/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.io.arcinfo_raster;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import org.deegree.model.coverage.grid.WorldFile;
/**
* writes a raster in ArcInfo text format:<br>
* <pre>
* ncols 1600
* nrows 1600
* xllcorner 3540000
* yllcorner 5730000
* cellsize 25
* NODATA_value -9999
* 120.4 132.5 99.9 ... 98.32
* 122.5 111.6 110.9 ... 88.77
* ...
* 234.23 233.4 265.9 ... 334.7
* </pre>
*
*
* @version $Revision: 1.1 $
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
* @author last edited by: $Author: poth $
*
* @version 1.0. $Revision: 1.1 $, $Date: 2006/11/14 09:49:10 $
*
* @since 2.0
*/
public class ArcInfoTextRasterWriter {
private String outFile;
private float[][] data;
private WorldFile wf;
private double noData = -9999;
/**
* it will be assumed that -9999 indicates noData values
*
* @param outFile name of the output file
* @param data data to write
* @param wf metadata describing spatial location and resolution
*/
public ArcInfoTextRasterWriter(String outFile, float[][] data, WorldFile wf) {
this( outFile, data, wf, -9999 );
}
/**
*
* @param outFile name of the output file
* @param data data to write
* @param wf metadata describing spatial location and resolution
* @param noData value used for marking noData values
*/
public ArcInfoTextRasterWriter(String outFile, float[][] data, WorldFile wf, double noData) {
this.outFile = outFile;
this.data = data;
this.wf = wf;
this.noData = noData;
}
/**
* writes data to file
* @throws IOException
*/
public void write() throws IOException {
PrintWriter pw = new PrintWriter( new FileOutputStream( outFile ) );
pw.println( "ncols " + data[0].length );
pw.println( "nrows " + data.length );
pw.println( "xllcorner " + wf.getEnvelope().getMin().getX() );
pw.println( "yllcorner " + wf.getEnvelope().getMin().getY() );
pw.println( "cellsize " + wf.getResx() );
pw.println( "nodata_value " + noData );
for ( int i = 0; i < data.length; i++ ) {
for ( int j = 0; j < data[i].length; j++ ) {
pw.print( data[i][j] );
pw.print( ' ' );
}
pw.println();
}
pw.close();
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: ArcInfoTextRasterWriter.java,v $
Revision 1.1 2006/11/14 09:49:10 poth
initial check in
********************************************************************** */