    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_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    }