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Ray tracing (graphics) - Wikipedia
https://en.wikipedia.org/wiki/Ray_tracing_(graphics)
Ray Tracing (Shading)
https://www.cs.cornell.edu/courses/cs4620/2012fa/lectures/35raytracing.pdf
•Solution: shadow rays start a tiny distance from the surface •Do this by moving the start point, or by limiting the trange 11 © 2012 Kavita Bala • (with previous instructors James/Marschner) Cornell CS4620/5620 Fall 2012 • Lecture 35 Multiple lights •Just loop over lights, add contributions •Important to fill in black shadows 12
Introduction to Ray Tracing: a Simple Method for Creating …
https://www.scratchapixel.com/lessons/3d-basic-rendering/introduction-to-ray-tracing/implementing-the-raytracing-algorithm
The ray-tracing algorithm takes an image made of pixels. For each pixel in the image, it shoots a primary ray into the scene. The direction of that primary ray is obtained by tracing a line from the eye to the center of that pixel.
An Overview of the Ray-Tracing Rendering Technique
https://www.scratchapixel.com/lessons/3d-basic-rendering/ray-tracing-overview
Ray-tracing is a technique for computing the visibility between points. Light transport algorithms are designed to simulate the way light propagates through space (while interacting with objects). They are used (in short) to compute the color of a point in the scene. Do not mix ray-tracing with light transport algorithms.
Ray Tracing Algorithm - Virginia Tech
https://people.cs.vt.edu/yongcao/teaching/csx984/fall2011/documents/Lecture4_RayTracing_Algorithm.pdf
You raytrace the refracted ray. 1. Lights 2. Reflection 3. Refraction S Ashiny, transparent S B,S Ddiffuse,opaque S Cshiny, opaque Light Eye S C S A S D P A S B Ray Tracing Algorithm
Ray Tracing: intersection and shading
https://www.cs.cornell.edu/courses/cs4620/2013fa/lectures/03raytracing1.pdf
– this is a parametric equationfor the line – lets us directly generate the points on the line – if we restrict to t> 0 then we have a ray – note replacing dwith addoesn’t change ray (a> 0) 3 Cornell CS4620 Fall 2013 • Lecture 3 © 2013 Steve Marschner • Ray-sphere intersection: algebraic
Ray tracing and shading
http://graphics.cs.cmu.edu/courses/15-468/lectures/lecture3.pdf
Shading Ray Generation Shading When ray hits a surface we perform lighting/shading Determine “what color/light should we see at this location?” Surfaces can scatter and/or emit light - Surface emits light? just return emitted color (determined by the material) - Surface scatters/reflects/refracts light?
roozbehsayadi/Ray-Tracing: An algorithm for rendering …
https://github.com/roozbehsayadi/ray-tracing
When a ray intersects with a point, calculate its reflection angle and shoot another ray from that point. By recursion you can get its color. Then add the reflection color to original color. Use a coefficient to lower the reflection's effect on color. You can checkout output image and list of implemented stuff in the Example Output section below.
Ray Tracing - University of Washington
https://courses.cs.washington.edu/courses/csep557/19sp/assets/lectures/ray-tracing-1pp.pdf
We'll call these flows “light rays.” wLight rays travel in straight lines in free space. wLight rays do not interfere with each other as they cross. wLight rays obey the laws of reflection and refraction. wLight rays travel from the light sources to the eye, but the physics is invariant under path reversal (reciprocity). 4 Eye vs. light ray tracing
Toon Shading Using Distributed Raytracing
https://www.cs.rpi.edu/~cutler/classes/advancedgraphics/S17/final_projects/amy_toshi.pdf
of toon shading which makes use of distributed ray tracing, as op-posed to traditional toon shading implementations. In particular, this implementation better captures global effects as shading and edges, where other toon shading algorithms fall short, especially with respect to reflection. 1 Introduction 1.1 Toon Shading
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