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,
42 var osmarender = new OpenLayers.Layer.OSM.Osmarender(i18n("javascripts.map.base.osmarender"), {
44 displayOutsideMaxExtent: true,
48 map.addLayer(osmarender);
50 var cyclemap = new OpenLayers.Layer.OSM.CycleMap(i18n("javascripts.map.base.cycle_map"), {
52 displayOutsideMaxExtent: true,
56 map.addLayer(cyclemap);
58 var nonamekey = nonamekeys[document.domain];
59 var noname = new OpenLayers.Layer.OSM(i18n("javascripts.map.base.noname"), [
60 "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png",
61 "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png",
62 "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png"
64 displayOutsideMaxExtent: true,
71 var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels);
73 markers = new OpenLayers.Layer.Markers("Markers", {
74 displayInLayerSwitcher: false,
75 numZoomLevels: numZoomLevels,
76 maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
77 maxResolution: 156543,
79 projection: "EPSG:900913"
81 map.addLayer(markers);
86 function getArrowIcon() {
87 var size = new OpenLayers.Size(25, 22);
88 var offset = new OpenLayers.Pixel(-30, -27);
89 var icon = new OpenLayers.Icon("/images/arrow.png", size, offset);
94 function addMarkerToMap(position, icon, description) {
95 var marker = new OpenLayers.Marker(position.clone().transform(epsg4326, map.getProjectionObject()), icon);
97 markers.addMarker(marker);
100 marker.events.register("mouseover", marker, function() { openMapPopup(marker, description) });
101 marker.events.register("mouseout", marker, function() { closeMapPopup() });
107 function addObjectToMap(url, zoom, callback) {
108 var layer = new OpenLayers.Layer.GML("Objects", url, {
109 format: OpenLayers.Format.OSM,
115 fillColor: "lightblue",
118 projection: new OpenLayers.Projection("EPSG:4326"),
119 displayInLayerSwitcher: false
122 layer.events.register("loadend", layer, function() {
125 if (this.features.length) {
126 extent = this.features[0].geometry.getBounds();
128 for (var i = 1; i < this.features.length; i++) {
129 extent.extend(this.features[i].geometry.getBounds());
134 this.map.zoomToExtent(extent);
136 this.map.zoomToMaxExtent();
151 function addBoxToMap(boxbounds) {
153 // Be aware that IE requires Vector layers be initialised on page load, and not under deferred script conditions
154 vectors = new OpenLayers.Layer.Vector("Boxes", {
155 displayInLayerSwitcher: false
157 map.addLayer(vectors);
159 var geometry = boxbounds.toGeometry().transform(epsg4326, map.getProjectionObject());
160 var box = new OpenLayers.Feature.Vector(geometry, {}, {
162 strokeColor: '#ee9900',
166 vectors.addFeatures(box);
171 function openMapPopup(marker, description) {
174 popup = new OpenLayers.Popup.FramedCloud("popup", marker.lonlat, null,
175 description, marker.icon, true);
176 popup.setBackgroundColor("#E3FFC5");
182 function closeMapPopup() {
184 map.removePopup(popup);
189 function removeMarkerFromMap(marker){
190 markers.removeMarker(marker);
193 function removeBoxFromMap(box){
194 vectors.removeFeature(box);
197 function getMapCenter() {
198 return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326);
201 function setMapCenter(center, zoom) {
202 zoom = parseInt(zoom);
203 var numzoom = map.getNumZoomLevels();
204 if (zoom >= numzoom) zoom = numzoom - 1;
205 map.setCenter(center.clone().transform(epsg4326, map.getProjectionObject()), zoom);
208 function setMapExtent(extent) {
209 map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject()));
212 function getMapExtent() {
213 return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326);
216 function getMapZoom() {
217 return map.getZoom();
220 function getEventPosition(event) {
221 return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326);
224 function getMapLayers() {
225 var layerConfig = "";
227 for (var i = 0; i < map.layers.length; i++) {
228 if (map.layers[i].layerCode && map.layers[i].getVisibility()) {
229 layerConfig += map.layers[i].layerCode;
236 function setMapLayers(layerConfig) {
237 if (layerConfig.charAt(0) == "B" || layerConfig.charAt(0) == "0") {
240 for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
241 var c = layerConfig.charAt(l++);
244 map.setBaseLayer(layers[i]);
248 for (var i = 0; i < map.layers.length; i++) {
249 if (map.layers[i].layerCode) {
250 if (layerConfig.indexOf(map.layers[i].layerCode) >= 0) {
251 if (map.layers[i].isBaseLayer) {
252 map.setBaseLayer(map.layers[i]);
254 map.layers[i].setVisibility(true);
257 map.layers[i].setVisibility(false);
264 function scaleToZoom(scale) {
265 return Math.log(360.0/(scale * 512.0)) / Math.log(2.0);