Changeset 9196 for src/django_gheat/website/static/heatmap.js

Timestamp:

May 13, 2011, 12:23:52 PM (14 years ago)

Author:

dennisw

Message:

Having doubts about the way the query is being serialized.

File:

• src/django_gheat/website/static/heatmap.js (modified) (3 diffs)

src/django_gheat/website/static/heatmap.js

@@ -21 +21 @@
         map.events.register('click', map, GetMousePos);
         function GetMousePos(pos) {
-                var pixbuffer = 100;
-                var sw = map.getLonLatFromPixel(new OpenLayers.Pixel(pos.xy.x+pixbuffer,pos.xy.y-pixbuffer));
-                var ne = map.getLonLatFromPixel(new OpenLayers.Pixel(pos.xy.x-pixbuffer,pos.xy.y+pixbuffer));
-                var pointsw = OpenLayers.Layer.SphericalMercator.inverseMercator(sw.lon, sw.lat);
-                var pointne = OpenLayers.Layer.SphericalMercator.inverseMercator(ne.lon, ne.lat);
-                getNodeList(pointsw, pointne);
+                var pix = map.getLonLatFromPixel(new OpenLayers.Pixel(pos.xy.x,pos.xy.y));
+                var mousepos = OpenLayers.Layer.SphericalMercator.inverseMercator(pix.lon, pix.lat);
+                var zoomlevel = map.getZoom();
+                getNodeList(zoom, mousepos);
         }
 
@@ -49 +47 @@
 }
 
-function getNodeList(sw, ne){
+function getNodeList(zoomlevel, mousepos){
   var nodelist;
   if (window.XMLHttpRequest){
@@ -62 +60 @@
   nodelist.onreadystatechange=function(){
     if (nodelist.readyState==4 && nodelist.status==200){
-      txt=nodelist.responseText
+      txt=nodelist.responseText;
       document.getElementById('nodelist').innerHTML=txt;
     }
   }
 
-  nodelist.open("GET","/website/nodelist/" + sw.lat + "," + sw.lon + "," + ne.lat + "," + ne.lon,true);
+  nodelist.open("GET","/website/nodelist/" + zoomlevel + "," + mousepos.lat + "," + mousepos.lon,true);
   nodelist.send();
 }