001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/crs/coordinatesystems/VerticalCRS.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.crs.coordinatesystems;
038
039 import org.deegree.crs.Identifiable;
040 import org.deegree.crs.components.Axis;
041 import org.deegree.crs.components.VerticalDatum;
042
043 /**
044 * The <code>VerticalCRS</code> represents a crs based on one axis only, typically this crs is used as an extension on
045 * an already present crs, and adds a 'heightaxis' to the original crs.
046 *
047 * @author <a href="mailto:bezema@lat-lon.de">Rutger Bezema</a>
048 *
049 * @author last edited by: $Author: mschneider $
050 *
051 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
052 *
053 */
054 public class VerticalCRS extends CoordinateSystem {
055
056 private static final long serialVersionUID = 6647817667781900545L;
057
058 /**
059 * @param datum
060 * @param axisOrder
061 * @param identity
062 */
063 public VerticalCRS( VerticalDatum datum, Axis[] axisOrder, Identifiable identity ) {
064 super( datum, axisOrder, identity );
065 checkForNullObject( axisOrder, "VerticalCRS", "axisOrder" );
066 if ( axisOrder.length != 1 ) {
067 throw new IllegalArgumentException( "A vertical crs can only be 1 dimensional." );
068 }
069 }
070
071 @Override
072 public int getDimension() {
073 return 1;
074 }
075
076 @Override
077 public int getType() {
078 return CoordinateSystem.VERTICAL_CRS;
079 }
080
081 /**
082 * @return the axis of this vertical crs.
083 */
084 public Axis getVerticalAxis() {
085 return getAxis()[0];
086 }
087 }