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Ray tracing tutorial - section 2: diffuse shading
https://www.groovyvis.com/other/raytracing/diffuse.html
From the ray's origin to the intersection, which has already been calculated by the ray-object intersection function. Diffuse shading is based on the principal that more light hits the surface of an object where the angle between the surface normal and the vector from the intersection to
A Ray Tracing Solution for Diffuse Interreflection
https://eta.lbl.gov/publications/ray-tracing-solution-diffuse
An efficient ray tracing method is presented for calculating interreflections between surfaces with both diffuse and specular components. A Monte Carlo technique computes the indirect contribution sto illuminance at locations chosen by the rendering process. The indirect illuminance values are averaged over surfaces and used in place of a ...
Ray tracing (graphics) - Wikipedia
https://en.wikipedia.org/wiki/Ray_tracing_(graphics)
A Ray Tracing Solution for Diffuse Interreflection | Energy ...
https://eta-publications.lbl.gov/publications/ray-tracing-solution-diffuse
Abstract An efficient ray tracing method is presented for calculating interreflections between surfaces with both diffuse and specular components. A Monte Carlo technique computes the indirect contribution sto illuminance at locations chosen by the rendering process.
Is Ray Tracing Worth It In 2022? (Pros & Cons) - Graphics Report
https://graphicsreport.com/is-ray-tracing-worth-it/
Ray tracing also accurately models “diffuse inter-reflection,” which is when light rays bounce off multiple surfaces before reaching the viewer’s eyes. If you have a shiny object in your scene, only the reflections will be accurate rather than an …
Raytracing - how to combine diffuse and specular color?
https://stackoverflow.com/questions/15619830/raytracing-how-to-combine-diffuse-and-specular-color
You can dim the light source a bit, that is multiply the diffuse-strength you calculated form the cosine by the brightness - say 0.8 or 0.7. You could limit the color-saturation (green that is) of the sphere and make it less greeen ;)
c++ - Weird raytracing behavior for diffuse materials
https://stackoverflow.com/questions/55715166/weird-raytracing-behavior-for-diffuse-materials
Here are the specific parts of the code for diffuse material, which basically reflect the ray into a random direction, chosen from a sphere that is tangent to the collision point (Sorry if my explanation isn't clear enough). This is the function that take a random point from a sphere tangent to the collision point.
Ray Tracing - University of Washington
https://courses.cs.washington.edu/courses/csep557/19sp/assets/lectures/ray-tracing-1pp.pdf
In 1980, Turner Whittedintroduced ray tracing to the graphics community. wCombines eye ray tracing + rays to light wRecursively traces rays Algorithm: ... I¬I+ ambient + atten*(diffuse + specular) end for returnI end function. 12 Ray casting with shadows Now we’ll add shadows by casting shadow rays: 13
A Ray Tracing Solution to Diffuse Interreflection
https://floyd.lbl.gov/radiance/papers/sg88/paper.html
An efficient ray tracing method is presented for calculating interreflections between surfaces with both diffuse and specular components. A Monte Carlo technique computes the indirect contributions to illuminance at locations selected during the rendering process.
Ray Tracing (Shading)
https://www.cs.cornell.edu/courses/cs4620/2012fa/lectures/35raytracing.pdf
diffuse coefficient diffusely reflected light illumination from source v l n Q 5 L ... •Like a simple mirror surface, use recursive ray tracing •But we need two rays –One reflects off the surface (same as mirror ray) –The other crosses the surface (computed using Snell’s law)
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