/** 複数円チャート用のサブチャートを取得する */
private JFreeChart getSubPieChart() {
MultiplePiePlot multiplePiePlot = (MultiplePiePlot) this.getPlot();
// サブチャートの生成
JFreeChart subChart = multiplePiePlot.getPieChart();
return subChart;
}
/**
* Creates a sample chart with the given dataset.
*
* @param dataset the dataset.
* @return A sample chart.
*/
private JFreeChart createChart(final CategoryDataset dataset) {
final JFreeChart chart =
ChartFactory.createMultiplePieChart(
"Multiple Pie Chart", // chart title
dataset, // dataset
TableOrder.BY_ROW,
true, // include legend
true,
true);
final MultiplePiePlot plot = (MultiplePiePlot) chart.getPlot();
final JFreeChart subchart = plot.getPieChart();
final PiePlot p = (PiePlot) subchart.getPlot();
p.setLabelGenerator(new StandardPieSectionLabelGenerator("{0}"));
p.setLabelFont(new Font("SansSerif", Font.PLAIN, 8));
p.setInteriorGap(0.30);
return chart;
}
/**
* Creates a sample dataset for the demo.
*
* @return A sample dataset.
*/
public static JFreeChart create3DPieChart(
String title,
java.awt.Font titleFont,
CategoryDataset data,
TableOrder order,
boolean legend,
boolean tooltips,
boolean urls,
PieURLGenerator urlGenerator) {
MultiplePiePlot plot = new MultiplePiePlot(data);
plot.setDataExtractOrder(order);
// plot.setOutlineStroke(null);
JFreeChart pieChart = new JFreeChart(new PiePlot3D(null));
pieChart.setBackgroundPaint(null);
plot.setPieChart(pieChart);
PiePlot3D pp = (PiePlot3D) plot.getPieChart().getPlot();
pp.setBackgroundPaint(null);
// pp.setInsets(new Insets(0, 5, 5, 5));
// no outline around each piechart
pp.setOutlineStroke(null);
PieToolTipGenerator tooltipGenerator = null;
if (tooltips) {
tooltipGenerator = new StandardPieToolTipGenerator();
}
if (!urls) {
urlGenerator = null;
}
pp.setToolTipGenerator(tooltipGenerator);
pp.setLabelGenerator(null);
pp.setURLGenerator(urlGenerator);
JFreeChart chart = new JFreeChart(title, titleFont, plot, legend);
return chart;
}
