Only add the data layer to the main map, and use the visibility changed

[rails.git] / public / openlayers / OpenStreetMap.js

diff --git a/public/openlayers/OpenStreetMap.js b/public/openlayers/OpenStreetMap.js
index 40722d4e0bc81c359a3d638f554dc00d3164ee4c..d6bc397d132ae517433ae494ad5956a0cc18cef1 100644 (file)
--- a/public/openlayers/OpenStreetMap.js
+++ b/public/openlayers/OpenStreetMap.js
@@ -16,11 +16,13 @@ OpenLayers.Util.OSM.MISSING_TILE_URL = "http://openstreetmap.org/openlayers/img/
 OpenLayers.Util.OSM.originalOnImageLoadError = OpenLayers.Util.onImageLoadError;
 
 /**
- * Function: onImageLoadError 
+ * Function: onImageLoadError
  */
 OpenLayers.Util.onImageLoadError = function() {
-    if (this.src.match(/^http:\/\/[abc]\.[a-z]+\.openstreetmap\.org/)) {
+    if (this.src.match(/^http:\/\/[abc]\.[a-z]+\.openstreetmap\.org\//)) {
         this.src = OpenLayers.Util.OSM.MISSING_TILE_URL;
+    } else if (this.src.match(/^http:\/\/[def]\.tah\.openstreetmap\.org\//)) {
+        // do nothing - this layer is transparent
     } else {
         OpenLayers.Util.OSM.originalOnImageLoadError;
     }
@@ -28,35 +30,43 @@ OpenLayers.Util.onImageLoadError = function() {
 
 /**
  * @requires OpenLayers/Layer/TMS.js
- * 
+ *
  * Class: OpenLayers.Layer.OSM
- * 
+ *
  * Inherits from:
  *  - <OpenLayers.Layer.TMS>
  */
 OpenLayers.Layer.OSM = OpenLayers.Class(OpenLayers.Layer.TMS, {
     /**
      * Constructor: OpenLayers.Layer.OSM
-     * 
+     *
      * Parameters:
      * name - {String}
      * url - {String}
      * options - {Object} Hashtable of extra options to tag onto the layer
      */
     initialize: function(name, url, options) {
-        options = OpenLayers.Util.extend(options, { attribution: "Data by <a href='http://openstreetmap.org/'>OpenStreetMap</a>" });
-        OpenLayers.Layer.TMS.prototype.initialize.apply(this, arguments);
-    },    
-    
+        options = OpenLayers.Util.extend({
+            attribution: "Data by <a href='http://openstreetmap.org/'>OpenStreetMap</a>",
+            maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
+            maxResolution: 156543.0339,
+            units: "m",
+            projection: "EPSG:900913",
+            transitionEffect: "resize"
+        }, options);
+        var newArguments = [name, url, options];
+        OpenLayers.Layer.TMS.prototype.initialize.apply(this, newArguments);
+    },
+
     /**
      * 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 
+     * {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) {
@@ -91,14 +101,14 @@ OpenLayers.Layer.OSM = OpenLayers.Class(OpenLayers.Layer.TMS, {
 
 /**
  * Class: OpenLayers.Layer.OSM.Mapnik
- * 
+ *
  * Inherits from:
  *  - <OpenLayers.Layer.OSM>
  */
 OpenLayers.Layer.OSM.Mapnik = OpenLayers.Class(OpenLayers.Layer.OSM, {
     /**
      * Constructor: OpenLayers.Layer.OSM.Mapnik
-     * 
+     *
      * Parameters:
      * name - {String}
      * options - {Object} Hashtable of extra options to tag onto the layer
@@ -109,23 +119,24 @@ OpenLayers.Layer.OSM.Mapnik = OpenLayers.Class(OpenLayers.Layer.OSM, {
             "http://b.tile.openstreetmap.org/",
             "http://c.tile.openstreetmap.org/"
         ];
+        options = OpenLayers.Util.extend({ numZoomLevels: 19 }, options);
         var newArguments = [name, url, options];
         OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
-    },    
+    },
 
     CLASS_NAME: "OpenLayers.Layer.OSM.Mapnik"
 });
 
 /**
  * Class: OpenLayers.Layer.OSM.Osmarender
- * 
+ *
  * Inherits from:
  *  - <OpenLayers.Layer.OSM>
  */
 OpenLayers.Layer.OSM.Osmarender = OpenLayers.Class(OpenLayers.Layer.OSM, {
     /**
      * Constructor: OpenLayers.Layer.OSM.Osmarender
-     * 
+     *
      * Parameters:
      * name - {String}
      * options - {Object} Hashtable of extra options to tag onto the layer
@@ -136,9 +147,38 @@ OpenLayers.Layer.OSM.Osmarender = OpenLayers.Class(OpenLayers.Layer.OSM, {
             "http://b.tah.openstreetmap.org/Tiles/tile.php/",
             "http://c.tah.openstreetmap.org/Tiles/tile.php/"
         ];
+        options = OpenLayers.Util.extend({ numZoomLevels: 18 }, options);
         var newArguments = [name, url, options];
         OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
-    },    
+    },
 
     CLASS_NAME: "OpenLayers.Layer.OSM.Osmarender"
 });
+
+/**
+ * Class: OpenLayers.Layer.OSM.Maplint
+ *
+ * Inherits from:
+ *  - <OpenLayers.Layer.OSM>
+ */
+OpenLayers.Layer.OSM.Maplint = OpenLayers.Class(OpenLayers.Layer.OSM, {
+    /**
+     * Constructor: OpenLayers.Layer.OSM.Maplint
+     *
+     * Parameters:
+     * name - {String}
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, options) {
+        var url = [
+            "http://d.tah.openstreetmap.org/Tiles/maplint.php/",
+            "http://e.tah.openstreetmap.org/Tiles/maplint.php/",
+            "http://f.tah.openstreetmap.org/Tiles/maplint.php/"
+        ];
+        options = OpenLayers.Util.extend({ numZoomLevels: 18, isBaseLayer: false, visibility: false }, options);
+        var newArguments = [name, url, options];
+        OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.OSM.Maplint"
+});