[Paraview] Parallel unfriendly filters?

[Dan Lipsa]

David,
Why do you need to do 'cell data to point data'? Can you try without that
step?

On Mon, Feb 8, 2016 at 3:14 PM, David Ortley <djortley at gmail.com> wrote:

> I'm running Paraview in client/server mode with the server running on an
> HPC platform across multiple nodes.
>
> My input is a multi-block silo file that contains ghost zone information.
> The way I do a seamless contour when visualizing on my workstation is to do
> the following:
>
> Load the silo file
>     -> Threshold out the ghost zones (threshold filter)
>         -> Merge the blocks
>             -> Cell data to point data
>                 -> Contour
>
> This works well enough when on a single machine.  But when visualizing
> client/server with the server running across multiple nodes, there appear
> seams on the contours.
>
> Is this an expected behavior given my setup?  Are any of the filters that
> I listed above (Threshold, Merge Blocks, Cell data to point data, and
> Contour) not fully implemented in parallel yet?
>
> nb - I've not spent a lot of time trying to debug the problem, so I don't
> know if the problem exists when a server is running on a single node only.
> It looks like something that is happening at node boundaries, but I could
> be wrong and it could be a per/processor thing.
>
> Thanks.
>
> -David Ortley
>
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