[Paraview] Problem with Pixie files: build 3.14.1 and 3.98.0
Claudio Zanni
zanni at oato.inaf.it
Wed Nov 14 11:11:32 EST 2012
Hi Robert,
nice! Thanks a lot!
Claudio
On 11/14/12 4:35 PM, Robert Maynard wrote:
> Hi Claudio,
>
> I have correct Pixie reading in Paraview next.
>
>
> On Mon, Nov 12, 2012 at 10:43 AM, Robert Maynard
> <robert.maynard at kitware.com <mailto:robert.maynard at kitware.com>> wrote:
>
> Hi Claudio,
>
> I will be looking at this issue and hope to have a fix in for the
> next release candiate.
>
>
> On Mon, Nov 12, 2012 at 6:06 AM, Claudio Zanni <zanni at oato.inaf.it
> <mailto:zanni at oato.inaf.it>> wrote:
>
> Dear Utkarsh,
>
> thanks for trying to look into it.
>
> These are some datasets distributed with VisIt to test the
> Pixie output
>
> blockedhttp://portal.nersc.gov/svn/visit/trunk/data/pixie_test_data.tar.gz
> <http://portal.nersc.gov/svn/visit/trunk/data/pixie_test_data.tar.gz>
>
> As you will notice Paraview 3.14 or newer can not open the
> file pixie_expressions.h5,
> while it correctly opens all other files (pixie3d3.h5,
> ...), where the only difference
> between the files is the number of timesteps contained in
> each of them.
>
> The following files are written by the code that we develop
> (http://plutocode.ph.unito.it/):
>
> blockedhttps://dl.dropbox.com/u/18683007/data.2tstep.h5
> <http://dl.dropbox.com/u/18683007/data.2tstep.h5>
> blockedhttps://dl.dropbox.com/u/18683007/data.1tstep.h5
> <http://dl.dropbox.com/u/18683007/data.1tstep.h5>
>
> Paraview 3.14 or newer can open data.2tstep.h5 but hangs
> when trying to open data.1tstep.h5.
> These files contain 2 and 1 timesteps respectively, but
> their structure is exactly the same
> (groups, attributes, datasets, etc etc ...)
>
> Previous versions of Paraview (down to 3.10) and VisIt (up
> to the current release 2.5.2) can
> correctly open all the files. Therefore I suspect that the
> problem is somewhere in the bridge
> from VisIt to Paraview of the two most recent releases.
> I have always used the pre-compiled binaries for Mac OS X
> 64-bit Intel.
>
> Thanks again,
> Claudio
>
>
> On 11/12/12 12:13 AM, Utkarsh Ayachit wrote:
>> Claudio,
>>
>> Do you have any sample dataset that I can use to test
>> this/the fix?
>>
>> Thanks,
>> Utkarsh
>>
>>
>> On Sun, Nov 11, 2012 at 4:07 PM, Utkarsh Ayachit
>> <utkarsh.ayachit at kitware.com
>> <mailto:utkarsh.ayachit at kitware.com>> wrote:
>>
>> Claudio,
>>
>> I'll take a look at get back.
>>
>> Utkarsh
>>
>>
>> On Fri, Nov 9, 2012 at 9:54 AM, Claudio Zanni
>> <zanni at oato.inaf.it <mailto:zanni at oato.inaf.it>> wrote:
>>
>> I already had this problem with Paraview 3.14.1 but I
>> received no answer to a first email,
>> so I tried to investigate on my own since the problem
>> is still present in release 3.98.0.
>>
>> Paraview can not open a Pixie file (it's a HDF5
>> format included through the VisIt Database
>> Bridge) when the file includes one timestep only:
>> Paraview just hangs indefinitely.
>> Everything works fine when multiple timesteps are
>> contained in the file.
>>
>> I suspect that the problem is connected to lines
>> 618-634 in
>> Utilities/VisItBridge/AvtAlgorithms/vtkAvtFileFormatAlgorithm.cxx:
>>
>> //in some case the times and cycles have all
>> zero values.
>> //This is caused by a file reader that
>> generates the time value
>> //once the reader moves to that timestep.
>> //That kind of behaviour is not possible
>> currently in ParaView. Instead
>> //we will force the reader to generate the time
>> values for each timestep
>> //by cycling through everytime step but not
>> requesting any data.
>> if(hasTime && timesteps[0] ==
>> timesteps[timesteps.size()-1])
>> {
>> //we have hit a timestep range that needs to
>> be cycled
>> for(int i=0; i < timesteps.size();++i)
>> {
>> this->ActivateTimestep(i);
>> //Nek and other readers don't update the
>> time info intill you
>> //call gettimes.
>> this->AvtFile->FormatGetTimes(timesteps);
>> }
>> }
>>
>> The condition is true not only when the same value
>> (0?) has been assigned to all
>> the timesteps but also when there is one timestep
>> only (timesteps.size() = 1).
>> Besides these lines were not present in Paraview
>> 3.10/3.12 and these releases
>> were able to open Pixie files containing one timestep
>> only.
>>
>> Is it possible to fix this problem? That would be
>> highly appreciated.
>> Regards,
>> Claudio
>>
>> --
>> Claudio Zanni
>> INAF - Osservatorio Astronomico di Torino
>> Via Osservatorio 20
>> 10025 Pino Torinese (TO), Italy
>> tel. +39 011 8101907 <tel:%2B39%20011%208101907>
>> fax +39 011 8101930 <tel:%2B39%20011%208101930>
>>
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>>
>>
>
>
> --
> Claudio Zanni
> INAF - Osservatorio Astronomico di Torino
> Via Osservatorio 20
> 10025 Pino Torinese (TO), Italy
> tel.+39 011 8101907 <tel:%2B39%20011%208101907>
> fax+39 011 8101930 <tel:%2B39%20011%208101930>
>
>
> _______________________________________________
> Powered by www.kitware.com <http://www.kitware.com>
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the ParaView Wiki at:
> http://paraview.org/Wiki/ParaView
>
> Follow this link to subscribe/unsubscribe:
> http://www.paraview.org/mailman/listinfo/paraview
>
>
>
>
> --
> Robert Maynard
>
>
>
>
> --
> Robert Maynard
--
Claudio Zanni
INAF - Osservatorio Astronomico di Torino
Via Osservatorio 20
10025 Pino Torinese (TO), Italy
tel. +39 011 8101907
fax +39 011 8101930
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