healpy.sphtfunc.Alm

class healpy.sphtfunc.Alm

This class provides some static methods for alm index computation.

Methods

getlm(lmax[, i])	Get the l and m from index and lmax.
getidx(lmax, l, m)	Returns index corresponding to (l,m) in an array describing alm up to lmax.
getsize(lmax[, mmax])	Returns the size of the array needed to store alm up to lmax and mmax
getlmax(s[, mmax])	Returns the lmax corresponding to a given array size.