<meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div dir="ltr">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.<div><br></div><div>I'm not sure what the status on that development is.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Dec 10, 2014 at 11:16 AM, Michael Zingale <span dir="ltr"><<a href="mailto:michael.zingale@stonybrook.edu" target="_blank">michael.zingale@stonybrook.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">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:<div><br></div><div><a href="http://yt-project.org/docs/dev/developing/creating_frontend.html" target="_blank">http://yt-project.org/docs/dev/developing/creating_frontend.html</a><br></div><div><br></div><div>and some of the frontends use HDF5, so you should be able to copy from one of those. </div></div><div class="gmail_extra"><div><div class="h5"><br><div class="gmail_quote">On Wed, Dec 10, 2014 at 12:23 PM, Dumsani Ndzinisa <span dir="ltr"><<a href="mailto:g14n8326@campus.ru.ac.za" target="_blank">g14n8326@campus.ru.ac.za</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Hi All,<br>
I have just learned about yt for large data visualization and analysis.<br>
It looks like such a wonderful package for getting things done in a<br>
quicker and very high quality kind of manner.<br>
Hence, I wish to employ the package to work with data from an<br>
outputting code called Carpet(<a href="http://www.carpetcode.org" target="_blank">http://www.carpetcode.<u></u>org</a>) built on<br>
top of another code called Cactus (for computational astrophysics<br>
simulations, e.g. merging black holes or neutron stars). Carpet<br>
also performs some adaptive mesh refinement in Cactus, as well<br>
as parallelization tasks (along with handling the I/O tasks). All these<br>
(cactus and Carpet) are part of a community-based code known<br>
as the Einstein Toolkit.<br>
Usually, one would be interested in creating some array of<br>
color-map snap-shots of 2D (2 spatial dimensions, plus the<br>
actual physical quantity) quantities from the resulting<br>
simulation data. Sometimes, such snap-shots could be<br>
meant to compare a certain quantity from various simulations.<br>
My general impression so far, however, is that the package<br>
seems be oriented towards systems that involve 'particles',<br>
like galaxies or similar bodies. Would it support the kind of<br>
data I'm working with (the 2D/3D scalars on refined grids,<br>
vectors, etc)? Or, would I need to try and extend yt to<br>
read/load my kind of data? Two output formats are possible<br>
from my simulations: HDF5 (CarpetIOHDF5, an adaptation of<br>
standard HDF5), and ASCII formats. I would prefer advice on<br>
the use of HDF5 though.<br>
Your advice will be highly appreciated.<br>
Kind regards<br>
Dumsani<br>
<br>
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</blockquote></div><br><br clear="all"><div><br></div></div></div><span class="HOEnZb"><font color="#888888">-- <br><div><div>Michael Zingale</div><div>Associate Professor</div><div><br></div><div>Dept. of Physics & Astronomy • Stony Brook University • Stony Brook, NY 11794-3800</div><div><i>phone</i>: <a href="tel:631-632-8225" value="+16316328225" target="_blank">631-632-8225</a></div><div><i>e-mail</i>: <a href="mailto:Michael.Zingale@stonybrook.edu" target="_blank">Michael.Zingale@stonybrook.edu</a></div><div><i>web</i>: <a href="http://www.astro.sunysb.edu/mzingale" target="_blank">http://www.astro.sunysb.edu/mzingale</a></div></div>
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