real spherical harmonics in Cartesian, projection to spherical harmonics, cos+ (clamped cosine), rotation of zonal spherical functions, dodecahedron triangle fan, icosahedron triangle strip, Monte-Carlo method
real spherical harmonics in Cartesian, projection to spherical harmonics, cos+ (clamped cosine), rotation of zonal spherical functions, dodecahedron triangle fan, icosahedron triangle strip, Monte-Carlo method