001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/model/spatialschema/OrientablePrimitive.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003     
004    This file is part of deegree.
005    Copyright (C) 2001-2007 by:
006    EXSE, Department of Geography, University of Bonn
007    http://www.giub.uni-bonn.de/deegree/
008    lat/lon GmbH
009    http://www.lat-lon.de
010     
011    This library is free software; you can redistribute it and/or
012    modify it under the terms of the GNU Lesser General Public
013    License as published by the Free Software Foundation; either
014    version 2.1 of the License, or (at your option) any later version.
015     
016    This library is distributed in the hope that it will be useful,
017    but WITHOUT ANY WARRANTY; without even the implied warranty of
018    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
019    Lesser General Public License for more details.
020     
021    You should have received a copy of the GNU Lesser General Public
022    License along with this library; if not, write to the Free Software
023    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
024     
025    Contact:
026     
027    Andreas Poth
028    lat/lon GmbH
029    Aennchenstr. 19
030    53115 Bonn
031    Germany
032    E-Mail: poth@lat-lon.de
033     
034    Prof. Dr. Klaus Greve
035    Department of Geography
036    University of Bonn
037    Meckenheimer Allee 166
038    53115 Bonn
039    Germany
040    E-Mail: greve@giub.uni-bonn.de
041     
042     
043     ---------------------------------------------------------------------------*/
044    
045    package org.deegree.model.spatialschema;
046    
047    /**
048     * The basic interface for orientated two dimensional geometries.
049     * 
050     * 
051     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
052     * @author last edited by: $Author: apoth $
053     * 
054     * @version. $Revision: 6704 $, $Date: 2007-04-26 21:43:13 +0200 (Do, 26 Apr 2007) $
055     */
056    public interface OrientablePrimitive extends Primitive {
057    
058        /**
059         * returns the orientation of a curve
060         * 
061         * @return curve orientation ('+'|'-')
062         * 
063         */
064        char getOrientation();
065    
066        /**
067         * sets the curves orientation
068         * 
069         * @param orientation orientation of the curve ('+'|'-')
070         * 
071         * @exception GeometryException will be thrown if orientation is invalid
072         * 
073         */
074        void setOrientation(char orientation) throws GeometryException;
075    
076        
077    }