1 var epsg4326 = new OpenLayers.Projection("EPSG:4326");
7 function createMap(divName, options) {
8 options = options || {};
10 map = new OpenLayers.Map(divName, {
11 controls: options.controls || [
12 new OpenLayers.Control.ArgParser(),
13 new OpenLayers.Control.Attribution(),
14 new OpenLayers.Control.LayerSwitcher(),
15 new OpenLayers.Control.Navigation(),
16 new OpenLayers.Control.PanZoom(),
17 new OpenLayers.Control.PanZoomBar(),
18 new OpenLayers.Control.ScaleLine({geodesic: true})
21 maxResolution: 156543.0339,
23 displayProjection: new OpenLayers.Projection("EPSG:4326"),
24 theme: "<%= asset_path 'theme/default/style.css' %>"
27 var mapnik = new OpenLayers.Layer.OSM.Mapnik(i18n("javascripts.map.base.standard"), {
30 displayOutsideMaxExtent: true,
36 var cyclemap = new OpenLayers.Layer.OSM.CycleMap(i18n("javascripts.map.base.cycle_map"), {
37 attribution: "Tiles courtesy of <a href='http://www.opencyclemap.org/' target='_blank'>Andy Allan</a>",
39 displayOutsideMaxExtent: true,
43 map.addLayer(cyclemap);
45 var transportmap = new OpenLayers.Layer.OSM.TransportMap(i18n("javascripts.map.base.transport_map"), {
46 attribution: "Tiles courtesy of <a href='http://www.opencyclemap.org/' target='_blank'>Andy Allan</a>",
47 keyid: "transportmap",
48 displayOutsideMaxExtent: true,
52 map.addLayer(transportmap);
54 var mapquest = new OpenLayers.Layer.OSM(i18n("javascripts.map.base.mapquest"), [
55 "http://otile1.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png",
56 "http://otile2.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png",
57 "http://otile3.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png",
58 "http://otile4.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png"
60 attribution: "Tiles courtesy of <a href='http://www.mapquest.com/' target='_blank'>MapQuest</a> <img src='http://developer.mapquest.com/content/osm/mq_logo.png'>",
62 displayOutsideMaxExtent: true,
67 map.addLayer(mapquest);
69 markers = new OpenLayers.Layer.Markers("Markers", {
70 displayInLayerSwitcher: false,
72 maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
73 maxResolution: 156543,
75 projection: "EPSG:900913"
77 map.addLayer(markers);
82 function getArrowIcon() {
83 var size = new OpenLayers.Size(25, 22);
84 var offset = new OpenLayers.Pixel(-30, -27);
85 var icon = new OpenLayers.Icon("<%= asset_path 'arrow.png' %>", size, offset);
90 function addMarkerToMap(position, icon, description) {
91 var marker = new OpenLayers.Marker(proj(position), icon);
93 markers.addMarker(marker);
96 marker.events.register("mouseover", marker, function() {
97 openMapPopup(marker, description);
104 function addObjectToMap(url, zoom, callback) {
105 var layer = new OpenLayers.Layer.GML("Objects", url, {
106 format: OpenLayers.Format.OSM,
112 fillColor: "lightblue",
115 projection: new OpenLayers.Projection("EPSG:4326"),
116 displayInLayerSwitcher: false
119 layer.events.register("loadend", layer, function() {
122 if (this.features.length) {
123 extent = this.features[0].geometry.getBounds();
125 for (var i = 1; i < this.features.length; i++) {
126 extent.extend(this.features[i].geometry.getBounds());
131 this.map.zoomToExtent(extent);
133 this.map.zoomToMaxExtent();
148 function addBoxToMap(boxbounds, id, outline) {
150 // Be aware that IE requires Vector layers be initialised on page load, and not under deferred script conditions
151 vectors = new OpenLayers.Layer.Vector("Boxes", {
152 displayInLayerSwitcher: false
154 map.addLayer(vectors);
158 vertices = boxbounds.toGeometry().getVertices();
159 vertices.push(new OpenLayers.Geometry.Point(vertices[0].x, vertices[0].y));
160 geometry = proj(new OpenLayers.Geometry.LineString(vertices));
162 geometry = proj(boxbounds.toGeometry());
164 var box = new OpenLayers.Feature.Vector(geometry, {}, {
166 strokeColor: '#ee9900',
171 vectors.addFeatures(box);
176 function openMapPopup(marker, description) {
179 popup = new OpenLayers.Popup.FramedCloud("popup", marker.lonlat, null,
180 description, marker.icon, true);
181 popup.setBackgroundColor("#E3FFC5");
187 function closeMapPopup() {
189 map.removePopup(popup);
194 function removeMarkerFromMap(marker){
195 markers.removeMarker(marker);
198 function removeBoxFromMap(box){
199 vectors.removeFeature(box);
203 return x.clone().transform(epsg4326, map.getProjectionObject());
207 return x.clone().transform(map.getProjectionObject(), epsg4326);
210 function setMapCenter(center, zoom) {
211 zoom = parseInt(zoom, 10);
212 var numzoom = map.getNumZoomLevels();
213 if (zoom >= numzoom) zoom = numzoom - 1;
214 map.setCenter(proj(center), zoom);
217 function getEventPosition(event) {
218 return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326);
221 function getMapLayers() {
222 var layerConfig = "";
224 for (var i = 0; i < map.layers.length; i++) {
225 if (map.layers[i].layerCode && map.layers[i].getVisibility()) {
226 layerConfig += map.layers[i].layerCode;
233 function setMapLayers(layerConfig) {
234 if (layerConfig.charAt(0) == "B" || layerConfig.charAt(0) == "0") {
237 for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
238 var c = layerConfig.charAt(l++);
241 map.setBaseLayer(layers[i]);
243 map.layers[i].setVisibility(false);
247 for (var i = 0; i < map.layers.length; i++) {
248 if (map.layers[i].layerCode) {
249 if (layerConfig.indexOf(map.layers[i].layerCode) >= 0) {
250 if (map.layers[i].isBaseLayer) {
251 map.setBaseLayer(map.layers[i]);
253 map.layers[i].setVisibility(true);
255 } else if (!map.layers[i].isBaseLayer) {
256 map.layers[i].setVisibility(false);