[vtkusers] Extracting surface triangles (eliminating inner triangles)

[Tim Hutton]

Jonathan,

vtkGeometryFilter should do this for you, I think.

You may need to ensure that the vertices aren't split, and
vtkCleanPolyData them if they are.

Tim

On 2/14/06, bailleul jonathan <jonathan.bailleul at utc.fr> wrote:
> Dear All,
>
> I know the topic is quite covered already, but I didn't manage to find
> my solution in the list so far...
>
> I have a closed surface obtained from 3D delaunay (tetgen). It is
> already a polydata made of triangles, but since it is infered from
> tetrahedrons, there are many many inner triangles 'inside'.
>
> I would simply like to get rid of them, and only keep the
> "boundary"/outer triangles.
>
> Please note that I neither don't want to add any vertices nor move the
> existing "outer" vertices.
>
>
> With my best regards,
>
>
>
> --
> ---------------------------------------
> Jonathan BAILLEUL, ATER
> Dept. Génie Biomédical - UTC Compiègne
> Doctorant au GREYC Image - ENSICAEN
> http://www.greyc.ensicaen.fr/~bailleul/
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