/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.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 com.rapidminer.gui.plotter.ColorProvider;
import java.awt.Color;
/**
* This class provides the color calculation for the classification areas of the SOMMOdelPlotter.
*
* @author Sebastian Land
*/
public class SOMClassColorizer implements SOMMatrixColorizer {
private int numberOfClasses;
private ColorProvider colorProvider = new ColorProvider(true);
public SOMClassColorizer(int numberOfClasses) {
this.numberOfClasses = numberOfClasses;
}
@Override
public Color getPointColor(double value) {
double rest = value - Math.round(value);
if (rest < 0.65 && rest > 0.35) {
return Color.BLACK;
}
return colorProvider.getPointColor(((double) Math.round(value)) / (numberOfClasses - 1));
}
}