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MathGroup Archive 2001

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RE: ImplicitPlot3d

  • To: mathgroup at smc.vnet.net
  • Subject: [mg32026] RE: [mg32006] ImplicitPlot3d
  • From: Tomas Garza <tgarza01 at prodigy.net.mx>
  • Date: Wed, 19 Dec 2001 04:29:05 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

You can't use parametric plot because that's a function for 2D graphics. You
might use ParametricPlot3D but then you'd have to obtain the parametric
equations of the sphere first (no big deal, though). But you may use
directly ContourPlot3D:

In[1]:=
<<Graphics`ContourPlot3D`

In[2]:=
ContourPlot3D[x^2 + y^2 + z^2 - 1, {x, -2, 2},
  {y, -2, 2}, {z, -2, 2}, PlotPoints -> {3, 15}]

Tomas Garza
Mexico City

> -----Original Message-----
> From: Daniel Meisel [mailto:Daniel.Meisel at Physik.UNI-Karlsruhe.de]
To: mathgroup at smc.vnet.net
> Sent: Monday, December 17, 2001 11:34 PM
> To: mathgroup at smc.vnet.net
> Subject: [mg32026] [mg32006] ImplicitPlot3d
>
>
> 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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