[vtkusers] vtkDelaunay3D not using all points?

[Bill Lorensen]

I believe that the mapper runs the DataSetSurfaceFilter before
rendering. Hence, you just see external faces.

On Thu, Apr 22, 2010 at 8:06 AM, David Doria <daviddoria+vtk at gmail.com> wrote:
> On Wed, Apr 21, 2010 at 9:30 PM, David Doria <daviddoria+vtk at gmail.com> wrote:
>> If I run vtkDelaunay3D (with Paraview's default values) on this data set:
>> http://www.rpi.edu/~doriad/VTK_List/Delaunay3D/bunny.vtp
>>
>> the output:
>> http://www.rpi.edu/~doriad/VTK_List/Delaunay3D/bunnyDelaunay.vtu
>>
>> seems to be more like a convex hull, rather than a solid set of
>> tetrahedra (where EVERY point is a vertex of a tetrahedron).
>>
>> Here are screenshots:
>> - input: http://rpi.edu/~doriad/bunny.jpg
>> - wireframe view of delaunay3d output:
>> http://rpi.edu/~doriad/bunnyDelaunay.jpg (note many points are not
>> joined by an edge)
>>
>> Am I misinterpreting what is being rendered in the wireframe view? Or
>> does vtkDelaunay3D not actually do what I have explained?
>>
>> Thanks,
>>
>> David
>>
>
> I ran the output through vtkExtractEdges and obtained the result I was
> looking for. So I guess wireframe just shows the wireframe of the
> outermost surface? Is that by design?
>
> Thanks,
>
> David
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