Chapter 11
Global Illumination
“If it looks like computer graphics, it is not good computer graphics.”
—Jeremy Birn
Radiance is the final quantity computed by the rendering process. So far, we have been using the reflectance equation to compute it:
(11.1)
where is the outgoing radiance from the surface location in the view direction , is the hemisphere of directions above , is the BRDF evaluated for and the current incoming direction , is the incoming radiance into from , and is the dot product between and ...
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