static public double[] getMarker(int x, int y)
    {
    	double lat = latitude - yToMap[zoomIndex]*y + imageSizeH/2*yToMap[zoomIndex];
        double lon = longtitude + xToMap[zoomIndex]*x - imageSizeW/2*xToMap[zoomIndex];    
        double [] coords = {lat, lon};
        return coords;
    }