Right, I see - thanks Tom. I haven’t explored the movie scripting too much yet, I will have to have a play with it.

Oliver.
On Apr 2, 2015, at 12:05 PM, Tom Goddard <goddard@sonic.net> wrote:

Hi Oliver,

  The animation timeline has limited capabilities and is useful for very simple movies.  To make any fancier movie you use a command script and movie command.  The perframe command can vary a map threshold level

perframe "vol #0 level .1 level $1" range .1,.02 frames 100

 as illustrated on the movie command examples page


  Tom



On Apr 1, 2015, at 11:47 AM, Oliver Clarke <olibclarke@gmail.com> wrote:

Is there any way to alter the density level in a gradual fashion during an animation?

I would like to first show the overall envelope of a cryoEM map, and then smoothly change to a higher contour level where I can see helices etc.

Many other parameters, such as the presence of a MSMS surface or the position of a clipping plane, seem to automatically gradually transition between two key frames of an animation, but density level doesn’t seem to do so.

Oliver.
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