- function mercator2lonlat( merc ) {
- var lon_deg = (merc.lon / 20037508.34) * 180;
- var lat_deg = (merc.lat / 20037508.34) * 180;
- var PI = 3.14159265358979323846;
- lat_deg = 180/PI * (2 * Math.atan(Math.exp(lat_deg * PI / 180)) - PI / 2);
- return new OpenLayers.LonLat(lon_deg,lat_deg);
- }
-
- function lonlat2mercator( ll ) {
- var lon = ll.lon * 20037508.34 / 180;
- var lat = Math.log(Math.tan( (90 + ll.lat) * PI / 360)) / (PI / 180);
- lat = lat * 20037508.34 / 180;
- return new OpenLayers.LonLat(lon,lat);
- }
-
- function init(){
-
- OpenLayers.Util.onImageLoadError = function() {
- this.src = "http://www.openstreetmap.org/javascripts/img/404.png";
- }
- map = new OpenLayers.Map( "map",
- {maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34), maxZoomLevel:18, maxResolution:156543, units:'meters', projection: "EPSG:41001"} );
- layer = new OpenLayers.Layer.LikeGoogle( "Mapnik", "http://tile.openstreetmap.org/", {type:'png'} );
- map.addLayer(layer);
- layer = new OpenLayers.Layer.LikeGoogle( "Osmarender", "http://dev.openstreetmap.org/~ojw/Tiles/tile.php/", {type:'png'} );
- map.addLayer(layer);
-
- //Marker stuff
-
- markers = new OpenLayers.Layer.Markers("markers");
- map.addLayer(markers);
-
- <% if marker %>
- marker = new OpenLayers.Marker(new OpenLayers.LonLat(mlon,mlat));
- markers.addMarker(marker);
- <%end%>
-
- var near_icon = OpenLayers.Marker.defaultIcon();
- near_icon.url = OpenLayers.Util.getImagesLocation() + "marker-green.png";;
- var i = nearest.length;
- while( i-- ) {
- markers.addMarker( new OpenLayers.Marker( lonlat2mercator( new OpenLayers.LonLat( nearest[i].home_lon, nearest[i].home_lat ) ), near_icon ) );
- }
-
- map.addControl(new OpenLayers.Control.LayerSwitcher());
- map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
-
- map.events.register("click", map, setHome);
- }
-
- function setHome( e ) {
- var lonlat = map.getLonLatFromViewPortPx(e.xy)
-
- var lon_deg = (lonlat.lon / 20037508.34) * 180;
- var lat_deg = (lonlat.lat / 20037508.34) * 180;
- var PI = 3.14159265358979323846;
- lat_deg = 180/PI * (2 * Math.atan(Math.exp(lat_deg * PI / 180)) - PI / 2);
- var homerow = document.getElementById( 'homerow' );
- var home_lat = document.getElementById( 'home_lat' );
- var home_lon = document.getElementById( 'home_lon' );
- homerow.className = '';
- home_lat.value = lat_deg;
- home_lon.value = lon_deg;
- if( marker ) {
- markers.removeMarker(marker);
- }
- marker = new OpenLayers.Marker(lonlat);
- markers.addMarker(marker);
- }
-window.onload = init;
-// -->
-</script>