private void buildPieChart() {
int offset = 20;
PieChartData data = (PieChartData)this.chartData;
ChartDirector.PieChart pieChart = new ChartDirector.PieChart(this.chartPanel.Size.Width, this.chartPanel.Size.Height);
int radius = (Math.Min(this.chartPanel.Size.Width, this.chartPanel.Size.Height) - (2 * offset)) / 2;
// Set the center of the pie
pieChart.setPieSize(this.chartPanel.Size.Width/2, this.chartPanel.Size.Height/2, radius);
pieChart.addTitle(data.Title);
pieChart.setData(data.Data, data.Labels);
pieChart.setLabelStyle("", 8);
pieChart.set3D();
pieChart.setLabelLayout(1);
// output the chart
this.chartPanel.Image = pieChart.makeImage();
}
