File: openlayers.html

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tilelite 0.1.5-2
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  • in suites: jessie, jessie-kfreebsd, wheezy
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  • ctags: 95
  • sloc: python: 528; xml: 79; makefile: 10
file content (103 lines) | stat: -rw-r--r-- 4,180 bytes parent folder | download
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<html>
<head>
  <title>TileLite Mapnik Server</title>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <style type="text/css">
    html, body { height: 100%; }
    body {margin: 0px;}
    #map {
      width: 100%;
      height: 100%;
    }
  </style>

<script src="http://openlayers.org/api/OpenLayers.js"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key={{FILL_ME_IN}}"></script>

<script type="text/javascript">
        var map;
        
        var enable_gmaps = true;
        
        function getZoom(e) {
            $('#zoom')[0].innerHTML = 'Zoom: ' + map.getZoom();
        }
        
        function init() {
            
            // Options for World Map in Google Spherical Mercator Projection
            var options = { 
                maxResolution: 156543.0339,
                units: 'm',
                projection: new OpenLayers.Projection("EPSG:900913"),
                displayProjection: new OpenLayers.Projection("EPSG:4326"),
                maxExtent: new OpenLayers.Bounds(-20037508.34, -20037508.34, 20037508.34, 20037508.34)
                };
            
            map = new OpenLayers.Map("map", options);
            
            function maxResForTileSize(tileSize){
                return map.maxExtent.getWidth()/tileSize;
            }
            
            // TileLite by default mounts on localhost port 8000 
            var tiles_url = "http://localhost:8000/";
           
            var tilelite_layer = new OpenLayers.Layer.OSM("Mapnik locally via TileLite", tiles_url + '${z}/${x}/${y}.png');
            
            tilelite_layer.attribution = "Data served by <a href='http://bitbucket.org/springmeyer/tilelite/'>TileLite</a>";

            var osm_official_tiles = new OpenLayers.Layer.OSM("OpenStreetMap Mapnik Server (Mod_tile)");
            osm_official_tiles.attribution = "Map Data CC-BY-SA Openstreetmap.org";
                                     
            map.addLayers([tilelite_layer,osm_official_tiles]);

            if (enable_gmaps) {
                var gphy = new OpenLayers.Layer.Google( "Google Terrain", {type: G_PHYSICAL_MAP, 'sphericalMercator': true} );
                var gmap = new OpenLayers.Layer.Google( "Google Streets", {'sphericalMercator': true});
                var ghyb = new OpenLayers.Layer.Google("Google Satellite", {type: G_HYBRID_MAP, 'sphericalMercator': true} );
                map.addLayers([ghyb, gmap, gphy]);
            }
            
            map.addControl(new OpenLayers.Control.Scale());
            map.addControl(new OpenLayers.Control.MousePosition());
            map.addControl(new OpenLayers.Control.Navigation()); 
            map.addControl(new OpenLayers.Control.PanZoom());
            var ls = new OpenLayers.Control.LayerSwitcher();
            map.addControl(ls);
            //ls.maximizeControl();
                        
            function zoom_to_tilelite_extents() {                                
                $.getJSON(tiles_url + "instance.json?jsoncallback=?",
                  function(data){
                      var e = data.extent;
                      map.zoomToExtent(new OpenLayers.Bounds(e[0], e[1], e[2], e[3]));
                      map.zoomIn();
                  });
            } 
            
            // Full to the full extent to make sure data shows up
            map.zoomToMaxExtent();
            
            // Attempt to zoom to the data extent by querying Mapnik through TileLite
            // This should fail silently if the getJSON does not return data...
            zoom_to_tilelite_extents();
            
            map.events.register("moveend", map, getZoom);
            map.events.register("zoomend", map, getZoom);
            
            }
</script>
</head>
  
<body onload="init();">

    <h3 style="position:absolute; z-index:10000; left: 100px;">TileLite Mapnik Server</h3>
    <h4 style="position:absolute; z-index:10000; bottom: 5px; left: 10px;" id="zoom">Zoom:</h4>

    <div id="map">
    </div>
</body>

</html>