Hi

Just one further improvement on capturing I'd like to suggest, if it's possible, that Jmol developers like yourself, Bob, get these GIF animations to be less grainy. For example, see this frame [1 <http://i.imgur.com/BpSheOK.png>] of the GIF I created using the latest version of Jmol, the 2014.10.15 one, and the following code (mostly based on Rolf's code with some personalization to my own liking):

   background yellow;
   set antialiasImages off;
   animation mode loop
   animation fps 10
   ndegrees = 2
   nFrames  = 180
   capture "bupropion-capture-antialias_off.gif" 1000 transparent;
   for (var i  = 1; i<= nFrames; i++) {
        rotate y @ndegrees;
        refresh;
   }
   capture;

Thanks for your time,
Brenton

On 16/10/2014 9:43 PM, Robert Hanson wrote:
Conceivable. I started to look into that; the background color is 00000 during processing, but then during antialiasing and transparency it has to be mixed in with other pixels. So it is not as simple as it sounds.

On Thu, Oct 16, 2014 at 3:21 AM, Rolf Huehne <[email protected] <mailto:[email protected]>> wrote:

    Am 16.10.14 00:29, schrieb Robert Hanson:
    > You can't expect a white background to ever work. It has to be a color
    > not represented in the structure.
    >
    Finding a suitable background color manually can be quite
    difficult. It
    might be very helpful to have a command that looks automatically for
    unused colors in the current rendering. For simple cases it could
    report
    a single suitable background color. For more complex cases (for
    example
    with a color animation where you would have to find a color
    suitable for
    all steps) it might alternatively provide a list of the named
    colors (to
    avoid reporting millions) that are unused.

    For the export of single images this could even be done automatically.
    But then one must be able to deactivate it for multiple images for an
    animation.

    Regards,
    Rolf

    
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--
Robert M. Hanson
Larson-Anderson Professor of Chemistry
Chair, Department 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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