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SphericalPlot3D ColorFunction problem
*To*: mathgroup at smc.vnet.net
*Subject*: [mg104653] SphericalPlot3D ColorFunction problem
*From*: Porscha Louise McRobbie <pmcrobbi at umich.edu>
*Date*: Fri, 6 Nov 2009 05:14:36 -0500 (EST)
Hello,
Can anyone explain why the following simple plot is a single color?
SphericalPlot3D[Abs[Cos[t]], {t, 0, Pi}, {p, -Pi, Pi},
ColorFunction -> Function[{t}, Hue[Arg[Cos[t]]/(2. Pi)]],
ColorFunctionScaling -> False]
Arg[Cos[t]]/(2. Pi)] should be zero for t<Pi/2, and 0.5 for t>Pi/2, so
I expect the the upper lobe of the plot to be red (Hue[0]) and the
lower lobe to be cyan (Hue[0.5]). Is there something different about
ColorFunctions in SphericalPlot3D compared with Plot3D?
Any help is greatly appreciated!
Porscha
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