Index: /src/django_gheat/wlheatmap/static/heatmap.js
===================================================================
--- /src/django_gheat/wlheatmap/static/heatmap.js	(revision 9586)
+++ /src/django_gheat/wlheatmap/static/heatmap.js	(revision 9587)
@@ -22,6 +22,7 @@
       new OpenLayers.Control.Permalink(),
       new OpenLayers.Control.PanZoomBar(),
+      new OpenLayers.Control.ZoomBox(),
       new OpenLayers.Control.OverviewMap({ 
-        maximized : true,
+        maximized : false,
         mapOptions: { theme: null, },
       }),
@@ -67,5 +68,36 @@
   layerHeatmap = new OpenLayers.Layer.OSM.Overlay1("Original Heatmap generator", {isBaseLayer: false, visibility: false});
   //map.addLayer(layerHeatmap);
-	
+
+  // create the layer styleMap by giving the default style a context
+  var colors = ["red", "green", "blue"];
+  var context = {
+      getSize: function(feature) {
+        var resolution = map.getResolution();
+        var scale = map.getZoom();
+        var base = 1;
+        if (scale > 16) {
+          base = 5;
+        } else if (scale > 14) {
+          base = 20;
+        } else {
+          base = 50;
+        }
+        return (base / map.getResolution());
+      }
+  };
+  var template = {
+      pointRadius: "${getSize}", // using context.getSize(feature)
+      fillColor: "lightgreen", // using context.getColor(feature)
+      strokeWidth: 0.5,
+  };
+  var style = new OpenLayers.Style(template, {context: context});
+  var geojson = new OpenLayers.Layer.GML("GeoJSON", "/static/nodes.json", {
+    projection: new OpenLayers.Projection("EPSG:4326"),
+    styleMap: new OpenLayers.StyleMap(style),
+    format: OpenLayers.Format.GeoJSON
+      });
+  map.addLayer(geojson);
+
+
   var lonLat = new OpenLayers.LonLat(lon, lat).transform(new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject());
   map.setCenter (lonLat, zoom);
Index: /src/django_gheat/wlheatmap/static/nodes.json
===================================================================
--- /src/django_gheat/wlheatmap/static/nodes.json	(revision 9587)
+++ /src/django_gheat/wlheatmap/static/nodes.json	(revision 9587)
@@ -0,0 +1,12 @@
+{
+    "type": "Feature", 
+    "properties": {
+    }, 
+    "geometry": {
+        "type": "Point",
+        "coordinates": [
+            4.49,
+            52.15
+        ]
+    }
+}