+
+<script type="text/javascript">
+ var lat = <%= lat %>;
+ var lon = <%= lon %>;
+ var zoom = <%= zoom %>;
+ var PI = 3.14159265358979323846;
+
+
+
+ <% if params['scale'] and params['scale'].length > 0 then %>
+ zoom = Math.log(360.0/(( <% print params['scale'].to_f() %> ) * 512.0)) / Math.log(2.0);
+ <% end %>
+ zoom = zoom;
+ lon = lon * 20037508.34 / 180;
+ lat = Math.log(Math.tan( (90 + lat) * PI / 360)) / (PI / 180);
+ lat = lat * 20037508.34 / 180;
+ <% if marker %>
+ mlon = mlon * 20037508.34 / 180;
+ mlat = Math.log(Math.tan( (90 + mlat) * PI / 360)) / (PI / 180);
+ mlat = mlat * 20037508.34 / 180;
+ <%end%>
+
+</script>
+<script type="text/javascript" src="/openlayers/OpenLayers.js"></script>
+
+<script type="text/javascript">
+ <!--
+ var map, layer, markers, marker, popup;
+
+ 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 = OpenLayers.Util.getImagesLocation() + "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.TMS( "Mapnik", "http://tile.openstreetmap.org/", {type:'png', getURL:getTileURL} );
+ map.addLayer(layer);
+ layer = new OpenLayers.Layer.TMS( "Osmarender", "http://dev.openstreetmap.org/~ojw/Tiles/tile.php/", {type:'png', getURL:getTileURL} );
+ 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));
+ marker.events.register("click", "marker", markerOnClick );
+ 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-- ) {
+ var nearmarker = new OpenLayers.Marker( lonlat2mercator( new OpenLayers.LonLat( nearest[i].home_lon, nearest[i].home_lat ) ), near_icon.clone() );
+ markers.addMarker( nearmarker );
+ nearmarker.events.register("click", "nearmarker", makeMarkerFunction( i ) );
+ }
+
+ map.addControl(new OpenLayers.Control.LayerSwitcher());
+ map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
+
+ map.events.register("click", map, setHome);
+ }
+
+ function getTileURL( bounds ) {
+ var res = this.map.getResolution();
+ var x = Math.round ((bounds.left - this.maxExtent.left) / (res * this.tileSize.w));
+ var y = Math.round ((this.maxExtent.top - bounds.top) / (res * this.tileSize.h));
+ var z = this.map.getZoom();
+ return this.url + z + "/" + x + "/" + y + "." + this.type;
+ }
+
+ function makeMarkerFunction( i ) {
+ return function() { markerOnClick( i ); };
+ }
+
+ function markerOnClick( i ) {
+ var html, position;
+ if( typeof( i ) == 'number' ) {
+ html = '<p>Nearby mapper: <a href="/user/'+nearest[i].display_name+'">'+nearest[i].display_name+'</a></p>';
+ html += '<p style="text-align:right">(<a href="#" onclick="return closePopup();">close</a>)</p>';
+ position = lonlat2mercator( new OpenLayers.LonLat( nearest[i].home_lon, nearest[i].home_lat ) );
+ } else {
+ html = '<p>Your location (<a href="#" onclick="return closePopup()">close</a>)</p>';
+ position = new OpenLayers.LonLat(mlon,mlat);
+ }
+ var box = document.getElementById( 'highlightinfo' );
+ box.innerHTML = html;
+ closePopup();
+ popup = new OpenLayers.Popup.AnchoredBubble( 'popup', position, new OpenLayers.Size( box.offsetWidth, box.offsetHeight ), html, OpenLayers.Marker.defaultIcon(), true );
+ map.addPopup( popup );
+ }
+
+ function closePopup() {
+ if( popup ) {
+ map.removePopup( popup );
+ delete popup;
+ }
+ return false;
+ }
+
+ function setHome( e ) {
+ closePopup();
+ if( ! document.getElementById( 'updatehome' ).checked )
+ return;
+ 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>
projects / rails.git / blobdiff