[vtkusers] VTK File Writing

[Sebastien Jourdain]

A ploygon cell in VTK can not be convex. So you will have to split it
in two cells.
And I don't know if there is an automatic way to do it by using a
given filter in VTK and writing the file again.

Seb

On Wed, Aug 11, 2010 at 7:25 AM, Alex Southern <aps at tml.hut.fi> wrote:
> Hi,
>
> Could you guys take a look at this vtk file I wrote, can you see anything
> wrong with it? I can't, but if you take a look at the JPG of paraview
> screenshots, you will see that the single polygon looks fine in wire frame
> mode but has some weird error when viewed as a surface, this is happening
> with a few files I have written, but the is the most basic geometry it
> occurs with.
>
> JPG at http://www.tml.tkk.fi/~aps/ <http://www.tml.tkk.fi/%7Eaps/>
>
> Thanks
> Alex
>
> # vtk DataFile Version 3.0
> VTK File Exmaple
> ASCII
> DATASET POLYDATA
> POINTS 6 float
> 0.0 81.8897637795276 0.0
> 43.7007874015748 81.8897637795276 0.0
> 43.7007874015748 150.748031496063 0.0
> 94.9606299212598 150.748031496063 0.0
> 94.9606299212598 0.0 0.0
> 0.0 0.0 0.0
> POLYGONS 1 7
> 6 0 1 2 3 4 5
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