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

[rails.git] / public / javascripts / map.js

diff --git a/public/javascripts/map.js b/public/javascripts/map.js
index 0dadbb9d355b1e11fc3f561abe7bbf42104cb100..9b144c560a5093f6d0852137f7e948dc079dc991 100644 (file)
--- a/public/javascripts/map.js
+++ b/public/javascripts/map.js
@@ -8,7 +8,8 @@ OpenLayers._getScriptLocation = function () {
 }
 
 function createMap(divName, options) {
-   if (!options) { options = {} }
+   options = options || {};
+
    map = new OpenLayers.Map(divName, {
       controls: options.controls || [
          new OpenLayers.Control.ArgParser(),
@@ -19,7 +20,7 @@ function createMap(divName, options) {
          new OpenLayers.Control.ScaleLine()
       ],
       units: "m",
-      maxResolution: 156543,
+      maxResolution: 156543.0339,
       numZoomLevels: 20
    });
 
@@ -110,6 +111,10 @@ function setMapExtent(extent) {
    map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject()));
 }
 
+function getMapExtent(extent) {
+   return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326);
+}
+
 function getEventPosition(event) {
    return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326);
 }