[Users] HDF Output for Wavedemo

[Yaakoub El Khamra]

Greetings

> 1.) How do you specify output to be generated in hdf format rather than 
> .xg etc or in addition.
You will need to do the following:
1) Make sure you have the CactusPUGHIO/IOHDF5 and
CactusPUGHIO/IOHDF5Util in arrangements, if you don't you need to check
them out
2) Add the CactusPUGHIO/IOHDF5 and CactusPUGHIO/IOHDF5Util to your
configuration's thornlist (edit the file
configs/<configuration_name>/ThornList
3) Compile the configuration
4) Edit the parameter file you want to use with the executable you just compiled, 
add IOHDF5 and IOHDF5Util to the list of active thorns
5) Add the parameters that control the HDF5 IO to the parameter file, things like:
iohdf5::out_dir="/scratch/"
iohdf5::out_vars="phi"
iohdf5::out_every = 10

You can find a list of parameters that you can add by looking at the param.ccl file in the IOHDF5 thorn.
The visualization How-To is helpful if you want to check it out:
http://www.cactuscode.org/Documentation/visualizationHowTo.txt
For other sample parameter files containing HDF5 you can have a look at the ones
we use for IO benchmarking
http://www.cactuscode.org/Benchmarks/benchio_hdf5



> 2.) the .xg files for Wavedemo are large and don't load into xgraph.  
> Can xgraph be configured to accept these?
Not sure if xgraph can be configured but for somewhat large data we tend
to use gnuplot for ASCII and for really large data we use HDF5. You
might want to check out the visualization webpage for Cactus:
http://www.cactuscode.org/Visualization/


> 
> Thanks for your time.
> 
> Sincerely,
> 
> R.Soares
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