[Yt-svn] yt-commit r1718 - trunk/yt/lagos

[mturk at wrangler.dreamhost.com]

Author: mturk
Date: Wed May 12 13:34:15 2010
New Revision: 1718
URL: http://yt.enzotools.org/changeset/1718

Log:
DivV should NOT have an abs taken.  Added new field that takes the abs.



Modified:
   trunk/yt/lagos/UniversalFields.py

Modified: trunk/yt/lagos/UniversalFields.py
==============================================================================
--- trunk/yt/lagos/UniversalFields.py	(original)
+++ trunk/yt/lagos/UniversalFields.py	Wed May 12 13:34:15 2010
@@ -466,12 +466,20 @@
     f -= data["z-velocity"][1:-1,1:-1,sl_left ]/ds
     new_field = na.zeros(data["x-velocity"].shape, dtype='float64')
     new_field[1:-1,1:-1,1:-1] = f
-    return na.abs(new_field)
+    return new_field
 def _convertDivV(data):
     return data.convert("cm")**-1.0
 add_field("DivV", function=_DivV,
             validators=[ValidateSpatial(1,
             ["x-velocity","y-velocity","z-velocity"])],
+          units=r"\rm{s}^{-1}", take_log=False,
+          convert_function=_convertDivV)
+
+def _AbsDivV(field, data):
+    return na.abs(data['DivV'])
+add_field("AbsDivV", function=_AbsDivV,
+            validators=[ValidateSpatial(1,
+            ["x-velocity","y-velocity","z-velocity"])],
           units=r"\rm{s}^{-1}",
           convert_function=_convertDivV)