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Tutorial of Ray Casting, Ray Tracing, Path Tracing and Ray Marching
https://blog.ruofeidu.com/tutorial-of-ray-casting-ray-tracing-and-ray-marching/
What is raytracing/raymarching/raycasting
https://microstudio.dev/community/articles/what-is-raytracingraymarchingraycasting/136/
Raytracing, raymarching and raycasting are all different ways to render objects in a 3d space. Despite losing on speed to rasterizers or poly-filling, they have the advantage of being able to do accurate lighting, reflections, shadows, etc. that rasterizers …
What’s the Difference Between Ray Tracing, Ray Casting, …
https://www.electronicdesign.com/technologies/displays/article/21801219/whats-the-difference-between-ray-tracing-ray-casting-and-ray-charles
Ray casting is considered the most basic of computer-graphics rendering algorithms and uses the geometric algorithm of ray tracing. The first ray-casting algorithm used for rendering was presented...
Online Graphics Course Raytracing 1: Ray Casting
https://www.youtube.com/watch?v=psZryo9-MQM
Online Graphics Course Raytracing 1: Ray CastingTable of Contents:00:00 - Foundations of Computer Graphics00:10 - Effects needed for Realism01:11 - Ray Traci...
What is the difference between ray tracing and ray casting?
https://www.quora.com/What-is-the-difference-between-ray-tracing-and-ray-casting
Ray casting is a process where points of intersection with a line are computed analytically, using formulas of intersection. Ray marching is a specific algorithm, a variant on ray casting where samples are taken down a line to test for intersections or other criteria.
Ray casting - Wikipedia
https://en.wikipedia.org/wiki/Ray_casting
Ray casting is the methodological basis for 3D CAD/CAM solid modeling and image rendering. It is essentially the same as ray tracing for computer graphics where virtual light rays are "cast" or "traced" on their path from the focal point of a camera through each pixel in the camera sensor to determine what is visible along the ray in the 3D scene. The term "Ray Casting" was introduced …
Ray tracing (graphics) - Wikipedia
https://en.wikipedia.org/wiki/Ray_tracing_(graphics)
Optical ray tracing describes a method for producing visual images constructed in 3D computer graphics environments, with more photorealism than either ray casting or scanline rendering techniques. It works by tracing a path from an imaginary eye through each pixel in a virtual screen, and calculating the color of the object visible through it.
Introduction to Computer Graphics, Section 8.1 -- Ray Tracing
https://math.hws.edu/graphicsbook/c8/s1.html
To distinguish this from simple ray casting, ray tracing is often referred to as "recursive ray tracing." Ray tracing can be extended in a similar way to handle transparency or, more properly, translucency. When computing a color for a point on a translucent object, we need to take into account light that arrives at that point through the object.
Ray Casting - University of California, Berkeley
https://inst.eecs.berkeley.edu/~cs184/sp12/slides/lecture16.pdf
Camera Ray Casting (choosing ray directions) Ray-object intersections Ray-tracing transformed objects Lighting calculations Recursive ray tracing Mirror Reflections/Refractions Virtual Viewpoint Virtual Screen Objects Generate reflected ray in mirror direction, Get reflections and refractions of objects Turner Whitted 1980 7 Basic idea
Metal by Tutorials, Chapter 18: Rendering with Rays
https://www.raywenderlich.com/books/metal-by-tutorials/v2.0/chapters/18-rendering-with-rays
Ray tracing was introduced in 1979 by Turner Whitted. In contrast to ray casting — which shoots about a thousand rays into the scene — ray tracing shoots a ray for each pixel (width * height), which can easily amount to a million rays! Iknezrehar as upexd bow msijukh:
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