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From: dmt@shell.UUCP (Dave Tolle )
Newsgroups: net.graphics
Subject: Re: Parallel Algorithms
Message-ID: <218@shell.UUCP>
Date: Mon, 5-Nov-84 09:15:56 EST
Article-I.D.: shell.218
Posted: Mon Nov  5 09:15:56 1984
Date-Received: Thu, 8-Nov-84 19:01:04 EST
References: <1793@ucla-cs.ARPA>, <1422@pucc-h>
Organization: Shell Development Co.  P&CS Dept., Houston TX
Lines: 16

Another recent reference for parallel ray-tracing:
"The Raycasting Machine,"  by Gershon Kedem (now of Duke Univ.) and
John L. Ellis (Rochester Institute of Technology), Proceedings of the 
IEEE International Conference on Computer Design: VLSI in Computers, 
Oct. 8-11, 1984, pp. 533-538.

Extract: "The ray casting machine described here is a parallel, pipelined
bit serial machine that classifies a regular lattice of parallel lines. 
...  we describe a special purpose computer that computes the intersection of
lines with two and three dimensional solids represented as CSG [constructive 
solid geometry] trees. ...  The main idea behind the Ray Casting machine 
is to build a tree of processors that mirrors the CSG tree representing 
the solid being classified."

--Dave Tolle, Shell Development Company         ...shell!dmt