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Re: how to draw the contour lines on a surface


goffinet <goffinet at cit-novell.univ-st-etienne.fr> wrote:
>    I'm sure the answer lies somewhere inthe Mathematica journal, but I 
>have been unable to find it

The tricks required are in the book "Mathematica Graphics" by 
Tom Wickham-Jones (Springer TELOS, 1995).

>
>     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 diffirential 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? 
>

Actually we've done a Mathematica notebook all about this...

http://metric.ma.ic.ac.uk/seminar/surfcont.ma

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