Lecture Notes: Hierarchical Radiosity
نویسنده
چکیده
Considering two large surfaces far away from each other, it is clear that if each surface is subdivided into k elements, then computing k2 form factors to represent the exchange of energy between the two surfaces is an overkill. While the energy arriving at a surface must be represented accurately using many elements, when the surface is functioning as a light source, the variations in energy between the element can often be replaced by their average value.
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تاریخ انتشار 2004