[yt-users] HDF5 output from Carpet (Cactus/Eintein toolkit) output

[Nathan Goldbaum]

I believe some people are working on a cactus frontend, at least there were
a few cactus users at the last development workshop at the NCSA.

I'm not sure what the status on that development is.

On Wed, Dec 10, 2014 at 11:16 AM, Michael Zingale <
michael.zingale at stonybrook.edu> wrote:

> Dumsani, yt handles fluid fields just fine, and is used for many AMR hydro
> codes.  There is not a frontend in yt for Cactus as best as I can see, so
> one would need to be written.  There are some docs up online:
>
> http://yt-project.org/docs/dev/developing/creating_frontend.html
>
> and some of the frontends use HDF5, so you should be able to copy from one
> of those.
>
> On Wed, Dec 10, 2014 at 12:23 PM, Dumsani Ndzinisa <
> g14n8326 at campus.ru.ac.za> wrote:
>
>>     Hi All,
>>     I have just learned about yt for large data visualization and
>> analysis.
>>     It looks like such a wonderful package for getting things done in a
>>     quicker and very high quality kind of manner.
>>     Hence, I wish to employ the package to work with data from an
>>     outputting code called Carpet(http://www.carpetcode.org) built on
>>     top of another code called Cactus (for computational astrophysics
>>     simulations, e.g. merging black holes or neutron stars). Carpet
>>     also performs some adaptive mesh refinement in Cactus, as well
>>     as parallelization tasks (along with handling the I/O tasks). All
>> these
>>     (cactus and Carpet) are part of a community-based code known
>>     as the Einstein Toolkit.
>>     Usually, one would be interested in creating some array of
>>     color-map snap-shots of 2D (2 spatial dimensions, plus the
>>     actual physical quantity) quantities from the resulting
>>     simulation data. Sometimes, such snap-shots could be
>>     meant to compare a certain quantity from various simulations.
>>     My general impression so far, however, is that the package
>>     seems be oriented towards systems that involve 'particles',
>>     like galaxies or similar bodies. Would it support the kind of
>>     data I'm working with (the 2D/3D scalars on refined grids,
>>     vectors, etc)? Or, would I need to try and extend yt to
>>     read/load my kind of data? Two output formats are possible
>>     from my simulations: HDF5 (CarpetIOHDF5, an adaptation of
>>     standard HDF5), and ASCII formats. I would prefer advice on
>>     the use of HDF5 though.
>>         Your advice will be highly appreciated.
>>         Kind regards
>>     Dumsani
>>
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>>
>
>
>
> --
> Michael Zingale
> Associate Professor
>
> Dept. of Physics & Astronomy • Stony Brook University • Stony Brook, NY
> 11794-3800
> *phone*:  631-632-8225
> *e-mail*: Michael.Zingale at stonybrook.edu
> *web*: http://www.astro.sunysb.edu/mzingale
>
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