Path: utzoo!attcan!uunet!mcsun!ukc!sys.uea!cmp7112 From: cmp7112@sys.uea.ac.uk (N.R. Beadman) Newsgroups: comp.graphics Subject: 4D ray tracing Keywords: distributed ray tracing.... Message-ID: <1288@sys.uea.ac.uk> Date: 8 Feb 90 14:52:38 GMT Reply-To: cmp7112@uea-sys.UUCP () Organization: University of East Anglia, Norwich Lines: 7 If you want to trace objects in time, try distributed ray tracing, suggested by Robert Cook in 1984. Nick..... oh Belgium..... Zaphod uttered..