POVRAY (POV### [at] aolcom) wrote:
: This alone doesn't take into account the incident angle of the light,
I wonder why the illumination of an object depends on the incident
angle of the light in real world. I just can't figure it. Has this
something to do with the amount of light per area unit of the surface?
How is light amount measured? I think there was a measure unit for this.
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- Warp. -
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