avoid inducing despair in relations-related circumstances

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

diff --git a/public/javascripts/map.js b/public/javascripts/map.js
index d8765fe1a93fcb6507427427468c429c116b133a..b3d964b5b468e0bffa7ff1b5989a48119c483bcf 100644 (file)
--- a/public/javascripts/map.js
+++ b/public/javascripts/map.js
@@ -17,7 +17,9 @@ function createMap(divName) {
          new OpenLayers.Control.PanZoomBar(),
          new OpenLayers.Control.ScaleLine()
       ],
          new OpenLayers.Control.PanZoomBar(),
          new OpenLayers.Control.ScaleLine()
       ],

-      units: "m"
+      units: "m",
+      maxResolution: 156543,
+      numZoomLevels: 20

    });
 
    var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", {
    });
 
    var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", {


@@ -108,7 +110,7 @@ function setMapExtent(extent) {
 }
 
 function getEventPosition(event) {
 }
 
 function getEventPosition(event) {

-   return map.getLonLatFromViewPortPx(e.xy).clone().transform(epsg4326, map.getProjectionObject());
+   return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326);

 }
 
 function getMapLayers() {
 }
 
 function getMapLayers() {


@@ -130,12 +132,15 @@ function getMapLayers() {
 function setMapLayers(layers) {
    for (var i=0; i < layers.length; i++) {
       var layer = map.layers[i];
 function setMapLayers(layers) {
    for (var i=0; i < layers.length; i++) {
       var layer = map.layers[i];

-      var c = layers.charAt(i);

 
 

-      if (c == "B") {
-         map.setBaseLayer(layer);
-      } else if ( (c == "T") || (c == "F") ) {
-         layer.setVisibility(c == "T");
+      if (layer) {
+         var c = layers.charAt(i);
+
+         if (c == "B") {
+            map.setBaseLayer(layer);
+         } else if ( (c == "T") || (c == "F") ) {
+            layer.setVisibility(c == "T");
+         }

       }
    }
 }
       }
    }
 }