001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/model/spatialschema/CurveSegment.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 import org.deegree.model.crs.CoordinateSystem;
040
041 /**
042 * The interface defines the root of each unit building Curves
043 *
044 *
045 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
046 * @author last edited by: $Author: mschneider $
047 *
048 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
049 */
050 public interface CurveSegment extends GenericCurve {
051
052 /**
053 * @return the number of points building the curve segment
054 */
055 int getNumberOfPoints();
056
057 /**
058 * @return all positions of the segement as array of Point
059 */
060 Position[] getPositions();
061
062 /**
063 * @param index
064 * to get the curve
065 * @return the curve position at the submitted index
066 */
067 Position getPositionAt( int index );
068
069 /**
070 * reverses the direction of the curvesegment
071 */
072 void reverse();
073
074 /**
075 * @return the coordinate system of the curve segment
076 */
077 CoordinateSystem getCoordinateSystem();
078
079 /**
080 * The Boolean valued operation "intersects" shall return TRUE if this Geometry intersects another Geometry. Within
081 * a Complex, the Primitives do not intersect one another. In general, topologically structured data uses shared
082 * geometric objects to capture intersection information.
083 *
084 * @param gmo
085 * @return true if this geometry intersects with given geometry.
086 */
087 boolean intersects( Geometry gmo );
088
089 /**
090 * The Boolean valued operation "contains" shall return TRUE if this Geometry contains another Geometry.
091 *
092 * @param gmo
093 * @return true if this geometry contains given geometry.
094 */
095 boolean contains( Geometry gmo );
096
097 }