define([],
   function(){
    return {
    	getCenter:function(geometry)
    	{
    		var mapPoint=null;
			switch(geometry.type)
			{
				case "point":
					mapPoint=geometry;
					break;
				case "polygon":
					mapPoint=geometry.getCentroid();
					break;
				case "polyline":
					mapPoint=geometry.getExtent().getCenter();
					break;
				default:
					mapPoint=geometry.getExtent().getCenter();
					break;
			}
			return mapPoint;
    	}
    };
});