iv Contents
3.1 Basic Shape Interface 63
3.2 Spheres 68
3.3 Cylinders 78
3.4 Disks 82
3.5 Other Quadrics 85
3.6 Triangles and Meshes 87
3.7 ***ADV***: Subdivision Surfaces 98
4 Primitives and Intersection Acceleration 129
4.1 Geometric Primitives 130
4.2 Aggregates 135
4.3 Grid Accelerator 138
4.4 Kd-Tree Accelerator 152
5 Color and Radiometry 177
5.1 Spectral Representation 177
5.2 Basic Radiometry 185
5.3 Working with Radiometric Integrals 190
5.4 Surface Reflection 194
6 Camera Models 201
6.1 Camera Model 201
6.2 Projective Camera Models 205
6.3 Environment Camera 217
7 Sampling and Reconstruction 221
7.1 Fourier Theory 222
7.2 Sampling Theory 225
7.3 Image Sampling Interface 236
7.4 Stratified Sampling 242
7.5 ***ADV***: Low-Discrepancy Sequences 252
7.6 ***ADV***: Best-Candidate Sampling Patterns 265
7.7 Image Reconstruction 279
8 Film and the Imaging Pipeline 293
8.1 Film Interface 294
8.2 Image Film 295
8.3 ***ADV***: Perceptual Issues and Tone Mapping 303
8.4 Device RGB Conversion and Output 322
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