Re: Colors for 3D Curves

• To: mathgroup at smc.vnet.net
• Subject: [mg12864] Re: [mg12820] Colors for 3D Curves
• From: "Jens-Peer Kuska" <kuska at linmpi.mpg.de>
• Date: Wed, 17 Jun 1998 00:28:07 -0400
• Sender: owner-wri-mathgroup at wolfram.com

```Hi Sofiane

the command

ParametricPlot3D[{Sin[phi],Cos[phi],phi,Hue[0.5*(phi/Pi+1)]},{phi,-Pi,Pi}]

will make a rainbow colored 3d spiral.

You can still extract the Line[] data from the result and color the line
with

plt=ParametricPlot3D[{Sin[phi],Cos[phi],phi},{phi,-Pi,Pi},DisplayFunction->I
dentity];
Show[Graphics3D[{RGBColor[0,0,1],First[plt]},Axes->True]]

Hope that helps
Jens

-----Original Message-----
From: Sofiane Ramdani <ramdani at univ-tln.fr> To: mathgroup at smc.vnet.net
Subject: [mg12864] [mg12820] Colors for 3D Curves

>Hi everybody,
>
>I'm actually using "ParmetricPlot3D" to plot 3D curves. My problem is
>that I want to be able to choose the color of the curve plot. The
>"PlotStyle" option don't seem to work in "ParmetricPlot3D". Is there
>another way to define the plot color with "ParmetricPlot3D" ? Thanks
>for any help.
>(Hope you understand my english).
>
>Sofiane Ramdani (ramdani at univ-tln.fr).
>
>
>

```

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