Example #1
0
        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();
        }