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natman1
science forum beginner

Joined: 07 Jul 2006
Posts: 1

Posted: Fri Jul 07, 2006 5:19 pm    Post subject: Animate Curves

hi i am using maple 9.5, and am trying to animate some curves in 3 -D.
I started with
s:=spacecurve([cos(t),sin(t),t],t=0..Pi);
animatecurve(s,t=0..2*Pi,frames=50);

I get a 2 d plot that does nothing, is there any way to get a 3d
animated curve drwing in maple.

Thanks:
Robert B. Israel
science forum Guru

Joined: 24 Mar 2005
Posts: 2151

Posted: Sun Jul 09, 2006 6:01 am    Post subject: Re: Animate Curves

natman <natbrowne@gmail.com> wrote:
 Quote: hi i am using maple 9.5, and am trying to animate some curves in 3 -D. I started with s:=spacecurve([cos(t),sin(t),t],t=0..Pi); animatecurve(s,t=0..2*Pi,frames=50); I get a 2 d plot that does nothing, is there any way to get a 3d animated curve drwing in maple.

See the help file for animatecurve:

plots[animatecurve] - create an animation of the drawing of 2d plots

So it's not surprising that this doesn't create a 3d animation.
Moreover, your syntax is completely wrong for animatecurve: the first
argument is supposed to be a function to be plotted, not a plot command.
I think what you have in mind is

 Quote: with(plots): animate(spacecurve,[[cos(t),sin(t),t],t=0..T],T=0..2*Pi);

Robert Israel israel@math.ubc.ca
Department of Mathematics http://www.math.ubc.ca/~israel
University of British Columbia Vancouver, BC, Canada

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