/// <summary>
/// Draws a point cloud of 80x80 vertices
/// </summary>
public FastPointCloud FunctionPlot()
{
int rows = 80;
int cols = 80;
float scale = 4f;
PointCloud surface = new PointCloud(rows * cols, 3, PointCloud.natureType.Multicolor);
for (int j = 0; j < rows; j++)
{
for (int i = 0; i < cols; i++)
{
float x = i / 5f;
float y = j / 5f;
float f = 0;
float den = (float)Math.Sqrt(x * x + y * y);
if (den != 0)
{
f = scale * (float)Math.Sin(Math.Sqrt(x * x + y * y)) / den;
}
surface.Vertices[i + j * cols] = new PointRGB(x, y, f, MyFastPointCloud.BaseColor, MyFastPointCloud.BaseColor, MyFastPointCloud.BaseColor);
}
}
MyFastPointCloud surfaceFast = new MyFastPointCloud(surface.ConvertToFastPointCloud(), model1);
surfaceFast.LineWeightMethod = colorMethodType.byEntity;
surfaceFast.LineWeight = 2;
return(surfaceFast);
}
private bool GetSelectedPointCloud(out MyFastPointCloud mfp)
{
foreach (Entity ent in model1.Entities)
{
if (ent is MyFastPointCloud)
{
mfp = (MyFastPointCloud)ent;
if (mfp.CustomSelected)
{
return(true);
}
}
}
mfp = null;
return(false);
}