Illustrative Rendering in

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Ambient Cube• Grounds characters in game worlds• Pre-compute irradiance samplesthroughout the environment• Variable density irradiance volume[Greger98] where each sampledefines an irradiance environmentmap [Ramamoorthi01]• Directional ambient term whichincludes only indirect light• Lights beyond the first four can beadded to the ambient cube• Used in a novel way in rim lighting,which we’ll discuss in a momentDirectional AmbientConstant Ambient© 2007 Valve Corporation. All Rights Reserved.
L∑i=1View-dependent Terms[ c k max( f ( vˆ⋅ rˆ) kf k ( v r ) )] spec, ˆ ⋅ ˆk rim+ ( nˆ⋅uˆ) f k a( vˆ)issirrirr© 2007 Valve Corporation. All Rights Reserved.
Page 1 and 2: IllustrativeRendering inTeam Fortre
Page 3 and 4: Team Fortress 2• Class-based mult
Page 5 and 6: Contrasting Team Properties• Red
Page 7 and 8: Red base in 2fort map© 2007 Valve
Page 9 and 10: Miyazaki - Brush Width Foreshortene
Page 11 and 12: © 2007 Valve Corporation. All Righ
Page 13 and 14: Gooch, 1998• Hue and luminance sh
Page 15 and 16: Barla, 2006• Barla has extended t
Page 17 and 18: Rim HighlightsRed TerminatorJ.C. Le
Page 19 and 20: Engineer Concept© 2007 Valve Corpo
Page 21 and 22: Rim Highlighting: After© 2007 Valv
Page 23 and 24: Character Lighting EquationView ind
Page 25 and 26: kdView Independent Terms⎡⎢a⎣L
Page 31: kdView Independent Terms⎡⎢a⎣L
Page 35 and 36: L∑i=1View-dependent Terms[ c k ma
Page 51 and 52: Future Work• More flexible specul
Page 57: Conclusion• Motivations and relat

Illustrative Rendering in

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