[Users] Merging CarpertIOHDF5 output from several checkpoints

dumsani g14n8326 at campus.ru.ac.za
Tue Oct 4 15:43:41 CDT 2016

Hi Frank, Everyone,

I have looked at the links you sent through. Exactly the same topic I'm 
interested in. I'm sorry not to have seen and read that thread first.

To begin with, I am trying the option where I must compile the updated 
CarpetHDF5 reader plugin into my VisIt installation. I traced that 
version down to this site 
https://bitbucket.org/rhaas80/carpethdf5/overview (thanks to the 
communication thread). At the moment, I need to resolve a few issues in 
the build (it fails due to a missing library):

*** No rule to make target 
`/usr/local/visit/2.10.3/linux-x86_64/lib/libdl.so', needed by 
make[1]: *** [CMakeFiles/ECarpetHDF5Database_par.dir/all] Error 2

But I think the VisIt people would be the ones to help with this build 
issue. I'm just mentioning it here in case someone else happens to have 
come across and solved this before.

Thanks for the python script as well.

On 04/10/2016 17:05, dumsani wrote:
> Hi Frank,
> Thanks for the links. I'll have a look.
> On 04/10/2016 16:24, Frank Loeffler wrote:
>> On Sat, Oct 01, 2016 at 01:38:25PM +0200, dumsani wrote:
>>> I use VisIt too for the HDF5 output and sure, it does pick up the files
>>> from
>>> all processes (var.file_*.h5) to open them as as a single (virtual)
>>> database.
>>> Your second point does answer my question anyway. Thanks.
>>> I'll have to figure out some work-around, e.g. processing the output
>>> from
>>> each individual checkpoint directory.
>> Take a look at the following:
>>   http://lists.einsteintoolkit.org/pipermail/users/2016-May/004802.html
>> And especially this script:
>>   http://lists.einsteintoolkit.org/pipermail/users/attachments/20160517/3d663419/attachment.py
>> It might not do exactly what you want, but it should be easy to adapt.
>> Frank
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