alter_alm*
call alter_alm*( nsmax, nlmax, nmmax, fwhm_arcmin, alm_TGC[, beam_file, window] )
Alters scalar and tensor a_{lm} of a map with , by multiplying them by the beam window function of a gaussian beam with FWHM = 5 arcmin.
Version 3.31, 2017-01-06