[chimera-dev] Accessing rotation matrix of molecule models

Greg Couch gregc at cgl.ucsf.edu
Thu Jul 18 17:47:19 PDT 2002

On Thu, 18 Jul 2002, Thomas Goddard wrote:

>   When you get atom coordinates with atom.coord() you get the original
> xyz values from say a PDB file.  The m.openState.xform applied to those
> coordinates gives you the displayed xyz Chimera coordinates of the atom
> taking into account the rotation and translation.  So you should apply
> the xform before comparing distances between atoms in different molecules.

Use atom.xformCoord() to get the transformed coordinate.  Same thing,
but the transformation is done in C++ instead of Python.


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