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Re: Time ticks for Parametric plot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg50368] Re: [mg50363] Time ticks for Parametric plot
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Tue, 31 Aug 2004 06:28:29 -0400 (EDT)
  • Reply-to: hanlonr at cox.net
  • Sender: owner-wri-mathgroup at wolfram.com

Needs["Graphics`Colors`"];

fx[t_] := Cos[5t];
fy[t_] := Sin[3t];
tmin=0;
tmax=2Pi;
delta1=(tmax-tmin)/100;
delta2 = (tmax-tmin)/10;

ParametricPlot[{fx[t],fy[t]},{t,tmin,tmax},
    AspectRatio->Automatic,
    Epilog->{
        Blue, AbsolutePointSize[3],
        Point /@ Table[
            {fx[t],fy[t]},{t,delta1,tmax,delta1}],
        Red, AbsolutePointSize[5],
        Point /@ Table[
            {fx[t],fy[t]},{t,delta2,tmax,delta2}]}];


Bob Hanlon

> 
> From: mathma18 at hotmail.com (Narasimham G.L.)
To: mathgroup at smc.vnet.net
> Date: 2004/08/30 Mon AM 01:34:36 EDT
> To: mathgroup at smc.vnet.net
> Subject: [mg50368] [mg50363] Time ticks for Parametric plot
> 
> Can time ticks be marked on ParametricPlot[{fx,fy}, {t, tmin, tmax}]
> lines? It could be useful in dynamics. Say 11 notches for 10
> (open)intervals between tmin and tmax as an option, that sub-divisions
> can be seen only on zooming.Presently PlotPoints->3 option is ignored,
> more PlotPoints smoother graph default is given. In 3D no such problem
> exists, in 2D the unmarked parameter appears as a Graphics limitation.
> 
> 


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