fitsfunc – FITS file related functions

Reading/writing maps

read_map(filename[, field, dtype, nest, …])	Read a healpix map from a fits file.
write_map(filename, m[, nest, dtype, …])	Writes a healpix map into a healpix FITS file.

Reading/writing alm

read_alm(filename[, hdu, return_mmax])	Read alm from a fits file.
write_alm(filename, alms[, out_dtype, lmax, …])	Write alms to a fits file.

Reading/writing cl

read_cl(filename)	Reads Cl from a healpix file, as IDL fits2cl.
write_cl(filename, cl[, dtype, overwrite])	Writes Cl into a healpix file, as IDL cl2fits.

Helper

getformat(t)

Get the FITS convention format string of data type t.