[Chimera-users] Nutate or lemniscate program to scenes/animation?

Hurt, Darrell (NIH/NIAID) [E] darrellh at niaid.nih.gov
Mon Nov 19 11:30:40 PST 2012


Hi Conrad,

This motion is very similar to what I was imagining, but it is not
precisely there. Although the object wobbles, what I see is a precession
about the Z axis. It takes 4 cycles of this motion to return a given point
to its starting position. A true nutation would return a given point to
its starting position after one cycle.

The difference can be seen in these two contrasting Wikipedia entries:
http://en.wikipedia.org/wiki/Precession
http://en.wikipedia.org/wiki/Nutating_disc_engine

Thanks for helping me!

Darrell



Darrell Hurt, Ph.D.
Section Head, Computational Biology
Bioinformatics and Computational Biosciences Branch (BCBB)
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On 11/19/12 1:50 PM, "Conrad Huang" <conrad at cgl.ucsf.edu> wrote:

>rock x 5 cycle 180 ; wait 45 ; rock y 5 cycle 180




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