2014-03-09 Link collection of Sky Visibility BIB CG GAME_GFX "Sky visibility as 4 transfer basis directions" at FarCry3. GDC 2013 http://www.gdcvault.com/play/1015326/Deferred-Radiance-Transfer-Volumes-Global "The science of Spherical Harmonics at Weta Digital" Mike Seymour @ fxguide https://www.fxguide.com/featured/the-science-of-spherical-harmonics-at-weta-digital/ "Lighting you up in Battlefield 3" GDC 2011 http://dice.se/wp-content/uploads/GDC11_LightingYouUpInBattlefield3.pdf