this.MIN_ZOOM_LEVEL) ){
+            this.minZoomLevel = this.MIN_ZOOM_LEVEL;
+        }        
+
+        //
+        // At this point, we know what the minimum desired zoom level is, and
+        //  we must calculate the total number of zoom levels. 
+        //  
+        //  Because we allow for the setting of either the 'numZoomLevels'
+        //   or the 'maxZoomLevel' properties... on either the layer or the  
+        //   map, we have to define some rules to see which we take into
+        //   account first in this calculation. 
+        //
+        // The following is the precedence list for these properties:
+        // 
+        // (1) numZoomLevels set on layer
+        // (2) maxZoomLevel set on layer
+        // (3) numZoomLevels set on map
+        // (4) maxZoomLevel set on map*
+        // (5) none of the above*
+        //
+        // *Note that options (4) and (5) are only possible if the user 
+        //  _explicitly_ sets the 'numZoomLevels' property on the map to 
+        //  null, since it is set by default to 16. 
+        //
+
+        //
+        // Note to future: In 3.0, I think we should remove the default 
+        // value of 16 for map.numZoomLevels. Rather, I think that value 
+        // should be set as a default on the Layer.WMS class. If someone
+        // creates a 3rd party layer and does not specify any 'minZoomLevel', 
+        // 'maxZoomLevel', or 'numZoomLevels', and has not explicitly 
+        // specified any of those on the map object either.. then I think
+        // it is fair to say that s/he wants all the zoom levels available.
+        // 
+        // By making map.numZoomLevels *null* by default, that will be the 
+        // case. As it is, I don't feel comfortable changing that right now
+        // as it would be a glaring API change and actually would probably
+        // break many peoples' codes. 
+        //
+
+        //the number of zoom levels we'd like to have.
+        var desiredZoomLevels;
+
+        //this is the maximum number of zoom levels the layer will allow, 
+        // given the specified starting minimum zoom level.
+        var limitZoomLevels = this.MAX_ZOOM_LEVEL - this.minZoomLevel + 1;
+
+        if ( ((this.options.numZoomLevels == null) && 
+              (this.options.maxZoomLevel != null)) // (2)
+              ||
+             ((this.numZoomLevels == null) &&
+              (this.maxZoomLevel != null)) // (4)
+           ) {
+            //calculate based on specified maxZoomLevel (on layer or map)
+            desiredZoomLevels = this.maxZoomLevel - this.minZoomLevel + 1;
+        } else {
+            //calculate based on specified numZoomLevels (on layer or map)
+            // this covers cases (1) and (3)
+            desiredZoomLevels = this.numZoomLevels;
+        }
+
+        if (desiredZoomLevels != null) {
+            //Now that we know what we would *like* the number of zoom levels
+            // to be, based on layer or map options, we have to make sure that
+            // it does not conflict with the actual limit, as specified by 
+            // the constants on the layer itself (and calculated into the
+            // 'limitZoomLevels' variable). 
+            this.numZoomLevels = Math.min(desiredZoomLevels, limitZoomLevels);
+        } else {
+            // case (5) -- neither 'numZoomLevels' not 'maxZoomLevel' was 
+            // set on either the layer or the map. So we just use the 
+            // maximum limit as calculated by the layer's constants.
+            this.numZoomLevels = limitZoomLevels;
+        }
+
+        //now that the 'numZoomLevels' is appropriately, safely set, 
+        // we go back and re-calculate the 'maxZoomLevel'.
+        this.maxZoomLevel = this.minZoomLevel + this.numZoomLevels - 1;
+
+        if (this.RESOLUTIONS != null) {
+            var resolutionsIndex = 0;
+            this.resolutions = [];
+            for(var i= this.minZoomLevel; i <= this.maxZoomLevel; i++) {
+                this.resolutions[resolutionsIndex++] = this.RESOLUTIONS[i];            
+            }
+            this.maxResolution = this.resolutions[0];
+            this.minResolution = this.resolutions[this.resolutions.length - 1];
+        }       
+    },
+    
+    /**
+     * APIMethod: getResolution
+     * Get the current map resolution
+     * 
+     * Returns:
+     * {Float} Map units per Pixel
+     */
+    getResolution: function() {
+
+        if (this.resolutions != null) {
+            return OpenLayers.Layer.prototype.getResolution.apply(this, arguments);
+        } else {
+            var resolution = null;
+            
+            var viewSize = this.map.getSize();
+            var extent = this.getExtent();
+            
+            if ((viewSize != null) && (extent != null)) {
+                resolution = Math.max( extent.getWidth()  / viewSize.w,
+                                       extent.getHeight() / viewSize.h );
+            }
+            return resolution;
+        }
+     },
+
+    /**
+     * APIMethod: getExtent
+     * Calculates using px-> lonlat translation functions on tl and br 
+     *     corners of viewport
+     * 
+     * Returns:
+     * {<OpenLayers.Bounds>} A Bounds object which represents the lon/lat 
+     *                       bounds of the current viewPort.
+     */
+    getExtent: function () {
+        var size = this.map.getSize();
+        var tl = this.getLonLatFromViewPortPx({
+            x: 0, y: 0
+        });
+        var br = this.getLonLatFromViewPortPx({
+            x: size.w, y: size.h
+        });
+        
+        if ((tl != null) && (br != null)) {
+            return new OpenLayers.Bounds(tl.lon, br.lat, br.lon, tl.lat);
+        } else {
+            return null;
+        }
+    },
+
+    /**
+     * Method: getZoomForResolution
+     * Get the zoom level for a given resolution
+     *
+     * Parameters:
+     * resolution - {Float}
+     *
+     * Returns:
+     * {Integer} A suitable zoom level for the specified resolution.
+     *           If no baselayer is set, returns null.
+     */
+    getZoomForResolution: function(resolution) {
+      
+        if (this.resolutions != null) {
+            return OpenLayers.Layer.prototype.getZoomForResolution.apply(this, arguments);
+        } else {
+            var extent = OpenLayers.Layer.prototype.getExtent.apply(this, []);
+            return this.getZoomForExtent(extent);
+        }
+    },
+
+
+
+    
+    /********************************************************/
+    /*                                                      */
+    /*             Translation Functions                    */
+    /*                                                      */
+    /*    The following functions translate GMaps and OL    */ 
+    /*     formats for Pixel, LonLat, Bounds, and Zoom      */
+    /*                                                      */
+    /********************************************************/
+    
+    
+    //
+    // TRANSLATION: MapObject Zoom <-> OpenLayers Zoom
+    //
+  
+    /**
+     * Method: getOLZoomFromMapObjectZoom
+     * Get the OL zoom index from the map object zoom level
+     *
+     * Parameters:
+     * moZoom - {Integer}
+     * 
+     * Returns:
+     * {Integer} An OpenLayers Zoom level, translated from the passed in zoom
+     *           Returns null if null value is passed in
+     */
+    getOLZoomFromMapObjectZoom: function(moZoom) {
+        var zoom = null;
+        if (moZoom != null) {
+            zoom = moZoom - this.minZoomLevel;
+            if (this.map.baseLayer !== this) {
+                zoom = this.map.baseLayer.getZoomForResolution(
+                    this.getResolutionForZoom(zoom)
+                );
+            }
+        }
+        return zoom;
+    },
+    
+    /**
+     * Method: getMapObjectZoomFromOLZoom
+     * Get the map object zoom level from the OL zoom level
+     *
+     * Parameters:
+     * olZoom - {Integer}
+     * 
+     * Returns:
+     * {Integer} A MapObject level, translated from the passed in olZoom
+     *           Returns null if null value is passed in
+     */
+    getMapObjectZoomFromOLZoom: function(olZoom) {
+        var zoom = null; 
+        if (olZoom != null) {
+            zoom = olZoom + this.minZoomLevel;
+            if (this.map.baseLayer !== this) {
+                zoom = this.getZoomForResolution(
+                    this.map.baseLayer.getResolutionForZoom(zoom)
+                );
+            }
+        }
+        return zoom;
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.FixedZoomLevels"
+});
+
diff --git a/misc/openlayers/lib/OpenLayers/Layer/GeoRSS.js b/misc/openlayers/lib/OpenLayers/Layer/GeoRSS.js
new file mode 100644
index 0000000..564d071
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/GeoRSS.js
@@ -0,0 +1,265 @@
+/* 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/Markers.js
+ * @requires OpenLayers/Request/XMLHttpRequest.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.GeoRSS
+ * Add GeoRSS Point features to your map. 
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.Markers>
+ */
+OpenLayers.Layer.GeoRSS = OpenLayers.Class(OpenLayers.Layer.Markers, {
+
+    /** 
+     * Property: location 
+     * {String} store url of text file 
+     */
+    location: null,
+
+    /** 
+     * Property: features 
+     * {Array(<OpenLayers.Feature>)} 
+     */
+    features: null,
+    
+    /**
+     * APIProperty: formatOptions
+     * {Object} Hash of options which should be passed to the format when it is
+     * created. Must be passed in the constructor.
+     */
+    formatOptions: null, 
+
+    /** 
+     * Property: selectedFeature 
+     * {<OpenLayers.Feature>} 
+     */
+    selectedFeature: null,
+
+    /** 
+     * APIProperty: icon 
+     * {<OpenLayers.Icon>}. This determines the Icon to be used on the map
+     * for this GeoRSS layer.
+     */
+    icon: null,
+
+    /**
+     * APIProperty: popupSize
+     * {<OpenLayers.Size>} This determines the size of GeoRSS popups. If 
+     * not provided, defaults to 250px by 120px. 
+     */
+    popupSize: null, 
+    
+    /** 
+     * APIProperty: useFeedTitle 
+     * {Boolean} Set layer.name to the first <title> element in the feed. Default is true. 
+     */
+    useFeedTitle: true,
+    
+    /**
+    * Constructor: OpenLayers.Layer.GeoRSS
+    * Create a GeoRSS Layer.
+    *
+    * Parameters:
+    * name - {String} 
+    * location - {String} 
+    * options - {Object}
+    */
+    initialize: function(name, location, options) {
+        OpenLayers.Layer.Markers.prototype.initialize.apply(this, [name, options]);
+        this.location = location;
+        this.features = [];
+    },
+
+    /**
+     * Method: destroy 
+     */
+    destroy: function() {
+        // Warning: Layer.Markers.destroy() must be called prior to calling
+        // clearFeatures() here, otherwise we leak memory. Indeed, if
+        // Layer.Markers.destroy() is called after clearFeatures(), it won't be
+        // able to remove the marker image elements from the layer's div since
+        // the markers will have been destroyed by clearFeatures().
+        OpenLayers.Layer.Markers.prototype.destroy.apply(this, arguments);
+        this.clearFeatures();
+        this.features = null;
+    },
+
+    /**
+     * Method: loadRSS
+     * Start the load of the RSS data. Don't do this when we first add the layer,
+     * since we may not be visible at any point, and it would therefore be a waste.
+     */
+    loadRSS: function() {
+        if (!this.loaded) {
+            this.events.triggerEvent("loadstart");
+            OpenLayers.Request.GET({
+                url: this.location,
+                success: this.parseData,
+                scope: this
+            });
+            this.loaded = true;
+        }    
+    },    
+    
+    /**
+     * Method: moveTo
+     * If layer is visible and RSS has not been loaded, load RSS. 
+     * 
+     * Parameters:
+     * bounds - {Object} 
+     * zoomChanged - {Object} 
+     * minor - {Object} 
+     */
+    moveTo:function(bounds, zoomChanged, minor) {
+        OpenLayers.Layer.Markers.prototype.moveTo.apply(this, arguments);
+        if(this.visibility && !this.loaded){
+            this.loadRSS();
+        }
+    },
+        
+    /**
+     * Method: parseData
+     * Parse the data returned from the Events call.
+     *
+     * Parameters:
+     * ajaxRequest - {<OpenLayers.Request.XMLHttpRequest>} 
+     */
+    parseData: function(ajaxRequest) {
+        var doc = ajaxRequest.responseXML;
+        if (!doc || !doc.documentElement) {
+            doc = OpenLayers.Format.XML.prototype.read(ajaxRequest.responseText);
+        }
+        
+        if (this.useFeedTitle) {
+            var name = null;
+            try {
+                name = doc.getElementsByTagNameNS('*', 'title')[0].firstChild.nodeValue;
+            }
+            catch (e) {
+                name = doc.getElementsByTagName('title')[0].firstChild.nodeValue;
+            }
+            if (name) {
+                this.setName(name);
+            }    
+        }
+       
+        var options = {};
+        
+        OpenLayers.Util.extend(options, this.formatOptions);
+        
+        if (this.map && !this.projection.equals(this.map.getProjectionObject())) {
+            options.externalProjection = this.projection;
+            options.internalProjection = this.map.getProjectionObject();
+        }    
+        
+        var format = new OpenLayers.Format.GeoRSS(options);
+        var features = format.read(doc);
+        
+        for (var i=0, len=features.length; i<len; i++) {
+            var data = {};
+            var feature = features[i];
+            
+            // we don't support features with no geometry in the GeoRSS
+            // layer at this time. 
+            if (!feature.geometry) {
+                continue;
+            }    
+            
+            var title = feature.attributes.title ? 
+                         feature.attributes.title : "Untitled";
+            
+            var description = feature.attributes.description ? 
+                         feature.attributes.description : "No description.";
+            
+            var link = feature.attributes.link ? feature.attributes.link : "";
+
+            var location = feature.geometry.getBounds().getCenterLonLat();
+            
+            
+            data.icon = this.icon == null ? 
+                                     OpenLayers.Marker.defaultIcon() : 
+                                     this.icon.clone();
+            
+            data.popupSize = this.popupSize ? 
+                             this.popupSize.clone() :
+                             new OpenLayers.Size(250, 120);
+            
+            if (title || description) {
+                // we have supplemental data, store them.
+                data.title = title;
+                data.description = description;
+            
+                var contentHTML = '<div class="olLayerGeoRSSClose">[x]</div>'; 
+                contentHTML += '<div class="olLayerGeoRSSTitle">';
+                if (link) {
+                    contentHTML += '<a class="link" href="'+link+'" target="_blank">';
+                }
+                contentHTML += title;
+                if (link) {
+                    contentHTML += '</a>';
+                }
+                contentHTML += '</div>';
+                contentHTML += '<div style="" class="olLayerGeoRSSDescription">';
+                contentHTML += description;
+                contentHTML += '</div>';
+                data['popupContentHTML'] = contentHTML;                
+            }
+            var feature = new OpenLayers.Feature(this, location, data);
+            this.features.push(feature);
+            var marker = feature.createMarker();
+            marker.events.register('click', feature, this.markerClick);
+            this.addMarker(marker);
+        }
+        this.events.triggerEvent("loadend");
+    },
+    
+    /**
+     * Method: markerClick
+     *
+     * Parameters:
+     * evt - {Event} 
+     */
+    markerClick: function(evt) {
+        var sameMarkerClicked = (this == this.layer.selectedFeature);
+        this.layer.selectedFeature = (!sameMarkerClicked) ? this : null;
+        for(var i=0, len=this.layer.map.popups.length; i<len; i++) {
+            this.layer.map.removePopup(this.layer.map.popups[i]);
+        }
+        if (!sameMarkerClicked) {
+            var popup = this.createPopup();
+            OpenLayers.Event.observe(popup.div, "click",
+                OpenLayers.Function.bind(function() { 
+                    for(var i=0, len=this.layer.map.popups.length; i<len; i++) { 
+                        this.layer.map.removePopup(this.layer.map.popups[i]); 
+                    }
+                }, this)
+            );
+            this.layer.map.addPopup(popup); 
+        }
+        OpenLayers.Event.stop(evt);
+    },
+
+    /**
+     * Method: clearFeatures
+     * Destroy all features in this layer.
+     */
+    clearFeatures: function() {
+        if (this.features != null) {
+            while(this.features.length > 0) {
+                var feature = this.features[0];
+                OpenLayers.Util.removeItem(this.features, feature);
+                feature.destroy();
+            }
+        }        
+    },
+    
+    CLASS_NAME: "OpenLayers.Layer.GeoRSS"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Google.js b/misc/openlayers/lib/OpenLayers/Layer/Google.js
new file mode 100644
index 0000000..6e85fba
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Google.js
@@ -0,0 +1,809 @@
+/* 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/SphericalMercator.js
+ * @requires OpenLayers/Layer/EventPane.js
+ * @requires OpenLayers/Layer/FixedZoomLevels.js
+ * @requires OpenLayers/Lang.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.Google
+ * 
+ * Provides a wrapper for Google's Maps API
+ * Normally the Terms of Use for this API do not allow wrapping, but Google
+ * have provided written consent to OpenLayers for this - see email in 
+ * http://osgeo-org.1560.n6.nabble.com/Google-Maps-API-Terms-of-Use-changes-tp4910013p4911981.html
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.SphericalMercator>
+ *  - <OpenLayers.Layer.EventPane>
+ *  - <OpenLayers.Layer.FixedZoomLevels>
+ */
+OpenLayers.Layer.Google = OpenLayers.Class(
+    OpenLayers.Layer.EventPane, 
+    OpenLayers.Layer.FixedZoomLevels, {
+    
+    /** 
+     * Constant: MIN_ZOOM_LEVEL
+     * {Integer} 0 
+     */
+    MIN_ZOOM_LEVEL: 0,
+    
+    /** 
+     * Constant: MAX_ZOOM_LEVEL
+     * {Integer} 21
+     */
+    MAX_ZOOM_LEVEL: 21,
+
+    /** 
+     * Constant: RESOLUTIONS
+     * {Array(Float)} Hardcode these resolutions so that they are more closely
+     *                tied with the standard wms projection
+     */
+    RESOLUTIONS: [
+        1.40625, 
+        0.703125, 
+        0.3515625, 
+        0.17578125, 
+        0.087890625, 
+        0.0439453125,
+        0.02197265625, 
+        0.010986328125, 
+        0.0054931640625, 
+        0.00274658203125,
+        0.001373291015625, 
+        0.0006866455078125, 
+        0.00034332275390625,
+        0.000171661376953125, 
+        0.0000858306884765625, 
+        0.00004291534423828125,
+        0.00002145767211914062, 
+        0.00001072883605957031,
+        0.00000536441802978515, 
+        0.00000268220901489257,
+        0.0000013411045074462891,
+        0.00000067055225372314453
+    ],
+
+    /**
+     * APIProperty: type
+     * {GMapType}
+     */
+    type: null,
+
+    /**
+     * APIProperty: wrapDateLine
+     * {Boolean} Allow user to pan forever east/west.  Default is true.  
+     *     Setting this to false only restricts panning if 
+     *     <sphericalMercator> is true. 
+     */
+    wrapDateLine: true,
+
+    /**
+     * APIProperty: sphericalMercator
+     * {Boolean} Should the map act as a mercator-projected map? This will
+     *     cause all interactions with the map to be in the actual map 
+     *     projection, which allows support for vector drawing, overlaying 
+     *     other maps, etc. 
+     */
+    sphericalMercator: false, 
+    
+    /**
+     * Property: version
+     * {Number} The version of the Google Maps API
+     */
+    version: null,
+
+    /** 
+     * Constructor: OpenLayers.Layer.Google
+     * 
+     * Parameters:
+     * name - {String} A name for the layer.
+     * options - {Object} An optional object whose properties will be set
+     *     on the layer.
+     */
+    initialize: function(name, options) {
+        options = options || {};
+        if(!options.version) {
+            options.version = typeof GMap2 === "function" ? "2" : "3";
+        }
+        var mixin = OpenLayers.Layer.Google["v" +
+            options.version.replace(/\./g, "_")];
+        if (mixin) {
+            OpenLayers.Util.applyDefaults(options, mixin);
+        } else {
+            throw "Unsupported Google Maps API version: " + options.version;
+        }
+
+        OpenLayers.Util.applyDefaults(options, mixin.DEFAULTS);
+        if (options.maxExtent) {
+            options.maxExtent = options.maxExtent.clone();
+        }
+
+        OpenLayers.Layer.EventPane.prototype.initialize.apply(this,
+            [name, options]);
+        OpenLayers.Layer.FixedZoomLevels.prototype.initialize.apply(this, 
+            [name, options]);
+
+        if (this.sphericalMercator) {
+            OpenLayers.Util.extend(this, OpenLayers.Layer.SphericalMercator);
+            this.initMercatorParameters();
+        }    
+    },
+
+    /**
+     * Method: clone
+     * Create a clone of this layer
+     *
+     * Returns:
+     * {<OpenLayers.Layer.Google>} An exact clone of this layer
+     */
+    clone: function() {
+        /**
+         * This method isn't intended to be called by a subclass and it
+         * doesn't call the same method on the superclass.  We don't call
+         * the super's clone because we don't want properties that are set
+         * on this layer after initialize (i.e. this.mapObject etc.).
+         */
+        return new OpenLayers.Layer.Google(
+            this.name, this.getOptions()
+        );
+    },
+
+    /**
+     * APIMethod: setVisibility
+     * Set the visibility flag for the layer and hide/show & redraw 
+     *     accordingly. Fire event unless otherwise specified
+     * 
+     * Note that visibility is no longer simply whether or not the layer's
+     *     style.display is set to "block". Now we store a 'visibility' state 
+     *     property on the layer class, this allows us to remember whether or 
+     *     not we *desire* for a layer to be visible. In the case where the 
+     *     map's resolution is out of the layer's range, this desire may be 
+     *     subverted.
+     * 
+     * Parameters:
+     * visible - {Boolean} Display the layer (if in range)
+     */
+    setVisibility: function(visible) {
+        // sharing a map container, opacity has to be set per layer
+        var opacity = this.opacity == null ? 1 : this.opacity;
+        OpenLayers.Layer.EventPane.prototype.setVisibility.apply(this, arguments);
+        this.setOpacity(opacity);
+    },
+    
+    /** 
+     * APIMethod: display
+     * Hide or show the Layer
+     * 
+     * Parameters:
+     * visible - {Boolean}
+     */
+    display: function(visible) {
+        if (!this._dragging) {
+            this.setGMapVisibility(visible);
+        }
+        OpenLayers.Layer.EventPane.prototype.display.apply(this, arguments);
+    },
+    
+    /**
+     * Method: moveTo
+     * 
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     * zoomChanged - {Boolean} Tells when zoom has changed, as layers have to
+     *     do some init work in that case.
+     * dragging - {Boolean}
+     */
+    moveTo: function(bounds, zoomChanged, dragging) {
+        this._dragging = dragging;
+        OpenLayers.Layer.EventPane.prototype.moveTo.apply(this, arguments);
+        delete this._dragging;
+    },
+    
+    /**
+     * APIMethod: setOpacity
+     * Sets the opacity for the entire layer (all images)
+     * 
+     * Parameters:
+     * opacity - {Float}
+     */
+    setOpacity: function(opacity) {
+        if (opacity !== this.opacity) {
+            if (this.map != null) {
+                this.map.events.triggerEvent("changelayer", {
+                    layer: this,
+                    property: "opacity"
+                });
+            }
+            this.opacity = opacity;
+        }
+        // Though this layer's opacity may not change, we're sharing a container
+        // and need to update the opacity for the entire container.
+        if (this.getVisibility()) {
+            var container = this.getMapContainer();
+            OpenLayers.Util.modifyDOMElement(
+                container, null, null, null, null, null, null, opacity
+            );
+        }
+    },
+
+    /**
+     * APIMethod: destroy
+     * Clean up this layer.
+     */
+    destroy: function() {
+        /**
+         * We have to override this method because the event pane destroy
+         * deletes the mapObject reference before removing this layer from
+         * the map.
+         */
+        if (this.map) {
+            this.setGMapVisibility(false);
+            var cache = OpenLayers.Layer.Google.cache[this.map.id];
+            if (cache && cache.count <= 1) {
+                this.removeGMapElements();
+            }            
+        }
+        OpenLayers.Layer.EventPane.prototype.destroy.apply(this, arguments);
+    },
+    
+    /**
+     * Method: removeGMapElements
+     * Remove all elements added to the dom.  This should only be called if
+     * this is the last of the Google layers for the given map.
+     */
+    removeGMapElements: function() {
+        var cache = OpenLayers.Layer.Google.cache[this.map.id];
+        if (cache) {
+            // remove shared elements from dom
+            var container = this.mapObject && this.getMapContainer();                
+            if (container && container.parentNode) {
+                container.parentNode.removeChild(container);
+            }
+            var termsOfUse = cache.termsOfUse;
+            if (termsOfUse && termsOfUse.parentNode) {
+                termsOfUse.parentNode.removeChild(termsOfUse);
+            }
+            var poweredBy = cache.poweredBy;
+            if (poweredBy && poweredBy.parentNode) {
+                poweredBy.parentNode.removeChild(poweredBy);
+            }
+            if (this.mapObject && window.google && google.maps &&
+                    google.maps.event && google.maps.event.clearListeners) {
+                google.maps.event.clearListeners(this.mapObject, 'tilesloaded');
+            }
+        }
+    },
+
+    /**
+     * APIMethod: removeMap
+     * On being removed from the map, also remove termsOfUse and poweredBy divs
+     * 
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    removeMap: function(map) {
+        // hide layer before removing
+        if (this.visibility && this.mapObject) {
+            this.setGMapVisibility(false);
+        }
+        // check to see if last Google layer in this map
+        var cache = OpenLayers.Layer.Google.cache[map.id];
+        if (cache) {
+            if (cache.count <= 1) {
+                this.removeGMapElements();
+                delete OpenLayers.Layer.Google.cache[map.id];
+            } else {
+                // decrement the layer count
+                --cache.count;
+            }
+        }
+        // remove references to gmap elements
+        delete this.termsOfUse;
+        delete this.poweredBy;
+        delete this.mapObject;
+        delete this.dragObject;
+        OpenLayers.Layer.EventPane.prototype.removeMap.apply(this, arguments);
+    },
+    
+  //
+  // TRANSLATION: MapObject Bounds <-> OpenLayers.Bounds
+  //
+
+    /**
+     * APIMethod: getOLBoundsFromMapObjectBounds
+     * 
+     * Parameters:
+     * moBounds - {Object}
+     * 
+     * Returns:
+     * {<OpenLayers.Bounds>} An <OpenLayers.Bounds>, translated from the 
+     *                       passed-in MapObject Bounds.
+     *                       Returns null if null value is passed in.
+     */
+    getOLBoundsFromMapObjectBounds: function(moBounds) {
+        var olBounds = null;
+        if (moBounds != null) {
+            var sw = moBounds.getSouthWest();
+            var ne = moBounds.getNorthEast();
+            if (this.sphericalMercator) {
+                sw = this.forwardMercator(sw.lng(), sw.lat());
+                ne = this.forwardMercator(ne.lng(), ne.lat());
+            } else {
+                sw = new OpenLayers.LonLat(sw.lng(), sw.lat()); 
+                ne = new OpenLayers.LonLat(ne.lng(), ne.lat()); 
+            }    
+            olBounds = new OpenLayers.Bounds(sw.lon, 
+                                             sw.lat, 
+                                             ne.lon, 
+                                             ne.lat );
+        }
+        return olBounds;
+    },
+
+    /** 
+     * APIMethod: getWarningHTML
+     * 
+     * Returns: 
+     * {String} String with information on why layer is broken, how to get
+     *          it working.
+     */
+    getWarningHTML:function() {
+        return OpenLayers.i18n("googleWarning");
+    },
+
+
+    /************************************
+     *                                  *
+     *   MapObject Interface Controls   *
+     *                                  *
+     ************************************/
+
+
+  // Get&Set Center, Zoom
+
+    /**
+     * APIMethod: getMapObjectCenter
+     * 
+     * Returns: 
+     * {Object} The mapObject's current center in Map Object format
+     */
+    getMapObjectCenter: function() {
+        return this.mapObject.getCenter();
+    },
+
+    /** 
+     * APIMethod: getMapObjectZoom
+     * 
+     * Returns:
+     * {Integer} The mapObject's current zoom, in Map Object format
+     */
+    getMapObjectZoom: function() {
+        return this.mapObject.getZoom();
+    },
+
+  
+    /************************************
+     *                                  *
+     *       MapObject Primitives       *
+     *                                  *
+     ************************************/
+
+
+  // LonLat
+    
+    /**
+     * APIMethod: getLongitudeFromMapObjectLonLat
+     * 
+     * Parameters:
+     * moLonLat - {Object} MapObject LonLat format
+     * 
+     * Returns:
+     * {Float} Longitude of the given MapObject LonLat
+     */
+    getLongitudeFromMapObjectLonLat: function(moLonLat) {
+        return this.sphericalMercator ? 
+          this.forwardMercator(moLonLat.lng(), moLonLat.lat()).lon :
+          moLonLat.lng();  
+    },
+
+    /**
+     * APIMethod: getLatitudeFromMapObjectLonLat
+     * 
+     * Parameters:
+     * moLonLat - {Object} MapObject LonLat format
+     * 
+     * Returns:
+     * {Float} Latitude of the given MapObject LonLat
+     */
+    getLatitudeFromMapObjectLonLat: function(moLonLat) {
+        var lat = this.sphericalMercator ? 
+          this.forwardMercator(moLonLat.lng(), moLonLat.lat()).lat :
+          moLonLat.lat(); 
+        return lat;  
+    },
+    
+  // Pixel
+    
+    /**
+     * APIMethod: getXFromMapObjectPixel
+     * 
+     * Parameters:
+     * moPixel - {Object} MapObject Pixel format
+     * 
+     * Returns:
+     * {Integer} X value of the MapObject Pixel
+     */
+    getXFromMapObjectPixel: function(moPixel) {
+        return moPixel.x;
+    },
+
+    /**
+     * APIMethod: getYFromMapObjectPixel
+     * 
+     * Parameters:
+     * moPixel - {Object} MapObject Pixel format
+     * 
+     * Returns:
+     * {Integer} Y value of the MapObject Pixel
+     */
+    getYFromMapObjectPixel: function(moPixel) {
+        return moPixel.y;
+    },
+    
+    CLASS_NAME: "OpenLayers.Layer.Google"
+});
+
+/**
+ * Property: OpenLayers.Layer.Google.cache
+ * {Object} Cache for elements that should only be created once per map.
+ */
+OpenLayers.Layer.Google.cache = {};
+
+
+/**
+ * Constant: OpenLayers.Layer.Google.v2
+ * 
+ * Mixin providing functionality specific to the Google Maps API v2.
+ * 
+ * This API has been deprecated by Google.
+ * Developers are encouraged to migrate to v3 of the API; support for this
+ * is provided by <OpenLayers.Layer.Google.v3>
+ */
+OpenLayers.Layer.Google.v2 = {
+    
+    /**
+     * Property: termsOfUse
+     * {DOMElement} Div for Google's copyright and terms of use link
+     */
+    termsOfUse: null, 
+
+    /**
+     * Property: poweredBy
+     * {DOMElement} Div for Google's powered by logo and link
+     */
+    poweredBy: null, 
+
+    /**
+     * Property: dragObject
+     * {GDraggableObject} Since 2.93, Google has exposed the ability to get
+     *     the maps GDraggableObject. We can now use this for smooth panning
+     */
+    dragObject: null, 
+    
+    /** 
+     * Method: loadMapObject
+     * Load the GMap and register appropriate event listeners. If we can't 
+     *     load GMap2, then display a warning message.
+     */
+    loadMapObject:function() {
+        if (!this.type) {
+            this.type = G_NORMAL_MAP;
+        }
+        var mapObject, termsOfUse, poweredBy;
+        var cache = OpenLayers.Layer.Google.cache[this.map.id];
+        if (cache) {
+            // there are already Google layers added to this map
+            mapObject = cache.mapObject;
+            termsOfUse = cache.termsOfUse;
+            poweredBy = cache.poweredBy;
+            // increment the layer count
+            ++cache.count;
+        } else {
+            // this is the first Google layer for this map
+
+            var container = this.map.viewPortDiv;
+            var div = document.createElement("div");
+            div.id = this.map.id + "_GMap2Container";
+            div.style.position = "absolute";
+            div.style.width = "100%";
+            div.style.height = "100%";
+            container.appendChild(div);
+
+            // create GMap and shuffle elements
+            try {
+                mapObject = new GMap2(div);
+                
+                // move the ToS and branding stuff up to the container div
+                termsOfUse = div.lastChild;
+                container.appendChild(termsOfUse);
+                termsOfUse.style.zIndex = "1100";
+                termsOfUse.style.right = "";
+                termsOfUse.style.bottom = "";
+                termsOfUse.className = "olLayerGoogleCopyright";
+
+                poweredBy = div.lastChild;
+                container.appendChild(poweredBy);
+                poweredBy.style.zIndex = "1100";
+                poweredBy.style.right = "";
+                poweredBy.style.bottom = "";
+                poweredBy.className = "olLayerGooglePoweredBy gmnoprint";
+                
+            } catch (e) {
+                throw(e);
+            }
+            // cache elements for use by any other google layers added to
+            // this same map
+            OpenLayers.Layer.Google.cache[this.map.id] = {
+                mapObject: mapObject,
+                termsOfUse: termsOfUse,
+                poweredBy: poweredBy,
+                count: 1
+            };
+        }
+
+        this.mapObject = mapObject;
+        this.termsOfUse = termsOfUse;
+        this.poweredBy = poweredBy;
+        
+        // ensure this layer type is one of the mapObject types
+        if (OpenLayers.Util.indexOf(this.mapObject.getMapTypes(),
+                                    this.type) === -1) {
+            this.mapObject.addMapType(this.type);
+        }
+
+        //since v 2.93 getDragObject is now available.
+        if(typeof mapObject.getDragObject == "function") {
+            this.dragObject = mapObject.getDragObject();
+        } else {
+            this.dragPanMapObject = null;
+        }
+        
+        if(this.isBaseLayer === false) {
+            this.setGMapVisibility(this.div.style.display !== "none");
+        }
+
+    },
+
+    /**
+     * APIMethod: onMapResize
+     */
+    onMapResize: function() {
+        // workaround for resizing of invisible or not yet fully loaded layers
+        // where GMap2.checkResize() does not work. We need to load the GMap
+        // for the old div size, then checkResize(), and then call
+        // layer.moveTo() to trigger GMap.setCenter() (which will finish
+        // the GMap initialization).
+        if(this.visibility && this.mapObject.isLoaded()) {
+            this.mapObject.checkResize();
+        } else {
+            if(!this._resized) {
+                var layer = this;
+                var handle = GEvent.addListener(this.mapObject, "load", function() {
+                    GEvent.removeListener(handle);
+                    delete layer._resized;
+                    layer.mapObject.checkResize();
+                    layer.moveTo(layer.map.getCenter(), layer.map.getZoom());
+                });
+            }
+            this._resized = true;
+        }
+    },
+
+    /**
+     * Method: setGMapVisibility
+     * Display the GMap container and associated elements.
+     * 
+     * Parameters:
+     * visible - {Boolean} Display the GMap elements.
+     */
+    setGMapVisibility: function(visible) {
+        var cache = OpenLayers.Layer.Google.cache[this.map.id];
+        if (cache) {
+            var container = this.mapObject.getContainer();
+            if (visible === true) {
+                this.mapObject.setMapType(this.type);
+                container.style.display = "";
+                this.termsOfUse.style.left = "";
+                this.termsOfUse.style.display = "";
+                this.poweredBy.style.display = "";            
+                cache.displayed = this.id;
+            } else {
+                if (cache.displayed === this.id) {
+                    delete cache.displayed;
+                }
+                if (!cache.displayed) {
+                    container.style.display = "none";
+                    this.termsOfUse.style.display = "none";
+                    // move ToU far to the left in addition to setting display
+                    // to "none", because at the end of the GMap2 load
+                    // sequence, display: none will be unset and ToU would be
+                    // visible after loading a map with a google layer that is
+                    // initially hidden. 
+                    this.termsOfUse.style.left = "-9999px";
+                    this.poweredBy.style.display = "none";
+                }
+            }
+        }
+    },
+    
+    /**
+     * Method: getMapContainer
+     * 
+     * Returns:
+     * {DOMElement} the GMap container's div
+     */
+    getMapContainer: function() {
+        return this.mapObject.getContainer();
+    },
+
+  //
+  // TRANSLATION: MapObject Bounds <-> OpenLayers.Bounds
+  //
+
+    /**
+     * APIMethod: getMapObjectBoundsFromOLBounds
+     * 
+     * Parameters:
+     * olBounds - {<OpenLayers.Bounds>}
+     * 
+     * Returns:
+     * {Object} A MapObject Bounds, translated from olBounds
+     *          Returns null if null value is passed in
+     */
+    getMapObjectBoundsFromOLBounds: function(olBounds) {
+        var moBounds = null;
+        if (olBounds != null) {
+            var sw = this.sphericalMercator ? 
+              this.inverseMercator(olBounds.bottom, olBounds.left) : 
+              new OpenLayers.LonLat(olBounds.bottom, olBounds.left);
+            var ne = this.sphericalMercator ? 
+              this.inverseMercator(olBounds.top, olBounds.right) : 
+              new OpenLayers.LonLat(olBounds.top, olBounds.right);
+            moBounds = new GLatLngBounds(new GLatLng(sw.lat, sw.lon),
+                                         new GLatLng(ne.lat, ne.lon));
+        }
+        return moBounds;
+    },
+
+
+    /************************************
+     *                                  *
+     *   MapObject Interface Controls   *
+     *                                  *
+     ************************************/
+
+
+  // Get&Set Center, Zoom
+
+    /** 
+     * APIMethod: setMapObjectCenter
+     * Set the mapObject to the specified center and zoom
+     * 
+     * Parameters:
+     * center - {Object} MapObject LonLat format
+     * zoom - {int} MapObject zoom format
+     */
+    setMapObjectCenter: function(center, zoom) {
+        this.mapObject.setCenter(center, zoom); 
+    },
+   
+    /**
+     * APIMethod: dragPanMapObject
+     * 
+     * Parameters:
+     * dX - {Integer}
+     * dY - {Integer}
+     */
+    dragPanMapObject: function(dX, dY) {
+        this.dragObject.moveBy(new GSize(-dX, dY));
+    },
+
+
+  // LonLat - Pixel Translation
+  
+    /**
+     * APIMethod: getMapObjectLonLatFromMapObjectPixel
+     * 
+     * Parameters:
+     * moPixel - {Object} MapObject Pixel format
+     * 
+     * Returns:
+     * {Object} MapObject LonLat translated from MapObject Pixel
+     */
+    getMapObjectLonLatFromMapObjectPixel: function(moPixel) {
+        return this.mapObject.fromContainerPixelToLatLng(moPixel);
+    },
+
+    /**
+     * APIMethod: getMapObjectPixelFromMapObjectLonLat
+     * 
+     * Parameters:
+     * moLonLat - {Object} MapObject LonLat format
+     * 
+     * Returns:
+     * {Object} MapObject Pixel transtlated from MapObject LonLat
+     */
+    getMapObjectPixelFromMapObjectLonLat: function(moLonLat) {
+        return this.mapObject.fromLatLngToContainerPixel(moLonLat);
+    },
+
+  
+  // Bounds
+  
+    /** 
+     * APIMethod: getMapObjectZoomFromMapObjectBounds
+     * 
+     * Parameters:
+     * moBounds - {Object} MapObject Bounds format
+     * 
+     * Returns:
+     * {Object} MapObject Zoom for specified MapObject Bounds
+     */
+    getMapObjectZoomFromMapObjectBounds: function(moBounds) {
+        return this.mapObject.getBoundsZoomLevel(moBounds);
+    },
+
+    /************************************
+     *                                  *
+     *       MapObject Primitives       *
+     *                                  *
+     ************************************/
+
+
+  // LonLat
+    
+    /**
+     * APIMethod: getMapObjectLonLatFromLonLat
+     * 
+     * Parameters:
+     * lon - {Float}
+     * lat - {Float}
+     * 
+     * Returns:
+     * {Object} MapObject LonLat built from lon and lat params
+     */
+    getMapObjectLonLatFromLonLat: function(lon, lat) {
+        var gLatLng;
+        if(this.sphericalMercator) {
+            var lonlat = this.inverseMercator(lon, lat);
+            gLatLng = new GLatLng(lonlat.lat, lonlat.lon);
+        } else {
+            gLatLng = new GLatLng(lat, lon);
+        }
+        return gLatLng;
+    },
+
+  // Pixel
+    
+    /**
+     * APIMethod: getMapObjectPixelFromXY
+     * 
+     * Parameters:
+     * x - {Integer}
+     * y - {Integer}
+     * 
+     * Returns:
+     * {Object} MapObject Pixel from x and y parameters
+     */
+    getMapObjectPixelFromXY: function(x, y) {
+        return new GPoint(x, y);
+    }
+    
+};
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Google/v3.js b/misc/openlayers/lib/OpenLayers/Layer/Google/v3.js
new file mode 100644
index 0000000..067b7a0
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Google/v3.js
@@ -0,0 +1,351 @@
+/* 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/Google.js
+ */
+
+/**
+ * Constant: OpenLayers.Layer.Google.v3
+ * 
+ * Mixin providing functionality specific to the Google Maps API v3.
+ * 
+ * To use this layer, you must include the GMaps v3 API in your html.
+ * 
+ * Note that this layer configures the google.maps.map object with the
+ * "disableDefaultUI" option set to true. Using UI controls that the Google
+ * Maps API provides is not supported by the OpenLayers API.
+ */
+OpenLayers.Layer.Google.v3 = {
+    
+    /**
+     * Constant: DEFAULTS
+     * {Object} It is not recommended to change the properties set here. Note
+     * that Google.v3 layers only work when sphericalMercator is set to true.
+     * 
+     * (code)
+     * {
+     *     sphericalMercator: true,
+     *     projection: "EPSG:900913"
+     * }
+     * (end)
+     */
+    DEFAULTS: {
+        sphericalMercator: true,
+        projection: "EPSG:900913"
+    },
+
+    /**
+     * APIProperty: animationEnabled
+     * {Boolean} If set to true, the transition between zoom levels will be
+     *     animated (if supported by the GMaps API for the device used). Set to
+     *     false to match the zooming experience of other layer types. Default
+     *     is true. Note that the GMaps API does not give us control over zoom
+     *     animation, so if set to false, when zooming, this will make the
+     *     layer temporarily invisible, wait until GMaps reports the map being
+     *     idle, and make it visible again. The result will be a blank layer
+     *     for a few moments while zooming.
+     */
+    animationEnabled: true, 
+
+    /** 
+     * Method: loadMapObject
+     * Load the GMap and register appropriate event listeners.
+     */
+    loadMapObject: function() {
+        if (!this.type) {
+            this.type = google.maps.MapTypeId.ROADMAP;
+        }
+        var mapObject;
+        var cache = OpenLayers.Layer.Google.cache[this.map.id];
+        if (cache) {
+            // there are already Google layers added to this map
+            mapObject = cache.mapObject;
+            // increment the layer count
+            ++cache.count;
+        } else {
+            // this is the first Google layer for this map
+            // create GMap
+            var center = this.map.getCenter();
+            var container = document.createElement('div');
+            container.className = "olForeignContainer";
+            container.style.width = '100%';
+            container.style.height = '100%';
+            mapObject = new google.maps.Map(container, {
+                center: center ?
+                    new google.maps.LatLng(center.lat, center.lon) :
+                    new google.maps.LatLng(0, 0),
+                zoom: this.map.getZoom() || 0,
+                mapTypeId: this.type,
+                disableDefaultUI: true,
+                keyboardShortcuts: false,
+                draggable: false,
+                disableDoubleClickZoom: true,
+                scrollwheel: false,
+                streetViewControl: false
+            });
+            var googleControl = document.createElement('div');
+            googleControl.style.width = '100%';
+            googleControl.style.height = '100%';
+            mapObject.controls[google.maps.ControlPosition.TOP_LEFT].push(googleControl);
+            
+            // cache elements for use by any other google layers added to
+            // this same map
+            cache = {
+                googleControl: googleControl,
+                mapObject: mapObject,
+                count: 1
+            };
+            OpenLayers.Layer.Google.cache[this.map.id] = cache;
+        }
+        this.mapObject = mapObject;
+        this.setGMapVisibility(this.visibility);
+    },
+    
+    /**
+     * APIMethod: onMapResize
+     */
+    onMapResize: function() {
+        if (this.visibility) {
+            google.maps.event.trigger(this.mapObject, "resize");
+        }
+    },
+
+    /**
+     * Method: setGMapVisibility
+     * Display the GMap container and associated elements.
+     * 
+     * Parameters:
+     * visible - {Boolean} Display the GMap elements.
+     */
+    setGMapVisibility: function(visible) {
+        var cache = OpenLayers.Layer.Google.cache[this.map.id];
+        var map = this.map;
+        if (cache) {
+            var type = this.type;
+            var layers = map.layers;
+            var layer;
+            for (var i=layers.length-1; i>=0; --i) {
+                layer = layers[i];
+                if (layer instanceof OpenLayers.Layer.Google &&
+                            layer.visibility === true && layer.inRange === true) {
+                    type = layer.type;
+                    visible = true;
+                    break;
+                }
+            }
+            var container = this.mapObject.getDiv();
+            if (visible === true) {
+                if (container.parentNode !== map.div) {
+                    if (!cache.rendered) {
+                        var me = this;
+                        google.maps.event.addListenerOnce(this.mapObject, 'tilesloaded', function() {
+                            cache.rendered = true;
+                            me.setGMapVisibility(me.getVisibility());
+                            me.moveTo(me.map.getCenter());
+                        });
+                    } else {
+                        map.div.appendChild(container);
+                        cache.googleControl.appendChild(map.viewPortDiv);
+                        google.maps.event.trigger(this.mapObject, 'resize');
+                    }
+                }
+                this.mapObject.setMapTypeId(type);                
+            } else if (cache.googleControl.hasChildNodes()) {
+                map.div.appendChild(map.viewPortDiv);
+                map.div.removeChild(container);
+            }
+        }
+    },
+    
+    /**
+     * Method: getMapContainer
+     * 
+     * Returns:
+     * {DOMElement} the GMap container's div
+     */
+    getMapContainer: function() {
+        return this.mapObject.getDiv();
+    },
+    
+  //
+  // TRANSLATION: MapObject Bounds <-> OpenLayers.Bounds
+  //
+
+    /**
+     * APIMethod: getMapObjectBoundsFromOLBounds
+     * 
+     * Parameters:
+     * olBounds - {<OpenLayers.Bounds>}
+     * 
+     * Returns:
+     * {Object} A MapObject Bounds, translated from olBounds
+     *          Returns null if null value is passed in
+     */
+    getMapObjectBoundsFromOLBounds: function(olBounds) {
+        var moBounds = null;
+        if (olBounds != null) {
+            var sw = this.sphericalMercator ? 
+              this.inverseMercator(olBounds.bottom, olBounds.left) : 
+              new OpenLayers.LonLat(olBounds.bottom, olBounds.left);
+            var ne = this.sphericalMercator ? 
+              this.inverseMercator(olBounds.top, olBounds.right) : 
+              new OpenLayers.LonLat(olBounds.top, olBounds.right);
+            moBounds = new google.maps.LatLngBounds(
+                new google.maps.LatLng(sw.lat, sw.lon),
+                new google.maps.LatLng(ne.lat, ne.lon)
+            );
+        }
+        return moBounds;
+    },
+
+
+    /************************************
+     *                                  *
+     *   MapObject Interface Controls   *
+     *                                  *
+     ************************************/
+
+
+  // LonLat - Pixel Translation
+  
+    /**
+     * APIMethod: getMapObjectLonLatFromMapObjectPixel
+     * 
+     * Parameters:
+     * moPixel - {Object} MapObject Pixel format
+     * 
+     * Returns:
+     * {Object} MapObject LonLat translated from MapObject Pixel
+     */
+    getMapObjectLonLatFromMapObjectPixel: function(moPixel) {
+        var size = this.map.getSize();
+        var lon = this.getLongitudeFromMapObjectLonLat(this.mapObject.center);
+        var lat = this.getLatitudeFromMapObjectLonLat(this.mapObject.center);
+        var res = this.map.getResolution();
+
+        var delta_x = moPixel.x - (size.w / 2);
+        var delta_y = moPixel.y - (size.h / 2);
+    
+        var lonlat = new OpenLayers.LonLat(
+            lon + delta_x * res,
+            lat - delta_y * res
+        ); 
+
+        if (this.wrapDateLine) {
+            lonlat = lonlat.wrapDateLine(this.maxExtent);
+        }
+        return this.getMapObjectLonLatFromLonLat(lonlat.lon, lonlat.lat);
+    },
+
+    /**
+     * APIMethod: getMapObjectPixelFromMapObjectLonLat
+     * 
+     * Parameters:
+     * moLonLat - {Object} MapObject LonLat format
+     * 
+     * Returns:
+     * {Object} MapObject Pixel transtlated from MapObject LonLat
+     */
+    getMapObjectPixelFromMapObjectLonLat: function(moLonLat) {
+        var lon = this.getLongitudeFromMapObjectLonLat(moLonLat);
+        var lat = this.getLatitudeFromMapObjectLonLat(moLonLat);
+        var res = this.map.getResolution();
+        var extent = this.map.getExtent();
+        return this.getMapObjectPixelFromXY((1/res * (lon - extent.left)),
+                                            (1/res * (extent.top - lat)));
+    },
+
+  
+    /** 
+     * APIMethod: setMapObjectCenter
+     * Set the mapObject to the specified center and zoom
+     * 
+     * Parameters:
+     * center - {Object} MapObject LonLat format
+     * zoom - {int} MapObject zoom format
+     */
+    setMapObjectCenter: function(center, zoom) {
+        if (this.animationEnabled === false && zoom != this.mapObject.zoom) {
+            var mapContainer = this.getMapContainer();
+            google.maps.event.addListenerOnce(
+                this.mapObject, 
+                "idle", 
+                function() {
+                    mapContainer.style.visibility = "";
+                }
+            );
+            mapContainer.style.visibility = "hidden";
+        }
+        this.mapObject.setOptions({
+            center: center,
+            zoom: zoom
+        });
+    },
+   
+    
+  // Bounds
+  
+    /** 
+     * APIMethod: getMapObjectZoomFromMapObjectBounds
+     * 
+     * Parameters:
+     * moBounds - {Object} MapObject Bounds format
+     * 
+     * Returns:
+     * {Object} MapObject Zoom for specified MapObject Bounds
+     */
+    getMapObjectZoomFromMapObjectBounds: function(moBounds) {
+        return this.mapObject.getBoundsZoomLevel(moBounds);
+    },
+
+    /************************************
+     *                                  *
+     *       MapObject Primitives       *
+     *                                  *
+     ************************************/
+
+
+  // LonLat
+    
+    /**
+     * APIMethod: getMapObjectLonLatFromLonLat
+     * 
+     * Parameters:
+     * lon - {Float}
+     * lat - {Float}
+     * 
+     * Returns:
+     * {Object} MapObject LonLat built from lon and lat params
+     */
+    getMapObjectLonLatFromLonLat: function(lon, lat) {
+        var gLatLng;
+        if(this.sphericalMercator) {
+            var lonlat = this.inverseMercator(lon, lat);
+            gLatLng = new google.maps.LatLng(lonlat.lat, lonlat.lon);
+        } else {
+            gLatLng = new google.maps.LatLng(lat, lon);
+        }
+        return gLatLng;
+    },
+    
+  // Pixel
+    
+    /**
+     * APIMethod: getMapObjectPixelFromXY
+     * 
+     * Parameters:
+     * x - {Integer}
+     * y - {Integer}
+     * 
+     * Returns:
+     * {Object} MapObject Pixel from x and y parameters
+     */
+    getMapObjectPixelFromXY: function(x, y) {
+        return new google.maps.Point(x, y);
+    }
+    
+};
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Grid.js b/misc/openlayers/lib/OpenLayers/Layer/Grid.js
new file mode 100644
index 0000000..a94075f
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Grid.js
@@ -0,0 +1,1343 @@
+/* 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/HTTPRequest.js
+ * @requires OpenLayers/Tile/Image.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.Grid
+ * Base class for layers that use a lattice of tiles.  Create a new grid
+ * layer with the <OpenLayers.Layer.Grid> constructor.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.HTTPRequest>
+ */
+OpenLayers.Layer.Grid = OpenLayers.Class(OpenLayers.Layer.HTTPRequest, {
+    
+    /**
+     * APIProperty: tileSize
+     * {<OpenLayers.Size>}
+     */
+    tileSize: null,
+
+    /**
+     * Property: tileOriginCorner
+     * {String} If the <tileOrigin> property is not provided, the tile origin 
+     *     will be derived from the layer's <maxExtent>.  The corner of the 
+     *     <maxExtent> used is determined by this property.  Acceptable values
+     *     are "tl" (top left), "tr" (top right), "bl" (bottom left), and "br"
+     *     (bottom right).  Default is "bl".
+     */
+    tileOriginCorner: "bl",
+    
+    /**
+     * APIProperty: tileOrigin
+     * {<OpenLayers.LonLat>} Optional origin for aligning the grid of tiles.
+     *     If provided, requests for tiles at all resolutions will be aligned
+     *     with this location (no tiles shall overlap this location).  If
+     *     not provided, the grid of tiles will be aligned with the layer's
+     *     <maxExtent>.  Default is ``null``.
+     */
+    tileOrigin: null,
+    
+    /** APIProperty: tileOptions
+     *  {Object} optional configuration options for <OpenLayers.Tile> instances
+     *  created by this Layer, if supported by the tile class.
+     */
+    tileOptions: null,
+
+    /**
+     * APIProperty: tileClass
+     * {<OpenLayers.Tile>} The tile class to use for this layer.
+     *     Defaults is OpenLayers.Tile.Image.
+     */
+    tileClass: OpenLayers.Tile.Image,
+    
+    /**
+     * Property: grid
+     * {Array(Array(<OpenLayers.Tile>))} This is an array of rows, each row is 
+     *     an array of tiles.
+     */
+    grid: null,
+
+    /**
+     * APIProperty: singleTile
+     * {Boolean} Moves the layer into single-tile mode, meaning that one tile 
+     *     will be loaded. The tile's size will be determined by the 'ratio'
+     *     property. When the tile is dragged such that it does not cover the 
+     *     entire viewport, it is reloaded.
+     */
+    singleTile: false,
+
+    /** APIProperty: ratio
+     *  {Float} Used only when in single-tile mode, this specifies the 
+     *          ratio of the size of the single tile to the size of the map.
+     *          Default value is 1.5.
+     */
+    ratio: 1.5,
+
+    /**
+     * APIProperty: buffer
+     * {Integer} Used only when in gridded mode, this specifies the number of 
+     *           extra rows and colums of tiles on each side which will
+     *           surround the minimum grid tiles to cover the map.
+     *           For very slow loading layers, a larger value may increase
+     *           performance somewhat when dragging, but will increase bandwidth
+     *           use significantly. 
+     */
+    buffer: 0,
+
+    /**
+     * APIProperty: transitionEffect
+     * {String} The transition effect to use when the map is zoomed.
+     * Two posible values:
+     *
+     * "resize" - Existing tiles are resized on zoom to provide a visual
+     *     effect of the zoom having taken place immediately.  As the
+     *     new tiles become available, they are drawn on top of the
+     *     resized tiles (this is the default setting).
+     * "map-resize" - Existing tiles are resized on zoom and placed below the
+     *     base layer.  New tiles for the base layer will cover existing tiles.
+     *     This setting is recommended when having an overlay duplicated during
+     *     the transition is undesirable (e.g. street labels or big transparent
+     *     fills). 
+     * null - No transition effect.
+     *
+     * Using "resize" on non-opaque layers can cause undesired visual
+     * effects.  Set transitionEffect to null in this case.
+     */
+    transitionEffect: "resize",
+
+    /**
+     * APIProperty: numLoadingTiles
+     * {Integer} How many tiles are still loading?
+     */
+    numLoadingTiles: 0,
+
+    /**
+     * Property: serverResolutions
+     * {Array(Number}} This property is documented in subclasses as
+     *     an API property.
+     */
+    serverResolutions: null,
+
+    /**
+     * Property: loading
+     * {Boolean} Indicates if tiles are being loaded.
+     */
+    loading: false,
+    
+    /**
+     * Property: backBuffer
+     * {DOMElement} The back buffer.
+     */
+    backBuffer: null,
+
+    /**
+     * Property: gridResolution
+     * {Number} The resolution of the current grid. Used for backbuffer and
+     *     client zoom. This property is updated every time the grid is
+     *     initialized.
+     */
+    gridResolution: null,
+
+    /**
+     * Property: backBufferResolution
+     * {Number} The resolution of the current back buffer. This property is
+     *     updated each time a back buffer is created.
+     */
+    backBufferResolution: null,
+
+    /**
+     * Property: backBufferLonLat
+     * {Object} The top-left corner of the current back buffer. Includes lon
+     *     and lat properties. This object is updated each time a back buffer
+     *     is created.
+     */
+    backBufferLonLat: null,
+
+    /**
+     * Property: backBufferTimerId
+     * {Number} The id of the back buffer timer. This timer is used to
+     *     delay the removal of the back buffer, thereby preventing
+     *     flash effects caused by tile animation.
+     */
+    backBufferTimerId: null,
+
+    /**
+     * APIProperty: removeBackBufferDelay
+     * {Number} Delay for removing the backbuffer when all tiles have finished
+     *     loading. Can be set to 0 when no css opacity transitions for the
+     *     olTileImage class are used. Default is 0 for <singleTile> layers,
+     *     2500 for tiled layers. See <className> for more information on
+     *     tile animation.
+     */
+    removeBackBufferDelay: null,
+
+    /**
+     * APIProperty: className
+     * {String} Name of the class added to the layer div. If not set in the
+     *     options passed to the constructor then className defaults to
+     *     "olLayerGridSingleTile" for single tile layers (see <singleTile>),
+     *     and "olLayerGrid" for non single tile layers.
+     *
+     * Note:
+     *
+     * The displaying of tiles is not animated by default for single tile
+     *     layers - OpenLayers' default theme (style.css) includes this:
+     * (code)
+     * .olLayerGrid .olTileImage {
+     *     -webkit-transition: opacity 0.2s linear;
+     *     -moz-transition: opacity 0.2s linear;
+     *     -o-transition: opacity 0.2s linear;
+     *     transition: opacity 0.2s linear;
+     *  }
+     * (end)
+     * To animate tile displaying for any grid layer the following
+     *     CSS rule can be used:
+     * (code)
+     * .olTileImage {
+     *     -webkit-transition: opacity 0.2s linear;
+     *     -moz-transition: opacity 0.2s linear;
+     *     -o-transition: opacity 0.2s linear;
+     *     transition: opacity 0.2s linear;
+     * }
+     * (end)
+     * In that case, to avoid flash effects, <removeBackBufferDelay>
+     *     should not be zero.
+     */
+    className: null,
+    
+    /**
+     * Register a listener for a particular event with the following syntax:
+     * (code)
+     * layer.events.register(type, obj, listener);
+     * (end)
+     *
+     * Listeners will be called with a reference to an event object.  The
+     *     properties of this event depends on exactly what happened.
+     *
+     * All event objects have at least the following properties:
+     * object - {Object} A reference to layer.events.object.
+     * element - {DOMElement} A reference to layer.events.element.
+     *
+     * Supported event types:
+     * addtile - Triggered when a tile is added to this layer. Listeners receive
+     *     an object as first argument, which has a tile property that
+     *     references the tile that has been added.
+     * tileloadstart - Triggered when a tile starts loading. Listeners receive
+     *     an object as first argument, which has a tile property that
+     *     references the tile that starts loading.
+     * tileloaded - Triggered when each new tile is
+     *     loaded, as a means of progress update to listeners.
+     *     listeners can access 'numLoadingTiles' if they wish to keep
+     *     track of the loading progress. Listeners are called with an object
+     *     with a 'tile' property as first argument, making the loaded tile
+     *     available to the listener, and an 'aborted' property, which will be
+     *     true when loading was aborted and no tile data is available.
+     * tileerror - Triggered before the tileloaded event (i.e. when the tile is
+     *     still hidden) if a tile failed to load. Listeners receive an object
+     *     as first argument, which has a tile property that references the
+     *     tile that could not be loaded.
+     * retile - Triggered when the layer recreates its tile grid.
+     */
+
+    /**
+     * Property: gridLayout
+     * {Object} Object containing properties tilelon, tilelat, startcol,
+     * startrow
+     */
+    gridLayout: null,
+    
+    /**
+     * Property: rowSign
+     * {Number} 1 for grids starting at the top, -1 for grids starting at the
+     * bottom. This is used for several grid index and offset calculations.
+     */
+    rowSign: null,
+
+    /**
+     * Property: transitionendEvents
+     * {Array} Event names for transitionend
+     */
+    transitionendEvents: [
+        'transitionend', 'webkitTransitionEnd', 'otransitionend',
+        'oTransitionEnd'
+    ],
+
+    /**
+     * Constructor: OpenLayers.Layer.Grid
+     * Create a new grid layer
+     *
+     * Parameters:
+     * name - {String}
+     * url - {String}
+     * params - {Object}
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, url, params, options) {
+        OpenLayers.Layer.HTTPRequest.prototype.initialize.apply(this, 
+                                                                arguments);
+        this.grid = [];
+        this._removeBackBuffer = OpenLayers.Function.bind(this.removeBackBuffer, this);
+
+        this.initProperties();
+
+        this.rowSign = this.tileOriginCorner.substr(0, 1) === "t" ? 1 : -1;
+    },
+
+    /**
+     * Method: initProperties
+     * Set any properties that depend on the value of singleTile.
+     * Currently sets removeBackBufferDelay and className
+     */
+    initProperties: function() {
+        if (this.options.removeBackBufferDelay === undefined) {
+            this.removeBackBufferDelay = this.singleTile ? 0 : 2500;
+        }
+
+        if (this.options.className === undefined) {
+            this.className = this.singleTile ? 'olLayerGridSingleTile' :
+                                               'olLayerGrid';
+        }
+    },
+
+    /**
+     * Method: setMap
+     *
+     * Parameters:
+     * map - {<OpenLayers.Map>} The map.
+     */
+    setMap: function(map) {
+        OpenLayers.Layer.HTTPRequest.prototype.setMap.call(this, map);
+        OpenLayers.Element.addClass(this.div, this.className);
+    },
+
+    /**
+     * Method: removeMap
+     * Called when the layer is removed from the map.
+     *
+     * Parameters:
+     * map - {<OpenLayers.Map>} The map.
+     */
+    removeMap: function(map) {
+        this.removeBackBuffer();
+    },
+
+    /**
+     * APIMethod: destroy
+     * Deconstruct the layer and clear the grid.
+     */
+    destroy: function() {
+        this.removeBackBuffer();
+        this.clearGrid();
+
+        this.grid = null;
+        this.tileSize = null;
+        OpenLayers.Layer.HTTPRequest.prototype.destroy.apply(this, arguments); 
+    },
+
+    /**
+     * APIMethod: mergeNewParams
+     * Refetches tiles with new params merged, keeping a backbuffer. Each
+     * loading new tile will have a css class of '.olTileReplacing'. If a
+     * stylesheet applies a 'display: none' style to that class, any fade-in
+     * transition will not apply, and backbuffers for each tile will be removed
+     * as soon as the tile is loaded.
+     * 
+     * Parameters:
+     * newParams - {Object}
+     *
+     * Returns:
+     * redrawn: {Boolean} whether the layer was actually redrawn.
+     */
+
+    /**
+     * Method: clearGrid
+     * Go through and remove all tiles from the grid, calling
+     *    destroy() on each of them to kill circular references
+     */
+    clearGrid:function() {
+        if (this.grid) {
+            for(var iRow=0, len=this.grid.length; iRow<len; iRow++) {
+                var row = this.grid[iRow];
+                for(var iCol=0, clen=row.length; iCol<clen; iCol++) {
+                    var tile = row[iCol];
+                    this.destroyTile(tile);
+                }
+            }
+            this.grid = [];
+            this.gridResolution = null;
+            this.gridLayout = null;
+        }
+    },
+
+   /**
+    * APIMethod: addOptions
+    * 
+    * Parameters:
+    * newOptions - {Object}
+    * reinitialize - {Boolean} If set to true, and if resolution options of the
+    *     current baseLayer were changed, the map will be recentered to make
+    *     sure that it is displayed with a valid resolution, and a
+    *     changebaselayer event will be triggered.
+    */
+    addOptions: function (newOptions, reinitialize) {
+        var singleTileChanged = newOptions.singleTile !== undefined && 
+            newOptions.singleTile !== this.singleTile;
+        OpenLayers.Layer.HTTPRequest.prototype.addOptions.apply(this, arguments);
+        if (this.map && singleTileChanged) {
+            this.initProperties();
+            this.clearGrid();
+            this.tileSize = this.options.tileSize;
+            this.setTileSize();
+            this.moveTo(null, true);
+        }
+    },
+    
+    /**
+     * APIMethod: clone
+     * Create a clone of this layer
+     *
+     * Parameters:
+     * obj - {Object} Is this ever used?
+     * 
+     * Returns:
+     * {<OpenLayers.Layer.Grid>} An exact clone of this OpenLayers.Layer.Grid
+     */
+    clone: function (obj) {
+        
+        if (obj == null) {
+            obj = new OpenLayers.Layer.Grid(this.name,
+                                            this.url,
+                                            this.params,
+                                            this.getOptions());
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.HTTPRequest.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+        if (this.tileSize != null) {
+            obj.tileSize = this.tileSize.clone();
+        }
+        
+        // we do not want to copy reference to grid, so we make a new array
+        obj.grid = [];
+        obj.gridResolution = null;
+        // same for backbuffer
+        obj.backBuffer = null;
+        obj.backBufferTimerId = null;
+        obj.loading = false;
+        obj.numLoadingTiles = 0;
+
+        return obj;
+    },    
+
+    /**
+     * Method: moveTo
+     * This function is called whenever the map is moved. All the moving
+     * of actual 'tiles' is done by the map, but moveTo's role is to accept
+     * a bounds and make sure the data that that bounds requires is pre-loaded.
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     * zoomChanged - {Boolean}
+     * dragging - {Boolean}
+     */
+    moveTo:function(bounds, zoomChanged, dragging) {
+
+        OpenLayers.Layer.HTTPRequest.prototype.moveTo.apply(this, arguments);
+
+        bounds = bounds || this.map.getExtent();
+
+        if (bounds != null) {
+             
+            // if grid is empty or zoom has changed, we *must* re-tile
+            var forceReTile = !this.grid.length || zoomChanged;
+            
+            // total bounds of the tiles
+            var tilesBounds = this.getTilesBounds();            
+
+            // the new map resolution
+            var resolution = this.map.getResolution();
+
+            // the server-supported resolution for the new map resolution
+            var serverResolution = this.getServerResolution(resolution);
+
+            if (this.singleTile) {
+                
+                // We want to redraw whenever even the slightest part of the 
+                //  current bounds is not contained by our tile.
+                //  (thus, we do not specify partial -- its default is false)
+
+                if ( forceReTile ||
+                     (!dragging && !tilesBounds.containsBounds(bounds))) {
+
+                    // In single tile mode with no transition effect, we insert
+                    // a non-scaled backbuffer when the layer is moved. But if
+                    // a zoom occurs right after a move, i.e. before the new
+                    // image is received, we need to remove the backbuffer, or
+                    // an ill-positioned image will be visible during the zoom
+                    // transition.
+
+                    if(zoomChanged && this.transitionEffect !== 'resize') {
+                        this.removeBackBuffer();
+                    }
+
+                    if(!zoomChanged || this.transitionEffect === 'resize') {
+                        this.applyBackBuffer(resolution);
+                    }
+
+                    this.initSingleTile(bounds);
+                }
+            } else {
+
+                // if the bounds have changed such that they are not even 
+                // *partially* contained by our tiles (e.g. when user has 
+                // programmatically panned to the other side of the earth on
+                // zoom level 18), then moveGriddedTiles could potentially have
+                // to run through thousands of cycles, so we want to reTile
+                // instead (thus, partial true).  
+                forceReTile = forceReTile ||
+                    !tilesBounds.intersectsBounds(bounds, {
+                        worldBounds: this.map.baseLayer.wrapDateLine &&
+                            this.map.getMaxExtent()
+                    });
+
+                if(forceReTile) {
+                    if(zoomChanged && (this.transitionEffect === 'resize' ||
+                                          this.gridResolution === resolution)) {
+                        this.applyBackBuffer(resolution);
+                    }
+                    this.initGriddedTiles(bounds);
+                } else {
+                    this.moveGriddedTiles();
+                }
+            }
+        }
+    },
+
+    /**
+     * Method: getTileData
+     * Given a map location, retrieve a tile and the pixel offset within that
+     *     tile corresponding to the location.  If there is not an existing 
+     *     tile in the grid that covers the given location, null will be 
+     *     returned.
+     *
+     * Parameters:
+     * loc - {<OpenLayers.LonLat>} map location
+     *
+     * Returns:
+     * {Object} Object with the following properties: tile ({<OpenLayers.Tile>}),
+     *     i ({Number} x-pixel offset from top left), and j ({Integer} y-pixel
+     *     offset from top left).
+     */
+    getTileData: function(loc) {
+        var data = null,
+            x = loc.lon,
+            y = loc.lat,
+            numRows = this.grid.length;
+
+        if (this.map && numRows) {
+            var res = this.map.getResolution(),
+                tileWidth = this.tileSize.w,
+                tileHeight = this.tileSize.h,
+                bounds = this.grid[0][0].bounds,
+                left = bounds.left,
+                top = bounds.top;
+
+            if (x < left) {
+                // deal with multiple worlds
+                if (this.map.baseLayer.wrapDateLine) {
+                    var worldWidth = this.map.getMaxExtent().getWidth();
+                    var worldsAway = Math.ceil((left - x) / worldWidth);
+                    x += worldWidth * worldsAway;
+                }
+            }
+            // tile distance to location (fractional number of tiles);
+            var dtx = (x - left) / (res * tileWidth);
+            var dty = (top - y) / (res * tileHeight);
+            // index of tile in grid
+            var col = Math.floor(dtx);
+            var row = Math.floor(dty);
+            if (row >= 0 && row < numRows) {
+                var tile = this.grid[row][col];
+                if (tile) {
+                    data = {
+                        tile: tile,
+                        // pixel index within tile
+                        i: Math.floor((dtx - col) * tileWidth),
+                        j: Math.floor((dty - row) * tileHeight)
+                    };                    
+                }
+            }
+        }
+        return data;
+    },
+    
+    /**
+     * Method: destroyTile
+     *
+     * Parameters:
+     * tile - {<OpenLayers.Tile>}
+     */
+    destroyTile: function(tile) {
+        this.removeTileMonitoringHooks(tile);
+        tile.destroy();
+    },
+
+    /**
+     * Method: getServerResolution
+     * Return the closest server-supported resolution.
+     *
+     * Parameters:
+     * resolution - {Number} The base resolution. If undefined the
+     *     map resolution is used.
+     *
+     * Returns:
+     * {Number} The closest server resolution value.
+     */
+    getServerResolution: function(resolution) {
+        var distance = Number.POSITIVE_INFINITY;
+        resolution = resolution || this.map.getResolution();
+        if(this.serverResolutions &&
+           OpenLayers.Util.indexOf(this.serverResolutions, resolution) === -1) {
+            var i, newDistance, newResolution, serverResolution;
+            for(i=this.serverResolutions.length-1; i>= 0; i--) {
+                newResolution = this.serverResolutions[i];
+                newDistance = Math.abs(newResolution - resolution);
+                if (newDistance > distance) {
+                    break;
+                }
+                distance = newDistance;
+                serverResolution = newResolution;
+            }
+            resolution = serverResolution;
+        }
+        return resolution;
+    },
+
+    /**
+     * Method: getServerZoom
+     * Return the zoom value corresponding to the best matching server
+     * resolution, taking into account <serverResolutions> and <zoomOffset>.
+     *
+     * Returns:
+     * {Number} The closest server supported zoom. This is not the map zoom
+     *     level, but an index of the server's resolutions array.
+     */
+    getServerZoom: function() {
+        var resolution = this.getServerResolution();
+        return this.serverResolutions ?
+            OpenLayers.Util.indexOf(this.serverResolutions, resolution) :
+            this.map.getZoomForResolution(resolution) + (this.zoomOffset || 0);
+    },
+
+    /**
+     * Method: applyBackBuffer
+     * Create, insert, scale and position a back buffer for the layer.
+     *
+     * Parameters:
+     * resolution - {Number} The resolution to transition to.
+     */
+    applyBackBuffer: function(resolution) {
+        if(this.backBufferTimerId !== null) {
+            this.removeBackBuffer();
+        }
+        var backBuffer = this.backBuffer;
+        if(!backBuffer) {
+            backBuffer = this.createBackBuffer();
+            if(!backBuffer) {
+                return;
+            }
+            if (resolution === this.gridResolution) {
+                this.div.insertBefore(backBuffer, this.div.firstChild);
+            } else {
+                this.map.baseLayer.div.parentNode.insertBefore(backBuffer, this.map.baseLayer.div);
+            }
+            this.backBuffer = backBuffer;
+
+            // set some information in the instance for subsequent
+            // calls to applyBackBuffer where the same back buffer
+            // is reused
+            var topLeftTileBounds = this.grid[0][0].bounds;
+            this.backBufferLonLat = {
+                lon: topLeftTileBounds.left,
+                lat: topLeftTileBounds.top
+            };
+            this.backBufferResolution = this.gridResolution;
+        }
+        
+        var ratio = this.backBufferResolution / resolution;
+
+        // scale the tiles inside the back buffer
+        var tiles = backBuffer.childNodes, tile;
+        for (var i=tiles.length-1; i>=0; --i) {
+            tile = tiles[i];
+            tile.style.top = ((ratio * tile._i * tile._h) | 0) + 'px';
+            tile.style.left = ((ratio * tile._j * tile._w) | 0) + 'px';
+            tile.style.width = Math.round(ratio * tile._w) + 'px';
+            tile.style.height = Math.round(ratio * tile._h) + 'px';
+        }
+
+        // and position it (based on the grid's top-left corner)
+        var position = this.getViewPortPxFromLonLat(
+                this.backBufferLonLat, resolution);
+        var leftOffset = this.map.layerContainerOriginPx.x;
+        var topOffset = this.map.layerContainerOriginPx.y;
+        backBuffer.style.left = Math.round(position.x - leftOffset) + 'px';
+        backBuffer.style.top = Math.round(position.y - topOffset) + 'px';
+    },
+
+    /**
+     * Method: createBackBuffer
+     * Create a back buffer.
+     *
+     * Returns:
+     * {DOMElement} The DOM element for the back buffer, undefined if the
+     * grid isn't initialized yet.
+     */
+    createBackBuffer: function() {
+        var backBuffer;
+        if(this.grid.length > 0) {
+            backBuffer = document.createElement('div');
+            backBuffer.id = this.div.id + '_bb';
+            backBuffer.className = 'olBackBuffer';
+            backBuffer.style.position = 'absolute';
+            var map = this.map;
+            backBuffer.style.zIndex = this.transitionEffect === 'resize' ?
+                    this.getZIndex() - 1 :
+                    // 'map-resize':
+                    map.Z_INDEX_BASE.BaseLayer -
+                            (map.getNumLayers() - map.getLayerIndex(this));
+            for(var i=0, lenI=this.grid.length; i<lenI; i++) {
+                for(var j=0, lenJ=this.grid[i].length; j<lenJ; j++) {
+                    var tile = this.grid[i][j],
+                        markup = this.grid[i][j].createBackBuffer();
+                    if (markup) {
+                        markup._i = i;
+                        markup._j = j;
+                        markup._w = tile.size.w;
+                        markup._h = tile.size.h;
+                        markup.id = tile.id + '_bb';
+                        backBuffer.appendChild(markup);
+                    }
+                }
+            }
+        }
+        return backBuffer;
+    },
+
+    /**
+     * Method: removeBackBuffer
+     * Remove back buffer from DOM.
+     */
+    removeBackBuffer: function() {
+        if (this._transitionElement) {
+            for (var i=this.transitionendEvents.length-1; i>=0; --i) {
+                OpenLayers.Event.stopObserving(this._transitionElement,
+                    this.transitionendEvents[i], this._removeBackBuffer);
+            }
+            delete this._transitionElement;
+        }
+        if(this.backBuffer) {
+            if (this.backBuffer.parentNode) {
+                this.backBuffer.parentNode.removeChild(this.backBuffer);
+            }
+            this.backBuffer = null;
+            this.backBufferResolution = null;
+            if(this.backBufferTimerId !== null) {
+                window.clearTimeout(this.backBufferTimerId);
+                this.backBufferTimerId = null;
+            }
+        }
+    },
+
+    /**
+     * Method: moveByPx
+     * Move the layer based on pixel vector.
+     *
+     * Parameters:
+     * dx - {Number}
+     * dy - {Number}
+     */
+    moveByPx: function(dx, dy) {
+        if (!this.singleTile) {
+            this.moveGriddedTiles();
+        }
+    },
+
+    /**
+     * APIMethod: setTileSize
+     * Check if we are in singleTile mode and if so, set the size as a ratio
+     *     of the map size (as specified by the layer's 'ratio' property).
+     * 
+     * Parameters:
+     * size - {<OpenLayers.Size>}
+     */
+    setTileSize: function(size) { 
+        if (this.singleTile) {
+            size = this.map.getSize();
+            size.h = parseInt(size.h * this.ratio, 10);
+            size.w = parseInt(size.w * this.ratio, 10);
+        } 
+        OpenLayers.Layer.HTTPRequest.prototype.setTileSize.apply(this, [size]);
+    },
+
+    /**
+     * APIMethod: getTilesBounds
+     * Return the bounds of the tile grid.
+     *
+     * Returns:
+     * {<OpenLayers.Bounds>} A Bounds object representing the bounds of all the
+     *     currently loaded tiles (including those partially or not at all seen 
+     *     onscreen).
+     */
+    getTilesBounds: function() {    
+        var bounds = null; 
+        
+        var length = this.grid.length;
+        if (length) {
+            var bottomLeftTileBounds = this.grid[length - 1][0].bounds,
+                width = this.grid[0].length * bottomLeftTileBounds.getWidth(),
+                height = this.grid.length * bottomLeftTileBounds.getHeight();
+            
+            bounds = new OpenLayers.Bounds(bottomLeftTileBounds.left, 
+                                           bottomLeftTileBounds.bottom,
+                                           bottomLeftTileBounds.left + width, 
+                                           bottomLeftTileBounds.bottom + height);
+        }   
+        return bounds;
+    },
+
+    /**
+     * Method: initSingleTile
+     * 
+     * Parameters: 
+     * bounds - {<OpenLayers.Bounds>}
+     */
+    initSingleTile: function(bounds) {
+        this.events.triggerEvent("retile");
+
+        //determine new tile bounds
+        var center = bounds.getCenterLonLat();
+        var tileWidth = bounds.getWidth() * this.ratio;
+        var tileHeight = bounds.getHeight() * this.ratio;
+                                       
+        var tileBounds = 
+            new OpenLayers.Bounds(center.lon - (tileWidth/2),
+                                  center.lat - (tileHeight/2),
+                                  center.lon + (tileWidth/2),
+                                  center.lat + (tileHeight/2));
+  
+        var px = this.map.getLayerPxFromLonLat({
+            lon: tileBounds.left,
+            lat: tileBounds.top
+        });
+
+        if (!this.grid.length) {
+            this.grid[0] = [];
+        }
+
+        var tile = this.grid[0][0];
+        if (!tile) {
+            tile = this.addTile(tileBounds, px);
+            
+            this.addTileMonitoringHooks(tile);
+            tile.draw();
+            this.grid[0][0] = tile;
+        } else {
+            tile.moveTo(tileBounds, px);
+        }           
+        
+        //remove all but our single tile
+        this.removeExcessTiles(1,1);
+
+        // store the resolution of the grid
+        this.gridResolution = this.getServerResolution();
+    },
+
+    /** 
+     * Method: calculateGridLayout
+     * Generate parameters for the grid layout.
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bound>|Object} OpenLayers.Bounds or an
+     *     object with a 'left' and 'top' properties.
+     * origin - {<OpenLayers.LonLat>|Object} OpenLayers.LonLat or an
+     *     object with a 'lon' and 'lat' properties.
+     * resolution - {Number}
+     *
+     * Returns:
+     * {Object} Object containing properties tilelon, tilelat, startcol,
+     * startrow
+     */
+    calculateGridLayout: function(bounds, origin, resolution) {
+        var tilelon = resolution * this.tileSize.w;
+        var tilelat = resolution * this.tileSize.h;
+        
+        var offsetlon = bounds.left - origin.lon;
+        var tilecol = Math.floor(offsetlon/tilelon) - this.buffer;
+        
+        var rowSign = this.rowSign;
+
+        var offsetlat = rowSign * (origin.lat - bounds.top + tilelat);  
+        var tilerow = Math[~rowSign ? 'floor' : 'ceil'](offsetlat/tilelat) - this.buffer * rowSign;
+        
+        return { 
+          tilelon: tilelon, tilelat: tilelat,
+          startcol: tilecol, startrow: tilerow
+        };
+
+    },
+    
+    /**
+     * Method: getTileOrigin
+     * Determine the origin for aligning the grid of tiles.  If a <tileOrigin>
+     *     property is supplied, that will be returned.  Otherwise, the origin
+     *     will be derived from the layer's <maxExtent> property.  In this case,
+     *     the tile origin will be the corner of the <maxExtent> given by the 
+     *     <tileOriginCorner> property.
+     *
+     * Returns:
+     * {<OpenLayers.LonLat>} The tile origin.
+     */
+    getTileOrigin: function() {
+        var origin = this.tileOrigin;
+        if (!origin) {
+            var extent = this.getMaxExtent();
+            var edges = ({
+                "tl": ["left", "top"],
+                "tr": ["right", "top"],
+                "bl": ["left", "bottom"],
+                "br": ["right", "bottom"]
+            })[this.tileOriginCorner];
+            origin = new OpenLayers.LonLat(extent[edges[0]], extent[edges[1]]);
+        }
+        return origin;
+    },
+
+    /**
+     * Method: getTileBoundsForGridIndex
+     *
+     * Parameters:
+     * row - {Number} The row of the grid
+     * col - {Number} The column of the grid
+     *
+     * Returns:
+     * {<OpenLayers.Bounds>} The bounds for the tile at (row, col)
+     */
+    getTileBoundsForGridIndex: function(row, col) {
+        var origin = this.getTileOrigin();
+        var tileLayout = this.gridLayout;
+        var tilelon = tileLayout.tilelon;
+        var tilelat = tileLayout.tilelat;
+        var startcol = tileLayout.startcol;
+        var startrow = tileLayout.startrow;
+        var rowSign = this.rowSign;
+        return new OpenLayers.Bounds(
+            origin.lon + (startcol + col) * tilelon,
+            origin.lat - (startrow + row * rowSign) * tilelat * rowSign,
+            origin.lon + (startcol + col + 1) * tilelon,
+            origin.lat - (startrow + (row - 1) * rowSign) * tilelat * rowSign
+        );
+    },
+
+    /**
+     * Method: initGriddedTiles
+     * 
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     */
+    initGriddedTiles:function(bounds) {
+        this.events.triggerEvent("retile");
+
+        // work out mininum number of rows and columns; this is the number of
+        // tiles required to cover the viewport plus at least one for panning
+
+        var viewSize = this.map.getSize();
+        
+        var origin = this.getTileOrigin();
+        var resolution = this.map.getResolution(),
+            serverResolution = this.getServerResolution(),
+            ratio = resolution / serverResolution,
+            tileSize = {
+                w: this.tileSize.w / ratio,
+                h: this.tileSize.h / ratio
+            };
+
+        var minRows = Math.ceil(viewSize.h/tileSize.h) + 
+                      2 * this.buffer + 1;
+        var minCols = Math.ceil(viewSize.w/tileSize.w) +
+                      2 * this.buffer + 1;
+
+        var tileLayout = this.calculateGridLayout(bounds, origin, serverResolution);
+        this.gridLayout = tileLayout;
+        
+        var tilelon = tileLayout.tilelon;
+        var tilelat = tileLayout.tilelat;
+        
+        var layerContainerDivLeft = this.map.layerContainerOriginPx.x;
+        var layerContainerDivTop = this.map.layerContainerOriginPx.y;
+
+        var tileBounds = this.getTileBoundsForGridIndex(0, 0);
+        var startPx = this.map.getViewPortPxFromLonLat(
+            new OpenLayers.LonLat(tileBounds.left, tileBounds.top)
+        );
+        startPx.x = Math.round(startPx.x) - layerContainerDivLeft;
+        startPx.y = Math.round(startPx.y) - layerContainerDivTop;
+
+        var tileData = [], center = this.map.getCenter();
+
+        var rowidx = 0;
+        do {
+            var row = this.grid[rowidx];
+            if (!row) {
+                row = [];
+                this.grid.push(row);
+            }
+            
+            var colidx = 0;
+            do {
+                tileBounds = this.getTileBoundsForGridIndex(rowidx, colidx);
+                var px = startPx.clone();
+                px.x = px.x + colidx * Math.round(tileSize.w);
+                px.y = px.y + rowidx * Math.round(tileSize.h);
+                var tile = row[colidx];
+                if (!tile) {
+                    tile = this.addTile(tileBounds, px);
+                    this.addTileMonitoringHooks(tile);
+                    row.push(tile);
+                } else {
+                    tile.moveTo(tileBounds, px, false);
+                }
+                var tileCenter = tileBounds.getCenterLonLat();
+                tileData.push({
+                    tile: tile,
+                    distance: Math.pow(tileCenter.lon - center.lon, 2) +
+                        Math.pow(tileCenter.lat - center.lat, 2)
+                });
+     
+                colidx += 1;
+            } while ((tileBounds.right <= bounds.right + tilelon * this.buffer)
+                     || colidx < minCols);
+             
+            rowidx += 1;
+        } while((tileBounds.bottom >= bounds.bottom - tilelat * this.buffer)
+                || rowidx < minRows);
+        
+        //shave off exceess rows and colums
+        this.removeExcessTiles(rowidx, colidx);
+
+        var resolution = this.getServerResolution();
+        // store the resolution of the grid
+        this.gridResolution = resolution;
+
+        //now actually draw the tiles
+        tileData.sort(function(a, b) {
+            return a.distance - b.distance; 
+        });
+        for (var i=0, ii=tileData.length; i<ii; ++i) {
+            tileData[i].tile.draw();
+        }
+    },
+
+    /**
+     * Method: getMaxExtent
+     * Get this layer's maximum extent. (Implemented as a getter for
+     *     potential specific implementations in sub-classes.)
+     *
+     * Returns:
+     * {<OpenLayers.Bounds>}
+     */
+    getMaxExtent: function() {
+        return this.maxExtent;
+    },
+    
+    /**
+     * APIMethod: addTile
+     * Create a tile, initialize it, and add it to the layer div. 
+     *
+     * Parameters
+     * bounds - {<OpenLayers.Bounds>}
+     * position - {<OpenLayers.Pixel>}
+     *
+     * Returns:
+     * {<OpenLayers.Tile>} The added OpenLayers.Tile
+     */
+    addTile: function(bounds, position) {
+        var tile = new this.tileClass(
+            this, position, bounds, null, this.tileSize, this.tileOptions
+        );
+        this.events.triggerEvent("addtile", {tile: tile});
+        return tile;
+    },
+    
+    /** 
+     * Method: addTileMonitoringHooks
+     * This function takes a tile as input and adds the appropriate hooks to 
+     *     the tile so that the layer can keep track of the loading tiles.
+     * 
+     * Parameters: 
+     * tile - {<OpenLayers.Tile>}
+     */
+    addTileMonitoringHooks: function(tile) {
+        
+        var replacingCls = 'olTileReplacing';
+
+        tile.onLoadStart = function() {
+            //if that was first tile then trigger a 'loadstart' on the layer
+            if (this.loading === false) {
+                this.loading = true;
+                this.events.triggerEvent("loadstart");
+            }
+            this.events.triggerEvent("tileloadstart", {tile: tile});
+            this.numLoadingTiles++;
+            if (!this.singleTile && this.backBuffer && this.gridResolution === this.backBufferResolution) {
+                OpenLayers.Element.addClass(tile.getTile(), replacingCls);
+            }
+        };
+      
+        tile.onLoadEnd = function(evt) {
+            this.numLoadingTiles--;
+            var aborted = evt.type === 'unload';
+            this.events.triggerEvent("tileloaded", {
+                tile: tile,
+                aborted: aborted
+            });
+            if (!this.singleTile && !aborted && this.backBuffer && this.gridResolution === this.backBufferResolution) {
+                var tileDiv = tile.getTile();
+                if (OpenLayers.Element.getStyle(tileDiv, 'display') === 'none') {
+                    var bufferTile = document.getElementById(tile.id + '_bb');
+                    if (bufferTile) {
+                        bufferTile.parentNode.removeChild(bufferTile);
+                    }
+                }
+                OpenLayers.Element.removeClass(tileDiv, replacingCls);
+            }
+            //if that was the last tile, then trigger a 'loadend' on the layer
+            if (this.numLoadingTiles === 0) {
+                if (this.backBuffer) {
+                    if (this.backBuffer.childNodes.length === 0) {
+                        // no tiles transitioning, remove immediately
+                        this.removeBackBuffer();
+                    } else {
+                        // wait until transition has ended or delay has passed
+                        this._transitionElement = aborted ?
+                            this.div.lastChild : tile.imgDiv;
+                        var transitionendEvents = this.transitionendEvents;
+                        for (var i=transitionendEvents.length-1; i>=0; --i) {
+                            OpenLayers.Event.observe(this._transitionElement,
+                                transitionendEvents[i],
+                                this._removeBackBuffer);
+                        }
+                        // the removal of the back buffer is delayed to prevent
+                        // flash effects due to the animation of tile displaying
+                        this.backBufferTimerId = window.setTimeout(
+                            this._removeBackBuffer, this.removeBackBufferDelay
+                        );
+                    }
+                }
+                this.loading = false;
+                this.events.triggerEvent("loadend");
+            }
+        };
+        
+        tile.onLoadError = function() {
+            this.events.triggerEvent("tileerror", {tile: tile});
+        };
+        
+        tile.events.on({
+            "loadstart": tile.onLoadStart,
+            "loadend": tile.onLoadEnd,
+            "unload": tile.onLoadEnd,
+            "loaderror": tile.onLoadError,
+            scope: this
+        });
+    },
+
+    /** 
+     * Method: removeTileMonitoringHooks
+     * This function takes a tile as input and removes the tile hooks 
+     *     that were added in addTileMonitoringHooks()
+     * 
+     * Parameters: 
+     * tile - {<OpenLayers.Tile>}
+     */
+    removeTileMonitoringHooks: function(tile) {
+        tile.unload();
+        tile.events.un({
+            "loadstart": tile.onLoadStart,
+            "loadend": tile.onLoadEnd,
+            "unload": tile.onLoadEnd,
+            "loaderror": tile.onLoadError,
+            scope: this
+        });
+    },
+    
+    /**
+     * Method: moveGriddedTiles
+     */
+    moveGriddedTiles: function() {
+        var buffer = this.buffer + 1;
+        while(true) {
+            var tlTile = this.grid[0][0];
+            var tlViewPort = {
+                x: tlTile.position.x +
+                    this.map.layerContainerOriginPx.x,
+                y: tlTile.position.y +
+                    this.map.layerContainerOriginPx.y
+            };
+            var ratio = this.getServerResolution() / this.map.getResolution();
+            var tileSize = {
+                w: Math.round(this.tileSize.w * ratio),
+                h: Math.round(this.tileSize.h * ratio)
+            };
+            if (tlViewPort.x > -tileSize.w * (buffer - 1)) {
+                this.shiftColumn(true, tileSize);
+            } else if (tlViewPort.x < -tileSize.w * buffer) {
+                this.shiftColumn(false, tileSize);
+            } else if (tlViewPort.y > -tileSize.h * (buffer - 1)) {
+                this.shiftRow(true, tileSize);
+            } else if (tlViewPort.y < -tileSize.h * buffer) {
+                this.shiftRow(false, tileSize);
+            } else {
+                break;
+            }
+        }
+    },
+
+    /**
+     * Method: shiftRow
+     * Shifty grid work
+     *
+     * Parameters:
+     * prepend - {Boolean} if true, prepend to beginning.
+     *                          if false, then append to end
+     * tileSize - {Object} rendered tile size; object with w and h properties
+     */
+    shiftRow: function(prepend, tileSize) {
+        var grid = this.grid;
+        var rowIndex = prepend ? 0 : (grid.length - 1);
+        var sign = prepend ? -1 : 1;
+        var rowSign = this.rowSign;
+        var tileLayout = this.gridLayout;
+        tileLayout.startrow += sign * rowSign;
+
+        var modelRow = grid[rowIndex];
+        var row = grid[prepend ? 'pop' : 'shift']();
+        for (var i=0, len=row.length; i<len; i++) {
+            var tile = row[i];
+            var position = modelRow[i].position.clone();
+            position.y += tileSize.h * sign;
+            tile.moveTo(this.getTileBoundsForGridIndex(rowIndex, i), position);
+        }
+        grid[prepend ? 'unshift' : 'push'](row);
+    },
+
+    /**
+     * Method: shiftColumn
+     * Shift grid work in the other dimension
+     *
+     * Parameters:
+     * prepend - {Boolean} if true, prepend to beginning.
+     *                          if false, then append to end
+     * tileSize - {Object} rendered tile size; object with w and h properties
+     */
+    shiftColumn: function(prepend, tileSize) {
+        var grid = this.grid;
+        var colIndex = prepend ? 0 : (grid[0].length - 1);
+        var sign = prepend ? -1 : 1;
+        var tileLayout = this.gridLayout;
+        tileLayout.startcol += sign;
+
+        for (var i=0, len=grid.length; i<len; i++) {
+            var row = grid[i];
+            var position = row[colIndex].position.clone();
+            var tile = row[prepend ? 'pop' : 'shift']();            
+            position.x += tileSize.w * sign;
+            tile.moveTo(this.getTileBoundsForGridIndex(i, colIndex), position);
+            row[prepend ? 'unshift' : 'push'](tile);
+        }
+    },
+
+    /**
+     * Method: removeExcessTiles
+     * When the size of the map or the buffer changes, we may need to
+     *     remove some excess rows and columns.
+     * 
+     * Parameters:
+     * rows - {Integer} Maximum number of rows we want our grid to have.
+     * columns - {Integer} Maximum number of columns we want our grid to have.
+     */
+    removeExcessTiles: function(rows, columns) {
+        var i, l;
+        
+        // remove extra rows
+        while (this.grid.length > rows) {
+            var row = this.grid.pop();
+            for (i=0, l=row.length; i<l; i++) {
+                var tile = row[i];
+                this.destroyTile(tile);
+            }
+        }
+        
+        // remove extra columns
+        for (i=0, l=this.grid.length; i<l; i++) {
+            while (this.grid[i].length > columns) {
+                var row = this.grid[i];
+                var tile = row.pop();
+                this.destroyTile(tile);
+            }
+        }
+    },
+
+    /**
+     * Method: onMapResize
+     * For singleTile layers, this will set a new tile size according to the
+     * dimensions of the map pane.
+     */
+    onMapResize: function() {
+        if (this.singleTile) {
+            this.clearGrid();
+            this.setTileSize();
+        }
+    },
+    
+    /**
+     * APIMethod: getTileBounds
+     * Returns The tile bounds for a layer given a pixel location.
+     *
+     * Parameters:
+     * viewPortPx - {<OpenLayers.Pixel>} The location in the viewport.
+     *
+     * Returns:
+     * {<OpenLayers.Bounds>} Bounds of the tile at the given pixel location.
+     */
+    getTileBounds: function(viewPortPx) {
+        var maxExtent = this.maxExtent;
+        var resolution = this.getResolution();
+        var tileMapWidth = resolution * this.tileSize.w;
+        var tileMapHeight = resolution * this.tileSize.h;
+        var mapPoint = this.getLonLatFromViewPortPx(viewPortPx);
+        var tileLeft = maxExtent.left + (tileMapWidth *
+                                         Math.floor((mapPoint.lon -
+                                                     maxExtent.left) /
+                                                    tileMapWidth));
+        var tileBottom = maxExtent.bottom + (tileMapHeight *
+                                             Math.floor((mapPoint.lat -
+                                                         maxExtent.bottom) /
+                                                        tileMapHeight));
+        return new OpenLayers.Bounds(tileLeft, tileBottom,
+                                     tileLeft + tileMapWidth,
+                                     tileBottom + tileMapHeight);
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.Grid"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/HTTPRequest.js b/misc/openlayers/lib/OpenLayers/Layer/HTTPRequest.js
new file mode 100644
index 0000000..ccb0291
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/HTTPRequest.js
@@ -0,0 +1,230 @@
+/* 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.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.HTTPRequest
+ * 
+ * Inherits from: 
+ *  - <OpenLayers.Layer>
+ */
+OpenLayers.Layer.HTTPRequest = OpenLayers.Class(OpenLayers.Layer, {
+
+    /** 
+     * Constant: URL_HASH_FACTOR
+     * {Float} Used to hash URL param strings for multi-WMS server selection.
+     *         Set to the Golden Ratio per Knuth's recommendation.
+     */
+    URL_HASH_FACTOR: (Math.sqrt(5) - 1) / 2,
+
+    /** 
+     * Property: url
+     * {Array(String) or String} This is either an array of url strings or 
+     *                           a single url string. 
+     */
+    url: null,
+
+    /** 
+     * Property: params
+     * {Object} Hashtable of key/value parameters
+     */
+    params: null,
+    
+    /** 
+     * APIProperty: reproject
+     * *Deprecated*. See http://docs.openlayers.org/library/spherical_mercator.html
+     * for information on the replacement for this functionality. 
+     * {Boolean} Whether layer should reproject itself based on base layer 
+     *           locations. This allows reprojection onto commercial layers. 
+     *           Default is false: Most layers can't reproject, but layers 
+     *           which can create non-square geographic pixels can, like WMS.
+     *           
+     */
+    reproject: false,
+
+    /**
+     * Constructor: OpenLayers.Layer.HTTPRequest
+     * 
+     * Parameters:
+     * name - {String}
+     * url - {Array(String) or String}
+     * params - {Object}
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, url, params, options) {
+        OpenLayers.Layer.prototype.initialize.apply(this, [name, options]);
+        this.url = url;
+        if (!this.params) {
+            this.params = OpenLayers.Util.extend({}, params);
+        }
+    },
+
+    /**
+     * APIMethod: destroy
+     */
+    destroy: function() {
+        this.url = null;
+        this.params = null;
+        OpenLayers.Layer.prototype.destroy.apply(this, arguments); 
+    },
+    
+    /**
+     * APIMethod: clone
+     * 
+     * Parameters:
+     * obj - {Object}
+     * 
+     * Returns:
+     * {<OpenLayers.Layer.HTTPRequest>} An exact clone of this 
+     *                                  <OpenLayers.Layer.HTTPRequest>
+     */
+    clone: function (obj) {
+        
+        if (obj == null) {
+            obj = new OpenLayers.Layer.HTTPRequest(this.name,
+                                                   this.url,
+                                                   this.params,
+                                                   this.getOptions());
+        }
+        
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+        
+        return obj;
+    },
+
+    /** 
+     * APIMethod: setUrl
+     * 
+     * Parameters:
+     * newUrl - {String}
+     */
+    setUrl: function(newUrl) {
+        this.url = newUrl;
+    },
+
+    /**
+     * APIMethod: mergeNewParams
+     * 
+     * Parameters:
+     * newParams - {Object}
+     *
+     * Returns:
+     * redrawn: {Boolean} whether the layer was actually redrawn.
+     */
+    mergeNewParams:function(newParams) {
+        this.params = OpenLayers.Util.extend(this.params, newParams);
+        var ret = this.redraw();
+        if(this.map != null) {
+            this.map.events.triggerEvent("changelayer", {
+                layer: this,
+                property: "params"
+            });
+        }
+        return ret;
+    },
+
+    /**
+     * APIMethod: redraw
+     * Redraws the layer.  Returns true if the layer was redrawn, false if not.
+     *
+     * Parameters:
+     * force - {Boolean} Force redraw by adding random parameter.
+     *
+     * Returns:
+     * {Boolean} The layer was redrawn.
+     */
+    redraw: function(force) { 
+        if (force) {
+            return this.mergeNewParams({"_olSalt": Math.random()});
+        } else {
+            return OpenLayers.Layer.prototype.redraw.apply(this, []);
+        }
+    },
+    
+    /**
+     * Method: selectUrl
+     * selectUrl() implements the standard floating-point multiplicative
+     *     hash function described by Knuth, and hashes the contents of the 
+     *     given param string into a float between 0 and 1. This float is then
+     *     scaled to the size of the provided urls array, and used to select
+     *     a URL.
+     *
+     * Parameters:
+     * paramString - {String}
+     * urls - {Array(String)}
+     * 
+     * Returns:
+     * {String} An entry from the urls array, deterministically selected based
+     *          on the paramString.
+     */
+    selectUrl: function(paramString, urls) {
+        var product = 1;
+        for (var i=0, len=paramString.length; i<len; i++) { 
+            product *= paramString.charCodeAt(i) * this.URL_HASH_FACTOR; 
+            product -= Math.floor(product); 
+        }
+        return urls[Math.floor(product * urls.length)];
+    },
+
+    /** 
+     * Method: getFullRequestString
+     * Combine url with layer's params and these newParams. 
+     *   
+     *    does checking on the serverPath variable, allowing for cases when it 
+     *     is supplied with trailing ? or &, as well as cases where not. 
+     *
+     *    return in formatted string like this:
+     *        "server?key1=value1&key2=value2&key3=value3"
+     * 
+     * WARNING: The altUrl parameter is deprecated and will be removed in 3.0.
+     *
+     * Parameters:
+     * newParams - {Object}
+     * altUrl - {String} Use this as the url instead of the layer's url
+     *   
+     * Returns: 
+     * {String}
+     */
+    getFullRequestString:function(newParams, altUrl) {
+
+        // if not altUrl passed in, use layer's url
+        var url = altUrl || this.url;
+        
+        // create a new params hashtable with all the layer params and the 
+        // new params together. then convert to string
+        var allParams = OpenLayers.Util.extend({}, this.params);
+        allParams = OpenLayers.Util.extend(allParams, newParams);
+        var paramsString = OpenLayers.Util.getParameterString(allParams);
+        
+        // if url is not a string, it should be an array of strings, 
+        // in which case we will deterministically select one of them in 
+        // order to evenly distribute requests to different urls.
+        //
+        if (OpenLayers.Util.isArray(url)) {
+            url = this.selectUrl(paramsString, url);
+        }   
+ 
+        // ignore parameters that are already in the url search string
+        var urlParams = 
+            OpenLayers.Util.upperCaseObject(OpenLayers.Util.getParameters(url));
+        for(var key in allParams) {
+            if(key.toUpperCase() in urlParams) {
+                delete allParams[key];
+            }
+        }
+        paramsString = OpenLayers.Util.getParameterString(allParams);
+        
+        return OpenLayers.Util.urlAppend(url, paramsString);
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.HTTPRequest"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Image.js b/misc/openlayers/lib/OpenLayers/Layer/Image.js
new file mode 100644
index 0000000..b96e369
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Image.js
@@ -0,0 +1,259 @@
+/* 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.js
+ * @requires OpenLayers/Tile/Image.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.Image
+ * Instances of OpenLayers.Layer.Image are used to display data from a web
+ * accessible image as a map layer.  Create a new image layer with the
+ * <OpenLayers.Layer.Image> constructor.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer>
+ */
+OpenLayers.Layer.Image = OpenLayers.Class(OpenLayers.Layer, {
+
+    /**
+     * Property: isBaseLayer
+     * {Boolean} The layer is a base layer.  Default is true.  Set this property
+     * in the layer options
+     */
+    isBaseLayer: true,
+    
+    /**
+     * Property: url
+     * {String} URL of the image to use
+     */
+    url: null,
+
+    /**
+     * Property: extent
+     * {<OpenLayers.Bounds>} The image bounds in map units.  This extent will
+     *     also be used as the default maxExtent for the layer.  If you wish
+     *     to have a maxExtent that is different than the image extent, set the
+     *     maxExtent property of the options argument (as with any other layer).
+     */
+    extent: null,
+    
+    /**
+     * Property: size
+     * {<OpenLayers.Size>} The image size in pixels
+     */
+    size: null,
+
+    /**
+     * Property: tile
+     * {<OpenLayers.Tile.Image>}
+     */
+    tile: null,
+
+    /**
+     * Property: aspectRatio
+     * {Float} The ratio of height/width represented by a single pixel in the
+     * graphic
+     */
+    aspectRatio: null,
+
+    /**
+     * Constructor: OpenLayers.Layer.Image
+     * Create a new image layer
+     *
+     * Parameters:
+     * name - {String} A name for the layer.
+     * url - {String} Relative or absolute path to the image
+     * extent - {<OpenLayers.Bounds>} The extent represented by the image
+     * size - {<OpenLayers.Size>} The size (in pixels) of the image
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, url, extent, size, options) {
+        this.url = url;
+        this.extent = extent;
+        this.maxExtent = extent;
+        this.size = size;
+        OpenLayers.Layer.prototype.initialize.apply(this, [name, options]);
+
+        this.aspectRatio = (this.extent.getHeight() / this.size.h) /
+                           (this.extent.getWidth() / this.size.w);
+    },    
+
+    /**
+     * Method: destroy
+     * Destroy this layer
+     */
+    destroy: function() {
+        if (this.tile) {
+            this.removeTileMonitoringHooks(this.tile);
+            this.tile.destroy();
+            this.tile = null;
+        }
+        OpenLayers.Layer.prototype.destroy.apply(this, arguments);
+    },
+    
+    /**
+     * Method: clone
+     * Create a clone of this layer
+     *
+     * Paramters:
+     * obj - {Object} An optional layer (is this ever used?)
+     *
+     * Returns:
+     * {<OpenLayers.Layer.Image>} An exact copy of this layer
+     */
+    clone: function(obj) {
+        
+        if(obj == null) {
+            obj = new OpenLayers.Layer.Image(this.name,
+                                               this.url,
+                                               this.extent,
+                                               this.size,
+                                               this.getOptions());
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+
+        return obj;
+    },    
+    
+    /**
+     * APIMethod: setMap
+     * 
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    setMap: function(map) {
+        /**
+         * If nothing to do with resolutions has been set, assume a single
+         * resolution determined by ratio*extent/size - if an image has a
+         * pixel aspect ratio different than one (as calculated above), the
+         * image will be stretched in one dimension only.
+         */
+        if( this.options.maxResolution == null ) {
+            this.options.maxResolution = this.aspectRatio *
+                                         this.extent.getWidth() /
+                                         this.size.w;
+        }
+        OpenLayers.Layer.prototype.setMap.apply(this, arguments);
+    },
+
+    /** 
+     * Method: moveTo
+     * Create the tile for the image or resize it for the new resolution
+     * 
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     * zoomChanged - {Boolean}
+     * dragging - {Boolean}
+     */
+    moveTo:function(bounds, zoomChanged, dragging) {
+        OpenLayers.Layer.prototype.moveTo.apply(this, arguments);
+
+        var firstRendering = (this.tile == null);
+
+        if(zoomChanged || firstRendering) {
+
+            //determine new tile size
+            this.setTileSize();
+
+            //determine new position (upper left corner of new bounds)
+            var ulPx = this.map.getLayerPxFromLonLat({
+                lon: this.extent.left,
+                lat: this.extent.top
+            });
+
+            if(firstRendering) {
+                //create the new tile
+                this.tile = new OpenLayers.Tile.Image(this, ulPx, this.extent, 
+                                                      null, this.tileSize);
+                this.addTileMonitoringHooks(this.tile);
+            } else {
+                //just resize the tile and set it's new position
+                this.tile.size = this.tileSize.clone();
+                this.tile.position = ulPx.clone();
+            }
+            this.tile.draw();
+        }
+    }, 
+
+    /**
+     * Set the tile size based on the map size.
+     */
+    setTileSize: function() {
+        var tileWidth = this.extent.getWidth() / this.map.getResolution();
+        var tileHeight = this.extent.getHeight() / this.map.getResolution();
+        this.tileSize = new OpenLayers.Size(tileWidth, tileHeight);
+    },
+
+    /** 
+     * Method: addTileMonitoringHooks
+     * This function takes a tile as input and adds the appropriate hooks to 
+     *     the tile so that the layer can keep track of the loading tiles.
+     * 
+     * Parameters: 
+     * tile - {<OpenLayers.Tile>}
+     */
+    addTileMonitoringHooks: function(tile) {
+        tile.onLoadStart = function() {
+            this.events.triggerEvent("loadstart");
+        };
+        tile.events.register("loadstart", this, tile.onLoadStart);
+      
+        tile.onLoadEnd = function() {
+            this.events.triggerEvent("loadend");
+        };
+        tile.events.register("loadend", this, tile.onLoadEnd);
+        tile.events.register("unload", this, tile.onLoadEnd);
+    },
+
+    /** 
+     * Method: removeTileMonitoringHooks
+     * This function takes a tile as input and removes the tile hooks 
+     *     that were added in <addTileMonitoringHooks>.
+     * 
+     * Parameters: 
+     * tile - {<OpenLayers.Tile>}
+     */
+    removeTileMonitoringHooks: function(tile) {
+        tile.unload();
+        tile.events.un({
+            "loadstart": tile.onLoadStart,
+            "loadend": tile.onLoadEnd,
+            "unload": tile.onLoadEnd,
+            scope: this
+        });
+    },
+    
+    /**
+     * APIMethod: setUrl
+     * 
+     * Parameters:
+     * newUrl - {String}
+     */
+    setUrl: function(newUrl) {
+        this.url = newUrl;
+        this.tile.draw();
+    },
+
+    /** 
+     * APIMethod: getURL
+     * The url we return is always the same (the image itself never changes)
+     *     so we can ignore the bounds parameter (it will always be the same, 
+     *     anyways) 
+     * 
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     */
+    getURL: function(bounds) {
+        return this.url;
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.Image"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/KaMap.js b/misc/openlayers/lib/OpenLayers/Layer/KaMap.js
new file mode 100644
index 0000000..3de2224
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/KaMap.js
@@ -0,0 +1,192 @@
+/* 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.KaMap
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.KaMap = OpenLayers.Class(OpenLayers.Layer.Grid, {
+
+    /** 
+     * APIProperty: isBaseLayer
+     * {Boolean} KaMap Layer is always a base layer 
+     */    
+    isBaseLayer: true,
+
+    /**
+     * Constant: DEFAULT_PARAMS
+     * {Object} parameters set by default. The default parameters set 
+     * the format via the 'i' parameter to 'jpeg'.    
+     */
+    DEFAULT_PARAMS: {
+        i: 'jpeg',
+        map: ''
+    },
+        
+    /**
+     * Constructor: OpenLayers.Layer.KaMap
+     * 
+     * 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.Grid.prototype.initialize.apply(this, arguments);
+        this.params = OpenLayers.Util.applyDefaults(
+            this.params, this.DEFAULT_PARAMS
+        );
+    },
+
+    /**
+     * 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);
+        return this.getFullRequestString(
+                      { t: pY, 
+                        l: pX,
+                        s: scale
+                      });
+    },
+
+    /** 
+     * Method: calculateGridLayout
+     * ka-Map uses the center point of the map as an origin for 
+     * its tiles. Override calculateGridLayout to center tiles 
+     * correctly for this case.
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bound>}
+     * origin - {<OpenLayers.LonLat>}
+     * resolution - {Number}
+     *
+     * Returns:
+     * {Object} Object containing properties tilelon, tilelat, startcol,
+     * startrow
+     */
+    calculateGridLayout: function(bounds, origin, resolution) {
+        var tilelon = resolution*this.tileSize.w;
+        var tilelat = resolution*this.tileSize.h;
+        
+        var offsetlon = bounds.left;
+        var tilecol = Math.floor(offsetlon/tilelon) - this.buffer;
+        
+        var offsetlat = bounds.top;  
+        var tilerow = Math.floor(offsetlat/tilelat) + this.buffer;
+        
+        return { 
+          tilelon: tilelon, tilelat: tilelat,
+          startcol: tilecol, startrow: tilerow
+        };
+    },    
+
+    /**
+     * Method: getTileBoundsForGridIndex
+     *
+     * Parameters:
+     * row - {Number} The row of the grid
+     * col - {Number} The column of the grid
+     *
+     * Returns:
+     * {<OpenLayers.Bounds>} The bounds for the tile at (row, col)
+     */
+    getTileBoundsForGridIndex: function(row, col) {
+        var origin = this.getTileOrigin();
+        var tileLayout = this.gridLayout;
+        var tilelon = tileLayout.tilelon;
+        var tilelat = tileLayout.tilelat;
+        var minX = (tileLayout.startcol + col) * tilelon;
+        var minY = (tileLayout.startrow - row) * tilelat;
+        return new OpenLayers.Bounds(
+            minX, minY,
+            minX + tilelon, minY + tilelat
+        );
+    },
+
+    /**
+     * APIMethod: clone
+     * 
+     * Parameters: 
+     * obj - {Object}
+     * 
+     * Returns:
+     * {<OpenLayers.Layer.Kamap>} An exact clone of this OpenLayers.Layer.KaMap
+     */
+    clone: function (obj) {
+        
+        if (obj == null) {
+            obj = new OpenLayers.Layer.KaMap(this.name,
+                                            this.url,
+                                            this.params,
+                                            this.getOptions());
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+        if (this.tileSize != null) {
+            obj.tileSize = this.tileSize.clone();
+        }
+        
+        // we do not want to copy reference to grid, so we make a new array
+        obj.grid = [];
+
+        return obj;
+    },    
+    
+    /**
+     * APIMethod: getTileBounds
+     * Returns The tile bounds for a layer given a pixel location.
+     *
+     * Parameters:
+     * viewPortPx - {<OpenLayers.Pixel>} The location in the viewport.
+     *
+     * Returns:
+     * {<OpenLayers.Bounds>} Bounds of the tile at the given pixel location.
+     */
+    getTileBounds: function(viewPortPx) {
+        var resolution = this.getResolution();
+        var tileMapWidth = resolution * this.tileSize.w;
+        var tileMapHeight = resolution * this.tileSize.h;
+        var mapPoint = this.getLonLatFromViewPortPx(viewPortPx);
+        var tileLeft = tileMapWidth * Math.floor(mapPoint.lon / tileMapWidth);
+        var tileBottom = tileMapHeight * Math.floor(mapPoint.lat / tileMapHeight);
+        return new OpenLayers.Bounds(tileLeft, tileBottom,
+                                     tileLeft + tileMapWidth,
+                                     tileBottom + tileMapHeight);
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.KaMap"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/KaMapCache.js b/misc/openlayers/lib/OpenLayers/Layer/KaMapCache.js
new file mode 100644
index 0000000..be6bdb0
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/KaMapCache.js
@@ -0,0 +1,143 @@
+/* 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"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/MapGuide.js b/misc/openlayers/lib/OpenLayers/Layer/MapGuide.js
new file mode 100644
index 0000000..8f7d979
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/MapGuide.js
@@ -0,0 +1,443 @@
+/* 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/Request/XMLHttpRequest.js
+ * @requires OpenLayers/Layer/Grid.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.MapGuide
+ * Instances of OpenLayers.Layer.MapGuide are used to display
+ * data from a MapGuide OS instance.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.MapGuide = OpenLayers.Class(OpenLayers.Layer.Grid, {
+
+    /** 
+     * APIProperty: isBaseLayer
+     * {Boolean} Treat this layer as a base layer.  Default is true.
+     **/
+    isBaseLayer: true,
+    
+    /**
+     * APIProperty: useHttpTile
+     * {Boolean} use a tile cache exposed directly via a webserver rather than the 
+     *    via mapguide server. This does require extra configuration on the Mapguide Server,
+     *    and will only work when singleTile is false. The url for the layer must be set to the
+     *    webserver path rather than the Mapguide mapagent.
+     *    See http://trac.osgeo.org/mapguide/wiki/CodeSamples/Tiles/ServingTilesViaHttp
+     **/
+    useHttpTile: false,
+    
+    /** 
+     * APIProperty: singleTile
+     * {Boolean} use tile server or request single tile image. 
+     **/
+    singleTile: false,
+    
+    /** 
+     * APIProperty: useOverlay
+     * {Boolean} flag to indicate if the layer should be retrieved using
+     * GETMAPIMAGE (default) or using GETDYNAMICOVERLAY requests.
+     **/
+    useOverlay: false,
+    
+    /** 
+     * APIProperty: useAsyncOverlay
+     * {Boolean} indicates if the MapGuide site supports the asynchronous 
+     * GETDYNAMICOVERLAY requests which is available in MapGuide Enterprise 2010
+     * and MapGuide Open Source v2.0.3 or higher. The newer versions of MG 
+     * is called asynchronously, allows selections to be drawn separately from 
+     * the map and offers styling options.
+     * 
+     * With older versions of MapGuide, set useAsyncOverlay=false.  Note that in
+     * this case a synchronous AJAX call is issued and the mapname and session
+     * parameters must be used to initialize the layer, not the mapdefinition
+     * parameter. Also note that this will issue a synchronous AJAX request 
+     * before the image request can be issued so the users browser may lock
+     * up if the MG Web tier does not respond in a timely fashion.
+     **/
+    useAsyncOverlay: true,
+    
+    /**
+     * Constant: TILE_PARAMS
+     * {Object} Hashtable of default parameter key/value pairs for tiled layer
+     */
+    TILE_PARAMS: {
+         operation: 'GETTILEIMAGE',
+         version: '1.2.0'
+    },
+
+    /**
+     * Constant: SINGLE_TILE_PARAMS
+     * {Object} Hashtable of default parameter key/value pairs for untiled layer
+     */
+    SINGLE_TILE_PARAMS: {
+        operation: 'GETMAPIMAGE',
+        format: 'PNG',
+        locale: 'en',
+        clip: '1',
+        version: '1.0.0'
+    },
+    
+    /**
+     * Constant: OVERLAY_PARAMS
+     * {Object} Hashtable of default parameter key/value pairs for untiled layer
+     */
+    OVERLAY_PARAMS: {
+        operation: 'GETDYNAMICMAPOVERLAYIMAGE',
+        format: 'PNG',
+        locale: 'en',
+        clip: '1',
+        version: '2.0.0'
+    },
+    
+    /** 
+     * Constant: FOLDER_PARAMS
+     * {Object} Hashtable of parameter key/value pairs which describe 
+     * the folder structure for tiles as configured in the mapguide 
+     * serverconfig.ini section [TileServiceProperties]
+     */
+    FOLDER_PARAMS: {
+        tileColumnsPerFolder: 30,
+        tileRowsPerFolder: 30,
+        format: 'png',
+        querystring: null
+    },
+
+    /** 
+     * Property: defaultSize
+     * {<OpenLayers.Size>} Tile size as produced by MapGuide server
+     **/
+    defaultSize: new OpenLayers.Size(300,300),
+
+    /** 
+     * Property: tileOriginCorner
+     * {String} MapGuide tile server uses top-left as tile origin
+     **/
+    tileOriginCorner: "tl",
+
+    /**
+     * Constructor: OpenLayers.Layer.MapGuide
+     * Create a new Mapguide layer, either tiled or untiled.  
+     *
+     * For tiled layers, the 'groupName' and 'mapDefinition' values 
+     * must be specified as parameters in the constructor.
+     *
+     * For untiled base layers, specify either combination of 'mapName' and
+     * 'session', or 'mapDefinition' and 'locale'.  
+     *
+     * For older versions of MapGuide and overlay layers, set useAsyncOverlay 
+     * to false and in this case mapName and session are required parameters 
+     * for the constructor.
+     *
+     * NOTE: MapGuide OS uses a DPI value and degrees to meters conversion 
+     * factor that are different than the defaults used in OpenLayers, 
+     * so these must be adjusted accordingly in your application.  
+     * See the MapGuide example for how to set these values for MGOS.
+     *
+     * Parameters:
+     * name - {String} Name of the layer displayed in the interface
+     * url - {String} Location of the MapGuide mapagent executable
+     *            (e.g. http://localhost:8008/mapguide/mapagent/mapagent.fcgi)
+     * params - {Object} hashtable of additional parameters to use. Some
+     *     parameters may require additional code on the server. The ones that
+     *     you may want to use are: 
+     *   - mapDefinition - {String} The MapGuide resource definition
+     *            (e.g. Library://Samples/Gmap/Maps/gmapTiled.MapDefinition)
+     *   - locale - Locale setting 
+     *            (for untiled overlays layers only)
+     *   - mapName - {String} Name of the map as stored in the MapGuide session.
+     *          (for untiled layers with a session parameter only)
+     *   - session - { String} MapGuide session ID 
+     *            (for untiled overlays layers only)
+     *   - basemaplayergroupname - {String} GroupName for tiled MapGuide layers only
+     *   - format - Image format to be returned (for untiled overlay layers only)
+     *   - showLayers - {String} A comma separated list of GUID's for the
+     *       layers to display eg: 'cvc-xcv34,453-345-345sdf'.
+     *   - hideLayers - {String} A comma separated list of GUID's for the
+     *       layers to hide eg: 'cvc-xcv34,453-345-345sdf'.
+     *   - showGroups - {String} A comma separated list of GUID's for the
+     *       groups to display eg: 'cvc-xcv34,453-345-345sdf'.
+     *   - hideGroups - {String} A comma separated list of GUID's for the
+     *       groups to hide eg: 'cvc-xcv34,453-345-345sdf'
+     *   - selectionXml - {String} A selection xml string Some server plumbing
+     *       is required to read such a value.
+     * options - {Object} Hashtable of extra options to tag onto the layer; 
+     *          will vary depending if tiled or untiled maps are being requested
+     */
+    initialize: function(name, url, params, options) {
+        
+        OpenLayers.Layer.Grid.prototype.initialize.apply(this, arguments);
+        
+        // unless explicitly set in options, if the layer is transparent, 
+        // it will be an overlay
+        if (options == null || options.isBaseLayer == null) {
+            this.isBaseLayer = ((this.transparent != "true") && 
+                                (this.transparent != true));
+        }
+
+        if (options && options.useOverlay!=null) {
+          this.useOverlay = options.useOverlay;
+        }
+        
+        //initialize for untiled layers
+        if (this.singleTile) {
+          if (this.useOverlay) {
+            OpenLayers.Util.applyDefaults(
+                           this.params,
+                           this.OVERLAY_PARAMS
+                           );
+            if (!this.useAsyncOverlay) {
+              this.params.version = "1.0.0";
+            }
+          } else {
+            OpenLayers.Util.applyDefaults(
+                           this.params,
+                           this.SINGLE_TILE_PARAMS
+                           );
+          }         
+        } else {
+            //initialize for tiled layers
+            if (this.useHttpTile) {
+                OpenLayers.Util.applyDefaults(
+                               this.params,
+                               this.FOLDER_PARAMS
+                               );
+            } else {
+                OpenLayers.Util.applyDefaults(
+                               this.params,
+                               this.TILE_PARAMS
+                               );
+            }
+            this.setTileSize(this.defaultSize); 
+        }
+    },
+
+    /**
+     * Method: clone
+     * Create a clone of this layer
+     *
+     * Returns:
+     * {<OpenLayers.Layer.MapGuide>} An exact clone of this layer
+     */
+    clone: function (obj) {
+      if (obj == null) {
+            obj = new OpenLayers.Layer.MapGuide(this.name,
+                                           this.url,
+                                           this.params,
+                                           this.getOptions());
+      }
+      //get all additions from superclasses
+      obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+      return obj;
+    },
+
+    /**
+     * Method: getURL
+     * Return a query string for this layer
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>} A bounds representing the bbox 
+     *                                for the request
+     *
+     * 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 url;
+        var center = bounds.getCenterLonLat();
+        var mapSize = this.map.getSize();
+
+        if (this.singleTile) {
+          //set up the call for GETMAPIMAGE or GETDYNAMICMAPOVERLAY with
+          //dynamic map parameters
+          var params = {
+            setdisplaydpi: OpenLayers.DOTS_PER_INCH,
+            setdisplayheight: mapSize.h*this.ratio,
+            setdisplaywidth: mapSize.w*this.ratio,
+            setviewcenterx: center.lon,
+            setviewcentery: center.lat,
+            setviewscale: this.map.getScale()
+          };
+          
+          if (this.useOverlay && !this.useAsyncOverlay) {
+            //first we need to call GETVISIBLEMAPEXTENT to set the extent
+            var getVisParams = {};
+            getVisParams = OpenLayers.Util.extend(getVisParams, params);
+            getVisParams.operation = "GETVISIBLEMAPEXTENT";
+            getVisParams.version = "1.0.0";
+            getVisParams.session = this.params.session;
+            getVisParams.mapName = this.params.mapName;
+            getVisParams.format = 'text/xml';
+            url = this.getFullRequestString( getVisParams );
+            
+            OpenLayers.Request.GET({url: url, async: false});
+          }
+          //construct the full URL
+          url = this.getFullRequestString( params );
+        } else {
+
+          //tiled version
+          var currentRes = this.map.getResolution();
+          var colidx = Math.floor((bounds.left-this.maxExtent.left)/currentRes);
+          colidx = Math.round(colidx/this.tileSize.w);
+          var rowidx = Math.floor((this.maxExtent.top-bounds.top)/currentRes);
+          rowidx = Math.round(rowidx/this.tileSize.h);
+
+          if (this.useHttpTile){
+              url = this.getImageFilePath(
+                   {
+                       tilecol: colidx,
+                       tilerow: rowidx,
+                       scaleindex: this.resolutions.length - this.map.zoom - 1
+                    });
+
+          } else {
+            url = this.getFullRequestString(
+                   {
+                       tilecol: colidx,
+                       tilerow: rowidx,
+                       scaleindex: this.resolutions.length - this.map.zoom - 1
+                    });
+          }
+       }
+       return url;
+    },
+
+    /**
+     * Method: getFullRequestString
+     * getFullRequestString on MapGuide layers is special, because we 
+     * do a regular expression replace on ',' in parameters to '+'.
+     * This is why it is subclassed here.
+     *
+     * Parameters:
+     * altUrl - {String} Alternative base URL to use.
+     *
+     * Returns:
+     * {String} A string with the layer's url appropriately encoded for MapGuide
+     */
+    getFullRequestString:function(newParams, altUrl) {
+        // use layer's url unless altUrl passed in
+        var url = (altUrl == null) ? this.url : altUrl;
+        
+        // if url is not a string, it should be an array of strings, 
+        //  in which case we will randomly select one of them in order
+        //  to evenly distribute requests to different urls.
+        if (typeof url == "object") {
+            url = url[Math.floor(Math.random()*url.length)];
+        }   
+        // requestString always starts with url
+        var requestString = url;        
+
+        // create a new params hashtable with all the layer params and the 
+        // new params together. then convert to string
+        var allParams = OpenLayers.Util.extend({}, this.params);
+        allParams = OpenLayers.Util.extend(allParams, newParams);
+        // ignore parameters that are already in the url search string
+        var urlParams = OpenLayers.Util.upperCaseObject(
+                            OpenLayers.Util.getParameters(url));
+        for(var key in allParams) {
+            if(key.toUpperCase() in urlParams) {
+                delete allParams[key];
+            }
+        }
+        var paramsString = OpenLayers.Util.getParameterString(allParams);
+        
+        /* MapGuide needs '+' seperating things like bounds/height/width.
+           Since typically this is URL encoded, we use a slight hack: we
+           depend on the list-like functionality of getParameterString to
+           leave ',' only in the case of list items (since otherwise it is
+           encoded) then do a regular expression replace on the , characters
+           to '+' */
+        paramsString = paramsString.replace(/,/g, "+");
+        
+        if (paramsString != "") {
+            var lastServerChar = url.charAt(url.length - 1);
+            if ((lastServerChar == "&") || (lastServerChar == "?")) {
+                requestString += paramsString;
+            } else {
+                if (url.indexOf('?') == -1) {
+                    //serverPath has no ? -- add one
+                    requestString += '?' + paramsString;
+                } else {
+                    //serverPath contains ?, so must already have paramsString at the end
+                    requestString += '&' + paramsString;
+                }
+            }
+        }
+        return requestString;
+    },
+
+     /** 
+     * Method: getImageFilePath
+     * special handler to request mapguide tiles from an http exposed tilecache 
+     *
+     * Parameters:
+     * altUrl - {String} Alternative base URL to use.
+     *
+     * Returns:
+     * {String} A string with the url for the tile image
+     */
+    getImageFilePath:function(newParams, altUrl) {
+        // use layer's url unless altUrl passed in
+        var url = (altUrl == null) ? this.url : altUrl;
+        
+        // if url is not a string, it should be an array of strings, 
+        //  in which case we will randomly select one of them in order
+        //  to evenly distribute requests to different urls.
+        if (typeof url == "object") {
+            url = url[Math.floor(Math.random()*url.length)];
+        }   
+        // requestString always starts with url
+        var requestString = url;        
+
+        var tileRowGroup = "";
+        var tileColGroup = "";
+        
+        if (newParams.tilerow < 0) {
+          tileRowGroup =  '-';
+        }
+          
+        if (newParams.tilerow == 0 ) {
+          tileRowGroup += '0';
+        } else {
+          tileRowGroup += Math.floor(Math.abs(newParams.tilerow/this.params.tileRowsPerFolder)) * this.params.tileRowsPerFolder;
+        }
+          
+        if (newParams.tilecol < 0) {
+          tileColGroup =  '-';
+        }
+        
+        if (newParams.tilecol == 0) {
+          tileColGroup += '0';
+        } else {
+          tileColGroup += Math.floor(Math.abs(newParams.tilecol/this.params.tileColumnsPerFolder)) * this.params.tileColumnsPerFolder;
+        }
+        
+        var tilePath = '/S' + Math.floor(newParams.scaleindex)
+                + '/' + this.params.basemaplayergroupname
+                + '/R' + tileRowGroup
+                + '/C' + tileColGroup
+                + '/' + (newParams.tilerow % this.params.tileRowsPerFolder) 
+                + '_' + (newParams.tilecol % this.params.tileColumnsPerFolder) 
+                + '.' + this.params.format;
+    
+        if (this.params.querystring) {
+               tilePath += "?" + this.params.querystring;
+        }
+        
+        requestString += tilePath;
+        return requestString;
+    },
+    
+    CLASS_NAME: "OpenLayers.Layer.MapGuide"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/MapServer.js b/misc/openlayers/lib/OpenLayers/Layer/MapServer.js
new file mode 100644
index 0000000..713035f
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/MapServer.js
@@ -0,0 +1,181 @@
+/* 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.MapServer
+ * Instances of OpenLayers.Layer.MapServer are used to display
+ * data from a MapServer CGI instance.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.MapServer = OpenLayers.Class(OpenLayers.Layer.Grid, {
+
+    /**
+     * Constant: DEFAULT_PARAMS
+     * {Object} Hashtable of default parameter key/value pairs 
+     */
+    DEFAULT_PARAMS: {
+        mode: "map",
+        map_imagetype: "png"
+    },
+
+    /**
+     * Constructor: OpenLayers.Layer.MapServer
+     * Create a new MapServer layer object
+     *
+     * Parameters:
+     * name - {String} A name for the layer
+     * url - {String} Base url for the MapServer CGI
+     *       (e.g. http://www2.dmsolutions.ca/cgi-bin/mapserv)
+     * params - {Object} An object with key/value pairs representing the
+     *          GetMap query string parameters and parameter values.
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, url, params, options) {
+        OpenLayers.Layer.Grid.prototype.initialize.apply(this, arguments);
+
+        this.params = OpenLayers.Util.applyDefaults(
+            this.params, this.DEFAULT_PARAMS
+        );
+
+        // unless explicitly set in options, if the layer is transparent, 
+        // it will be an overlay
+        if (options == null || options.isBaseLayer == null) {
+            this.isBaseLayer = ((this.params.transparent != "true") && 
+                                (this.params.transparent != true));
+        }
+    },
+
+    /**
+     * Method: clone
+     * Create a clone of this layer
+     *
+     * Returns:
+     * {<OpenLayers.Layer.MapServer>} An exact clone of this layer
+     */
+    clone: function (obj) {
+        if (obj == null) {
+            obj = new OpenLayers.Layer.MapServer(this.name,
+                                           this.url,
+                                           this.params,
+                                           this.getOptions());
+        }
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+
+        return obj;
+    },
+    
+    /**
+     * Method: getURL
+     * Return a query string for this layer
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>} A bounds representing the bbox 
+     *                                for the request
+     *
+     * 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);
+        // Make a list, so that getFullRequestString uses literal "," 
+        var extent = [bounds.left, bounds. bottom, bounds.right, bounds.top];
+
+        var imageSize = this.getImageSize(); 
+        
+        // make lists, so that literal ','s are used 
+        var url = this.getFullRequestString(
+                     {mapext:   extent,
+                      imgext:   extent,
+                      map_size: [imageSize.w, imageSize.h],
+                      imgx:     imageSize.w / 2,
+                      imgy:     imageSize.h / 2,
+                      imgxy:    [imageSize.w, imageSize.h]
+                      });
+        
+        return url;
+    },
+    
+    /** 
+     * Method: getFullRequestString
+     * combine the layer's url with its params and these newParams. 
+     *   
+     * Parameters:
+     * newParams - {Object} New parameters that should be added to the 
+     *                      request string.
+     * altUrl - {String} (optional) Replace the URL in the full request  
+     *                              string with the provided URL.
+     * 
+     * Returns: 
+     * {String} A string with the layer's url and parameters embedded in it.
+     */
+    getFullRequestString:function(newParams, altUrl) {
+        // use layer's url unless altUrl passed in
+        var url = (altUrl == null) ? this.url : altUrl;
+        
+        // create a new params hashtable with all the layer params and the 
+        // new params together. then convert to string
+        var allParams = OpenLayers.Util.extend({}, this.params);
+        allParams = OpenLayers.Util.extend(allParams, newParams);
+        var paramsString = OpenLayers.Util.getParameterString(allParams);
+        
+        // if url is not a string, it should be an array of strings, 
+        // in which case we will deterministically select one of them in 
+        // order to evenly distribute requests to different urls.
+        if (OpenLayers.Util.isArray(url)) {
+            url = this.selectUrl(paramsString, url);
+        }   
+        
+        // ignore parameters that are already in the url search string
+        var urlParams = OpenLayers.Util.upperCaseObject(
+                            OpenLayers.Util.getParameters(url));
+        for(var key in allParams) {
+            if(key.toUpperCase() in urlParams) {
+                delete allParams[key];
+            }
+        }
+        paramsString = OpenLayers.Util.getParameterString(allParams);
+        
+        // requestString always starts with url
+        var requestString = url;        
+
+        // MapServer needs '+' seperating things like bounds/height/width.
+        //   Since typically this is URL encoded, we use a slight hack: we
+        //  depend on the list-like functionality of getParameterString to
+        //  leave ',' only in the case of list items (since otherwise it is
+        //  encoded) then do a regular expression replace on the , characters
+        //  to '+'
+        //
+        paramsString = paramsString.replace(/,/g, "+");
+        
+        if (paramsString != "") {
+            var lastServerChar = url.charAt(url.length - 1);
+            if ((lastServerChar == "&") || (lastServerChar == "?")) {
+                requestString += paramsString;
+            } else {
+                if (url.indexOf('?') == -1) {
+                    //serverPath has no ? -- add one
+                    requestString += '?' + paramsString;
+                } else {
+                    //serverPath contains ?, so must already have paramsString at the end
+                    requestString += '&' + paramsString;
+                }
+            }
+        }
+        return requestString;
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.MapServer"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Markers.js b/misc/openlayers/lib/OpenLayers/Layer/Markers.js
new file mode 100644
index 0000000..de848d4
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Markers.js
@@ -0,0 +1,187 @@
+/* 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.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.Markers
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer> 
+ */
+OpenLayers.Layer.Markers = OpenLayers.Class(OpenLayers.Layer, {
+    
+    /** 
+     * APIProperty: isBaseLayer 
+     * {Boolean} Markers layer is never a base layer.  
+     */
+    isBaseLayer: false,
+    
+    /** 
+     * APIProperty: markers 
+     * {Array(<OpenLayers.Marker>)} internal marker list 
+     */
+    markers: null,
+
+
+    /** 
+     * Property: drawn 
+     * {Boolean} internal state of drawing. This is a workaround for the fact
+     * that the map does not call moveTo with a zoomChanged when the map is
+     * first starting up. This lets us catch the case where we have *never*
+     * drawn the layer, and draw it even if the zoom hasn't changed.
+     */
+    drawn: false,
+    
+    /**
+     * Constructor: OpenLayers.Layer.Markers 
+     * Create a Markers layer.
+     *
+     * Parameters:
+     * name - {String} 
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, options) {
+        OpenLayers.Layer.prototype.initialize.apply(this, arguments);
+        this.markers = [];
+    },
+    
+    /**
+     * APIMethod: destroy 
+     */
+    destroy: function() {
+        this.clearMarkers();
+        this.markers = null;
+        OpenLayers.Layer.prototype.destroy.apply(this, arguments);
+    },
+
+    /**
+     * APIMethod: setOpacity
+     * Sets the opacity for all the markers.
+     * 
+     * Parameters:
+     * opacity - {Float}
+     */
+    setOpacity: function(opacity) {
+        if (opacity != this.opacity) {
+            this.opacity = opacity;
+            for (var i=0, len=this.markers.length; i<len; i++) {
+                this.markers[i].setOpacity(this.opacity);
+            }
+        }
+    },
+
+    /** 
+     * Method: moveTo
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>} 
+     * zoomChanged - {Boolean} 
+     * dragging - {Boolean} 
+     */
+    moveTo:function(bounds, zoomChanged, dragging) {
+        OpenLayers.Layer.prototype.moveTo.apply(this, arguments);
+
+        if (zoomChanged || !this.drawn) {
+            for(var i=0, len=this.markers.length; i<len; i++) {
+                this.drawMarker(this.markers[i]);
+            }
+            this.drawn = true;
+        }
+    },
+
+    /**
+     * APIMethod: addMarker
+     *
+     * Parameters:
+     * marker - {<OpenLayers.Marker>} 
+     */
+    addMarker: function(marker) {
+        this.markers.push(marker);
+
+        if (this.opacity < 1) {
+            marker.setOpacity(this.opacity);
+        }
+
+        if (this.map && this.map.getExtent()) {
+            marker.map = this.map;
+            this.drawMarker(marker);
+        }
+    },
+
+    /**
+     * APIMethod: removeMarker
+     *
+     * Parameters:
+     * marker - {<OpenLayers.Marker>} 
+     */
+    removeMarker: function(marker) {
+        if (this.markers && this.markers.length) {
+            OpenLayers.Util.removeItem(this.markers, marker);
+            marker.erase();
+        }
+    },
+
+    /**
+     * Method: clearMarkers
+     * This method removes all markers from a layer. The markers are not
+     * destroyed by this function, but are removed from the list of markers.
+     */
+    clearMarkers: function() {
+        if (this.markers != null) {
+            while(this.markers.length > 0) {
+                this.removeMarker(this.markers[0]);
+            }
+        }
+    },
+
+    /** 
+     * Method: drawMarker
+     * Calculate the pixel location for the marker, create it, and 
+     *    add it to the layer's div
+     *
+     * Parameters:
+     * marker - {<OpenLayers.Marker>} 
+     */
+    drawMarker: function(marker) {
+        var px = this.map.getLayerPxFromLonLat(marker.lonlat);
+        if (px == null) {
+            marker.display(false);
+        } else {
+            if (!marker.isDrawn()) {
+                var markerImg = marker.draw(px);
+                this.div.appendChild(markerImg);
+            } else if(marker.icon) {
+                marker.icon.moveTo(px);
+            }
+        }
+    },
+    
+    /** 
+     * APIMethod: getDataExtent
+     * Calculates the max extent which includes all of the markers.
+     * 
+     * Returns:
+     * {<OpenLayers.Bounds>}
+     */
+    getDataExtent: function () {
+        var maxExtent = null;
+        
+        if ( this.markers && (this.markers.length > 0)) {
+            var maxExtent = new OpenLayers.Bounds();
+            for(var i=0, len=this.markers.length; i<len; i++) {
+                var marker = this.markers[i];
+                maxExtent.extend(marker.lonlat);
+            }
+        }
+
+        return maxExtent;
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.Markers"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/OSM.js b/misc/openlayers/lib/OpenLayers/Layer/OSM.js
new file mode 100644
index 0000000..49150fd
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/OSM.js
@@ -0,0 +1,123 @@
+/* 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/XYZ.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.OSM
+ * This layer allows accessing OpenStreetMap tiles. By default the OpenStreetMap
+ *    hosted tile.openstreetmap.org Mapnik tileset is used. If you wish to use
+ *    a different layer instead, you need to provide a different
+ *    URL to the constructor. Here's an example for using OpenCycleMap:
+ * 
+ * (code)
+ *     new OpenLayers.Layer.OSM("OpenCycleMap", 
+ *       ["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}/${y}.png"]); 
+ * (end)
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.XYZ>
+ */
+OpenLayers.Layer.OSM = OpenLayers.Class(OpenLayers.Layer.XYZ, {
+
+    /**
+     * APIProperty: name
+     * {String} The layer name. Defaults to "OpenStreetMap" if the first
+     * argument to the constructor is null or undefined.
+     */
+    name: "OpenStreetMap",
+
+    /**
+     * APIProperty: url
+     * {String} The tileset URL scheme. Defaults to
+     * : http://[a|b|c].tile.openstreetmap.org/${z}/${x}/${y}.png
+     * (the official OSM tileset) if the second argument to the constructor
+     * is null or undefined. To use another tileset you can have something
+     * like this:
+     * (code)
+     *     new OpenLayers.Layer.OSM("OpenCycleMap", 
+     *       ["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}/${y}.png"]); 
+     * (end)
+     */
+    url: [
+        'http://a.tile.openstreetmap.org/${z}/${x}/${y}.png',
+        'http://b.tile.openstreetmap.org/${z}/${x}/${y}.png',
+        'http://c.tile.openstreetmap.org/${z}/${x}/${y}.png'
+    ],
+
+    /**
+     * Property: attribution
+     * {String} The layer attribution.
+     */
+    attribution: "&copy; <a href='http://www.openstreetmap.org/copyright'>OpenStreetMap</a> contributors",
+
+    /**
+     * Property: sphericalMercator
+     * {Boolean}
+     */
+    sphericalMercator: true,
+
+    /**
+     * Property: wrapDateLine
+     * {Boolean}
+     */
+    wrapDateLine: true,
+
+    /** APIProperty: tileOptions
+     *  {Object} optional configuration options for <OpenLayers.Tile> instances
+     *  created by this Layer. Default is
+     *
+     *  (code)
+     *  {crossOriginKeyword: 'anonymous'}
+     *  (end)
+     *
+     *  When using OSM tilesets other than the default ones, it may be
+     *  necessary to set this to
+     *
+     *  (code)
+     *  {crossOriginKeyword: null}
+     *  (end)
+     *
+     *  if the server does not send Access-Control-Allow-Origin headers.
+     */
+    tileOptions: null,
+
+    /**
+     * Constructor: OpenLayers.Layer.OSM
+     *
+     * Parameters:
+     * name - {String} The layer name.
+     * url - {String} The tileset URL scheme.
+     * options - {Object} Configuration options for the layer. Any inherited
+     *     layer option can be set in this object (e.g.
+     *     <OpenLayers.Layer.Grid.buffer>).
+     */
+    initialize: function(name, url, options) {
+        OpenLayers.Layer.XYZ.prototype.initialize.apply(this, arguments);
+        this.tileOptions = OpenLayers.Util.extend({
+            crossOriginKeyword: 'anonymous'
+        }, this.options && this.options.tileOptions);
+    },
+
+    /**
+     * Method: clone
+     */
+    clone: function(obj) {
+        if (obj == null) {
+            obj = new OpenLayers.Layer.OSM(
+                this.name, this.url, this.getOptions());
+        }
+        obj = OpenLayers.Layer.XYZ.prototype.clone.apply(this, [obj]);
+        return obj;
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.OSM"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/PointGrid.js b/misc/openlayers/lib/OpenLayers/Layer/PointGrid.js
new file mode 100644
index 0000000..10a4d02
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/PointGrid.js
@@ -0,0 +1,299 @@
+/* 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/Vector.js
+ * @requires OpenLayers/Geometry/Polygon.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.PointGrid
+ * A point grid layer dynamically generates a regularly spaced grid of point
+ *     features.  This is a specialty layer for cases where an application needs
+ *     a regular grid of points.  It can be used, for example, in an editing
+ *     environment to snap to a grid.
+ *
+ * Create a new vector layer with the <OpenLayers.Layer.PointGrid> constructor.
+ * (code)
+ * // create a grid with points spaced at 10 map units
+ * var points = new OpenLayers.Layer.PointGrid({dx: 10, dy: 10});
+ *
+ * // create a grid with different x/y spacing rotated 15 degrees clockwise.
+ * var points = new OpenLayers.Layer.PointGrid({dx: 5, dy: 10, rotation: 15});
+ * (end)
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.Vector>
+ */
+OpenLayers.Layer.PointGrid = OpenLayers.Class(OpenLayers.Layer.Vector, {
+
+    /**
+     * APIProperty: dx
+     * {Number} Point grid spacing in the x-axis direction (map units).  
+     * Read-only.  Use the <setSpacing> method to modify this value.
+     */
+    dx: null,
+
+    /**
+     * APIProperty: dy
+     * {Number} Point grid spacing in the y-axis direction (map units).  
+     * Read-only.  Use the <setSpacing> method to modify this value.
+     */
+    dy: null,
+
+    /**
+     * APIProperty: ratio
+     * {Number} Ratio of the desired grid size to the map viewport size.  
+     * Default is 1.5.  Larger ratios mean the grid is recalculated less often 
+     * while panning.  The <maxFeatures> setting has precedence when determining
+     * grid size.  Read-only.  Use the <setRatio> method to modify this value.
+     */
+    ratio: 1.5,
+
+    /**
+     * APIProperty: maxFeatures
+     * {Number} The maximum number of points to generate in the grid.  Default
+     * is 250.  Read-only.  Use the <setMaxFeatures> method to modify this value.
+     */
+    maxFeatures: 250,
+
+    /**
+     * APIProperty: rotation
+     * {Number} Grid rotation (in degrees clockwise from the positive x-axis).
+     * Default is 0.  Read-only.  Use the <setRotation> method to modify this
+     * value.
+     */
+    rotation: 0,
+
+    /**
+     * APIProperty: origin
+     * {<OpenLayers.LonLat>} Grid origin.  The grid lattice will be aligned with 
+     * the origin.  If not set at construction, the center of the map's maximum 
+     * extent is used.  Read-only.  Use the <setOrigin> method to modify this 
+     * value.
+     */
+    origin: null,
+
+    /**
+     * Property: gridBounds
+     * {<OpenLayers.Bounds>}  Internally cached grid bounds (with optional 
+     * rotation applied).
+     */
+    gridBounds: null,
+
+    /**
+     * Constructor: OpenLayers.Layer.PointGrid
+     * Creates a new point grid layer.
+     *
+     * Parameters:
+     * config - {Object} An object containing all configuration properties for
+     *     the layer.  The <dx> and <dy> properties are required to be set at 
+     *     construction.  Any other layer properties may be set in this object.
+     */
+    initialize: function(config) {
+        config = config || {};
+        OpenLayers.Layer.Vector.prototype.initialize.apply(this, [config.name, config]);
+    },
+    
+    /** 
+     * Method: setMap
+     * The layer has been added to the map. 
+     * 
+     * Parameters:
+     * map - {<OpenLayers.Map>} 
+     */
+    setMap: function(map) {        
+        OpenLayers.Layer.Vector.prototype.setMap.apply(this, arguments);
+        map.events.register("moveend", this, this.onMoveEnd);
+    },
+
+    /**
+     * Method: removeMap
+     * The layer has been removed from the map.
+     *
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    removeMap: function(map) {
+        map.events.unregister("moveend", this, this.onMoveEnd);
+        OpenLayers.Layer.Vector.prototype.removeMap.apply(this, arguments);
+    },
+    
+    /**
+     * APIMethod: setRatio
+     * Set the grid <ratio> property and update the grid.  Can only be called
+     *     after the layer has been added to a map with a center/extent.
+     *
+     * Parameters:
+     * ratio - {Number}
+     */
+    setRatio: function(ratio) {
+        this.ratio = ratio;
+        this.updateGrid(true);
+    },
+    
+    /**
+     * APIMethod: setMaxFeatures
+     * Set the grid <maxFeatures> property and update the grid.  Can only be 
+     *     called after the layer has been added to a map with a center/extent.
+     *
+     * Parameters:
+     * maxFeatures - {Number}
+     */
+    setMaxFeatures: function(maxFeatures) {
+        this.maxFeatures = maxFeatures;
+        this.updateGrid(true);
+    },
+
+    /**
+     * APIMethod: setSpacing
+     * Set the grid <dx> and <dy> properties and update the grid.  If only one
+     *     argument is provided, it will be set as <dx> and <dy>.  Can only be 
+     *     called after the layer has been added to a map with a center/extent.
+     *
+     * Parameters:
+     * dx - {Number}
+     * dy - {Number}
+     */
+    setSpacing: function(dx, dy) {
+        this.dx = dx;
+        this.dy = dy || dx;
+        this.updateGrid(true);
+    },
+    
+    /**
+     * APIMethod: setOrigin
+     * Set the grid <origin> property and update the grid.  Can only be called
+     *     after the layer has been added to a map with a center/extent.
+     *
+     * Parameters:
+     * origin - {<OpenLayers.LonLat>}
+     */
+    setOrigin: function(origin) {
+        this.origin = origin;
+        this.updateGrid(true);
+    },
+    
+    /**
+     * APIMethod: getOrigin
+     * Get the grid <origin> property.
+     *
+     * Returns:
+     * {<OpenLayers.LonLat>} The grid origin.
+     */
+    getOrigin: function() {
+        if (!this.origin) {
+            this.origin = this.map.getExtent().getCenterLonLat();
+        }
+        return this.origin;
+    },
+    
+    /**
+     * APIMethod: setRotation
+     * Set the grid <rotation> property and update the grid.  Rotation values
+     *     are in degrees clockwise from the positive x-axis (negative values
+     *     for counter-clockwise rotation).  Can only be called after the layer 
+     *     has been added to a map with a center/extent.
+     *
+     * Parameters:
+     * rotation - {Number} Degrees clockwise from the positive x-axis.
+     */
+    setRotation: function(rotation) {
+        this.rotation = rotation;
+        this.updateGrid(true);
+    },
+    
+    /**
+     * Method: onMoveEnd
+     * Listener for map "moveend" events.
+     */
+    onMoveEnd: function() {
+        this.updateGrid();
+    },
+    
+    /**
+     * Method: getViewBounds
+     * Gets the (potentially rotated) view bounds for grid calculations.
+     *
+     * Returns:
+     * {<OpenLayers.Bounds>}
+     */
+    getViewBounds: function() {
+        var bounds = this.map.getExtent();
+        if (this.rotation) {
+            var origin = this.getOrigin();
+            var rotationOrigin = new OpenLayers.Geometry.Point(origin.lon, origin.lat);
+            var rect = bounds.toGeometry();
+            rect.rotate(-this.rotation, rotationOrigin);
+            bounds = rect.getBounds();
+        }
+        return bounds;
+    },
+    
+    /**
+     * Method: updateGrid
+     * Update the grid.
+     *
+     * Parameters:
+     * force - {Boolean} Update the grid even if the previous bounds are still
+     *     valid.
+     */
+    updateGrid: function(force) {
+        if (force || this.invalidBounds()) {
+            var viewBounds = this.getViewBounds();
+            var origin = this.getOrigin();
+            var rotationOrigin = new OpenLayers.Geometry.Point(origin.lon, origin.lat);
+            var viewBoundsWidth = viewBounds.getWidth();
+            var viewBoundsHeight = viewBounds.getHeight();
+            var aspectRatio = viewBoundsWidth / viewBoundsHeight;
+            var maxHeight = Math.sqrt(this.dx * this.dy * this.maxFeatures / aspectRatio);
+            var maxWidth = maxHeight * aspectRatio; 
+            var gridWidth = Math.min(viewBoundsWidth * this.ratio, maxWidth);
+            var gridHeight = Math.min(viewBoundsHeight * this.ratio, maxHeight);
+            var center = viewBounds.getCenterLonLat();
+            this.gridBounds = new OpenLayers.Bounds(
+                center.lon - (gridWidth / 2),
+                center.lat - (gridHeight / 2),
+                center.lon + (gridWidth / 2),
+                center.lat + (gridHeight / 2)
+            );
+            var rows = Math.floor(gridHeight / this.dy);
+            var cols = Math.floor(gridWidth / this.dx);
+            var gridLeft = origin.lon + (this.dx * Math.ceil((this.gridBounds.left - origin.lon) / this.dx));
+            var gridBottom = origin.lat + (this.dy * Math.ceil((this.gridBounds.bottom - origin.lat) / this.dy));
+            var features = new Array(rows * cols);
+            var x, y, point;
+            for (var i=0; i<cols; ++i) {
+                x = gridLeft + (i * this.dx);
+                for (var j=0; j<rows; ++j) {
+                    y = gridBottom + (j * this.dy);
+                    point = new OpenLayers.Geometry.Point(x, y);
+                    if (this.rotation) {
+                        point.rotate(this.rotation, rotationOrigin);
+                    }
+                    features[(i*rows)+j] = new OpenLayers.Feature.Vector(point);
+                }
+            }
+            this.destroyFeatures(this.features, {silent: true});
+            this.addFeatures(features, {silent: true});
+        }
+    },
+
+    /**
+     * Method: invalidBounds
+     * Determine whether the previously generated point grid is invalid. 
+     *     This occurs when the map bounds extends beyond the previously 
+     *     generated grid bounds.
+     *
+     * Returns:
+     * {Boolean} 
+     */
+    invalidBounds: function() {
+        return !this.gridBounds || !this.gridBounds.containsBounds(this.getViewBounds());
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.PointGrid"
+    
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/PointTrack.js b/misc/openlayers/lib/OpenLayers/Layer/PointTrack.js
new file mode 100644
index 0000000..accfac7
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/PointTrack.js
@@ -0,0 +1,125 @@
+/* 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/Vector.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.PointTrack
+ * Vector layer to display ordered point features as a line, creating one
+ * LineString feature for each pair of two points.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.Vector> 
+ */
+OpenLayers.Layer.PointTrack = OpenLayers.Class(OpenLayers.Layer.Vector, {
+  
+    /**
+     * APIProperty: dataFrom
+     *     {<OpenLayers.Layer.PointTrack.TARGET_NODE>} or
+     *     {<OpenLayers.Layer.PointTrack.SOURCE_NODE>} optional. If the lines
+     *     should get the data/attributes from one of the two points it is
+     *     composed of, which one should it be?
+     */
+    dataFrom: null,
+    
+    /**
+     * APIProperty: styleFrom
+     *     {<OpenLayers.Layer.PointTrack.TARGET_NODE>} or
+     *     {<OpenLayers.Layer.PointTrack.SOURCE_NODE>} optional. If the lines
+     *     should get the style from one of the two points it is composed of,
+     *     which one should it be?
+     */
+    styleFrom: null,
+    
+    /**
+     * Constructor: OpenLayers.PointTrack
+     * Constructor for a new OpenLayers.PointTrack instance.
+     *
+     * Parameters:
+     * name     - {String} name of the layer
+     * options  - {Object} Optional object with properties to tag onto the
+     *            instance.
+     */    
+        
+    /**
+     * APIMethod: addNodes
+     * Adds point features that will be used to create lines from, using point
+     * pairs. The first point of a pair will be the source node, the second
+     * will be the target node.
+     * 
+     * Parameters:
+     * pointFeatures - {Array(<OpenLayers.Feature>)}
+     * options - {Object}
+     * 
+     * Supported options:
+     * silent - {Boolean} true to suppress (before)feature(s)added events
+     */
+    addNodes: function(pointFeatures, options) {
+        if (pointFeatures.length < 2) {
+            throw new Error("At least two point features have to be added to " +
+                            "create a line from");
+        }
+        
+        var lines = new Array(pointFeatures.length-1);
+        
+        var pointFeature, startPoint, endPoint;
+        for(var i=0, len=pointFeatures.length; i<len; i++) {
+            pointFeature = pointFeatures[i];
+            endPoint = pointFeature.geometry;
+            
+            if (!endPoint) {
+              var lonlat = pointFeature.lonlat;
+              endPoint = new OpenLayers.Geometry.Point(lonlat.lon, lonlat.lat);
+            } else if(endPoint.CLASS_NAME != "OpenLayers.Geometry.Point") {
+                throw new TypeError("Only features with point geometries are supported.");
+            }
+            
+            if(i > 0) {
+                var attributes = (this.dataFrom != null) ?
+                        (pointFeatures[i+this.dataFrom].data ||
+                                pointFeatures[i+this.dataFrom].attributes) :
+                        null;
+                var style = (this.styleFrom != null) ?
+                        (pointFeatures[i+this.styleFrom].style) :
+                        null;
+                var line = new OpenLayers.Geometry.LineString([startPoint,
+                        endPoint]);
+                        
+                lines[i-1] = new OpenLayers.Feature.Vector(line, attributes,
+                    style);
+            }
+            
+            startPoint = endPoint;
+        }
+
+        this.addFeatures(lines, options);
+    },
+    
+    CLASS_NAME: "OpenLayers.Layer.PointTrack"
+});
+
+/**
+ * Constant: OpenLayers.Layer.PointTrack.SOURCE_NODE
+ * {Number} value for <OpenLayers.Layer.PointTrack.dataFrom> and
+ * <OpenLayers.Layer.PointTrack.styleFrom>
+ */
+OpenLayers.Layer.PointTrack.SOURCE_NODE = -1;
+
+/**
+ * Constant: OpenLayers.Layer.PointTrack.TARGET_NODE
+ * {Number} value for <OpenLayers.Layer.PointTrack.dataFrom> and
+ * <OpenLayers.Layer.PointTrack.styleFrom>
+ */
+OpenLayers.Layer.PointTrack.TARGET_NODE = 0;
+
+/**
+ * Constant: OpenLayers.Layer.PointTrack.dataFrom
+ * {Object} with the following keys - *deprecated*
+ * - SOURCE_NODE: take data/attributes from the source node of the line
+ * - TARGET_NODE: take data/attributes from the target node of the line
+ */
+OpenLayers.Layer.PointTrack.dataFrom = {'SOURCE_NODE': -1, 'TARGET_NODE': 0};
diff --git a/misc/openlayers/lib/OpenLayers/Layer/SphericalMercator.js b/misc/openlayers/lib/OpenLayers/Layer/SphericalMercator.js
new file mode 100644
index 0000000..60bb2fe
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/SphericalMercator.js
@@ -0,0 +1,146 @@
+/* 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.js
+ * @requires OpenLayers/Projection.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.SphericalMercator
+ * A mixin for layers that wraps up the pieces neccesary to have a coordinate
+ *     conversion for working with commercial APIs which use a spherical
+ *     mercator projection.  Using this layer as a base layer, additional
+ *     layers can be used as overlays if they are in the same projection.
+ *
+ * A layer is given properties of this object by setting the sphericalMercator
+ *     property to true.
+ *
+ * More projection information:
+ *  - http://spatialreference.org/ref/user/google-projection/
+ *
+ * Proj4 Text:
+ *     +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0
+ *     +k=1.0 +units=m +nadgrids=@null +no_defs
+ *
+ * WKT:
+ *     900913=PROJCS["WGS84 / Simple Mercator", GEOGCS["WGS 84",
+ *     DATUM["WGS_1984", SPHEROID["WGS_1984", 6378137.0, 298.257223563]], 
+ *     PRIMEM["Greenwich", 0.0], UNIT["degree", 0.017453292519943295], 
+ *     AXIS["Longitude", EAST], AXIS["Latitude", NORTH]],
+ *     PROJECTION["Mercator_1SP_Google"], 
+ *     PARAMETER["latitude_of_origin", 0.0], PARAMETER["central_meridian", 0.0], 
+ *     PARAMETER["scale_factor", 1.0], PARAMETER["false_easting", 0.0], 
+ *     PARAMETER["false_northing", 0.0], UNIT["m", 1.0], AXIS["x", EAST],
+ *     AXIS["y", NORTH], AUTHORITY["EPSG","900913"]]
+ */
+OpenLayers.Layer.SphericalMercator = {
+
+    /**
+     * Method: getExtent
+     * Get the map's extent.
+     *
+     * Returns:
+     * {<OpenLayers.Bounds>} The map extent.
+     */
+    getExtent: function() {
+        var extent = null;
+        if (this.sphericalMercator) {
+            extent = this.map.calculateBounds();
+        } else {
+            extent = OpenLayers.Layer.FixedZoomLevels.prototype.getExtent.apply(this);
+        }
+        return extent;
+    },
+
+    /**
+     * Method: getLonLatFromViewPortPx
+     * Get a map location from a pixel location
+     * 
+     * Parameters:
+     * viewPortPx - {<OpenLayers.Pixel>}
+     *
+     * Returns:
+     *  {<OpenLayers.LonLat>} An OpenLayers.LonLat which is the passed-in view
+     *  port OpenLayers.Pixel, translated into lon/lat by map lib
+     *  If the map lib is not loaded or not centered, returns null
+     */
+    getLonLatFromViewPortPx: function (viewPortPx) {
+        return OpenLayers.Layer.prototype.getLonLatFromViewPortPx.apply(this, arguments);
+    },
+    
+    /**
+     * Method: getViewPortPxFromLonLat
+     * Get a pixel location from a map location
+     *
+     * Parameters:
+     * lonlat - {<OpenLayers.LonLat>}
+     *
+     * Returns:
+     * {<OpenLayers.Pixel>} An OpenLayers.Pixel which is the passed-in
+     * OpenLayers.LonLat, translated into view port pixels by map lib
+     * If map lib is not loaded or not centered, returns null
+     */
+    getViewPortPxFromLonLat: function (lonlat) {
+        return OpenLayers.Layer.prototype.getViewPortPxFromLonLat.apply(this, arguments);
+    },
+
+    /** 
+     * Method: initMercatorParameters 
+     * Set up the mercator parameters on the layer: resolutions,
+     *     projection, units.
+     */
+    initMercatorParameters: function() {
+        // set up properties for Mercator - assume EPSG:900913
+        this.RESOLUTIONS = [];
+        var maxResolution = 156543.03390625;
+        for(var zoom=0; zoom<=this.MAX_ZOOM_LEVEL; ++zoom) {
+            this.RESOLUTIONS[zoom] = maxResolution / Math.pow(2, zoom);
+        }
+        this.units = "m";
+        this.projection = this.projection || "EPSG:900913";
+    },
+
+    /**
+     * APIMethod: forwardMercator
+     * Given a lon,lat in EPSG:4326, return a point in Spherical Mercator.
+     *
+     * Parameters:
+     * lon - {float} 
+     * lat - {float}
+     * 
+     * Returns:
+     * {<OpenLayers.LonLat>} The coordinates transformed to Mercator.
+     */
+    forwardMercator: (function() {
+        var gg = new OpenLayers.Projection("EPSG:4326");
+        var sm = new OpenLayers.Projection("EPSG:900913");
+        return function(lon, lat) {
+            var point = OpenLayers.Projection.transform({x: lon, y: lat}, gg, sm);
+            return new OpenLayers.LonLat(point.x, point.y);
+        };
+    })(),
+
+    /**
+     * APIMethod: inverseMercator
+     * Given a x,y in Spherical Mercator, return a point in EPSG:4326.
+     *
+     * Parameters:
+     * x - {float} A map x in Spherical Mercator.
+     * y - {float} A map y in Spherical Mercator.
+     * 
+     * Returns:
+     * {<OpenLayers.LonLat>} The coordinates transformed to EPSG:4326.
+     */
+    inverseMercator: (function() {
+        var gg = new OpenLayers.Projection("EPSG:4326");
+        var sm = new OpenLayers.Projection("EPSG:900913");
+        return function(x, y) {
+            var point = OpenLayers.Projection.transform({x: x, y: y}, sm, gg);
+            return new OpenLayers.LonLat(point.x, point.y);
+        };
+    })()
+
+};
diff --git a/misc/openlayers/lib/OpenLayers/Layer/TMS.js b/misc/openlayers/lib/OpenLayers/Layer/TMS.js
new file mode 100644
index 0000000..ab76847
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/TMS.js
@@ -0,0 +1,202 @@
+/* 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.TMS
+ * Create a layer for accessing tiles from services that conform with the 
+ *     Tile Map Service Specification 
+ *     (http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification).
+ *
+ * Example:
+ * (code)
+ *     var layer = new OpenLayers.Layer.TMS(
+ *         "My Layer", // name for display in LayerSwitcher
+ *         "http://tilecache.osgeo.org/wms-c/Basic.py/", // service endpoint
+ *         {layername: "basic", type: "png"} // required properties
+ *     );
+ * (end)
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.TMS = OpenLayers.Class(OpenLayers.Layer.Grid, {
+
+    /**
+     * APIProperty: serviceVersion
+     * {String} Service version for tile requests.  Default is "1.0.0".
+     */
+    serviceVersion: "1.0.0",
+
+    /**
+     * APIProperty: layername
+     * {String} The identifier for the <TileMap> as advertised by the service.  
+     *     For example, if the service advertises a <TileMap> with 
+     *    'href="http://tms.osgeo.org/1.0.0/vmap0"', the <layername> property 
+     *     would be set to "vmap0".
+     */
+    layername: null,
+
+    /**
+     * APIProperty: type
+     * {String} The format extension corresponding to the requested tile image
+     *     type.  This is advertised in a <TileFormat> element as the 
+     *     "extension" attribute.  For example, if the service advertises a 
+     *     <TileMap> with <TileFormat width="256" height="256" mime-type="image/jpeg" extension="jpg" />,
+     *     the <type> property would be set to "jpg".
+     */
+    type: null,
+
+    /**
+     * APIProperty: isBaseLayer
+     * {Boolean} Make this layer a base layer.  Default is true.  Set false to
+     *     use the layer as an overlay.
+     */
+    isBaseLayer: true,
+
+    /**
+     * APIProperty: tileOrigin
+     * {<OpenLayers.LonLat>} Optional origin for aligning the grid of tiles.
+     *     If provided, requests for tiles at all resolutions will be aligned
+     *     with this location (no tiles shall overlap this location).  If
+     *     not provided, the grid of tiles will be aligned with the bottom-left
+     *     corner of the map's <maxExtent>.  Default is ``null``.
+     *
+     * Example:
+     * (code)
+     *     var layer = new OpenLayers.Layer.TMS(
+     *         "My Layer",
+     *         "http://tilecache.osgeo.org/wms-c/Basic.py/",
+     *         {
+     *             layername: "basic", 
+     *             type: "png",
+     *             // set if different than the bottom left of map.maxExtent
+     *             tileOrigin: new OpenLayers.LonLat(-180, -90)
+     *         }
+     *     );
+     * (end)
+     */
+    tileOrigin: null,
+
+    /**
+     * 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,
+
+    /**
+     * 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,
+    
+    /**
+     * Constructor: OpenLayers.Layer.TMS
+     * 
+     * Parameters:
+     * name - {String} Title to be displayed in a <OpenLayers.Control.LayerSwitcher>
+     * url - {String} Service endpoint (without the version number).  E.g.
+     *     "http://tms.osgeo.org/".
+     * options - {Object} Additional properties to be set on the layer.  The
+     *     <layername> and <type> properties must be set here.
+     */
+    initialize: function(name, url, options) {
+        var newArguments = [];
+        newArguments.push(name, url, {}, options);
+        OpenLayers.Layer.Grid.prototype.initialize.apply(this, newArguments);
+    },    
+
+    /**
+     * APIMethod: clone
+     * Create a complete copy of this layer.
+     *
+     * Parameters:
+     * obj - {Object} Should only be provided by subclasses that call this
+     *     method.
+     * 
+     * Returns:
+     * {<OpenLayers.Layer.TMS>} An exact clone of this <OpenLayers.Layer.TMS>
+     */
+    clone: function (obj) {
+        
+        if (obj == null) {
+            obj = new OpenLayers.Layer.TMS(this.name,
+                                           this.url,
+                                           this.getOptions());
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+
+        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) {
+        bounds = this.adjustBounds(bounds);
+        var res = this.getServerResolution();
+        var x = Math.round((bounds.left - this.tileOrigin.lon) / (res * this.tileSize.w));
+        var y = Math.round((bounds.bottom - this.tileOrigin.lat) / (res * this.tileSize.h));
+        var z = this.getServerZoom();
+        var path = this.serviceVersion + "/" + this.layername + "/" + z + "/" + x + "/" + y + "." + this.type; 
+        var url = this.url;
+        if (OpenLayers.Util.isArray(url)) {
+            url = this.selectUrl(path, url);
+        }
+        return url + path;
+    },
+
+    /** 
+     * Method: 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.map.maxExtent.left,
+                                                this.map.maxExtent.bottom);
+        }                                       
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.TMS"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Text.js b/misc/openlayers/lib/OpenLayers/Layer/Text.js
new file mode 100644
index 0000000..4a4c9e3
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Text.js
@@ -0,0 +1,267 @@
+/* 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/Markers.js
+ * @requires OpenLayers/Format/Text.js
+ * @requires OpenLayers/Request/XMLHttpRequest.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.Text
+ * This layer creates markers given data in a text file.  The <location>
+ *     property of the layer (specified as a property of the options argument
+ *     in the <OpenLayers.Layer.Text> constructor) points to a tab delimited
+ *     file with data used to create markers.
+ *
+ * The first row of the data file should be a header line with the column names
+ *     of the data. Each column should be delimited by a tab space. The
+ *     possible columns are:
+ *      - *point* lat,lon of the point where a marker is to be placed
+ *      - *lat*  Latitude of the point where a marker is to be placed
+ *      - *lon*  Longitude of the point where a marker is to be placed
+ *      - *icon* or *image* URL of marker icon to use.
+ *      - *iconSize* Size of Icon to use.
+ *      - *iconOffset* Where the top-left corner of the icon is to be placed
+ *            relative to the latitude and longitude of the point.
+ *      - *title* The text of the 'title' is placed inside an 'h2' marker
+ *            inside a popup, which opens when the marker is clicked.
+ *      - *description* The text of the 'description' is placed below the h2
+ *            in the popup. this can be plain text or HTML.
+ *
+ * Example text file:
+ * (code)
+ * lat	lon	title	description	iconSize	iconOffset	icon
+ * 10	20	title	description	21,25		-10,-25		http://www.openlayers.org/dev/img/marker.png
+ * (end)
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.Markers>
+ */
+OpenLayers.Layer.Text = OpenLayers.Class(OpenLayers.Layer.Markers, {
+
+    /**
+     * APIProperty: location 
+     * {String} URL of text file.  Must be specified in the "options" argument
+     *   of the constructor. Can not be changed once passed in. 
+     */
+    location:null,
+
+    /** 
+     * Property: features
+     * {Array(<OpenLayers.Feature>)} 
+     */
+    features: null,
+    
+    /**
+     * APIProperty: formatOptions
+     * {Object} Hash of options which should be passed to the format when it is
+     * created. Must be passed in the constructor.
+     */
+    formatOptions: null, 
+
+    /** 
+     * Property: selectedFeature
+     * {<OpenLayers.Feature>}
+     */
+    selectedFeature: null,
+
+    /**
+     * Constructor: OpenLayers.Layer.Text
+     * Create a text layer.
+     * 
+     * Parameters:
+     * name - {String} 
+     * options - {Object} Object with properties to be set on the layer.
+     *     Must include <location> property.
+     */
+    initialize: function(name, options) {
+        OpenLayers.Layer.Markers.prototype.initialize.apply(this, arguments);
+        this.features = [];
+    },
+
+    /**
+     * APIMethod: destroy 
+     */
+    destroy: function() {
+        // Warning: Layer.Markers.destroy() must be called prior to calling
+        // clearFeatures() here, otherwise we leak memory. Indeed, if
+        // Layer.Markers.destroy() is called after clearFeatures(), it won't be
+        // able to remove the marker image elements from the layer's div since
+        // the markers will have been destroyed by clearFeatures().
+        OpenLayers.Layer.Markers.prototype.destroy.apply(this, arguments);
+        this.clearFeatures();
+        this.features = null;
+    },
+    
+    /**
+     * Method: loadText
+     * Start the load of the Text data. Don't do this when we first add the layer,
+     * since we may not be visible at any point, and it would therefore be a waste.
+     */
+    loadText: function() {
+        if (!this.loaded) {
+            if (this.location != null) {
+
+                var onFail = function(e) {
+                    this.events.triggerEvent("loadend");
+                };
+
+                this.events.triggerEvent("loadstart");
+                OpenLayers.Request.GET({
+                    url: this.location,
+                    success: this.parseData,
+                    failure: onFail,
+                    scope: this
+                });
+                this.loaded = true;
+            }
+        }    
+    },    
+    
+    /**
+     * Method: moveTo
+     * If layer is visible and Text has not been loaded, load Text. 
+     * 
+     * Parameters:
+     * bounds - {Object} 
+     * zoomChanged - {Object} 
+     * minor - {Object} 
+     */
+    moveTo:function(bounds, zoomChanged, minor) {
+        OpenLayers.Layer.Markers.prototype.moveTo.apply(this, arguments);
+        if(this.visibility && !this.loaded){
+            this.loadText();
+        }
+    },
+    
+    /**
+     * Method: parseData
+     *
+     * Parameters:
+     * ajaxRequest - {<OpenLayers.Request.XMLHttpRequest>} 
+     */
+    parseData: function(ajaxRequest) {
+        var text = ajaxRequest.responseText;
+        
+        var options = {};
+        
+        OpenLayers.Util.extend(options, this.formatOptions);
+        
+        if (this.map && !this.projection.equals(this.map.getProjectionObject())) {
+            options.externalProjection = this.projection;
+            options.internalProjection = this.map.getProjectionObject();
+        }    
+        
+        var parser = new OpenLayers.Format.Text(options);
+        var features = parser.read(text);
+        for (var i=0, len=features.length; i<len; i++) {
+            var data = {};
+            var feature = features[i];
+            var location;
+            var iconSize, iconOffset;
+            
+            location = new OpenLayers.LonLat(feature.geometry.x, 
+                                             feature.geometry.y);
+            
+            if (feature.style.graphicWidth 
+                && feature.style.graphicHeight) {
+                iconSize = new OpenLayers.Size(
+                    feature.style.graphicWidth,
+                    feature.style.graphicHeight);
+            }        
+            
+            // FIXME: At the moment, we only use this if we have an 
+            // externalGraphic, because icon has no setOffset API Method.
+            /**
+             * FIXME FIRST!!
+             * The Text format does all sorts of parseFloating
+             * The result of a parseFloat for a bogus string is NaN.  That
+             * means the three possible values here are undefined, NaN, or a
+             * number.  The previous check was an identity check for null.  This
+             * means it was failing for all undefined or NaN.  A slightly better
+             * check is for undefined.  An even better check is to see if the
+             * value is a number (see #1441).
+             */
+            if (feature.style.graphicXOffset !== undefined
+                && feature.style.graphicYOffset !== undefined) {
+                iconOffset = new OpenLayers.Pixel(
+                    feature.style.graphicXOffset, 
+                    feature.style.graphicYOffset);
+            }
+            
+            if (feature.style.externalGraphic != null) {
+                data.icon = new OpenLayers.Icon(feature.style.externalGraphic, 
+                                                iconSize, 
+                                                iconOffset);
+            } else {
+                data.icon = OpenLayers.Marker.defaultIcon();
+
+                //allows for the case where the image url is not 
+                // specified but the size is. use a default icon
+                // but change the size
+                if (iconSize != null) {
+                    data.icon.setSize(iconSize);
+                }
+            }
+            
+            if ((feature.attributes.title != null) 
+                && (feature.attributes.description != null)) {
+                data['popupContentHTML'] = 
+                    '<h2>'+feature.attributes.title+'</h2>' + 
+                    '<p>'+feature.attributes.description+'</p>';
+            }
+            
+            data['overflow'] = feature.attributes.overflow || "auto"; 
+            
+            var markerFeature = new OpenLayers.Feature(this, location, data);
+            this.features.push(markerFeature);
+            var marker = markerFeature.createMarker();
+            if ((feature.attributes.title != null) 
+                && (feature.attributes.description != null)) {
+              marker.events.register('click', markerFeature, this.markerClick);
+            }
+            this.addMarker(marker);
+        }
+        this.events.triggerEvent("loadend");
+    },
+    
+    /**
+     * Property: markerClick
+     * 
+     * Parameters:
+     * evt - {Event} 
+     *
+     * Context:
+     * - {<OpenLayers.Feature>}
+     */
+    markerClick: function(evt) {
+        var sameMarkerClicked = (this == this.layer.selectedFeature);
+        this.layer.selectedFeature = (!sameMarkerClicked) ? this : null;
+        for(var i=0, len=this.layer.map.popups.length; i<len; i++) {
+            this.layer.map.removePopup(this.layer.map.popups[i]);
+        }
+        if (!sameMarkerClicked) {
+            this.layer.map.addPopup(this.createPopup()); 
+        }
+        OpenLayers.Event.stop(evt);
+    },
+
+    /**
+     * Method: clearFeatures
+     */
+    clearFeatures: function() {
+        if (this.features != null) {
+            while(this.features.length > 0) {
+                var feature = this.features[0];
+                OpenLayers.Util.removeItem(this.features, feature);
+                feature.destroy();
+            }
+        }        
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.Text"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/TileCache.js b/misc/openlayers/lib/OpenLayers/Layer/TileCache.js
new file mode 100644
index 0000000..5b336be
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/TileCache.js
@@ -0,0 +1,140 @@
+/* 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.TileCache
+ * A read only TileCache layer.  Used to requests tiles cached by TileCache in
+ *     a web accessible cache.  This means that you have to pre-populate your
+ *     cache before this layer can be used.  It is meant only to read tiles
+ *     created by TileCache, and not to make calls to TileCache for tile
+ *     creation.  Create a new instance with the
+ *     <OpenLayers.Layer.TileCache> constructor.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.TileCache = OpenLayers.Class(OpenLayers.Layer.Grid, {
+
+    /** 
+     * APIProperty: isBaseLayer
+     * {Boolean} Treat this layer as a base layer.  Default is true.
+     */
+    isBaseLayer: true,
+    
+    /** 
+     * APIProperty: format
+     * {String} Mime type of the images returned.  Default is image/png.
+     */
+    format: 'image/png',
+
+    /**
+     * 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. (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.TileCache
+     * Create a new read only TileCache layer.
+     *
+     * Parameters:
+     * name - {String} Name of the layer displayed in the interface
+     * url - {String} Location of the web accessible cache (not the location of
+     *     your tilecache script!)
+     * layername - {String} Layer name as defined in the TileCache 
+     *     configuration
+     * options - {Object} Optional object with properties to be set on the
+     *     layer.  Note that you should speficy your resolutions to match
+     *     your TileCache configuration.  This can be done by setting
+     *     the resolutions array directly (here or on the map), by setting
+     *     maxResolution and numZoomLevels, or by using scale based properties.
+     */
+    initialize: function(name, url, layername, options) {
+        this.layername = layername;
+        OpenLayers.Layer.Grid.prototype.initialize.apply(this,
+                                                         [name, url, {}, options]);
+        this.extension = this.format.split('/')[1].toLowerCase();
+        this.extension = (this.extension == 'jpg') ? 'jpeg' : this.extension;
+    },    
+
+    /**
+     * APIMethod: clone
+     * obj - {Object} 
+     * 
+     * Returns:
+     * {<OpenLayers.Layer.TileCache>} An exact clone of this 
+     *     <OpenLayers.Layer.TileCache>
+     */
+    clone: function (obj) {
+        
+        if (obj == null) {
+            obj = new OpenLayers.Layer.TileCache(this.name,
+                                                 this.url,
+                                                 this.layername,
+                                                 this.getOptions());
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+
+        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 res = this.getServerResolution();
+        var bbox = this.maxExtent;
+        var size = this.tileSize;
+        var tileX = Math.round((bounds.left - bbox.left) / (res * size.w));
+        var tileY = Math.round((bounds.bottom - bbox.bottom) / (res * size.h));
+        var tileZ = this.serverResolutions != null ?
+            OpenLayers.Util.indexOf(this.serverResolutions, res) :
+            this.map.getZoom();
+
+        var components = [
+            this.layername,
+            OpenLayers.Number.zeroPad(tileZ, 2),
+            OpenLayers.Number.zeroPad(parseInt(tileX / 1000000), 3),
+            OpenLayers.Number.zeroPad((parseInt(tileX / 1000) % 1000), 3),
+            OpenLayers.Number.zeroPad((parseInt(tileX) % 1000), 3),
+            OpenLayers.Number.zeroPad(parseInt(tileY / 1000000), 3),
+            OpenLayers.Number.zeroPad((parseInt(tileY / 1000) % 1000), 3),
+            OpenLayers.Number.zeroPad((parseInt(tileY) % 1000), 3) + '.' + this.extension
+        ];
+        var path = components.join('/'); 
+        var url = this.url;
+        if (OpenLayers.Util.isArray(url)) {
+            url = this.selectUrl(path, url);
+        }
+        url = (url.charAt(url.length - 1) == '/') ? url : url + '/';
+        return url + path;
+    },
+    
+    CLASS_NAME: "OpenLayers.Layer.TileCache"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/UTFGrid.js b/misc/openlayers/lib/OpenLayers/Layer/UTFGrid.js
new file mode 100644
index 0000000..878cb4b
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/UTFGrid.js
@@ -0,0 +1,184 @@
+/* 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/XYZ.js
+ * @requires OpenLayers/Tile/UTFGrid.js
+ */
+
+/** 
+ * Class: OpenLayers.Layer.UTFGrid
+ * This Layer reads from UTFGrid tiled data sources.  Since UTFGrids are 
+ * essentially JSON-based ASCII art with attached attributes, they are not 
+ * visibly rendered.  In order to use them in the map, you must add a 
+ * <OpenLayers.Control.UTFGrid> control as well.
+ *
+ * Example:
+ *
+ * (start code)
+ * var world_utfgrid = new OpenLayers.Layer.UTFGrid({
+ *     url: "/tiles/world_utfgrid/${z}/${x}/${y}.json",
+ *     utfgridResolution: 4,
+ *     displayInLayerSwitcher: false
+ * );
+ * map.addLayer(world_utfgrid);
+ * 
+ * var control = new OpenLayers.Control.UTFGrid({
+ *     layers: [world_utfgrid],
+ *     handlerMode: 'move',
+ *     callback: function(dataLookup) {
+ *         // do something with returned data
+ *     }
+ * })
+ * (end code)
+ *
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.XYZ>
+ */
+OpenLayers.Layer.UTFGrid = OpenLayers.Class(OpenLayers.Layer.XYZ, {
+    
+    /**
+     * APIProperty: isBaseLayer
+     * Default is false, as UTFGrids are designed to be a transparent overlay layer. 
+     */
+    isBaseLayer: false,
+    
+    /**
+     * APIProperty: projection
+     * {<OpenLayers.Projection>}
+     * Source projection for the UTFGrids.  Default is "EPSG:900913".
+     */
+    projection: new OpenLayers.Projection("EPSG:900913"),
+
+    /**
+     * Property: useJSONP
+     * {Boolean}
+     * Should we use a JSONP script approach instead of a standard AJAX call?
+     *
+     * Set to true for using utfgrids from another server. 
+     * Avoids same-domain policy restrictions. 
+     * Note that this only works if the server accepts 
+     * the callback GET parameter and dynamically 
+     * wraps the returned json in a function call.
+     * 
+     * Default is false
+     */
+    useJSONP: false,
+    
+    /**
+     * APIProperty: url
+     * {String}
+     * URL tempate for UTFGrid tiles.  Include x, y, and z parameters.
+     * E.g. "/tiles/${z}/${x}/${y}.json"
+     */
+
+    /**
+     * APIProperty: utfgridResolution
+     * {Number}
+     * Ratio of the pixel width to the width of a UTFGrid data point.  If an 
+     *     entry in the grid represents a 4x4 block of pixels, the 
+     *     utfgridResolution would be 4.  Default is 2 (specified in 
+     *     <OpenLayers.Tile.UTFGrid>).
+     */
+
+    /**
+     * Property: tileClass
+     * {<OpenLayers.Tile>} The tile class to use for this layer.
+     *     Defaults is <OpenLayers.Tile.UTFGrid>.
+     */
+    tileClass: OpenLayers.Tile.UTFGrid,
+
+    /**
+     * Constructor: OpenLayers.Layer.UTFGrid
+     * Create a new UTFGrid layer.
+     *
+     * Parameters:
+     * config - {Object} Configuration properties for the layer.
+     *
+     * Required configuration properties:
+     * url - {String} The url template for UTFGrid tiles.  See the <url> property.
+     */
+    initialize: function(options) {
+        OpenLayers.Layer.Grid.prototype.initialize.apply(
+            this, [options.name, options.url, {}, options]
+        );
+        this.tileOptions = OpenLayers.Util.extend({
+            utfgridResolution: this.utfgridResolution
+        }, this.tileOptions);
+    },
+
+    /**
+     * Method: createBackBuffer
+     * The UTFGrid cannot create a back buffer, so this method is overriden.
+     */
+    createBackBuffer: function() {},
+    
+    /**
+     * APIMethod: clone
+     * Create a clone of this layer
+     *
+     * Parameters:
+     * obj - {Object} Only used by a subclass of this layer.
+     * 
+     * Returns:
+     * {<OpenLayers.Layer.UTFGrid>} An exact clone of this OpenLayers.Layer.UTFGrid
+     */
+    clone: function (obj) {
+        if (obj == null) {
+            obj = new OpenLayers.Layer.UTFGrid(this.getOptions());
+        }
+
+        // get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+        return obj;
+    },
+
+    /**
+     * APIProperty: getFeatureInfo
+     * Get details about a feature associated with a map location.  The object
+     *     returned will have id and data properties.  If the given location
+     *     doesn't correspond to a feature, null will be returned.
+     *
+     * Parameters:
+     * location - {<OpenLayers.LonLat>} map location
+     *
+     * Returns:
+     * {Object} Object representing the feature id and UTFGrid data 
+     *     corresponding to the given map location.  Returns null if the given
+     *     location doesn't hit a feature.
+     */
+    getFeatureInfo: function(location) {
+        var info = null;
+        var tileInfo = this.getTileData(location);
+        if (tileInfo && tileInfo.tile) {
+            info = tileInfo.tile.getFeatureInfo(tileInfo.i, tileInfo.j);
+        }
+        return info;
+    },
+
+    /**
+     * APIMethod: getFeatureId
+     * Get the identifier for the feature associated with a map location.
+     *
+     * Parameters:
+     * location - {<OpenLayers.LonLat>} map location
+     *
+     * Returns:
+     * {String} The feature identifier corresponding to the given map location.
+     *     Returns null if the location doesn't hit a feature.
+     */
+    getFeatureId: function(location) {
+        var id = null;
+        var info = this.getTileData(location);
+        if (info.tile) {
+            id = info.tile.getFeatureId(info.i, info.j);
+        }
+        return id;
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.UTFGrid"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Vector.js b/misc/openlayers/lib/OpenLayers/Layer/Vector.js
new file mode 100644
index 0000000..4ef4cbf
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Vector.js
@@ -0,0 +1,1007 @@
+/* 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.js
+ * @requires OpenLayers/Renderer.js
+ * @requires OpenLayers/StyleMap.js
+ * @requires OpenLayers/Feature/Vector.js
+ * @requires OpenLayers/Console.js
+ * @requires OpenLayers/Lang.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.Vector
+ * Instances of OpenLayers.Layer.Vector are used to render vector data from
+ *     a variety of sources. Create a new vector layer with the
+ *     <OpenLayers.Layer.Vector> constructor.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer>
+ */
+OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, {
+
+    /**
+     * APIProperty: events
+     * {<OpenLayers.Events>}
+     *
+     * Register a listener for a particular event with the following syntax:
+     * (code)
+     * layer.events.register(type, obj, listener);
+     * (end)
+     *
+     * Listeners will be called with a reference to an event object.  The
+     *     properties of this event depends on exactly what happened.
+     *
+     * All event objects have at least the following properties:
+     * object - {Object} A reference to layer.events.object.
+     * element - {DOMElement} A reference to layer.events.element.
+     *
+     * Supported map event types (in addition to those from <OpenLayers.Layer.events>):
+     * beforefeatureadded - Triggered before a feature is added.  Listeners
+     *      will receive an object with a *feature* property referencing the
+     *      feature to be added.  To stop the feature from being added, a
+     *      listener should return false.
+     * beforefeaturesadded - Triggered before an array of features is added.
+     *      Listeners will receive an object with a *features* property
+     *      referencing the feature to be added. To stop the features from
+     *      being added, a listener should return false.
+     * featureadded - Triggered after a feature is added.  The event
+     *      object passed to listeners will have a *feature* property with a
+     *      reference to the added feature.
+     * featuresadded - Triggered after features are added.  The event
+     *      object passed to listeners will have a *features* property with a
+     *      reference to an array of added features.
+     * beforefeatureremoved - Triggered before a feature is removed. Listeners
+     *      will receive an object with a *feature* property referencing the
+     *      feature to be removed.
+     * beforefeaturesremoved - Triggered before multiple features are removed. 
+     *      Listeners will receive an object with a *features* property
+     *      referencing the features to be removed.
+     * featureremoved - Triggerd after a feature is removed. The event
+     *      object passed to listeners will have a *feature* property with a
+     *      reference to the removed feature.
+     * featuresremoved - Triggered after features are removed. The event
+     *      object passed to listeners will have a *features* property with a
+     *      reference to an array of removed features.
+     * beforefeatureselected - Triggered before a feature is selected.  Listeners
+     *      will receive an object with a *feature* property referencing the
+     *      feature to be selected. To stop the feature from being selectd, a
+     *      listener should return false.
+     * featureselected - Triggered after a feature is selected.  Listeners
+     *      will receive an object with a *feature* property referencing the
+     *      selected feature.
+     * featureunselected - Triggered after a feature is unselected.
+     *      Listeners will receive an object with a *feature* property
+     *      referencing the unselected feature.
+     * beforefeaturemodified - Triggered when a feature is selected to 
+     *      be modified.  Listeners will receive an object with a *feature* 
+     *      property referencing the selected feature.
+     * featuremodified - Triggered when a feature has been modified.
+     *      Listeners will receive an object with a *feature* property referencing 
+     *      the modified feature.
+     * afterfeaturemodified - Triggered when a feature is finished being modified.
+     *      Listeners will receive an object with a *feature* property referencing 
+     *      the modified feature.
+     * vertexmodified - Triggered when a vertex within any feature geometry
+     *      has been modified.  Listeners will receive an object with a
+     *      *feature* property referencing the modified feature, a *vertex*
+     *      property referencing the vertex modified (always a point geometry),
+     *      and a *pixel* property referencing the pixel location of the
+     *      modification.
+     * vertexremoved - Triggered when a vertex within any feature geometry
+     *      has been deleted.  Listeners will receive an object with a
+     *      *feature* property referencing the modified feature, a *vertex*
+     *      property referencing the vertex modified (always a point geometry),
+     *      and a *pixel* property referencing the pixel location of the
+     *      removal.
+     * sketchstarted - Triggered when a feature sketch bound for this layer
+     *      is started.  Listeners will receive an object with a *feature*
+     *      property referencing the new sketch feature and a *vertex* property
+     *      referencing the creation point.
+     * sketchmodified - Triggered when a feature sketch bound for this layer
+     *      is modified.  Listeners will receive an object with a *vertex*
+     *      property referencing the modified vertex and a *feature* property
+     *      referencing the sketch feature.
+     * sketchcomplete - Triggered when a feature sketch bound for this layer
+     *      is complete.  Listeners will receive an object with a *feature*
+     *      property referencing the sketch feature.  By returning false, a
+     *      listener can stop the sketch feature from being added to the layer.
+     * refresh - Triggered when something wants a strategy to ask the protocol
+     *      for a new set of features.
+     */
+
+    /**
+     * APIProperty: isBaseLayer
+     * {Boolean} The layer is a base layer.  Default is false.  Set this property
+     * in the layer options.
+     */
+    isBaseLayer: false,
+
+    /** 
+     * APIProperty: isFixed
+     * {Boolean} Whether the layer remains in one place while dragging the
+     * map. Note that setting this to true will move the layer to the bottom
+     * of the layer stack.
+     */
+    isFixed: false,
+
+    /** 
+     * APIProperty: features
+     * {Array(<OpenLayers.Feature.Vector>)} 
+     */
+    features: null,
+    
+    /** 
+     * Property: filter
+     * {<OpenLayers.Filter>} The filter set in this layer,
+     *     a strategy launching read requests can combined
+     *     this filter with its own filter.
+     */
+    filter: null,
+    
+    /** 
+     * Property: selectedFeatures
+     * {Array(<OpenLayers.Feature.Vector>)} 
+     */
+    selectedFeatures: null,
+    
+    /**
+     * Property: unrenderedFeatures
+     * {Object} hash of features, keyed by feature.id, that the renderer
+     *     failed to draw
+     */
+    unrenderedFeatures: null,
+
+    /**
+     * APIProperty: reportError
+     * {Boolean} report friendly error message when loading of renderer
+     * fails.
+     */
+    reportError: true, 
+
+    /** 
+     * APIProperty: style
+     * {Object} Default style for the layer
+     */
+    style: null,
+    
+    /**
+     * Property: styleMap
+     * {<OpenLayers.StyleMap>}
+     */
+    styleMap: null,
+    
+    /**
+     * Property: strategies
+     * {Array(<OpenLayers.Strategy>})} Optional list of strategies for the layer.
+     */
+    strategies: null,
+    
+    /**
+     * Property: protocol
+     * {<OpenLayers.Protocol>} Optional protocol for the layer.
+     */
+    protocol: null,
+    
+    /**
+     * Property: renderers
+     * {Array(String)} List of supported Renderer classes. Add to this list to
+     * add support for additional renderers. This list is ordered:
+     * the first renderer which returns true for the  'supported()'
+     * method will be used, if not defined in the 'renderer' option.
+     */
+    renderers: ['SVG', 'VML', 'Canvas'],
+    
+    /** 
+     * Property: renderer
+     * {<OpenLayers.Renderer>}
+     */
+    renderer: null,
+    
+    /**
+     * APIProperty: rendererOptions
+     * {Object} Options for the renderer. See {<OpenLayers.Renderer>} for
+     *     supported options.
+     */
+    rendererOptions: null,
+    
+    /** 
+     * APIProperty: geometryType
+     * {String} geometryType allows you to limit the types of geometries this
+     * layer supports. This should be set to something like
+     * "OpenLayers.Geometry.Point" to limit types.
+     */
+    geometryType: null,
+
+    /** 
+     * Property: drawn
+     * {Boolean} Whether the Vector Layer features have been drawn yet.
+     */
+    drawn: false,
+    
+    /** 
+     * APIProperty: ratio
+     * {Float} This specifies the ratio of the size of the visiblity of the Vector Layer features to the size of the map.
+     */   
+    ratio: 1,
+
+    /**
+     * Constructor: OpenLayers.Layer.Vector
+     * Create a new vector layer
+     *
+     * Parameters:
+     * name - {String} A name for the layer
+     * options - {Object} Optional object with non-default properties to set on
+     *           the layer.
+     *
+     * Returns:
+     * {<OpenLayers.Layer.Vector>} A new vector layer
+     */
+    initialize: function(name, options) {
+        OpenLayers.Layer.prototype.initialize.apply(this, arguments);
+
+        // allow user-set renderer, otherwise assign one
+        if (!this.renderer || !this.renderer.supported()) {  
+            this.assignRenderer();
+        }
+
+        // if no valid renderer found, display error
+        if (!this.renderer || !this.renderer.supported()) {
+            this.renderer = null;
+            this.displayError();
+        } 
+
+        if (!this.styleMap) {
+            this.styleMap = new OpenLayers.StyleMap();
+        }
+
+        this.features = [];
+        this.selectedFeatures = [];
+        this.unrenderedFeatures = {};
+        
+        // Allow for custom layer behavior
+        if(this.strategies){
+            for(var i=0, len=this.strategies.length; i<len; i++) {
+                this.strategies[i].setLayer(this);
+            }
+        }
+
+    },
+
+    /**
+     * APIMethod: destroy
+     * Destroy this layer
+     */
+    destroy: function() {
+        if (this.strategies) {
+            var strategy, i, len;
+            for(i=0, len=this.strategies.length; i<len; i++) {
+                strategy = this.strategies[i];
+                if(strategy.autoDestroy) {
+                    strategy.destroy();
+                }
+            }
+            this.strategies = null;
+        }
+        if (this.protocol) {
+            if(this.protocol.autoDestroy) {
+                this.protocol.destroy();
+            }
+            this.protocol = null;
+        }
+        this.destroyFeatures();
+        this.features = null;
+        this.selectedFeatures = null;
+        this.unrenderedFeatures = null;
+        if (this.renderer) {
+            this.renderer.destroy();
+        }
+        this.renderer = null;
+        this.geometryType = null;
+        this.drawn = null;
+        OpenLayers.Layer.prototype.destroy.apply(this, arguments);  
+    },
+
+    /**
+     * Method: clone
+     * Create a clone of this layer.
+     * 
+     * Note: Features of the layer are also cloned.
+     *
+     * Returns:
+     * {<OpenLayers.Layer.Vector>} An exact clone of this layer
+     */
+    clone: function (obj) {
+        
+        if (obj == null) {
+            obj = new OpenLayers.Layer.Vector(this.name, this.getOptions());
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+        var features = this.features;
+        var len = features.length;
+        var clonedFeatures = new Array(len);
+        for(var i=0; i<len; ++i) {
+            clonedFeatures[i] = features[i].clone();
+        }
+        obj.features = clonedFeatures;
+
+        return obj;
+    },    
+    
+    /**
+     * Method: refresh
+     * Ask the layer to request features again and redraw them.  Triggers
+     *     the refresh event if the layer is in range and visible.
+     *
+     * Parameters:
+     * obj - {Object} Optional object with properties for any listener of
+     *     the refresh event.
+     */
+    refresh: function(obj) {
+        if(this.calculateInRange() && this.visibility) {
+            this.events.triggerEvent("refresh", obj);
+        }
+    },
+
+    /** 
+     * Method: assignRenderer
+     * Iterates through the available renderer implementations and selects 
+     * and assigns the first one whose "supported()" function returns true.
+     */    
+    assignRenderer: function()  {
+        for (var i=0, len=this.renderers.length; i<len; i++) {
+            var rendererClass = this.renderers[i];
+            var renderer = (typeof rendererClass == "function") ?
+                rendererClass :
+                OpenLayers.Renderer[rendererClass];
+            if (renderer && renderer.prototype.supported()) {
+                this.renderer = new renderer(this.div, this.rendererOptions);
+                break;
+            }  
+        }  
+    },
+
+    /** 
+     * Method: displayError 
+     * Let the user know their browser isn't supported.
+     */
+    displayError: function() {
+        if (this.reportError) {
+            OpenLayers.Console.userError(OpenLayers.i18n("browserNotSupported", 
+                                     {renderers: this. renderers.join('\n')}));
+        }    
+    },
+
+    /** 
+     * Method: setMap
+     * The layer has been added to the map. 
+     * 
+     * If there is no renderer set, the layer can't be used. Remove it.
+     * Otherwise, give the renderer a reference to the map and set its size.
+     * 
+     * Parameters:
+     * map - {<OpenLayers.Map>} 
+     */
+    setMap: function(map) {        
+        OpenLayers.Layer.prototype.setMap.apply(this, arguments);
+
+        if (!this.renderer) {
+            this.map.removeLayer(this);
+        } else {
+            this.renderer.map = this.map;
+
+            var newSize = this.map.getSize();
+            newSize.w = newSize.w * this.ratio;
+            newSize.h = newSize.h * this.ratio;
+            this.renderer.setSize(newSize);
+        }
+    },
+
+    /**
+     * Method: afterAdd
+     * Called at the end of the map.addLayer sequence.  At this point, the map
+     *     will have a base layer.  Any autoActivate strategies will be
+     *     activated here.
+     */
+    afterAdd: function() {
+        if(this.strategies) {
+            var strategy, i, len;
+            for(i=0, len=this.strategies.length; i<len; i++) {
+                strategy = this.strategies[i];
+                if(strategy.autoActivate) {
+                    strategy.activate();
+                }
+            }
+        }
+    },
+
+    /**
+     * Method: removeMap
+     * The layer has been removed from the map.
+     *
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    removeMap: function(map) {
+        this.drawn = false;
+        if(this.strategies) {
+            var strategy, i, len;
+            for(i=0, len=this.strategies.length; i<len; i++) {
+                strategy = this.strategies[i];
+                if(strategy.autoActivate) {
+                    strategy.deactivate();
+                }
+            }
+        }
+    },
+    
+    /**
+     * Method: onMapResize
+     * Notify the renderer of the change in size. 
+     * 
+     */
+    onMapResize: function() {
+        OpenLayers.Layer.prototype.onMapResize.apply(this, arguments);
+        
+        var newSize = this.map.getSize();
+        newSize.w = newSize.w * this.ratio;
+        newSize.h = newSize.h * this.ratio;
+        this.renderer.setSize(newSize);
+    },
+
+    /**
+     * Method: moveTo
+     *  Reset the vector layer's div so that it once again is lined up with 
+     *   the map. Notify the renderer of the change of extent, and in the
+     *   case of a change of zoom level (resolution), have the 
+     *   renderer redraw features.
+     * 
+     *  If the layer has not yet been drawn, cycle through the layer's 
+     *   features and draw each one.
+     * 
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>} 
+     * zoomChanged - {Boolean} 
+     * dragging - {Boolean} 
+     */
+    moveTo: function(bounds, zoomChanged, dragging) {
+        OpenLayers.Layer.prototype.moveTo.apply(this, arguments);
+        
+        var coordSysUnchanged = true;
+        if (!dragging) {
+            this.renderer.root.style.visibility = 'hidden';
+
+            var viewSize = this.map.getSize(),
+                viewWidth = viewSize.w,
+                viewHeight = viewSize.h,
+                offsetLeft = (viewWidth / 2 * this.ratio) - viewWidth / 2,
+                offsetTop = (viewHeight / 2 * this.ratio) - viewHeight / 2;
+            offsetLeft += this.map.layerContainerOriginPx.x;
+            offsetLeft = -Math.round(offsetLeft);
+            offsetTop += this.map.layerContainerOriginPx.y;
+            offsetTop = -Math.round(offsetTop);
+
+            this.div.style.left = offsetLeft + 'px';
+            this.div.style.top = offsetTop + 'px';
+
+            var extent = this.map.getExtent().scale(this.ratio);
+            coordSysUnchanged = this.renderer.setExtent(extent, zoomChanged);
+
+            this.renderer.root.style.visibility = 'visible';
+
+            // Force a reflow on gecko based browsers to prevent jump/flicker.
+            // This seems to happen on only certain configurations; it was originally
+            // noticed in FF 2.0 and Linux.
+            if (OpenLayers.IS_GECKO === true) {
+                this.div.scrollLeft = this.div.scrollLeft;
+            }
+            
+            if (!zoomChanged && coordSysUnchanged) {
+                for (var i in this.unrenderedFeatures) {
+                    var feature = this.unrenderedFeatures[i];
+                    this.drawFeature(feature);
+                }
+            }
+        }
+        if (!this.drawn || zoomChanged || !coordSysUnchanged) {
+            this.drawn = true;
+            var feature;
+            for(var i=0, len=this.features.length; i<len; i++) {
+                this.renderer.locked = (i !== (len - 1));
+                feature = this.features[i];
+                this.drawFeature(feature);
+            }
+        }    
+    },
+    
+    /** 
+     * APIMethod: display
+     * Hide or show the Layer
+     * 
+     * Parameters:
+     * display - {Boolean}
+     */
+    display: function(display) {
+        OpenLayers.Layer.prototype.display.apply(this, arguments);
+        // we need to set the display style of the root in case it is attached
+        // to a foreign layer
+        var currentDisplay = this.div.style.display;
+        if(currentDisplay != this.renderer.root.style.display) {
+            this.renderer.root.style.display = currentDisplay;
+        }
+    },
+
+    /**
+     * APIMethod: addFeatures
+     * Add Features to the layer.
+     *
+     * Parameters:
+     * features - {Array(<OpenLayers.Feature.Vector>)} 
+     * options - {Object}
+     */
+    addFeatures: function(features, options) {
+        if (!(OpenLayers.Util.isArray(features))) {
+            features = [features];
+        }
+        
+        var notify = !options || !options.silent;
+        if(notify) {
+            var event = {features: features};
+            var ret = this.events.triggerEvent("beforefeaturesadded", event);
+            if(ret === false) {
+                return;
+            }
+            features = event.features;
+        }
+        
+        // Track successfully added features for featuresadded event, since
+        // beforefeatureadded can veto single features.
+        var featuresAdded = [];
+        for (var i=0, len=features.length; i<len; i++) {
+            if (i != (features.length - 1)) {
+                this.renderer.locked = true;
+            } else {
+                this.renderer.locked = false;
+            }    
+            var feature = features[i];
+            
+            if (this.geometryType &&
+              !(feature.geometry instanceof this.geometryType)) {
+                throw new TypeError('addFeatures: component should be an ' +
+                                    this.geometryType.prototype.CLASS_NAME);
+              }
+
+            //give feature reference to its layer
+            feature.layer = this;
+
+            if (!feature.style && this.style) {
+                feature.style = OpenLayers.Util.extend({}, this.style);
+            }
+
+            if (notify) {
+                if(this.events.triggerEvent("beforefeatureadded",
+                                            {feature: feature}) === false) {
+                    continue;
+                }
+                this.preFeatureInsert(feature);
+            }
+
+            featuresAdded.push(feature);
+            this.features.push(feature);
+            this.drawFeature(feature);
+            
+            if (notify) {
+                this.events.triggerEvent("featureadded", {
+                    feature: feature
+                });
+                this.onFeatureInsert(feature);
+            }
+        }
+        
+        if(notify) {
+            this.events.triggerEvent("featuresadded", {features: featuresAdded});
+        }
+    },
+
+
+    /**
+     * APIMethod: removeFeatures
+     * Remove features from the layer.  This erases any drawn features and
+     *     removes them from the layer's control.  The beforefeatureremoved
+     *     and featureremoved events will be triggered for each feature.  The
+     *     featuresremoved event will be triggered after all features have
+     *     been removed.  To supress event triggering, use the silent option.
+     * 
+     * Parameters:
+     * features - {Array(<OpenLayers.Feature.Vector>)} List of features to be
+     *     removed.
+     * options - {Object} Optional properties for changing behavior of the
+     *     removal.
+     *
+     * Valid options:
+     * silent - {Boolean} Supress event triggering.  Default is false.
+     */
+    removeFeatures: function(features, options) {
+        if(!features || features.length === 0) {
+            return;
+        }
+        if (features === this.features) {
+            return this.removeAllFeatures(options);
+        }
+        if (!(OpenLayers.Util.isArray(features))) {
+            features = [features];
+        }
+        if (features === this.selectedFeatures) {
+            features = features.slice();
+        }
+
+        var notify = !options || !options.silent;
+        
+        if (notify) {
+            this.events.triggerEvent(
+                "beforefeaturesremoved", {features: features}
+            );
+        }
+
+        for (var i = features.length - 1; i >= 0; i--) {
+            // We remain locked so long as we're not at 0
+            // and the 'next' feature has a geometry. We do the geometry check
+            // because if all the features after the current one are 'null', we
+            // won't call eraseGeometry, so we break the 'renderer functions
+            // will always be called with locked=false *last*' rule. The end result
+            // is a possible gratiutious unlocking to save a loop through the rest 
+            // of the list checking the remaining features every time. So long as
+            // null geoms are rare, this is probably okay.    
+            if (i != 0 && features[i-1].geometry) {
+                this.renderer.locked = true;
+            } else {
+                this.renderer.locked = false;
+            }
+    
+            var feature = features[i];
+            delete this.unrenderedFeatures[feature.id];
+
+            if (notify) {
+                this.events.triggerEvent("beforefeatureremoved", {
+                    feature: feature
+                });
+            }
+
+            this.features = OpenLayers.Util.removeItem(this.features, feature);
+            // feature has no layer at this point
+            feature.layer = null;
+
+            if (feature.geometry) {
+                this.renderer.eraseFeatures(feature);
+            }
+                    
+            //in the case that this feature is one of the selected features, 
+            // remove it from that array as well.
+            if (OpenLayers.Util.indexOf(this.selectedFeatures, feature) != -1){
+                OpenLayers.Util.removeItem(this.selectedFeatures, feature);
+            }
+
+            if (notify) {
+                this.events.triggerEvent("featureremoved", {
+                    feature: feature
+                });
+            }
+        }
+
+        if (notify) {
+            this.events.triggerEvent("featuresremoved", {features: features});
+        }
+    },
+    
+    /** 
+     * APIMethod: removeAllFeatures
+     * Remove all features from the layer.
+     *
+     * Parameters:
+     * options - {Object} Optional properties for changing behavior of the
+     *     removal.
+     *
+     * Valid options:
+     * silent - {Boolean} Supress event triggering.  Default is false.
+     */
+    removeAllFeatures: function(options) {
+        var notify = !options || !options.silent;
+        var features = this.features;
+        if (notify) {
+            this.events.triggerEvent(
+                "beforefeaturesremoved", {features: features}
+            );
+        }
+        var feature;
+        for (var i = features.length-1; i >= 0; i--) {
+            feature = features[i];
+            if (notify) {
+                this.events.triggerEvent("beforefeatureremoved", {
+                    feature: feature
+                });
+            }
+            feature.layer = null;
+            if (notify) {
+                this.events.triggerEvent("featureremoved", {
+                    feature: feature
+                });
+            }
+        }
+        this.renderer.clear();
+        this.features = [];
+        this.unrenderedFeatures = {};
+        this.selectedFeatures = [];
+        if (notify) {
+            this.events.triggerEvent("featuresremoved", {features: features});
+        }
+    },
+
+    /**
+     * APIMethod: destroyFeatures
+     * Erase and destroy features on the layer.
+     *
+     * Parameters:
+     * features - {Array(<OpenLayers.Feature.Vector>)} An optional array of
+     *     features to destroy.  If not supplied, all features on the layer
+     *     will be destroyed.
+     * options - {Object}
+     */
+    destroyFeatures: function(features, options) {
+        var all = (features == undefined); // evaluates to true if
+                                           // features is null
+        if(all) {
+            features = this.features;
+        }
+        if(features) {
+            this.removeFeatures(features, options);
+            for(var i=features.length-1; i>=0; i--) {
+                features[i].destroy();
+            }
+        }
+    },
+
+    /**
+     * APIMethod: drawFeature
+     * Draw (or redraw) a feature on the layer.  If the optional style argument
+     * is included, this style will be used.  If no style is included, the
+     * feature's style will be used.  If the feature doesn't have a style,
+     * the layer's style will be used.
+     * 
+     * This function is not designed to be used when adding features to 
+     * the layer (use addFeatures instead). It is meant to be used when
+     * the style of a feature has changed, or in some other way needs to 
+     * visually updated *after* it has already been added to a layer. You
+     * must add the feature to the layer for most layer-related events to 
+     * happen.
+     *
+     * Parameters: 
+     * feature - {<OpenLayers.Feature.Vector>} 
+     * style - {String | Object} Named render intent or full symbolizer object.
+     */
+    drawFeature: function(feature, style) {
+        // don't try to draw the feature with the renderer if the layer is not 
+        // drawn itself
+        if (!this.drawn) {
+            return;
+        }
+        if (typeof style != "object") {
+            if(!style && feature.state === OpenLayers.State.DELETE) {
+                style = "delete";
+            }
+            var renderIntent = style || feature.renderIntent;
+            style = feature.style || this.style;
+            if (!style) {
+                style = this.styleMap.createSymbolizer(feature, renderIntent);
+            }
+        }
+        
+        var drawn = this.renderer.drawFeature(feature, style);
+        //TODO remove the check for null when we get rid of Renderer.SVG
+        if (drawn === false || drawn === null) {
+            this.unrenderedFeatures[feature.id] = feature;
+        } else {
+            delete this.unrenderedFeatures[feature.id];
+        }
+    },
+    
+    /**
+     * Method: eraseFeatures
+     * Erase features from the layer.
+     *
+     * Parameters:
+     * features - {Array(<OpenLayers.Feature.Vector>)} 
+     */
+    eraseFeatures: function(features) {
+        this.renderer.eraseFeatures(features);
+    },
+
+    /**
+     * Method: getFeatureFromEvent
+     * Given an event, return a feature if the event occurred over one.
+     * Otherwise, return null.
+     *
+     * Parameters:
+     * evt - {Event} 
+     *
+     * Returns:
+     * {<OpenLayers.Feature.Vector>} A feature if one was under the event.
+     */
+    getFeatureFromEvent: function(evt) {
+        if (!this.renderer) {
+            throw new Error('getFeatureFromEvent called on layer with no ' +
+                            'renderer. This usually means you destroyed a ' +
+                            'layer, but not some handler which is associated ' +
+                            'with it.');
+        }
+        var feature = null;
+        var featureId = this.renderer.getFeatureIdFromEvent(evt);
+        if (featureId) {
+            if (typeof featureId === "string") {
+                feature = this.getFeatureById(featureId);
+            } else {
+                feature = featureId;
+            }
+        }
+        return feature;
+    },
+
+    /**
+     * APIMethod: getFeatureBy
+     * Given a property value, return the feature if it exists in the features array
+     *
+     * Parameters:
+     * property - {String}
+     * value - {String}
+     *
+     * Returns:
+     * {<OpenLayers.Feature.Vector>} A feature corresponding to the given
+     * property value or null if there is no such feature.
+     */
+    getFeatureBy: function(property, value) {
+        //TBD - would it be more efficient to use a hash for this.features?
+        var feature = null;
+        for(var i=0, len=this.features.length; i<len; ++i) {
+            if(this.features[i][property] == value) {
+                feature = this.features[i];
+                break;
+            }
+        }
+        return feature;
+    },
+
+    /**
+     * APIMethod: getFeatureById
+     * Given a feature id, return the feature if it exists in the features array
+     *
+     * Parameters:
+     * featureId - {String}
+     *
+     * Returns:
+     * {<OpenLayers.Feature.Vector>} A feature corresponding to the given
+     * featureId or null if there is no such feature.
+     */
+    getFeatureById: function(featureId) {
+        return this.getFeatureBy('id', featureId);
+    },
+
+    /**
+     * APIMethod: getFeatureByFid
+     * Given a feature fid, return the feature if it exists in the features array
+     *
+     * Parameters:
+     * featureFid - {String}
+     *
+     * Returns:
+     * {<OpenLayers.Feature.Vector>} A feature corresponding to the given
+     * featureFid or null if there is no such feature.
+     */
+    getFeatureByFid: function(featureFid) {
+        return this.getFeatureBy('fid', featureFid);
+    },
+    
+    /**
+     * APIMethod: getFeaturesByAttribute
+     * Returns an array of features that have the given attribute key set to the
+     * given value. Comparison of attribute values takes care of datatypes, e.g.
+     * the string '1234' is not equal to the number 1234.
+     *
+     * Parameters:
+     * attrName - {String}
+     * attrValue - {Mixed}
+     *
+     * Returns:
+     * Array({<OpenLayers.Feature.Vector>}) An array of features that have the 
+     * passed named attribute set to the given value.
+     */
+    getFeaturesByAttribute: function(attrName, attrValue) {
+        var i,
+            feature,    
+            len = this.features.length,
+            foundFeatures = [];
+        for(i = 0; i < len; i++) {            
+            feature = this.features[i];
+            if(feature && feature.attributes) {
+                if (feature.attributes[attrName] === attrValue) {
+                    foundFeatures.push(feature);
+                }
+            }
+        }
+        return foundFeatures;
+    },
+
+    /**
+     * Unselect the selected features
+     * i.e. clears the featureSelection array
+     * change the style back
+    clearSelection: function() {
+
+       var vectorLayer = this.map.vectorLayer;
+        for (var i = 0; i < this.map.featureSelection.length; i++) {
+            var featureSelection = this.map.featureSelection[i];
+            vectorLayer.drawFeature(featureSelection, vectorLayer.style);
+        }
+        this.map.featureSelection = [];
+    },
+     */
+
+
+    /**
+     * APIMethod: onFeatureInsert
+     * method called after a feature is inserted.
+     * Does nothing by default. Override this if you
+     * need to do something on feature updates.
+     *
+     * Parameters: 
+     * feature - {<OpenLayers.Feature.Vector>} 
+     */
+    onFeatureInsert: function(feature) {
+    },
+    
+    /**
+     * APIMethod: preFeatureInsert
+     * method called before a feature is inserted.
+     * Does nothing by default. Override this if you
+     * need to do something when features are first added to the
+     * layer, but before they are drawn, such as adjust the style.
+     *
+     * Parameters:
+     * feature - {<OpenLayers.Feature.Vector>} 
+     */
+    preFeatureInsert: function(feature) {
+    },
+
+    /** 
+     * APIMethod: getDataExtent
+     * Calculates the max extent which includes all of the features.
+     * 
+     * Returns:
+     * {<OpenLayers.Bounds>} or null if the layer has no features with
+     * geometries.
+     */
+    getDataExtent: function () {
+        var maxExtent = null;
+        var features = this.features;
+        if(features && (features.length > 0)) {
+            var geometry = null;
+            for(var i=0, len=features.length; i<len; i++) {
+                geometry = features[i].geometry;
+                if (geometry) {
+                    if (maxExtent === null) {
+                        maxExtent = new OpenLayers.Bounds();
+                    }
+                    maxExtent.extend(geometry.getBounds());
+                }
+            }
+        }
+        return maxExtent;
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.Vector"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Vector/RootContainer.js b/misc/openlayers/lib/OpenLayers/Layer/Vector/RootContainer.js
new file mode 100644
index 0000000..075edaa
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Vector/RootContainer.js
@@ -0,0 +1,154 @@
+/* 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/Vector.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.Vector.RootContainer
+ * A special layer type to combine multiple vector layers inside a single
+ *     renderer root container. This class is not supposed to be instantiated
+ *     from user space, it is a helper class for controls that require event
+ *     processing for multiple vector layers.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.Vector>
+ */
+OpenLayers.Layer.Vector.RootContainer = OpenLayers.Class(OpenLayers.Layer.Vector, {
+    
+    /**
+     * Property: displayInLayerSwitcher
+     * Set to false for this layer type
+     */
+    displayInLayerSwitcher: false,
+    
+    /**
+     * APIProperty: layers
+     * Layers that are attached to this container. Required config option.
+     */
+    layers: null,
+    
+    /**
+     * Constructor: OpenLayers.Layer.Vector.RootContainer
+     * Create a new root container for multiple vector layer. This constructor
+     * is not supposed to be used from user space, it is only to be used by
+     * controls that need feature selection across multiple vector layers.
+     *
+     * Parameters:
+     * name - {String} A name for the layer
+     * options - {Object} Optional object with non-default properties to set on
+     *           the layer.
+     * 
+     * Required options properties:
+     * layers - {Array(<OpenLayers.Layer.Vector>)} The layers managed by this
+     *     container
+     *
+     * Returns:
+     * {<OpenLayers.Layer.Vector.RootContainer>} A new vector layer root
+     *     container
+     */
+    
+    /**
+     * Method: display
+     */
+    display: function() {},
+    
+    /**
+     * Method: getFeatureFromEvent
+     * walk through the layers to find the feature returned by the event
+     * 
+     * Parameters:
+     * evt - {Object} event object with a feature property
+     * 
+     * Returns:
+     * {<OpenLayers.Feature.Vector>}
+     */
+    getFeatureFromEvent: function(evt) {
+        var layers = this.layers;
+        var feature;
+        for(var i=0; i<layers.length; i++) {
+            feature = layers[i].getFeatureFromEvent(evt);
+            if(feature) {
+                return feature;
+            }
+        }
+    },
+    
+    /**
+     * Method: setMap
+     * 
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    setMap: function(map) {
+        OpenLayers.Layer.Vector.prototype.setMap.apply(this, arguments);
+        this.collectRoots();
+        map.events.register("changelayer", this, this.handleChangeLayer);
+    },
+    
+    /**
+     * Method: removeMap
+     * 
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    removeMap: function(map) {
+        map.events.unregister("changelayer", this, this.handleChangeLayer);
+        this.resetRoots();
+        OpenLayers.Layer.Vector.prototype.removeMap.apply(this, arguments);
+    },
+    
+    /**
+     * Method: collectRoots
+     * Collects the root nodes of all layers this control is configured with
+     * and moveswien the nodes to this control's layer
+     */
+    collectRoots: function() {
+        var layer;
+        // walk through all map layers, because we want to keep the order
+        for(var i=0; i<this.map.layers.length; ++i) {
+            layer = this.map.layers[i];
+            if(OpenLayers.Util.indexOf(this.layers, layer) != -1) {
+                layer.renderer.moveRoot(this.renderer);
+            }
+        }
+    },
+    
+    /**
+     * Method: resetRoots
+     * Resets the root nodes back into the layers they belong to.
+     */
+    resetRoots: function() {
+        var layer;
+        for(var i=0; i<this.layers.length; ++i) {
+            layer = this.layers[i];
+            if(this.renderer && layer.renderer.getRenderLayerId() == this.id) {
+                this.renderer.moveRoot(layer.renderer);
+            }
+        }
+    },
+    
+    /**
+     * Method: handleChangeLayer
+     * Event handler for the map's changelayer event. We need to rebuild
+     * this container's layer dom if order of one of its layers changes.
+     * This handler is added with the setMap method, and removed with the
+     * removeMap method.
+     * 
+     * Parameters:
+     * evt - {Object}
+     */
+    handleChangeLayer: function(evt) {
+        var layer = evt.layer;
+        if(evt.property == "order" &&
+                        OpenLayers.Util.indexOf(this.layers, layer) != -1) {
+            this.resetRoots();
+            this.collectRoots();
+        }
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.Vector.RootContainer"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/WMS.js b/misc/openlayers/lib/OpenLayers/Layer/WMS.js
new file mode 100644
index 0000000..15dee2f
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/WMS.js
@@ -0,0 +1,267 @@
+/* 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.WMS
+ * Instances of OpenLayers.Layer.WMS are used to display data from OGC Web
+ *     Mapping Services. Create a new WMS layer with the <OpenLayers.Layer.WMS>
+ *     constructor.
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.WMS = OpenLayers.Class(OpenLayers.Layer.Grid, {
+
+    /**
+     * Constant: DEFAULT_PARAMS
+     * {Object} Hashtable of default parameter key/value pairs 
+     */
+    DEFAULT_PARAMS: { service: "WMS",
+                      version: "1.1.1",
+                      request: "GetMap",
+                      styles: "",
+                      format: "image/jpeg"
+                     },
+    
+    /**
+     * APIProperty: isBaseLayer
+     * {Boolean} Default is true for WMS layer
+     */
+    isBaseLayer: true,
+    
+    /**
+     * APIProperty: encodeBBOX
+     * {Boolean} Should the BBOX commas be encoded? The WMS spec says 'no', 
+     * but some services want it that way. Default false.
+     */
+    encodeBBOX: false,
+    
+    /** 
+     * APIProperty: noMagic 
+     * {Boolean} If true, the image format will not be automagicaly switched 
+     *     from image/jpeg to image/png or image/gif when using 
+     *     TRANSPARENT=TRUE. Also isBaseLayer will not changed by the  
+     *     constructor. Default false. 
+     */ 
+    noMagic: false,
+    
+    /**
+     * Property: yx
+     * {Object} Keys in this object are EPSG codes for which the axis order
+     *     is to be reversed (yx instead of xy, LatLon instead of LonLat), with
+     *     true as value. This is only relevant for WMS versions >= 1.3.0, and
+     *     only if yx is not set in <OpenLayers.Projection.defaults> for the
+     *     used projection.
+     */
+    yx: {},
+    
+    /**
+     * Constructor: OpenLayers.Layer.WMS
+     * Create a new WMS layer object
+     *
+     * Examples:
+     *
+     * The code below creates a simple WMS layer using the image/jpeg format.
+     * (code)
+     * var wms = new OpenLayers.Layer.WMS("NASA Global Mosaic",
+     *                                    "http://wms.jpl.nasa.gov/wms.cgi", 
+     *                                    {layers: "modis,global_mosaic"});
+     * (end)
+     * Note the 3rd argument (params). Properties added to this object will be
+     * added to the WMS GetMap requests used for this layer's tiles. The only
+     * mandatory parameter is "layers". Other common WMS params include
+     * "transparent", "styles" and "format". Note that the "srs" param will
+     * always be ignored. Instead, it will be derived from the baseLayer's or
+     * map's projection.
+     *
+     * The code below creates a transparent WMS layer with additional options.
+     * (code)
+     * var wms = new OpenLayers.Layer.WMS("NASA Global Mosaic",
+     *                                    "http://wms.jpl.nasa.gov/wms.cgi", 
+     *                                    {
+     *                                        layers: "modis,global_mosaic",
+     *                                        transparent: true
+     *                                    }, {
+     *                                        opacity: 0.5,
+     *                                        singleTile: true
+     *                                    });
+     * (end)
+     * Note that by default, a WMS layer is configured as baseLayer. Setting
+     * the "transparent" param to true will apply some magic (see <noMagic>).
+     * The default image format changes from image/jpeg to image/png, and the
+     * layer is not configured as baseLayer.
+     *
+     * Parameters:
+     * name - {String} A name for the layer
+     * url - {String} Base url for the WMS
+     *                (e.g. http://wms.jpl.nasa.gov/wms.cgi)
+     * params - {Object} An object with key/value pairs representing the
+     *                   GetMap query string parameters and parameter values.
+     * options - {Object} Hashtable of extra options to tag onto the layer.
+     *     These options include all properties listed above, plus the ones
+     *     inherited from superclasses.
+     */
+    initialize: function(name, url, params, options) {
+        var newArguments = [];
+        //uppercase params
+        params = OpenLayers.Util.upperCaseObject(params);
+        if (parseFloat(params.VERSION) >= 1.3 && !params.EXCEPTIONS) {
+            params.EXCEPTIONS = "INIMAGE";
+        } 
+        newArguments.push(name, url, params, options);
+        OpenLayers.Layer.Grid.prototype.initialize.apply(this, newArguments);
+        OpenLayers.Util.applyDefaults(
+                       this.params, 
+                       OpenLayers.Util.upperCaseObject(this.DEFAULT_PARAMS)
+                       );
+
+
+        //layer is transparent        
+        if (!this.noMagic && this.params.TRANSPARENT && 
+            this.params.TRANSPARENT.toString().toLowerCase() == "true") {
+            
+            // unless explicitly set in options, make layer an overlay
+            if ( (options == null) || (!options.isBaseLayer) ) {
+                this.isBaseLayer = false;
+            } 
+            
+            // jpegs can never be transparent, so intelligently switch the 
+            //  format, depending on the browser's capabilities
+            if (this.params.FORMAT == "image/jpeg") {
+                this.params.FORMAT = OpenLayers.Util.alphaHack() ? "image/gif"
+                                                                 : "image/png";
+            }
+        }
+
+    },    
+
+    /**
+     * Method: clone
+     * Create a clone of this layer
+     *
+     * Returns:
+     * {<OpenLayers.Layer.WMS>} An exact clone of this layer
+     */
+    clone: function (obj) {
+        
+        if (obj == null) {
+            obj = new OpenLayers.Layer.WMS(this.name,
+                                           this.url,
+                                           this.params,
+                                           this.getOptions());
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+
+        return obj;
+    },    
+    
+    /**
+     * APIMethod: reverseAxisOrder
+     * Returns true if the axis order is reversed for the WMS version and
+     * projection of the layer.
+     * 
+     * Returns:
+     * {Boolean} true if the axis order is reversed, false otherwise.
+     */
+    reverseAxisOrder: function() {
+        var projCode = this.projection.getCode();
+        return parseFloat(this.params.VERSION) >= 1.3 && 
+            !!(this.yx[projCode] || (OpenLayers.Projection.defaults[projCode] && 
+            OpenLayers.Projection.defaults[projCode].yx));
+    },
+    
+    /**
+     * Method: getURL
+     * Return a GetMap query string for this layer
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>} A bounds representing the bbox for the
+     *                                request.
+     *
+     * 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 imageSize = this.getImageSize();
+        var newParams = {};
+        // WMS 1.3 introduced axis order
+        var reverseAxisOrder = this.reverseAxisOrder();
+        newParams.BBOX = this.encodeBBOX ?
+            bounds.toBBOX(null, reverseAxisOrder) :
+            bounds.toArray(reverseAxisOrder);
+        newParams.WIDTH = imageSize.w;
+        newParams.HEIGHT = imageSize.h;
+        var requestString = this.getFullRequestString(newParams);
+        return requestString;
+    },
+
+    /**
+     * APIMethod: mergeNewParams
+     * Catch changeParams and uppercase the new params to be merged in
+     *     before calling changeParams on the super class.
+     * 
+     *     Once params have been changed, the tiles will be reloaded with
+     *     the new parameters.
+     * 
+     * Parameters:
+     * newParams - {Object} Hashtable of new params to use
+     */
+    mergeNewParams:function(newParams) {
+        var upperParams = OpenLayers.Util.upperCaseObject(newParams);
+        var newArguments = [upperParams];
+        return OpenLayers.Layer.Grid.prototype.mergeNewParams.apply(this, 
+                                                             newArguments);
+    },
+
+    /** 
+     * APIMethod: getFullRequestString
+     * Combine the layer's url with its params and these newParams. 
+     *   
+     *     Add the SRS parameter from projection -- this is probably
+     *     more eloquently done via a setProjection() method, but this 
+     *     works for now and always.
+     *
+     * Parameters:
+     * newParams - {Object}
+     * altUrl - {String} Use this as the url instead of the layer's url
+     * 
+     * Returns:
+     * {String} 
+     */
+    getFullRequestString:function(newParams, altUrl) {
+        var mapProjection = this.map.getProjectionObject();
+        var projectionCode = this.projection && this.projection.equals(mapProjection) ?
+            this.projection.getCode() :
+            mapProjection.getCode();
+        var value = (projectionCode == "none") ? null : projectionCode;
+        if (parseFloat(this.params.VERSION) >= 1.3) {
+            this.params.CRS = value;
+        } else {
+            this.params.SRS = value;
+        }
+        
+        if (typeof this.params.TRANSPARENT == "boolean") {
+            newParams.TRANSPARENT = this.params.TRANSPARENT ? "TRUE" : "FALSE";
+        }
+
+        return OpenLayers.Layer.Grid.prototype.getFullRequestString.apply(
+                                                    this, arguments);
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.WMS"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/WMTS.js b/misc/openlayers/lib/OpenLayers/Layer/WMTS.js
new file mode 100644
index 0000000..9c41629
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/WMTS.js
@@ -0,0 +1,510 @@
+/* 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.WMTS
+ * Instances of the WMTS class allow viewing of tiles from a service that 
+ *     implements the OGC WMTS specification version 1.0.0.
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.WMTS = OpenLayers.Class(OpenLayers.Layer.Grid, {
+    
+    /**
+     * APIProperty: isBaseLayer
+     * {Boolean} The layer will be considered a base layer.  Default is true.
+     */
+    isBaseLayer: true,
+
+    /**
+     * Property: version
+     * {String} WMTS version.  Default is "1.0.0".
+     */
+    version: "1.0.0",
+    
+    /**
+     * APIProperty: requestEncoding
+     * {String} Request encoding.  Can be "REST" or "KVP".  Default is "KVP".
+     */
+    requestEncoding: "KVP",
+    
+    /**
+     * APIProperty: url
+     * {String|Array(String)} The base URL or request URL template for the WMTS
+     * service. Must be provided. Array is only supported for base URLs, not
+     * for request URL templates. URL templates are only supported for
+     * REST <requestEncoding>.
+     */
+    url: null,
+
+    /**
+     * APIProperty: layer
+     * {String} The layer identifier advertised by the WMTS service.  Must be 
+     *     provided.
+     */
+    layer: null,
+    
+    /** 
+     * APIProperty: matrixSet
+     * {String} One of the advertised matrix set identifiers.  Must be provided.
+     */
+    matrixSet: null,
+
+    /** 
+     * APIProperty: style
+     * {String} One of the advertised layer styles.  Must be provided.
+     */
+    style: null,
+    
+    /** 
+     * APIProperty: format
+     * {String} The image MIME type.  Default is "image/jpeg".
+     */
+    format: "image/jpeg",
+    
+    /**
+     * APIProperty: tileOrigin
+     * {<OpenLayers.LonLat>} The top-left corner of the tile matrix in map 
+     *     units.  If the tile origin for each matrix in a set is different,
+     *     the <matrixIds> should include a topLeftCorner property.  If
+     *     not provided, the tile origin will default to the top left corner
+     *     of the layer <maxExtent>.
+     */
+    tileOrigin: null,
+    
+    /**
+     * APIProperty: tileFullExtent
+     * {<OpenLayers.Bounds>}  The full extent of the tile set.  If not supplied,
+     *     the layer's <maxExtent> property will be used.
+     */
+    tileFullExtent: null,
+
+    /**
+     * APIProperty: formatSuffix
+     * {String} For REST request encoding, an image format suffix must be 
+     *     included in the request.  If not provided, the suffix will be derived
+     *     from the <format> property.
+     */
+    formatSuffix: null,    
+
+    /**
+     * APIProperty: matrixIds
+     * {Array} A list of tile matrix identifiers.  If not provided, the matrix
+     *     identifiers will be assumed to be integers corresponding to the 
+     *     map zoom level.  If a list of strings is provided, each item should
+     *     be the matrix identifier that corresponds to the map zoom level.
+     *     Additionally, a list of objects can be provided.  Each object should
+     *     describe the matrix as presented in the WMTS capabilities.  These
+     *     objects should have the propertes shown below.
+     * 
+     * Matrix properties:
+     * identifier - {String} The matrix identifier (required).
+     * scaleDenominator - {Number} The matrix scale denominator.
+     * topLeftCorner - {<OpenLayers.LonLat>} The top left corner of the 
+     *     matrix.  Must be provided if different than the layer <tileOrigin>.
+     * tileWidth - {Number} The tile width for the matrix.  Must be provided 
+     *     if different than the width given in the layer <tileSize>.
+     * tileHeight - {Number} The tile height for the matrix.  Must be provided 
+     *     if different than the height given in the layer <tileSize>.
+     */
+    matrixIds: null,
+    
+    /**
+     * APIProperty: dimensions
+     * {Array} For RESTful request encoding, extra dimensions may be specified.
+     *     Items in this list should be property names in the <params> object.
+     *     Values of extra dimensions will be determined from the corresponding
+     *     values in the <params> object.
+     */
+    dimensions: null,
+    
+    /**
+     * APIProperty: params
+     * {Object} Extra parameters to include in tile requests.  For KVP 
+     *     <requestEncoding>, these properties will be encoded in the request 
+     *     query string.  For REST <requestEncoding>, these properties will
+     *     become part of the request path, with order determined by the 
+     *     <dimensions> list.
+     */
+    params: null,
+    
+    /**
+     * APIProperty: zoomOffset
+     * {Number} If your cache has more 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).  Additionally, if this layer is to be used
+     *     as an overlay and the cache has fewer zoom levels than the base
+     *     layer, you can supply a negative zoomOffset.  For example, if a
+     *     map zoom level of 1 corresponds to your cache level zero, you would
+     *     supply a -1 zoomOffset (and set the maxResolution of the layer
+     *     appropriately).  The zoomOffset value has no effect if complete
+     *     matrix definitions (including scaleDenominator) are supplied in
+     *     the <matrixIds> property.  Defaults to 0 (no zoom offset).
+     */
+    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,
+
+    /**
+     * Property: formatSuffixMap
+     * {Object} a map between WMTS 'format' request parameter and tile image file suffix
+     */
+    formatSuffixMap: {
+        "image/png": "png",
+        "image/png8": "png",
+        "image/png24": "png",
+        "image/png32": "png",
+        "png": "png",
+        "image/jpeg": "jpg",
+        "image/jpg": "jpg",
+        "jpeg": "jpg",
+        "jpg": "jpg"
+    },
+    
+    /**
+     * Property: matrix
+     * {Object} Matrix definition for the current map resolution.  Updated by
+     *     the <updateMatrixProperties> method.
+     */
+    matrix: null,
+    
+    /**
+     * Constructor: OpenLayers.Layer.WMTS
+     * Create a new WMTS layer.
+     *
+     * Example:
+     * (code)
+     * var wmts = new OpenLayers.Layer.WMTS({
+     *     name: "My WMTS Layer",
+     *     url: "http://example.com/wmts", 
+     *     layer: "layer_id",
+     *     style: "default",
+     *     matrixSet: "matrix_id"
+     * });
+     * (end)
+     *
+     * Parameters:
+     * config - {Object} Configuration properties for the layer.
+     *
+     * Required configuration properties:
+     * url - {String} The base url for the service.  See the <url> property.
+     * layer - {String} The layer identifier.  See the <layer> property.
+     * style - {String} The layer style identifier.  See the <style> property.
+     * matrixSet - {String} The tile matrix set identifier.  See the <matrixSet>
+     *     property.
+     *
+     * Any other documented layer properties can be provided in the config object.
+     */
+    initialize: function(config) {
+
+        // confirm required properties are supplied
+        var required = {
+            url: true,
+            layer: true,
+            style: true,
+            matrixSet: true
+        };
+        for (var prop in required) {
+            if (!(prop in config)) {
+                throw new Error("Missing property '" + prop + "' in layer configuration.");
+            }
+        }
+
+        config.params = OpenLayers.Util.upperCaseObject(config.params);
+        var args = [config.name, config.url, config.params, config];
+        OpenLayers.Layer.Grid.prototype.initialize.apply(this, args);
+        
+
+        // determine format suffix (for REST)
+        if (!this.formatSuffix) {
+            this.formatSuffix = this.formatSuffixMap[this.format] || this.format.split("/").pop();            
+        }
+
+        // expand matrixIds (may be array of string or array of object)
+        if (this.matrixIds) {
+            var len = this.matrixIds.length;
+            if (len && typeof this.matrixIds[0] === "string") {
+                var ids = this.matrixIds;
+                this.matrixIds = new Array(len);
+                for (var i=0; i<len; ++i) {
+                    this.matrixIds[i] = {identifier: ids[i]};
+                }
+            }
+        }
+
+    },
+    
+    /**
+     * Method: setMap
+     */
+    setMap: function() {
+        OpenLayers.Layer.Grid.prototype.setMap.apply(this, arguments);
+    },
+    
+    /**
+     * Method: updateMatrixProperties
+     * Called when map resolution changes to update matrix related properties.
+     */
+    updateMatrixProperties: function() {
+        this.matrix = this.getMatrix();
+        if (this.matrix) {
+            if (this.matrix.topLeftCorner) {
+                this.tileOrigin = this.matrix.topLeftCorner;
+            }
+            if (this.matrix.tileWidth && this.matrix.tileHeight) {
+                this.tileSize = new OpenLayers.Size(
+                    this.matrix.tileWidth, this.matrix.tileHeight
+                );
+            }
+            if (!this.tileOrigin) { 
+                this.tileOrigin = new OpenLayers.LonLat(
+                    this.maxExtent.left, this.maxExtent.top
+                );
+            }   
+            if (!this.tileFullExtent) { 
+                this.tileFullExtent = this.maxExtent;
+            }
+        }
+    },
+    
+    /**
+     * Method: moveTo
+     * 
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     * zoomChanged - {Boolean} Tells when zoom has changed, as layers have to
+     *     do some init work in that case.
+     * dragging - {Boolean}
+     */
+    moveTo:function(bounds, zoomChanged, dragging) {
+        if (zoomChanged || !this.matrix) {
+            this.updateMatrixProperties();
+        }
+        return OpenLayers.Layer.Grid.prototype.moveTo.apply(this, arguments);
+    },
+
+    /**
+     * APIMethod: clone
+     * 
+     * Parameters:
+     * obj - {Object}
+     * 
+     * Returns:
+     * {<OpenLayers.Layer.WMTS>} An exact clone of this <OpenLayers.Layer.WMTS>
+     */
+    clone: function(obj) {
+        if (obj == null) {
+            obj = new OpenLayers.Layer.WMTS(this.options);
+        }
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+        // copy/set any non-init, non-simple values here
+        return obj;
+    },
+
+    /**
+     * Method: getIdentifier
+     * Get the current index in the matrixIds array.
+     */
+    getIdentifier: function() {
+        return this.getServerZoom();
+    },
+    
+    /**
+     * Method: getMatrix
+     * Get the appropriate matrix definition for the current map resolution.
+     */
+    getMatrix: function() {
+        var matrix;
+        if (!this.matrixIds || this.matrixIds.length === 0) {
+            matrix = {identifier: this.getIdentifier()};
+        } else {
+            // get appropriate matrix given the map scale if possible
+            if ("scaleDenominator" in this.matrixIds[0]) {
+                // scale denominator calculation based on WMTS spec
+                var denom = 
+                    OpenLayers.METERS_PER_INCH * 
+                    OpenLayers.INCHES_PER_UNIT[this.units] * 
+                    this.getServerResolution() / 0.28E-3;
+                var diff = Number.POSITIVE_INFINITY;
+                var delta;
+                for (var i=0, ii=this.matrixIds.length; i<ii; ++i) {
+                    delta = Math.abs(1 - (this.matrixIds[i].scaleDenominator / denom));
+                    if (delta < diff) {
+                        diff = delta;
+                        matrix = this.matrixIds[i];
+                    }
+                }
+            } else {
+                // fall back on zoom as index
+                matrix = this.matrixIds[this.getIdentifier()];
+            }
+        }
+        return matrix;
+    },
+    
+    /** 
+     * Method: getTileInfo
+     * Get tile information for a given location at the current map resolution.
+     *
+     * Parameters:
+     * loc - {<OpenLayers.LonLat} A location in map coordinates.
+     *
+     * Returns:
+     * {Object} An object with "col", "row", "i", and "j" properties.  The col
+     *     and row values are zero based tile indexes from the top left.  The
+     *     i and j values are the number of pixels to the left and top 
+     *     (respectively) of the given location within the target tile.
+     */
+    getTileInfo: function(loc) {
+        var res = this.getServerResolution();
+        
+        var fx = (loc.lon - this.tileOrigin.lon) / (res * this.tileSize.w);
+        var fy = (this.tileOrigin.lat - loc.lat) / (res * this.tileSize.h);
+
+        var col = Math.floor(fx);
+        var row = Math.floor(fy);
+        
+        return {
+            col: col, 
+            row: row,
+            i: Math.floor((fx - col) * this.tileSize.w),
+            j: Math.floor((fy - row) * this.tileSize.h)
+        };
+    },
+    
+    /**
+     * Method: getURL
+     * 
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     * 
+     * Returns:
+     * {String} A URL for the tile corresponding to the given bounds.
+     */
+    getURL: function(bounds) {
+        bounds = this.adjustBounds(bounds);
+        var url = "";
+        if (!this.tileFullExtent || this.tileFullExtent.intersectsBounds(bounds)) {            
+
+            var center = bounds.getCenterLonLat();            
+            var info = this.getTileInfo(center);
+            var matrixId = this.matrix.identifier;
+            var dimensions = this.dimensions, params;
+
+            if (OpenLayers.Util.isArray(this.url)) {
+                url = this.selectUrl([
+                    this.version, this.style, this.matrixSet,
+                    this.matrix.identifier, info.row, info.col
+                ].join(","), this.url);
+            } else {
+                url = this.url;
+            }
+
+            if (this.requestEncoding.toUpperCase() === "REST") {
+                params = this.params;
+                if (url.indexOf("{") !== -1) {
+                    var template = url.replace(/\{/g, "${");
+                    var context = {
+                        // spec does not make clear if capital S or not
+                        style: this.style, Style: this.style,
+                        TileMatrixSet: this.matrixSet,
+                        TileMatrix: this.matrix.identifier,
+                        TileRow: info.row,
+                        TileCol: info.col
+                    };
+                    if (dimensions) {
+                        var dimension, i;
+                        for (i=dimensions.length-1; i>=0; --i) {
+                            dimension = dimensions[i];
+                            context[dimension] = params[dimension.toUpperCase()];
+                        }
+                    }
+                    url = OpenLayers.String.format(template, context);
+                } else {
+                    // include 'version', 'layer' and 'style' in tile resource url
+                    var path = this.version + "/" + this.layer + "/" + this.style + "/";
+
+                    // append optional dimension path elements
+                    if (dimensions) {
+                        for (var i=0; i<dimensions.length; i++) {
+                            if (params[dimensions[i]]) {
+                                path = path + params[dimensions[i]] + "/";
+                            }
+                        }
+                    }
+
+                    // append other required path elements
+                    path = path + this.matrixSet + "/" + this.matrix.identifier + 
+                        "/" + info.row + "/" + info.col + "." + this.formatSuffix;
+
+                    if (!url.match(/\/$/)) {
+                        url = url + "/";
+                    }
+                    url = url + path;
+                }
+            } else if (this.requestEncoding.toUpperCase() === "KVP") {
+
+                // assemble all required parameters
+                params = {
+                    SERVICE: "WMTS",
+                    REQUEST: "GetTile",
+                    VERSION: this.version,
+                    LAYER: this.layer,
+                    STYLE: this.style,
+                    TILEMATRIXSET: this.matrixSet,
+                    TILEMATRIX: this.matrix.identifier,
+                    TILEROW: info.row,
+                    TILECOL: info.col,
+                    FORMAT: this.format
+                };
+                url = OpenLayers.Layer.Grid.prototype.getFullRequestString.apply(this, [params]);
+
+            }
+        }
+        return url;    
+    },
+    
+    /**
+     * APIMethod: mergeNewParams
+     * Extend the existing layer <params> with new properties.  Tiles will be
+     *     reloaded with updated params in the request.
+     * 
+     * Parameters:
+     * newParams - {Object} Properties to extend to existing <params>.
+     */
+    mergeNewParams: function(newParams) {
+        if (this.requestEncoding.toUpperCase() === "KVP") {
+            return OpenLayers.Layer.Grid.prototype.mergeNewParams.apply(
+                this, [OpenLayers.Util.upperCaseObject(newParams)]
+            );
+        }
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.WMTS"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/WorldWind.js b/misc/openlayers/lib/OpenLayers/Layer/WorldWind.js
new file mode 100644
index 0000000..8581289
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/WorldWind.js
@@ -0,0 +1,105 @@
+/* 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"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/XYZ.js b/misc/openlayers/lib/OpenLayers/Layer/XYZ.js
new file mode 100644
index 0000000..5af5ce3
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/XYZ.js
@@ -0,0 +1,172 @@
+/* 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"
+});
diff --git a/misc/openlayers/lib/OpenLayers/Layer/Zoomify.js b/misc/openlayers/lib/OpenLayers/Layer/Zoomify.js
new file mode 100644
index 0000000..1c3d57d
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/Zoomify.js
@@ -0,0 +1,260 @@
+/* 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. */
+
+/*
+ * Development supported by a R&D grant DC08P02OUK006 - Old Maps Online
+ * (www.oldmapsonline.org) from Ministry of Culture of the Czech Republic.
+ */
+
+
+/**
+ * @requires OpenLayers/Layer/Grid.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.Zoomify
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.Zoomify = OpenLayers.Class(OpenLayers.Layer.Grid, {
+
+    /**
+     * Property: size
+     * {<OpenLayers.Size>} The Zoomify image size in pixels.
+     */
+    size: null,
+
+    /**
+     * APIProperty: isBaseLayer
+     * {Boolean}
+     */
+    isBaseLayer: true,
+
+    /**
+     * Property: standardTileSize
+     * {Integer} The size of a standard (non-border) square tile in pixels.
+     */
+    standardTileSize: 256,
+
+    /** 
+     * Property: tileOriginCorner
+     * {String} This layer uses top-left as tile origin
+     **/
+    tileOriginCorner: "tl",
+
+    /**
+     * Property: numberOfTiers
+     * {Integer} Depth of the Zoomify pyramid, number of tiers (zoom levels)
+     *                          - filled during Zoomify pyramid initialization.
+     */
+    numberOfTiers: 0,
+
+    /**
+     * Property: tileCountUpToTier
+     * {Array(Integer)} Number of tiles up to the given tier of pyramid.
+     *                          - filled during Zoomify pyramid initialization.
+     */
+    tileCountUpToTier: null,
+
+    /**
+     * Property: tierSizeInTiles
+     * {Array(<OpenLayers.Size>)} Size (in tiles) for each tier of pyramid.
+     *                          - filled during Zoomify pyramid initialization.
+     */
+    tierSizeInTiles: null,
+
+    /**
+     * Property: tierImageSize
+     * {Array(<OpenLayers.Size>)} Image size in pixels for each pyramid tier.
+     *                          - filled during Zoomify pyramid initialization.
+     */
+    tierImageSize: null,
+
+    /**
+     * Constructor: OpenLayers.Layer.Zoomify
+     *
+     * Parameters:
+     * name - {String} A name for the layer.
+     * url - {String} - Relative or absolute path to the image or more
+     *        precisly to the TileGroup[X] directories root.
+     *        Flash plugin use the variable name "zoomifyImagePath" for this.
+     * size - {<OpenLayers.Size>} The size (in pixels) of the image.
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, url, size, options) {
+
+        // initilize the Zoomify pyramid for given size
+        this.initializeZoomify(size);
+
+        OpenLayers.Layer.Grid.prototype.initialize.apply(this, [
+            name, url, size, {}, options
+        ]);
+    },
+
+    /**
+     * Method: initializeZoomify
+     * It generates constants for all tiers of the Zoomify pyramid
+     *
+     * Parameters:
+     * size - {<OpenLayers.Size>} The size of the image in pixels
+     *
+     */
+    initializeZoomify: function( size ) {
+
+        var imageSize = size.clone();
+        this.size = size.clone();
+        var tiles = new OpenLayers.Size(
+            Math.ceil( imageSize.w / this.standardTileSize ),
+            Math.ceil( imageSize.h / this.standardTileSize )
+            );
+
+        this.tierSizeInTiles = [tiles];
+        this.tierImageSize = [imageSize];
+
+        while (imageSize.w > this.standardTileSize ||
+               imageSize.h > this.standardTileSize ) {
+
+            imageSize = new OpenLayers.Size(
+                Math.floor( imageSize.w / 2 ),
+                Math.floor( imageSize.h / 2 )
+                );
+            tiles = new OpenLayers.Size(
+                Math.ceil( imageSize.w / this.standardTileSize ),
+                Math.ceil( imageSize.h / this.standardTileSize )
+                );
+            this.tierSizeInTiles.push( tiles );
+            this.tierImageSize.push( imageSize );
+        }
+
+        this.tierSizeInTiles.reverse();
+        this.tierImageSize.reverse();
+
+        this.numberOfTiers = this.tierSizeInTiles.length;
+        var resolutions = [1];
+        this.tileCountUpToTier = [0];
+        for (var i = 1; i < this.numberOfTiers; i++) {
+            resolutions.unshift(Math.pow(2, i));
+            this.tileCountUpToTier.push(
+                this.tierSizeInTiles[i-1].w * this.tierSizeInTiles[i-1].h +
+                this.tileCountUpToTier[i-1]
+                );
+        }
+        if (!this.serverResolutions) {
+            this.serverResolutions = resolutions;
+        }
+    },
+
+    /**
+     * APIMethod:destroy
+     */
+    destroy: function() {
+        // for now, nothing special to do here.
+        OpenLayers.Layer.Grid.prototype.destroy.apply(this, arguments);
+
+        // Remove from memory the Zoomify pyramid - is that enough?
+        this.tileCountUpToTier.length = 0;
+        this.tierSizeInTiles.length = 0;
+        this.tierImageSize.length = 0;
+
+    },
+
+    /**
+     * APIMethod: clone
+     *
+     * Parameters:
+     * obj - {Object}
+     *
+     * Returns:
+     * {<OpenLayers.Layer.Zoomify>} An exact clone of this <OpenLayers.Layer.Zoomify>
+     */
+    clone: function (obj) {
+
+        if (obj == null) {
+            obj = new OpenLayers.Layer.Zoomify(this.name,
+                                           this.url,
+                                           this.size,
+                                           this.options);
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+
+        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) {
+        bounds = this.adjustBounds(bounds);
+        var res = this.getServerResolution();
+        var x = Math.round((bounds.left - this.tileOrigin.lon) / (res * this.tileSize.w));
+        var y = Math.round((this.tileOrigin.lat - bounds.top) / (res * this.tileSize.h));
+        var z = this.getZoomForResolution( res );
+
+        var tileIndex = x + y * this.tierSizeInTiles[z].w + this.tileCountUpToTier[z];
+        var path = "TileGroup" + Math.floor( (tileIndex) / 256 ) +
+            "/" + z + "-" + x + "-" + y + ".jpg";
+        var url = this.url;
+        if (OpenLayers.Util.isArray(url)) {
+            url = this.selectUrl(path, url);
+        }
+        return url + path;
+    },
+
+    /**
+     * Method: getImageSize
+     * getImageSize returns size for a particular tile. If bounds are given as
+     * first argument, size is calculated (bottom-right tiles are non square).
+     *
+     */
+    getImageSize: function() {
+        if (arguments.length > 0) {
+            var bounds = this.adjustBounds(arguments[0]);
+            var res = this.getServerResolution();
+            var x = Math.round((bounds.left - this.tileOrigin.lon) / (res * this.tileSize.w));
+            var y = Math.round((this.tileOrigin.lat - bounds.top) / (res * this.tileSize.h));
+            var z = this.getZoomForResolution( res );
+            var w = this.standardTileSize;
+            var h = this.standardTileSize;
+            if (x == this.tierSizeInTiles[z].w -1 ) {
+                var w = this.tierImageSize[z].w % this.standardTileSize;
+            }
+            if (y == this.tierSizeInTiles[z].h -1 ) {
+                var h = this.tierImageSize[z].h % this.standardTileSize;
+            }
+            return (new OpenLayers.Size(w, h));
+        } else {
+            return this.tileSize;
+        }
+    },
+
+    /**
+     * 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);
+        this.tileOrigin = new OpenLayers.LonLat(this.map.maxExtent.left,
+                                                this.map.maxExtent.top);
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.Zoomify"
+});