[vtk-developers] [vtkusers] mesh decimation

[Bill Lorensen]

Look here:
https://lorensen.github.io/VTKExamples/site/Cxx/Meshes/Decimation/


On Tue, Sep 19, 2017 at 1:35 PM, Chiranjib Sur <sur.chiranjib at gmail.com> wrote:
> 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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