import org.eclipse.gef4.geometry.euclidean.Angle;

	 * Returns the angle from the start {@link Point} to the end {@link Point}

	 * of this {@link Line}

	 * 

	 * @return the angle from the start {@link Point} to the end {@link Point}

	 *         of this {@link Line}

	 */

	public Angle getDirection() {

		Point start = getP1();

		Point end = getP2();

		return Angle.fromRad(Math.atan2(end.y - start.y, end.x - start.y));

	}

	/**