[vtkusers] Solid Voxelization with VTK

[David Gobbi]

Hi Berti,

You don't even have to initialize binaryLabelMap, since you don't use it as
an input for anything until the DeepCopy.  Really the DeepCopy isn't
necessary either, you could call
imageStencilToImage->SetOutput(binaryLabelMap) before calling
imageStencilToImage->Update().

Thanks for the samples, those results are very interesting.  Because of the
way the algorithm works, the Z axis is immune to those bridges in the
result, so you are correct that majority voting or a logical "and" might
clean it up.  For the Eiffel tower, the polygons might be wound the wrong
way (i.e. the shape is inside-out).  You could try applying vtkReverseSense.

 - David
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