天天向上

public partial class Form1 : Form
    {
        private Kitware.VTK.RenderWindowControl renderWindowControl1;
        List<vtkActor> vtkActors = new List<vtkActor>();
        public Form1()
        {
            InitializeComponent();
            renderWindowControl1 = new RenderWindowControl();
            splitContainer1.Panel2.Controls.Add(renderWindowControl1);
            renderWindowControl1.Show();
            renderWindowControl1.Dock = DockStyle.Fill;
            
        }

private void drawLine(double[] p0, double[] p1, int lineWidth, IntPtr pColor)
        {
            // Create a line.  
            vtkLineSource lineSource = vtkLineSource.New();

            lineSource.SetPoint1(p0[0], p0[1], p0[2]);
            lineSource.SetPoint2(p1[0], p1[1], p1[2]);

            // Visualize
            vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
            mapper.SetInputConnection(lineSource.GetOutputPort());
            vtkActor actor = vtkActor.New();
            actor.SetMapper(mapper);
            actor.GetProperty().SetLineWidth(lineWidth);
            actor.GetProperty().SetColor(pColor);
            vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
            vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
            renderer.SetBackground(0.2, 0.3, 0.4);
            renderer.AddActor(actor);
            vtkActors.Add(actor);
            renderer.ResetCamera();
        }

// Create two points, P0 and P1
double[] p0 = new double[] { 1.0, 0.0, 0.0 };
double[] p1 = new double[] { 0.0, 1.0, 0.0 };
int lineWidth = 4;
double[] Color = new double[3] { 1.0, 0, 0 };
IntPtr pColor = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(double)) * 3);
Marshal.Copy(Color, 0, pColor, 3);
drawLine(p0, p1, lineWidth, pColor);
renderWindowControl1.Invalidate();

vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
            vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
            foreach (vtkActor atr in vtkActors)
            {
                renderer.RemoveActor(atr);
            }
            renderer.ResetCamera();
            renderWindowControl1.Invalidate();

// Create two points, P0 and P1
double[] p0 = new double[] { 0.0, 0.0, 0.0 };
double[] p1 = new double[] { 1.0, 1.0, 0.0 };
int lineWidth = 4;
double[] Color = new double[3] { 0.0, 0, 1.0 };
IntPtr pColor = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(double)) * 3);
Marshal.Copy(Color, 0, pColor, 3);
drawLine(p0, p1, lineWidth, pColor);
renderWindowControl1.Invalidate();

// Create two points, P0 and P1
            double[] p0 = new double[] { 1.0, 0.0, 0.0 };
            double[] p1 = new double[] { 0.0, 1.0, 0.0 };
            int lineWidth = 4;
            double[] Color = new double[3] { 1.0, 0, 0 };
            IntPtr pColor = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(double)) * 3);
            Marshal.Copy(Color, 0, pColor, 3);
            drawLine(p0, p1, lineWidth, pColor);
            double[] p2 = new double[] { 0.0, 0.0, 0.0 };
            double[] p3 = new double[] { 1.0, 1.0, 0.0 };
            lineWidth = 8;
            Color[0] = 0; Color[1] = 0; Color[2] = 1.0;
            Marshal.Copy(Color, 0, pColor, 3);
            drawLine(p2, p3, lineWidth, pColor);
            renderWindowControl1.Invalidate();