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animated gif speed [message #87583]

Sat, 15 February 2014 15:41

Paul Levine
Messages: 29
Registered: February 2008

Junior Member

So far, when it comes to animations, my needs have been very simple,
and I have been able to accomplish what I want (using new graphics)
with the /APPEND keyword to the write method and the GIF file suffix,
which gives me a nice little animated gif.

Now I would like to be able to control the "playback speed" of the
animated gif, which if I understand correctly, is basically a delay (in
1/100th of a second) specified for each frame that it waits before
advancing to the subsequent frame. But it seems my rather simple method
is too limited for this, as there is no DELAY_TIME keyword in new
graphics as there is in the WRITE_GIF procedure.

I have looked at http://www.idlcoyote.com/tips/howmovie.html but as I
am an IDL neophyte with a less-than-rudimentary understanding of how to
use objects, it will take some substantial learning on my part to
figure out how to actually implement any of that advice. Of course,
learning is never a bad thing, but with the limited time I have, I am
trying to figure out whether I would be better served learning the ins
and outs of the IDLffVideoWrite object (and object oriented programming
in general) or whether there is an easier way to take the output of my
already-existing function graphics and create an animated GIF (or
otherwise) with control over the playback speed

Thanks in advance!

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[Message index]

		animated gif speed By: Paul Levine on Sat, 15 February 2014 15:41
		Re: animated gif speed By: David Fanning on Sat, 15 February 2014 15:53
		Re: animated gif speed By: Paul Levine on Sat, 15 February 2014 16:15
		Re: animated gif speed By: David Fanning on Sat, 15 February 2014 16:23
		Re: animated gif speed By: Paul Levine on Sat, 15 February 2014 19:22
		Re: animated gif speed By: Fabzi on Sun, 16 February 2014 01:55
		Re: animated gif speed By: Paul Van Delst[1] on Wed, 19 February 2014 13:32
		Re: animated gif speed By: Dick Jackson on Mon, 17 February 2014 14:36
		Re: animated gif speed By: Paul Levine on Tue, 18 February 2014 16:17

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