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我試圖使用jzy3d
包創建曲面圖。這裏是我的代碼:jzy3d更改顏色映射
int stepsX = 6;
Range rX = new Range(1,6);
int stepsY = 7;
Range rY = new Range(0,6);
Mapper mapper = new Mapper(){
@Override
public double f(double x, double y) {
return //My function to get Z value;
}
};
// Create a surface drawing that function
org.jzy3d.plot3d.primitives.Shape surface = Builder.buildOrthonormal(new OrthonormalGrid(rX, stepsX, rY, stepsY), mapper);
surface.setColorMapper(new ColorMapper(new ColorMapRainbow(), surface.getBounds().getZmin(), surface.getBounds().getZmax(), new org.jzy3d.colors.Color(1, 1, 1, .5f)));
surface.setFaceDisplayed(true);
surface.setWireframeDisplayed(false);
//surface.setWireframeColor(org.jzy3d.colors.Color.GRAY);
// Create a chart and add the surface
org.jzy3d.chart.Chart chart = new org.jzy3d.chart.Chart(Quality.Advanced,"swing");
chart.getScene().getGraph().add(surface);
JPanel p = new JPanel(new BorderLayout());
p.add((JPanel)chart.getCanvas(),BorderLayout.CENTER);
用下面的代碼我設置默認顏色映射(藍色較低值,紅色爲更高)。
surface.setColorMapper(new ColorMapper(new ColorMapRainbow(), surface.getBounds().getZmin(), surface.getBounds().getZmax(), new org.jzy3d.colors.Color(1, 1, 1, .5f)));
有什麼方法可以顛倒顏色映射嗎?即紅色表示較低值,藍色/綠色表示較高值。