Tag
energy-conservation
- Sep 17, 2026 Radiance, Irradiance, and the Units a BRDF Is Written In How solid angle separates radiance from irradiance, why a BRDF is a ratio of two different radiometric quantities, and what the resulting numbers look like for ordinary surfaces. computer graphics
- Mar 27, 2024 Layered Materials and the Fresnel Coupling Between Coats and Substrates How a clear coat sits on a base material, why the transmitted share at each interface is not simply one minus the reflected share, and how internal reflection traps light inside a layer. computer graphics