001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/model/spatialschema/Surface.java $
002    /*----------------------------------------------------------------------------
003     This file is part of deegree, http://deegree.org/
004     Copyright (C) 2001-2009 by:
005       Department of Geography, University of Bonn
006     and
007       lat/lon GmbH
008    
009     This library is free software; you can redistribute it and/or modify it under
010     the terms of the GNU Lesser General Public License as published by the Free
011     Software Foundation; either version 2.1 of the License, or (at your option)
012     any later version.
013     This library is distributed in the hope that it will be useful, but WITHOUT
014     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016     details.
017     You should have received a copy of the GNU Lesser General Public License
018     along with this library; if not, write to the Free Software Foundation, Inc.,
019     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020    
021     Contact information:
022    
023     lat/lon GmbH
024     Aennchenstr. 19, 53177 Bonn
025     Germany
026     http://lat-lon.de/
027    
028     Department of Geography, University of Bonn
029     Prof. Dr. Klaus Greve
030     Postfach 1147, 53001 Bonn
031     Germany
032     http://www.geographie.uni-bonn.de/deegree/
033    
034     e-mail: info@deegree.org
035    ----------------------------------------------------------------------------*/
036    
037    package org.deegree.model.spatialschema;
038    
039    /**
040     *
041     * Defining the surface geometry of the iso geometry model. a surface is made of 1..n surface patches. for convention it
042     * is defined that Surface is a closed geometry. that means each surface patch a surface is made of must touch at least
043     * one other surface patch if a surface is made of more then one surface patch
044     *
045     * <p>
046     * -----------------------------------------------------
047     * </p>
048     *
049     * @author Andreas Poth
050     * @author last edited by: $Author: mschneider $
051     * @version $Revision: 18195 $ $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
052     *
053     */
054    
055    public interface Surface extends OrientableSurface, GenericSurface {
056    
057        /**
058         * @return the number of patches building the surface
059         */
060        int getNumberOfSurfacePatches();
061    
062        /**
063         * @param index
064         *            the index to look for.
065         * @return the surface patch at the submitted index.
066         * @throws GeometryException
067         *             if the Index is negative.
068         */
069        SurfacePatch getSurfacePatchAt( int index )
070                                throws GeometryException;
071    
072    }