| 1 | function init(){
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| 2 | map = new OpenLayers.Map('heatmap', {
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| 3 | controls: [
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| 4 | new OpenLayers.Control.Navigation(),
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| 5 | new OpenLayers.Control.PanZoomBar(),
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| 6 | new OpenLayers.Control.ScaleLine(),
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| 7 | new OpenLayers.Control.LayerSwitcher()
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| 8 | ],
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| 9 | maxExtent: new OpenLayers.Bounds(-20037508.3427892,-20037508.3427892,20037508.3427892,20037508.3427892),
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| 10 | numZoomLevels:18,
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| 11 | maxResolution:156543.0339,
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| 12 | units:'m',
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| 13 | projection: "EPSG:900913",
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| 14 | displayProjection: new OpenLayers.Projection("EPSG:4326")
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| 15 | });
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| 16 |
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| 17 | layerMapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik");
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| 18 | map.addLayer(layerMapnik);
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| 19 | layerHeatmap = new OpenLayers.Layer.OSM.Overlay1("Huub_1", {isBaseLayer: false, visibility: true});
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| 20 | map.addLayer(layerHeatmap);
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| 21 | layerHeatmap = new OpenLayers.Layer.OSM.Overlay2("Huub_2", {isBaseLayer: false, visibility: true});
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| 22 | map.addLayer(layerHeatmap);
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| 23 | layerHeatmap = new OpenLayers.Layer.OSM.Overlay3("Huub_3", {isBaseLayer: false, visibility: true});
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| 24 | map.addLayer(layerHeatmap);
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| 25 |
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| 26 | var lon = 4.4585017;
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| 27 | var lat = 52.1406583;
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| 28 | var zoom = 13;
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| 29 |
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| 30 | var lonLat = new OpenLayers.LonLat(lon, lat).transform(new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject());
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| 31 | map.setCenter (lonLat, zoom);
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| 32 | }
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