Spherical Harmonics Transforms

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map2alm(map, lmax, mmax, nthreads, zbounds)

Computes alms from a temperature map.

map2alm_spin(map, spin, lmax, mmax, …)

Computes alms from a temperature map.

alm2map(alm, nside, lmax, mmax, nthreads, …)

Computes a Healpix temperature map from alm.

alm2map_spin(alm, spin, nside, lmax, mmax, …)

Computes a Healpix polarisation map from alm.

healpix_geometry(nside, stride)

Creates a HEALPix geometry given the nside.