static void Main(string[] args) { // // Next we create an instance of vtkConeSource and set some of its // properties. The instance of vtkConeSource "cone" is part of a visualization // pipeline (it is a source process object); it produces data (output type is // vtkPolyData) which other filters may process. // vtkConeSource cone = new vtkConeSource(); cone.SetHeight( 3.0f ); cone.SetRadius( 1.0f ); cone.SetResolution( 10 ); // // In this example we terminate the pipeline with a mapper process object. // (Intermediate filters such as vtkShrinkPolyData could be inserted in // between the source and the mapper.) We create an instance of // vtkPolyDataMapper to map the polygonal data into graphics primitives. We // connect the output of the cone souece to the input of this mapper. // vtkPolyDataMapper coneMapper = new vtkPolyDataMapper(); coneMapper.SetInput( cone.GetOutput() ); // // Create an actor to represent the cone. The actor orchestrates rendering of // the mapper's graphics primitives. An actor also refers to properties via a // vtkProperty instance, and includes an internal transformation matrix. We // set this actor's mapper to be coneMapper which we created above. // vtkActor coneActor = new vtkActor(); coneActor.SetMapper( coneMapper ); // // Create the Renderer and assign actors to it. A renderer is like a // viewport. It is part or all of a window on the screen and it is // responsible for drawing the actors it has. We also set the background // color here // vtkRenderer ren1 = new vtkRenderer(); ren1.AddActor( coneActor ); ren1.SetBackground( 0.1f, 0.2f, 0.4f ); // // Finally we create the render window which will show up on the screen // We put our renderer into the render window using AddRenderer. We also // set the size to be 300 pixels by 300 // vtkRenderWindow renWin = new vtkRenderWindow(); renWin.AddRenderer( ren1 ); renWin.SetSize( 300, 300 ); vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor(); iren.SetRenderWindow(renWin); vtkInteractorStyleTrackballCamera style = new vtkInteractorStyleTrackballCamera(); iren.SetInteractorStyle(style); vtkBoxWidget boxWidget = new vtkBoxWidget(); boxWidget.SetInteractor(iren); boxWidget.SetPlaceFactor(1.25f); boxWidget.SetProp3D(coneActor); boxWidget.PlaceWidget(); boxWidget.AddObserver((uint) EventIds.InteractionEvent, new vtkDotNetCallback(myCallback)); boxWidget.On(); iren.Initialize(); iren.Start(); vtkWin32OpenGLRenderWindow win32win = vtkWin32OpenGLRenderWindow.SafeDownCast(renWin); if ( null != win32win ) win32win.Clean(); }
/// <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(); }