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MathGroup Archive 2006

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Re: projection of contourplot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg64389] Re: projection of contourplot
  • From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 15 Feb 2006 03:32:02 -0500 (EST)
  • Organization: Uni Leipzig
  • References: <dspfv0$cgo$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

a) when a ContourPlot[] is transformed into a 
Graphics[] object
   the polygons are not convex and Mathematica 
can't render non-convex
   polygons in 3d with out some additional 
packages ...
b) if you can live with the contour *lines*, you 
can say
   ll=Cases[
    Graphics[ContourPlot[Sin[x*y],{x,0,Pi},{y,0,Pi}]],_Line,Infinity];
   Show[Graphics3D[
     ll /. Line[pnts_]:> Line[Append[#,0] & /@ 
pnts]
     ]
    ]

Regards
  Jens

"Jan Schmedes" <jasch at crustal.ucsb.edu> schrieb im 
Newsbeitrag news:dspfv0$cgo$1 at smc.vnet.net...
| dear group,
|
| assume i have two contourplots. now i want to 
display them both in 3D on
| the surface of a cube, e.g. one projected on the 
front side and one
| projected on the top. How could i generate such 
a plot (or more generall
| projected on a given plane, say z=const, in 3D)?
|
| thank you!!
|
| jan
| 



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