001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/crs/coordinatesystems/GeographicCRS.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 java.util.List;
040    
041    import org.deegree.crs.Identifiable;
042    import org.deegree.crs.components.Axis;
043    import org.deegree.crs.components.GeodeticDatum;
044    import org.deegree.crs.components.Unit;
045    import org.deegree.crs.transformations.polynomial.PolynomialTransformation;
046    import org.deegree.i18n.Messages;
047    
048    /**
049     * The <code>GeographicCoordinateSystem</code> (in epsg aka Geodetic CRS) is a two dimensional crs with axis of lat-lon.
050     *
051     * @author <a href="mailto:bezema@lat-lon.de">Rutger Bezema</a>
052     *
053     * @author last edited by: $Author: mschneider $
054     *
055     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
056     *
057     */
058    
059    public class GeographicCRS extends CoordinateSystem {
060    
061        private static final long serialVersionUID = -293420964593919065L;
062    
063        /**
064         * A geographic coordinate system using WGS84 datum. This coordinate system use
065         * <var>longitude</var>/<var>latitude</var> axis with latitude values increasing north and longitude values
066         * increasing east. Angular units are degrees and prime meridian is Greenwich.
067         */
068        public static final GeographicCRS WGS84 = new GeographicCRS(
069                                                                     GeodeticDatum.WGS84,
070                                                                     new Axis[] {
071                                                                                 new Axis( Unit.DEGREE, "lon", Axis.AO_EAST ),
072                                                                                 new Axis( Unit.DEGREE, "lat",
073                                                                                           Axis.AO_NORTH ) }, "EPSG:4326",
074                                                                     "WGS 84" );
075    
076        /**
077         * A geographic coordinate system using WGS84 datum. This coordinate system use
078         * <var>longitude</var>/<var>latitude</var> axis with latitude values increasing north and longitude values
079         * increasing east. Angular units are degrees and prime meridian is Greenwich.
080         */
081        public static final GeographicCRS WGS84_YX = new GeographicCRS( GeodeticDatum.WGS84,
082                                                                        new Axis[] {
083                                                                                    new Axis( Unit.DEGREE, "lat",
084                                                                                              Axis.AO_NORTH ),
085                                                                                    new Axis( Unit.DEGREE, "lon",
086                                                                                              Axis.AO_EAST ) },
087                                                                        "EPSG:4326", "WGS 84" );
088    
089        /**
090         * @param datum
091         * @param axisOrder
092         * @param identity
093         * @throws IllegalArgumentException
094         *             if the axisOrder.length != 2.
095         */
096        public GeographicCRS( GeodeticDatum datum, Axis[] axisOrder, Identifiable identity )
097                                throws IllegalArgumentException {
098            this( null, datum, axisOrder, identity );
099        }
100    
101        /**
102         * @param datum
103         * @param axisOrder
104         * @param identifiers
105         * @param names
106         * @param versions
107         * @param descriptions
108         * @param areasOfUse
109         * @throws IllegalArgumentException
110         *             if the axisOrder.length != 2.
111         */
112        public GeographicCRS( GeodeticDatum datum, Axis[] axisOrder, String[] identifiers, String[] names,
113                              String[] versions, String[] descriptions, String[] areasOfUse )
114                                throws IllegalArgumentException {
115            super( datum, axisOrder, identifiers, names, versions, descriptions, areasOfUse );
116            if ( axisOrder.length != 2 ) {
117                throw new IllegalArgumentException( Messages.getMessage( "CRS_COORDINATESYSTEMS_WRONG_AXIS_DIM",
118                                                                         "Geographic", "2" ) );
119            }
120        }
121    
122        /**
123         * @param datum
124         * @param axisOrder
125         * @param identifiers
126         */
127        public GeographicCRS( GeodeticDatum datum, Axis[] axisOrder, String[] identifiers ) {
128            this( datum, axisOrder, identifiers, null, null, null, null );
129        }
130    
131        /**
132         * @param datum
133         * @param axisOrder
134         * @param identifier
135         * @param name
136         * @param version
137         * @param description
138         * @param areaOfUse
139         */
140        public GeographicCRS( GeodeticDatum datum, Axis[] axisOrder, String identifier, String name, String version,
141                              String description, String areaOfUse ) {
142            this( datum, axisOrder, new String[] { identifier }, new String[] { name }, new String[] { version },
143                  new String[] { description }, new String[] { areaOfUse } );
144        }
145    
146        /**
147         * @param datum
148         * @param axisOrder
149         * @param identifier
150         * @param name
151         */
152        public GeographicCRS( GeodeticDatum datum, Axis[] axisOrder, String identifier, String name ) {
153            this( datum, axisOrder, new String[] { identifier }, new String[] { name }, null, null, null );
154        }
155    
156        /**
157         * @param transformations
158         * @param usedDatum
159         * @param axisOrder
160         * @param id
161         */
162        public GeographicCRS( List<PolynomialTransformation> transformations, GeodeticDatum usedDatum, Axis[] axisOrder,
163                              Identifiable id ) {
164            super( transformations, usedDatum, axisOrder, id );
165            if ( axisOrder.length != 2 ) {
166                throw new IllegalArgumentException( Messages.getMessage( "CRS_COORDINATESYSTEMS_WRONG_AXIS_DIM",
167                                                                         "Geographic", "2" ) );
168            }
169        }
170    
171        @Override
172        public int getDimension() {
173            return 2;
174        }
175    
176        @Override
177        public int getType() {
178            return GEOGRAPHIC_CRS;
179        }
180    
181    }