[Paraview] vtkDoubleArray with >3 components

[Cory Quammen]

Hi Bruce,

I haven't seen this, but ParaView may be interpreting this array as a
tensor field. Do you have a smallish test data file that you can share that
shows the problem?

Thanks,
Cory

On Sat, Jul 11, 2015 at 11:14 AM, Bruce Jones <bruce.david.jones at gmail.com>
wrote:

> I am creating vtkDoubleArrays based on averaging some input data to a
> reduced set of points. The input data includes various vtk arrays which
> have 1, 3 and 9 components.
>
> After averaging, I am writing the data to c++ arrays, and creating a new
> vtkDoubleArray using the SetArray() function to pass the c++ arrays. This
> works fine for 1 and 3 component arrays, however for the 9 component arrays
> paraview shows that every element is set to 0.
>
> If I hardcode it so that 9 component arrays become 3 component arrays
> (reading only the first 3 components from the input array), then I get the
> correct data for the first 3 components, though I obviously need the other
> 6 components in the end.
>
> Has anyone encountered this before?
>
> Cheers,
> Bruce
>
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-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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