void GenerateData(NPolarPointSeries series)
{
int randSeed = int.Parse(HiddenField1.Value);
Random rand = new Random(randSeed);
series.Values.FillRandomRange(rand, 10, 0.0, 100.0);
series.Angles.FillRandomRange(rand, 10, 0.0, 360.0);
}
private void GenerateDataButton_Click(object sender, System.EventArgs e)
{
NChart chart = nChartControl1.Charts[0];
NPolarPointSeries series = (NPolarPointSeries)chart.Series[0];
GenerateData(series);
nChartControl1.Refresh();
}
private NSeries CreatePolarPointSeries(string name, PointShape shape)
{
NPolarPointSeries series = new NPolarPointSeries();
series.Name = name;
series.Angles.ValueFormatter = new NNumericValueFormatter("0.00");
series.DataLabelStyle.Visible = false;
series.DataLabelStyle.Format = "<value> - <angle_in_degrees>";
series.PointShape = shape;
series.Size = new NLength(1.5f, NRelativeUnit.ParentPercentage);
// add data
series.Values.FillRandomRange(Random, 10, 0, 100);
series.Angles.FillRandomRange(Random, 10, 0, 360);
return(series);
}
private NSeries CreatePolarPointSeries(string name, ENPointShape shape, Random random)
{
NPolarPointSeries series = new NPolarPointSeries();
series.Name = name;
series.InflateMargins = false;
NDataLabelStyle dataLabelStyle = new NDataLabelStyle();
dataLabelStyle.Visible = false;
dataLabelStyle.Format = "<value> - <angle_in_degrees>";
series.DataLabelStyle = dataLabelStyle;
series.Shape = shape;
series.Size = 3.0;
// add data
for (int i = 0; i < 1000; i++)
{
series.DataPoints.Add(new NPolarPointDataPoint(random.Next(360), random.Next(100)));
}
return(series);
}
void GenerateData(NPolarPointSeries series)
{
series.Values.FillRandomRange(Random, 25, 0.0, 100.0);
series.Angles.FillRandomRange(Random, 25, 0.0, 360.0);
}
public override void Initialize()
{
base.Initialize();
nChartControl1.Panels.Clear();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Polar Chart");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
// configure the chart
NPolarChart chart = new NPolarChart();
nChartControl1.Charts.Add(chart);
chart.LabelLayout.EnableInitialPositioning = true;
chart.LabelLayout.EnableLabelAdjustment = true;
// setup polar value 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);
// setup polar angle axis
NAngularScaleConfigurator angularScale = (NAngularScaleConfigurator)chart.Axis(StandardAxis.PolarAngle).ScaleConfigurator;
angularScale.MajorGridStyle.SetShowAtWall(ChartWallType.Polar, true);
// polar point series
NPolarPointSeries series1 = (NPolarPointSeries)chart.Series.Add(SeriesType.PolarPoint);
series1.PointShape = PointShape.Ellipse;
series1.Size = new NLength(1.2f, NRelativeUnit.ParentPercentage);
series1.InflateMargins = true;
series1.FillStyle = new NColorFillStyle(DarkOrange);
series1.DataLabelStyle.Visible = true;
series1.DataLabelStyle.VertAlign = VertAlign.Center;
series1.DataLabelStyle.ArrowLength = new NLength(12);
series1.DataLabelStyle.ArrowStrokeStyle.Color = DarkOrange;
series1.DataLabelStyle.TextStyle.BackplaneStyle.StandardFrameStyle.InnerBorderColor = DarkOrange;
series1.LabelLayout.EnableDataPointSafeguard = true;
series1.LabelLayout.DataPointSafeguardSize = new NSizeL(
new NLength(1.3f, NRelativeUnit.ParentPercentage),
new NLength(1.3f, NRelativeUnit.ParentPercentage));
series1.LabelLayout.UseLabelLocations = true;
series1.LabelLayout.OutOfBoundsLocationMode = OutOfBoundsLocationMode.PushWithinBounds;
series1.LabelLayout.InvertLocationsIfIgnored = true;
// fill with random data
GenerateData(series1);
// apply layout
ConfigureStandardLayout(chart, title, null);
// init form controls
EnableLabelAdjustmentCheck.Checked = true;
RemoveOverlappedLabelsCheck.Checked = false;
EnableInitialPositioningCheck.Checked = true;
EnableDataPointSafeguardCheck.Checked = true;
SafeguardSizeNumericUpDown.Value = 12;
}
public override void Initialize()
{
base.Initialize();
nChartControl1.Panels.Clear();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Real Time Polar");
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.Panels.Add(chart);
chart.Projection.SetPredefinedProjection(PredefinedProjection.Orthogonal);
chart.InnerRadius = new NLength(10, NGraphicsUnit.Point);
chart.Width = 70.0f;
chart.Height = 70.0f;
Color gridColor = Color.Green;
NPolarAxis polarAngleAxis = (NPolarAxis)chart.Axis(StandardAxis.PolarAngle);
NAngularScaleConfigurator angleScale = (NAngularScaleConfigurator)polarAngleAxis.ScaleConfigurator;
angleScale.MajorGridStyle.SetShowAtWall(ChartWallType.Polar, true);
angleScale.MajorGridStyle.LineStyle.Color = gridColor;
angleScale.OuterMajorTickStyle.LineStyle.Color = gridColor;
angleScale.InnerMajorTickStyle.LineStyle.Color = gridColor;
angleScale.LabelStyle.TextStyle.FillStyle = new NColorFillStyle(gridColor);
angleScale.RulerStyle.BorderStyle.Color = gridColor;
angleScale.LabelFitModes = new LabelFitMode[0];
m_RadarRay = new NAxisConstLine[10];
for (int i = 0; i < m_RadarRay.Length; i++)
{
m_RadarRay[i] = new NAxisConstLine();
m_RadarRay[i].StrokeStyle.Color = Color.FromArgb((byte)((1.0 - ((float)i / m_RadarRay.Length)) * 255), gridColor);
polarAngleAxis.ConstLines.Add(m_RadarRay[i]);
}
// setup polar axis
NLinearScaleConfigurator linearScale = (NLinearScaleConfigurator)chart.Axis(StandardAxis.Polar).ScaleConfigurator;
linearScale.RoundToTickMax = true;
linearScale.RoundToTickMin = true;
linearScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
linearScale.AutoLabels = false;
linearScale.MajorGridStyle.SetShowAtWall(ChartWallType.Polar, true);
linearScale.MajorGridStyle.LineStyle.Color = gridColor;
linearScale.InnerMajorTickStyle.Width = new NLength(0);
linearScale.OuterMajorTickStyle.Width = new NLength(0);
linearScale.RulerStyle.BorderStyle.Width = new NLength(0);
// create three polar point series
m_PolarSeries = new NPolarPointSeries();
m_PolarSeries.Name = "Polar";
m_PolarSeries.BorderStyle.Width = new NLength(0);
m_PolarSeries.PointShape = PointShape.Bar;
m_PolarSeries.Size = new NLength(4, NGraphicsUnit.Point);
m_PolarSeries.Angles.ValueFormatter = new NNumericValueFormatter("0.00");
m_PolarSeries.DataLabelStyle.Visible = false;
m_PolarSeries.DataLabelStyle.Format = "<value> - <angle_in_degrees>";
// change the storage type to array to increase performance
m_PolarSeries.FillStyles.StorageType = IndexedStorageType.Array;
Random rand = new Random();
for (int i = 0; i < 360; i++)
{
m_PolarSeries.Values.Add(rand.Next(100));
m_PolarSeries.Angles.Add(i);
m_PolarSeries.FillStyles[i] = new NColorFillStyle(Color.FromArgb(0, Color.Green));
}
// add the series to the chart
chart.Series.Add(m_PolarSeries);
ConfigureStandardLayout(chart, title, null);
UseHardwareAccelerationCheckBox.Checked = true;
StartTimer();
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
EnableInitialPositioningCheckBox.Checked = true;
RemoveOverlappedLabelsCheckBox.Checked = false;
EnableLabelAdjustmentCheckBox.Checked = true;
EnableDataPointSafeguardCheckBox.Checked = true;
WebExamplesUtilities.FillComboWithValues(SafeguardSizeDropDownList, 0, 20, 1);
SafeguardSizeDropDownList.SelectedIndex = 12;
HiddenField1.Value = Random.Next().ToString();
}
nChartControl1.Settings.JitterMode = JitterMode.Enabled;
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
nChartControl1.Panels.Clear();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Polar Chart");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.ContentAlignment = ContentAlignment.BottomRight;
title.Location = new NPointL(new NLength(2, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
// configure the chart
NPolarChart chart = new NPolarChart();
chart.Location = new NPointL(new NLength(5, NRelativeUnit.ParentPercentage), new NLength(5, NRelativeUnit.ParentPercentage));
chart.Size = new NSizeL(new NLength(90, NRelativeUnit.ParentPercentage), new NLength(90, NRelativeUnit.ParentPercentage));
nChartControl1.Charts.Add(chart);
// setup polar value 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);
// setup polar angle axis
NAngularScaleConfigurator angularScale = (NAngularScaleConfigurator)chart.Axis(StandardAxis.PolarAngle).ScaleConfigurator;
angularScale.MajorGridStyle.SetShowAtWall(ChartWallType.Polar, true);
// polar point series
NPolarPointSeries series1 = (NPolarPointSeries)chart.Series.Add(SeriesType.PolarPoint);
series1.PointShape = PointShape.Ellipse;
series1.Size = new NLength(2.0f, NRelativeUnit.ParentPercentage);
series1.InflateMargins = true;
series1.FillStyle = new NColorFillStyle(DarkOrange);
series1.DataLabelStyle.Visible = true;
series1.DataLabelStyle.VertAlign = VertAlign.Center;
series1.DataLabelStyle.ArrowLength = new NLength(12);
series1.DataLabelStyle.ArrowStrokeStyle.Color = DarkOrange;
series1.DataLabelStyle.TextStyle.BackplaneStyle.StandardFrameStyle.InnerBorderColor = DarkOrange;
series1.DataLabelStyle.TextStyle.FontStyle.EmSize = new NLength(8);
chart.LabelLayout.EnableInitialPositioning = EnableInitialPositioningCheckBox.Checked;
chart.LabelLayout.RemoveOverlappedLabels = RemoveOverlappedLabelsCheckBox.Checked;
chart.LabelLayout.EnableLabelAdjustment = EnableLabelAdjustmentCheckBox.Checked;
series1.LabelLayout.EnableDataPointSafeguard = EnableDataPointSafeguardCheckBox.Checked;
float safeguardSize = (float)SafeguardSizeDropDownList.SelectedIndex;
NLength sz = new NLength(safeguardSize, NGraphicsUnit.Point);
series1.LabelLayout.DataPointSafeguardSize = new NSizeL(sz, sz);
series1.LabelLayout.UseLabelLocations = true;
series1.LabelLayout.OutOfBoundsLocationMode = OutOfBoundsLocationMode.PushWithinBounds;
series1.LabelLayout.InvertLocationsIfIgnored = true;
// fill with random data
GenerateData(series1);
}
