HomogeneousUserDefined BRDF

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Aug 20, 2021, 2:59:41 PM8/20/21

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I am trying to use the HomogeneousUserDefined class as Surface BRDF but I am faced with some questions about this class:

1.what is the reflectance table in parameters? Does it necessary to be in 10 by 13 size?

what is the difference between the reflectance table (3 and 4) and the observation reflectance (1)??

another question is how we can obtain albedo??

Thank you very much

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