[Yt-svn] yt-commit r1053 - trunk/yt/lagos/hop

[mturk at wrangler.dreamhost.com]

Author: mturk
Date: Sat Dec 27 10:06:16 2008
New Revision: 1053
URL: http://yt.spacepope.org/changeset/1053

Log:
Added pre-caching of particle attributes, to avoid having to grab them when
writing out the output (which would be done in serial!)



Modified:
   trunk/yt/lagos/hop/SS_HopOutput.py

Modified: trunk/yt/lagos/hop/SS_HopOutput.py
==============================================================================
--- trunk/yt/lagos/hop/SS_HopOutput.py	(original)
+++ trunk/yt/lagos/hop/SS_HopOutput.py	Sat Dec 27 10:06:16 2008
@@ -263,6 +263,9 @@
         self.bounds = (LE, RE)
         # reflect particles around the periodic boundary
         self._reposition_particles((LE, RE))
+        self.data_source.get_data(["ParticleMassMsun"] +
+                                  ["particle_velocity_%s" % ax for ax in 'xyz'] +    
+                                  ["particle_position_%s" % ax for ax in 'xyz'])
         # MJT: This is the point where HOP is run, and we have halos for every
         # single sub-region
         super(HaloFinder, self).__init__(self.data_source, threshold, dm_only)