Re: gradient in ParametricPlot
- To: mathgroup at smc.vnet.net
- Subject: [mg59572] Re: [mg59372] gradient in ParametricPlot
- From: Selwyn Hollis <sh2.7183 at earthlink.net>
- Date: Fri, 12 Aug 2005 00:09:43 -0400 (EDT)
- References: <200508070747.DAA17990@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
On Aug 7, 2005, at 3:47 AM, Daniele Lupo wrote:
> 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
>
>
Try this:
<< Graphics`Graphics`
f[t_] := {t, Sin[t], t Cos[t]}
dt = 2*Pi/100.;
DisplayTogether[ Table[
ParametricPlot3D[Append[f[s],{Hue[t/(2*Pi)],Thickness[0.01]}],
{s,t,t+dt}],
{t, 0, 2*Pi-dt, dt}] ]
----------------
Selwyn Hollis
http://www.appliedsymbols.com
- References:
- gradient in ParametricPlot
- From: Daniele Lupo <danwolf80_no_spam_please_@libero.it>
- gradient in ParametricPlot