[Chimera-users] Morph conformations feature request

Elaine Meng meng at cgl.ucsf.edu
Tue Nov 11 11:43:15 PST 2014

Hi Oliver,
With Morph Conformations you can create the morph trajectory so that it includes the forward and backward morphs.  For example, instead of aimply morphing 0 -> 1 you can add the same input conformation twice so that you are morphing 0 -> 1 -> 0 (in a single forward playback).
I hope this helps,
Elaine C. Meng, Ph.D.                       
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

On Nov 11, 2014, at 9:44 AM, Oliver Clarke <olibclarke at gmail.com> wrote:

> Greetings,
> I like the “Morph Conformations” tool in chimera, and use it a lot (as well as the equivalent tool for maps). In particular, I will often record a movie with the “encode forward then back” option selected, as I find this gives a much better looping animation that is easier to interpret.
> When playing the movie from within chimera (In the “MD Movie: Molecular Movement of Morph” dialog”), however, this option is not available - one can loop the animation, but it just jumps back to the start after completion, which can look rather jerky and disjointed, rather than playing forward then back, which I find gives a smoother animation that is better for analyzing the meaning of any conformational change.
> Would it be possible to add an alternative checkbox, next to “Loop”, to make this option available?
> Best,
> Oliver.

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