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,
78 sizeMapPopup(description),
79 "<p style='padding-right: 28px'>" + description + "</p>",
81 popup.setBackgroundColor("#E3FFC5");
87 function closeMapPopup() {
89 map.removePopup(popup);
94 function sizeMapPopup(text) {
95 var box = document.createElement("div");
98 box.style.visibility = "hidden";
99 box.style.position = "absolute";
100 box.style.top = "0px";
101 box.style.left = "0px";
102 box.style.width = "200px";
103 box.style.height = "auto";
105 document.body.appendChild(box);
107 var width = box.offsetWidth;
108 var height = box.offsetHeight;
110 document.body.removeChild(box);
112 return new OpenLayers.Size(width + 30, height + 24);
115 function removeMarkerFromMap(marker){
116 markers.removeMarker(marker);
119 function getMapLayers() {
122 for (var i=0; i< this.map.layers.length; i++) {
123 var layer = this.map.layers[i];
125 if (layer.isBaseLayer) {
126 layers += (layer == this.map.baseLayer) ? "B" : "0";
128 layers += (layer.getVisibility()) ? "T" : "F";
135 function setMapLayers(layers) {
136 for (var i=0; i < layers.length; i++) {
137 var layer = map.layers[i];
138 var c = layers.charAt(i);
141 map.setBaseLayer(layer);
142 } else if ( (c == "T") || (c == "F") ) {
143 layer.setVisibility(c == "T");
148 function mercatorToLonLat(merc) {
149 var lon = (merc.lon / 20037508.34) * 180;
150 var lat = (merc.lat / 20037508.34) * 180;
152 lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2);
154 return new OpenLayers.LonLat(lon, lat);
157 function lonLatToMercator(ll) {
158 var lon = ll.lon * 20037508.34 / 180;
159 var lat = Math.log(Math.tan((90 + ll.lat) * Math.PI / 360)) / (Math.PI / 180);
161 lat = lat * 20037508.34 / 180;
163 return new OpenLayers.LonLat(lon, lat);
166 function scaleToZoom(scale) {
167 return Math.log(360.0/(scale * 512.0)) / Math.log(2.0);