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();
}
