114 lines
3.4 KiB
Text
114 lines
3.4 KiB
Text
|
|
|
|
<div id="geocoder">
|
|
<%= start_form_tag :controller => 'geocoder', :action => 'search' %>
|
|
<%= text_field 'query', 'postcode'%>
|
|
<%= text_field 'query', 'place_name'%>
|
|
<%= submit_tag 'Search' %>
|
|
<%= end_form_tag %>
|
|
|
|
<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">
|
|
eg: SW15 6JH, 95472 or H2L4C1
|
|
</div>
|
|
<div id="placename-helper">
|
|
eg:Essen
|
|
</div>
|
|
</div>
|
|
|
|
<% 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">
|
|
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 %>
|
|
|
|
|
|
|
|
<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="/javascripts/OpenLayers.js"></script>
|
|
|
|
<script type="text/javascript">
|
|
<!--
|
|
var map, layer, markers;
|
|
|
|
|
|
function init(){
|
|
|
|
OpenLayers.Util.onImageLoadError = function() {
|
|
this.src = "http://www.openstreetmap.org/javascript/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
|
|
|
|
<% if marker %>
|
|
markers = new OpenLayers.Layer.Markers("markers");
|
|
map.addLayer(markers);
|
|
|
|
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);
|
|
});
|
|
}
|
|
|
|
init();
|
|
// -->
|
|
</script>
|