/// <summary>
///
/// </summary>
/// <returns></returns>
protected override NWidget CreateExampleContent()
{
NChartView chartView = CreateCartesianChartView();
// configure title
chartView.Surface.Titles[0].Text = "Standard Heat Maps";
// configure chart
NCartesianChart chart = (NCartesianChart)chartView.Surface.Charts[0];
chart.SetPredefinedCartesianAxes(ENPredefinedCartesianAxis.XYLinear);
NHeatMapSeries heatMap = new NHeatMapSeries();
chart.Series.Add(heatMap);
NGridData data = heatMap.Data;
heatMap.Palette = new NTwoColorPalette(NColor.Green, NColor.Red);
int gridSizeX = 100;
int gridSizeY = 100;
data.Size = new NSizeI(gridSizeX, gridSizeY);
int centerX = gridSizeX / 2;
int centerY = gridSizeY / 2;
int radius = gridSizeX / 2;
Random rand = new Random();
for (int y = 0; y < gridSizeY; y++)
{
for (int x = 0; x < gridSizeX; x++)
{
int dx = x - centerX;
int dy = y - centerY;
double pointDistance = Math.Sqrt(dx * dx + dy * dy);
if (pointDistance < radius)
{
// assign value
data.SetValue(x, y, pointDistance + rand.Next(20));
}
else
{
data.SetValue(x, y, double.NaN);
}
}
}
return(chartView);
}
/* private void GenerateData()
* {
* NGridData data = m_HeatMap.Data;
*
* int GridStepX = 10;
* int GridStepY = 10;
* data.Size = new NSizeI(GridStepX, GridStepY);
*
* for (int row = 0; row < GridStepX; row++)
* {
* for (int col = 0; col < GridStepY; col++)
* {
* int dx = 2 - row;
* int dy = 2 - col;
* double distance = Math.Sqrt(dx * dx + dy * dy);
*
* data.SetValue(row, col, 5 - distance);
* }
* }
* }*/
private void GenerateData()
{
NGridData data = m_HeatMap.Data;
int GridStepX = 300;
int GridStepY = 300;
data.Size = new NSizeI(GridStepX, GridStepY);
const double dIntervalX = 10.0;
const double dIntervalZ = 10.0;
double dIncrementX = (dIntervalX / GridStepX);
double dIncrementZ = (dIntervalZ / GridStepY);
double y, x, z;
z = -(dIntervalZ / 2);
for (int col = 0; col < GridStepX; col++, z += dIncrementZ)
{
x = -(dIntervalX / 2);
for (int row = 0; row < GridStepY; row++, x += dIncrementX)
{
y = 10 - Math.Sqrt((x * x) + (z * z) + 2);
y += 3.0 * Math.Sin(x) * Math.Cos(z);
data.SetValue(row, col, y);
}
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected override NWidget CreateExampleContent()
{
NChartView chartView = CreateCartesianChartView();
// configure title
chartView.Surface.Titles[0].Text = "Standard Heat Map";
// configure chart
NCartesianChart chart = (NCartesianChart)chartView.Surface.Charts[0];
chart.SetPredefinedCartesianAxes(ENPredefinedCartesianAxis.XYLinear);
m_HeatMap = new NHeatMapSeries();
chart.Series.Add(m_HeatMap);
NGridData data = m_HeatMap.Data;
m_HeatMap.Palette = new NColorValuePalette(new NColorValuePair[] { new NColorValuePair(0.0, NColor.Purple),
new NColorValuePair(1.5, NColor.MediumSlateBlue),
new NColorValuePair(3.0, NColor.CornflowerBlue),
new NColorValuePair(4.5, NColor.LimeGreen),
new NColorValuePair(6.0, NColor.LightGreen),
new NColorValuePair(7.5, NColor.Yellow),
new NColorValuePair(9.0, NColor.Orange),
new NColorValuePair(10.5, NColor.Red) });
int gridSizeX = 100;
int gridSizeY = 100;
data.Size = new NSizeI(gridSizeX, gridSizeY);
double y, x, z;
const double dIntervalX = 10.0;
const double dIntervalZ = 10.0;
double dIncrementX = (dIntervalX / gridSizeX);
double dIncrementZ = (dIntervalZ / gridSizeY);
z = -(dIntervalZ / 2);
for (int j = 0; j < gridSizeY; j++, z += dIncrementZ)
{
x = -(dIntervalX / 2);
for (int i = 0; i < gridSizeX; i++, x += dIncrementX)
{
y = 10 - Math.Sqrt((x * x) + (z * z) + 2);
y += 3.0 * Math.Sin(x) * Math.Cos(z);
data.SetValue(i, j, y);
}
}
return(chartView);
}