[Paraview] [paraview] using with python, mpi pvserver and scalar opacity (3.7)

[Berk Geveci]

This is not correct. The reader is indeed serial. However, ParaView
redistributes the data after reading it. So the resulting mesh will be
load balanced across processors but there will be an I/O and/or
communication overhead.

Note that for unstructured meshes, the redistribution is not
necessarily based on spatial partitioning. If you want a nicely
partitioned and load balanced mesh, use D3.

-berk

On Fri, Jun 5, 2009 at 11:50 AM, burlen<burlen.loring at gmail.com> wrote:
> Perhaps unrelated but I see you are using the legacy reader. As far as I
> know this reader is not parallel and so if you use it while running in
> parallel you'll end up with entire data set loaded in all the processes.
> Probably not what you had in mind.
>
> BOUSSOIR Jonathan 167706 wrote:
>>
>> Hi all,
>>
>> I am using Linux and last csv version of Paraview (3.7)
>> I have 2 Pyphon script which animate a cylinder either with or without
>> scalar opacity.
>> When I use "pvserver" on one CPU, both work well.
>> If I use "mpirun -np 4 pvserver" to work on four cpu, I saw a color
>> problem when I use script with scalar opacity.
>> I don't understand why.
>>
>> I link the scipts in my email.
>> Thanks in advance for your kind help.
>>
>> Regards, Jona
>>
>>
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