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. -- ================================================================== David Annetts _____________ http://www.ocs.mq.edu.au/~dannetts/ |C R C A M E T| |-------------| |_____ | CRC for Australian Mineral |````` \ | Exploration Technologies |`````/$\ | Earth & Planetary Sciences |````/$$$\____| Macquarie University, NSW 2109 |```/$$$/.....| AUSTRALIA |``/$$$/......| phone: +(1-61-2) 9850 9280, fax (1-61-2) 9850 8366 ------------- ==================================================================