[Chimera-users] Split view feature

Markus Heller mheller at cdrd.ca
Mon Oct 3 14:21:44 PDT 2016

Hi Elaine,

Thanks, your suggestion works!  I'd still like to upvote such a split screen for ChimeraX, though :)


-----Original Message-----
From: Elaine Meng [mailto:meng at cgl.ucsf.edu] 
Sent: Saturday, October 01, 2016 8:27 AM
To: Markus Heller
Cc: chimera List
Subject: Re: [Chimera-users] Split view feature

Hi Markus,
The closest thng available in Chimera is to:

(1) superimpose the structure and/or map models
(2) translate them apart without rotating
(3) set independent rotation mode
(4) (optionally) set orthographic projection so you aren't viewing them at slightly different angles

It is not exact, in that the individual centers of rotation are not necessarily exactly superimposed when the models are superimposed.  So after a bunch of interactive rotations they might seem a little out of sync.  I would save the positions after steps #1 and #2 so that they can be restored easily (commands savepos and reset).

Details on the steps...
(1) use your preferred method of superposition <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/superposition.html>

(2) "move" command, e.g.: move x 20 mod #4; move x -20 mod #3 <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/move.html>

(3) "set independent" or equivalent setting in Rotation tool (menu under Tools... Movement) <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/set.html>

(4) "set projection orthographic" or equivalent setting in Camera tool (menu under Tools... Viewing Controls)

There are so many possible features for ChimeraX and many of them have not been decided upon definitively.  However, you can always mention things that you believe would be highly useful, as it may help us prioritize the giant list!

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 Sep 30, 2016, at 10:41 PM, Markus Heller <mheller at cdrd.ca> wrote:

> Hi all,
> Not sure split view is the proper term for what I'm looking for but here goes:  I want to compare to structures of two proteins bound to their respective ligands, and I do NOT want to do this as overlay.  What I want is a split screen or split view in the Chimera main window, where one structure is displayed on the left, and the other on the right.  Movements (rotation, translation etc.) would be synchronized between both windows, whereas other functionality such as Zone select, find Hbonds etc. would not.
> Is such a feature available for the current release, or is it planned for ChimeraX?
> Thanks and Cheers
> Markus
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