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YAHOO.util.Event.onContentReady('map', function() {
var map = new OpenLayers.Map("map", {
controls: [
new OpenLayers.Control.ArgParser(),
//new OpenLayers.Control.LayerSwitcher(),
new OpenLayers.Control.Navigation(),
new OpenLayers.Control.PanZoom()
],
displayProjection: new OpenLayers.Projection("EPSG:4326")
});
var bing = new OpenLayers.Layer.Bing("", {
zoomOffset: 13,
numZoomLevels: 4
});
map.addLayer(bing);
var centre = new OpenLayers.LonLat( fixmystreet.easting, fixmystreet.northing );
centre.transform(
new OpenLayers.Projection("EPSG:27700"),
map.getProjectionObject()
);
map.setCenter(centre, 3);
});
OpenLayers.Util.OS = {};
OpenLayers.Util.OS.MISSING_TILE_URL = "http://openstreetmap.org/openlayers/img/404.png";
OpenLayers.Util.OS.originalOnImageLoadError = OpenLayers.Util.onImageLoadError;
OpenLayers.Util.onImageLoadError = function() {
OpenLayers.Util.OS.originalOnImageLoadError;
};
OpenLayers.Layer.Bing = OpenLayers.Class(OpenLayers.Layer.XYZ, {
initialize: function(name, options) {
var url = [];
options = OpenLayers.Util.extend({
/* Below line added to OSM's file in order to allow minimum zoom level */
maxResolution: 156543.0339/Math.pow(2, options.zoomOffset || 0),
numZoomLevels: 18,
transitionEffect: "resize",
sphericalMercator: true,
attribution: "© Microsoft / OS 2010"
}, options);
var newArguments = [name, url, options];
OpenLayers.Layer.XYZ.prototype.initialize.apply(this, newArguments);
},
get_quadkey: function(x, y, level) {
var key = '';
for (var i = level; i > 0; i--) {
var digit = 0;
var mask = 1 << (i - 1);
if ((x & mask) != 0) {
digit++;
}
if ((y & mask) != 0) {
digit += 2;
}
key += digit;
}
return key;
},
getURL: function (bounds) {
var res = this.map.getResolution();
var x = Math.round((bounds.left - this.maxExtent.left)
/ (res * this.tileSize.w));
var y = Math.round((this.maxExtent.top - bounds.top)
/ (res * this.tileSize.h));
var z = this.serverResolutions != null ?
OpenLayers.Util.indexOf(this.serverResolutions, res) :
this.map.getZoom() + this.zoomOffset;
if (z == 16) {
var url = [
"http://a.os.openstreetmap.org/sv/${z}/${x}/${y}.png",
"http://b.os.openstreetmap.org/sv/${z}/${x}/${y}.png",
"http://c.os.openstreetmap.org/sv/${z}/${x}/${y}.png"
];
} else {
var url = [
"http://ecn.t0.tiles.virtualearth.net/tiles/r${id}.png?g=587&productSet=mmOS",
"http://ecn.t1.tiles.virtualearth.net/tiles/r${id}.png?g=587&productSet=mmOS",
"http://ecn.t2.tiles.virtualearth.net/tiles/r${id}.png?g=587&productSet=mmOS",
"http://ecn.t3.tiles.virtualearth.net/tiles/r${id}.png?g=587&productSet=mmOS"
];
}
var s = '' + x + y + z;
url = this.selectUrl(s, url);
var id = this.get_quadkey(x, y, z);
var path = OpenLayers.String.format(url, {'id': id, 'x': x, 'y': y, 'z': z});
return path;
},
CLASS_NAME: "OpenLayers.Layer.Bing"
});
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