/*
* RapidMiner
*
* Copyright (C) 2001-2008 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui.plotter.som;
import java.awt.Color;
import com.rapidminer.gui.plotter.PlotterAdapter;
/**
* This class provides the color calculation for the classification areas
* of the SOMMOdelPlotter.
*
* @author Sebastian Land
* @version $Id: SOMClassColorizer.java,v 1.3 2008/05/09 19:23:24 ingomierswa Exp $
*/
public class SOMClassColorizer implements SOMMatrixColorizer {
private int numberOfClasses;
public SOMClassColorizer(int numberOfClasses) {
this.numberOfClasses = numberOfClasses;
}
public Color getPointColor(double value) {
double rest = value - Math.round(value);
if (rest < 0.65 && rest > 0.35) {
return Color.BLACK;
}
return PlotterAdapter.getPointColor(((double)Math.round(value)) / (numberOfClasses - 1));
}
}