From: John Stone (
Date: Wed Apr 10 2002 - 09:18:24 CDT

  I'm forwarding Andrew Henry's post, since the list bounced his first

----- Forwarded message from -----
From: Andrew Henry <>
To: "'Paul Hubbard'" <>
Cc: vmd <>
Subject: RE: Animation
Date: Wed, 10 Apr 2002 09:33:49 +0100

Paul Hubbard [] wrote:

>Thanks for the reponses. I have been thinking, if I interpolate the 2
>molecules, the correponding atoms would move in a straight line. This
>would be bad since they actually move in arc (i.e., torsion about 2 bonds).

>I would like all bond lengths (and most bond angles) fixed. If you could
>tell me what commands I need for interpolation about multiple torsion
>angles, and some poniters/example scripts, that would be great.

The Morphing server at
might help with this. You can get up to 30 semi plausible intermediate
structures between a start and finish structures that you supply.

Andrew Henry
Senior Research Associate
Millennium Pharmaceuticals Ltd
Granta Park
Great Abington
Cambridge CB1 6ET
tel +44 1223 722453
fax +44 1223 722401

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