Ray Tracing 3D Graphics

A technique used in computer graphics to create realistic images by calculating the paths taken by rays of light entering the observer's eye at different angles. The paths are traced backwards from the viewpoint, through a point (a pixel) in the image plane until they hit some object in the scene or go off to infinity.

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• Renderpark - Test bed system for physically based photo-realistic image synthesis, mostly radiosity based. Unix based.
  
• Ray Tracing Introduction from SIGGRAPH - A basic introduction to building a ray tracer, with some pointers to more advanced subjects at the end.
  
• The Rearview Rendering Engine - 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.
  
• Realstorm - A realtime raytracing engine with downloadable benchmark, screenshots and information. Windows 95/98/me/2000.
  
• Lightflow Rendering Interface - An object oriented library with API in C++ and Python for synthetic rendering, which provides a common environment and description language to treat light distribution in three dimensional spaces. Available for Linux and Windows.
  
• Chuck's Ray Tracing Software - Personal page with links to programs for modeling, Ray tracing, converting, and animating. Plus models for various ray tracers. Windows, MacOS and Unix.
  
• FAQ for realtime raytracing - The FAQ about speed optimization for raytracing for use in realtime raytracing.
  
• Raytressi - Ray tracing library written in c++ with python bindings. Source code, documentation, galleries, tutorials available. Binaries for Windows, seems to be portable to Unix platforms.
  
• Ray tracing in Wikipedia - An overview non technical article on ray tracing also covering some history of the subject.
  
• Raytracing-FAQ - Home of the comp.graphics.rendering.raytracing-faq with an online version.
  
• Rayshade - 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.
  
• RayTraccio - A Java ray-tracer running as a applet that wants to be simple and clean but nonetheless has some advanced features.
  
• Tachyon Parallel / Multiprocessor Ray Tracing System - A ray tracer distributed as C source, supporting almost every Unix version, Windows NT and Mac OSX.
  
• Realtime Raytracing Maillist - Discuss programming techniques, algorithms and productions related to realtime raytracing, both software or hardware based.
  
• vlib - An open source volume modeling and rendering library for unix. The interface facilitates the majority of significant developments in the field to date.
  
• YASRT Raytracer - A simple raytracer in development, it supports the basic features of a raytracer along with multi-threading. Many platforms are supported (Win32, Linux, and iPAQ).
  
• Flamingo - 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.
  
• Laurens Lapre's Webpages - Home of the Lparser, the program reads a Lsystem description and processes it into a 3d form which can then be output in several formats, including VRML, DXF and POV.
  
• GRT Raytracer - 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
  
• Bagisas - A GUI the YAFRAY raytracer written in Python. Downloads, screenshots, and FAQ. Available for Linux and Windows.
  
• Ray Tracing News Guide - Lots of information on ray tracing. Updated once or twice a year.
  
• 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]
  
• Internet Raytracing Competition - Regular awards for best raytraced still images and animations submitted by the public. Recent winners, voting on the current round, and the topic and rules for submitting to the next round.
  
• ACM Crossroads: Ray Tracing - Article on Ray Tracing in the student magazine of the ACM.
  
• Java Ray Tracer - Java ray tracing engine distributed under the GNU General Public License. Images, screenshots, download, and feature list.
  
• The Recursive Ray Tracing Algorithm - Explains how the basic ray tracing algorithm with reflection, transparency and shadows works.
  
• Radiance - A raytracer trying to aid lighting designers and architects by predicting the light levels and appearance of a space prior to construction. It uses a hybrid approach of Monte Carlo and deterministic ray tracing. Available for Unix.
  
• CoolRay - Open Source Raytracer with a scene description language that provides constructs for programming like loops and functions. Its written in C++ and runs on Windows and Linux/Unix.
  
• FuzzyPhoton - The Raytracing Repository - Information about raytracing in general, with a how-to section and an A-Z reference. Technical articles and a gallery of images renderd with the VRWorld4 raytracer developed by the author, and humour.
  
  

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