    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_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    }