[Users] Visualization of AHFinderDirect horizons

Eloisa Bentivegna eloisa.bentivegna at ct.infn.it
Tue Nov 10 09:36:37 CST 2015


On 09/11/15 19:50, Frank Loeffler wrote:
> 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.

Hi,

a few weeks ago, I suggested the following procedure to accomplish
exactly what Michael is asking for:

http://lists.einsteintoolkit.org/pipermail/users/2015-October/004582.html

Incidentally, Ian has started collecting all these recipes on the ET wiki:

https://docs.einsteintoolkit.org/et-docs/Visualization_recipes

Please consider contributing something!

Eloisa


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