🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiTürkçeРусскийالعربية한국어中文日本語EntityQ856980· pop 18· linked from 47 articlesbidirectional reflectance distribution functionAlso known as BRDFfunction of four real variables that defines how light is reflected at an opaque surfaceAvailable in 17 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoالعربيةConnectionsspecular highlightEntitynormalEntityCategories3D renderingConcepts in astrophysicsOpticsRadiometryRemote sensing