MathGroup Archive 1999

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intersection of 3d contours

  • To: mathgroup at
  • Subject: [mg20928] intersection of 3d contours
  • From: "Jordan Maclay" <jordanmaclay at>
  • Date: Wed, 1 Dec 1999 01:49:58 -0500 (EST)
  • Organization: Quantum Fields LLC
  • Sender: owner-wri-mathgroup 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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