001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/io/arcinfo_raster/ArcInfoTextRasterWriter.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.io.arcinfo_raster;
037
038 import java.io.FileOutputStream;
039 import java.io.IOException;
040 import java.io.PrintWriter;
041
042 import org.deegree.model.coverage.grid.WorldFile;
043
044 /**
045 * writes a raster in ArcInfo text format:<br>
046 *
047 * <pre>
048 * ncols 1600
049 * nrows 1600
050 * xllcorner 3540000
051 * yllcorner 5730000
052 * cellsize 25
053 * NODATA_value -9999
054 * 120.4 132.5 99.9 ... 98.32
055 * 122.5 111.6 110.9 ... 88.77
056 * ...
057 * 234.23 233.4 265.9 ... 334.7
058 * </pre>
059 *
060 *
061 * @version $Revision: 18195 $
062 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
063 * @author last edited by: $Author: mschneider $
064 *
065 * @version 1.0. $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
066 *
067 * @since 2.0
068 */
069 public class ArcInfoTextRasterWriter {
070
071 private String outFile;
072
073 private float[][] data;
074
075 private WorldFile wf;
076
077 private double noData = -9999;
078
079 /**
080 * it will be assumed that -9999 indicates noData values
081 *
082 * @param outFile
083 * name of the output file
084 * @param data
085 * data to write
086 * @param wf
087 * metadata describing spatial location and resolution
088 */
089 public ArcInfoTextRasterWriter( String outFile, float[][] data, WorldFile wf ) {
090 this( outFile, data, wf, -9999 );
091 }
092
093 /**
094 *
095 * @param outFile
096 * name of the output file
097 * @param data
098 * data to write
099 * @param wf
100 * metadata describing spatial location and resolution
101 * @param noData
102 * value used for marking noData values
103 */
104 public ArcInfoTextRasterWriter( String outFile, float[][] data, WorldFile wf, double noData ) {
105 this.outFile = outFile;
106 this.data = data;
107 this.wf = wf;
108 this.noData = noData;
109 }
110
111 /**
112 * writes data to file
113 *
114 * @throws IOException
115 */
116 public void write()
117 throws IOException {
118 PrintWriter pw = new PrintWriter( new FileOutputStream( outFile ) );
119 pw.println( "ncols " + data[0].length );
120 pw.println( "nrows " + data.length );
121 pw.println( "xllcorner " + wf.getEnvelope().getMin().getX() );
122 pw.println( "yllcorner " + wf.getEnvelope().getMin().getY() );
123 pw.println( "cellsize " + wf.getResx() );
124 pw.println( "nodata_value " + noData );
125 for ( int i = 0; i < data.length; i++ ) {
126 for ( int j = 0; j < data[i].length; j++ ) {
127 pw.print( data[i][j] );
128 pw.print( ' ' );
129 }
130 pw.println();
131 }
132 pw.close();
133 }
134
135 }