Light and shadows
From CGAFaq
See also Ray tracing for shadow ray stuff.
IES stuff, Ashdown's parser and data
Spotlight model
Form factor and computing irradiance from unoccluded light source
- Environment mapping
- What is environment mapping?
- What are common representations for environment maps?
- How do you convert from one environment map representation to another?
- How are environment maps used for specular reflections?
- What are irradiance maps? How do you compute them efficiently?
- What are glossy reflection maps? How do you compute them efficiently?
- What is HDRI?
- How do you acquire environment maps of real-world environments?
