Energy Conservation

Computer Graphics · Foundations · energy-conservation.yaml

A surface may not reflect more energy than it receives. Violating it makes multi-bounce renders diverge into brightness rather than settle.

Colour is the family; a dashed line is the second member of it.

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G bsdf BSDF energy-conservation Energy Conservation energy-conservation->bsdf the BSDF integrated over the sphere must not exceed 1 white-furnace-test White Furnace Test white-furnace-test->energy-conservation a lossless material must vanish into a uniform background

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