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RE: Re: Raising Contour Plot Graphics to 3D


Thanks to all those who sent suggestions.

Layering, that is slightly separating the various contour polygons, seems to
solve the problem of overlapping 3D polygons, and triangulation seems to
solve the problem of concave 3D polygons.

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/

From: Ersek, Ted R [mailto:ErsekTR at navair.navy.mil]
To: mathgroup at smc.vnet.net

David park was converting ContourGraphics to Graphics.  He was then using
the resulting Graphics to make some Graphics3D (with concave polygons in
3D).  Mathematica wouldn't correctly render the concave polygons in 3D.

I don't have time for further experimenting, but I think you can solve your
problem with the concave 3D polygons if you decompose them into triangles
using the package at
http://library.wolfram.com/packages/

----
Regards,
  Ted Ersek






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