Re: creating movies from simulation output
Dear Matteo,
did you try the ffmpeg option -r to specify the framerate?
Just add "-r 5" to your ffmpeg command in order to create
a movie with 5 frames per second.
Regards,
Joris Mooij
On Mon, May 07, 2007 at 03:11:58PM +0200, Matteo Semplice wrote:
> Dear everybody,
> I am wondering whether anyone has already come up with a decent solution to
> the following problem.
> I have a rather complicated simulation code that outputs 3D data for a
> time-dependent problem. I transform the data into frames (using opendx, "dx"
> package) and next I want to assemble them into a movie. Currently the frames
> are .miff files, but opendx can write into zillions of formats, so I can
> easily change this. On the other hand I do not want to give on opendx to
> handle the visualization.
>
> It is critical that the movie should contain my frames (say frame001,
> frame002, etc) at no more than 5 frames per second. Hence a dumb run of
> ffmpeg creates movies that run too fast.
> Up to now I do "convert frames00* -delay 15 movie.gif" and create an animated
> gif. This however crates a really huge file and it also seems to raise
> compatibility issues when used under a third party O.S. which I don't name...
> (I cannot chose the OS of the pc at the hosting institution, when I give a
> presentation!)
>
> So, here are my questions:
> 1- which movie format should I use to have maximum compatibility whilst taking
> advantage of compression? (Ideally it should be usable with \movie from LaTeX
> beamer)
> 2- what's the best tool to create movies of the above format, at a chosen
> frame rate?
>
> Matteo
>
> --
> Matteo Semplice
> Dip. di Matematica - Via Saldini,50
> Tel: 02 50316170 (Int 16170)
>
>
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