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Re: Help with ParametricPlot3D in color


ivan at nauplius.rsmas.miami.edu (Ivan Lima)
[mg4416] Help with ParametricPlot3D in color
writes
> I'm trying to plot some phase portraits of a three-dimensional
> system with ParametricPlot3D and I'd like it to plot the lines in
> color.

Ivan,

You can use the  optional fourth entry in the parametric form:


ParametricPlot3D[
	{{Cos[t],Sin[t],t, Hue[0]},{Cos[t],-Sin[t],t, Hue[2/3]}} ,
         {t, 1, 2}
]

The coloring can depend on t

ParametricPlot3D[
	{{Cos[t],Sin[t],t,Hue[t]},{Cos[t],-Sin[t],t,Hue[-t]}},
         {t, 1, 2}
]

Allan Hayes
hay at haystack.demon.co.uk

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