Re: ParametricPlot Question
- To: mathgroup at smc.vnet.net
- Subject: [mg37147] Re: ParametricPlot Question
- From: Tom Burton <tburton at brahea.com>
- Date: Sun, 13 Oct 2002 05:56:32 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
On 10/12/02 2:11 AM, in article ao8p0o$bp5$1 at smc.vnet.net, "Charles Morgan"
<charlesmorgan at attbi.com> wrote:
> I would like to mark representative samples of t on a parametric plot,
> where t is the third parameter. For example, how could I mark the 8
> values t=0, t=Pi/4, ..., t=7Pi/4 on the plot generated by:
> ParametricPlot[{Sin[t], Cos[t]}, {t, 0, 2Pi}]
One way is to use Epilog:
ParametricPlot[{Sin[t], Cos[t]}, {t, 0, 2*Pi},
Epilog -> {PointSize[0.02],
Table[With[{p = {Sin[t], Cos[t]}}, {Point[p],Text[t, p, -1.5*p]}],
{t, Pi/4, 7*(Pi/4), Pi/4}]}, PlotRange -> All]