1 package org.lcsim.util.heprep;
2 import java.awt.Color;
3
4 /**
5 *
6 * @author tonyj
7 */
8 public class GrayScaleColorMap implements ColorMap {
9
10 public Color getColor(double value, float alpha) {
11 if (value < 0 || value > 1) throw new IllegalArgumentException("Value must be in range [0,1]: "+value);
12 float v = (float) value;
13 return new Color(v,v,v,alpha);
14 }
15 }