"how to show values in pie chart using jfreechart" Code Answer's
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how to show values in pie chart using jfreechart
public class MyMinimalPieChartExample {
private static final String KEY1 = "Datum 1";
public static final String KEY2 = "Datum 2";
public static void main(String[] args) {
DefaultPieDataset dataset = new DefaultPieDataset();
dataset.setValue(KEY1, 99);
dataset.setValue(KEY2, 77);
JFreeChart someChart = ChartFactory.createPieChart(
"Header", dataset, true, true, false);
PiePlot plot = (PiePlot) someChart.getPlot();
plot.setSectionPaint(KEY1, Color.green);
plot.setSectionPaint(KEY2, Color.red);
plot.setExplodePercent(KEY1, 0.10);
plot.setSimpleLabels(true);
PieSectionLabelGenerator gen = new StandardPieSectionLabelGenerator(
"{0}: {1} ({2})", new DecimalFormat("0"), new DecimalFormat("0%"));
plot.setLabelGenerator(gen);
JFrame f = new JFrame("Test");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new ChartPanel(someChart) {
@Override
public Dimension getPreferredSize() {
return new Dimension(400, 300);
}
});
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
}
Source: stackoverflow.com
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