[Paraview] paraview & HDF5/XDMF: how to control memory usage?

[David E DeMarle]

Yes please send me a link and I will try and take a look.


On Tuesday, June 10, 2014, Jason Fleming <jason.fleming at seahorsecoastal.com>
wrote:

> Hello
>
> I would also like to that it is great to hear that a next generation XDMF
> reader is in the works for Paraview. I've used XDMF files very successfully
> with Paraview; both manually generated XML to go with NetCDF4 as well as
> HDF5/XML files generated using the XDMF2 API.
>
> The only rough spot I've had with the existing Paraview XDMF reader is
> that it seems to use more and more memory when generating a time series
> animation. If the dataset is large enough, the Paraview process will
> eventually run out of memory. I have an unchanging unstructured mesh with
> nodally centered data and a temporal collection with one XML file and one
> heavy data file containing all time steps.
>
> I can provide a link to full size data files if that helps the
> development/test process.
>
> Cheers
> Jason
>
>
> On Tue, Jun 10, 2014 at 3:05 AM, Favre Jean <jfavre at cscs.ch
> <javascript:_e(%7B%7D,'cvml','jfavre at cscs.ch');>> wrote:
>
>>
>> Allow me to add my 2 cents to this thread, since Dave talks about a new
>> generation xdmf reader/writer in the making.
>>
>> I too use a series of files for each timestep ( one XMF file and one HDF5
>> file per step), since I have discovered that creating temporal collections
>> does not work correctly if the grid resolution changes over the timesteps.
>> I have a multi-resolution simulation. The grid starts at low res., then the
>> resolution steadily increases. Using a temporal collection in XDMF, the
>> grid resolution of the first grid in the temporal collection is used
>> throughout the full time series. I see my data is read correctly, but is
>> truncated by the lowest resolution bounds.
>>
>> I hope this gets fixed with the new reader.
>> TIA.
>>
>> -----------------
>> Jean/CSCS
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>
>
>
> --
> Dr. Jason G. Fleming
> Chief Engineer, Seahorse Coastal Consulting
> 3103 Mandy Ln
> Morehead City, NC 28557
> Tel: (252) 726-6323
> Mobile: (252) 269-0962
> Web: http://www.seahorsecoastal.com
>


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