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Directory Sites
An open source volume modeling and rendering library for unix. The interface facilitates the majority of significant developments in the field to date.
vg.swan.ac.uk
An extensible system for creating ray-traced images. It is written in C, yacc, and lex, and runs on Unix, AmigaOS, OS/2, DOS and Older MacOS.
graphics.stanford.edu
Java ray tracing engine distributed under the GNU Public License. Images, screenshots, download, and feature list.
wave.prohosting.com
Realistic Image Synthesis Engine
R.I.S.E. is an open source global illumination renderer for producing physically and biologically based photo realistic images. Product specifications, gallery, documentation, and downloads. [Windows, Linux, SunOS, Irix 6.5, Sun Solaris]
rise.sourceforge.net
Plug-in for Rhino, uses both raytracing and radiosity to create single-frame images and animations. Product description, gallery, training, evaluation download, and purchasing. For Windows.
www.flamingo3d.com
A GUI the YAFRAY raytracer written in Python. Downloads, screenshots, and FAQ. Available for Linux and Windows.
www.fen-net.de
Ray Tracing Introduction from SIGGRAPH
A basic introduction to building a ray tracer, with some pointers to more advanced subjects at the end.
www.siggraph.org
The Recursive Ray Tracing Algorithm
Explains how the basic ray tracing algorithm with reflection, transparency and shadows works.
www.geocities.com
Home of the Lparser, the program reads a Lsystem description and processes it into a 3d form which can then be outputted in several formats, including VRML, DXF and POV.
home.wanadoo.nl
Home of the comp.graphics.rendering.raytracing-faq with a online version.
www.cg.tuwien.ac.at
A game engine aiming towards three dimensional computer graphics which fits both human perception and the shape of the real world better than common polygon engines do. Linux.
rearview.sourceforge.net
Personal page with links to programs for modeling, Ray tracing, converting, and animating. Plus models for various ray tracers. Windows, MacOS and Unix.
chuckr.bravepages.com
Raytracing system written in Common Lisp. It trys to become good classical raytracer: reasonably efficient, with a good selection of primitives, advanced texturing capabilities, animation support, and probably integration of the scripting environment with some GUI tools.
www.nongnu.org
Tachyon Parallel / Multiprocessor Ray Tracing System
A ray tracer distributed as C source, supporting almost every Unix version, Windows NT and Mac OSX.
jedi.ks.uiuc.edu
The FAQ about speed optimization for raytracing for use in realtime raytracing.
www.acm.org