[yt-svn] commit/yt-doc: sskory: Touching up the Rockstar docs.
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Mon Nov 26 11:01:25 PST 2012
1 new commit in yt-doc:
https://bitbucket.org/yt_analysis/yt-doc/changeset/dc8c2cecac47/
changeset: dc8c2cecac47
user: sskory
date: 2012-11-26 20:00:56
summary: Touching up the Rockstar docs.
affected #: 1 file
diff -r 249744befbb764db4362ca494142637238223504 -r dc8c2cecac47eac70516e09572cd1aa4273c823c source/analysis_modules/running_halofinder.rst
--- a/source/analysis_modules/running_halofinder.rst
+++ b/source/analysis_modules/running_halofinder.rst
@@ -8,10 +8,10 @@
method described in `Eisenstein and Hut (1998) <http://adsabs.harvard.edu/abs/1998ApJ...498..137E>`_.
A basic friends-of-friends (e.g. `Efstathiou et al. (1985) <http://adsabs.harvard.edu/abs/1985ApJS...57..241E>`_)
halo finder is also implemented.
-Parallel HOP (` Skory et al. (2010) <http://adsabs.harvard.edu/abs/2010ApJS..191...43S>`_)
+Parallel HOP (`Skory et al. (2010) <http://adsabs.harvard.edu/abs/2010ApJS..191...43S>`_)
is a true parallelization of the HOP method can analyze massive datasets on
hundreds of processors.
-Finally Rockstar (` Behroozi et a. (2011) <http://adsabs.harvard.edu/abs/2011arXiv1110.4372B>`_)
+Finally Rockstar (`Behroozi et a. (2011) <http://adsabs.harvard.edu/abs/2011arXiv1110.4372B>`_)
is a 6D-phase space halo finder developed by Peter Behroozi
that excels in finding subhalos and substrcture,
but does not allow multiple particle masses.
@@ -463,14 +463,15 @@
groups in six phase-space dimensions and one time dimension, which
allows for robust (grid-independent, shape-independent, and noise-
resilient) tracking of substructure. The code is prepackaged with yt,
-but separately available <http://code.google.com/p/rockstar>. The lead
+but also `separately available <http://code.google.com/p/rockstar>`_. The lead
developer is Peter Behroozi, and the methods are described in `Behroozi
-et al. 2011 <http://rockstar.googlecode.com/files/rockstar_ap101911.pdf>.`
+et al. 2011 <http://rockstar.googlecode.com/files/rockstar_ap101911.pdf>`_.
.. note:: At the moment, Rockstar does not support multiple particle masses,
instead using a fixed particle mass. This will not affect most dark matter
simulations, but does make it less useful for finding halos from the stellar
- mass.
+ mass. Also note that halo finding in a subvolume is not supported by
+ Rockstar.
To run the Rockstar Halo finding, you must launch python with MPI and
parallelization enabled. While Rockstar itself does not require MPI to run,
@@ -509,13 +510,13 @@
Cannot vary between particles.
* ``dm_type``, the index of the dark matter particle. Default is 1.
* ``outbase``, This is where the out*list files that Rockstar makes should be
- placed. Default is 'rockstar_halos'.
+ placed. Default is 'rockstar_halos'.
* ``num_readers``, the number of reader tasks (which are idle most of the
- time.) Default is 1.
+ time.) Default is 1.
* ``num_writers``, the number of writer tasks (which are fed particles and
- do most of the analysis). Default is MPI_TASKS-num_readers-1.
- If left undefined, the above options are automatically
- configured from the number of available MPI tasks.
+ do most of the analysis). Default is MPI_TASKS-num_readers-1.
+ If left undefined, the above options are automatically
+ configured from the number of available MPI tasks.
* ``force_res``, the resolution that Rockstar uses for various calculations
and smoothing lengths. This is in units of Mpc/h.
If no value is provided, this parameter is automatically set to
@@ -524,6 +525,7 @@
longest) in the time series:
``pf_last.h.get_smallest_dx() * pf_last['mpch']``.
+
Output Analysis
---------------
@@ -537,7 +539,7 @@
The halo list can be automatically generated from the RockstarHaloFinder
object by calling ``RockstarHaloFinder.halo_list()``. Alternatively, the halo
lists can be built from the RockstarHaloList class directly
-``LoadRockstarHalos(pf,''outbase/out_0.list')``.
+``LoadRockstarHalos(pf,'outbase/out_0.list')``.
.. code-block:: python
Repository URL: https://bitbucket.org/yt_analysis/yt-doc/
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