Re: [Jmol-users] Jmol CAPTURE command?

[Robert H. <ha...@st...>]

http://chemapps.stolaf.edu/jmol/zip/jmol-13.3.6_2013.09.22.zip
see also

http://chemapps.stolaf.edu/jmol/docs/img/haptic2c.gif
http://chemapps.stolaf.edu/jmol/docs/img/haptic2.gif
http://chemapps.stolaf.edu/jmol/docs/img/cycloflip.gif

Turns out, though, animated GIF files are pretty big. Maybe there are some
tricks, but if a GIF file is 2.5 Mb, you might as well just load the full
Jmol applet and do it all interactively. Point being that animated GIFs are
really only for very small images, I think. But it was fun getting this to
work, and I will look into the webm idea.

Bob







On Sat, Sep 21, 2013 at 2:26 PM, Otis Rothenberger <osr...@ch...>wrote:

> Bob,
>
> I like the idea of automating image capture.
>
> Would your GIF/IMAGE capture be able to capture a molfile frames animation
> that is being run by another script?
>
> Could you set molecular stages in Jmol and control individual IMAGE frame
> capture manually? This is tedious, but sometimes useful.
>
> Otis
>
> --
> Otis Rothenberger
> ot...@ch...
> http://chemagic.com
>
>
>
>
> On Sep 21, 2013, at 11:38 AM, Robert Hanson wrote:
>
> Working on a CAPTURE command:
>
> capture "motions.gif"
> capture off
>
> Idea is to create animated GIFs either from the app, signed applet, or
> HTML5. The CAPTURE command would start capturing image production and
> sending it to an output stream (local file or web-based), and the capture
> OFF command would close the stream and deliver the file. I thought I could
> use
>
>   set ANIMATIONFPS
>
> to set the frame rate for the GIF animation.
>
> I'm most of the way through re-writing the GIF encoder to allow this, and
> it is going very well.
>
> I was thinking we also could have something like
>
>    ANIMATION CAPTURE "animation.gif"
>
> I don't think it's going to be easy to write a MOV or MP4 writer, but
> another option would be to create a ZIP file containing all the frames in
> other image formats such as PNG or JPG.
>
> Suggestions are welcome.
>
> Bob
>
>
> --
> Robert M. Hanson
> Larson-Anderson Professor of Chemistry
> St. Olaf College
> Northfield, MN
> http://www.stolaf.edu/people/hansonr
>
>
> If nature does not answer first what we want,
> it is better to take what answer we get.
>
> -- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
>
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-- 
Robert M. Hanson
Larson-Anderson Professor of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr


If nature does not answer first what we want,
it is better to take what answer we get.

-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900