var epsg4326 = new OpenLayers.Projection("EPSG:4326");
var map;
var markers;
+var vectors;
var popup;
var nonamekeys = {
};
OpenLayers._getScriptLocation = function () {
+ // Should really have this file as an erb, so that this can return
+ // the real rails root
return "/openlayers/";
}
],
units: "m",
maxResolution: 156543.0339,
- numZoomLevels: 20
+ numZoomLevels: 20,
+ displayProjection: new OpenLayers.Projection("EPSG:4326")
});
var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", {
var nonamekey = nonamekeys[document.domain];
var noname = new OpenLayers.Layer.OSM("NoName", [
- "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/",
- "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/",
- "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/"
+ "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png",
+ "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png",
+ "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png"
], {
displayOutsideMaxExtent: true,
wrapDateLine: true,
map.addLayer(maplint);
var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels);
+
markers = new OpenLayers.Layer.Markers("Markers", {
displayInLayerSwitcher: false,
numZoomLevels: numZoomLevels,
return marker;
}
+function addObjectToMap(url, zoom, callback) {
+ var layer = new OpenLayers.Layer.GML("Objects", url, {
+ format: OpenLayers.Format.OSM,
+ style: {
+ strokeColor: "blue",
+ strokeWidth: 3,
+ strokeOpacity: 0.5,
+ fillOpacity: 0.2,
+ fillColor: "lightblue",
+ pointRadius: 6
+ },
+ projection: new OpenLayers.Projection("EPSG:4326"),
+ displayInLayerSwitcher: false
+ });
+
+ layer.events.register("loadend", layer, function() {
+ var extent;
+
+ if (this.features.length) {
+ extent = this.features[0].geometry.getBounds();
+
+ for (var i = 1; i < this.features.length; i++) {
+ extent.extend(this.features[i].geometry.getBounds());
+ }
+
+ if (zoom) {
+ if (extent) {
+ this.map.zoomToExtent(extent);
+ } else {
+ this.map.zoomToMaxExtent();
+ }
+ }
+ }
+
+ if (callback) {
+ callback(extent);
+ }
+ });
+
+ map.addLayer(layer);
+
+ layer.loadGML();
+}
+
+function addBoxToMap(boxbounds) {
+ if(!vectors) {
+ // Be aware that IE requires Vector layers be initialised on page load, and not under deferred script conditions
+ vectors = new OpenLayers.Layer.Vector("Box Layer", {
+ displayInLayerSwitcher: false
+ });
+ map.addLayer(vectors);
+ }
+ var geometry = boxbounds.toGeometry().transform(epsg4326, map.getProjectionObject());
+ var box = new OpenLayers.Feature.Vector(geometry, {}, {
+ strokeWidth: 2,
+ strokeColor: '#ee9900',
+ fillOpacity: 0
+ });
+
+ vectors.addFeatures(box);
+
+ return box;
+}
+
function openMapPopup(marker, description) {
closeMapPopup();
markers.removeMarker(marker);
}
+function removeBoxFromMap(box){
+ vectors.removeFeature(box);
+}
+
function getMapCenter(center, zoom) {
return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326);
}
function setMapCenter(center, zoom) {
+ zoom = parseInt(zoom);
+ var numzoom = map.getNumZoomLevels();
+ if (zoom >= numzoom) zoom = numzoom - 1;
map.setCenter(center.clone().transform(epsg4326, map.getProjectionObject()), zoom);
}
map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject()));
}
-function getMapExtent(extent) {
+function getMapExtent() {
return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326);
}