Bidirectional scattering distribution function: Difference between revisions

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|doi=10.1117/12.959611
|year=1980}}
</ref> Most often it is used to name the general mathematical function which describes the way in which the light is scattered by a surface. However, in practice this phenomenon is usually split into the reflected and transmitted components, which are then treated separately as '''BRDF''' ('''[[bidirectional reflectance distribution function]]''') and '''BTDF''' ('''bidirectional transmittance distribution function''').
 
[[Image:BSDF05 800.png|thumb|right|280px|BSDF: BRDF + BTDF]]