/// <summary>
///
/// </summary>
/// <returns></returns>
protected override NWidget CreateExampleContent()
{
NChartView chartView = CreatePolarChartView();
// configure title
chartView.Surface.Titles[0].Text = "Polar Area";
// configure chart
m_Chart = (NPolarChart)chartView.Surface.Charts[0];
m_Chart.SetPredefinedPolarAxes(ENPredefinedPolarAxes.AngleValue);
// setup polar axis
NLinearScale linearScale = (NLinearScale)m_Chart.Axes[ENPolarAxis.PrimaryValue].Scale;
linearScale.ViewRangeInflateMode = ENScaleViewRangeInflateMode.MajorTick;
linearScale.InflateViewRangeBegin = true;
linearScale.InflateViewRangeEnd = true;
linearScale.MajorGridLines.Stroke = new NStroke(1, NColor.Black);
NScaleStrip strip = new NScaleStrip();
strip.Fill = new NColorFill(NColor.FromColor(NColor.Beige, 0.5f));
strip.Interlaced = true;
linearScale.Strips.Add(strip);
// setup polar angle axis
NAngularScale angularScale = (NAngularScale)m_Chart.Axes[ENPolarAxis.PrimaryAngle].Scale;
strip = new NScaleStrip();
strip.Fill = new NColorFill(NColor.FromRGBA(192, 192, 192, 125));
strip.Interlaced = true;
angularScale.Strips.Add(strip);
// polar area series 1
NPolarAreaSeries series1 = new NPolarAreaSeries();
m_Chart.Series.Add(series1);
series1.Name = "Theoretical";
series1.DataLabelStyle = new NDataLabelStyle(false);
GenerateData(series1, 100, 15.0);
// polar area series 2
NPolarAreaSeries series2 = new NPolarAreaSeries();
m_Chart.Series.Add(series2);
series2.Name = "Experimental";
series2.DataLabelStyle = new NDataLabelStyle(false);
GenerateData(series2, 100, 10.0);
// apply style sheet
chartView.Document.StyleSheets.ApplyTheme(new NChartTheme(ENChartPalette.Bright, false));
return(chartView);
}
private void GenerateData(NPolarAreaSeries series, int count, double scale)
{
series.DataPoints.Clear();
double angleStep = 2 * Math.PI / count;
Random random = new Random();
for (int i = 0; i < count; i++)
{
double angle = i * angleStep;
double c1 = 1.0 * Math.Sin(angle * 3);
double c2 = 0.3 * Math.Sin(angle * 1.5);
double c3 = 0.05 * Math.Cos(angle * 26);
double c4 = 0.05 * (0.5 - random.NextDouble());
double value = scale * (Math.Abs(c1 + c2 + c3) + c4);
if (value < 0)
{
value = 0;
}
series.DataPoints.Add(new NPolarAreaDataPoint(angle * 180 / Math.PI, value));
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
WebExamplesUtilities.FillComboWithValues(BeginAngleDropDownList, 0, 360, 15);
AngleStepDropDownList.Items.Add("15");
AngleStepDropDownList.Items.Add("30");
AngleStepDropDownList.Items.Add("45");
AngleStepDropDownList.Items.Add("90");
AngleStepDropDownList.SelectedIndex = 0;
}
// disable frame
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Polar Area");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
title.TextStyle.FillStyle = new NColorFillStyle(Color.FromArgb(60, 90, 108));
title.ContentAlignment = ContentAlignment.BottomRight;
title.Location = new NPointL(
new NLength(2, NRelativeUnit.ParentPercentage),
new NLength(2, NRelativeUnit.ParentPercentage));
// setup chart
NPolarChart polarChart = new NPolarChart();
nChartControl1.Charts.Clear();
nChartControl1.Charts.Add(polarChart);
polarChart.DisplayOnLegend = nChartControl1.Legends[0];
polarChart.DisplayAxesOnTop = true;
polarChart.Location = new NPointL(new NLength(5, NRelativeUnit.ParentPercentage), new NLength(5, NRelativeUnit.ParentPercentage));
polarChart.Size = new NSizeL(new NLength(90, NRelativeUnit.ParentPercentage), new NLength(90, NRelativeUnit.ParentPercentage));
// setup polar axis
NLinearScaleConfigurator linearScale = (NLinearScaleConfigurator)polarChart.Axis(StandardAxis.Polar).ScaleConfigurator;
linearScale.RoundToTickMax = true;
linearScale.RoundToTickMin = true;
linearScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
linearScale.MajorGridStyle.SetShowAtWall(ChartWallType.Polar, true);
// setup polar angle axis
NAngularScaleConfigurator angularScale = (NAngularScaleConfigurator)polarChart.Axis(StandardAxis.PolarAngle).ScaleConfigurator;
angularScale.MajorGridStyle.SetShowAtWall(ChartWallType.Polar, true);
NScaleStripStyle strip = new NScaleStripStyle();
strip.FillStyle = new NColorFillStyle(Color.FromArgb(64, 192, 192, 192));
strip.Interlaced = true;
strip.SetShowAtWall(ChartWallType.Polar, true);
angularScale.StripStyles.Add(strip);
// polar area series 1
NPolarAreaSeries series1 = new NPolarAreaSeries();
polarChart.Series.Add(series1);
series1.Name = "Theoretical";
series1.DataLabelStyle.Visible = false;
GenerateData(series1, 100, 15.0);
// polar area series 2
NPolarAreaSeries series2 = new NPolarAreaSeries();
polarChart.Series.Add(series2);
series2.Name = "Experimental";
series2.DataLabelStyle.Visible = false;
GenerateData(series2, 100, 10.0);
// apply style sheet
NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.Fresh);
styleSheet.Apply(nChartControl1.Document);
// apply settings
polarChart.BeginAngle = BeginAngleDropDownList.SelectedIndex * 15.0f;
NAngularScaleConfigurator angleScale = polarChart.Axis(StandardAxis.PolarAngle).ScaleConfigurator as NAngularScaleConfigurator;
angleScale.LabelStyle.Angle = new NScaleLabelAngle(ScaleLabelAngleMode.Scale, 0);
switch (AngleStepDropDownList.SelectedIndex)
{
case 0:
angleScale.MajorTickMode = MajorTickMode.CustomStep;
angleScale.CustomStep = new NAngle(15, NAngleUnit.Degree);
break;
case 1:
angleScale.MajorTickMode = MajorTickMode.CustomStep;
angleScale.CustomStep = new NAngle(30, NAngleUnit.Degree);
break;
case 2:
angleScale.MajorTickMode = MajorTickMode.CustomStep;
angleScale.CustomStep = new NAngle(45, NAngleUnit.Degree);
break;
case 3:
angleScale.MajorTickMode = MajorTickMode.CustomStep;
angleScale.CustomStep = new NAngle(90, NAngleUnit.Degree);
break;
}
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Polar Area");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Location = new NPointL(new NLength(50, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
// setup chart
NPolarChart chart = new NPolarChart();
nChartControl1.Charts.Clear();
nChartControl1.Charts.Add(chart);
chart.Projection.SetPredefinedProjection(PredefinedProjection.Orthogonal);
chart.DisplayOnLegend = nChartControl1.Legends[0];
chart.Width = 70.0f;
chart.Height = 70.0f;
chart.Depth = 5;
// setup polar axis
NLinearScaleConfigurator linearScale = (NLinearScaleConfigurator)chart.Axis(StandardAxis.Polar).ScaleConfigurator;
linearScale.RoundToTickMax = true;
linearScale.RoundToTickMin = true;
linearScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
linearScale.MajorGridStyle.SetShowAtWall(ChartWallType.Polar, true);
NScaleStripStyle strip = new NScaleStripStyle();
strip.FillStyle = new NColorFillStyle(Color.FromArgb(125, Color.Beige));
strip.Interlaced = true;
strip.SetShowAtWall(ChartWallType.Polar, true);
linearScale.StripStyles.Add(strip);
// setup polar angle axis
NAngularScaleConfigurator angularScale = (NAngularScaleConfigurator)chart.Axis(StandardAxis.PolarAngle).ScaleConfigurator;
angularScale.MajorGridStyle.SetShowAtWall(ChartWallType.Polar, true);
strip = new NScaleStripStyle();
strip.FillStyle = new NColorFillStyle(Color.FromArgb(125, 192, 192, 192));
strip.Interlaced = true;
strip.SetShowAtWall(ChartWallType.Polar, true);
angularScale.StripStyles.Add(strip);
// polar area series 1
NPolarAreaSeries series1 = new NPolarAreaSeries();
chart.Series.Add(series1);
series1.Name = "Theoretical";
series1.DataLabelStyle.Visible = false;
GenerateData(series1, 100, 15.0);
// polar area series 2
NPolarAreaSeries series2 = new NPolarAreaSeries();
chart.Series.Add(series2);
series2.Name = "Experimental";
series2.DataLabelStyle.Visible = false;
GenerateData(series2, 100, 10.0);
// apply style sheet
NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.Fresh);
styleSheet.Apply(nChartControl1.Document);
// init form controls
AngleStepCombo.Items.Add("15");
AngleStepCombo.Items.Add("30");
AngleStepCombo.Items.Add("45");
AngleStepCombo.Items.Add("90");
AngleStepCombo.SelectedIndex = 0;
}