private void DrawSD()
{
double avg = Result.Avg;
double stde = Result.STDev_E;
double stdg = Result.STDev_G;
double count = Result.Count;
double x1p, x1n, x2p, x2n, y1, y2;
(this.chartControl2.Diagram as DevExpress.XtraCharts.XYDiagram).AxisX.ConstantLines[0].Visible = true;
(this.chartControl2.Diagram as DevExpress.XtraCharts.XYDiagram).AxisX.ConstantLines[0].AxisValue = this.Result.N3Sigma;
(this.chartControl2.Diagram as DevExpress.XtraCharts.XYDiagram).AxisX.ConstantLines[1].Visible = true;
(this.chartControl2.Diagram as DevExpress.XtraCharts.XYDiagram).AxisX.ConstantLines[1].AxisValue = this.Result.Avg;
(this.chartControl2.Diagram as DevExpress.XtraCharts.XYDiagram).AxisX.ConstantLines[2].Visible = true;
(this.chartControl2.Diagram as DevExpress.XtraCharts.XYDiagram).AxisX.ConstantLines[2].AxisValue = this.Result.P3Sigma;
this.chartControl2.Series[1].Points.BeginUpdate();
this.chartControl2.Series[2].Points.BeginUpdate();
this.chartControl2.Series[1].Points.Clear();
this.chartControl2.Series[2].Points.Clear();
for (int i = 0;; i++)
{
x1p = avg + stde / 10 * i;
x1n = avg - stde / 10 * i;
x2p = avg + stdg / 10 * i;
x2n = avg - stdg / 10 * i;
y1 = NormalDistribution.GetY(x1p, avg, stde) * stde;
y2 = NormalDistribution.GetY(x2p, avg, stdg) * stdg;
this.chartControl2.Series[1].Points.Add(new DevExpress.XtraCharts.SeriesPoint(x1p, y1));
this.chartControl2.Series[1].Points.Add(new DevExpress.XtraCharts.SeriesPoint(x1n, y1));
this.chartControl2.Series[2].Points.Add(new DevExpress.XtraCharts.SeriesPoint(x2p, y2));
this.chartControl2.Series[2].Points.Add(new DevExpress.XtraCharts.SeriesPoint(x2n, y2));
if (y1 < 0.001)
{
break;
}
}
this.chartControl2.Series[1].Points.EndUpdate();
this.chartControl2.Series[2].Points.EndUpdate();
(this.chartControl2.Diagram as DevExpress.XtraCharts.XYDiagram).AxisY.WholeRange.MinValue = 0;
(this.chartControl2.Diagram as DevExpress.XtraCharts.XYDiagram).AxisY.VisualRange.MinValue = 0;
(this.chartControl2.Diagram as DevExpress.XtraCharts.XYDiagram).SecondaryAxesY[0].WholeRange.MinValue = 0;
(this.chartControl2.Diagram as DevExpress.XtraCharts.XYDiagram).SecondaryAxesY[0].VisualRange.MinValue = 0;
}
