1 var epsg4326 = new OpenLayers.Projection("EPSG:4326");
8 'openstreetmap.org': '2f59745a6b525b4ebdb100891d5b6711',
9 'www.openstreetmap.org': 'fd093e52f0965d46bb1c6c6281022199',
10 'openstreetmap.com': '4c60e7f5f31c576a9bb8da71c8d61152',
11 'www.openstreetmap.com': '142f25a0770a51a9a400b3513834a199',
12 'openstreetmap.net': '687c58fd1d715596bfc94abe653d8ac0',
13 'www.openstreetmap.net': '0bd1654141c85d30b9c2ccdb5302f2e4'
16 function createMap(divName, options) {
17 options = options || {};
19 map = new OpenLayers.Map(divName, {
20 controls: options.controls || [
21 new OpenLayers.Control.ArgParser(),
22 new OpenLayers.Control.Attribution(),
23 new OpenLayers.Control.LayerSwitcher(),
24 new OpenLayers.Control.Navigation(),
25 new OpenLayers.Control.PanZoom(),
26 new OpenLayers.Control.PanZoomBar()
29 maxResolution: 156543.0339,
31 displayProjection: new OpenLayers.Projection("EPSG:4326")
34 var mapnik = new OpenLayers.Layer.OSM.Mapnik(i18n("javascripts.map.base.mapnik"), {
36 displayOutsideMaxExtent: true,
41 var osmarender = new OpenLayers.Layer.OSM.Osmarender(i18n("javascripts.map.base.osmarender"), {
43 displayOutsideMaxExtent: true,
46 map.addLayer(osmarender);
48 var cyclemap = new OpenLayers.Layer.OSM.CycleMap(i18n("javascripts.map.base.cycle_map"), {
50 displayOutsideMaxExtent: true,
53 map.addLayer(cyclemap);
55 var nonamekey = nonamekeys[document.domain];
56 var noname = new OpenLayers.Layer.OSM(i18n("javascripts.map.base.noname"), [
57 "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png",
58 "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png",
59 "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png"
61 displayOutsideMaxExtent: true,
67 var maplint = new OpenLayers.Layer.OSM.Maplint(i18n("javascripts.map.overlays.maplint"), {
68 displayOutsideMaxExtent: true,
71 map.addLayer(maplint);
73 var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels);
75 markers = new OpenLayers.Layer.Markers("Markers", {
76 displayInLayerSwitcher: false,
77 numZoomLevels: numZoomLevels,
78 maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
79 maxResolution: 156543,
81 projection: "EPSG:900913"
83 map.addLayer(markers);
88 function getArrowIcon() {
89 var size = new OpenLayers.Size(25, 22);
90 var offset = new OpenLayers.Pixel(-30, -27);
91 var icon = new OpenLayers.Icon("/images/arrow.png", size, offset);
96 function addMarkerToMap(position, icon, description) {
97 var marker = new OpenLayers.Marker(position.clone().transform(epsg4326, map.getProjectionObject()), icon);
99 markers.addMarker(marker);
102 marker.events.register("mouseover", marker, function() { openMapPopup(marker, description) });
103 marker.events.register("mouseout", marker, function() { closeMapPopup() });
109 function addObjectToMap(url, zoom, callback) {
110 var layer = new OpenLayers.Layer.GML("Objects", url, {
111 format: OpenLayers.Format.OSM,
117 fillColor: "lightblue",
120 projection: new OpenLayers.Projection("EPSG:4326"),
121 displayInLayerSwitcher: false
124 layer.events.register("loadend", layer, function() {
127 if (this.features.length) {
128 extent = this.features[0].geometry.getBounds();
130 for (var i = 1; i < this.features.length; i++) {
131 extent.extend(this.features[i].geometry.getBounds());
136 this.map.zoomToExtent(extent);
138 this.map.zoomToMaxExtent();
153 function addBoxToMap(boxbounds) {
155 // Be aware that IE requires Vector layers be initialised on page load, and not under deferred script conditions
156 vectors = new OpenLayers.Layer.Vector("Boxes", {
157 displayInLayerSwitcher: false
159 map.addLayer(vectors);
161 var geometry = boxbounds.toGeometry().transform(epsg4326, map.getProjectionObject());
162 var box = new OpenLayers.Feature.Vector(geometry, {}, {
164 strokeColor: '#ee9900',
168 vectors.addFeatures(box);
173 function openMapPopup(marker, description) {
176 popup = new OpenLayers.Popup.FramedCloud("popup", marker.lonlat, null,
177 description, marker.icon, true);
178 popup.setBackgroundColor("#E3FFC5");
184 function closeMapPopup() {
186 map.removePopup(popup);
191 function removeMarkerFromMap(marker){
192 markers.removeMarker(marker);
195 function removeBoxFromMap(box){
196 vectors.removeFeature(box);
199 function getMapCenter() {
200 return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326);
203 function setMapCenter(center, zoom) {
204 zoom = parseInt(zoom);
205 var numzoom = map.getNumZoomLevels();
206 if (zoom >= numzoom) zoom = numzoom - 1;
207 map.setCenter(center.clone().transform(epsg4326, map.getProjectionObject()), zoom);
210 function setMapExtent(extent) {
211 map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject()));
214 function getMapExtent() {
215 return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326);
218 function getMapZoom() {
219 return map.getZoom();
222 function getEventPosition(event) {
223 return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326);
226 function getMapLayers() {
227 var layerConfig = "";
229 for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
230 layerConfig += layers[i] == map.baseLayer ? "B" : "0";
233 for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) {
234 layerConfig += layers[i].getVisibility() ? "T" : "F";
240 function setMapLayers(layerConfig) {
243 for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
244 var c = layerConfig.charAt(l++);
247 map.setBaseLayer(layers[i]);
251 while (layerConfig.charAt(l) == "B" || layerConfig.charAt(l) == "0") {
255 for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) {
256 var c = layerConfig.charAt(l++);
259 layers[i].setVisibility(true);
260 } else if(c == "F") {
261 layers[i].setVisibility(false);
266 function scaleToZoom(scale) {
267 return Math.log(360.0/(scale * 512.0)) / Math.log(2.0);