This a reflection model (BRDF) viewer written by students in the course 15-860. See http://www.cs.cmu.edu/afs/cs/project/classes-ph/860.96/pub/www/860.html for info on the course.

Klaas Gadeyne, a Ph,D, student in the Mechanical Engineering-Klaas Gadeyne, a Ph, D, student in the Mechanical Engineering