001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/io/arcinfo_raster/ArcInfoTextRasterWriter.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 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.io.arcinfo_raster;
044
045 import java.io.FileOutputStream;
046 import java.io.IOException;
047 import java.io.PrintWriter;
048
049 import org.deegree.model.coverage.grid.WorldFile;
050
051 /**
052 * writes a raster in ArcInfo text format:<br>
053 * <pre>
054 * ncols 1600
055 * nrows 1600
056 * xllcorner 3540000
057 * yllcorner 5730000
058 * cellsize 25
059 * NODATA_value -9999
060 * 120.4 132.5 99.9 ... 98.32
061 * 122.5 111.6 110.9 ... 88.77
062 * ...
063 * 234.23 233.4 265.9 ... 334.7
064 * </pre>
065 *
066 *
067 * @version $Revision: 6259 $
068 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
069 * @author last edited by: $Author: bezema $
070 *
071 * @version 1.0. $Revision: 6259 $, $Date: 2007-03-20 10:15:15 +0100 (Di, 20 Mär 2007) $
072 *
073 * @since 2.0
074 */
075 public class ArcInfoTextRasterWriter {
076
077 private String outFile;
078 private float[][] data;
079 private WorldFile wf;
080 private double noData = -9999;
081
082 /**
083 * it will be assumed that -9999 indicates noData values
084 *
085 * @param outFile name of the output file
086 * @param data data to write
087 * @param wf 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 name of the output file
096 * @param data data to write
097 * @param wf metadata describing spatial location and resolution
098 * @param noData value used for marking noData values
099 */
100 public ArcInfoTextRasterWriter(String outFile, float[][] data, WorldFile wf, double noData) {
101 this.outFile = outFile;
102 this.data = data;
103 this.wf = wf;
104 this.noData = noData;
105 }
106
107 /**
108 * writes data to file
109 * @throws IOException
110 */
111 public void write() throws IOException {
112 PrintWriter pw = new PrintWriter( new FileOutputStream( outFile ) );
113 pw.println( "ncols " + data[0].length );
114 pw.println( "nrows " + data.length );
115 pw.println( "xllcorner " + wf.getEnvelope().getMin().getX() );
116 pw.println( "yllcorner " + wf.getEnvelope().getMin().getY() );
117 pw.println( "cellsize " + wf.getResx() );
118 pw.println( "nodata_value " + noData );
119 for ( int i = 0; i < data.length; i++ ) {
120 for ( int j = 0; j < data[i].length; j++ ) {
121 pw.print( data[i][j] );
122 pw.print( ' ' );
123 }
124 pw.println();
125 }
126 pw.close();
127 }
128
129 }
130
131 /* ********************************************************************
132 Changes to this class. What the people have been up to:
133 $Log$
134 Revision 1.1 2006/11/14 09:49:10 poth
135 initial check in
136
137
138 ********************************************************************** */