[Paraview] NASA OVERFLOW reader

Berk Geveci berk.geveci at kitware.com
Thu Aug 15 19:52:22 EDT 2013


Hmm. May be a bug. Do you have any example files? Hopefully a small one.
Please send it directly to me. Are these from stock OVERFLOW?

-berk


On Tue, Aug 13, 2013 at 12:28 PM, Michael Robinson <
Michael.Robinson at kratosdefense.com> wrote:

> **
>
> 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> 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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