5 OpenLayers._getScriptLocation = function () {
9 function createMap(divName) {
10 map = new OpenLayers.Map(divName, {
12 new OpenLayers.Control.ArgParser(),
13 new OpenLayers.Control.Attribution(),
14 new OpenLayers.Control.LayerSwitcher(),
15 new OpenLayers.Control.Navigation(),
16 new OpenLayers.Control.PanZoomBar(),
17 new OpenLayers.Control.ScaleLine()
22 var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", {
23 displayOutsideMaxExtent: true,
28 var osmarender = new OpenLayers.Layer.OSM.Osmarender("Osmarender", {
29 displayOutsideMaxExtent: true,
32 map.addLayer(osmarender);
34 var maplint = new OpenLayers.Layer.OSM.Maplint("Maplint", {
35 displayOutsideMaxExtent: true,
38 map.addLayer(maplint);
40 var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels);
41 markers = new OpenLayers.Layer.Markers("Markers", {
42 displayInLayerSwitcher: false,
43 numZoomLevels: numZoomLevels,
44 maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
45 maxResolution: 156543,
47 projection: "EPSG:900913"
49 map.addLayer(markers);
54 function getArrowIcon() {
55 var size = new OpenLayers.Size(25, 22);
56 var offset = new OpenLayers.Pixel(-30, -27);
57 var icon = new OpenLayers.Icon("/images/arrow.png", size, offset);
62 function addMarkerToMap(position, icon, description) {
63 var marker = new OpenLayers.Marker(position, icon);
65 markers.addMarker(marker);
68 marker.events.register("click", marker, function() { openMapPopup(marker, description) });
74 function openMapPopup(marker, description) {
77 popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat, null,
78 description, marker.icon, true);
79 popup.setBackgroundColor("#E3FFC5");
80 popup.autoSize = true;
86 function closeMapPopup() {
88 map.removePopup(popup);
93 function removeMarkerFromMap(marker){
94 markers.removeMarker(marker);
97 function getMapLayers() {
100 for (var i=0; i< this.map.layers.length; i++) {
101 var layer = this.map.layers[i];
103 if (layer.isBaseLayer) {
104 layers += (layer == this.map.baseLayer) ? "B" : "0";
106 layers += (layer.getVisibility()) ? "T" : "F";
113 function setMapLayers(layers) {
114 for (var i=0; i < layers.length; i++) {
115 var layer = map.layers[i];
116 var c = layers.charAt(i);
119 map.setBaseLayer(layer);
120 } else if ( (c == "T") || (c == "F") ) {
121 layer.setVisibility(c == "T");
126 function mercatorToLonLat(merc) {
127 var lon = (merc.lon / 20037508.34) * 180;
128 var lat = (merc.lat / 20037508.34) * 180;
130 lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2);
132 return new OpenLayers.LonLat(lon, lat);
135 function lonLatToMercator(ll) {
136 var lon = ll.lon * 20037508.34 / 180;
137 var lat = Math.log(Math.tan((90 + ll.lat) * Math.PI / 360)) / (Math.PI / 180);
139 lat = lat * 20037508.34 / 180;
141 return new OpenLayers.LonLat(lon, lat);
144 function scaleToZoom(scale) {
145 return Math.log(360.0/(scale * 512.0)) / Math.log(2.0);