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Re: No Show

  • To: mathgroup at smc.vnet.net
  • Subject: [mg89111] Re: [mg89100] No Show
  • From: echinococcus Multilocularis <lintworm2 at yahoo.co.uk>
  • Date: Mon, 26 May 2008 01:29:22 -0400 (EDT)

Hello Narasimham,

The problem is that Show uses the Plot settings of the first image.
You will have to specify that you want to display the full plot
range:

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,PlotRange]

That does the trick!
HTH,
Gao Han


----- Original Message ----
From: Narasimham <mathma18 at hotmail.com>
To: mathgroup at smc.vnet.net
Sent: Sunday, 25 May, 2008 6:27:46 PM
Subject: [mg89111] [mg89100] No Show
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]
TIA
ANarasimham


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