Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!apple!rutgers!tut.cis.ohio-state.edu!att!cbnewsh!cab
From: cab@cbnewsh.ATT.COM (CAB)
Newsgroups: comp.graphics
Subject: Re: Ray Tracing CSG objects
Summary: CSG Rendering Using Tree Normalization
	 See IEEE Computer Graphics and Applications
Keywords: Ray Tracing, Constructive Solid Geometry
Message-ID: <1139@cbnewsh.ATT.COM>
Date: 3 Jun 89 16:14:31 GMT
References: <17842@versatc.UUCP>
Organization: United Parallel Lines, Inc.
Lines: 16

In article <17842@versatc.UUCP>, ritter@versatc.UUCP (Jack Ritter) writes:
> I have a question about ray tracing CSG objects.
> Given an object represented by a CGS binary tree
> (union, intersection, & difference as operators),
> I would like to ray trace it WITHOUT using
> spacial subdivision, voxels, etc.

The May 1989 issue of IEEE CG&A has an article about this technique,
which seems to follow your general approach.


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