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>
/// 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();
}
