07hyx06 / SphericalHarmonics

Compute the spherical harmonic representation of a given environment map

Spherical Harmonics Representation of Environment Lighting

Compute the Spherical Harmonics(SH) coefficients and representation of given environment map. For details of SH, please refer to:

• Spherical Harmonics
• Spherical Harmonics Lighting

Demo

Original environment map:

Degree 4:

Degree 11:

Degree 21:

Degree 51: