public SurfaceMeshNonUniformGrid()
{
InitializeComponent();
int xSize = 25;
int zSize = 25;
var xSteppings = new double[25];
var zSteppings = new double[25];
// Create the stepping information for the X,Z cells
// The X-Z plane exists on the floor of the 3D Chart.
for (int i = 0; i < 25; i++)
{
xSteppings[i] = Math.Log((i + 1) * 0.01);
zSteppings[i] = xSteppings[i];
}
// Create the Nonuniform data series to hold the data
var meshDataSeries = new NonUniformGridDataSeries3D <double>(xSize, zSize, xIndex => xSteppings[xIndex], zIndex => zSteppings[zIndex])
{
SeriesName = "Nonuniform Surface Mesh",
};
// Now we populate our heights (The Y-values are up)
for (int x = 0; x < xSize; x++)
{
for (int z = 0; z < zSize; z++)
{
double xVal = (double)x / (double)xSize * 25.0;
double zVal = (double)z / (double)zSize * 25.0;
double y = Math.Sin(xVal * 0.2) / ((zVal + 1) * 2);
meshDataSeries[z, x] = y;
}
}
// Assign the DataSeries to the chart
surfaceMeshRenderableSeries.DataSeries = meshDataSeries;
}
public SurfaceMesh3DWithSelectablePoints()
{
InitializeComponent();
int xSize = 15;
int zSize = 25;
var xSteppings = new double[xSize];
var zSteppings = new double[zSize];
// Create the stepping information for the X, Z cells
// The X-Z plane exists on the floor of the 3D Chart.
for (int i = 0; i < xSize; i++)
{
xSteppings[i] = Math.Log((i + 1) * 0.01);
}
for (int i = 0; i < zSize; i++)
{
zSteppings[i] = 1 - Math.Log((i + 1) * 0.01);
}
// Create the Nonuniform data series to hold the data
// NOTE: A bug which we are investigating is why NonUniformGridDataSeries3D requires -zSteppings to have the same XYZ positions as Scatter chart
var meshDataSeries = new NonUniformGridDataSeries3D <double>(xSize, zSize, xIndex => xSteppings[xIndex], zIndex => - zSteppings[zIndex])
{
SeriesName = "Nonuniform Surface Mesh",
};
// Now we populate our heights (The Y-values are up)
for (int x = 0; x < xSize; x++)
{
for (int z = 0; z < zSize; z++)
{
double xVal = (double)x / (double)xSize * 25.0;
double zVal = (double)z / (double)zSize * 25.0;
double y = Math.Sin(xVal * 0.2) / ((zVal + 1) * 2);
meshDataSeries[z, x] = y;
}
}
// Assign the DataSeries to the chart
surfaceMeshRenderableSeries.DataSeries = meshDataSeries;
// Mirror the same data on the Scatter chart
var xyzDataSeries = meshDataSeries.ToXyzDataSeries3D();
ScatterRenderableSeries3D.DataSeries = xyzDataSeries;
// Select some random points
// Select at X = 5, 6, 7, 8, 9
// and Z = 10,11,12,13,14
// NOTE: Corresponding xyzDataSeries indices to SurfaceMeshRenderableSeries cells as follows
// because the method ToXyzDataSeries3D() iterates through X, then Z, we can calculate the index
// of a point in the XyzDataSeries from the grid cell as follows:
//
// index = zIndex + xIndex*xSize
xyzDataSeries.PerformSelection(true, new int[]
{
10 + 5 * zSize, 11 + 5 * zSize, 12 + 5 * zSize, 13 + 5 * zSize, 14 + 5 * zSize,
10 + 6 * zSize, 11 + 6 * zSize, 12 + 6 * zSize, 13 + 6 * zSize, 14 + 6 * zSize,
10 + 7 * zSize, 11 + 7 * zSize, 12 + 7 * zSize, 13 + 7 * zSize, 14 + 7 * zSize,
10 + 8 * zSize, 11 + 8 * zSize, 12 + 8 * zSize, 13 + 8 * zSize, 14 + 8 * zSize,
10 + 9 * zSize, 11 + 9 * zSize, 12 + 9 * zSize, 13 + 9 * zSize, 14 + 9 * zSize,
});
}