[Chimera-users] Crossfade and disp

Tom Goddard goddard at sonic.net
Tue Dec 20 13:59:09 PST 2016


Hi Daniel,

  Yes there is a frame drawn between each command that is on a separate line in the Chimera command file.  So the crossfade you want should use commands

disp #2
movie crossfade 25
~disp #2 ; disp #3

where the display of model #3 is done on the same line, separated by a colon, after the crossfade command.  You can put as many commands on a line as you want separated by semicolons.  These behaviors are documented although there is so much Chimera documentation it may be hard to find.

	Tom

> On Dec 20, 2016, at 1:52 PM, Daniel Asarnow <dasarnow at gmail.com> wrote:
> 
> Hello Chimera experts,
> Here is another movie making question. I noticed that disp and ~disp trigger frames to be recorded, without a call to wait.
> 
> For example:
> 
> disp #2
> movie crossfade 25
> ~disp #2
> disp #3
> 
> This would produce a movie that crossfades from model #2 to blank, with #3 suddenly appearing.
> 
> To get crossfades between two ligands, I had to use:
> 
> disp #2 
> movie crossfade 25
> perframe "~disp #2" frames 1
> disp #3
> movie crossfade 25
> 
> Based on the documentation I wasn't sure if this was intended behavior or a bug. Did I miss a more elegant way to crossfade between two models?
> 
> Thanks,
> -da
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