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MathGroup Archive 2000

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Re: Contour curves & sections onto a surface

  • To: mathgroup at smc.vnet.net
  • Subject: [mg22192] Re: Contour curves & sections onto a surface
  • From: David Annetts <dannetts at laurel.ocs.mq.edu.au>
  • Date: Thu, 17 Feb 2000 01:24:29 -0500 (EST)
  • Organization: CRCAMET/Macquarie University
  • References: <88do7l$12q@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Murray 
> 
> Want to plot a surface, graph of f[x, y], and then, on the surface,
> draw:
> 
>   (1) at the actual z-height, the contour curve for that height; and/or
> 
>   (2) at the actual value x = x0, draw on the curve the section
> ("slice") of the curve f[x0, y] (and similarly for fixing y = y0).
> 
> I know how to do all that, I think.  But I want the result to look just
> right.  To do that, the curves have to be a different color, or possibly
> thicker, but -- most important -- be displaced a bit from the actual
> surface so as to be distinctly visible.
> 
> Somewhere -- in this newsgroup, on the Wolfram web site, in a
> Mathematica book, or in one of journals (Mathematica in Research and
> Education, The Mathematica Journal) -- I once saw a very cleanly done
> implementation that produces very nice results.
> 
> Can anyone supply a pointer to that?

Apparently, it's listed in Wickham-Jones' book.  However, the technique's
repeated in Ruskeepaa's book.

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