Re: gradient in ParametricPlot
- To: mathgroup at smc.vnet.net
- Subject: [mg59390] Re: [mg59372] gradient in ParametricPlot
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Mon, 8 Aug 2005 03:34:36 -0400 (EDT)
- Reply-to: hanlonr at cox.net
- Sender: owner-wri-mathgroup at wolfram.com
Needs["Graphics`"]; With[{n=20}, DisplayTogether[ Table[ ParametricPlot[{Cos[5*t],Sin[3*t]}, {t,(k-1)*2Pi/n,k*2Pi/n}, PlotStyle->Hue[k/n], AspectRatio->Automatic], {k,n}]]]; Bob Hanlon > > From: Daniele Lupo <danwolf80_no_spam_please_ at libero.it> To: mathgroup at smc.vnet.net > Date: 2005/08/07 Sun AM 03:47:03 EDT > Subject: [mg59390] [mg59372] gradient in ParametricPlot > > Hi. > > I'd like to plot a ParametricPlot graphic image. It's easy, but I'd like > also to color the curve obtained according to a gradient (Hue, for > example), so the line changes color according the parameter value. In this > case if the coordinates are {t Sin[t], t Cos[t]} the point at t=value will > be colored as Hue[value]. There's a way to do this, instead to have a line > with a costant color defined by StylePlot? > > I've obtained this in a ParametricPlot3D, using > {x[u,v],y[u,v],z[u,v],{SurfaceColor[Hue[f[u,v]]]}} (thanks to Davin Park > example in a my previous post about ellipsoid), but this does not works in > 2D case (there's no surfaces...) > > Thanks for answers > > Daniele > >