<!DOCTYPE HTML>
<html>
<head>
<title>BNC OpenStreetMap View</title>
<style type="text/css">
html, body, #basicMap {
width: 100%;
height: 100%;
margin: 0;
}
</style>
<script src="http://openlayers.org/api/OpenLayers.js" ></script>
<script>
var map;
var markers;
var marker;
var icon;
var traceIcon;
var fromProjection;
var toProjection;
var useTrace;
var zoom;
OpenLayers.Layer.OSM.StreetBrowser = OpenLayers.Class(OpenLayers.Layer.OSM, {
/**
* Constructor: OpenLayers.Layer.OSM.StreetBrowser
*
* Parameters:
* name - {String}
* options - {Object} Hashtable of extra options to tag onto the layer
*/
initialize: function(name, options) {
var url = [
"http://tiles-base.openstreetbrowser.org/tiles/basemap_base/${z}/${x}/${y}.png"
];
options = OpenLayers.Util.extend({
numZoomLevels: 18,
buffer: 0,
transitionEffect: "resize"
}, options);
var newArguments = [name, url, options];
OpenLayers.Layer.XYZ.prototype.initialize.apply(this, newArguments);
},
CLASS_NAME: "OpenLayers.Layer.OSM.StreetBrowser"
});
function initialize(lat, lon, trace) {
useTrace = trace;
map = new OpenLayers.Map("basicMap",
{controls:[
new OpenLayers.Control.Navigation(),
new OpenLayers.Control.PanZoomBar()]});
fromProjection = new OpenLayers.Projection("EPSG:4326"); // WGS 1984
toProjection = new OpenLayers.Projection("EPSG:900913"); // Spherical Mercator
zoom = 0;
var mapnik = new OpenLayers.Layer.OSM.StreetBrowser();
var position = new OpenLayers.LonLat(lon, lat).transform(fromProjection, toProjection);
map.addLayer(mapnik);
var size = new OpenLayers.Size(40,40);
var offset = new OpenLayers.Pixel(-size.w/2, -size.h/2);
icon = new OpenLayers.Icon("qrc:///map/crosshair.png", size, offset);
var sizeT = new OpenLayers.Size(2,2);
var offsetT = new OpenLayers.Pixel(-sizeT.w/2, -13);
traceIcon = new OpenLayers.Icon("qrc:///map/reddot.png", sizeT, offsetT);
markers = new OpenLayers.Layer.Markers("Markers");
marker = new OpenLayers.Marker(position, icon);
markers.addMarker(marker);
map.addLayer(markers);
map.setCenter(position, 3);
}
function gotoLocation(lat, lon) {
var position = new OpenLayers.LonLat(lon, lat).transform(fromProjection, toProjection);
if (zoom == 0) {
zoom = 15;
map.setCenter(position, zoom);
}
else {
map.setCenter(position);
}
markers.removeMarker(marker);
marker = new OpenLayers.Marker(position, icon);
markers.addMarker(marker);
if (useTrace == 1) {
var trace = new OpenLayers.Marker(position, traceIcon.clone());
markers.addMarker(trace);
}
}
</script>
</head>
<body>
<div id="basicMap"></div>
</body>
</html>