Things to Know about the CG Lighting Pipeline
1. What is a BRDF ?
How does the brightness of an object relates to the intensity of a light ? What is a BRDF ? What is the brightness of an object illuminated by a distant or a dome light ?
2. 0.18, Stop and Exposure Explained
Why does the diffuse color of diffuse material is usually set to 0.18 ? Why do we measure the pixel brightness or the light intensity in terms of stop and what does it mean ?
3. Painting Textures
What brightness values should we use when we paint color maps ?