[Paraview] ParaView thinks that it does not have a wind blade reader

Tue Jul 17 14:43:11 EDT 2012

kargad:ParaView demarle$ find . -name "*WindBlade*" -print
---> ./VTK/IO/Parallel/Testing/Cxx/TestWindBladeReader.cxx
./VTK/IO/Parallel/vtkWindBladeReader.cxx
./VTK/IO/Parallel/vtkWindBladeReader.h

David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909

On Tue, Jul 17, 2012 at 2:09 PM, Sohail Shafii <sohailshafii at yahoo.com> wrote:
> What is the class that is responsible for testing to reader to see if it can
> open the .wind file?
>
> Sohail
>
> ________________________________
> From: Andy Bauer <andy.bauer at kitware.com>
> To: Sohail Shafii <sohailshafii at yahoo.com>
> Cc: "Woodring, Jonathan L" <woodring at lanl.gov>; Sebastien Jourdain
> <sebastien.jourdain at kitware.com>; "migichen at gmail.com" <migichen at gmail.com>;
> "paraview at paraview.org" <paraview at paraview.org>
> Sent: Wednesday, July 11, 2012 10:53 AM
>
> Subject: Re: [Paraview] ParaView thinks that it does not have a wind blade
> reader
>
> I was reluctant to enable the reader in serial (i.e. not using MPI IO which
> I think is getting done by default with the parallel build) because of the
> following warnings that I got:
>
> Warning: In /home/acbauer/CODE/ParaView/
> ParaView/VTK/IO/Parallel/vtkWindBladeReader.cxx, line 942
> vtkWindBladeReader (0x3a0c800): WindBladeReader error reading file:
> /home/acbauer/DATA/VTKLargeData/Data/WindBladeReader/test1_topo.wind
> Premature EOF while reading block of data. Expected 896000 but got 0
>
> I just assumed that it was getting bad results so I didn't check the serial
> output with the parallel output. In either case the code should be changed
> before enabling it in serial so that it reads the files correctly and
> doesn't produce any warning messages.
>
> Andy
>
> On Wed, Jul 11, 2012 at 12:04 PM, Sohail Shafii <sohailshafii at yahoo.com>
> wrote:
>
> I'm not aware of any option to build/link against mpi-io.  This is just a
> standard build with mpi support that suffers from this issue.
>
> The ParaView website's builds also have the same bug.
>
> ________________________________
> From: "Woodring, Jonathan L" <woodring at lanl.gov>
> To: Sohail Shafii <sohailshafii at yahoo.com>; Andy Bauer
> <andy.bauer at kitware.com>; Sebastien Jourdain
> <sebastien.jourdain at kitware.com>
> Cc: "migichen at gmail.com" <migichen at gmail.com>; "paraview at paraview.org"
> <paraview at paraview.org>
> Sent: Tuesday, July 10, 2012 10:06 AM
>
> Subject: Re: [Paraview] ParaView thinks that it does not have a wind blade
> reader
>
> I added the MPI calls to be in sync with what was being added in the
> simulation.
>
> In the SuperComputing demo last year, we updated both the HiGrad FireTec to
> use MPI-IO and likewise ParaView to do the same thing.
>
> It was working when I last checked it in November.  It could be that you
> didn't build or link against MPI-IO?  It might require that the build needs
> to be guarded if you don't have MPI-IO.
>
> I thought I did that but it might have gotten changed during the VTK
> overhaul… That's the only thing that I can think of at the moment, because
> I'm pretty sure I had it working in serial with MPI-IO (it shouldn't
> matter.)
>
> From: Sohail Shafii <sohailshafii at yahoo.com>
> Reply-To: Sohail Shafii <sohailshafii at yahoo.com>
> Date: Tue, 10 Jul 2012 08:44:01 -0700
> To: Andy Bauer <andy.bauer at kitware.com>, Sebastien Jourdain
> <sebastien.jourdain at kitware.com>
> Cc: "migichen at gmail.com" <migichen at gmail.com>, woodring <woodring at lanl.gov>,
> "paraview at paraview.org" <paraview at paraview.org>
> Subject: Re: [Paraview] ParaView thinks that it does not have a wind blade
> reader
>
> I'm afraid my knowledge here is a bit limited.  All of my edits have been in
> relation to loading the blade data.  The MPI calls were put in by someone
> else.
>
> By the way, is the wind blade reader updated in VTK as well? (i.e. the VTK
> package)  I remember downloading VTK a while ago and there was a mismatch
> between that windbladereader and the one in ParaView.
>
> Sohail
>
> ________________________________
> From: Andy Bauer <andy.bauer at kitware.com>
> To: Sebastien Jourdain <sebastien.jourdain at kitware.com>
> Cc: Sohail Shafii <sohailshafii at yahoo.com>; "migichen at gmail.com"
> <migichen at gmail.com>; "woodring at lanl.gov" <woodring at lanl.gov>;
> "paraview at paraview.org" <paraview at paraview.org>
> Sent: Tuesday, July 3, 2012 11:54 AM
> Subject: Re: [Paraview] ParaView thinks that it does not have a wind blade
> reader
>
> Hi Sohail,
>
> I went through the code and it jogged my memory about previous problems with
> it. It had an explicit MPI call in the constructor that would cause problems
> when paraview wasn't getting built with MPI. Any time a user tried to open
> an unknown file it would try to create a windblade reader to see if the
> reader could handle the file and this would cause a crash. If you launch a
> separate pvserver the wind blade reader will be available in the gui.
>
> If someone fixes this problem in the reader we can enable it properly
> through the gui. Right now though I'm getting a bunch of warnings when
> running in serial like:
> Warning: In
> /home/acbauer/CODE/ParaView/ParaView/VTK/IO/Parallel/vtkWindBladeReader.cxx,
> line 942
> vtkWindBladeReader (0x3a0c800): WindBladeReader error reading file:
> /home/acbauer/DATA/VTKLargeData/Data/WindBladeReader/test1_topo.wind
> Premature EOF while reading block of data. Expected 896000 but got 0
>
>
> Andy
>
> On Tue, Jul 3, 2012 at 12:09 PM, Andy Bauer <andy.bauer at kitware.com> wrote:
>
> I get the same problem in both 3.14.1 and master. The reader is still
> available but just not conveniently through the GUI. To access it though you
> can bring up the python shell and do the following:
>>>> w = WindBladereader()
>>>> w.Filename = "<path>/test1_topo.wind"
>>>> Show()
>>>> Render()
>
> This shouldn't be too hard of a fix for ParaView. I'll let you know when
> it's done.
>
> Andy
>
>
> On Mon, Jul 2, 2012 at 6:03 PM, Sebastien Jourdain
> <sebastien.jourdain at kitware.com> wrote:
>
> Hi Sohail,
>
> a similar bug was fixed in master not so long ago. Could you try
> master to see if the issue remains ?
>
> Thanks,
>
> Seb
>
> On Mon, Jul 2, 2012 at 5:36 PM, Sohail Shafii <sohailshafii at yahoo.com>
> wrote:
>> Hi,
>>
>> We are trying to open a .wind data set.  In the open file menu, ParaView
>> lists the .wind format as a possible option.  Once we click open, however,
>> it complains that a reader for that data format cannot be found.  This is
>> true for the compiled-from-source and pre-compiled versions of ParaView
>> 3.14.1. The wind blade source still exists in the VTK/Parallel folder and
>> it
>> is referenced in the corresponding CMakeLists.txt file. Any thoughts?
>>
>> Thanks, Sohail
>>
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> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
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> Please keep messages on-topic and check the ParaView Wiki at:
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