Re: Bug in Spherical Plot 3D, Mathematica version 7

*To*: mathgroup at smc.vnet.net*Subject*: [mg126811] Re: Bug in Spherical Plot 3D, Mathematica version 7*From*: Christoph Lhotka <christoph.lhotka at fundp.ac.be>*Date*: Sat, 9 Jun 2012 03:05:58 -0400 (EDT)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*References*: <201206080739.DAA13825@smc.vnet.net>

Hi, I do not know, if this is what you want: SphericalPlot3D[ UnitStep[{Sin[\[Theta]] Cos[\[Phi]], Sin[\[Phi]] Sin[\[Theta]], Cos[\[Theta]]}.{Cos[2 Pi/5], Sin[2 Pi/5], 0}], \[Theta], \[Phi]] I just looked on the documentation of the function. I rarely use those functions. Christoph On 06/08/2012 09:39 AM, snowyphile wrote: > The following should yield a hemisphere: - 2 Pi/5 \le \[Phi] \le 3 Pi/ > 5. > > SphericalPlot3D[UnitStep[{Sin[\[Phi]] Sin[\[Theta]], Cos[\[Phi]] Sin[\ > [Theta]], > Cos[\[Theta]]}.{Cos[2 Pi/5], Sin[2 Pi/5], 0}], > {\[Phi], 0, 2 Pi}, {\[Theta], 0, Pi}] > > What I get, on my Mac, OS 10.7.4, looks like a helmet. I could send > you a copy of the plot by e-mail. > > I have low expectations for Mathematica, but they just bottomed out. >

**References**:**Bug in Spherical Plot 3D, Mathematica version 7***From:*snowyphile <dtorney@valornet.com>