Questions tagged [scattering]
The scattering tag has no usage guidance.
5
questions
3
votes
0answers
80 views
Predicting reflectance functions from complex surfaces
There are three principal ways to obtain a BRDF. We can
Derive an analytic formula using physical principles
Use simulation given an assumed or measured model of the surface
microgeometry
Measure the ...
1
vote
0answers
94 views
Adding Ozone to my sky simulation
I implemented a simulation for the colour of the sky a while ago by following the scratch a pixel tutorial: https://www.scratchapixel.com/lessons/procedural-generation-virtual-worlds/simulating-sky
I ...
8
votes
1answer
421 views
How does Smith multiple scattering interact with diffuse subsurface scattering?
The Multiple Scattering Microfacet BSDFs with the Smith Model paper describes a statistical model for replacing the masking-shadowing functions in microfacet BSDFs (which account for paths with more ...
14
votes
1answer
9k views
Radiosity VS Ray tracing
Radiosity is basically what allows this:
In a tutorial of Cornell University about Radiosity it is mentioned that:
A ray-traced version of the image shows only the light reaching the viewer by ...
11
votes
1answer
339 views
Volumetric rendering fundamental concepts and terminology
Literature on rendering volumetric materials and effects tends to use a lot of mathematical physics terminology. Let's say that I have a decent handle on the concepts involved in surface rendering. ...