healpy.pixelfunc
pix2ang pix2vec ang2pix vec2pix vec2ang ang2vec get_all_neighbours get_interp_weights get_interp_val
nest2ring ring2nest reorder
nside2npix npix2nside nside2order order2nside nside2resol nside2pixarea max_pixrad isnsideok isnpixok get_map_size get_min_valid_nside get_nside maptype ud_grade
UNSEEN mask_bad mask_good ma
fit_dipole fit_monopole remove_dipole remove_monopole get_interp_val