[Chimera-users] Contour level animation ?

esserlo at helix.nih.gov esserlo at helix.nih.gov
Sat Feb 4 08:50:47 PST 2017


  thanks. Sorry it was late and I used your e-mail instead of chimera-users.
Have a nice day.


>> On Feb 3, 2017, at 4:21 PM, esserlo at helix.nih.gov wrote:
>> Hi Elaine,
>>  for a small demonstration, I want to make a movie in chimera where I
>> animate
>> a change in contour level. I have an EM map with noisy features that improve
>> upon changing the level. I can do it by hand in the volume section but I
>> cannot figure out what parameter it is even if I wanted to set it on the
>> command line.
>> Setting it on the command line I suppose would be the first step but then my
>> question is: can this parameter be changed during an animation?
>> Thanks,
>>   Lothar
> Hi Lothar,
> Yes, you can use the “volume” command “level” option to change the
> contour level.
> <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/volume.html>
> <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/volume.html#general>
> The “volume” command doesn’t itself have frames option, but you can
> combine it with the “perframe” command to perform a gradual change in a
> single line, as illustrated with this video mini-example:
> <http://www.cgl.ucsf.edu/chimera/data/movie-howto-mar2012/movie_examples.html#contour>
> We generally encourage emailing questions to chimera-users (CC’d here)
> unless they involve private data, since others may like to know the answer.
> I hope this helps,
> Elaine
> -----
> Elaine C. Meng, Ph.D.
> UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
> Department of Pharmaceutical Chemistry
> University of California, San Francisco

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