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Re: Bug in exporting animation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg106783] Re: Bug in exporting animation
  • From: Helen Read <hpr at together.net>
  • Date: Sat, 23 Jan 2010 07:34:12 -0500 (EST)
  • References: <hjbv4t$2lk$1@smc.vnet.net>
  • Reply-to: read at math.uvm.edu

On 1/22/2010 5:37 AM, Kurt TeKolste wrote:
> Is the error mine or Mathematica's?
>
> plotSequence = Table[ Plot[Sin[t + 2 \[Pi] k/20], {t, 0, 2
> \[Pi]}], {k, 1, 20, 1}];
>
> animationExportFailure = Animate[plotSequence[[k]], {k, 1, 20,
> 1}, DisplayAllSteps ->  True,  AnimationRepetitions ->  1,
> AnimationDirection ->  Forward]
>
> animationExportFailure
>
> (*correct behavior*)
>
> Export["badAnimation.avi", animationExportFailure]
>
> (*when displayed -- incorrect behavior*)
>
>
> When called in the notebook animationExportFailure behaves as
> requested.  When exported to an avi file, however, it does not:
> it runs backwards after running forward.

I have brought this up here on more than one occasion. Exported 
animations from Animate or Manipulate always wind up running forward 
then backward. I have tried many things, but have not been able to get 
them to run once in the forward direction only.

--
Helen Read
University of Vermont


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