[Paraview] Bug in PLOT3D meta reader

[Cory Quammen]

Yoshimi's fix has been merged into VTK and will be in ParaView 5.5 due
out in November.

https://gitlab.kitware.com/vtk/vtk/merge_requests/3090/diffs

Thank you for the report, Eric, and for the fix, Yoshimi.

Cory

On Wed, Aug 2, 2017 at 12:28 AM, kenichiro yoshimi
<rccm.kyoshimi at gmail.com> wrote:
> Hello Eric,
>
> If the number of blocks in dataset decreases over time steps then
> vtkMultiBlockPLOT3DReader seems to fail to count it. For your
> information, I tried commenting out the line 822 in
> ParaView-v5.4.0/VTK/IO/Parallel/vtkMultiBlockPLOT3DReader.cxx and this
> worked with your data.
> -----
>   if ( numGrid > (int)this->Internal->Dimensions.size() )
>   {
>     this->Internal->Dimensions.resize(numGrid);
>   }
>
> =>
>
>   //if ( numGrid > (int)this->Internal->Dimensions.size() )
>   {
>     this->Internal->Dimensions.resize(numGrid);
>   }
> -----
>
> Thanks,
> yoshimi
>
> 2017-08-02 2:16 GMT+09:00 Eric Lynch <eric.lynch at gmail.com>:
>> I believe there is a bug in the PLOT3D metafile reader.  I've attached two
>> PLOT3D meshes and a metafile.  Version 5.4.1 appears to read the metafile
>> successfully.  After reading it, I can see the outline of the two blocks in
>> the first mesh file.  If I advance to the next time step, I can see the
>> outline of the three blocks in the second mesh.  If I then go back to the
>> previous time step, I get an error message saying:
>>
>>
>>
>> ERROR: In
>> /home/buildslave/dashboards/buildbot/paraview-pvbinsdash-linux-shared-release_superbuild/build/superbuild/paraview/src/VTK/IO/Parallel/vtkMultiBlockPLOT3DReader.cxx,
>> line 1397 vtkMPIMultiBlockPLOT3DReader (0x6b53260): Encountered premature
>> end-of-file while reading the geometry file (or the file is corrupt).
>>
>>
>>
>> ERROR: In
>> /home/buildslave/dashboards/buildbot/paraview-pvbinsdash-linux-shared-release_superbuild/build/superbuild/paraview/src/VTK/Common/ExecutionModel/vtkExecutive.cxx,
>> line 784 vtkCompositeDataPipeline (0x6946da0): Algorithm
>> vtkMPIMultiBlockPLOT3DReader(0x6b53260) returned failure for request:
>> vtkInformation (0x68935b0)
>>
>>   Debug: Off
>>
>>   Modified Time: 982828
>>
>>   Reference Count: 1
>>
>>   Registered Events: (none)
>>
>>   Request: REQUEST_DATA
>>
>>   ALGORITHM_AFTER_FORWARD: 1
>>
>>   FROM_OUTPUT_PORT: 0
>>
>>   FORWARD_DIRECTION: 0
>>
>>
>>
>> To my knowledge, the last version without this bug was 4.3.1.
>>
>>
>>
>> Thanks,
>>
>> Eric
>>
>>
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>
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>
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>
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-- 
Cory Quammen
Staff R&D Engineer
Kitware, Inc.