getnumext_fits

This routine returns the number of extensions present in a given FITS file.

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

FORMAT

var=getnumext_fits( filename )

ARGUMENTS

name & dimensionality	kind	in/out	description
var	I4B	OUT	number of extensions in the FITS file (excluding the primary unit). According to the current format, HEALPix files have at least one extension.
filename(LEN=filenamelen)	CHR	IN	filename of the FITS file.

EXAMPLE:

next = getnumext_fits('map.fits')

Returns in next the number of extensions present in the FITS file 'map.fits'.

MODULES & ROUTINES

This section lists the modules and routines used by getnumext_fits.

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 getnumext_fits

getsize_fits

routine returning the number of data points in a FITS file, as well as much more information on the file.

input_map

routine to read a HEALPix FITS file