[vtkusers] Fixing vtkPolyDataToImageStencil

David Gobbi david.gobbi at gmail.com
Wed Oct 8 13:16:12 EDT 2014

Yes, vtkPolyDataToImageStencil works with nested contours.  This is
true both for polylines and surfaces.  Inner contours are treated as
holes (and contours inside those "hole" contours are filled, etc.).  I'll
update the documentation.

Formally, it is as if the interior of each contour is drawn with an XOR

 - David

On Wed, Oct 8, 2014 at 11:09 AM, Ricardo A Corredor
<ra.corredor at gmail.com> wrote:
> Are those type of polydata handled by the PolyDataToImageStencil as well,
> i.e. a polydata having two polylines, one polyline inside the other one in
> the same slice? (The image shows that the answer seems to be affirmative,
> but I don't know if it is what the documentation of that class says). I have
> always worked with closed contours or surfaces but not having some other
> polydata/polylines inside.
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