REFLECTANCE
2019-06-21 12:32:08.0 [sritz] Insert Concept add broader relation (BIDIRECTIONAL REFLECTANCE DISTRIBUTION FUNCTION [2dce1d90-f958-4e96-b8d8-c8b0bc69d16e,368899] - REFLECTANCE [00a21e9c-0c1d-4931-b9fa-b0204625a98a,368895]);
BIDIRECTIONAL REFLECTANCE DISTRIBUTION FUNCTION
The bidirectional reflectance distribution function (BRDF) is a function of four variables and defines how light is reflected at an opaque surface, such as snow or ice.