[vtkusers] VTK File Writing

[Bill Lorensen]

http://en.wikipedia.org/wiki/Convex_polygon


On Wed, Aug 11, 2010 at 8:36 AM, Alex Southern <mrapsouthern at gmail.com> wrote:
> Hmmm,
>
> What do you mean by convex? The geometry has no curves in it. Its just a 6
> sided polygon.
>
> I must be missing something... please explain.
>
> Thanks
> Alex
>
> On 11.8.2010 15:33, Sebastien Jourdain wrote:
>>
>> 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
>>> _______________________________________________
>>> Powered by www.kitware.com
>>>
>>> Visit other Kitware open-source projects at
>>> http://www.kitware.com/opensource/opensource.html
>>>
>>> Please keep messages on-topic and check the VTK FAQ at:
>>> http://www.vtk.org/Wiki/VTK_FAQ
>>>
>>> Follow this link to subscribe/unsubscribe:
>>> http://www.vtk.org/mailman/listinfo/vtkusers
>>>
>>>
>>
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Please keep messages on-topic and check the VTK FAQ at:
>> http://www.vtk.org/Wiki/VTK_FAQ
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.vtk.org/mailman/listinfo/vtkusers
>>
>
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the VTK FAQ at:
> http://www.vtk.org/Wiki/VTK_FAQ
>
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtkusers
>