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 <[email protected]> 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 > > 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 > blockedhttps://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 < > [email protected]> wrote: > >> Claudio, >> >> I'll take a look at get back. >> >> Utkarsh >> >> >> On Fri, Nov 9, 2012 at 9:54 AM, Claudio Zanni <[email protected]> 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 <%2B39%20011%208101907> >>> fax +39 011 8101930 <%2B39%20011%208101930> >>> >>> _______________________________________________ >>> Powered by 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 >>> >> >> > > > -- > Claudio Zanni > INAF - Osservatorio Astronomico di Torino > Via Osservatorio 20 > 10025 Pino Torinese (TO), Italy > tel. +39 011 8101907 > fax +39 011 8101930 > > > _______________________________________________ > Powered by 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
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