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Re: No Show

  • To: mathgroup at smc.vnet.net
  • Subject: [mg89108] Re: No Show
  • From: Roland Franzius <roland.franzius at uos.de>
  • Date: Mon, 26 May 2008 01:28:49 -0400 (EDT)
  • References: <g1bf08$mcv$1@smc.vnet.net>

Narasimham schrieb:
> Why is the following plot, bot, (with - Sqrt) not Shown along with
> top?
> 
> Why is it treated only as a plot skeleton, so no combining is
> possible?
> 
> bot = Plot3D[-Sqrt[1 - (x^2 + y^2) ] , {x, -1, 1}, {y, -1, 1}]
> top = Plot3D[+Sqrt[1 - (x^2 + y^2) ] , {x, -1, 1}, {y, -1, 1}]
> Show[top, bot]

The lower part is trucated. Probably the automatic Range is arranged to 
early in the rendering process.

Show[{top, bot}, PlotRange -> All]

shows all but distortes. Best is

Graphics3D[First/@{top,bot}]

-- 

Roland Franzius


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