So I believe L^1 is light from light source, L^2 is direct light, L^3 is indirect light with path length = 3, etc... Is this correct?
@pavelkang: Yes.
So I believe L^1 is light from light source, L^2 is direct light, L^3 is indirect light with path length = 3, etc... Is this correct?
@pavelkang: Yes.