r9178 - /branches/frame_order/maths_fns/rotation_matrix.py -- July 02, 2009 - 15:25

Author: bugman
Date: Thu Jul  2 15:25:08 2009
New Revision: 9178

URL: http://svn.gna.org/viewcvs/relax?rev=9178&view=rev
Log:
Bug fix for the R_to_axis_angle() function.  The axis needs to be normalised.


Modified:
    branches/frame_order/maths_fns/rotation_matrix.py

Modified: branches/frame_order/maths_fns/rotation_matrix.py
URL: 
http://svn.gna.org/viewcvs/relax/branches/frame_order/maths_fns/rotation_matrix.py?rev=9178&r1=9177&r2=9178&view=diff
==============================================================================
--- branches/frame_order/maths_fns/rotation_matrix.py (original)
+++ branches/frame_order/maths_fns/rotation_matrix.py Thu Jul  2 15:25:08 2009
@@ -207,6 +207,9 @@
     t = matrix[0,0] + matrix[1,1] + matrix[2,2]
     theta = atan2(r, t-1)
 
+    # Normalise the axis.
+    axis = axis / r
+
     # Return the data.
     return axis, theta