+
+
<div id="geocoder">
- <form action="/search.html">
- <input type="text" name="query" value="" size="60">
- <input type="submit" value="Search">
- </form>
-</div>
+ <%= start_form_tag :controller => 'geocoder', :action => 'search' %>
+ <%= text_field 'query', 'postcode' %>
+ <%= text_field 'query', 'place_name'%>
+ <%= submit_tag 'Search' %>
+ <%= end_form_tag %>
-<div id="map" style="WIDTH: 700px; HEIGHT: 500px;"></div>
+ <div id="geocoder-attribution">
+ Geolocation provided by <a href="http://npemap.org.uk/">npemap.org.uk</a>,
+ <a href="http://geocoder.us/">geocoder.us</a>, <a href="http://geocoder.ca/">geocoder.ca</a> and <a href="http://www.geonames.org/">geonames.org</a>
+ </div>
+ <div id="postcode-helper">
+ Enter a postcode or zip code, eg: SW15 6JH, 95472
+ </div>
+ <div id="placename-helper">
+ Enter a place-name, eg:Essen
+ </div>
+</div>
-<script src="lib/OpenLayers.js"></script>
+<% if params['mlon'] and params['mlat'] %>
+<% marker = true %>
+<% mlon = params['mlon'] %>
+<% mlat = params['mlat'] %>
+<% lon = params['mlon'] %>
+<% lat = params['mlat'] %>
+<% zoom = params['zoom'] || '12' %>
<script type="text/javascript">
- <!--
- function init(){
- var map = new OpenLayers.Map('map');
+ var mlat = <%= lat %>;
+ var mlon = <%= lon %>;
+</script>
+<% elsif @user and params['lon'].nil? and params['lat'].nil? %>
+<% lon = @user.home_lon %>
+<% lat = @user.home_lat %>
+<% zoom = '10' %>
+<%else%>
+<% lon = params['lon'] || '-0.1' %>
+<% lat = params['lat'] || '51.5' %>
+<% zoom = params['zoom'] || '4' %>
+<% end %>
- var osm_wms = new OpenLayers.Layer.WMS( "OpenStreetMap Streets",
- "http://tile.openstreetmap.org/cgi-bin/mapserv?map=/usr/lib/cgi-bin/steve/osm.map",
- {layers: "default_segment,segments,class_segment",
-transparent: "true", format: "image/png" });
- // FIXME this should be landsat.openstreetmap.org
- var jpl_wms = new OpenLayers.Layer.WMS( "NASA Global Mosaic",
- "http://wms.jpl.nasa.gov/wms.cgi",
- {layers: "modis,global_mosaic"});
+<script type="text/javascript">
+ var lat = <%= lat %>;
+ var lon = <%= lon %>;
+ var zoom = <%= zoom %>;
+ var PI = 3.14159265358979323846;
- map.addLayers([jpl_wms, osm_wms]);
- map.zoomToFullExtent();
- }
-init();
-// -->
+ <% 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="/javascripts/OpenLayers.js"></script>
+
+<script type="text/javascript">
+ <!--
+ var map, layer, markers;
+ var ie6 = ! ( window.addEventListener || window.XMLHttpRequest );
+ function init(){
-<!--
-<div id="drag" style="WIDTH: 700px; HEIGHT: 500px;">
- <div id='controls'>
- <a id="zoomout" class="mapcontrol"><img src="/images/map_zoomout.png" alt="zoom out"></a>
- <a id="zoomin" class="mapcontrol"> <img src="/images/map_zoomin.png" alt="zoom in"> </a>
- </div>
-</div>
+ 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);
-<div id="debuginfo"></div>
--->
-<% unless @user %>
-<div id="gads">
- <script type="text/javascript"><!--
- google_ad_client = "pub-7727744269903103";
- google_ad_width = 728;
- google_ad_height = 90;
- google_ad_format = "728x90_as";
- google_ad_type = "text";
- google_ad_channel ="";
- google_color_border = "CCCCCC";
- google_color_bg = "FFFFFF";
- google_color_link = "000000";
- google_color_url = "000080";
- google_color_text = "000000";
- //--></script><script type="text/javascript"
- src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
- </script>We're trialing adverts to support the project. Login and they go away.
- </div>
- <% end %>
+ //Marker stuff
- <!--
- <script type="text/javascript">
- lat = 0;
- lon = 0;
- zoom = 0;
+ <% if marker %>
+ markers = new OpenLayers.Layer.Markers("markers");
+ map.addLayer(markers);
- init();
- </script>
+ marker = new OpenLayers.Marker(new OpenLayers.LonLat(mlon,mlat));
+ markers.addMarker(marker);
+ <%end%>
- -->
+ map.addControl(new OpenLayers.Control.LayerSwitcher());
+ map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
+
+ map.events.register("moveend", map, function() {
+ var lonlat = map.getCenter();
+
+ 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 zoom = map.getZoom();
+ updatelinks(lon_deg,lat_deg,zoom);
+ });
+ document.getElementById( 'map_OpenLayers_ViewPort' ).style.position = 'absolute';
+ if( ie6 ) {
+ handleResize();
+ }
+ }
+
+ function getStyle( el, property ) {
+ var style;
+ if( el.currentStyle ) {
+ style = el.currentStyle[property];
+ } else if( window.getComputedStyle ) {
+ style = document.defaultView.getComputedStyle(el,null).getPropertyValue(property);
+ } else {
+ style = el.style[property];
+ }
+ return style;
+ }
+
+ function handleResize() {
+ var el = document.getElementById( 'map' );
+ var left = getStyle( el, 'left' );
+ var top = getStyle( el, 'top' );
+ var bottom = getStyle( el, 'bottom' );
+ var right = getStyle( el, 'right' );
+ var width = el.old_width;
+ if( ! width ) {
+ width = getStyle( el, 'width' );
+ }
+ var height = el.old_height;
+ if( ! height ) {
+ height = getStyle( el, 'height' );
+ }
+ var pwidth, pheight;
+ if( el.offsetParent.nodeName == 'BODY' || el.offsetParent.nodeName == 'HTML' ) {
+ if( typeof( window.innerWidth ) == 'number' ) {
+ pwidth = window.innerWidth;
+ height = window.innerHeight;
+ } else if( document.documentElement &&
+ ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
+ pwidth = document.documentElement.clientWidth;
+ pheight = document.documentElement.clientHeight;
+ } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
+ pwidth = document.body.clientWidth;
+ pheight = document.body.clientHeight;
+ }
+ } else {
+ pwidth = el.offsetParent.offsetWidth;
+ pheight = el.offsetParent.offsetHeight;
+ }
+ if( left != 'auto' && right != 'auto' && width == 'auto' ) {
+ el.old_width = width;
+ var new_width = (pwidth - el.offsetLeft - parseInt( right ) );
+ el.style.width = new_width + 'px';
+ }
+ if( top != 'auto' && bottom != 'auto' && height == 'auto' ) {
+ el.old_height = height;
+ var new_height = (pheight - el.offsetTop - parseInt( bottom ) );
+ el.style.height = new_height + 'px';
+ }
+ map.updateSize();
+ el.style.display = 'none';
+ setTimeout( function() {
+ el.style.display = '';
+ }, 200 );
+ }
+
+if( ie6 ) {
+ window.onresize = handleResize;
+}
+window.onload = init;
+// -->
+</script>
projects / rails.git / blobdiff