001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/tools/srs/TransformRasterFile.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 package org.deegree.tools.srs;
037
038 import java.awt.image.BufferedImage;
039 import java.util.Properties;
040
041 import javax.media.jai.InterpolationNearest;
042
043 import org.deegree.datatypes.CodeList;
044 import org.deegree.framework.util.ImageUtils;
045 import org.deegree.model.coverage.grid.ImageGridCoverage;
046 import org.deegree.model.coverage.grid.WorldFile;
047 import org.deegree.model.crs.CRSFactory;
048 import org.deegree.model.crs.CoordinateSystem;
049 import org.deegree.model.crs.GeoTransformer;
050 import org.deegree.model.spatialschema.Envelope;
051 import org.deegree.ogcwebservices.SupportedFormats;
052 import org.deegree.ogcwebservices.SupportedSRSs;
053 import org.deegree.ogcwebservices.wcs.describecoverage.CoverageOffering;
054 import org.deegree.ogcwebservices.wcs.describecoverage.DomainSet;
055 import org.deegree.ogcwebservices.wcs.describecoverage.RangeSet;
056 import org.deegree.ogcwebservices.wcs.describecoverage.SpatialDomain;
057
058 /**
059 * Tool to transform raster files from one CRS to another.
060 *
061 * @author <a href="mailto:tonnhofer@lat-lon.de">Oliver Tonnhofer</a>
062 * @author last edited by: $Author: mschneider $
063 *
064 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
065 */
066 public class TransformRasterFile {
067
068 private final static float DEFAULT_IMAGE_QUALITY = 0.9f;
069
070 private final static int DEFAULT_PP_GRID_SIZE = 5;
071
072 private final static int DEFAULT_POLY_ORDER = 3;
073
074 private static void transformRasterFile( String inFile, String inCRS, String outFile, String outCRS,
075 Float imageQuality, int ppgridsize, int polynomOrder )
076 throws Exception {
077
078 System.out.println( "Loading raster " + inFile );
079 BufferedImage image = ImageUtils.loadImage( inFile );
080
081 CoordinateSystem sourceCRS = CRSFactory.create( inCRS );
082 CoordinateSystem targetCRS = CRSFactory.create( outCRS );
083
084 WorldFile worldFile = WorldFile.readWorldFile( inFile, WorldFile.TYPE.CENTER, image );
085 Envelope inEnvelope = worldFile.getEnvelope();
086
087 // create minimal CoverageOffering for ImageGridCoverage
088 // most parts are not used
089 DomainSet ds = new DomainSet( new SpatialDomain( new Envelope[] { inEnvelope } ) );
090 RangeSet rs = new RangeSet( "", "" );
091 CodeList[] dummyCodeList = new CodeList[] { new CodeList( "", new String[] {} ) };
092 CodeList[] nativeSRSCodeList = new CodeList[] { new CodeList( "", new String[] { inCRS } ) };
093
094 SupportedSRSs supSRSs = new SupportedSRSs( dummyCodeList, dummyCodeList, dummyCodeList, nativeSRSCodeList );
095
096 SupportedFormats supFormats = new SupportedFormats( dummyCodeList );
097
098 CoverageOffering coverageOffering = new CoverageOffering( "", "", "", null, null, null, ds, rs, supSRSs,
099 supFormats, null, null );
100
101 ImageGridCoverage igc = new ImageGridCoverage( coverageOffering, inEnvelope, image );
102
103 GeoTransformer gt = new GeoTransformer( targetCRS );
104
105 Envelope outEnvelope = gt.transform( inEnvelope, sourceCRS, true );
106
107 // calculate new output size
108 // use square pixels for output, ie. the aspect ratio changes
109 double deltaX = outEnvelope.getWidth();
110 double deltaY = outEnvelope.getHeight();
111 double diagSize = Math.sqrt( deltaX * deltaX + deltaY * deltaY );
112 // pixelSize for calculation of the new image size
113 double pixelSize = diagSize / Math.sqrt( Math.pow( image.getWidth(), 2 ) + Math.pow( image.getHeight(), 2 ) );
114 int height = (int) ( deltaY / pixelSize + 0.5 );
115 int width = (int) ( deltaX / pixelSize + 0.5 );
116 // realPixelSize for center type world files, etc.
117 double realPixelSize = diagSize
118 / Math.sqrt( Math.pow( image.getWidth() - 1, 2 ) + Math.pow( image.getHeight() - 1, 2 ) );
119
120 System.out.println( "Transforming raster from " + inCRS + " to " + outCRS );
121 igc = (ImageGridCoverage) gt.transform( igc, outEnvelope, width, height, ppgridsize, polynomOrder,
122 new InterpolationNearest() );
123
124 image = igc.getAsImage( -1, -1 );
125
126 System.out.println( "Saving raster " + outFile );
127 ImageUtils.saveImage( image, outFile, imageQuality );
128
129 // save new WorldFile
130 WorldFile outWorldFile = new WorldFile( realPixelSize, realPixelSize, 0.0f, 0.0f, outEnvelope );
131 String basename = outFile.substring( 0, outFile.lastIndexOf( "." ) );
132 WorldFile.writeWorldFile( outWorldFile, basename );
133
134 }
135
136 private static void printHelpAndExit() {
137 System.out.println( "Usage: java [...] org.deegree.tools.srs.TransformRasterFile " );
138 System.out.println( " -inFile filename -inCRS crs " );
139 System.out.println( " [-outFile filename] -outCRS crs" );
140 System.out.println( " [-imageQuality 0.X]" );
141 System.out.println( " -passpointGridSize 5 -polynomOrder 3 " );
142 System.exit( 1 );
143 }
144
145 /**
146 * @param args
147 */
148 public static void main( String[] args ) {
149
150 if ( args.length % 2 != 0 )
151 printHelpAndExit();
152
153 Properties map = new Properties();
154 for ( int i = 0; i < args.length; i += 2 ) {
155 map.put( args[i], args[i + 1] );
156 }
157
158 String outCRS = (String) map.get( "-outCRS" );
159 if ( outCRS == null )
160 printHelpAndExit();
161
162 String inCRS = (String) map.get( "-inCRS" );
163 if ( inCRS == null )
164 printHelpAndExit();
165
166 String inFilename = (String) map.get( "-inFile" );
167 if ( inFilename == null )
168 printHelpAndExit();
169
170 String outFilename = (String) map.get( "-outFile" );
171 if ( outFilename == null ) {
172 String ext = inFilename.substring( inFilename.lastIndexOf( "." ) );
173 outFilename = inFilename.substring( 0, inFilename.lastIndexOf( "." ) );
174 outFilename = outFilename + "." + outCRS + ext;
175 }
176
177 String imageQualityString = (String) map.get( "-imageQuality" );
178 float imageQuality = DEFAULT_IMAGE_QUALITY;
179 if ( imageQualityString != null ) {
180 imageQuality = Float.valueOf( imageQualityString );
181 }
182 String ppgridsizeString = (String) map.get( "-passpointGridSize" );
183 int ppgridsize = DEFAULT_PP_GRID_SIZE;
184 if ( ppgridsizeString != null ) {
185 ppgridsize = Integer.parseInt( ppgridsizeString );
186 }
187
188 String polynomOrderString = (String) map.get( "-polynomOrder" );
189 int polynomOrder = DEFAULT_POLY_ORDER;
190 if ( polynomOrderString != null ) {
191 polynomOrder = Integer.parseInt( polynomOrderString );
192 }
193
194 try {
195 transformRasterFile( inFilename, inCRS, outFilename, outCRS, imageQuality, ppgridsize, polynomOrder );
196 } catch ( Exception e ) {
197 e.printStackTrace();
198 }
199 }
200
201 }