[vtkusers] vtkm help with using the CleanGrid filter

[Allie Vacanti]

On Fri, Jun 28, 2019 at 6:21 AM sunayanag <sunayanag at gmail.com> wrote:

> Thanks for your reply Allie, I looked into the vtkmCleanGrid.cxx file and
> tried to reproduce the code  :
>
> auto fieldsFlag = tovtkm::FieldsFlag::None;
> vtkm::cont::DataSet in = tovtkm::Convert(vtkMesh, fieldsFlag);
>  //apply the filter
>  vtkmInputFilterPolicy policy;
>  vtkm::filter::CleanGrid filter;
> filter.SetCompactPointFields(false);
> auto result = filter.Execute(in, policy);
>
> and end up getting the following error :
> include\vtk-8.2\vtkm/internal/ListTagDetail.h(207): error C2027: use of
> undefined type 'vtkm::cont::vtkmCellSetExplicitAOS'
>

You can include the file "vtkmCellSetExplicit.h" to fix that. You might
also need to include "vtkmCellSetSingleType.h" if you see errors about
single type cellsets being undefined.


> I also tried using the directly the vtkmCleanGrid class, in this case it
> worked where the output was of type vtkUnstructuredGrid which I converted
> back to vtkPolyData using the vtkDataSetSurfaceFilter.


If you use the vtkm filter directly, it should work to use the
fromvtk::Convert method from Accelerators/Vtkm/vtkmlib/PolyDataConverter.h
to skip that extra step.
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