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SphericalPlot3D, spherical harmonics, and coloring them?

• To: mathgroup at smc.vnet.net
• Subject: [mg4507] SphericalPlot3D, spherical harmonics, and coloring them?
• From: ale2 at hearst.cac.psu.edu (ale2)
• Date: Fri, 2 Aug 1996 02:22:35 -0400
• Organization: Penn State University
• Sender: owner-wri-mathgroup at wolfram.com

I'm using SphericalPlot3D to plot Re[Abs[SphericalHarmonicY[l,m,x,y]]].
I would like to use color to indicate the magnitude and the sign of the
spherical harmonics. Is there any easy way to do this?

I'm also having a hard time figuring out how to color the surface z =
phi 
(in cylindircal coordinates) using CylindricalPlot3D. I would like the
surface color to be a simple function of phi, say:

 RGBColor[Sin[phi]/2 +.5,Sin[phi+2Pi/3]/2 +.5,Sin[phi+4Pi/3]/2 +.5]. 

Is there any way to do this? Thanks for any help!

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