[Chimera-users] Smooth "Rocking" Loop Movie

Elaine Meng meng at cgl.ucsf.edu
Wed Jun 14 14:00:00 PDT 2017


Hi Andrew,
I don’t know how you are looping, but if I use View… Loop in Quicktime Player, I don’t see any pause in the movie created with command script:

movie record
rock y 10 68;wait
rock y -10 68; wait
movie stop
movie encode ~/Desktop/test.mov

… also your commands are a little weird because rock will already change direction, so you get an identical movie by running a full cycle of rocking, e.g.:

movie record
rock y 10 136;wait
movie stop
movie encode ~/Desktop/test2.mov

If you are using some other method of looping, maybe it is repeating the end frames.  I don’t know if this “View… Loop” display in Quicktime Player goes from the 136th to the first or assumes they are the same and goes to the second instead.
Best,
Elaine
-----
Elaine C. Meng, Ph.D.                       
UCSF Chimera(X) team
Department of Pharmaceutical Chemistry
University of California, San Francisco

> On Jun 14, 2017, at 5:38 AM, Andrew Oliver, II <aoliver2 at hotmail.com> wrote:
> 
> Dear Chimera,
> I am trying to create a "rocking" movie of a molecule that will continuously loop. I am using the command:
> 
> movie record; rock y 10 68; wait;
>  rock y -10 68; wait; movie stop; movie encode
> 
> However, when I do this, there is always a slight pause at the end of the movie, before it starts the next loop -- which means it doesn't loop smoothly.
> 
> Is there a way to create the movie so that there will be no pause before each successive loop?
> 
> Many thanks,
> Andrew Oliver




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