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MathGroup Archive 2002

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Re: Varying color in ParametricPlot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg35039] Re: Varying color in ParametricPlot
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Thu, 20 Jun 2002 23:54:36 -0400 (EDT)
  • Organization: Universitaet Leipzig
  • References: <aersih$3g4$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

pp = ParametricPlot[{Cos[t], Sin[t]}, {t, 0, 2Pi}, 
      DisplayFunction -> Identity];
Show[
  pp /. Line[pnts_] :> 
      MapIndexed[{Hue[(#2[[1]]-1)/Length[pnts]], Line[#1]} &, 
        Drop[Transpose[{pnts, RotateLeft[pnts]}], -1]], 
  DisplayFunction -> $DisplayFunction]


Regards
  Jens


"Student, T.U.E." wrote:
> 
> What I would like to do, is the following:
> 
> I have defined 2 functions x[t] and y[t] and I would like to plot them
> parametrically using ParametricPlot with a color that is also a function of
> t (something like Hue[t]).
> 
> I haven't been able to figure this out using help in Mathematica. I have
> tried to use ColorOutput and PlotStyle but that doesn't seem to work. Does
> anyone have a solution to this problem.


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