Newsgroups: comp.graphics
Path: utzoo!utgpu!watserv1!watcgl!rhbartel
From: rhbartel@watcgl.waterloo.edu (Richard Bartels)
Subject: Re: FTP list of modelers and renderers
Message-ID: <1991Feb14.223828.23071@watcgl.waterloo.edu>
Organization: University of Waterloo
References: <1991Feb12.075204.12542@world.std.com>
Date: Thu, 14 Feb 1991 22:38:28 GMT
Lines: 12

In article <1991Feb12.075204.12542@world.std.com>
katefans@world.std.com (Chris'n'Vickie of Chicago) writes:
>
>... "Explore" from
>Thomson Digital Image (France) traces Bspline patches. It doesn't work with
>the patches directly (what does?), ...
>

Mike Sweeney's ray tracer did.  See IEEE CG&A vol. 6 no. 2 pp. 41-49.

-Richard