private void WindowedSincPolyDataFilter()
        {
            vtkSphereSource sphereSource = vtkSphereSource.New();

            sphereSource.Update();

            vtkWindowedSincPolyDataFilter smoother = vtkWindowedSincPolyDataFilter.New();

            smoother.SetInputConnection(sphereSource.GetOutputPort());
            smoother.SetNumberOfIterations(15);
            smoother.BoundarySmoothingOff();
            smoother.FeatureEdgeSmoothingOff();
            smoother.SetFeatureAngle(120.0);
            smoother.SetPassBand(.001);
            smoother.NonManifoldSmoothingOn();
            smoother.NormalizeCoordinatesOn();
            smoother.Update();

            vtkPolyDataMapper smoothedMapper = vtkPolyDataMapper.New();

#if VTK_MAJOR_VERSION_5
            smoothedMapper.SetInputConnection(smoother.GetOutputPort());
#else
            smoothedMapper.SetInputData(smoother);
#endif
            vtkActor smoothedActor = vtkActor.New();
            smoothedActor.SetMapper(smoothedMapper);

            vtkPolyDataMapper inputMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
            inputMapper.SetInputConnection(sphereSource.GetOutputPort());
#else
            inputMapper.SetInputData(sphereSource);
#endif
            vtkActor inputActor = vtkActor.New();
            inputActor.SetMapper(inputMapper);

            vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
            this.Size = new System.Drawing.Size(612, 352);

            // Define viewport ranges
            // (xmin, ymin, xmax, ymax)
            double[] leftViewport  = new double[] { 0.0, 0.0, 0.5, 1.0 };
            double[] rightViewport = new double[] { 0.5, 0.0, 1.0, 1.0 };

            // Setup both renderers
            vtkRenderer leftRenderer = vtkRenderer.New();
            renderWindow.AddRenderer(leftRenderer);
            leftRenderer.SetViewport(leftViewport[0], leftViewport[1], leftViewport[2], leftViewport[3]);
            leftRenderer.SetBackground(.6, .5, .4);

            vtkRenderer rightRenderer = vtkRenderer.New();
            renderWindow.AddRenderer(rightRenderer);
            rightRenderer.SetViewport(rightViewport[0], rightViewport[1], rightViewport[2], rightViewport[3]);
            rightRenderer.SetBackground(.4, .5, .6);

            // Add the sphere to the left and the cube to the right
            leftRenderer.AddActor(inputActor);
            rightRenderer.AddActor(smoothedActor);
            leftRenderer.ResetCamera();
            rightRenderer.ResetCamera();
            renderWindow.Render();
        }
    /// <summary>
    /// The main entry method called by the CSharp driver
    /// </summary>
    /// <param name="argv"></param>
    public static void AVTestPolygonWriters(String [] argv)
    {
        //Prefix Content is: ""

          // Create the RenderWindow, Renderer and both Actors[]
          //[]
          ren1 = vtkRenderer.New();
          renWin = vtkRenderWindow.New();
          renWin.AddRenderer((vtkRenderer)ren1);
          iren = new vtkRenderWindowInteractor();
          iren.SetRenderWindow((vtkRenderWindow)renWin);
          // read data[]
          //[]
          input = new vtkPolyDataReader();
          input.SetFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/brainImageSmooth.vtk");
          //[]
          // generate vectors[]
          clean = new vtkCleanPolyData();
          clean.SetInputConnection((vtkAlgorithmOutput)input.GetOutputPort());
          smooth = new vtkWindowedSincPolyDataFilter();
          smooth.SetInputConnection((vtkAlgorithmOutput)clean.GetOutputPort());
          smooth.GenerateErrorVectorsOn();
          smooth.GenerateErrorScalarsOn();
          smooth.Update();
          mapper = vtkPolyDataMapper.New();
          mapper.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
          mapper.SetScalarRange((double)((vtkDataSet)smooth.GetOutput()).GetScalarRange()[0],
          (double)((vtkDataSet)smooth.GetOutput()).GetScalarRange()[1]);
          brain = new vtkActor();
          brain.SetMapper((vtkMapper)mapper);
          // Add the actors to the renderer, set the background and size[]
          //[]
          ren1.AddActor((vtkProp)brain);
          renWin.SetSize((int)320,(int)240);
          ren1.GetActiveCamera().SetPosition((double)149.653,(double)-65.3464,(double)96.0401);
          ren1.GetActiveCamera().SetFocalPoint((double)146.003,(double)22.3839,(double)0.260541);
          ren1.GetActiveCamera().SetViewAngle((double)30);
          ren1.GetActiveCamera().SetViewUp((double)-0.255578,(double)-0.717754,(double)-0.647695);
          ren1.GetActiveCamera().SetClippingRange((double)79.2526,(double)194.052);
          iren.Initialize();
          renWin.Render();
          // render the image[]
          //[]
          // prevent the tk window from showing up then start the event loop[]
          //[]
          // If the current directory is writable, then test the witers[]
          //[]
          try
          {
         channel = new StreamWriter("test.tmp");
          tryCatchError = "NOERROR";
          }
          catch(Exception)
          {tryCatchError = "ERROR";}

        if(tryCatchError.Equals("NOERROR"))
          {
          channel.Close();
          File.Delete("test.tmp");
          //[]
          //[]
          // test the writers[]
          dsw = new vtkDataSetWriter();
          dsw.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
          dsw.SetFileName((string)"brain.dsw");
          dsw.Write();
          File.Delete("brain.dsw");
          pdw = new vtkPolyDataWriter();
          pdw.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
          pdw.SetFileName((string)"brain.pdw");
          pdw.Write();
          File.Delete("brain.pdw");
          iv = new vtkIVWriter();
          iv.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
          iv.SetFileName((string)"brain.iv");
          iv.Write();
          File.Delete("brain.iv");

          //[]
          // the next writers only handle triangles[]
          triangles = new vtkTriangleFilter();
          triangles.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
          iv2 = new vtkIVWriter();
          iv2.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          iv2.SetFileName((string)"brain2.iv");
          iv2.Write();
          File.Delete("brain2.iv");

          edges = new vtkExtractEdges();
          edges.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          iv3 = new vtkIVWriter();
          iv3.SetInputConnection((vtkAlgorithmOutput)edges.GetOutputPort());
          iv3.SetFileName((string)"brain3.iv");
          iv3.Write();
          File.Delete("brain3.iv");

          byu = new vtkBYUWriter();
          byu.SetGeometryFileName((string)"brain.g");
          byu.SetScalarFileName((string)"brain.s");
          byu.SetDisplacementFileName((string)"brain.d");
          byu.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          byu.Write();
          File.Delete("brain.g");
          File.Delete("brain.s");
          File.Delete("brain.d");
          mcubes = new vtkMCubesWriter();
          mcubes.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          mcubes.SetFileName((string)"brain.tri");
          mcubes.SetLimitsFileName((string)"brain.lim");
          mcubes.Write();
          File.Delete("brain.lim");
          File.Delete("brain.tri");
          stl = new vtkSTLWriter();
          stl.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          stl.SetFileName((string)"brain.stl");
          stl.Write();
          File.Delete("brain.stl");
          stlBinary = new vtkSTLWriter();
          stlBinary.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
          stlBinary.SetFileName((string)"brainBinary.stl");
          stlBinary.SetFileType((int)2);
          stlBinary.Write();
          File.Delete("brainBinary.stl");
        }

        //deleteAllVTKObjects();
    }
 ///<summary> A Set Method for Static Variables </summary>
 public static void Setsmooth(vtkWindowedSincPolyDataFilter toSet)
 {
     smooth = toSet;
 }
Example #4
0
 ///<summary> A Set Method for Static Variables </summary>
 public static void Setsmooth(vtkWindowedSincPolyDataFilter toSet)
 {
     smooth = toSet;
 }
Example #5
0
    /// <summary>
    /// The main entry method called by the CSharp driver
    /// </summary>
    /// <param name="argv"></param>
    public static void AVTestPolygonWriters(String [] argv)
    {
        //Prefix Content is: ""

        // Create the RenderWindow, Renderer and both Actors[]
        //[]
        ren1   = vtkRenderer.New();
        renWin = vtkRenderWindow.New();
        renWin.AddRenderer((vtkRenderer)ren1);
        iren = new vtkRenderWindowInteractor();
        iren.SetRenderWindow((vtkRenderWindow)renWin);
        // read data[]
        //[]
        input = new vtkPolyDataReader();
        input.SetFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/brainImageSmooth.vtk");
        //[]
        // generate vectors[]
        clean = new vtkCleanPolyData();
        clean.SetInputConnection((vtkAlgorithmOutput)input.GetOutputPort());
        smooth = new vtkWindowedSincPolyDataFilter();
        smooth.SetInputConnection((vtkAlgorithmOutput)clean.GetOutputPort());
        smooth.GenerateErrorVectorsOn();
        smooth.GenerateErrorScalarsOn();
        smooth.Update();
        mapper = vtkPolyDataMapper.New();
        mapper.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
        mapper.SetScalarRange((double)((vtkDataSet)smooth.GetOutput()).GetScalarRange()[0],
                              (double)((vtkDataSet)smooth.GetOutput()).GetScalarRange()[1]);
        brain = new vtkActor();
        brain.SetMapper((vtkMapper)mapper);
        // Add the actors to the renderer, set the background and size[]
        //[]
        ren1.AddActor((vtkProp)brain);
        renWin.SetSize((int)320, (int)240);
        ren1.GetActiveCamera().SetPosition((double)149.653, (double)-65.3464, (double)96.0401);
        ren1.GetActiveCamera().SetFocalPoint((double)146.003, (double)22.3839, (double)0.260541);
        ren1.GetActiveCamera().SetViewAngle((double)30);
        ren1.GetActiveCamera().SetViewUp((double)-0.255578, (double)-0.717754, (double)-0.647695);
        ren1.GetActiveCamera().SetClippingRange((double)79.2526, (double)194.052);
        iren.Initialize();
        renWin.Render();
        // render the image[]
        //[]
        // prevent the tk window from showing up then start the event loop[]
        //[]
        // If the current directory is writable, then test the witers[]
        //[]
        try
        {
            channel       = new StreamWriter("test.tmp");
            tryCatchError = "NOERROR";
        }
        catch (Exception)
        { tryCatchError = "ERROR"; }

        if (tryCatchError.Equals("NOERROR"))
        {
            channel.Close();
            File.Delete("test.tmp");
            //[]
            //[]
            // test the writers[]
            dsw = new vtkDataSetWriter();
            dsw.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
            dsw.SetFileName((string)"brain.dsw");
            dsw.Write();
            File.Delete("brain.dsw");
            pdw = new vtkPolyDataWriter();
            pdw.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
            pdw.SetFileName((string)"brain.pdw");
            pdw.Write();
            File.Delete("brain.pdw");
            iv = new vtkIVWriter();
            iv.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
            iv.SetFileName((string)"brain.iv");
            iv.Write();
            File.Delete("brain.iv");


            //[]
            // the next writers only handle triangles[]
            triangles = new vtkTriangleFilter();
            triangles.SetInputConnection((vtkAlgorithmOutput)smooth.GetOutputPort());
            iv2 = new vtkIVWriter();
            iv2.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
            iv2.SetFileName((string)"brain2.iv");
            iv2.Write();
            File.Delete("brain2.iv");


            edges = new vtkExtractEdges();
            edges.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
            iv3 = new vtkIVWriter();
            iv3.SetInputConnection((vtkAlgorithmOutput)edges.GetOutputPort());
            iv3.SetFileName((string)"brain3.iv");
            iv3.Write();
            File.Delete("brain3.iv");


            byu = new vtkBYUWriter();
            byu.SetGeometryFileName((string)"brain.g");
            byu.SetScalarFileName((string)"brain.s");
            byu.SetDisplacementFileName((string)"brain.d");
            byu.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
            byu.Write();
            File.Delete("brain.g");
            File.Delete("brain.s");
            File.Delete("brain.d");
            mcubes = new vtkMCubesWriter();
            mcubes.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
            mcubes.SetFileName((string)"brain.tri");
            mcubes.SetLimitsFileName((string)"brain.lim");
            mcubes.Write();
            File.Delete("brain.lim");
            File.Delete("brain.tri");
            stl = new vtkSTLWriter();
            stl.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
            stl.SetFileName((string)"brain.stl");
            stl.Write();
            File.Delete("brain.stl");
            stlBinary = new vtkSTLWriter();
            stlBinary.SetInputConnection((vtkAlgorithmOutput)triangles.GetOutputPort());
            stlBinary.SetFileName((string)"brainBinary.stl");
            stlBinary.SetFileType((int)2);
            stlBinary.Write();
            File.Delete("brainBinary.stl");
        }



//deleteAllVTKObjects();
    }
Example #6
0
        //private void CommonInit(Sequence BinarySubImageSeq)
        //{
        //    vtkImageData ImageData1 = new vtkImageData();
        //    ImageData1.SetDimensions(BinarySubImageSeq.Width, BinarySubImageSeq.Height, BinarySubImageSeq.Depth);
        //    ImageData1.SetNumberOfScalarComponents(1);
        //    ImageData1.SetSpacing(BinarySubImageSeq.XResolution, BinarySubImageSeq.YResolution, BinarySubImageSeq.ZResolution);
        //    ImageData1.SetScalarTypeToFloat();
        //    vtkFloatArray array1 = new vtkFloatArray();
        //    for (int i = 0; i < BinarySubImageSeq.ImageSize; i++)
        //        array1.InsertTuple1(i, BinarySubImageSeq[0].Data[0][i]);
        //    ImageData1.GetPointData().SetScalars(array1);
        //    vtkExtractVOI VOI = new vtkExtractVOI();
        //    VOI.SetInput(ImageData1);
        //    VOI.SetSampleRate(1, 1, 1);
        //    vtkMarchingCubes ContourObject = vtkMarchingCubes.New();
        //    vtk_PolyDataMapper = vtkPolyDataMapper.New();
        //    //ContourActor = new vtkActor();
        //    VOI.SetVOI(0, BinarySubImageSeq.Width - 1, 0, BinarySubImageSeq.Height - 1, 0, BinarySubImageSeq.Depth - 1);
        //    ContourObject.SetInput(VOI.GetOutput());
        //    ContourObject.SetValue(0, 0.5);
        //    vtk_PolyDataMapper.SetInput(ContourObject.GetOutput());
        //    vtk_PolyDataMapper.ScalarVisibilityOn();
        //    vtk_PolyDataMapper.SetScalarModeToUseFieldData();
        //}
        ///// <summary>
        ///// Generate a 3D mesh using marching-cubes algorithm. If voxel value is lower than 1 it is consider as background, else as object
        ///// </summary>
        ///// <param name="BinarySubImageSeq">The binary image</param>
        ///// <param name="Colour">Mesh color</param>
        ///// <param name="Pos">Postion of the object in the world</param>
        //public void Generate(Sequence BinarySubImageSeq, Color Colour, cPoint3D Pos)
        //{
        //    vtkImageData ImageData1 = new vtkImageData();
        //    ImageData1.SetDimensions(BinarySubImageSeq.Width, BinarySubImageSeq.Height, BinarySubImageSeq.Depth);
        //    ImageData1.SetNumberOfScalarComponents(1);
        //    ImageData1.SetSpacing(BinarySubImageSeq.XResolution, BinarySubImageSeq.YResolution, BinarySubImageSeq.ZResolution);
        //    ImageData1.SetScalarTypeToFloat();
        //    vtkFloatArray array1 = new vtkFloatArray();
        //    for (int i = 0; i < BinarySubImageSeq.ImageSize; i++)
        //        array1.InsertTuple1(i, BinarySubImageSeq[0].Data[0][i]);
        //    ImageData1.GetPointData().SetScalars(array1);
        //    vtkExtractVOI VOI = new vtkExtractVOI();
        //    VOI.SetInput(ImageData1);
        //    VOI.SetSampleRate(1, 1, 1);
        //    vtkMarchingCubes ContourObject = vtkMarchingCubes.New();
        //    vtk_PolyDataMapper = vtkPolyDataMapper.New();
        //    //ContourActor = new vtkActor();
        //    VOI.SetVOI(0, BinarySubImageSeq.Width - 1, 0, BinarySubImageSeq.Height - 1, 0, BinarySubImageSeq.Depth - 1);
        //    // perform the amrching cubes
        //    ContourObject.SetInput(VOI.GetOutput());
        //    ContourObject.SetValue(0, 0.5);
        //    //vtkDecimatePro deci
        //    //deci SetInputConnection [fran GetOutputPort]
        //    //deci SetTargetReduction 0.9
        //    //deci PreserveTopologyOn
        //    if (MeshSmoother!=null)
        //    {
        //        vtkSmoothPolyDataFilter smoother = new vtkSmoothPolyDataFilter();
        //        smoother.SetInputConnection(ContourObject.GetOutputPort());// [deci GetOutputPort]
        //        smoother.SetNumberOfIterations(50);
        //        vtk_PolyData = smoother.GetOutput();
        //    }
        //    else
        //    {
        //        vtk_PolyData = ContourObject.GetOutput();
        //    }
        //    vtk_PolyDataMapper.SetInput(vtk_PolyData);
        //    vtk_PolyDataMapper.ScalarVisibilityOn();
        //    vtk_PolyDataMapper.SetScalarModeToUseFieldData();
        //    this.Position = new cPoint3D(Pos.X, Pos.Y, Pos.Z);
        //    this.Colour = Colour;
        //    CreateVTK3DObject(1);
        //    vtk_PolyData = ContourObject.GetOutput();
        //    // compute convex hull
        //    hullFilter = vtkHull.New();
        //    hullFilter.SetInputConnection(ContourObject.GetOutputPort());
        //    hullFilter.AddRecursiveSpherePlanes(1);
        //    hullFilter.Update();
        //    //  this.BackfaceCulling(false);
        //    Information = new cInformation(ContourObject, this, hullFilter);
        //}
        public void Generate(cImage BinarySubImageSeq, Color Colour, cPoint3D Pos/*, List<cBiological3DObject> Containers, int ContainerMode*/)
        {
            vtkImageData ImageData1 = new vtkImageData();

            ImageData1.SetDimensions(BinarySubImageSeq.Width, BinarySubImageSeq.Height, BinarySubImageSeq.Depth);
            ImageData1.SetNumberOfScalarComponents(1);
            ImageData1.SetSpacing(BinarySubImageSeq.Resolution.X, BinarySubImageSeq.Resolution.Y, BinarySubImageSeq.Resolution.Z);
            ImageData1.SetScalarTypeToFloat();

            vtkFloatArray array1 = new vtkFloatArray();
            for (int i = 0; i < BinarySubImageSeq.ImageSize; i++)
                array1.InsertTuple1(i, BinarySubImageSeq.SingleChannelImage[0].Data[i]);
            ImageData1.GetPointData().SetScalars(array1);

            vtkExtractVOI VOI = new vtkExtractVOI();
            VOI.SetInput(ImageData1);
            VOI.SetSampleRate(1, 1, 1);

            vtkMarchingCubes ContourObject = vtkMarchingCubes.New();
            vtk_PolyDataMapper = vtkPolyDataMapper.New();
            //ContourActor = new vtkActor();

            VOI.SetVOI(0, BinarySubImageSeq.Width - 1, 0, BinarySubImageSeq.Height - 1, 0, BinarySubImageSeq.Depth - 1);
            ContourObject.SetInput(VOI.GetOutput());
            ContourObject.SetValue(0, 0.5);

            vtkAlgorithmOutput AlgoOutPut = null;

            if (MeshSmoother != null)
            {
                //vtkSmoothPolyDataFilter smoother = new vtkSmoothPolyDataFilter();
                vtkWindowedSincPolyDataFilter smoother = new vtkWindowedSincPolyDataFilter();
                smoother.SetInputConnection(ContourObject.GetOutputPort());// [deci GetOutputPort]
                smoother.SetNumberOfIterations(MeshSmoother.NumberOfIterations);
                vtk_PolyData = smoother.GetOutput();
                //smoother.GetOutputPort();
                AlgoOutPut = smoother.GetOutputPort();
            }
            else
            {
                vtk_PolyData = ContourObject.GetOutput();
                AlgoOutPut = ContourObject.GetOutputPort();
            }

            vtk_PolyDataMapper.SetInput(vtk_PolyData);
            vtk_PolyDataMapper.ScalarVisibilityOn();
            vtk_PolyDataMapper.SetScalarModeToUseFieldData();

            vtkActor TmpActor = vtkActor.New();
            TmpActor.SetMapper(vtk_PolyDataMapper);
            TmpActor.SetPosition(Pos.X, Pos.Y, Pos.Z);

            //Console.WriteLine("PosX"+Pos.X+" PosY"+Pos.Y+" PosZ"+Pos.Z);

            #region deal with the containers

            if (this.Containers != null)
            {
                if (this.Containers.ContainerMode == 0)
                {
                    cPoint3D Centroid = new cPoint3D((float)TmpActor.GetCenter()[0], (float)TmpActor.GetCenter()[1], (float)TmpActor.GetCenter()[2]);
                    bool IsInside = false;

                    for (int Idx = 0; Idx < Containers.Containers.Count; Idx++)
                    {
                        cBiological3DVolume CurrentContainer = (cBiological3DVolume)(Containers.Containers[Idx]);

                        if (CurrentContainer.IsPointInside(Centroid))
                        {
                            IsInside = true;
                            ContainerIdx = Idx;
                            break;
                        }
                    }
                    if (IsInside)
                    {
                        this.SetPosition(new cPoint3D(Pos.X, Pos.Y, Pos.Z));
                        this.Colour = Colour;
                        CreateVTK3DObject(1);
                        //   vtk_PolyData = ContourObject.GetOutput();

                        // compute convex hull
                        hullFilter = vtkHull.New();
                        hullFilter.SetInputConnection(AlgoOutPut);
                        hullFilter.AddRecursiveSpherePlanes(0);
                        hullFilter.Update();

                        Information = new cInformation(AlgoOutPut, this, hullFilter);
                        this.Detected = true;
                    }
                    else
                    {
                        this.Detected = false;
                    }
                }
                else if (Containers.ContainerMode == 1)
                {
                    this.Detected = true;
                    //bool IsInside = false;
                    for (int Idx = 0; Idx < Containers.Containers.Count; Idx++)
                    {
                        cBiological3DVolume CurrentContainer = (cBiological3DVolume)(Containers.Containers[Idx]);

                        if (CurrentContainer.IsPointInside(Pos))
                        {
                            //IsInside = false;
                            this.Detected = false;
                            return;
                        }
                    }
                    this.SetPosition(new cPoint3D(Pos.X, Pos.Y, Pos.Z));
                    this.Colour = Colour;

                    CreateVTK3DObject(1);
                    // vtk_PolyData = ContourObject.GetOutput();

                    // compute convex hull
                    hullFilter = vtkHull.New();
                    hullFilter.SetInputConnection(AlgoOutPut);
                    hullFilter.AddRecursiveSpherePlanes(0);
                    hullFilter.Update();

                    Information = new cInformation(AlgoOutPut, this, hullFilter);
                    this.Detected = true;
                }
            }
            else
            {
                this.SetPosition(new cPoint3D(Pos.X, Pos.Y, Pos.Z));
                this.Colour = Colour;

                CreateVTK3DObject(1);

                //  vtk_PolyData = ContourObject.GetOutput();

                // compute convex hull
                hullFilter = vtkHull.New();
                hullFilter.SetInputConnection(AlgoOutPut);
                hullFilter.AddRecursiveSpherePlanes(1);
                hullFilter.Update();

                //  this.BackfaceCulling(false);
                Information = new cInformation(AlgoOutPut, this, hullFilter);

            }

            #endregion
        }