▁for ▁use ▁in ▁ill um ination ▁comput ations . ▁Masters ▁th esis . ▁Corn ell ▁University . ▁I th aca , ▁New ▁York , ▁USA . ▁Le voy , ▁Marc ▁& ▁Han ra han , ▁Pat . ▁ 1 9 9 6 . ▁Light ▁field ▁rendering . ▁In ▁Pro ceed ings ▁of ▁the ▁ 2 3 rd ▁annual ▁conference ▁on ▁Computer ▁graphics ▁and ▁interactive ▁techniques . ▁ ▁Mc All ister , ▁David . ▁ 2 0 0 2 . ▁A ▁General ized ▁Sur face ▁App earance ▁Represent ation ▁for ▁Computer ▁Graphics . ▁Ph D ▁dis sert ation . ▁University ▁of ▁North ▁Carolina ▁at ▁Chap el ▁Hill , ▁Department ▁of ▁Computer ▁Science . ▁Chap el ▁Hill , ▁USA . ▁ 1 1 8 p . ▁ ▁Category : Comput er ▁graphics ▁Category : Ph ot ometry ▁Category : Me as uring ▁instruments <0x0A> </s> ▁Sir ▁Robert ▁Fitz E ust ace ▁ ▁( c . 1 4 2 0 – 1 4 8 6 ) ▁was ▁an ▁Irish ▁land owner ▁and ▁politician ▁of ▁the ▁fif teenth ▁century . ▁ ▁He ▁was ▁born ▁at ▁C og hl anst own , ▁County ▁K ild are , ▁son ▁of ▁Sir ▁Richard ▁Fitz E ust ace , ▁who ▁served ▁ ▁briefly ▁ ▁as ▁Lord ▁Chan cell or ▁of ▁Ireland , ▁and ▁K atherine ▁Pr eston . ▁Row land ▁Fitz E ust ace , ▁ 1 st ▁Baron ▁Port l ester ▁was ▁his ▁cousin ; ▁Row land ▁was ▁probably ▁ ▁the ▁dominant ▁Irish ▁states man ▁of ▁his ▁time , ▁and