Exporting animations

[Hannes Kessler]

Hello,

is there a possibility to adjust the animation rate or speed when
exporting a Manipulate / ControllerManipulate / Animate object with a
fixed number of plots to an .avi file? In Mathematica the
AnimationRate option of Animate works fine, but in the avi-player the
animation runs much too fast.

Best regards,
Hannes Kessler

[Sjoerd C. de Vries]

The Export of AVIs can make use of the "FrameRate" option. Have you
tried this?

Cheers -- Sjoerd

On Apr 16, 10:15 am, Hannes Kessler <HannesKess...@hushmail.com>
wrote:

[Alexei Boulbitch]

Hello,

is there a possibility to adjust the animation rate or speed when
exporting a Manipulate / ControllerManipulate / Animate object with a
fixed number of plots to an .avi file? In Mathematica the
AnimationRate option of Animate works fine, but in the avi-player the
animation runs much too fast.

Best regards,
Hannes Kessler

Hi, Hannes,

when exporting to a movie you can play with FrameRate option. Have a
look here:

http://forums.wolfram.com/mathgroup/archive/2008/Nov/msg00197.html

for some further details.
Success, Alexei

--
Alexei Boulbitch, Dr., habil.
Senior Scientist

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[Helen Read]

Sjoerd C. de Vries wrote:
> On Apr 16, 10:15 am, Hannes Kessler <wrote:

>
>> is there a possibility to adjust the animation rate or speed when
>> exporting a Manipulate / ControllerManipulate / Animate object with a
>> fixed number of plots to an .avi file? In Mathematica the
>> AnimationRate option of Animate works fine, but in the avi-player the
>> animation runs much too fast.
>

> The Export of AVIs can make use of the "FrameRate" option. Have you
> tried this?

I have found that setting the "AnimationDuration" (to something longer)
works better than setting the "FrameRate".

--
Helen Read
University of Vermont

[Helen Read]

I have a related question.

When exporting a Manipulate, ControllerManipulate, or Animate to an AVI,
no matter what I try, the resulting AVI always runs the animation
forward then backward once. I'd like it to run the animation forward
only, and repeat a specified number of times (say, 3). I've looked all
over the documentation for Manipulate, ControllerManipulate, and
Animate, and for AVI and SWF, and have done a great deal of
experimentation, but have not succeeded in this.

I have tried setting AnimationDirection and AnimationRepetitions in
Animate, but these options are ignored when I export. I've also tried
setting these options in Export (which accepts them as options provided
you put quotes around them), but again they are ignored.

Export to SWF has an option for "RepeatAnimation", but as far as I can
tell, it is only possible to set this to "True" (the default, which
repeats *infinitely*, forward then backward), or "False" (which runs the
animation once in each direction).

[Hannes]

Thank you Alexei and Sjoerd, FrameRate solves the speed problem. What
about the resolution of the animation?

Export["animation.avi", Table[Plot[Sin[x + a], {x, 0, 2 Pi}], {a, 0,
Pi, Pi/20}], "FrameRate" -> 1, "ImageSize" -> Medium,
ImageResolution -> 1024]

I played with ImageResolution and also with RasterSize but could not
get a descent resolution of the animated plot at full screen.
A solution to this question is really appreciated.

Best regards,
Hannes

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[Sjoerd C. de Vries]

Hi Hannes,

Try this:

Export["C:\\Documents and Settings\\Sjoerd\\Desktop\\animation.avi",
Table[Plot[Sin[x + a], {x, 0, 2 Pi}, ImageSize -> 1024], {a, 0, Pi,
Pi/20}], "FrameRate" -> 1]

Works for me.

Cheers -- Sjoerd

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