[Chimera-users] matrixget/set, keyframes, and interpolation

Jonathan Hilmer jkhilmer at gmail.com
Thu Jun 15 19:55:24 PDT 2006

Does anyone have experience making movies in Chimera used more
advanced motions, besides the standard roll, rock, etc?

My general idea is to use matrixget to output a series of matrices,
interpolate them in my standard Python environment (which is related
to the question from Vol 38, Issue 10), and create as output a Chimera
script composed of hundreds of 'matrixset' matrices.

The Python Computer Graphics Kit (http://cgkit.sourceforge.net) will
give me the functions for quaternions, as would ScientificPython or
pythonOpenGL, but a quick review of their documentation suggests that
in any package it will be necessary to interpolate the rotation
separately from the translation: obviously it would be more convenient
if there is a package that can transparently interpolate the matrices
as provided by Chimera.

Has anyone gone through this issue before, hopefully with some tips for me?


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