The Spectral Printer: From Technical Challenge To Business Case 
Shading in OpenGL CS4395: Computer Graphics 1 Mohan Sridharan Based on slides created by Edward Angel.
Illumination and Shading. Rendering Simulation of physical interaction of light and matter. Physically correct shading is too complex –Material layers.
Lighting Calcs
Fundamentals of Computer Graphics Part 6 Shading prof.ing.Václav Skala, CSc. University of West Bohemia Plzeň, Czech Republic ©2002 Prepared with Angel,E.:
