Lecture 13 - Radiosity I

# Lecture 13 radiosity i

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Unformatted text preview: Interactive Computer Graphics:   Lecture 13 " Radiosity ! Graphics Lecture 13: Slide 2! Graphics Lecture 13: Slide 3! The reﬂectance equation The reﬂectance equation The reﬂectance equation" NB. updated slides and notes! NB. updated slides and notes! Recall reﬂectance equation: models reﬂected light from a a Recall the reﬂectance equation: models light from Recall• thethe reﬂectance equation: models reﬂected reﬂected light surface: surface:from a surface: ! Iref lected k +ak (n · n ·Il) Iincidentk (rs ·(v)qv)q Iincident Iref!lected = = k + kd ( l) incident + + k r · Iincident a s d Iincident : Incident light intensity Iincident : Incident light intensity k{a,d,s} control amounts of: k{a,d,s} control amounts of: I k : ambient light I ka : a ambient light I k : di↵use reﬂection I kd : d ↵use reﬂection di I ks , q : specular reﬂection I ks , q : specular reﬂection Graphics Lecture 13: Slide 4! . 2./ 29 2 / 29 The reﬂectance equation The reﬂectance equation The reﬂectance equation" NB. updated slides and notes! NB. updated slides and notes! Recall reﬂectance equation: models reﬂected light from a a Recall the reﬂectance equation: models light from Recall• thethe reﬂectance equation: models reﬂected reﬂected light surface: surface:from a surface: ! Iref lected k +ak (n · n ·Il) Iincidentk (rs ·(v)qv)q Iincident Iref lected = = k + kd ( l) incident + + k r · Iincident a s d •  Iincident: light intensity ! Iincident : Incident light intensity Iincident : Incident light intensity k{a,d,s} control amounts of: k{a,d,s} control amounts of: I k : ambient light I ka : a ambient light I k : di↵use reﬂection I kd : d ↵use reﬂection di I ks , q : specular reﬂection I ks , q : specular reﬂection Graphics Lecture 13: Slide 5! . 2./ 29 2 / 29 The reﬂectance equation The reﬂectance equation The reﬂectance equation" NB. updated slides and notes! NB. updated slides and notes! Recall reﬂectance equation: models reﬂected light from a a Recall the r...
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