+var epsg4326 = new OpenLayers.Projection("EPSG:4326");
var map;
var markers;
var popup;
OpenLayers._getScriptLocation = function () {
return "/openlayers/";
}
-
-function createMap(divName) {
- map = new OpenLayers.Map(divName);
- var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { displayOutsideMaxExtent: true });
+function createMap(divName, options) {
+ options = options || {};
+
+ map = new OpenLayers.Map(divName, {
+ controls: options.controls || [
+ new OpenLayers.Control.ArgParser(),
+ new OpenLayers.Control.Attribution(),
+ new OpenLayers.Control.LayerSwitcher(),
+ new OpenLayers.Control.Navigation(),
+ new OpenLayers.Control.PanZoomBar(),
+ new OpenLayers.Control.ScaleLine()
+ ],
+ units: "m",
+ maxResolution: 156543.0339,
+ numZoomLevels: 20
+ });
+
+ var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", {
+ displayOutsideMaxExtent: true,
+ wrapDateLine: true
+ });
map.addLayer(mapnik);
- var osmarender = new OpenLayers.Layer.OSM.Osmarender("Osmarender", { displayOutsideMaxExtent: true });
+ var osmarender = new OpenLayers.Layer.OSM.Osmarender("Osmarender", {
+ displayOutsideMaxExtent: true,
+ wrapDateLine: true
+ });
map.addLayer(osmarender);
+ var cyclemap = new OpenLayers.Layer.OSM.CycleMap("Cycle Map", {
+ displayOutsideMaxExtent: true,
+ wrapDateLine: true
+ });
+ map.addLayer(cyclemap);
+
+ var maplint = new OpenLayers.Layer.OSM.Maplint("Maplint", {
+ displayOutsideMaxExtent: true,
+ wrapDateLine: true
+ });
+ map.addLayer(maplint);
+
var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels);
- markers = new OpenLayers.Layer.Markers("Markers", { visibility: false, numZoomLevels: numZoomLevels });
+ markers = new OpenLayers.Layer.Markers("Markers", {
+ displayInLayerSwitcher: false,
+ numZoomLevels: numZoomLevels,
+ maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
+ maxResolution: 156543,
+ units: "m",
+ projection: "EPSG:900913"
+ });
map.addLayer(markers);
- map.addControl(new OpenLayers.Control.LayerSwitcher());
- map.addControl(new OpenLayers.Control.KeyboardDefaults());
-
return map;
}
}
function addMarkerToMap(position, icon, description) {
- var marker = new OpenLayers.Marker(position, icon);
+ var marker = new OpenLayers.Marker(position.clone().transform(epsg4326, map.getProjectionObject()), icon);
markers.addMarker(marker);
- markers.setVisibility(true);
if (description) {
marker.events.register("click", marker, function() { openMapPopup(marker, description) });
function openMapPopup(marker, description) {
closeMapPopup();
- popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat,
- sizeMapPopup(description),
- "<p style='padding-right: 28px'>" + description + "</p>",
- marker.icon, true);
+ popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat, null,
+ description, marker.icon, true);
popup.setBackgroundColor("#E3FFC5");
+ popup.autoSize = true;
map.addPopup(popup);
return popup;
}
}
-function sizeMapPopup(text) {
- var box = document.createElement("div");
-
- box.innerHTML = text;
- box.style.visibility = "hidden";
- box.style.position = "absolute";
- box.style.top = "0px";
- box.style.left = "0px";
- box.style.width = "200px";
- box.style.height = "auto";
+function removeMarkerFromMap(marker){
+ markers.removeMarker(marker);
+}
- document.body.appendChild(box);
+function getMapCenter(center, zoom) {
+ return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326);
+}
- var width = box.offsetWidth;
- var height = box.offsetHeight;
+function setMapCenter(center, zoom) {
+ map.setCenter(center.clone().transform(epsg4326, map.getProjectionObject()), zoom);
+}
- document.body.removeChild(box);
+function setMapExtent(extent) {
+ map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject()));
+}
- return new OpenLayers.Size(width + 30, height + 24);
+function getMapExtent(extent) {
+ return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326);
}
-function removeMarkerFromMap(marker){
- markers.removeMarker(marker);
+function getEventPosition(event) {
+ return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326);
}
function getMapLayers() {
- var layers = "";
+ var layerConfig = "";
- for (var i=0; i< this.map.layers.length; i++) {
- var layer = this.map.layers[i];
+ for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
+ layerConfig += layers[i] == map.baseLayer ? "B" : "0";
+ }
- if (layer.isBaseLayer) {
- layers += (layer == this.map.baseLayer) ? "B" : "0";
- } else {
- layers += (layer.getVisibility()) ? "T" : "F";
- }
+ for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) {
+ layerConfig += layers[i].getVisibility() ? "T" : "F";
}
- return layers;
+ return layerConfig;
}
-function setMapLayers(layers) {
- for (var i=0; i < layers.length; i++) {
- var layer = map.layers[i];
- var c = layers.charAt(i);
+function setMapLayers(layerConfig) {
+ var l = 0;
+
+ for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
+ var c = layerConfig.charAt(l++);
if (c == "B") {
- map.setBaseLayer(layer);
- } else if ( (c == "T") || (c == "F") ) {
- layer.setVisibility(c == "T");
+ map.setBaseLayer(layers[i]);
}
}
-}
-
-function mercatorToLonLat(merc) {
- var lon = (merc.lon / 20037508.34) * 180;
- var lat = (merc.lat / 20037508.34) * 180;
- lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2);
-
- return new OpenLayers.LonLat(lon, lat);
-}
-
-function lonLatToMercator(ll) {
- var lon = ll.lon * 20037508.34 / 180;
- var lat = Math.log(Math.tan((90 + ll.lat) * Math.PI / 360)) / (Math.PI / 180);
+ while (layerConfig.charAt(l) == "B" || layerConfig.charAt(l) == "0") {
+ l++;
+ }
- lat = lat * 20037508.34 / 180;
+ for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) {
+ var c = layerConfig.charAt(l++);
- return new OpenLayers.LonLat(lon, lat);
+ layers[i].setVisibility(c == "T");
+ }
}
function scaleToZoom(scale) {
projects / rails.git / blobdiff