/*
* OSGeom -- Geometry Collab
*
* (C) 2009, Open Source Geospatial Foundation (OSGeo)
* (C) 2001-2009 Department of Geography, University of Bonn
* (C) 2001-2009 lat/lon GmbH
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.osgeo.geometry.primitive;
/**
* An <code>OrientableCurve</code> consists of a wrapped base {@link Curve} and an additional orientation.
* <p>
* If the orientation is *not* reversed, then the <code>OrientableCurve</code> is identical to the base curve. If the
* orientation is reversed, then the <code>OrientableCurve</code> is related to the base curve with a parameterization
* that reverses the sense of the curve traversal.
*
* @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a>
* @author last edited by: $Author:$
*
* @version $Revision:$, $Date:$
*/
public interface OrientableCurve extends Curve {
/**
* Must always return {@link Curve.CurveType#OrientableCurve}.
*
* @return {@link Curve.CurveType#OrientableCurve}
*/
public CurveType getCurveType();
/**
* Returns whether the orientation of this curve is reversed compared to the base curve.
*
* @return true, if the orientation is reversed, false otherwise
*/
public boolean isReversed();
/**
* Returns the {@link Curve} that this <code>OrientableCurve</code> is based on.
*
* @return the base <code>Curve</code>
*/
public Curve getBaseCurve();
}