[vtkusers] Question about vtkProbeFilter with unstructuredgrid with Polyhedron cells

Bill Lorensen bill.lorensen at gmail.com
Thu Sep 12 17:04:38 EDT 2013


If you can provide, a small, compilable example that illustrates the issue
I'm sure we can help.



On Thu, Sep 12, 2013 at 4:43 PM, Gerrick Bivins <
Gerrick.Bivins at halliburton.com> wrote:

>  Hi All,****
>
> I’m trying to debug a problem with one of my pipelines that uses a probe
> filter.****
>
> It worked properly for the structured grids and also one of the sample
> unstructured grids from the VTK dataset but fails with****
>
> one of our generated grids. By fail I mean, the valid points mask array
> has many invalid points****
>
> even though the input to the probefilter fits entirely in the source grid.
> ****
>
> Is the problem that I have polyhedron cells?****
>
> If so, is there a special filter to probe unstructured grids with
> polyhedron cells? vtkProbePolyhedron seems****
>
> to only be for surface meshes (polydata).****
>
> Thanks for any pointers here.****
>
> Gerrick****
>
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