The science of spherical harmonics at Weta DigitalThe science of spherical harmonics at Weta Digital Posted by Mike Seymour ON April 25, 2013 Spherical Harmonics are an invaluable tool for production rendering, and also a common device used in games, but few really understand them and how they are used. Spherical Harmonics (SH) are a data representation, nothing more. But like a Fourier transform, the SH data transformation has been allowing incr
