Compiled by Eric Haines, erich@acm.org. Opinions expressed are mine.

A wonderful index of the Ray Tracing News was begun by Paul Heckbert.

For a wider view of the world, check out the ray tracing FAQ.

Archive locations:

• HTML archive at http://www.raytracingnews.org/
• Zip file of all HTML pages at http://www.raytracingnews.org/rtn_html.zip
• Text version at https://www.realtimerendering.com/resources/RTNews/text/
• Zip file of all text files at https://www.realtimerendering.com/resources/RTNews/text//rtn_text.zip
• All initial paper issues, edited by Andrew Glassner, as PDF scans at https://www.realtimerendering.com/resources/RTNews/pdf

This cumulative table of contents was started by Joe Cychosz (thanks, Joe!).

RTNv23n1: July 20, 2010

• Introduction
• Ray Tracing Roundup
• Marcos and Arnold, by Eric Haines and Marcos Fajardo
• Sorted BVHs, by Solomon Boulos and Eric Haines
• Branch Prediction for Ray Tracing, by Eric Haines
• How Often Do Shadow Rays Hit? by Solomon Boulos
• More SSE Ray/box Code Optimization, by Manny Ko
• Puzzle Answer: Triangle/Bounding Box Ratio, by Eric Haines
• Where's the Rest of the Issue? by Eric Haines

RTNv21n1: November 8, 2008

• Introduction
• Ray Tracing Roundup
• Puzzle Answer: Plane Intersection with Spheres vs. Boxes, by Eric Haines
• Puzzle: Triangle/Bounding Box Ratio, by Eric Haines
• Terminology for Ray Tracing, by Peter Shirley
• Another Opinion of "Foundations of Multidimensional and Metric Data Structures", by Bretton Wade
• Bounding Volume Hierarchy Formation: Two New Ways, by Eric Haines
• NVIDIA Ray Tracing Demo, by Steven Parker and David Luebke
• Tactical Optimization of Ray/Box Intersection, by Graham Fyffe
• Radians versus Degrees, by Eric Haines
• Random Number Generators: Faster, Smaller, Randomer, by Thatcher Ulrich and John Stone
• Subconscious Debugging, by Ian Ashdown

RTNv20n1: May 19, 2007

• Introduction
• Ray Tracing Roundup
• Puzzle: Plane Intersection with Spheres vs. Boxes, by Eric Haines
• You Don't Know Jack, from Nicolas Holzschuch and Jack Bresenham
• New Book: "Ray Tracing from the Ground Up", preview by Eric Haines
• Rant about Free-ish Code, by Eric Haines
• POV-Ray News, from Chris Cason and Eric Haines
• Pick-up Sticks and the Room of Dice, by Eric Haines
• SIMD Ray/Box Intersection, by Thierry Berger-Perrin
• Random Numbers, Efficiency, and Other Things, by John Stone
• Comments on Uniform Sampling and Cones, by Andrew Kensler
• Review of "Foundations of Multidimensional and Metric Data Structures", by Eric Haines

RTNv19n1: September 30, 2006

• Introduction
• Ray Tracing Roundup
• Notes on Efficient Ray Tracing, by Solomon Boulos and Eric Haines
• Ray-Box Sorting, by Solomon Boulos and Eric Haines
• BVHs and Memory Coherence, notes by Christer Ericson and Sung-Eui Yoon
• "So long and thanks for all the fish...", from Michael Ashikhmin, comments by Eric Haines
• Ray/Box Intersection Optimization, by Eric Haines, Solomon Boulos, and Pete Shirley
• SIGGRAPH 2006 Report, by Eric Haines

RTNv18n1: December 12, 2005

• Introduction
• Ray Tracing Roundup
• Newish Books, by Eric Haines
• More on Randomly Sampling Bounding Volumes, by Mateu Sbert
• Image Comparison, by Chris Cason, Eric Haines, and Greg Ward
• Real-Time GPU Spheres, by John Stone
• Plane Equations of a Tetrahedron, by Paul Kahler
• Ray/Tetrahedron Intersection, by Paul Kahler
• K-d Tree Comments, by Ingo Wald, Gordon Stoll, Vlastimil Havran, and Eric Haines
• Processor Level Optimization Verification, by Paul Kahler and Anonymous
• SIGGRAPH 2005 Report, by Eric Haines

RTNv17n1: May 11, 2004

• Introduction
• Ray Tracing Roundup
• OpenEXR and Radiance Floating Point Image File Formats, by Simon Bunker, Steve Westin, and Greg Ward
• Raytraced Games, by Greg Alt
• Randomly Sampling Bounding Volumes, by Philipp Slusallek, Pete Shirley, Fredo Durand, and more
• Ray Tracing's Roots, by Juan Rayces, Andrew Glassner, Jonathan Maxwell, Phil Dutre, and Chris Trendall
• Faster Yet Point in Polygon Test? by Stephen Bridgett
• BSP Plane Cost Function Revisited, by Eric Haines
• RTNews Errata, by Nikos Platis

RTNv15n1: October 21, 2002

• Introduction
• Ray Tracing Roundup
• RealStorm: A Realtime Raytracing Engine, by Michael Piepgras
• Efficient Bounding Box Intersection, by Brian Smits
• Array Good, Linked List Bad, by Matt Pharr
• Questions and Answers, by Vlastimil Havran
• Scanline vs. Ray Tracing, by Piero Foscari, Paul Kahler, and Matt Pharr
• 13th Annual Eurographics Workshop on Rendering, by Nelson L. Max
• SSM and OOM Become Enigma, by Mark Manning
• A Simple Ray-Triangle Plücker Optimization, by Jeffrey Mahovsky
• Recovering a Triangle's Surface Normal from the Plücker Coordinates of its Edges, by Jeffrey Mahovsky
• Objects per Grid Cell, by Pete Shirley

RTNv14n1: August 9, 2001

• Introduction
• Ray Tracing Roundup
• Octree Implementation and RTRT Speeds, by Paul Kahler, Vlastimil Havran, Ingo Wald, John Stone, and Nick Chirkov
• Loose Octrees for Dynamic Raytracing, by Eric Haines
• Processor and Compiler Comparison as of August 2001, by John Stone
• Triangles per Vertex, by Eric Haines
• Bounding Box Intersection via Origin Location, by Eric Haines

RTNv13n1: July 16, 2000

• Introduction
• Ray Tracing Roundup
• BART: A Benchmark for Animated Ray Tracing, by Jonas Lext, Ulf Assarsson, and Tomas Moller
• Global Illumination Test Scenes, by Brian Smits and Henrik Wann Jensen
• Realtime Techniques for Ray Tracing, by Ádám Nagy, Eric Haines, Russel Simmons, Paul Kahler, Factory, and Bruno Schödlbauer
• Fastest Way to Generate Eye Rays in Ray Tracing, by Samuel Paik
• On Transforming Planes, by Steve Hollasch
• Intersecting a Ray and a Triangle with Plücker Coordinates, by Ray Jones
• Volumetric Rendering, by Paul Kahler
• Recent Papers, summarized by Eric Haines and Vlastimil Havran

RTNv12n2: December 21, 1999

• Introduction
• Ray Tracing Roundup
• The Ups and Downs of Multithreaded Ray Tracing and Optimization, by John Stone
• A Summary of Octree Ray Traversal Algorithms, by Vlastimil Havran
• Additional Octree Traversal Notes, by John Spackman, Erik Jansen, and Joel Welling
• Z-buffer and Raytracing, by Sam Paik
• Ray Tracing Procedural & Parametric Surfaces, by Mark VandeWettering, Stephen Westin, and Matt Pharr
• Raytracing Gloss/Translucency, by Peter Eastman, Matt Pharr, and Stephen Westin
• Importance for Ray Tracing, by Per H. Christensen
• Good Computer Graphics Books, by Brent McPherson

RTNv12n1: June 25, 1999

• Introduction
• Ray Tracing Roundup
• Comparison of Hierarchical Grids, by Vlastimil Havran and Filip Sixta
• Great Shadow Hack, summarized by Eric Haines
• Octree Traversal and the Best Efficiency Scheme, by Ben Hutchison, Eric Haines, Hanan Samet, and Erik Jansen
• Quicker Grid Generation via Memory Allocation, by Eric Haines

RTNv11n1: July 11, 1998

• Introduction
• Ray Tracing Roundup
• Plücker Coordinate Tutorial, by Ken Shoemake
• A Short Note on Kalra and Barr's Algorithm, by Andrei Sherstyuk
• Origins of Point In Polygon, Take 10..., by Neil Stewart
• Info on REYES Algorithm, by Robert Speranza and Tom Duff
• Polygon Shrinking, by Dave Rusin and Jeff Erickson
• Correcting Normals on "Flipped" Polygons, by Kev, Duncan Colvin, Steve Baker, John Nagle, Dennis Jiang, Alejo Hausner, and Eric Haines
• What's Mesa? by Brian Paul
• Multithreading Mesa, by John Stone
• Recent Ray Tracing European Conference Papers
• Attenuation in Water, by Bretton Wade and Ian Ashdown

RTNv10n3: December 2, 1997

• Introduction
• New People
• Ray Tracing Roundup
• Two New Graphics Books plus One, by Eric Haines
• Ray Classification for Animation, by Matt Quail
• Raytracker Tricks, by Hakan "Zap" Andersson
• Even Faster Crossings Test, by Philip Brown
• Additional Notes on Nested Grids, by Kris Klimaszewski, Andrew Woo, Frederic Cazals, and Eric Haines
• Recursive Grids and Ray Bounding Box Comments and Timings, by Andrew Woo
• CD-ROM: The Internet Raytracing Competition, Year One, review by Eric Haines
• Plücker Coordinates, by Jeff Erickson
• Errors of Commission and Omission, by Eric Haines
• Cyrus-Beck as a Ray/Polygon Tester, by David Rogers
• Mirror Reflectivity, by Greg W. Larson
• Testing a Matrix for Uniform Scaling, by Charles Iliya Krempeaux and Eduardo Marreiros
• Declassified CIA BRDFs now available, by Greg Ward Larson
• Lifting the Monkey's Paw Curse, by Jeff Goldsmith
• Eccentricity Effects in Blobs, by Alfonso Hermida

RTNv10n2: June 26, 1997

• SIGGRAPH Roundtable
• Introduction
• New People: Marcos Fajardo Orellana
• Ray Tracing Roundup
• Illuminated by Black Light, by Dan Wexler
• What's Wrong with Monte-Carlo Methods? by D.C. Nguyen (JuHu), Pete Shirley, Stephen Westin, and Eric Veach
• More on Rendering Bugs, by Eric Haines
• The Curse of the Monkey's Paw, by Eric Haines
• Global Illumination "Bible"? by Ian Ashdown
• Megahedron
• Detecting Points on the Edge of a Polygon, by Eric Haines
• Rendering Unflat Polygons, by Eric Haines
• Free Polygon Tessellators, by Eric Haines
• Octree Neighbor Finding, by Andrew Glassner, Francois Sillion, and Paul Heckbert
• Author Sues Publisher, by Ralph Grabowski
• European Graphics Tour, by Nelson Max
• Fast Shadow Testing Bibliography, by Slawomir Kilanowski

RTNv10n1: January 21, 1997

• Introduction
• New People: Jim Roedder
• Faster Refraction Formula, and Transmission Color Filtering, by Xavier Bec
• Results of Sphere in Box Ratio Contest, by Han-Wen Nienhuys, Jim Arvo, and Eric Haines
• Ray Tracing Roundup
• Papers of Interest, by Eric Haines
• Synthetic Textures and Genetic Algorithms, by Steve Worley
• Ray Tracing, What is it Good For? by Arijan Siska
• Fast Soft Shadows, by Steve Worley
• Progressive Ray Tracing and Fast Previews, by Eric Haines
• Free Radiosity Renderer (inc. C++ source code), by Ian Ashdown
• Cells and Portals Resources, by Randy Stiles
• New Books, by Eric Haines

RTNv9n2: January 24, 1996

• Introduction
• Advice to Authors, by Anonymae

RTNv9n1: January 18, 1996

• Introduction
• Results of the Name that Area Ratio Contest, by Eric Haines and Arijan Siska
• Another Contest: Sphere in Box ratio, by Eric Haines
• Ray Tracing Roundup
• A Freeware modeller supporting VRML, by Stephen Chenney
• 3D Point Hashing, by Steve Worley
• 5D vs. BSP and ABVH, by Nguyen Duc Cuong aka "JuHu"
• Interacting with Ray Traces, by Bert Peers
• Hierarchical Techniques for Glossy Global Illumination, by Per Christensen
• Global Illumination SIGGRAPH meeting, by Greg Ward
• Total Internal Reflection, by Eric Haines, Greg Ward, and Chris Larson
• Pretemporal Imaging Systems, by Ken Musgrave and Eric Haines
• PNG Status, by Tim Wegner and Tom Lane
• Cinematography References, by Dan Wexler
• Getting Rid of the Divide, by Frank Compagner and Bob Pendleton

RTNv8n3: August 2, 1995

• Introduction
• Contest: Name that Area Ratio
• Ray Tracing Roundup
• On-Line Computer Science Bibliography Collection, by Alf-Christian Achilles
• Comments on RTNv8n1, by Alexander Enzmann
• Dore' Now Free, and Dore' Mailing List, by Len Wanger
• Fooling Around, by Eric Haines
• Beware of VIDEA! by W. Purgathofer, E. Groeller, M. Feda
• Still More on Optical Ray Tracing, by Dan Reiley
• Raytracing and 3D Studio, by Michael Adams and Brian Hoffman
• Testing SIPP versus Raytraces under DOS, by Alexander Enzmann

RTNv8n2: May 16, 1995

• Introduction
• Ray Tracing Roundup
• Scanline vs. Ray Tracing, by Loren Carpenter and Sam Richards
• Pyramid Clipping, by Erik Reinhard and Erik Jansen
• Copyrighting Raytraced Images, by J Edward Bell, Benton Holzwarth, and Keith
• Octrees and Whatnot, by Steve Worley and Eric Haines
• Learning Radiance, by Kevin Matthews
• Radiance vs. Pov, by "Cloister Bell"
• Overlapping Refractors, by Steve Worley and Eric Haines
• Raytracing Particle Systems, by Jos Stam
• Answers/References on Cone Tracing, by Brent Baker
• Dumb Radiosity Question, by Steve Worley and Eric Haines
• Good Book on 3d Animation, by Scott McCaskill
• Animation Books, by Dave DeBry
• Fast Algorithms for 3D Graphics, by Glaeser: Any Good? by Brian Hook
• Order of Rendering and Fast Texturing, by Bruno Levy, Dan Piponi, and Bernie Roehl
• FREE E-Mag on VR, Computer Graphics, et al: Issue 2, by David Lewis
• Color Quantization Bibliography, by Ian Ashdown

RTNv8n1: January 23, 1995

• Introduction
• People
• Fetishes and Perversions, by Doug Andersen
• Ray Tracing Roundup
• New Web Sites of Note, by Eric Haines
• MGF: Materials and Geometry Format, by Greg Ward
• Blue Moon Rendering Tools RenderMan Implementation, by Larry Gritz
• RenderMan Implementation Paper On-Line, by Philipp Slusallek
• TGA BBS CD ROM review, by Eric Haines
• Review of Syndesis Avalon CDROM, by Keith Rule
• SIRDS/SIS/stereograms/Holusions/whatever, by Eric Haines
• Two Books on Stereograms, by Eric Haines
• Siggraph Report: The Exhibits, by Techs Avery
• Scanline Rendering Previewer, by Eric Haines due to Chris Cason
• Raysmith, by Eduardo Bustillo Iceta
• Terminology Survey Results, by Peter Shirley
• Radiosity Online: A Bibliography, by Ian Ashdown
• Jevans' Temporal Coherence for Ray Tracing, by Eric Haines
• Reviews of _Encyclopedia of Graphics File Formats_, from Steve Lamont, John Grieggs, Tom Lane, Brian Erwin, and Andy Key
• SDSC Image Tools library, by Matt Hughes
• LUG Library v1.0, by Raul Rivero

RTNv7n5: October 13, 1994

• Introduction
• New People
• Ray Tracing Roundup
• Recent Ray Tracing Papers
• Rumor Mill
• AERO Animation/Simulation System version 1.5.1, by Thomas Braeunl
• A Brief Review of [an old] AERO, by Dave Negro
• Photon Tracing, by Chris Thornborrow and Greg Ward
• Faster Than POV-RAY 2.1, by Dieter Bayer
• Z Buffer Based Rendering Program, by Raghu Karinthi
• Gossamer, a Free Macintosh VR/3D Renderer, by Jon Blossom
• Antialiasing Issues, by Arijan Siska
• Microcosm, by Abe Megahed of Cosmic Software
• Fisheye Lens Distortion, by Greg Ward
• Optical Ray Tracers
• Correcting Normal Direction, by Gavin Bell
• Graphics Gems IV Table of Contents, by Paul Heckbert
• Beyond Graphics Gems, by Paul Heckbert
• Radiosity vs. Ray Tracing, by Rico Tsang
• ACM SIGGRAPH Online Bibliography Updated, by Frank Kappe
• How to be Notified of New POV Releases
• PoVSB Windows-based Modeler v0.85, by Jeff Hauswirth
• Porting Rayshade, PBM, etc from Unix to DOS, by Mike Castle
• REYES & Patents, William C. Archibald
• Going from AutoCAD and 3DS into Ray Tracing, by Sean Ross
• Computer Lego Modeling, by Paul Gyugyi
• Rowe's Ray Tracing World BBS, by Harry Rowe
• On Using BSP trees, by Benton Jackson
• Books about Commercial Renderers, by Don Lewis, Jimbo and Yury German

RTNv7n4: July 14, 1994

• Introduction and Announcement
• Call For Participation: POV Ray Tracing CD ROM, by Christopher Cason
• Tracers and Tracings #1, by Tom Hoover
• Review of Tracers and Tracings CD ROM, by Eric Haines
• Ray Tracer Comparison, by Amanda L. Osborne
• Blob Sculptor, by Alfonso Hermida
• Book Announcements, and Modeler vs. Scripting Language, by Mitch Waite
• A Quick Writeup of Ray Tracing for the Macintosh CD, from notes by Eduard Schwan
• Ray Tracing Roundup
• POV-Help, by Chris Cason
• Lenticular 3D, by Keith Rule
• POV Official News, Issue #1, POV Team
• A Quick Explanation of Radiosity Computation vs. Output, by Steve Hollasch
• A Grand Unified Modeller (GUM), by Lex van der Sluijs
• New (at least to me) Bulletin Boards, collected by Eric Haines
• GemCAD Review, by Greg Prior
• A Summary of the Reyes Algorithm, by Steve Demlow
• Version 1.7 of Polyray Available, by Alexander Enzmann
• Use of External Program Calling for Polyray, by Alexander Enzmann
• POV-Ray Legal Stipulations Correction, by Dan Farmer
• 3D Graphics Book List, by Brian Hook

RTNv7n3: July 6, 1994

• Introduction
• Ray Tracing Roundtable at SIGGRAPH '94, by Eric Haines
• Books at SIGGRAPH '94, by Eric Haines
• Radiosity: A Programmer's Perspective, by Ian Ashdown
• Computational Geometry in C, by Joseph O'Rourke
• Simple Databases Available For Rendering (Global Illumination), by Peter Shirley
• Radiance Version 2.4 Available, by Greg Ward
• Faster Ray-Torus Intersection, by Eric Haines
• RAT PACK: Free Ray Tracing Research Software, by Tom Wilson
• Light Beams Tricks, by Chris Thornborrow
• On-Line Ray Tracing Bibliography, by Ian Grimstead
• Polynomials, by Han-Wen Nienhuys
• Shadow Caching Observation, by Han-Wen Nienhuys
• Small Comment on GGems III bsp.c, by Han-Wen Nienhuys
• Fogsources, by Han-Wen Nienhuys
• The Rayce Ray Tracer, by Han-Wen Nienhuys
• Ray Tracing Roundup
• A Storage Trick for 3D Polygons, by Eric Haines
• Illumination-Related Abstracts from the Proceedings of Graphics Interface '93
• Design and Aims of the YART Graphics Kernel, by Ekkehard 'Ekki' Beier
• Distribution Ray Tracing, by Marc Levoy
• Ray Tracing, Antialiasing, and What To Do Instead, Steven Demlow
• Yet Another Illumination Ph.D., by George Drettakis

RTNv7n2: February 2.01, 1994

• Introduction
• Ray Tracing Roundup
• A Note on SPD Platform/Compiler Results (SPARC II), by David Hook
• OORT - Object Oriented Ray Tracer, by Nicholas Wilt [and Eric Haines]
• Partial Evaluation Applied to Ray Tracing, by P.H. Andersen
• Comparison of Ray Traversal Methods, by Erik Jansen
• Sphere Tessellation//Gamma Correction, by Olin Lathrop
• Computational Geometry On-Line Bibliography, by Bill Jones
• Summary of Advanced Rendering Papers from Eurographics '93, by Erik Jansen
• RAT, Another Ray Tracer, by Tom Wilson
• Fast Raytracing via SEADS, by John Chapman and Wilfrid Lefer
• Parallel Ray Tracing Schemes, by Rainer Menes
• Notes on Parallel Ray Tracing, by Hsiu Lin and Sam Uselton
• Parallel Texturing, by Jon Leech and Brian Corrie
• Mapping Texture on a Sphere, by Ron Capelli
• Computational Geometry in C, by Joseph O'Rourke
• Programming for Graphics Files in C and C++, by John R Levine
• Point in Polygon, the Quick Answer, by Wm. Randolph Franklin and Eric Haines
• Elib and NetNews Information, by Eric Haines
• CFP: 5th Eurographics Workshop on Rendering, by Georgios Sakas
• CFP: 5th EG workshop on Animation & Simulation, by Gerard Hegron
• Morphology Digest, by Henk Heijmans
• Position of the Sun, by Joe Cychosz

RTNv7n1: February 2, 1994

• Introduction
• Quick Book Reviews, by Eric Haines
• Ray Tracing Roundup
• 3D Artist Magazine Information, by Tim Riley
• Updated Graphics CD-ROM from Knowledge Media, by Paul A. Benson
• The Desert Isle List, by Amanda Osborne
• Raytrace Utilities List for DOS (and Windows), by Amanda Osborne
• Brief Reviews of a Bunch of Useful PC Stuff, by Tim Lister
• Tree and Plant Image Generation, by Phil Drinkwater and Jason Weber
• POV-Ray 2.0 Released, by Dave Buck
• JPEG Texture Maps, by Petri Nordlund
• ArchiCAD Model Translator, and other notes, by Paul D. Bourke
• New Radiance Version Available, by Greg Ward
• Previewer Program for Radiance, by Greg Ward
• IRIT Solid Modeller Version 4.0, by Gershon Elber
• Object-Oriented Graphics: GOOD 0.50, by Ekkehard Beier
• GFX News, by Eric Hsiao
• New Wavefront Listserv, by George H. Otto
• Optimized POV 2.0 version, by Peter K. Campbell
• Errata for "Adventures in Ray Tracing", by Alfonso Hermida

RTNv6n3: September 28, 1993

• Introduction
• New People
• Ray Tracing Roundup
• Free Ray Tracer Summary, compiled by Eric Haines
• Ray Tracer Races, Round 2, by Eric Haines
• An Enhanced Standard Procedural Databases Package, by Eric Haines
• Shadows from Refractive Objects, by Steven Collins
• Shadows Through Transmitters, by Eric Haines, Greg Ward, Alexander Enzmann, Stephen Coy, and David Hook
• Faster Bounding Volume Hierarchies, by Brian Smits and Eric Haines
• Simple Sun Position Program, by James Ashton
• Sphere and Cylinder/Cone/Disc/Annulus Definition, by Eric Haines
• Ray Tracing Roundup
• Simple Sphere Tessellation, by Mike Castle
• Syndesis CD-ROM Review, by Eric Haines
• Ray Tracing Related Abstracts from the Proceedings of Graphics Interface '93
• Ray Tracing Papers in the First Bilkent Computer Graphics Conference, ATARV-93, Ankara, Turkey, July 1993
• Fourth Eurographics Workshop on Rendering, Paris, France June 14-16, by Francois Sillion
• Gamma Correction Frequently Asked Questions, by Graeme Gill
• 3D Studio Rendering, by Chris Williams
• Ray-Bezier Patch Intersection, by Chuck McKinley, Max Froumentin
• Turbulence and Noise, by Ken Perlin
• Ray Tracing Research Ideas, by Klaus Lisberg Kristensen & Christian Gautier
• POV-Ray Utilities, by Dan Farmer
• SPD Platform/Compiler Results, by David Hook

RTNv6n2: July 1, 1993

• Introduction
• New People
• Ray Tracer Races, Round 2, by Eric Haines
• Simple, Fast Triangle Intersection, part II, by John Spackman
• Review: _Photorealism and Ray Tracing in C_ (and others), by Eric Haines
• Comments on Various Ray Tracing Speedups, by Andrew Woo
• Errata to _Photorealism and Ray Tracing in C_, compiled by Eric Haines
• InterChange Plus Model/Texture Data CD-ROM, by John Foust
• Ray Tracing Roundup

• Re: Intersection Between a Line and a Polygon (UNDECIDABLE??), by Allen B
• Obfuscated Postscript Ray Tracer, by Takashi Hayakawa

RTNv6n1: January 27, 1993

• Introduction
• New People, New Places, etc
• An Easily Implemented Ray Tracing Speedup, by Steve Worley
• Color Storage, by Greg Ward
• Bounding Areas for Ray/Polygon Intersection, by Steve Worley and Eric Haines
• Simple, Fast Triangle Intersection, by Chris Green and Steve Worley
• Ray Tracing Roundup
• Spectrum Overview, edited by Nick Fotis
• Comments on the Glazing Trick, by Eric Haines

• Announcing the ACM SIGGRAPH Online Bibliography Project, by Stephen Spencer
• A Brief History of Blobby Modeling, by Paul Heckbert
• Cool Raytracing Ideas, Karen Paik
• Optical Effects and Accuracy, by Sam Uselton
• Map Projections Reference Book, by Mike Goss
• A Brief Review of Playmation, by Chris Williams
• PV3D Quick Review, by David Anjo
• Bounding Volumes (Sphere vs. Box), by Tom Wilson
• Raytracing Swept Objects, by Mark Podlipec
• Ray Transformation, by Kendall Bennett

RTNv5n3: September 2, 1992

• Introduction
• Intersection Between a Line and a Polygon (UNDECIDABLE??), by Dave Baraff, Tom Duff
• Fastest Point in Polygon Test, by Aladdin Nassar, Philip Walden, Eric Haines, Tom Dickens, Ron Capelli, Sundar Narasimhan, Christopher Jam, and (last but not least) Stuart MacMartin
• Polygon Intersection via Barycentric Coordinates, by Peter Shirley
• Many-Sided Polygon Intersection, by Eric Haines, Benjamin Zhu
• Code for Point in Polygon Intersectors, by Eric Haines

RTNv5n2: August 26, 1992

• Introduction - SIGGRAPH roundtable, etc
• New People, New Addresses, etc
• BSP Traversal Errata, by Kelvin Sung
• The Art of Noise, by Steve Worley
• Ray Tracing Roundup, by Eric Haines
• Graphics Gems III Residency Mask errata, by Joe Cychosz
• Any Future for Efficiency Research?, by Eric Haines
• NuGrid Update, by Mike Gigante

• Spline Patch Ray Intersection Routines, by Sean Graves
• Xdart, from Mark Spychalla
• 4D Space Viewing Software, by Steve Hollasch
• BYU Modelling and Visualization Package - Free Demo, by Stacey D. Son
• New Radiosity Program Available, by Guy Moreillon
• Optics Lab Information, by Anthony Siegman
• Ray Tracing (or Casting) Applications, by Tom Wilson
• Goofy (?) Idea, Gary McTaggart
• Constant Time Ray Tracing, by Tom Wilson, Eric Haines, Brian Corrie, and Masataka Ohta
• VLSI for Ray Tracing, by Kenneth Cameron, George Kyriazis, Peter De Vijt, Jon Leech, Sam Uselton, Thierry Priol, and "Dega Dude"
• The Moon Revisited, by Tom Duff
• Soft Shadow Ideas, compiled by Derek Woolverton
• Book Announcement: Multiprocessor Methods for Computer Graphics Rendering, by Scott Whitman

RTNv5n1: July 10, 1992

• Introduction - SIGGRAPH roundtable, etc
• New People, New Addresses, etc
• Texturing Parameterization, by Haakan "Zap" Andersson
• NuGrid results, by Mike Gigante
• Recursive Ray Traversal, by Erik Jansen and Wim de Leeuw, Response by Kelvin Sung
• Ideal Grid/Object Densities, by Dan Gehlhaar, Marc Andreessen
• BVH Traversal Results, by Nicholas Wilt
• Ray Tracing Roundup, by Eric Haines
• Mail Based 3D File Server, by Bob Lindabury
• Imagine That, by Steve Worley
• Correct Roots for Torus Intersection, by Haakan "Zap" Andersson
• Information on Taos Parallel Processor, by Paul Wain
• The Glazing Trick, by Haakan "Zap" Andersson
• Bug in Ray-Convex Polyhedron Intersector in Graphics Gems II, Eric Haines

RTNv4n3: November 18, 1991

• Introduction
• New People, Address Changes, etc
• ElectroGig Free Software Offer
• Spectrum: A Proposed Image Synthesis Architecture, by Andrew Glassner
• Spline Intersection, Texture Mapping, and Whatnot, by Rick Turner
• Satellite Image Interpretation, by Andy Newton
• Material Properties, by Ken Turkowski
• New Library of 3D Objects Available via FTP, by Steve Worley
• Object Oriented Ray Tracing Book
• New and Updated Ray Tracing and Radiosity Bibliographies
• DKBTrace 2.12 Port to Mac, by Thomas Okken
• Graphics Gems II Source Code
• Radiance Digest Archive, by Greg Ward
• Model Generation Software, by Paul D. Bourke
• Rayshade 4.0 Release, Patches 1 & 2, and DOS Port, by Craig Kolb and Rod Bogart
• RayShade Timings, by Craig Kolb
• RayShade vs. DKBtrace Timings, by Iain Dick Sinclair
• PVRay Beta Release, by David Buck
• Vort 2.1 Release, by Eric H. Echidna
• BRL-CAD 4.0 Release, by Michael J. Muuss and Glenn M. Gillis

RTNv4n2: July 15, 1991

• Introduction - SIGGRAPH get-together, etc
• New People, Address Changes, etc
• Ray Tracing Related FTP sites, compiled by Eric Haines
• Ray Tracing, the way I do it, by Haakan 'Zap' Andersson
• More Thoughts on Anti-Aliasing, by John Woolverton
• Spatial Measures for Accelerated Ray Tracing, by John Spackman
• Barcelona Workshop Summary, by Arjan Kok
• Book Announcement, from Stuart Green
• Spiral Scene Generator, by Tom Wilson
• An Announcement From The 'Paper Bank' Project, by Juhana Kouhia
• Radiance 1.4 via FTP, by Greg Ward
• Proceedings of Graphics Interface '91 Availability, by Irene Gargantini
• NFF Previewers, by Bernie Kirby, Patrick Flynn, Mike Gigante, Eric Haines
• RayTracker Demos Available, by Jari Kahkonen
• RayTracker Info, by Zap Andersson

RTNv4n1: March 1, 1991

• Introduction
• New People, Address Changes, etc
• Ray Tracing Abstract Collection, by Tom Wilson
• Report on Lausanne Hardware Workshop, by Erik Jansen
• New Version of SPD Now Available, by Eric Haines
• Teapot Timings, by John Spackman
• The Very First Point in Polygon Publication, by Chris Schoeneman
• The Acne Problem, by Christophe Schlick
• Shirley Thesis Available via Anonymous FTP, by Pete Shirley
• Some Thoughts On Anti-aliasing, by Zap Anderssen, Eric Haines
• New VORT Release, and the VORT Chess Set, by Eric H. Echnida, David Hook
• Best (or at least Better) of RT News, by Tom Wilson
• At Long Last, Rayshade v4.0 is Available for Beta-testing, by Craig Kolb
• Parallel Ray Tracer, by Kory Hamzeh, Mike Muuss, Richard Webb
• Distributed DKB, by Jonas Yngvesson
• Quadrangle Tessellation, by Christophe Schlick
• New Release of Radiance Software & Bug Fixes, by Greg Ward
• Radiance Timings on a Stardent, by Eric Ost
• RTSYSTEM Fast Ray Tracer, by Patrick Aalto
• DKBTrace Beta Available, by David Buck
• "Computer Graphics" 2nd Edition Corrections, Software, etc by Brown Emailer
• Papers which are currently available from the Net via anon. FTP, J. Kouhia

• Ray-Cylinder Intersection Tutorial, by Mark VandeWettering
• C++ Fractal and Ray Tracing Book, by Fractalman
• Ray/Spline Intersection Reference, by Spencer Thomas
• Superquadric Intersection, by Rick Speer, Michael B. Carter
• Comments on Interval Arithmetic, by Mark VandeWettering, Don Mitchell
• Platonic Solids, by Alan Paeth
• Moon Problems, by Ken Musgrave, Pete Shirley
• Ken gave another problem with rendering the moon:
• Shadow Testing Simplification, by Tom Wilson
• SIMD Parallel Ray Tracing, by George Kyriazis, Rick Speer
• Rayscene Animator, by Jari K{hk|nen [sic]
• SIPP 2.0 3d Rendering Package, by Jonas Yngvesson and Inge Wallin
• 3DDDA Comments, by John Spackman
• Radiosity Implementation Available via FTP, by Sumant
• Dirt, by Paul Crowley
• Thomson Digital Images University Donation Program, by Michael Takayama
• A Brief Summary of Ray Tracing Related Stuff, Angus Y. Montgomery

RTNv3n4: October 1, 1990

• Introduction
• New People, Address Changes, etc
• Photorealism, and the color Pink (TM), from Andrew Glassner
• DKBTrace v2.0 and Ray Tracing BBS Announcement, by David Buck, Aaron Collins
• Article Summaries from Eurographics Workshop, by Pete Shirley
• Convex Polyhedron Intersection via Kay & Kajiya, by Eric Haines
• New Radiosity Bibliography Available, by Eric Haines
• A Suggestion for Speeding Up Shadow Testing Using Voxels, by Andrew Pearce
• Real3d, passed on by Juhana Kouhia, "Zap" Andersson
• Utah Raster Toolkit Patch, by Spencer Thomas
• NFF Shell Database, by Thierry Leconte
• FTP list update and New Software, by Eric Haines, George Kyriazis

• Humorous Anecdotes, by J. Eric Townsend, Greg Richter, Michael McCool, Eric Haines
• Graphics Interface '91 CFP
• Parametric Surface Reference, by Spencer Thomas
• Solid Light Sources Reference, by Steve Hollasch, Philip Schneider
• Graphics Gems Source Code Available, by Andrew Glassner, David Hook
• Graphics Gems Volume 2 CFP, by Sari Kalin
• Foley, Van Dam, Feiner and Hughes "Computer Graphics" Bug Reports, by Steve Feiner
• Radiosity via Ray Tracing, by Pete Shirley
• Algorithm Order Discussion, by Masataka Ohta, Pete Shirley
• Point in Polygon, One More Time..., by Mark Vandewettering, Eric Haines, Edward John Kalenda, Richard Parent, Sam Uselton, "Zap" Andersson, and Bruce Holloway
• Quadrant Counting Polygon In/Out Testing, by Craig Kolb, Ken McElvain
• Computer Graphics Journals, by Juhana Kouhia

RTNv3n3: July 13, 1990

• Introduction
• Ray Tracing Roundtable Announcement
• New People, Address Changes, etc
• Jarke van Wijk Thesis Availability, by Erik Jansen
• New Name For "Distributed Ray Tracing", by Paul Heckbert et al
• NFF Files from Thierry Leconte
• RADIANCE Software Available, by Greg Ward
• Rayshade Updates & SPD Bug, by Craig Kolb
• New Version of Vort Ray Tracer, by David Hook
• Graphics Interface '90, by Eric Haines
• Real3d Review, Haakan "ZAP" Andersson
• Bits From a Letter by David Jevans
• On Antialiasing, & Light and Such, by Haakan "ZAP" Andersson

• Summary: Uniform Random Distribution of Points on Sphere's Surface, Marshall Cline
• Ray Tracing & Radiosity, by Frank Vance, Mark VandeWettering
• Ray-Tracing the Torus, by Prem Subrahmanyam, Bob Webber
• Need Help on Superquadrics, by Wayne McCormick, Robert Skinner
• Ray Tracing Penumbral Shadows, Prem Subrahmanyam
• Ray with Bicubic Patch Intersection Problem, Wayne Knapp, John Peterson, Lawrence Kesteloot, Mark VandeWettering, Thomas Williams
• Rendering Intersecting Glass Spheres, by John Cristy, Craig Kolb
• DKBPC Raytracer, by Tom Friedel
• New release of IRIT solid modeller, by Gershon Elber
• Easier Use of Ray Tracers, by Philip Colmer, Mark VandeWettering, Jack Ritter
• Raytracer Glass, by F. Ken Musgrave, Michael A. Kelly
• Ray Intersection with Grid, by Alasdair Donald Robert McIntyre, Rick Speer
• Database for DBW-Render, by Prem Subrahmanyam

RTNv3n2: March 20, 1990

• Introduction
• New People, Address Changes, etc
• FTP Site List, by Eric Haines
• RayShade Posting and Patches and Whatnot, by Craig Kolb
• Common Rendering Language, by Eric Haines
• Avoiding Re-Intersection Testing, by Eric Haines
• Torus Equation Correction, by Pat Hanrahan
• "Introduction to Ray Tracing" Shading Model Errata, by Kathy Kershaw
• Comments on Last Issue, by Mark VandeWettering
• An Improvement to Goldsmith/Salmon, by Jeff Goldsmith
• Fiddling with the Normal Vector, by H. 'ZAP' Anderson
• A Note on Texture Sampling, by Eric Haines
• Unofficial MTV Patches, by Eric Haines

• OFF Databases, by Randi Rost
• VM_pRAY is now available, by Didier Badouel
• Superquadrics, by Prem Subrahmanyam, Patrick Flynn, Ron Daniel, and Mark VandeWettering
• Graphics Textbook Recommendations, by Paul Heckbert, Mark VandeWettering, and Kent Paul Dolan
• Where To Find U.S. Map Data, by Dru Nelson
• References for Rendering Height Fields, Mark VandeWettering
• RayShade 3.0 Released on comp.sources.unix, by Craig Kolb
• Bibliography of Texture Mapping & Image Warping, by Paul Heckbert
• More Texturing Functions, by Jon Buller
• Ray/Cylinder Intersection, by Mark VandeWettering
• C Code for Intersecting Quadrics, by Prem Subrahmanyam
• Parallel Ray Tracing on IRISs, collected by Doug Turner

RTNv3n1: January 2, 1990

• Introduction
• New People
• Archive Site for Ray Tracing News, by Kory Hamzeh
• Ks + T > 1, by Craig Kolb and Eric Haines
• Quartic Roots, and "Intro to RT" Errata, by Larry Gritz and Eric Haines
• More on Quartics, by Larry Spence
• Question: Kay and Kajiya Slabs for Arbitrary Quadrics? by Thomas C. Palmer
• Ambient Term, by Pierre Poulin
• Book Reviews on Hierarchical Data Structures of Hanan Samet, by A. T. Campbell, III
• Comparison of Kolb, Haines, and MTV Ray Tracers, Part I, by Eric Haines
• Raytracer Performance of MTV, by Steve Lamont
• BRL-CAD Ray Tracer Timings, by Gavin Bell
• BRL-CAD Benchmarking and Parallelism, by Mike Muuss

• Rayshade Patches Available, by Craig Kolb
• Research and Timings from IRISA, by Didier Badouel
• Concerning Smart Pixels, by John S. Watson
• Input Files for DBW Render, by Tad Guy
• Intersection with Rotated Cubic Curve Reference, by Richard Bartels
• Needed: Quartz surface characteristics, by Mike Macgirvin
• Solution to Smallest Sphere Enclosing a Set of Points, by Tom Shermer
• True Integration of Linear/Area Lights, by Kevin Picott

RTNews9 v2n8: October 27, 1989

• Introduction
• Tracing Tricks, edited by Eric Haines Ambient Light Efficiency Schemes Bounding Volume Hierarchy Octree Bounding Box Intersection Spline Surface Intersection Acknowledgements Bibliography

RTNews8 v2n7: October 13, 1989

• Introduction
• New People and Address Changes
• Solid Surface Modeler Information, by Eric Haines
• Minimum Bounding Sphere Program, by Marshall Levine
• Parallelism & Modeler Info Request, by Brian Corrie

• Ray Tracer Available, by Craig Kolb
• Source from Roy Hall's Book, by Tim O'Connor
• More on Texture Mapping by Spatial Position, by Paul Lalonde
• Procedural Bump-mapping Query, by Prem Subrahmanyam
• Ray Tracer Performance on Machines, by Gavin A. Bell, Steve Lamont
• Projective Mapping Explanation, by Ken "Turk" Turkowski
• Intersection Calculation Problem Request, Jari Toivanen
• Mathematical Elements for Computer Graphics - Call for Errata, by David Rogers
• Raytracing on NCUBE Request, by Ping Kang Hsiung
• Intersection Between a Line and a Polygon (UNDECIDABLE??), by Dave Baraff, Tom Duff

RTNews8 v2n6: September 20, 1989

• Introduction
• New People and Address Changes
• Q&A on Radiosity Using Ray Tracing, by Mark VandeWettering and John Wallace
• Dark Bulbs, by Eric Haines
• MTV Ray Tracer Update and Bugfix, by Mark VandeWettering
• DBW Ray Tracer Description

• Wanted: Easy Ray/Torus Intersection, by Jochen Schwarze
• Polygon to Patch NFF Filter, by Didier Badouel
• Texture Mapping Resources, by Eric Haines, Prem Subrahmanyam, Ranjit Bhatnagar, and Jack Ritter

RTNews7 v2n5: August 29, 1989

• Introduction
• A SIGGRAPH Report, by Eric Haines
• Ray Tracing Poll, from the roundtable discussion
• _An Introduction to Ray Tracing_, Announcement and Errata
• _Graphics Gems_ Call for Contributions, by Andrew Glassner
• New People and Address Changes
• Bugs in MTV's Ray Tracer, by Eric Haines
• Bug in SPD, from Pete Segal
• Solid Textures Tidbit, by Roman Kuchkuda
• Sundry Comments, by Jeff Goldsmith
• Texture Mapping Question, by Susan Spach

• Ray Traced Image Files, Prem Subramanyan
• Image Collection, by Paul Raveling
• MTV-Raytracer on ATARI ST - precision error report, by Dan Riley
• Question on Ray Tracing Bicubic Parametric Patches, by Robert Minsk

RTNews7 v2n4: June 21, 1989

• Introduction
• Hardcopy News
• New (and Used?) People
• Minimum Bounding Sphere, continued, by Jack Ritter
• Comments on "A Review of Multi-Computer Ray-Tracing", by Thierry Priol
• Query: Dataflow architectures and Ray Tracing, by George Kyriazis

• Re: Pixar's noise function, by Jon Buller
• Re: DBW_render for SUN 3? by Tad Guy
• Re: Steel Colors, by Eugene Miya
• Dirty Little Tricks, by Jack Ritter
• Obfuscated Ray Tracer, by George Kyriazis
• Contents of FTP archives, skinner.cs.uoregon.edu, by Mark VandeWettering

RTNews7 v2n3: May 12, 1989

• Introduction
• New People, by Carl Bass, Paul Wanuga
• QRT Ray Tracer (and five other Amiga Ray Tracers), by Steve Koren
• New Version of MTV Ray Tracer, by Mark VandeWettering
• Re: Ray Traced Bounding Spheres, by Earl Culham
• Noise and Turbulence Function Code, Pascal and C, by Jon Buller, William Dirks

RTNews6 v2n2: February 20, 1989

• Introduction, by Eric Haines
• New Subscribers, by Turner Whitted, Mike Muuss
• The BRL CAD Package, by Mike Muuss
• New Book: _Illumination and Color in Computer Generated Imagery_, Roy Hall (Eric Haines)
• Uniform Distribution of Sample Points on a Surface
• Depth of Field Problem, by Marinko Laban
• Query on Frequency Dependent Reflectance, by Mark Reichert
• "Best of comp.graphics" ftp Site, by Raymond Brand
• Notes on Frequency Dependent Refraction
• Sound Tracing
• Laser Speckle

RTNews6 v2n1: January 6, 1989

• Introduction, by Eric Haines
• New Members, by David Jevans, Subrata Dasgupta, Darwin Thielman, Steven Stadnicki, Mark Reichert
• Multiprocessor Visualization of Parametric Surfaces, by Markku Tamminen, comments from many others
• Miscellany, by K.R.Subramanian, David F. Rogers, Steven Stadnicki, Joe Smith, Mark Reichert, Tracey Bernath
• Supersampling Discussion, by David Jevans, Alan Paeth, Andrew Woo, Loren Carpenter
• Distributed Ray Tracer Available, by George Kyriazis
• Ray Tracing Program for 3b1, by Sid Grange
• Map Archive, by Gary L. Crum
• Index of Back Issues, by Eric Haines

RTNews5 v1n11: November 4, 1988

• Intro
• New People
• Ray/Triangle Intersection with Barycentric Coordinates, by Rod Bogart, Jeff Arenberg
• Transforming normals, by David F. Rogers
• 2D box-test, by Jack van Wijk
• Re: Neutral File Format, by Jeff Goldsmith
• RT and Applications, by Cary Scofield
• Re: Goldsmith and Eyes, by K.R.Subramanian
• Wood Textures, by Rod Bogart
• Shadows, Mirrors, and "Virtual Lighting", by Steve Stadnicki
• Re: Basics of Raytracing, by David Jevans
• Re: What is Renderman Standard?, by Steve Upstill
• Free On-Line Computer Graphics References
• Latest Mailing List, Short Form, by Eric Haines

RTNews5 v1n10: October 3, 1988

• Intro
• New Addresses and People
• Bitmap Stuff, by Jeff Goldsmith
• More Comments on Kay/Kajiya
• Questions and Answers (for want of a better name)
• More on MTV's Public Domain Ray Tracer (features, bug fixes, etc)
• Neutral File Format (NFF), by Eric Haines

RTNews4 v1n9: September 11, 1988

• Intro
• Capsule Autobiographies, by more new people
• The Continuing Saga of MTV's Raytracer, by Mark VandeWettering
• Public Domain Ray Tracer Q & A, by Mark VandeWettering
• Public Domain Ray Tracer Utilities, by Tom Vijlbrief
• Sorting Unnecessary on Shadow Rays for Kay/Kajiya? by Eric Haines and Mark VandeWettering
• Summary of Replies to Vectorizing Ray-Object Intersection Query, by Tom Palmer
• The Ray Tracer I Wrote, by George Kyriazis
• New Bitmaps Library Available, Jef Poskanzer

RTNews4 v1n8: September 5, 1988

• Intro
• Capsule Biographies
• SIGGRAPH '88 RT Roundtable Summary, by Paul Strauss and Jeff Goldsmith
• Commercial Ray Tracing Software and SIGGRAPH, by Eric Haines and others
• A Letter, by Jeff Goldsmith
• Best of USENET
• Postscript Ray Tracer, John Hartman and Paul Heckbert

RTNews3 v1n7: June 20, 1988

• Introduction
• New People and Addresses
• Non-article on RenderMan and Dore', by Eric Haines
• Ray Tracing Bibliography Update, by Paul Heckbert and Eric Haines
• Commercial Ray Tracing Software, by Eric Haines
• Benchmarks, by Jeff Goldsmith

RTNews3 v1n6: April 6, 1988

• RT News, Hardcopy Form, by Andrew Glassner
• New People
• Question for the Day, by Rod Bogart
• Re: Linear-time Voxel Walking for BSP, by Erik Jansen
• Some Thoughts on the Theory of RT Efficiency, by Jim Arvo
• Automatic Creation of Object Hierarchies for Ray Tracing, by Eric Haines
• Best of USENET

RTNews2 v1n5: March 26, 1988

• Intro, Eric Haines
• Mailing list changes and additions: Kuchkuda, Lorig, Rekola
• More on shadow testing, efficiency, etc., Jeff Goldsmith
• More comments on tight fitting octrees for quadrics, Jeff Goldsmith
• LINEAR-TIME VOXEL WALKING FOR OCTREES, Jim Arvo
• Efficiency Tricks, Eric Haines
• A Rendering Trick and a Puzzle, Eric Haines
• PECG correction, David Rogers

RTNews2 v1n4: March 8, 1988

• Surface acne, by Eric Haines
• Goldsmith/Salmon hierarchy building
• Efficiency tricks followup, by Ohta, Goldsmith, Haines

• Primitive/Box Overlap Testing, by Ruud Waij, Paul Heckbert, Andrew Glassner

RTNews2 v1n3: March 1, 1988

• Mailing list updates
• Another Dore' article
• Teapot in a football stadium, by Glassner, Arvo, Haines
• Efficiency Tricks, by Jeff Goldsmith
• More book recommendations, by Jeff Goldsmith
• Bug for the day, by Eric Haines
• A pet peeve, by Jeff Goldsmith

RTNews2 v1n2: Februrary 15, 1988

• Dore'

RTNews1 v1n1: January 15, 1988

• Introduction
• Subdivision and CSG, by Erik Jansen
• Spline surface rendering, and what's wrong with octrees, by Eric Haines
• Top ten hit parade of computer graphics books, by Eric Haines
• Normal vectors and octree relies, by Olin Lathrop and Eric Haines
• Subspaces and simulated annealing, by Jim Arvo

RTNews1 the start: Sometime after Siggraph '87

• Introduction
• SPD and NETLIB, by Eric Haines
• Spline Surfaces, by John Peterson, Haines, Goldsmith, Kay
• Abnormal Normals, by Eric Haines

Paper Editions, edited by Andrew Glassner, founder of the Ray Tracing News

---

Ray Tracing News, Volume 3, Number 1, May 1989

• A Ray-Triangle Intersection Algorithm, by Jeff Arenberg, pp. 2-4
• Barycentric Coordinates for Ray-Triangle Intersections, by Rod G. Bogart, p. 5
• D-Sampling: An Additional Heuristic for Adaptive Sampling, by Andrew Woo, pp. 6-7
• Graphic Gem: Overlapping Boxes, contributed by Andrew Glassner, p. 7
• A Review of Multi-Computer Ray Tracing, by David A.J. Jevans, pp. 8-15
• A Proposal for a Hybrid Voxel Traversal Approach, by Andrew Wood, pp. 16-19
• Graphic Gem: Simpler Numerical Root-Finding, contributed by Andrew Glassner, pp. 19-22
• bookshelf (reviews by Andrew Glassner), pp. 23-25
• Graphic Gem: Projecting a Vector Onto A Plane, contributed by Andrew Glassner, p. 25
• New Book: Call for Contributions, p. 26

Ray Tracing News, Volume 2, Number 2, June 1988

• Rectangular Bounding Volumes for Popular Primitives, by Ben Trumbore, pp. 2-3
• Linear-time Voxel Walking for Octrees, by Jim Arvo, pp. 3-6
• Exposure Keys for the Digital Darkroom, by Andrew Glassner, pp. 6-7
• A Postscript Ray Tracing, by John Hartman and Paul Heckbert, pp. 8-10
• A Ray Tracing Bibliography, by Paul Heckbert and Eric Haines, pp. 11-16
• Solution to Last Issue's Puzzle, by Eric Haines, p. 17
• Interactive SIMD Ray Tracing, by Russ Tuck, pp. 18-20

Ray Tracing News, Volume 2, Number 1, February 1988

• Problems with the Octree Subdivision Method for Ray Tracing, by Eric Haines, pp. 1-2
• Editorial: Optical Junk and Rendering Times, by Andrew Glassner, pp. 3-4
• Notes Regarding Ray Tracing with Octrees, by Olin Lathrop, pp. 4-5
• Minimal Ray Tracing, by Paul Heckbert, p. 4
• Subspaces and Simulated Annealing, by Jim Arvo, pp. 6-8
• Top 10 Hit Parade of Computer Graphics Books, by Eric Haines, pp. 8-9
• A Rendering Trick & Puzzle, by Eric Haines, p. 9
• Efficiency Tricks, by Eric Haines, p. 10
• Efficient Ray Tracing in Subdivided Space, by Andrew Glassner, pp. 11-12

Ray Tracing News, Volume 1, Number 1, September 1987

• Fine Print, p. 1
• Newsletter Announcement and Statement of Purpose, pp. 1-2
• A Summary of the Ray Tracing Roundtable at SIGGRAPH '87, by Andrew Glassner, p. 2
• Efficient Boolean Evaluation of CSG Models for Ray Tracing, by Andrew Glassner, pp. 3-7
• A Proposal for Standard Graphics Environments, by Eric Haines, p. 8
• A Small Catalog of Reflectance Spectra, by Andrew Glassner, pp. 9-11
• Call for Contributions, p. 12
• The Mailing List, p. 13