/*---------------- 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.processing.raster.classification;
import java.util.ArrayList;
import java.util.List;
/**
*
*
*
* @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: 2006/08/17 13:25:22 $
*
* @since 2.0
*/
public class ClassifierFactory {
/**
* creates a classifier using @see RangeRule instances. <code>values</code> -1
* rules will be created by the following method:<br>
* range 1 = values[0] ... values[1]<br>
* range 2 = values[1] ... values[2]<br>
* ...
* range n = values[values.length-2] ... values[values.length-1]
*
* @param values
* @return
* @throws ClassificationException
*/
public static AbstractClassifier createRangeClassifier( double... values )
throws ClassificationException {
List<ClassificationRule> rules = new ArrayList<ClassificationRule>( values.length );
for ( int i = 0; i < values.length - 1; i++ ) {
double[] repValue = new double[] { ( values[i] + values[i + 1] ) / 2d };
ClassificationRule rule = new RangeRule( i + 1, "-", repValue,
new double[] { values[i] },
new double[] { values[i + 1] } );
rules.add( rule );
}
return new SimpleClassifier( rules );
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: ClassifierFactory.java,v $
Revision 1.1 2006/08/17 13:25:22 poth
initial check in
********************************************************************** */