我有两组数据
int[] x1 = {1,2,3,4,5,6,7,8,9,10};
int[] y1 = {1,2,3,5,6,8,9,10,14,11};
int[] x2 = {1,2,3,4,5,6,7,8,9,10};
int[] y2 = {0,2,3,5,0,8,9,8,14,11};
int[] z2 = {1,2,3,1,2,3,1,2,3,1};
我想绘制x1,y1
as an XYLineChart
然后绘制x2,y2
作为同一图上没有线条的散点。
我还需要每个散点xy,y2
根据值的不同呈现不同的颜色z2
(1=Color.red, 2=Color.green, 3=Color.blue)
我怎样才能做到这一点?
到目前为止我有:
JPanel panel_1 = new JPanel();
panel_1.setLayout(new BorderLayout(0, 0));
XYSeriesCollection dataset = new XYSeriesCollection();
XYSeries series1 = new XYSeries("series1");
for(int i=0; i<x1.length; i++){
series1.add(x1[i],y1[i]);
}
dataset.add(series1);
JFreeChart chart = ChartFactory.createXYLineChart("Title", "x", "y", dataset, PlotOrientation.VERTICAL, false, false, false);
ChartPanel cp = new ChartPanel(chart);
panel_1.add(cp, BorderLayout.CENTER);
这对折线图进行了排序。我现在需要编写散点图代码x2,y2
(上面描述的颜色)这就是我卡住的地方。