healpy.pixelfunc.get_min_valid_nside

healpy.pixelfunc.get_min_valid_nside(npix)

Returns the minimum acceptable nside so that npix <= nside2npix(nside).

Parameters:
npixint

a minimal number of pixel

Returns:
nsideint

a valid healpix nside so that 12 * nside ** 2 >= npix

Examples

>>> import healpy as hp
>>> hp.pixelfunc.get_min_valid_nside(355)
8
>>> hp.pixelfunc.get_min_valid_nside(768)
8