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What is ray tracing: Definition and important terms ...
https://www.ionos.com/digitalguide/server/know-how/ray-tracing/#:~:text=Ray%20tracing%20is%20a%20type%20of%20graphics%20technology,ray%20tracing.%20So%2C%20what%20exactly%20is%20ray%20tracing%3F
What Is Ray Tracing In Computer Graphics — 3DRealize
https://www.3drealize.com/what-is-ray-tracing-in-computer-graphics/
In layman's terms, ray tracing renders computer graphics to simulate the physical behavior of light bouncing off objects. The more realistic it can simulate reflection, highlights, motion blur, chromatic aberrations, light bounce, shadow ...etc means more realistic lighting effects. Ray tracing generates an image by tracing the path of light as pixels in an image plane.
Ray tracing (graphics) - Wikipedia
https://en.wikipedia.org/wiki/Ray_tracing_(graphics)
Visible Surface Detection - Tutorialspoint
https://www.tutorialspoint.com/computer_graphics/visible_surface_detection.htm
The basic idea is to test the Z-depth of each surface to determine the closest (visible) surface. In this method each surface is processed separately one pixel position at a time across the surface. The depth values for a pixel are compared and the closest (smallest z) surface determines the color to be displayed in the frame buffer.
Intro to Computer Graphics: Visible Surface Determination
https://www.cs.uic.edu/~jbell/CourseNotes/ComputerGraphics/VisibleSurfaces.html
Simple Ray Tracing. A simple ray-tracing algorithm can be used to find visible surfaces, as opposed to a more complicated algorithm that can be used to generate those o-so-pretty images. Ray tracing is an image based algorithm. For every pixel in the image, a ray is cast from the center of projection through that pixel and into the scene.
Visible surface detection in computer graphic
https://www.slideshare.net/anku2266/visible-surface-detection-35177585
5. Depth Cueing Hidden surfaces are not removed but displayed with different effects such as intensity, color, or shadow for giving hint for third dimension of the object. Simplest solution: use different colors-intensities based on the dimensions of the shapes. 6.
RayTracing - Computer Science | UCSB Computer …
https://sites.cs.ucsb.edu/~yfwang/courses/cs180/notes/raytracing.pdf
Ray Tracing Basics Shoot ray in the reversedirection (from eyes to light instead of from light to eyes) Miss Hit Shadow ray (to the light) Reflected ray (on the same side) Refracted ray (on the opposite side) Hit and Miss Shadow Ray Shadow ray Blocked –in shadow Not blocked Reflected Ray Pick up color of objects on the same side Refracted Ray
Computer Graphics Lecture 07: Ray Tracing
https://sustech-cse-courses.github.io/CSE4001/Lecture/Computer%20Graphics%20Lecture%2007.pdf
Computer Graphics Lecture 07: Ray Tracing DR. ELVIS S. LIU SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY. SPRING 2018. ... along each ray Called “hidden surface problem” in older texts “Visibility” is a more modern term Also, we assume (for now) a single ray per pixel ... that also contribute to color; RRT (Recursive Ray Tracing) only ...
CS 4204 Computer Graphics Introduction to Ray Tracing
https://courses.cs.vt.edu/~cs4204/lectures/ray_tracing.pdf
determine ray r c,r from eye through pixel color(c,r) = raytrace(rr c,r) ) end for end function raytrace(r) find closest intersection P of ray with objects clocal = Sum(shadowRays(P,Lighti)) c re = raytrace(r re) c ra = raytrace(r ra) return c = clocal+k re*c re+k ra*c ra end
CS3500 Computer Graphics Visible Surface …
https://web.iiit.ac.in/~pjn/S2009/VSDModule.pdf
Ray Tracing for Visibility •Perform exactly what our image-precision algorithm described. for each pixel in the image Determine closest object in the direction of projector Draw the pixel with appropriate colours •Send rays from CoP through each image pixel to the world. •Called ray tracing or ray casting. •Equation of the ray is known.
Hidden-surface determination - Wikipedia
https://en.wikipedia.org/wiki/Hidden-surface_determination
In 3D computer graphics, hidden-surface determination is the process of identifying what surfaces and parts of surfaces can be seen from a particular viewing angle. A hidden-surface determination algorithm is a solution to the visibility problem, which was one of the first major problems in the field of 3D computer graphics. The process of hidden-surface determination is …
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