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Re: animated gif speed [message #87584 is a reply to message #87583]

Sat, 15 February 2014 15:53

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Paul Levine writes:

> 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

I'm guessing it might take 5 or 10 seconds to learn how to use
IDLffVideoWrite, assuming you have GIF files sitting around somewhere.

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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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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