001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/graphics/RasterLayer.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2008 by:
006     EXSE, Department of Geography, University of Bonn
007     http://www.giub.uni-bonn.de/deegree/
008     lat/lon GmbH
009     http://www.lat-lon.de
010    
011     This library is free software; you can redistribute it and/or
012     modify it under the terms of the GNU Lesser General Public
013     License as published by the Free Software Foundation; either
014     version 2.1 of the License, or (at your option) any later version.
015    
016     This library is distributed in the hope that it will be useful,
017     but WITHOUT ANY WARRANTY; without even the implied warranty of
018     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
019     Lesser General Public License for more details.
020    
021     You should have received a copy of the GNU Lesser General Public
022     License along with this library; if not, write to the Free Software
023     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
024    
025     Contact:
026    
027     Andreas Poth
028     lat/lon GmbH
029     Aennchenstr. 19
030     53115 Bonn
031     Germany
032     E-Mail: poth@lat-lon.de
033    
034     Prof. Dr. Klaus Greve
035     Department of Geography
036     University of Bonn
037     Meckenheimer Allee 166
038     53115 Bonn
039     Germany
040     E-Mail: greve@giub.uni-bonn.de
041    
042     
043     ---------------------------------------------------------------------------*/
044    package org.deegree.graphics;
045    
046    import org.deegree.model.coverage.grid.GridCoverage;
047    import org.deegree.model.crs.CoordinateSystem;
048    import org.deegree.model.spatialschema.Envelope;
049    import org.deegree.model.spatialschema.GeometryFactory;
050    import org.opengis.pt.PT_Envelope;
051    
052    /**
053     * A <tt>RasterLayer</tt> represent a layer which data are contained within one single
054     * <tt>Image</tt>. The image/raster is geo-referenced by a <tt>Envelope</tt> that is linked to
055     * it.
056     * 
057     * <p>
058     * ------------------------------------------------------------------------
059     * </p>
060     * 
061     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
062     * @version $Revision: 9340 $ $Date: 2007-12-27 13:32:12 +0100 (Do, 27 Dez 2007) $
063     */
064    
065    class RasterLayer extends AbstractLayer {
066    
067        protected GridCoverage raster = null;
068    
069        /**
070         * Creates a new AbstractLayer object.
071         * 
072         * @param name
073         * @param raster
074         * 
075         * @throws Exception
076         */
077        RasterLayer( String name, GridCoverage raster ) throws Exception {
078            super( name, raster.getCoordinateReferenceSystem() );
079            setRaster( raster );
080        }
081    
082        /**
083         * sets the coordinate reference system of the MapView. If a new crs is set all geometries of
084         * GeometryFeatures will be transformed to the new coordinate reference system.
085         */
086        public void setCoordinatesSystem( CoordinateSystem crs )
087                                throws Exception {
088            // throw new NoSuchMethodError( "not implemented yet" );
089        }
090    
091        /**
092         * returns the image/raster that represents the layers data
093         */
094        public GridCoverage getRaster() {
095            return raster;
096        }
097    
098        /**
099         * sets the image/raster that represents the layers data
100         */
101        public void setRaster( GridCoverage raster )
102                                throws Exception {
103            this.raster = raster;
104            PT_Envelope pt = raster.getEnvelope();
105            Envelope env = GeometryFactory.createEnvelope( pt.minCP.ord[0], pt.minCP.ord[1], pt.maxCP.ord[0],
106                                                           pt.maxCP.ord[1], null );
107            this.boundingbox = env;
108        }
109    
110    }