[vtk-developers] [vtkusers] mesh decimation

[Chiranjib Sur]

Could you please share your sample code in this thread?

Thanks,
Chiranjib

On Tue, Sep 19, 2017 at 2:25 PM, Agata Krasoń <agatakrason at gmail.com> wrote:

> Hello,
>
> Thanks for your reply.
> Hmmm ... Yes, I know about that filter. I have already done this example.
> I got the same number of triangle in each mesh. But the same number of
> triangle doesn't equal the same number of points. That's my main problem  :
> (
>
> Best regards,
> Agata
>
> 2017-09-18 19:55 GMT+02:00 Chiranjib Sur <sur.chiranjib at gmail.com>:
>
>> Hi,
>> The decimation filter works on percentage of the mesh that you need to
>> decimate
>>
>> Look at this line of the example @ wiki (https://www.vtk.org/Wiki/VTK/
>> Examples/Cxx/Meshes/Decimation)
>>
>> decimate->SetTargetReduction(.10); //10% reduction (if there was 100 triangles, now there will be 90)
>>
>>
>> Hope that answers your query.
>> Thanks,
>> Chiranjib
>>
>> On Mon, Sep 18, 2017 at 8:14 PM, agatte <agatakrason at gmail.com> wrote:
>>
>>> Hello vtk users,
>>>
>>> I would like to decimate mesh (triangle meshes) polydata to constant
>>> number
>>> of points.
>>> I have already tried vtkDecimationPro filter but I could only decimate to
>>> fix number of triangles.
>>> I don't know how can I decimate a mesh to fix number of points ?
>>>
>>> I would appreciate for any help/advice.
>>>
>>>
>>> Best :)
>>>
>>>
>>>
>>>
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>
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