Lecture 11: Radiometry and Photometry (40)
gavinmak

We don't look at irradiance from below the hemisphere for this case, but is there any case where you're modeling a transparent film and would want to include the bottom hemisphere?

SourMongoose

For a semi-transparent area, you'd likely take the incoming light from the upper hemisphere and add it to light from the lower hemisphere mutliplied by some constant depending on material.

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