All Questions
Tagged with material raytracing
6 questions
2
votes
2
answers
86
views
Examples of anisotropic surfaces
Being faced with a design choice, I have to decide between supporting anisotropic surfaces or not in my ray tracer. Is there any common use case of this feature other than velvet (so that I may be ...
3
votes
1
answer
230
views
What is a "light source" in global illumination?
In the context of global illumination and the scattering equation, do we need to understand "light sources" as surfaces with a "purely emissive" material on which no scattering is present?
In ...
- 203
1
vote
1
answer
1k
views
How can I implement this BSDF?
I am trying to implement a path tracer, but I have some problem. The class Spectrum is color. I implemented a mirror material like this:
...
- 31
4
votes
1
answer
2k
views
Loading a material via assimp
I'm writing a raytracer and I'm using the assimp library to load objects. I have an object's material specified in a .mtl file:
...
- 353
6
votes
1
answer
1k
views
How can a diffused(frosted) glass be modelled in path tracing
How can a diffused(frosted) glass be modelled in path tracing?
Currently I am able to define a window poly line as a clear glass material where it transmits or reflects the ray. I am not clear though ...
- 750
7
votes
1
answer
2k
views
Mimicking Blender's "roughness" in my path tracer
Recently I asked a question regarding how to mix a glossy and diffuse shader in my path tracer: Mix shader looks wrong on my path tracer.
I thought it was incorrect, but a comparison between mine and ...
- 409