Tips and Frequently Asked Questions
How to configure the y-axis and y-grid of a spider chart
Simply drop a chart on the form and set the code in the formcreate. The y-axis and y-grid are configured to display every 20 units.
Sample code:
var s: TChartSerie; p: TChartPane; I: Integer; begin AdvGDIPChartView1.BeginUpdate; AdvGDIPChartView1.Panes.Clear; p := AdvGDIPChartView1.Panes.Add; p.YAxis.AutoUnits := False; p.YGrid.AutoUnits := False; s := p.Series.Add; s.ChartType := ctSpider; s.Pie.Size := 300; s.YAxis.AutoUnits := False; s.YAxis.MajorUnit := 50; s.YAxis.MinorUnit := 10; p.YGrid.MinorDistance := 10; p.YGrid.MajorDistance := 50; p.YGrid.MajorLineColor := clRed; for I := 0 to 9 do begin s.AddSinglePoint((I + 1) * 10); end; AdvGDIPChartView1.EndUpdate;
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