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PPT – Ray Tracing PowerPoint presentation | free to view ...
https://www.powershow.com/view/3b3052-YTUxZ/Ray_Tracing_powerpoint_ppt_presentation
Ray Tracing - Ray Tracing Ray Tracing 1 Basic algorithm Overview of pbrt Ray-surface intersection (triangles, ) Ray Tracing 2 Brute force: Acceleration data structures | PowerPoint PPT presentation | free to view . ... The PowerPoint PPT presentation: "Ray Tracing" is the property of its rightful owner.
Ray tracing idea Ray Tracing - cs.cornell.edu
https://www.cs.cornell.edu/courses/cs465/2005fa/lectures/03raytracing.ppt.pdf
Ray tracing algorithm for each pixel {compute viewing ray intersect ray with scene compute illumination at visible point put result into image} Cornell CS465 Fall 2004 ... • With ray tracing it’s easy to check – just intersect a ray with the scene! Cornell CS465 Fall 2004 ...
Ray Tracing - cs.ucf.edu
https://www.cs.ucf.edu/courses/cot4810/fall04/presentations/Ray_Tracing.ppt
Drawbacks of Ray Tracing Slow due to many intersection testing operations 640x480 resolution, objects with 10 ops/test, 3,072,000 ops required per object Does not include secondary rays Not appropriate for most games as real-time rendering through ray tracing is nearly impossible with current techniques and hardware Speeding Up Ray Tracing ...
PPT – Ray Tracing Methods PowerPoint presentation | free ...
https://www.powershow.com/view/159dfe-YWRjZ/Ray_Tracing_Methods_powerpoint_ppt_presentation
Ray Tracing in CUDA - Title: A Parallel Algorithm in CUDA for Construction of Uniform Grids Used in Particle Systems Author: andrei Last modified by - Created Date: 6/24/2010 1:35:12 PM ... The PowerPoint PPT presentation: "Ray Tracing Methods" is the property of its rightful owner.
Ray Tracing Algorithm - People
https://people.cs.vt.edu/yongcao/teaching/csx984/fall2011/documents/Lecture4_RayTracing_Algorithm.pdf
Ray Tracing Algorithm Copyright © 2010 by Yong Cao View dependent Computationally expensive Good for refraction and reflection effects Author: Yong Cao Created Date ...
Ray Tracing Basics - Department of Computer Science and ...
https://web.cse.ohio-state.edu/~shen.94/681/Site/Slides_files/basic_algo.pdf
Basic Ray Tracing Algorithm for every pixel { cast a ray from the eye for every object in the scene find intersections with the ray keep it if closest } compute color at the intersection point} Construct a Ray 3D parametric line p(t) = eye + t (s-eye) r(t): ray equation eye: eye (camera) position s: pixel position
Basic Ray Tracing - Department of Computer Science …
https://www.csee.umbc.edu/~adamb/435/Slides/raytrace.pdf
– Shading: algorithm for calculating intensities at pixels (image space; algorithm) • Objects – Light sources: light-emitting – Other objects: light-reflecting ... Ray Tracing Reflection • Viewer looking in direction d sees whatever the viewer “below” the surface sees looking in direction r
PowerPoint Presentation
https://web.cse.ohio-state.edu/~boggus.2/3541/Lectures/21%20-%202%20-%20Rendering%20using%20Raytracing.pptx
Same idea as Reflective ray tracing – spawn a secondary ray. The direction of the spawned ray is in the direction of the incoming ray altered a little bit. The alteration is based on the material that the ray is leaving (e.g. air) and the material that the ray is entering (e.g., glass)
CS 4204 Computer Graphics Introduction to Ray Tracing
https://courses.cs.vt.edu/~cs4204/lectures/ray_tracing.pdf
• Recursive algorithm Function Main for each pixel (c,r) on screen 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
PowerPoint Presentation
http://www.cs.northwestern.edu/~ago820/cs351/Slides/RayTracingSlides.ppt
Ray Tracing CS 351-50 Nov. 19, 2003 Turner Whitted No Bounces One Bounce Two Bounces Reflection Ray Adding an object: transparency Refraction Index of Refraction > 1 Index of Refraction < 1 Algorithm Sampling Ray Tracing Demos Sampling Demo Texture & Materials Links Ray Tracing CS 351-50 Nov. 19, 2003 Turner Whitted No Bounces One Bounce Two Bounces …
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