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MathGroup Archive 2001

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Re: ImplicitPlot3d

  • To: mathgroup at smc.vnet.net
  • Subject: [mg32021] Re: ImplicitPlot3d
  • From: "Allan Hayes" <hay at haystack.demon.co.uk>
  • Date: Wed, 19 Dec 2001 04:28:56 -0500 (EST)
  • References: <9vmrhd$hfb$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Daniel,
The package Graphics`ContourPlot3D` works.
You might also look at  Graphics`Shapes`.

In fact the sphere can be parameterized:

ParametricPlot3D[r{Cos[s] Cos[t], Cos[s] Sin[t], Sin[s]},
{s, -Pi/2,Pi/2},{t,0, 2Pi}]

--
Allan

---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565


"Daniel Meisel" <Daniel.Meisel at Physik.UNI-Karlsruhe.de> wrote in message
news:9vmrhd$hfb$1 at smc.vnet.net...
> Hi,
>
> I'm searching for a way to plot for example the equation
>
> x^2 + y^2 + z^2 =1
>
> ( a sphere around the origin with radius 1) in 3d.
>
> I cannot use the parametric plot command.
>
> thanks in advance
>
>




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