/// <summary>
/// Generates random data
/// </summary>
/// <param name="pointSeries"></param>
/// <param name="heatMapSeries"></param>
private void GenerateData(NPointSeries pointSeries, NTriangulatedHeatMapSeries heatMapSeries)
{
NPointD[] points = new NPointD[] { new NPointD(0.1, 0.1), new NPointD(1.5, 1.0), new NPointD(2.5, 5), new NPointD(4, 0), new NPointD(2.5, 3.4), new NPointD(1.3, 5) };
double[] pointsIntensity = new double[] { 30, 10, 30, 20, 40, 20 };
Random rand = new Random();
for (double x = 0.0; x <= 5; x += 0.5)
{
for (double y = 0.0; y <= 5; y += 0.5)
{
double pointX;
double pointY;
if (x == 0 || y == 0 || x == 5 || y == 5)
{
pointX = x;
pointY = y;
}
else
{
pointX = x + rand.NextDouble() * 0.2;
pointY = y + rand.NextDouble() * 0.2;
}
double intensity = 0;
for (int i = 0; i < points.Length; i++)
{
double dx = points[i].X - pointX;
double dy = points[i].Y - pointY;
double distance = Math.Sqrt(dx * dx + dy * dy);
intensity += pointsIntensity[i] / (1 + distance * distance);
}
heatMapSeries.Values.Add(intensity);
heatMapSeries.XValues.Add(pointX);
heatMapSeries.YValues.Add(pointY);
}
}
pointSeries.Values.AddRange(heatMapSeries.YValues);
pointSeries.XValues.AddRange(heatMapSeries.XValues);
}
/// <summary>
/// Called to initialize the example
/// </summary>
/// <param name="chartControl"></param>
public override void Create()
{
// set a chart title
NLabel title = new NLabel("Triangulated Heat Map Contour Labels");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, System.Drawing.FontStyle.Italic);
title.TextStyle.FillStyle = new NColorFillStyle(GreyBlue);
NChart chart = nChartControl1.Charts[0];
chart.BoundsMode = BoundsMode.Stretch;
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = new NLinearScaleConfigurator();
// create the heat map
// create the heat map
m_HeatMap = new NTriangulatedHeatMapSeries();
chart.Series.Add(m_HeatMap);
m_HeatMap.Palette.Add(0.0, Color.Purple);
m_HeatMap.Palette.Add(1.5, Color.MediumSlateBlue);
m_HeatMap.Palette.Add(3.0, Color.CornflowerBlue);
m_HeatMap.Palette.Add(4.5, Color.LimeGreen);
m_HeatMap.Palette.Add(6.0, Color.LightGreen);
m_HeatMap.Palette.Add(7.5, Color.Yellow);
m_HeatMap.Palette.Add(9.0, Color.Orange);
m_HeatMap.Palette.Add(10.5, Color.Red);
m_HeatMap.ContourDisplayMode = ContourDisplayMode.Contour;
m_HeatMap.Legend.Mode = SeriesLegendMode.SeriesLogic;
m_HeatMap.Legend.Format = "<zone_value>";
m_HeatMap.ContourLabelStyle.Visible = true;
m_HeatMap.ContourLabelStyle.AllowLabelToFlip = false;
m_HeatMap.ContourLabelStyle.TextStyle.BackplaneStyle.Visible = false;
m_HeatMap.ContourLabelStyle.ClipContour = true;
GenerateData();
ConfigureStandardLayout(chart, title, nChartControl1.Legends[0]);
ShowContourLabelsCheckBox.IsChecked = true;
AllowLabelsToFlipCheckBox.IsChecked = false;
ShowLabelBackgroundCheckBox.IsChecked = false;
ClipContourCheckBox.IsChecked = true;
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = new NLabel("Triangulated Heat Map");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.TextStyle.FillStyle = new NColorFillStyle(GreyBlue);
NCartesianChart chart = (NCartesianChart)nChartControl1.Charts[0];
chart.RangeSelections.Add(new NRangeSelection());
chart.BoundsMode = BoundsMode.Stretch;
NLinearScaleConfigurator scaleX = new NLinearScaleConfigurator();
scaleX.RoundToTickMin = false;
scaleX.RoundToTickMax = false;
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = scaleX;
NLinearScaleConfigurator scaleY = new NLinearScaleConfigurator();
scaleY.RoundToTickMin = false;
scaleY.RoundToTickMax = false;
chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator = scaleY;
// create a point series (used to show the incoming points XY values)
m_Points = new NPointSeries();
chart.Series.Add(m_Points);
m_Points.UseXValues = true;
m_Points.BorderStyle.Width = new NLength(0);
m_Points.FillStyle = new NColorFillStyle(Color.Black);
m_Points.Size = new NLength(2);
m_Points.DataLabelStyle.Visible = false;
// create the heat map
m_HeatMap = new NTriangulatedHeatMapSeries();
chart.Series.Add(m_HeatMap);
m_HeatMap.Palette.Add(0.0, Color.Purple);
m_HeatMap.Palette.Add(1.5, Color.MediumSlateBlue);
m_HeatMap.Palette.Add(3.0, Color.CornflowerBlue);
m_HeatMap.Palette.Add(4.5, Color.LimeGreen);
m_HeatMap.Palette.Add(6.0, Color.LightGreen);
m_HeatMap.Palette.Add(7.5, Color.Yellow);
m_HeatMap.Palette.Add(9.0, Color.Orange);
m_HeatMap.Palette.Add(10.5, Color.Red);
m_HeatMap.ContourDisplayMode = ContourDisplayMode.Contour;
m_HeatMap.Legend.Mode = SeriesLegendMode.SeriesLogic;
m_HeatMap.Legend.Format = "<zone_value>";
GenerateData();
ConfigureStandardLayout(chart, title, nChartControl1.Legends[0]);
nChartControl1.Controller.Tools.Add(new NPanelSelectorTool());
nChartControl1.Controller.Tools.Add(new NDataZoomTool());
// init form controls
ContourDisplayModeCombo.FillFromEnum(typeof(ContourDisplayMode));
ContourColorModeCombo.FillFromEnum(typeof(ContourColorMode));
ContourDisplayModeCombo.SelectedIndex = (int)ContourDisplayMode.Contour;
ContourColorModeCombo.SelectedIndex = (int)ContourColorMode.Uniform;
ContourDotSizeNumericUpDown.Value = (decimal)2;
ShowFillCheckBox.Checked = true;
SmoothPaletteCheckBox.Checked = true;
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
WebExamplesUtilities.FillComboWithEnumNames(ContourDisplayModeDropDownList, typeof(ContourDisplayMode));
WebExamplesUtilities.FillComboWithEnumNames(ContourColorModeDropDownList, typeof(ContourColorMode));
ShowFillCheckBox.Checked = true;
SmoothPaletteCheckBox.Checked = true;
ContourDisplayModeDropDownList.SelectedIndex = (int)ContourDisplayMode.Contour;
}
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
nChartControl1.Panels.Clear();
// set a chart title
NLabel title = new NLabel("Heat Map - Contour");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
title.TextStyle.FillStyle = new NColorFillStyle(GreyBlue);
title.DockMode = PanelDockMode.Top;
title.Margins = new NMarginsL(0, 5, 0, 0);
nChartControl1.Panels.Add(title);
NLegend legend = new NLegend();
legend.DockMode = PanelDockMode.Right;
legend.Margins = new NMarginsL(0, 5, 5, 0);
legend.FitAlignment = ContentAlignment.TopCenter;
nChartControl1.Panels.Add(legend);
NCartesianChart chart = new NCartesianChart();
nChartControl1.Panels.Add(chart);
chart.DisplayOnLegend = legend;
chart.DockMode = PanelDockMode.Fill;
chart.BoundsMode = BoundsMode.Stretch;
chart.Margins = new NMarginsL(5);
NLinearScaleConfigurator scaleX = new NLinearScaleConfigurator();
scaleX.RoundToTickMin = false;
scaleX.RoundToTickMax = false;
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = scaleX;
NLinearScaleConfigurator scaleY = new NLinearScaleConfigurator();
scaleY.RoundToTickMin = false;
scaleY.RoundToTickMax = false;
chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator = scaleY;
// create the heat map
// create the heat map
NTriangulatedHeatMapSeries heatMap = new NTriangulatedHeatMapSeries();
chart.Series.Add(heatMap);
heatMap.Palette.Add(0.0, Color.Purple);
heatMap.Palette.Add(1.5, Color.MediumSlateBlue);
heatMap.Palette.Add(3.0, Color.CornflowerBlue);
heatMap.Palette.Add(4.5, Color.LimeGreen);
heatMap.Palette.Add(6.0, Color.LightGreen);
heatMap.Palette.Add(7.5, Color.Yellow);
heatMap.Palette.Add(9.0, Color.Orange);
heatMap.Palette.Add(10.5, Color.Red);
heatMap.ContourDisplayMode = ContourDisplayMode.Contour;
heatMap.Legend.Mode = SeriesLegendMode.SeriesLogic;
heatMap.Legend.Format = "<zone_value>";
heatMap.ContourDisplayMode = ContourDisplayMode.Contour;
heatMap.Legend.Mode = SeriesLegendMode.SeriesLogic;
heatMap.Legend.Format = "<zone_value>";
GenerateData(heatMap);
// update chart control from form controls
heatMap.ContourDisplayMode = (ContourDisplayMode)ContourDisplayModeDropDownList.SelectedIndex;
heatMap.ContourColorMode = (ContourColorMode)ContourColorModeDropDownList.SelectedIndex;
heatMap.ShowFill = ShowFillCheckBox.Checked;
heatMap.Palette.SmoothPalette = SmoothPaletteCheckBox.Checked;
if (heatMap.Palette.SmoothPalette)
{
heatMap.Legend.Format = "<zone_value>";
}
else
{
heatMap.Legend.Format = "<zone_begin> - <zone_end>";
}
}
protected void Page_Load(object sender, EventArgs e)
{
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
nChartControl1.Panels.Clear();
// set a chart title
NLabel title = new NLabel("Triangulated Heat Map");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
title.TextStyle.FillStyle = new NColorFillStyle(GreyBlue);
title.DockMode = PanelDockMode.Top;
title.Margins = new NMarginsL(0, 5, 0, 0);
nChartControl1.Panels.Add(title);
NCartesianChart chart = new NCartesianChart();
nChartControl1.Panels.Add(chart);
chart.DockMode = PanelDockMode.Fill;
chart.BoundsMode = BoundsMode.Stretch;
chart.Margins = new NMarginsL(5);
NLinearScaleConfigurator scaleX = new NLinearScaleConfigurator();
scaleX.RoundToTickMin = false;
scaleX.RoundToTickMax = false;
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = scaleX;
NLinearScaleConfigurator scaleY = new NLinearScaleConfigurator();
scaleY.RoundToTickMin = false;
scaleY.RoundToTickMax = false;
chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator = scaleY;
// create a point series (used to show the incoming points XY values)
NPointSeries point = new NPointSeries();
chart.Series.Add(point);
point.UseXValues = true;
point.BorderStyle.Width = new NLength(0);
point.FillStyle = new NColorFillStyle(Color.Black);
point.Size = new NLength(2);
point.DataLabelStyle.Visible = false;
// create the heat map
NTriangulatedHeatMapSeries heatMap = new NTriangulatedHeatMapSeries();
chart.Series.Add(heatMap);
heatMap.Palette.Add(0.0, Color.Purple);
heatMap.Palette.Add(1.5, Color.MediumSlateBlue);
heatMap.Palette.Add(3.0, Color.CornflowerBlue);
heatMap.Palette.Add(4.5, Color.LimeGreen);
heatMap.Palette.Add(6.0, Color.LightGreen);
heatMap.Palette.Add(7.5, Color.Yellow);
heatMap.Palette.Add(9.0, Color.Orange);
heatMap.Palette.Add(10.5, Color.Red);
heatMap.ContourDisplayMode = ContourDisplayMode.Contour;
heatMap.Legend.Mode = SeriesLegendMode.SeriesLogic;
heatMap.Legend.Format = "<zone_value>";
GenerateData(point, heatMap);
}
