[Paraview] Find Data does not work on MPI

[David E DeMarle]

I think the issue is that vtk doesn't bundle mpi4py on windows like it does
elsewhere,  so this paraview query that internally relies on it won't work
there.

On Dec 4, 2016 9:41 AM, "Mathieu Westphal" <mathieu.westphal at kitware.com>
wrote:

> Hello
>
> You must use the mpirun/mpiexec provided by ParaView, not your own.
>
> Regards
>
> On 4 Dec 2016 4:02 am, "Magician" <f_magician at mac.com> wrote:
>
>> Hi Cory,
>>
>>
>> Thanks for your advice.
>> I tried some minimal cases again.
>>
>> I executed pvserver with 2 CPUs, and generate a wavelet source.
>> Then I tried to select the points (RTData is >= 100).
>>
>> The messages on Command Prompt are as follows:
>>
>> C:\Users\magician\Desktop>"C:\Program Files\Microsoft HPC Pack 2008
>> R2\Bin\mpiexec
>>
>> .exe" -np 2 "C:\Program Files\ParaView 5.2.0-Qt4-OpenGL2-MPI-Windows-
>> 64bit\bin\p
>> vserver.exe"
>> Waiting for client...
>> Connection URL: cs://LocalPC:11111
>> Accepting connection(s): LocalPC:11111
>> Client connected.
>>
>> Traceback (most recent call last):
>>
>> Traceback (most recent call last):
>>   File "<string>", line 8, in <module>
>>   File "<string>", line 8, in <module>
>>   File "<string>", line 5, in vtkPythonExtractSelection_RequestData
>>   File "<string>", line 5, in vtkPythonExtractSelection_RequestData
>>   File "C:\Program Files\ParaView 5.2.0-Qt4-OpenGL2-MPI-Windows-
>> 64bit\bin\lib\si
>> te-packages\paraview\extract_selection.py", line 68, in execute
>>   File "C:\Program Files\ParaView 5.2.0-Qt4-OpenGL2-MPI-Windows-
>> 64bit\bin\lib\si
>> te-packages\paraview\extract_selection.py", line 68, in execute
>>     elocals = calculator.get_arrays(inputs[0
>> ].GetAttributes(attributeType))
>>   File "C:\Program Files\ParaView 5.2.0-Qt4-OpenGL2-MPI-Windows-
>> 64bit\bin\lib\si
>> te-packages\paraview\calculator.py", line 43, in get_arrays
>>     elocals = calculator.get_arrays(inputs[0
>> ].GetAttributes(attributeType))
>>   File "C:\Program Files\ParaView 5.2.0-Qt4-OpenGL2-MPI-Windows-
>> 64bit\bin\lib\si
>> te-packages\paraview\calculator.py", line 43, in get_arrays
>>     from mpi4py import MPI
>> ImportError:
>>
>> No module named mpi4py
>> from mpi4py import MPI
>>
>> ImportError: No module named mpi4py
>>
>>
>> My PV is v5.2.0 on Windows 7/8 64bit, just downloaded from Kitware’s
>> download site.
>> MPI is Microsoft HPC Pack 2008 R2.
>>
>> Perhaps the provided binary does not fully support MPI processing?
>> I should build PV with MPI by myself?
>>
>>
>> Magician
>>
>>
>> On Nov 28, 2016, at 06:29, Cory Quammen <cory.quammen at kitware.com> wrote:
>>
>> Does anyone use Find Data function on MPI?
>>
>>
>> I just tried it with 5.2.0 in parallel and the Find Data dialog works
>> fine for the queries I tried.
>>
>> Could you provide more information about what you are trying to get to
>> work? Listing the steps you take before running into the problem is
>> helpful. For example, telling us which data file you loaded, what your
>> Find Data query is, etc.
>>
>> Thanks,
>> Cory
>>
>> On Nov 20, 2016, at 14:16, Magician <f_magician at mac.com> wrote:
>>
>> Hi all,
>>
>>
>> When I operating ParaView on MPI mode, Find Data function does not work
>> correctly.
>> The dialog is just opened, but the 'Run Selection Query' always returns
>> no cell or point.
>>
>> How to select specific cells or points on parallel ParaView?
>> My PV is v5.2.0-RC1 on Windows 8 64bit, and MPI is Microsoft HPC Pack
>> 2008 R2.
>>
>>
>> Magician
>>
>>
>> _______________________________________________
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>>
>>
>>
>> --
>> Cory Quammen
>> Staff R&D Engineer
>> Kitware, Inc.
>>
>>
>>
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Please keep messages on-topic and check the ParaView Wiki at:
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>>
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>>
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>>
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