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Re: 3D Convex Hull

• To: mathgroup at smc.vnet.net
• Subject: [mg44686] Re: [mg44670] 3D Convex Hull
• From: jmt <jmt at dxdydz.net>
• Date: Fri, 21 Nov 2003 05:13:10 -0500 (EST)
• References: <200311200816.DAA01584@smc.vnet.net>
• Reply-to: jmt at dxdydz.net
• Sender: owner-wri-mathgroup at wolfram.com

For large datasets, you can use QuickHull
http://www.geom.umn.edu/software/qhull 
which provides an output format suitable for Mathematica

On Thursday 20 November 2003 09:16, Gilmar Rodr?guez Pierluissi wrote:
  > A Mathematica program to build a Three Dimensional Convex Hull
  > for a set of 3-dimensional points, and a notebook to test this
  > program, appear in:
  >
  > http://forums.wolfram.com/mathgroup/archive/1998/May/msg00005.html
  >
  > The program works fine for a small input data set (the input data
  > set used in the notebook is called "points"), but the program becomes
  > very sluggish for larger input data sets.  I want to know if there
  > exist any improved versions of this program (since 1988), built by
  > either the author(Wouter Meeussen), or any other person who might
  > have used it, and tested it with larger input data sets.
  > Thank you for your feedback!

• References:
  • 3D Convex Hull
    • From: gilmar.rodriguez@nwfwmd.state.fl.us (Gilmar Rodr?guez Pierluissi)