文档介绍：SIMULA TING HUMANS: COMPUTER
GRAPHICS, ANIMA TION, AND CONTR OL
Norman I. Badler
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Cary B. Phillips
Bonnie L. W ebb er
Departmen t puter and Information Science
Univ ersit yofP ennsylv ania
Philadelphia, P A 19104-638 9
Oxford Univ ersit y Press
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1992 Norman I Badler, Cary B. Phillips, Bonnie L. W ebb er
Marc h 25, 1999
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Curren t address: P aci c Data Images, 1111 Karlstad Dr., Sunn yv ale, CA 94089.
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T o Ginny, Denise, and Mark
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Con ten ts
1 In tro duction and Historical Bac kground 1
Wh y Mak e Human Figure Mo dels? :::: ::: :::: ::: :: 4
Historical Ro ots : ::: :::: ::: :::: ::: :::: ::: :: 7
What is Curren tly P ossible? : ::: :::: ::: :::: ::: :: 11
A Human Mo del m ust b e Structured Lik e the Human
Sk eletal System :::: ::: :::: ::: :::: ::: :: 12
A Human Mo del should Mo v e or Resp ond Lik e a Human 12
A Human Mo del should b e Sized According to P ermis-
sible Human Dimensions :: :::: ::: :::: ::: :: 14
A Human Mo del should ha v e a Human-Lik e App earance 15
A Human Mo del m ust Exist, W ork, Act and React
Within a 3D Virtual En vironmen t ::: :::: ::: :: 15
Use puter to Analyze Syn thetic Beha viors ::: 16
An In teractiv e Soft w are T ool m ust b e Designed for Us-
abilit y :: ::: :::: ::: :::: ::: :::: ::: :: 18
Manipulation, Animation, and Sim ulation ::: :::: ::: :: 19
What Did W e Lea v e Out? :: ::: :::: ::: :::: ::: :: 20
2 Bo dy Mo deling 23
Geometric Bo dy Mo deling :: ::: :::: ::: :::: ::: :: 23
Surface and Boundary Mo dels ::: ::: :::: ::: :: 23
V olume and CSG Mo dels : :::: ::: :::: ::: :: 25
The Principal Bo dy Mo dels Used : ::: :::: ::: :: 27
Represen ting Articulated Figures : :::: ::: :::: ::: :: 28
Bac kground :: :::: ::: :::: ::: :::: ::: :: 29
The T erminology of P eabody ::: ::: :::: ::: :: 30
The P eab o dy Hierarc h y :: :::: ::: :::: :::