public static PointF GetCentreOfTiles(List <CorrelationTile> tiles)
        {
            int left   = CorrelationTile.GetMostLeftPosition(tiles);
            int top    = CorrelationTile.GetMostTopPosition(tiles);
            int width  = CorrelationTile.GetMostRightPosition(tiles) - left;
            int height = CorrelationTile.GetMostBottomPosition(tiles) - top;

            return(new PointF(left + width / 2.0f, top + height / 2.0f));
        }
 public static int GetHorizontalRangeOfTiles(List <CorrelationTile> tiles)
 {
     return(CorrelationTile.GetMostRightPosition(tiles) - CorrelationTile.GetMostLeftPosition(tiles));
 }