code: public Rectangle2D.Double getRectangle() {
          return new Rectangle2D.Double(west, south, east - west, north - south);
      }
docs: Creates a {@linkplain Rectangle2D.Double rectangle} from the current
  region.
  
  <p>
  Note that the rectangle width and height are world coordinates.
  </p>
  
  @return the rectangle wrapping the current region.