public AbsoluteColorConverter(Color minColor, Color maxColor, Color neutralColor, Dataset matrix, float min, float max) {
public AbsoluteColorConverter(Color minColor, Color maxColor, Color neutralColor, DoubleMatrix2D matrix, float min, float max) {
	public AbsoluteColorConverter(Color minColor, Color maxColor, Color neutralColor, Dataset matrix, float min, float max) {		this.matrix = matrix;		maxColorImage = createGradientImage(neutralColor, maxColor);		minColorImage = createGradientImage(minColor, neutralColor);		this.min = min;		this.max = max;		this.maxColor = maxColor;		this.minColor = minColor;		this.neutralColor = neutralColor;	}