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

1 files changed, 322 insertions, 0 deletions

diff --git a/misc/openlayers/lib/OpenLayers/Projection.js b/misc/openlayers/lib/OpenLayers/Projection.js
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+++ b/misc/openlayers/lib/OpenLayers/Projection.js
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+/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
+ * full list of contributors). Published under the 2-clause BSD license.
+ * See license.txt in the OpenLayers distribution or repository for the
+ * full text of the license. */
+
+/**
+ * @requires OpenLayers/BaseTypes/Class.js
+ * @requires OpenLayers/Util.js
+ */
+
+/**
+ * Namespace: OpenLayers.Projection
+ * Methods for coordinate transforms between coordinate systems.  By default,
+ *     OpenLayers ships with the ability to transform coordinates between
+ *     geographic (EPSG:4326) and web or spherical mercator (EPSG:900913 et al.)
+ *     coordinate reference systems.  See the <transform> method for details
+ *     on usage.
+ *
+ * Additional transforms may be added by using the <proj4js at http://proj4js.org/>
+ *     library.  If the proj4js library is included, the <transform> method 
+ *     will work between any two coordinate reference systems with proj4js 
+ *     definitions.
+ *
+ * If the proj4js library is not included, or if you wish to allow transforms
+ *     between arbitrary coordinate reference systems, use the <addTransform>
+ *     method to register a custom transform method.
+ */
+OpenLayers.Projection = OpenLayers.Class({
+
+    /**
+     * Property: proj
+     * {Object} Proj4js.Proj instance.
+     */
+    proj: null,
+    
+    /**
+     * Property: projCode
+     * {String}
+     */
+    projCode: null,
+    
+    /**
+     * Property: titleRegEx
+     * {RegExp} regular expression to strip the title from a proj4js definition
+     */
+    titleRegEx: /\+title=[^\+]*/,
+
+    /**
+     * Constructor: OpenLayers.Projection
+     * This class offers several methods for interacting with a wrapped 
+     *     pro4js projection object. 
+     *
+     * Parameters:
+     * projCode - {String} A string identifying the Well Known Identifier for
+     *    the projection.
+     * options - {Object} An optional object to set additional properties
+     *     on the projection.
+     *
+     * Returns:
+     * {<OpenLayers.Projection>} A projection object.
+     */
+    initialize: function(projCode, options) {
+        OpenLayers.Util.extend(this, options);
+        this.projCode = projCode;
+        if (typeof Proj4js == "object") {
+            this.proj = new Proj4js.Proj(projCode);
+        }
+    },
+    
+    /**
+     * APIMethod: getCode
+     * Get the string SRS code.
+     *
+     * Returns:
+     * {String} The SRS code.
+     */
+    getCode: function() {
+        return this.proj ? this.proj.srsCode : this.projCode;
+    },
+   
+    /**
+     * APIMethod: getUnits
+     * Get the units string for the projection -- returns null if 
+     *     proj4js is not available.
+     *
+     * Returns:
+     * {String} The units abbreviation.
+     */
+    getUnits: function() {
+        return this.proj ? this.proj.units : null;
+    },
+
+    /**
+     * Method: toString
+     * Convert projection to string (getCode wrapper).
+     *
+     * Returns:
+     * {String} The projection code.
+     */
+    toString: function() {
+        return this.getCode();
+    },
+
+    /**
+     * Method: equals
+     * Test equality of two projection instances.  Determines equality based
+     *     soley on the projection code.
+     *
+     * Returns:
+     * {Boolean} The two projections are equivalent.
+     */
+    equals: function(projection) {
+        var p = projection, equals = false;
+        if (p) {
+            if (!(p instanceof OpenLayers.Projection)) {
+                p = new OpenLayers.Projection(p);
+            }
+            if ((typeof Proj4js == "object") && this.proj.defData && p.proj.defData) {
+                equals = this.proj.defData.replace(this.titleRegEx, "") ==
+                    p.proj.defData.replace(this.titleRegEx, "");
+            } else if (p.getCode) {
+                var source = this.getCode(), target = p.getCode();
+                equals = source == target ||
+                    !!OpenLayers.Projection.transforms[source] &&
+                    OpenLayers.Projection.transforms[source][target] ===
+                        OpenLayers.Projection.nullTransform;
+            }
+        }
+        return equals;   
+    },
+
+    /* Method: destroy
+     * Destroy projection object.
+     */
+    destroy: function() {
+        delete this.proj;
+        delete this.projCode;
+    },
+    
+    CLASS_NAME: "OpenLayers.Projection" 
+});     
+
+/**
+ * Property: transforms
+ * {Object} Transforms is an object, with from properties, each of which may
+ * have a to property. This allows you to define projections without 
+ * requiring support for proj4js to be included.
+ *
+ * This object has keys which correspond to a 'source' projection object.  The
+ * keys should be strings, corresponding to the projection.getCode() value.
+ * Each source projection object should have a set of destination projection
+ * keys included in the object. 
+ * 
+ * Each value in the destination object should be a transformation function,
+ * where the function is expected to be passed an object with a .x and a .y
+ * property.  The function should return the object, with the .x and .y
+ * transformed according to the transformation function.
+ *
+ * Note - Properties on this object should not be set directly.  To add a
+ *     transform method to this object, use the <addTransform> method.  For an
+ *     example of usage, see the OpenLayers.Layer.SphericalMercator file.
+ */
+OpenLayers.Projection.transforms = {};
+
+/**
+ * APIProperty: defaults
+ * {Object} Defaults for the SRS codes known to OpenLayers (currently
+ * EPSG:4326, CRS:84, urn:ogc:def:crs:EPSG:6.6:4326, EPSG:900913, EPSG:3857,
+ * EPSG:102113 and EPSG:102100). Keys are the SRS code, values are units,
+ * maxExtent (the validity extent for the SRS) and yx (true if this SRS is
+ * known to have a reverse axis order).
+ */
+OpenLayers.Projection.defaults = {
+    "EPSG:4326": {
+        units: "degrees",
+        maxExtent: [-180, -90, 180, 90],
+        yx: true
+    },
+    "CRS:84": {
+        units: "degrees",
+        maxExtent: [-180, -90, 180, 90]
+    },
+    "EPSG:900913": {
+        units: "m",
+        maxExtent: [-20037508.34, -20037508.34, 20037508.34, 20037508.34]
+    }
+};
+
+/**
+ * APIMethod: addTransform
+ * Set a custom transform method between two projections.  Use this method in
+ *     cases where the proj4js lib is not available or where custom projections
+ *     need to be handled.
+ *
+ * Parameters:
+ * from - {String} The code for the source projection
+ * to - {String} the code for the destination projection
+ * method - {Function} A function that takes a point as an argument and
+ *     transforms that point from the source to the destination projection
+ *     in place.  The original point should be modified.
+ */
+OpenLayers.Projection.addTransform = function(from, to, method) {
+    if (method === OpenLayers.Projection.nullTransform) {
+        var defaults = OpenLayers.Projection.defaults[from];
+        if (defaults && !OpenLayers.Projection.defaults[to]) {
+            OpenLayers.Projection.defaults[to] = defaults;
+        }
+    }
+    if(!OpenLayers.Projection.transforms[from]) {
+        OpenLayers.Projection.transforms[from] = {};
+    }
+    OpenLayers.Projection.transforms[from][to] = method;
+};
+
+/**
+ * APIMethod: transform
+ * Transform a point coordinate from one projection to another.  Note that
+ *     the input point is transformed in place.
+ * 
+ * Parameters:
+ * point - {<OpenLayers.Geometry.Point> | Object} An object with x and y
+ *     properties representing coordinates in those dimensions.
+ * source - {OpenLayers.Projection} Source map coordinate system
+ * dest - {OpenLayers.Projection} Destination map coordinate system
+ *
+ * Returns:
+ * point - {object} A transformed coordinate.  The original point is modified.
+ */
+OpenLayers.Projection.transform = function(point, source, dest) {
+    if (source && dest) {
+        if (!(source instanceof OpenLayers.Projection)) {
+            source = new OpenLayers.Projection(source);
+        }
+        if (!(dest instanceof OpenLayers.Projection)) {
+            dest = new OpenLayers.Projection(dest);
+        }
+        if (source.proj && dest.proj) {
+            point = Proj4js.transform(source.proj, dest.proj, point);
+        } else {
+            var sourceCode = source.getCode();
+            var destCode = dest.getCode();
+            var transforms = OpenLayers.Projection.transforms;
+            if (transforms[sourceCode] && transforms[sourceCode][destCode]) {
+                transforms[sourceCode][destCode](point);
+            }
+        }
+    }
+    return point;
+};
+
+/**
+ * APIFunction: nullTransform
+ * A null transformation - useful for defining projection aliases when
+ * proj4js is not available:
+ *
+ * (code)
+ * OpenLayers.Projection.addTransform("EPSG:3857", "EPSG:900913",
+ *     OpenLayers.Projection.nullTransform);
+ * OpenLayers.Projection.addTransform("EPSG:900913", "EPSG:3857",
+ *     OpenLayers.Projection.nullTransform);
+ * (end)
+ */
+OpenLayers.Projection.nullTransform = function(point) {
+    return point;
+};
+
+/**
+ * Note: Transforms for web mercator <-> geographic
+ * OpenLayers recognizes EPSG:3857, EPSG:900913, EPSG:102113 and EPSG:102100.
+ * OpenLayers originally started referring to EPSG:900913 as web mercator.
+ * The EPSG has declared EPSG:3857 to be web mercator.
+ * ArcGIS 10 recognizes the EPSG:3857, EPSG:102113, and EPSG:102100 as
+ * equivalent.  See http://blogs.esri.com/Dev/blogs/arcgisserver/archive/2009/11/20/ArcGIS-Online-moving-to-Google-_2F00_-Bing-tiling-scheme_3A00_-What-does-this-mean-for-you_3F00_.aspx#12084.
+ * For geographic, OpenLayers recognizes EPSG:4326, CRS:84 and
+ * urn:ogc:def:crs:EPSG:6.6:4326. OpenLayers also knows about the reverse axis
+ * order for EPSG:4326. 
+ */
+(function() {
+
+    var pole = 20037508.34;
+
+    function inverseMercator(xy) {
+        xy.x = 180 * xy.x / pole;
+        xy.y = 180 / Math.PI * (2 * Math.atan(Math.exp((xy.y / pole) * Math.PI)) - Math.PI / 2);
+        return xy;
+    }
+
+    function forwardMercator(xy) {
+        xy.x = xy.x * pole / 180;
+        var y = Math.log(Math.tan((90 + xy.y) * Math.PI / 360)) / Math.PI * pole;
+        xy.y = Math.max(-20037508.34, Math.min(y, 20037508.34));
+        return xy;
+    }
+
+    function map(base, codes) {
+        var add = OpenLayers.Projection.addTransform;
+        var same = OpenLayers.Projection.nullTransform;
+        var i, len, code, other, j;
+        for (i=0, len=codes.length; i<len; ++i) {
+            code = codes[i];
+            add(base, code, forwardMercator);
+            add(code, base, inverseMercator);
+            for (j=i+1; j<len; ++j) {
+                other = codes[j];
+                add(code, other, same);
+                add(other, code, same);
+            }
+        }
+    }
+    
+    // list of equivalent codes for web mercator
+    var mercator = ["EPSG:900913", "EPSG:3857", "EPSG:102113", "EPSG:102100"],
+        geographic = ["CRS:84", "urn:ogc:def:crs:EPSG:6.6:4326", "EPSG:4326"],
+        i;
+    for (i=mercator.length-1; i>=0; --i) {
+        map(mercator[i], geographic);
+    }
+    for (i=geographic.length-1; i>=0; --i) {
+        map(geographic[i], mercator);
+    }
+
+})();