Physical Sky in PBRT

Turbidity 3.0
Time      6:00AM
Longitude 0
Latitude  20
Julian Day 120

Note: Aerial perspective is not supported now. No extra gamma correction applied.


 
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Update: Added Sunlight as a second light source.

Gamma 1.0


Gamma 2.2


Update: Sunlight is too bright with the same scaling as the skylight. I use a larger scaling factor to get the following image

还是用建筑物来表现太阳光效果好些