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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>
<!-- set up to run local with these commands:
cd tilelite/demo
wget http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js
wget http://openlayers.org/download/OpenLayers-2.9.zip
unzip OpenLayers-2.9.zip
-->
<script src="OpenLayers-2.9/OpenLayers.js"></script>
<script type="text/javascript" src="jquery-min.js"></script>
<script type="text/javascript">
var map;
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]);
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>
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