[vtkusers] vtkConnectivityFilter

[Cory Quammen]

Is the resolution really reduced, or does it just look more faceted because
surface normals have been lost or modified? Try connecting a
vtkPolyDataNormals filter after the vtkCleanPolyDataFilter if that is the
case.

HTH,
Cory

On Sat, Oct 22, 2016 at 12:11 PM, SM Rolfe <smrolfe at uw.edu> wrote:

> Hi David,
> Thanks! The vtkCleanPolyData filter solves the connectivity issue. It also
> looks like it's reducing the resolution of the output mesh significantly.
> If it's only deleting the repeated points, I don't think this should be
> occurring?
> Thanks,
> Sara
>
> On Sat, Oct 22, 2016 at 5:36 AM, David Doria <daviddoria at gmail.com> wrote:
>
>> On Fri, Oct 21, 2016 at 10:42 PM, SM Rolfe <smrolfe at uw.edu> wrote:
>>
>>> Thanks David, I think you're right. When I try using the
>>> vtkDataSetSurfaceFilter or vtkExtractEdges I can get a connected surface,
>>> but it changes the original mesh points. Do you have any advice on the best
>>> way to correct the connectivity without altering these points? I am
>>> guessing I could go through each mesh point, look for repeats and add
>>> connectivity, but I'm wondering if there's a more efficient way?
>>>
>>> Thanks for your help,
>>> Sara
>>>
>>
>> I think vtkCleanPolyData does that: http://www.vtk.org/Wiki/VTK/Ex
>> amples/Cxx/PolyData/CleanPolyData
>>
>> David
>>
>
>
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-- 
Cory Quammen
Staff R&D Engineer
Kitware, Inc.
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