[Users] Visualization of AHFinderDirect horizons

[Frank Loeffler]

On Mon, Nov 09, 2015 at 06:41:43PM +0000, Michael Clark wrote:
> We're looking for a way to visualize the horizons from AHF as snapshots in
> time, preferably in lockstep with data generated from CarpetIOHDF5.
> 
> We've been using VisIt to create plots and images of data generated by
> CarpetIOHDF5. We considered using the xdmf script mentioned in
> https://trac.einsteintoolkit.org/ticket/1828 but this seemed to trace out
> the apparent horizons over all time and did not appear suitable to creating
> a snapshot at a particular iteration.

You can give it the filename of a CarperIOHDF5 file, and it will then
only include time steps for which this file has data, and in case no AH
is found for time steps present there, will insert a bogus AH (not
visible) to make visit happy.

AH2xdmf.py --help    should help.

Frank

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