04/10/2003
15-462 Graphics I
3
Radiosity Equation
•For
each patch i:
•Variables
–Bi = radiosity (unknown)
–Ei = emittance of light sources (given)
– ri = reflectance (given)
–Fi j = form factor from i to j (computed)
fraction of light emitted from patch i
arriving at patch j
–Ai = area of patch i (computed)
