number_of_alms

This function returns the number of $a_{\ell m}$ values stored in each FITS extension in a FITS file containing $a_{\ell m}$

Location in HEALPix directory tree: src/f90/mod/fitstools.F90 


FORMAT

var=number_of_alms( filename[, extnum] )


ARGUMENTS

name & dimensionality kind in/out description
       
filename(LEN=filenamelen) CHR IN filename of the FITS-file containing $a_{\ell m}$.
extnum I4B OUT number of extensions in the file


EXAMPLE:

print*,number_of_alms('alms.fits')
Prints the number of $a_{\ell m}$ stored in each extension of the file 'alms.fits'


MODULES & ROUTINES

This section lists the modules and routines used by number_of_alms.

fitstools
module, containing:
printerror
routine for printing FITS error messages.
cfitsio
library for FITS file handling.

RELATED ROUTINES

This section lists the routines related to number_of_alms

fits2alms, read_conbintab
routines that read $a_{\ell m}$ values from FITS files.

Version 3.83, 2024-11-13