[Paraview] NASA OVERFLOW reader

Tue Aug 13 12:28:55 EDT 2013

Berk:

I really appreciate your response, but it is still not working for us.
We produce 64-bit OVERFLOW grid and q files and are trying to visualize
them using ParaView 4.0.1.  The grid files are read without any problem.
However any attempt to read the q files produces errors.

On Windows 32-bit:

ERROR: In C:\DBD\pvs-x32\paraview\src\paraview\VTK\Common\ExecutionModel\vtkExecutive.cxx, line 754

vtkPVCompositeDataPipeline (1E30E8E8): Algorithm vtkMultiBlockPLOT3DReader(14F540E0) returned failure for request: vtkInformation (1E361D90)

Debug: Off

Modified Time: 353439

Reference Count: 1

Registered Events: (none)

Request: REQUEST_INFORMATION

FORWARD_DIRECTION: 0

ALGORITHM_AFTER_FORWARD: 1

ERROR: In C:\DBD\pvs-x32\paraview\src\paraview\VTK\Common\ExecutionModel\vtkExecutive.cxx, line 754

vtkPVCompositeDataPipeline (1E30E8E8): Algorithm vtkMultiBlockPLOT3DReader(14F540E0) returned failure for request: vtkInformation (1E361D90)

Debug: Off

Modified Time: 353439

Reference Count: 1

Registered Events: (none)

Request: REQUEST_INFORMATION

FORWARD_DIRECTION: 0

ALGORITHM_AFTER_FORWARD: 1

This error occurs immediately after selecting the q file.

If we then persist and hit the "Apply" button, the following error
message pops up:

ERROR: In C:\DBD\pvs-x32\paraview\src\paraview\VTK\Common\ExecutionModel\vtkExecutive.cxx, line 754

vtkPVCompositeDataPipeline (1E31A7B0): Algorithm vtkMultiBlockPLOT3DReader(143BAE38) returned failure for request: vtkInformation (1E36BE90)

Debug: Off

Modified Time: 364288

Reference Count: 1

Registered Events: (none)

Request: REQUEST_INFORMATION

FORWARD_DIRECTION: 0

ALGORITHM_AFTER_FORWARD: 1

We get the same type results on Linux 64-bit systems.

Any recommendations would be appreciated!  Thanks!!

Michael A. Robinson

Kratos/Digital Fusion

4904 Research Drive
Huntsville, AL  35805

________________________________
From: Berk Geveci [mailto:berk.geveci at kitware.com]
Sent: Monday, August 12, 2013 6:51 PM
To: Michael Robinson
Cc: paraview at paraview.org
Subject: Re: [Paraview] NASA OVERFLOW reader

The Plot3D reader in 4.0 can read 32 bit and 64 bit Overflow files. Here are the messages I sent to the Overflow mailing list a while ago:

Hi folks,

I am happy to report that there is now a robust Plot3D / Overflow reader in ParaView that does automatic format detection for binary files. I am sorry that it took this long. It was not the easiest reader to write. It works with:

- Overflow files (any number of Q variables)
- Single and double precision real values
- C and Fortran output
- Big and little endian files
- ASCII and binary files
- Q file series for unsteady flows

I also developed a simple meta file format that supports xyz file series as well as actual time values for each Q file (which is currently not supported without the meta file - this is needed for accurate particle advection). I am going to provide some documentation about this in the ParaView Wiki soon.

You can test this out by downloading the development binaries:

Mac:
http://open.cdash.org/viewFiles.php?buildid=2873933
Linux:
http://open.cdash.org/viewFiles.php?buildid=2873792
Windows:
http://open.cdash.org/viewFiles.php?buildid=2873742

Please give it a try and let me know if you run into issues. If you would like to wait for a stable release, ParaView 4.0 is scheduled to be released early in May.

---------------------------------

I am happy to announce that ParaView now supports function files. There is now support for pretty much the entire original Plot3D spec as well as Overflow. Some of the new features are:

- Overflow files (any number of Q variables)
- Function files (any number of functions)
- Single and double precision real values
- C and Fortran output
- Big and little endian files
- ASCII and binary files
- XYZ and/or Q file series for unsteady flows and changing geometry
- More robust iblank support

XYZ file series require the use of a meta-file (p3d extension) as described here:

http://www.vtk.org/doc/nightly/html/classvtkPlot3DMetaReader.html#details

Best,
-berk

On Thu, Aug 8, 2013 at 11:57 AM, Michael Robinson <Michael.Robinson at kratosdefense.com<mailto:Michael.Robinson at kratosdefense.com>> wrote:

Is there a generally available reader for NASA's OVERFLOW CFD code?
A plugin perhaps?

Michael A. Robinson
Kratos/Digital Fusion
4904 Research Drive
Huntsville, AL  35805
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