Java 如何更改Piechart3D分区的颜色
如何更改PieChart3D中每个部分的颜色,我尝试如下:Java 如何更改Piechart3D分区的颜色,java,jfreechart,pie-chart,Java,Jfreechart,Pie Chart,如何更改PieChart3D中每个部分的颜色,我尝试如下: private Color[] COLORS = {Color.red,Color.yellow,Color.blue,Color.black,Color.green}; private PieDataset createSampleDataset() { final DefaultPieDataset result = new DefaultPieDataset(); result.setValue(
private Color[] COLORS = {Color.red,Color.yellow,Color.blue,Color.black,Color.green};
private PieDataset createSampleDataset() {
final DefaultPieDataset result = new DefaultPieDataset();
result.setValue("Java", new Double(43.2));
result.setValue("Visual Basic", new Double(10.0));
result.setValue("C/C++", new Double(17.5));
result.setValue("PHP", new Double(32.5));
result.setValue("Perl", new Double(1.0));
return result;
}
private JFreeChart createChart(PieDataset dataset) {
final JFreeChart chart = ChartFactory.createPieChart3D(
"Pie Chart 3D Demo 1", // chart title
dataset, // data
true, // include legend
true,
false
);
final PiePlot3D plot = (PiePlot3D) chart.getPlot();
plot.setStartAngle(290);
plot.setDirection(Rotation.CLOCKWISE);
for(int i=0;i<COLORS.length;i++){
plot.setSectionPaint(COLORS[i]);
}
plot.setForegroundAlpha(0.5f);
plot.setNoDataMessage("No data to display");
return chart;
}
private Color[]COLORS={Color.red,Color.yellow,Color.blue,Color.black,Color.green};
私有数据集createSampleDataset(){
最终DefaultPieDataset结果=新建DefaultPieDataset();
setValue(“Java”,新的Double(43.2));
结果.设置值(“Visual Basic”,新的双精度(10.0));
result.setValue(“C/C++”,新的双精度(17.5));
setValue(“PHP”,新的双精度(32.5));
setValue(“Perl”,新的Double(1.0));
返回结果;
}
私有JFreeChart createChart(PieDataset数据集){
最终JFreeChart图表=ChartFactory.createPieChart3D(
“饼图3D演示1”,//图表标题
数据集,//数据
true,//包含图例
是的,
假的
);
最终PiePlot3D绘图=(PiePlot3D)chart.getPlot();
绘图。设置起始角(290);
绘图设置方向(顺时针旋转);
对于(inti=0;i这是否与您所寻找的内容一致