Physically Based Rendering, 2nd Edition

B

back-scattering, 585

balance heuristic, 691, 693

band-limited functions, 329, 330, 509

barycentric coordinates

computation, 141, 142

computation for points, 147

defined, 140

intersection point, 140

less than zero/greater than one, 142

base-2 logarithms, 1001–1002

basis functions, 927–932

advantages, 928

dual of, 930

efficiency, 928

integral of, 931

orthonormal, 928, 930–932

piecewise-constant, 928–930

projection onto, 930

SPD representation, 261

for spectral representation, 263

spherical harmonics (SH), 932

theory, 927–932

basis vectors, 55–56, 82

beam transmittance, 580–581

defined, 580

illustrated, 581

multiplicative property, 581

properties, 580–581

best-candidate algorithm, 379

best-candidate sampling pattern, 378–385

defined, 379

integrator ...