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From: cac@druco.ATT.COM (Curtis A. Conkey)
Newsgroups: comp.graphics
Subject: Re: Raytracing speedups....
Message-ID: <3403@druco.ATT.COM>
Date: 19 Dec 88 16:43:07 GMT
References: <907@cmx.npac.syr.edu>
Organization: AT&T, Denver, CO
Lines: 64

in article <907@cmx.npac.syr.edu>, gefuchs@top.cis.syr.edu (Gill E. Fuchs) says:
> 
> Hi...
> 
>    The following paragraphs describe an idea of mine.  This idea describe
> a possible algorithm for improving speed for raytracing...
> 
>    Please note that this is not an algorithm yet.  I would appreciate
> if anybody would let me know if this would be truly possible and if somebody
> else has thought of it already....
> 
>    I appriciate any comments or suggestions...
> 
>                                                         -vahid koussari

Check out some of these references on Ray-tracing:

.H 1 "Bibliography"
(Doct81) Doctor Louis J. and Torborg, John G. 
"Display Techniques for Octree-Encoded Objects"
IEEE Computer Graphics and Applications July 1981 pp(29-38)

(Fuji85) Fujimoto, Akira and Iwata, Kansei 
"Accelerated Ray Tracing"
Computer Graphics Tokyo 85 April 1985

(Fuji83) Fujimoto, Akira and Iwata, Kansei 
"Jag-Free Images on Raster Displays"
IEEE Computer Graphics and Applications December 1983 pp(26-34)

(Glas84) Glassner, Andrew S. 
"Space Subdivision for Fast Ray Tracing"
IEEE Computer Graphics and Applications October 1984 pp(15-22)

(Hall83) Hall, Roy A. and Greenberg, Donald P. 
"A Testbed for Realistic Image Synthesis"
IEEE Computer Graphics and Applications Nov 1983 pp(10-20)
 
(Kapl85) Kaplan, Michael R. 
"Space Tracing, a Constant Time Ray Tracer"
SIGGRAPH85 Tutorial on The Uses of Spatail Coherence in Ray Tracing

(Plun85) Plunket, David J. and Bailey, Michael J. 
"The Vectorization of a Ray Tracing Algorithm for Improved Execution Speed"
IEEE Computer Graphics and Applications August 1985 pp (52-59)

(Wegh84) Weghorst, Hank and Hooper, Gary and Greenberg, Donald P.
"Improved Computational Methods for Ray Tracing"
ACM Transactions on Graphics Vol. 3, No. 1 January 1984 pp(52-69)

(Whit80) Whitted, Turner 
"An Improved Illumination Model for Shaded Display"
Communications of the ACM June 1980 Vol23 Num6 pp(343-349)

(Yama84) Yamaguchi, K. and Kunii, T.L. and Fujimura K.
"Octree-Related Data Structures and Algorithms"
IEEE Computer Graphics and Applications January 1984 pp(53-59)

Hope these help

Curtis Conkey
AT&T Bell Laboratories
Denver, Colorado
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