001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/model/crs/IGeoTransformer.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2007 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     53177 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    package org.deegree.model.crs;
044    
045    import javax.media.jai.Interpolation;
046    
047    import org.deegree.model.coverage.grid.AbstractGridCoverage;
048    import org.deegree.model.coverage.grid.GridCoverage;
049    import org.deegree.model.feature.Feature;
050    import org.deegree.model.feature.FeatureCollection;
051    import org.deegree.model.spatialschema.Envelope;
052    import org.deegree.model.spatialschema.Geometry;
053    import org.deegree.model.spatialschema.GeometryException;
054    
055    /**
056     * 
057     * 
058     * 
059     * @version $Revision: 7744 $
060     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
061     * @author last edited by: $Author: jwanhoff $
062     * 
063     * @version 1.0. $Revision: 7744 $, $Date: 2007-07-10 13:18:16 +0200 (Di, 10 Jul 2007) $
064     * 
065     * @since 2.0
066     */
067    public interface IGeoTransformer {
068    
069        /**
070         * transforms the coodinates of a deegree geometry to the target coordinate reference system.
071         */
072        public abstract Geometry transform( Geometry geo )
073                                throws CRSTransformationException, CRSException;
074    
075        /**
076         * transfroms a <tt>Envelope</tt> to the target crs of the <tt>GeoTransformer</tt> instance
077         * 
078         * @param envelope
079         * @param sourceCRS
080         *            CRS of the envelope
081         * @return
082         * @throws CRSTransformationException
083         * @throws CRSException
084         */
085        public abstract Envelope transform( Envelope envelope, String sourceCRS )
086                                throws CRSTransformationException, CRSException;
087    
088        /**
089         * transfroms a <tt>Envelope</tt> to the target crs of the <tt>GeoTransformer</tt> instance
090         * 
091         * @param envelope
092         * @param sourceCRS
093         *            CRS of the envelope
094         * @return
095         * @throws CRSTransformationException
096         * @throws CRSException
097         */
098        public abstract Envelope transform( Envelope envelope,
099                                            org.deegree.model.crs.CoordinateSystem sourceCRS )
100                                throws CRSTransformationException, CRSException;
101    
102        /**
103         * transforms all geometries contained within the passed
104         * 
105         * @see FeatureCollection into the target CRS of a GeoTransformer instance
106         * 
107         * @param fc
108         * @return the transformed geometries in the Featurecollection
109         * @throws GeometryException
110         * @throws CRSTransformationException
111         */
112        public abstract FeatureCollection transform( FeatureCollection fc )
113                                throws CRSTransformationException, CRSException, GeometryException;
114    
115        /**
116         * transforms all geometries contained within the passed
117         * 
118         * @see Feature into the target CRS of a GeoTransformer instance
119         * 
120         * @param feature
121         * @return the transformed geometries in the given Feauture.
122         * @throws GeometryException
123         * @throws CRSTransformationException
124         */
125        public abstract Feature transform( Feature feature )
126                                throws CRSTransformationException, CRSException, GeometryException;
127    
128        /**
129         * transforms a GridCoverage into another coordinate reference system.
130         * 
131         * @param coverage
132         *            grid coverage to transform
133         * @param refPointsGridSize
134         *            size of the grid used to calculate polynoms coefficients. E.g. 2 -&lg; 4 points, 3
135         *            -&lg; 9 points ...<br>
136         *            Must be &lg;= 2. Accuracy of coefficients increase with size of the grid. Speed
137         *            decreases with size of the grid.
138         * @param degree
139         *            The degree of the polynomial is supplied as an argument.
140         * @param interpolation
141         *            interpolation method for warping the passed coverage. Can be <code>null</code>.
142         *            In this case 'Nearest Neighbor' will be used as default
143         * @return
144         */
145        public abstract GridCoverage transform( AbstractGridCoverage coverage, int refPointsGridSize,
146                                                int degree, Interpolation interpolation )
147                                throws CRSTransformationException, CRSException;
148    
149    }