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Ray tracing is a technique for modeling light transport in 3D computer graphics. It can simulate various optical effects, such as reflection, refraction, shadows, and sound waves, but requires more computational cost and time than scanline rendering methods.
A comprehensive list of free and commercial software for producing ray-traced images. Compare the features, licenses, platforms and availability of various ray-tracing software products.
Conventional ray tracing uses single rays to sample many different domains. For example, when the color of an object is calculated, ray tracing might send a single ray to each light source in the scene. This leads to sharp shadows, since there is no way for a light source to be partially occluded (another way of saying this is that all lights ...
Learn how to use ray transfer matrices (ABCD matrices) to perform ray tracing calculations for optical systems. Find the matrices for free space, refraction ...
POV-Ray is a free and open-source software that generates images from a text-based scene description. It supports various features such as radiosity, photon mapping, SSAA, and custom output resolutions, and has a large collection of third-party-made assets and tools.
Radiance is a suite of tools for performing lighting simulation, developed by Greg Ward since 1985. It uses ray tracing, HDR imaging, and global illumination, and supports many formats and platforms.
Ray casting is a method of tracing virtual light rays from the camera to the 3D scene to determine visibility and shading. It is used for 3D modeling and image rendering, especially in early real-time 3D video games.
Learn about the special-purpose computer hardware designed for accelerating ray tracing calculations, from early experiments to modern GPUs. Compare different approaches, features, and performance of ray tracing hardware across various products and platforms.