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 ==== [MESSAGE SEPARATOR] ====