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Re: intersection of 3d contours

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  • Subject: [mg21122] Re: intersection of 3d contours
  • From: "Allan Hayes" <hay at>
  • Date: Fri, 17 Dec 1999 01:21:21 -0500 (EST)
  • References: <831fmn$>
  • Sender: owner-wri-mathgroup at

You might find the article
Intersection of Surfaces, Steven Wilkinson, Mathematica in Education and
Research, Volume 8,  No. 2, Spring 1999
useful. It has a function that returns a parameterization of the
intersection of two implicitely defined surfaces.

Allan Hayes
Mathematica Training and Consulting
Leicester UK
hay at
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565

"Jordan Maclay" <jordanmaclay at> wrote in message
news:831fmn$d9j at
> How can I determine the coordinates of the intersection of two surfaces
> generated in a 3d contour plot? One surface is a zero force in the x
> direction, the second surface is the zero force in the y direction.  I
> would like to know the coordinates of the line representing the
> interestion of these two surfaces, or at least be able to plot this
> intersection.   I would like to use the Contour plot instruction since
> it interpolates the zero force contours.  I don' t have enough data to
> plot these contours without the interpolation. Can I use Boolean
> operators to define contours in in a 3d contour plot? Thanks!!!
> Jordan Maclay
> Chief Scientist
> Quantum Fields LLC
> jordanmaclay at

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