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MathGroup Archive 2006

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Re: Animation crash

  • To: mathgroup at smc.vnet.net
  • Subject: [mg69533] Re: Animation crash
  • From: "ben" <benjamin.friedrich at gmail.com>
  • Date: Fri, 15 Sep 2006 06:44:40 -0400 (EDT)
  • References: <200609130800.EAA18212@smc.vnet.net><eebe9h$r1t$1@smc.vnet.net>

This is an example of an animation that crashes my mathematica;
it might be that my problem is related to the fact that I am working
only a terminal sharing the server with 40 other people.
This morning when server load was really low, mathematica
did hang up, but I could still open a shell to kill it.

The delete key did not work.

Bye
Ben

(* Rotating Helix *)

\[Gamma]={r Cos[s/Sqrt[r^2+h^2]-\[Omega] t],
    r Sin[s/Sqrt[r^2+h^2]-\[Omega] t],
h s/Sqrt[r^2+h^2]- vnet t }

(* Animation [Caution: can crash system] *)
n:=100; (* try high values *)

Do[
  ParametricPlot3D[
    Join[
        RotateLeft[

\[Gamma]/.{r\[Rule]1,h\[Rule]1,\[Omega]\[Rule]1,vnet\[Rule]0},
          1],
        {{Hue[s/20],Thickness[0.01]}}]//Evaluate,
    {s,0,20},Axes->False],
  {t,0,2 \[Pi],2 \[Pi]/n}]

Chris Chiasson schrieb:

> try using the delete key
>
> On 9/13/06, ben <benjamin.friedrich at gmail.com> wrote:
> > Dear all,
> >
> > When I run animations in mathematica,
> > it often hangs up with
> > * playing the animation forever
> > * allowing no keyboard input
> > * restricting the mouse pointer to the area of the animation.
> >
> > In such a situation I don't even know how to kill mathematica.
> >
> > Is there a way to interupt the animations?
> >
> > Thanks
> > Ben
> >
> >
> 
> 
> -- 
> http://chris.chiasson.name/


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