[Paraview] [Non-DoD Source] Re: Problem with WriteAnimation in a python file silently failing under pvbatch but working when called with pvpython (UNCLASSIFIED)

Tue Jan 10 15:53:14 EST 2017

CLASSIFICATION: UNCLASSIFIED

Andy,

I have tried the various options --mpi , -dr and I also tried --mpi -dr and it 
had no effect.

What I did find though was that the compute nodes are running an osmesa build 
of paraview.
and I had been running in a hardware accelerated GL build of paraview when I 
ran pvpython.

When I forced it to use the pvpython version from the osmesa build (which is 
the one the batch file uses.)
I got this error.

GL_Version: ERROR: In 
/p/home/joeh/PV/Build_5.1.2_osmesa/paraview/src/paraview/VTK/Rendering/OpenGL2/vtkOpenGLRenderWindow.cxx, 
line 597
vtkOSOpenGLRenderWindow (0x2fcc250): GLEW could not be initialized.

When it hit the

WriteAnimation('full_image_path.png', Magnification=2, FrameRate=15.0, 
Compression=True)

line. This error message did not occur when running the GL build of pvpython 
from ParaView 5.1.2.

Thanks,

Joe

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Joseph G. Hennessey Ph.D., SAIC
Team SAIC
Army Research Lab
DOD Supercomputing Resource Center

-----Original Message-----
From: Andy Bauer [mailto:andy.bauer at kitware.com]
Sent: Tuesday, January 10, 2017 9:52 AM
To: Hennessey, Joseph G CTR USARMY RDECOM ARL (US) 
<joseph.g.hennessey2.ctr at mail.mil>
Cc: ParaView <paraview at paraview.org>
Subject: [Non-DoD Source] Re: [Paraview] Problem with WriteAnimation in a 
python file silently failing under pvbatch but working when called with 
pvpython (UNCLASSIFIED)

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________________________________

Hi Joe,

I haven't seen this issue or heard anyone else with something like this. Are 
you running pvbatch in serial? If you share a python script which demonstrates 
the issue it may be an easy issue to track down.

There are some slight differences between pvpython and pvbatch. My guess would 
be that it's due to pvbatch initializing mpi while pvpython does not by 
default. You could try running pvpython with the --mpi option to see if having 
it initialize pvpython gives you the same behavior. Also you could try -dr to 
disable the registry (i.e. config settings) to see if that makes a difference.

Cheers,

Andy

On Tue, Jan 10, 2017 at 9:19 AM, Hennessey, Joseph G CTR USARMY RDECOM ARL 
(US) <joseph.g.hennessey2.ctr at mail.mil < 
Caution-mailto:joseph.g.hennessey2.ctr at mail.mil > > wrote:

	CLASSIFICATION: UNCLASSIFIED

	Hello,

	I have found that pvbatch is silently failing in a python file when
	WriteAnimation
	is called and used with ParaView 5.2.0 under linux.

	But pvpython will execute the same command from the same python file
	correctly.

	The call where it is failing is below

	WriteAnimation('full_image_path.png', Magnification=2, FrameRate=15.0,
	Compression=True)

	and it is not giving any error messages, it just never returns when called
	by pvbatch

	Has anyone else experienced this, or have an idea of how to correct it?

	Thanks,

	Joe

	~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	Joseph G. Hennessey Ph.D., SAIC
	Team SAIC
	Army Research Lab
	DOD Supercomputing Resource Center

	CLASSIFICATION: UNCLASSIFIED

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