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

Conrad Huang conrad at cgl.ucsf.edu
Mon Nov 19 10:50:18 PST 2012

Can you try the following command in Chimera and see whether it produces 
the "nutating" or "lemniscating" motion (I love those words):

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

Obviously the initial 45 frames needs to be excised, but is the motion 
after that the type of motion you described?


On 11/16/12 12:36 PM, Hurt, Darrell (NIH/NIAID) [E] wrote:
> Hi Chimera folks!
> I love, love, love the new scene-based animation! I know that it is
> still under development, but it is fantastic! And the "Animation"
> utility panel is easy to use and understand. I love the "Rock" and
> "Roll" "Actions" available in the Animation panel. That goes a long
> way to making movie-making a point-and-click affair!
> I would like to suggest or propose one more "Action" in addition to
> "Rock" and "Roll". It is "nutate" or "lemniscate". It is basically a
> "rock" in both the X and Y planes at the same time. I think that it
> can be coded relatively simply with a cosine function about the X
> axis concomitant to the sine function about the Y axis that is
> driving the current "Rock". You can see an example of what I'm
> talking about here: http://youtu.be/55_cmJLe3Is
> Also, if I could, I would also suggest or propose that the "Rock" and
> "Nutate/Lemniscate" have a single parameter to control the "width" of
> the rock or nutation/lemniscation — maybe choices of 15, 30, 45, and
> 60 degrees or a free-form entry.
> Thanks for everything you do!
> Best wishes, Darrell
> Darrell Hurt, Ph.D. Section Head, Computational Biology
> Bioinformatics and Computational Biosciences Branch (BCBB)
> 31 Center Drive, Room 3B62B, MSC 2135 Bethesda, MD 20892-2135 Office
> 301-402-0095 Mobile 301-758-3559 http://bioinformatics.niaid.nih.gov
> (Within NIH) http://exon.niaid.nih.gov (Public)
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