/// <summary> /// A console application that creates a /// vtkRenderWindow without a Windows Form /// </summary> /// <param name="argv"></param> public static void Main(String[] argv) { // Demonstrate how to use the vtkBoxWidget 3D widget, // This script uses a 3D box widget to define a "clipping box" to clip some // simple geometry (a mace). Make sure that you hit the "W" key to activate the widget. // Create a mace out of filters. sphere = vtkSphereSource.New(); cone = vtkConeSource.New(); glyph = vtkGlyph3D.New(); glyph.SetInputConnection(sphere.GetOutputPort()); glyph.SetSource(cone.GetOutput()); glyph.SetVectorModeToUseNormal(); glyph.SetScaleModeToScaleByVector(); glyph.SetScaleFactor(0.25); // The sphere and spikes are appended into a single polydata. This just makes things // simpler to manage. apd = vtkAppendPolyData.New(); apd.AddInput(glyph.GetOutput()); apd.AddInput(sphere.GetOutput()); maceMapper = vtkPolyDataMapper.New(); maceMapper.SetInputConnection(apd.GetOutputPort()); maceActor = vtkLODActor.New(); maceActor.SetMapper(maceMapper); maceActor.VisibilityOn(); // This portion of the code clips the mace with the vtkPlanes implicit function. // The clipped region is colored green. planes = vtkPlanes.New(); clipper = vtkClipPolyData.New(); clipper.SetInputConnection(apd.GetOutputPort()); clipper.SetClipFunction(planes); clipper.InsideOutOn(); selectMapper = vtkPolyDataMapper.New(); selectMapper.SetInputConnection(clipper.GetOutputPort()); selectActor = vtkLODActor.New(); selectActor.SetMapper(selectMapper); selectActor.GetProperty().SetColor(0, 1, 0); selectActor.VisibilityOff(); selectActor.SetScale(1.01, 1.01, 1.01); // Create the RenderWindow, Renderer and both Actors ren1 = vtkRenderer.New(); renWin = vtkRenderWindow.New(); renWin.AddRenderer(ren1); iren = vtkRenderWindowInteractor.New(); iren.SetRenderWindow(renWin); // The SetInteractor method is how 3D widgets are associated with the render // window interactor. Internally, SetInteractor sets up a bunch of callbacks // using the Command/Observer mechanism (AddObserver()). boxWidget = vtkBoxWidget.New(); boxWidget.SetInteractor(iren); boxWidget.SetPlaceFactor(1.25); ren1.AddActor(maceActor); ren1.AddActor(selectActor); // Add the actors to the renderer, set the background and size ren1.SetBackground(0.1, 0.2, 0.4); renWin.SetSize(300, 300); // Place the interactor initially. The input to a 3D widget is used to // initially position and scale the widget. The EndInteractionEvent is // observed which invokes the SelectPolygons callback. boxWidget.SetInput(glyph.GetOutput()); boxWidget.PlaceWidget(); boxWidget.EndInteractionEvt += new vtkObject.vtkObjectEventHandler(SelectPolygons); // render the image iren.Initialize(); iren.Start(); //Clean up deleteAllVTKObjects(); }