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Re: Convex hull in 3D

  • To: mathgroup at smc.vnet.net
  • Subject: [mg111606] Re: Convex hull in 3D
  • From: Yves Klett <yves.klett at googlemail.com>
  • Date: Sat, 7 Aug 2010 01:31:49 -0400 (EDT)
  • References: <i3gptp$35i$1@smc.vnet.net>

This seems to work, watch out for: ?*`Convex*

pts = RandomReal[{-1, 1}, {100, 3}];
hull = ComputationalGeometry`Methods`ConvexHull3D[pts];
Graphics3D[{PointSize[Large], Point[pts], White, Opacity[0.5],
  hull[[1]]}]

HTH,
Yves

Am 06.08.2010 12:59, schrieb S. B. Gray:
> I'm pretty sure that a few years ago I downloaded a function that Eric 
> W. wrote to compute the CH of some points in 3D. He intended it to be a 
> temporary solution because Mathematica has CH only for 2D. I can't find it now 
> and I need it. I have only a dozen or so random points and don't need 
> super speed.
> 
> Steve Gray
> 


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