Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!wuarchive!uunet!stanford.edu!leland.Stanford.EDU!pangea.Stanford.EDU!rick
From: rick@pangea.Stanford.EDU (Rick Ottolini)
Newsgroups: comp.graphics.visualization
Subject: Re: surface rendering of fuzzy cloud
Message-ID: <1991Apr30.151851.26879@leland.Stanford.EDU>
Date: 30 Apr 91 15:18:51 GMT
References: <2594@amethyst.math.arizona.edu> <1991Apr29.204526.11197@bnlux1.bnl.gov>
Sender: news@leland.Stanford.EDU (Mr News)
Distribution: usa
Organization: Stanford Univ. Earth Sciences
Lines: 10

In article <1991Apr29.204526.11197@bnlux1.bnl.gov> bstewart@bnlux1.bnl.gov (Bruce Stewart) writes:
>In article <2594@amethyst.math.arizona.edu> winfree@.math.arizona.edu (Art Winfree) writes:
>>
>>Does anybody know how to render the surface of a fuzzy 3D cloud of
>>data points? The "cloud" is actually supposed to be a 2D surface, but

One idea is to leave the points as points, but add a normal for lighting
models.  The visualization toolkit called SunVision (from Sun) contains this
technique.  You could probably estimate the normal from the best fitting
surface or ellipsoid.