VectorTileMapType

vectortilemaptype.js

/*
VectorTileMapType implementing the Google Maps API V3 MapType Interface
http://code.google.com/apis/maps/documentation/javascript/maptypes.html#MapTypeInterface
Used for http://censusmapmaker.com/
*/

function VectorTileMapType() {
    this.minZoom = 13;
    this.maxZoom = 18;
}
VectorTileMapType.prototype = {
    tileSize: new google.maps.Size(256, 256),
    minZoom: 13,
    maxZoom: 18,
    getTile: function(coord, zoom, ownerDocument) {
        //console.log([coord.x, coord.y, zoom]);
	if ((zoom >= this.minZoom) && (zoom <= this.maxZoom)) {
            //console.log("getting: "+[coord.x, coord.y, zoom]);
            WSJNG.query.LoadCensusBlockTiles.LoadTile([coord.x, coord.y, zoom]);
	}
        return $("<div class='dummydiv'>"+[coord.x, coord.y, zoom].join("_")+"</div>")[0];
    },
    releaseTile: function(tileNode) {
	//console.log("releasing: "+$(tileNode).text());
	WSJNG.query.LoadCensusBlockTiles.RemoveTile($(tileNode).text());
    }
};