private void CreateScalarBar() { // Initialize ScalarBar actor ScalarBar = vtkScalarBarActor.New(); ScalarBar.SetLookupTable(colorLookupTable); // Assign default number of colors and label format ScalarBar.SetNumberOfLabels(10); ScalarBar.SetLabelFormat("%.2e"); TextProp = vtkTextProperty.New(); TextProp.SetFontSize(12); TextProp.SetBold(0); TextProp.SetFontFamilyToArial(); TextProp.ItalicOff(); TextProp.SetJustificationToLeft(); TextProp.SetVerticalJustificationToBottom(); TextProp.ShadowOff(); TextProp.SetColor(1, 1, 1); ScalarBar.SetTitleTextProperty(TextProp); ScalarBar.SetLabelTextProperty(TextProp); // Assign default size of Scalar Bar ScalarBar.SetMaximumWidthInPixels(120); ScalarBar.SetPosition(0.015, 0.10); ScalarBar.SetPosition2(0.16, 0.90); //Hide ScalarBar ScalarBar.VisibilityOff(); //Add to Viewport Viewport.AddActor2D(ScalarBar); }
/// <summary> /// Initialize the render windows /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void Form1_Activated(object sender, EventArgs e) { //do this once on startup if (!rabbitLoaded) { //load the model loadRabbit(); //Create the pipeline updateAnimal(); //get the left renderer vtkRenderer ren = renderWindowControl1.RenderWindow.GetRenderers().GetFirstRenderer(); //add full poly actors and text ren.AddActor(textBefore); ren.AddActor(eyeActor1); ren.AddActor(eyeActor2); ren.AddActor(animalActor); //look at the head of the rabbit updateCamera(ren); //get the right renderer ren = renderWindowControl2.RenderWindow.GetRenderers().GetFirstRenderer(); //add decimated actors and text ren.AddActor2D(textAfter); ren.AddActor(deciEyeActor1); ren.AddActor(deciEyeActor2); ren.AddActor(deciAnimalActor); //look at the head of the rabbit updateCamera(ren); //Add Handlers renderWindowControl1.RenderWindow.GetRenderers().GetFirstRenderer().GetActiveCamera().ModifiedEvt += new vtkObject.vtkObjectEventHandler(Camera1_Modified); renderWindowControl2.RenderWindow.GetRenderers().GetFirstRenderer().GetActiveCamera().ModifiedEvt += new vtkObject.vtkObjectEventHandler(Camera2_Modified); * / } }
static void Main(string[] args) { // create a sphere source, mapper, and actor vtkSphereSource sphere = new vtkSphereSource(); vtkPolyDataMapper sphereMapper = new vtkPolyDataMapper(); sphereMapper.SetInputConnection(sphere.GetOutputPort()); vtkPolyDataMapper.GlobalImmediateModeRenderingOn(); vtkLODActor sphereActor = new vtkLODActor(); sphereActor.SetMapper(sphereMapper); // create the spikes by glyphing the sphere with a cone. Create the // mapper and actor for the glyphs. vtkConeSource cone = new vtkConeSource(); vtkGlyph3D glyph = new vtkGlyph3D(); glyph.SetInputConnection(sphere.GetOutputPort()); glyph.SetSource(cone.GetOutput()); glyph.SetVectorModeToUseNormal(); glyph.SetScaleModeToScaleByVector(); glyph.SetScaleFactor(0.25); vtkPolyDataMapper spikeMapper = new vtkPolyDataMapper(); spikeMapper.SetInputConnection(glyph.GetOutputPort()); vtkLODActor spikeActor = new vtkLODActor(); spikeActor.SetMapper(spikeMapper); // Create a text mapper and actor to display the results of picking. vtkTextMapper textMapper = new vtkTextMapper(); vtkTextProperty tprop = textMapper.GetTextProperty(); tprop.SetFontFamilyToArial(); tprop.SetFontSize(10); tprop.BoldOn(); tprop.ShadowOn(); tprop.SetColor(1, 0, 0); vtkActor2D textActor = new vtkActor2D(); textActor.VisibilityOff(); textActor.SetMapper(textMapper); // Create a cell picker. vtkCellPicker picker = new vtkCellPicker(); PickData pd = new PickData(); pd.textActor = textActor; pd.textMapper = textMapper; vtkDotNetCallback cb = new vtkDotNetCallback(pd.annotatePickCallback); // Now at the end of the pick event call the above function. picker.AddObserver((uint) EventIds.EndPickEvent, cb); // Create the Renderer, RenderWindow, etc. and set the Picker. vtkRenderer ren = new vtkRenderer(); vtkRenderWindow renWin = new vtkRenderWindow(); renWin.AddRenderer(ren); vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor(); iren.SetRenderWindow(renWin); iren.SetPicker(picker); // Add the actors to the renderer, set the background and size ren.AddActor2D(textActor); ren.AddActor(sphereActor); ren.AddActor(spikeActor); ren.SetBackground(1, 1, 1); renWin.SetSize(300, 300); // Get the camera and zoom in closer to the image. ren.ResetCamera(); vtkCamera cam1 = ren.GetActiveCamera(); cam1.Zoom(1.4); iren.Initialize(); // Initially pick the cell at this location. picker.Pick(85, 126, 0, ren); renWin.Render(); iren.Start(); vtkWin32OpenGLRenderWindow win32win = vtkWin32OpenGLRenderWindow.SafeDownCast(renWin); if (null != win32win) win32win.Clean(); }
/// <summary> /// The main entry method called by the CSharp driver /// </summary> /// <param name="argv"></param> public static void AVlabeledContours(String [] argv) { //Prefix Content is: "" // demonstrate labeling of contour with scalar value[] // Create the RenderWindow, Renderer and both Actors[] //[] ren1 = vtkRenderer.New(); renWin = vtkRenderWindow.New(); renWin.SetMultiSamples(0); renWin.AddRenderer((vtkRenderer)ren1); iren = new vtkRenderWindowInteractor(); iren.SetRenderWindow((vtkRenderWindow)renWin); // Read a slice and contour it[] v16 = new vtkVolume16Reader(); v16.SetDataDimensions((int)64,(int)64); v16.GetOutput().SetOrigin((double)0.0,(double)0.0,(double)0.0); v16.SetDataByteOrderToLittleEndian(); v16.SetFilePrefix((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/headsq/quarter"); v16.SetImageRange((int)45,(int)45); v16.SetDataSpacing((double)3.2,(double)3.2,(double)1.5); iso = new vtkContourFilter(); iso.SetInputConnection((vtkAlgorithmOutput)v16.GetOutputPort()); iso.GenerateValues((int)6,(double)500,(double)1150); iso.Update(); numPts = iso.GetOutput().GetNumberOfPoints(); isoMapper = vtkPolyDataMapper.New(); isoMapper.SetInputConnection((vtkAlgorithmOutput)iso.GetOutputPort()); isoMapper.ScalarVisibilityOn(); isoMapper.SetScalarRange((double)((vtkDataSet)iso.GetOutput()).GetScalarRange()[0],(double)((vtkDataSet)iso.GetOutput()).GetScalarRange()[1]); isoActor = new vtkActor(); isoActor.SetMapper((vtkMapper)isoMapper); // Subsample the points and label them[] mask = new vtkMaskPoints(); mask.SetInputConnection((vtkAlgorithmOutput)iso.GetOutputPort()); mask.SetOnRatio((int)(numPts/50)); mask.SetMaximumNumberOfPoints((int)50); mask.RandomModeOn(); // Create labels for points - only show visible points[] visPts = new vtkSelectVisiblePoints(); visPts.SetInputConnection((vtkAlgorithmOutput)mask.GetOutputPort()); visPts.SetRenderer((vtkRenderer)ren1); ldm = new vtkLabeledDataMapper(); ldm.SetInputConnection((vtkAlgorithmOutput)mask.GetOutputPort()); // ldm SetLabelFormat "%g"[] ldm.SetLabelModeToLabelScalars(); tprop = ldm.GetLabelTextProperty(); tprop.SetFontFamilyToArial(); tprop.SetFontSize((int)10); tprop.SetColor((double)1,(double)0,(double)0); contourLabels = new vtkActor2D(); contourLabels.SetMapper((vtkMapper2D)ldm); // Add the actors to the renderer, set the background and size[] //[] ren1.AddActor2D((vtkProp)isoActor); ren1.AddActor2D((vtkProp)contourLabels); ren1.SetBackground((double)1,(double)1,(double)1); renWin.SetSize((int)500,(int)500); renWin.Render(); ren1.GetActiveCamera().Zoom((double)1.5); // render the image[] //[] // prevent the tk window from showing up then start the event loop[] //deleteAllVTKObjects(); }
private void renderWindowControl1_Load(object sender, EventArgs e) { // Create components of the rendering subsystem // vtkRenderer ren1 = renderWindowControl1.RenderWindow.GetRenderers().GetFirstRenderer(); vtkRenderWindow renWin = renderWindowControl1.RenderWindow; renWin.SetSize((int)paras.Height, (int)paras.Width); // Add the actors to the renderer, set the window size // vtkPoints points = vtkPoints.New(); vtkCellArray polys = vtkCellArray.New(); vtkFloatArray scalars = vtkFloatArray.New(); vtkLookupTable Luk = vtkLookupTable.New(); if (paras.Using3DTower == 1) { vtkActor actor1 = new vtkActor(); vtkActor2D actor2D = new vtkActor2D(); if (paras.StageID != -1) { if (paras.UsingEdges == 1) { MessageBox.Show("单元显示无法使用"); } else { BasicVTKBuilder(ref actor1, ref points, ref polys, ref scalars, ref Luk, ref actor2D); ren1.AddActor(actor1); ren1.AddActor2D(actor2D); vtkActor2D textActor = new vtkActor2D(); VTKInfoBuilder(ref textActor); ren1.AddActor2D(textActor); } } else { if (paras.UsingEdges == 1) { ExtractEdgesVTKBuilderWithoutRunning(ref actor1, ref points, ref polys, ref scalars, ref Luk); } else { BasicVTKBuilderWithoutRunning(ref actor1, ref points, ref polys, ref scalars, ref Luk); } ren1.AddActor(actor1); } } if (paras.UsingVirtualHeater == 1) { //MessageBox.Show("!"); vtkActor2D actor2 = VirtualHeaterVTKBuilder(); ren1.AddActor(actor2); } renWin.Render(); vtkCamera camera = ren1.GetActiveCamera(); //camera.ParallelProjectionOn(); //camera.Elevation(20); int[] camera_pos = new int[3]; if (paras.globalEnv == 1) { camera_pos[1] = -70; } else { camera_pos[1] = -80; } if (paras.RotateAngle == 0) { camera_pos[1] = -camera_pos[1]; camera_pos[0] = camera_pos[2] = 0; camera.SetRoll(-2); } else if (paras.RotateAngle == 180) { camera_pos[0] = camera_pos[2] = 0; camera.SetRoll(180); } else if (paras.RotateAngle == 90) { double r = (double)Math.Abs(camera_pos[1]); camera_pos[0] = (int)(-r * 0.707); camera_pos[1] = (int)(-r * 0.707); camera_pos[2] = 0; camera.SetRoll(225); } else if (paras.RotateAngle == 270) { double r = (double)Math.Abs(camera_pos[1]); camera_pos[0] = (int)(r * 0.707); camera_pos[1] = (int)(-r * 0.707); camera_pos[2] = 0; camera.SetRoll(135); } camera.SetPosition((double)camera_pos[0], (double)camera_pos[1], (double)camera_pos[2]); //camera.Yaw(10); camera.Elevation(1); camera.ParallelProjectionOn(); camera.Zoom(0.9); StoredViewCamera = new List <vtkCamera>(); for (int i = 0; i < 3; i++) { vtkCamera ViewCamera = new vtkCamera(); if (i == 0) { ViewCamera.SetPosition(camera.GetPosition()[0], camera.GetPosition()[1], camera.GetPosition()[2]); ViewCamera.SetRoll(camera.GetRoll()); } else if (i == 1) { ViewCamera.SetPosition(80, 0, 0); ViewCamera.SetRoll(180); } else if (i == 2) { ViewCamera.SetPosition(0, 0, -80); ViewCamera.SetRoll(camera.GetRoll()); } ViewCamera.SetFocalPoint(camera.GetFocalPoint()[0], camera.GetFocalPoint()[1], camera.GetFocalPoint()[2]); ViewCamera.SetViewUp(camera.GetViewUp()[0], camera.GetViewUp()[1], camera.GetViewUp()[2]); StoredViewCamera.Add(ViewCamera); } //camera.Zoom(1.5); }
void Test2() { int xmin = 0; int xlength = 1000; int xmax = xmin + xlength; int ymin = 0; int ylength = 1000; int ymax = ymin + ylength; #region 定义显示的rectActor vtkPoints pts = vtkPoints.New(); pts.InsertPoint(0, xmin, ymin, 0); pts.InsertPoint(1, xmax, ymin, 0); pts.InsertPoint(2, xmax, ymax, 0); pts.InsertPoint(3, xmin, ymax, 0); vtkCellArray rect = vtkCellArray.New(); rect.InsertNextCell(5); rect.InsertCellPoint(0); rect.InsertCellPoint(1); rect.InsertCellPoint(2); rect.InsertCellPoint(3); rect.InsertCellPoint(0); vtkPolyData selectRect = vtkPolyData.New(); selectRect.SetPoints(pts); selectRect.SetLines(rect); vtkPolyDataMapper2D rectMapper = vtkPolyDataMapper2D.New(); rectMapper.SetInput(selectRect); vtkActor2D rectActor = vtkActor2D.New(); rectActor.SetMapper(rectMapper); #endregion vtkSphereSource sphere = vtkSphereSource.New(); vtkPolyDataMapper sphereMapper = vtkPolyDataMapper.New(); sphereMapper.SetInputConnection(sphere.GetOutputPort()); // sphereMapper.SetImmediateModeRendering(1); vtkActor sphereActor = vtkActor.New(); sphereActor.SetMapper(sphereMapper); vtkIdFilter ids = vtkIdFilter.New(); ids.SetInputConnection(sphere.GetOutputPort()); ids.PointIdsOn(); ids.CellIdsOn(); ids.FieldDataOn(); #region 设置要显示的点的及其label vtkSelectVisiblePoints visPts = vtkSelectVisiblePoints.New(); visPts.SetInputConnection(ids.GetOutputPort()); visPts.SetRenderer(m_render); visPts.SelectionWindowOn(); visPts.SetSelection(xmin, xmin + xlength, ymin, ymin + ylength); vtkLabeledDataMapper pointsMapper = vtkLabeledDataMapper.New(); pointsMapper.SetInputConnection(visPts.GetOutputPort()); pointsMapper.SetLabelModeToLabelFieldData(); pointsMapper.GetLabelTextProperty().SetColor(0, 255, 0); pointsMapper.GetLabelTextProperty().BoldOff(); vtkActor2D pointLabels = vtkActor2D.New(); pointLabels.SetMapper(pointsMapper); #endregion #region 设置要显示的cell的id及其label vtkCellCenters cc = vtkCellCenters.New(); cc.SetInputConnection(ids.GetOutputPort()); vtkSelectVisiblePoints visCells = vtkSelectVisiblePoints.New(); visCells.SetInputConnection(cc.GetOutputPort()); visCells.SetRenderer(m_render); visCells.SelectionWindowOn(); visCells.SetSelection(xmin, xmin + xlength, ymin, ymin + ylength); ///显示每个Cell的id vtkLabeledDataMapper cellMapper = vtkLabeledDataMapper.New(); cellMapper.SetInputConnection(visCells.GetOutputPort()); cellMapper.SetLabelModeToLabelFieldData(); cellMapper.GetLabelTextProperty().SetColor(255, 0, 0); vtkActor2D cellLabels = vtkActor2D.New(); cellLabels.SetMapper(cellMapper); #endregion m_render.AddActor(sphereActor); m_render.AddActor2D(rectActor); m_render.AddActor2D(pointLabels); // m_render.AddActor2D(cellLabels); }
/// <summary> /// The main entry method called by the CSharp driver /// </summary> /// <param name="argv"></param> public static void AVHyperScalarBar(String [] argv) { //Prefix Content is: "" // Test the scalar bar actor using a logarithmic lookup table[] //[] VTK_INTEGRATE_BOTH_DIRECTIONS = 2; //[] // generate tensors[] ptLoad = new vtkPointLoad(); ptLoad.SetLoadValue((double)100.0); ptLoad.SetSampleDimensions((int)20,(int)20,(int)20); ptLoad.ComputeEffectiveStressOn(); ptLoad.SetModelBounds((double)-10,(double)10,(double)-10,(double)10,(double)-10,(double)10); // Generate hyperstreamlines[] s1 = new vtkHyperStreamline(); s1.SetInputConnection((vtkAlgorithmOutput)ptLoad.GetOutputPort()); s1.SetStartPosition((double)9,(double)9,(double)-9); s1.IntegrateMinorEigenvector(); s1.SetMaximumPropagationDistance((double)18.0); s1.SetIntegrationStepLength((double)0.1); s1.SetStepLength((double)0.01); s1.SetRadius((double)0.25); s1.SetNumberOfSides((int)18); s1.SetIntegrationDirection((int)VTK_INTEGRATE_BOTH_DIRECTIONS); s1.Update(); // Map hyperstreamlines[] lut = new vtkLogLookupTable(); lut.SetHueRange((double).6667,(double)0.0); scalarBar = new vtkScalarBarActor(); scalarBar.SetLookupTable((vtkScalarsToColors)lut); scalarBar.SetTitle((string)"Stress"); scalarBar.GetPositionCoordinate().SetCoordinateSystemToNormalizedViewport(); scalarBar.GetPositionCoordinate().SetValue((double)0.1,(double)0.05); scalarBar.SetOrientationToVertical(); scalarBar.SetWidth((double)0.1); scalarBar.SetHeight((double)0.9); scalarBar.SetPosition((double)0.01,(double)0.1); scalarBar.SetLabelFormat((string)"%-#6.3f"); scalarBar.GetLabelTextProperty().SetColor((double)1,(double)0,(double)0); scalarBar.GetTitleTextProperty().SetColor((double)1,(double)0,(double)0); s1Mapper = vtkPolyDataMapper.New(); s1Mapper.SetInputConnection((vtkAlgorithmOutput)s1.GetOutputPort()); s1Mapper.SetLookupTable((vtkScalarsToColors)lut); ptLoad.Update(); //force update for scalar range[] s1Mapper.SetScalarRange((double)((vtkDataSet)ptLoad.GetOutput()).GetScalarRange()[0],(double)((vtkDataSet)ptLoad.GetOutput()).GetScalarRange()[1]); s1Actor = new vtkActor(); s1Actor.SetMapper((vtkMapper)s1Mapper); s2 = new vtkHyperStreamline(); s2.SetInputConnection((vtkAlgorithmOutput)ptLoad.GetOutputPort()); s2.SetStartPosition((double)-9,(double)-9,(double)-9); s2.IntegrateMinorEigenvector(); s2.SetMaximumPropagationDistance((double)18.0); s2.SetIntegrationStepLength((double)0.1); s2.SetStepLength((double)0.01); s2.SetRadius((double)0.25); s2.SetNumberOfSides((int)18); s2.SetIntegrationDirection((int)VTK_INTEGRATE_BOTH_DIRECTIONS); s2.Update(); s2Mapper = vtkPolyDataMapper.New(); s2Mapper.SetInputConnection((vtkAlgorithmOutput)s2.GetOutputPort()); s2Mapper.SetLookupTable((vtkScalarsToColors)lut); s2Mapper.SetScalarRange((double)((vtkDataSet)ptLoad.GetOutput()).GetScalarRange()[0],(double)((vtkDataSet)ptLoad.GetOutput()).GetScalarRange()[1]); s2Actor = new vtkActor(); s2Actor.SetMapper((vtkMapper)s2Mapper); s3 = new vtkHyperStreamline(); s3.SetInputConnection((vtkAlgorithmOutput)ptLoad.GetOutputPort()); s3.SetStartPosition((double)9,(double)-9,(double)-9); s3.IntegrateMinorEigenvector(); s3.SetMaximumPropagationDistance((double)18.0); s3.SetIntegrationStepLength((double)0.1); s3.SetStepLength((double)0.01); s3.SetRadius((double)0.25); s3.SetNumberOfSides((int)18); s3.SetIntegrationDirection((int)VTK_INTEGRATE_BOTH_DIRECTIONS); s3.Update(); s3Mapper = vtkPolyDataMapper.New(); s3Mapper.SetInputConnection((vtkAlgorithmOutput)s3.GetOutputPort()); s3Mapper.SetLookupTable((vtkScalarsToColors)lut); s3Mapper.SetScalarRange((double)((vtkDataSet)ptLoad.GetOutput()).GetScalarRange()[0],(double)((vtkDataSet)ptLoad.GetOutput()).GetScalarRange()[1]); s3Actor = new vtkActor(); s3Actor.SetMapper((vtkMapper)s3Mapper); s4 = new vtkHyperStreamline(); s4.SetInputConnection((vtkAlgorithmOutput)ptLoad.GetOutputPort()); s4.SetStartPosition((double)-9,(double)9,(double)-9); s4.IntegrateMinorEigenvector(); s4.SetMaximumPropagationDistance((double)18.0); s4.SetIntegrationStepLength((double)0.1); s4.SetStepLength((double)0.01); s4.SetRadius((double)0.25); s4.SetNumberOfSides((int)18); s4.SetIntegrationDirection((int)VTK_INTEGRATE_BOTH_DIRECTIONS); s4.Update(); s4Mapper = vtkPolyDataMapper.New(); s4Mapper.SetInputConnection((vtkAlgorithmOutput)s4.GetOutputPort()); s4Mapper.SetLookupTable((vtkScalarsToColors)lut); s4Mapper.SetScalarRange((double)((vtkDataSet)ptLoad.GetOutput()).GetScalarRange()[0],(double)((vtkDataSet)ptLoad.GetOutput()).GetScalarRange()[1]); s4Actor = new vtkActor(); s4Actor.SetMapper((vtkMapper)s4Mapper); // plane for context[] //[] g = new vtkImageDataGeometryFilter(); g.SetInputConnection((vtkAlgorithmOutput)ptLoad.GetOutputPort()); g.SetExtent((int)0,(int)100,(int)0,(int)100,(int)0,(int)0); g.Update(); //for scalar range[] gm = vtkPolyDataMapper.New(); gm.SetInputConnection((vtkAlgorithmOutput)g.GetOutputPort()); gm.SetScalarRange((double)((vtkImageDataGeometryFilter)g).GetOutput().GetScalarRange()[0], (double)((vtkImageDataGeometryFilter)g).GetOutput().GetScalarRange()[1]); ga = new vtkActor(); ga.SetMapper((vtkMapper)gm); // Create outline around data[] //[] outline = new vtkOutlineFilter(); outline.SetInputConnection((vtkAlgorithmOutput)ptLoad.GetOutputPort()); outlineMapper = vtkPolyDataMapper.New(); outlineMapper.SetInputConnection((vtkAlgorithmOutput)outline.GetOutputPort()); outlineActor = new vtkActor(); outlineActor.SetMapper((vtkMapper)outlineMapper); outlineActor.GetProperty().SetColor((double)0,(double)0,(double)0); // Create cone indicating application of load[] //[] coneSrc = new vtkConeSource(); coneSrc.SetRadius((double).5); coneSrc.SetHeight((double)2); coneMap = vtkPolyDataMapper.New(); coneMap.SetInputConnection((vtkAlgorithmOutput)coneSrc.GetOutputPort()); coneActor = new vtkActor(); coneActor.SetMapper((vtkMapper)coneMap); coneActor.SetPosition((double)0,(double)0,(double)11); coneActor.RotateY((double)90); coneActor.GetProperty().SetColor((double)1,(double)0,(double)0); // Create the rendering infrastructure[] //[] ren1 = vtkRenderer.New(); renWin = vtkRenderWindow.New(); renWin.AddRenderer((vtkRenderer)ren1); iren = new vtkRenderWindowInteractor(); iren.SetRenderWindow((vtkRenderWindow)renWin); camera = new vtkCamera(); camera.SetFocalPoint((double)0.113766,(double)-1.13665,(double)-1.01919); camera.SetPosition((double)-29.4886,(double)-63.1488,(double)26.5807); camera.SetViewAngle((double)24.4617); camera.SetViewUp((double)0.17138,(double)0.331163,(double)0.927879); camera.SetClippingRange((double)1,(double)100); ren1.AddActor2D((vtkProp)scalarBar); ren1.AddActor((vtkProp)s1Actor); ren1.AddActor((vtkProp)s2Actor); ren1.AddActor((vtkProp)s3Actor); ren1.AddActor((vtkProp)s4Actor); ren1.AddActor((vtkProp)outlineActor); ren1.AddActor((vtkProp)coneActor); ren1.AddActor((vtkProp)ga); ren1.SetBackground((double)1.0,(double)1.0,(double)1.0); ren1.SetActiveCamera((vtkCamera)camera); renWin.SetSize((int)300,(int)300); renWin.Render(); // prevent the tk window from showing up then start the event loop[] //deleteAllVTKObjects(); }