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MathGroup Archive 1996

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Re: how to draw the contour lines on a surface

  • To: mathgroup at smc.vnet.net
  • Subject: [mg3930] Re: how to draw the contour lines on a surface
  • From: wagner at motel6.cs.colorado.edu (Dave Wagner)
  • Date: Fri, 10 May 1996 03:29:44 -0400
  • Organization: University of Colorado, Boulder
  • Sender: owner-wri-mathgroup at wolfram.com

In article <4m7q96$k5h at dragonfly.wolfram.com>,
goffinet  <goffinet at cit-novell.univ-st-etienne.fr> wrote:
>    Hello
>
>    I'm sure the answer lies somewhere inthe Mathematica journal, but I 
>have been unable to find it
>
>     I want to get an image of a surface (with z=z(x,y) would be a good 
>start, with an implicit surface it would be even better) with the lines 
>z=Constant drawn on it. I don't want to Solve différential equations or 
>such, merely to make use of what is already done in ContourPlot (or 
>ImplicitPlot) and to draw the lines on the surface
>
>     How can one get the Lines[... , ... ,   ] which are used by the 
>final display of a ContourPlot? 

Take a look at the InputForm of a graphics object returned by ContourPlot.
You'll see the lines in there.  If you need more help, I'm pretty sure
there's an example of doing exactly this in Wickham-Jones' book.


		Dave Wagner
		Principia Consulting
		(303) 786-8371
		dbwagner at princon.com
		http://www.princon.com/princon

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