001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/graphics/RasterLayer.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004    This file is part of deegree.
005    Copyright (C) 2001-2006 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 
054     * single <tt>Image</tt>. The image/raster is geo-referenced by a <tt>Envelope</tt>
055     * that is linked to it.
056     * 
057     * <p>------------------------------------------------------------------------</p>
058     * 
059     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
060     * @version $Revision: 6259 $ $Date: 2007-03-20 10:15:15 +0100 (Di, 20 Mär 2007) $
061     */
062    
063    class RasterLayer extends AbstractLayer {
064    
065        protected GridCoverage raster = null;
066    
067        /**
068         * Creates a new AbstractLayer object.
069         *
070         * @param name  
071         * @param raster
072         *
073         * @throws Exception 
074         */
075        RasterLayer(String name, GridCoverage raster) 
076                         throws Exception {
077            super( name, raster.getCoordinateReferenceSystem() );
078            setRaster( raster );
079        }   
080    
081        /**
082         * sets the coordinate reference system of the MapView. If a new crs is set
083         * all geometries of GeometryFeatures will be transformed to the
084         * new coordinate reference system.
085         */
086        public void setCoordinatesSystem( CoordinateSystem crs ) throws Exception {
087            //throw new NoSuchMethodError( "not implemented yet" );
088        }
089    
090        /**
091         * returns the image/raster that represents the layers data
092         */
093        public GridCoverage getRaster() {
094            return raster;
095        }
096    
097        /**
098         * sets the image/raster that represents the layers data
099         */
100        public void setRaster(GridCoverage raster) throws Exception {
101            this.raster = raster;
102            PT_Envelope pt = raster.getEnvelope();
103            Envelope env = GeometryFactory.createEnvelope( pt.minCP.ord[0], pt.minCP.ord[1],  
104                                                           pt.maxCP.ord[0], pt.maxCP.ord[1], null );
105            this.boundingbox = env;
106        }
107        
108    }
109    /* ********************************************************************
110    Changes to this class. What the people have been up to:
111    $Log$
112    Revision 1.9  2007/02/09 17:28:00  poth
113    *** empty log message ***
114    
115    Revision 1.8  2006/05/31 12:06:31  poth
116    bug fix - setting boundingbox when a raster is set
117    
118    Revision 1.7  2006/05/24 08:04:48  poth
119    *** empty log message ***
120    
121    
122    ********************************************************************** */