How exactly do graphics programmers determine these reflection functions for various materials? Is there a process by which these functions can be measured?
tcl1
Maybe shoot light of different wavelengths at it from different angles and record the light field with one of those light field detectors?
How exactly do graphics programmers determine these reflection functions for various materials? Is there a process by which these functions can be measured?
Maybe shoot light of different wavelengths at it from different angles and record the light field with one of those light field detectors?