Delaunay Class

 public partial class Form1 : Form
 {
 
     public Form1()
     {	
         InitializeComponent();
 
         // adds event handler for WorkCompleted event
         viewport1.WorkCompleted += new Viewport.WorkCompletedEventHandler(viewport1_WorkCompleted);
     }
 
     protected override void OnShown(EventArgs e)
     {
 
         viewport1.DisplayMode = displayType.Rendered;
         viewport1.Rendered.ShowSilhouettes = false;
 
         int countPerSide = 100;
         double height = 1;
 
         int len = countPerSide * countPerSide;
 
         Point3D[] coloredPoints = new Point3D[len];
 
         Random rand = new Random(3);
 
         for (int j = 0; j < countPerSide; j++)
 
             for (int i = 0; i < countPerSide; i++)
             {
 
                 double x = rand.NextDouble() * countPerSide;
                 double y = rand.NextDouble() * countPerSide;
                 double z = rand.NextDouble() * height;
 
                 byte R = (byte)(255 * z / height);
 
                 PointRGB pt = new PointRGB(x, y, z, R, 255, 255);
 
                 coloredPoints[i + j * countPerSide] = pt;
 
             }
 
         Delaunay del = new Delaunay(coloredPoints);
 
         del.OutputType = Mesh.natureType.MulticolorPlain;
 
         viewport1.StartWork(del);
 
         base.OnShown(e);
 
     }
 
     public void viewport1_WorkCompleted(object sender, WorkCompletedEventArgs e)
     {
 
         // checks the WorkUnit type, more than one can be present in the same application
         if (e.WorkUnit is Delaunay)
         {
 
             Delaunay del = (Delaunay)e.WorkUnit;
 
             Mesh m = del.Result;
 
             m.EdgeStyle = Mesh.edgeStyleType.Free;
 
             // adds the mesh to the viewport
             viewport1.Entities.Add(m);
 
             viewport1.SetView(viewType.Trimetric);
             viewport1.ZoomFit();
             viewport1.Invalidate();
 
         }
 
     }
 
 }