Re: 3D Convex Hull : corrected URI
- To: mathgroup at smc.vnet.net
- Subject: [mg44701] Re: [mg44670] 3D Convex Hull : corrected URI
- From: jmt <jmt at dxdydz.net>
- Date: Fri, 21 Nov 2003 05:13:22 -0500 (EST)
- References: <79344CBB6297454F86DD3106ADCC76CC04AFD7@mail3.nwfwmd.state.fl.us>
- Reply-to: jmt at dxdydz.net
- Sender: owner-wri-mathgroup at wolfram.com
This link is available : http://www.thesa.com/software/qhull/ On Thursday 20 November 2003 15:27, Gilmar Rodriguez wrote: > Dear JMT at dV.net: > Thank you for answering my e-mail. I attempted to use your shortcut: > http://www.geom.umn.edu/software/qhull > but, this shortcut seems to be no longer active. > > -----Original Message----- > From: jmt [mailto:jmt at dxdydz.net] To: mathgroup at smc.vnet.net > Sent: Thursday, November 20, 2003 5:05 AM > To: Gilmar Rodriguez; mathgroup at smc.vnet.net > Subject: [mg44701] Re: [mg44670] 3D Convex Hull > > 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!