Cover image for Cloth modeling and animation
Title:
Cloth modeling and animation
Publication Information:
Natick, MA : A K Peters, 2000
ISBN:
9781568810904

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30000004803254 TR897.7 C58 2000 Open Access Book Book
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30000004803411 TR897.7 C58 2000 Open Access Book Book
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Summary

Summary

Written by leaders in the field of computer clothing design and simulation, Cloth Modeling and Animation is a vital resource for researchers and developers of cloth simulation software as well as computer animators and graphics programmers. Readers will learn about cloth's nature and structure, scientific approaches to understanding its behavior and look, and the latest modeling and simulation techniques for automatically animating cloth on the computer.


Table of Contents

1 Woven Fabricsp. 1
1.1 Introductionp. 1
1.2 Choicesp. 4
1.3 Conclusionp. 17
2 A Survey of Cloth Modeling Methodsp. 19
2.1 Contributions of the Textile Communityp. 20
2.2 Contributions of the Computer Graphics Communityp. 35
3 Particle Representation of Woven Fabricsp. 55
3.1 Introductionp. 55
3.2 Modeling Drape with Particlesp. 57
3.3 Modeling a Variety of Cloth Typesp. 62
3.4 Extending the Drape Model to Include Dynamicsp. 69
3.5 Conclusionp. 76
4 Continuum versus Particle Representationsp. 79
4.1 Introductionp. 79
4.2 Finite-Element Continuum Modeling of Clothp. 79
4.3 Particle Modeling of Clothp. 92
4.4 Results: Comparing Finite Element and Particle Methodsp. 100
4.5 Clothing Drape Resultsp. 107
4.6 Conclusionsp. 107
4.8 Appendix--Details of the Nonlinear Shell Theoryp. 107
5 Knit Fabricsp. 123
5.1 Introductionp. 123
5.2 Representation of Knit Fabricsp. 124
5.3 The Draping of Fabricsp. 133
6 Rapid Dynamic Simulationp. 145
6.1 Introductionp. 145
6.2 Simulation Overviewp. 149
6.3 Implicit Integrationp. 152
6.4 Forcesp. 153
6.5 Constraintsp. 158
6.6 Implementationp. 162
6.7 Collisionsp. 165
6.8 Adaptive Time-Steppingp. 168
6.9 Resultsp. 169
7 Aerodynamic Effectsp. 175
7.1 Introductionp. 175
7.2 Distributed-Force Model for the Coth-Animation Problemp. 176
7.3 Two-Dimensional Implementation of the Panel Methodp. 178
7.4 Three-Dimensional Implementation of the Panel Methodp. 181
7.5 Effect of a Solid Object in the Vicinity of the Clothp. 182
7.6 Wind Model and Simulationp. 186
7.7 Implementationp. 189
7.8 Conclusionsp. 190
7.9 Appendix: Vortex Singularities and their Induced Velocityp. 191
8 Collision Detection in Cloth Modelingp. 197
8.1 Introductionp. 197
8.2 Overviewp. 198
8.3 The Collision Algorithmp. 199
8.4 Run-Time Algorithm Pathp. 214
8.5 Results and Conclusionsp. 214
9 Interactive Animation of Cloth-Like Objects for Virtual Realityp. 219
9.1 Introductionp. 219
9.2 Implicit Integration: 1D Casep. 221
9.3 An Extension to 2D and 3Dp. 227
9.4 Post-Step Constraint Enforcementp. 230
9.5 Animation Algorithmp. 232
9.6 Resultsp. 233
9.7 Conclusion and Discussionp. 236
10 From Structure to Reflectancep. 241
10.1 Scalep. 243
10.2 Bidirectional Reflectance Distribution Functionp. 245
10.3 Distribution of Normalsp. 248
10.4 Modeling Distributions of Normalsp. 250
10.5 Multiple Surfacesp. 258
10.6 Shadowing and Maskingp. 261
10.7 Summaryp. 265
11 A Volumetric Appearance Modelp. 269
11.1 Introductionp. 269
11.2 Simple Knitted Fabric Patternsp. 270
11.3 Modeling of the Yarn Micro-structurep. 273
11.4 Efficient Rendering of Knitted Fabricsp. 276
11.5 Examples of Yarns and Patternsp. 278
11.6 Summaryp. 283
12 A Costume Designer and Animator's Perspectivep. 287
12.1 Backgroundp. 288
12.2 Factors Affecting Drape and Movementp. 292
12.3 The Complexity of Garmentsp. 295
12.4 The Costume Design Processp. 302
12.5 Digital Clothp. 306
13 Clothing in Disney's "FANTASIA 2000"p. 309
13.1 Introductionp. 309
13.2 The Problemp. 311
13.3 The Modelp. 311
13.4 Animation and Deformationp. 314
13.5 Post-Simulation Processesp. 323
13.6 Implementationp. 324
13.7 Conclusionp. 325
14 Conclusionp. 327
14.1 CG Cloth Goes Hollywoodp. 328
14.2 A Holy Grail?p. 332
14.3 Research Directionsp. 334
14.4 Postludep. 336