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MathGroup Archive 1995

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Re: How to slow down plotting of curves?

  • To: mathgroup at christensen.cybernetics.net
  • Subject: [mg964] Re: How to slow down plotting of curves?
  • From: rubin at msu.edu (Paul A. Rubin)
  • Date: Thu, 4 May 1995 04:04:17 -0400
  • Organization: Michigan State University

In article <3npp32$od2 at news0.cybernetics.net>,
   chen at fractal.eng.yale.edu (Richard Q. Chen) wrote:
->Hi,
->	I tried to follow the particle trajectories obtained
->by NDSolve visually in time. Unfortunately in this case the default
->Mma setting makes the plotting so fast that I don't have the time
->to follow the curve before the graphing is finished. The trajectory
->is very complicated (like tangled spagetti) so that it does not show
->much information by looking at the finished plot. I will gain much
->more understanding if I can visually follow the trajectory.
->
->	Is there a way to make Mma plot curves slowly?
->I tried to use Pause[n] function in Plot but that only slowed down
->the computation, not rendering of the curve.

I doubt you can slow down the output of the Postscript interpreter.  Two 
alternatives would be to (1) generate (and animate) a sequence of plots 
with the time horizon of the solution expanding, or (2) do a single plot 
but change the color of the curve as the time parameter increases.  If the 
plot is dense enough, the latter might be ineffective due to overwriting of 
earlier segments.

Paul

**************************************************************************
* Paul A. Rubin                                  Phone: (517) 432-3509   *
* Department of Management                       Fax:   (517) 432-1111   *
* Eli Broad Graduate School of Management        Net:   RUBIN at MSU.EDU    *
* Michigan State University                                              *
* East Lansing, MI  48824-1122  (USA)                                    *
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Mathematicians are like Frenchmen:  whenever you say something to them,
they translate it into their own language, and at once it is something
entirely different.                                    J. W. v. GOETHE


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