[vtkusers] vtkPolyDataSilhouette troubles

[felixmeissner]

Hi,

I'm trying to draw a vtkPolyDataSilhouette based on a vtkPolyData-Model to a
vtkImageViewer2. This Works partially, but the silhouette is rendered only
in small parts to the image:

http://de.tinypic.com/view.php?pic=1zx1jer&s=6

As you can see only parts of the "silhouette" are painted.

Im not sure if vtkPolyDataSilhouette is the right class to use for this
purpose or if I missed an option so that the contour is continous. Any
suggestens are welcome.

Thank you, Felix

==== some code snippets Im using =====

        self.silhouette = vtk.vtkPolyDataSilhouette()
        self.silhouette.SetInput(model.GetOutput())
        self.silhouette.BorderEdgesOn()
        self.silhouette.PieceInvariantOn()
       
self.silhouette.SetCamera(self.viewer.GetRenderer().GetActiveCamera())
        
        mapper = vtk.vtkPolyDataMapper()
        mapper.SetInput(self.silhouette.GetOutput())
        self.__SilhouetteActor = vtk.vtkActor()
        self.__SilhouetteActor.SetMapper(mapper)
        self.__SilhouetteActor.GetProperty().SetColor(1, 0, 0)

        self.__SilhouetteActor.SetOrigin(x, y, z)
        self.__SilhouetteActor.VisibilityOn()
        self.__SliceViewer.GetRenderer().AddActor(self.__SilhouetteActor)
        self.__SliceViewer.Render()
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