Path: utzoo!attcan!uunet!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!think!ames!ncar!mephisto!mcnc!rti!xyzzy!poirier From: poirier@dg-rtp.dg.com (Charles Poirier) Newsgroups: comp.graphics Subject: Re: smallest sphere enclosing a set of points Message-ID: <1626@xyzzy.UUCP> Date: 21 Dec 89 22:08:06 GMT References: <28@ <658@cditi.UUCP> <4893@skinner.nprdc.arpa> <679@dbrmelb.dbrhi.oz> <5497@nucleus.UUCP> Sender: usenet@xyzzy.UUCP Reply-To: poirier@dg-rtp.dg.com ( Poirier local) Lines: 7 In article afoiani@nmsu.EDU (Anthony Foiani) writes: >The _smallest_ sphere enclosing three points is the sphere which hits >those three points [non-colinearity assumed, of course]. This is only true if the triangle has no angle > 90 degreees. Cheers, Charles Poirier