merge_headers

This routine merges two FITS headers.

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

FORMAT

call merge_headers( header1, header2 )

ARGUMENTS

name&dimensionality	kind	in/out	description
header1(LEN=80) DIMENSION(:)	CHR	IN	First header.
header2(LEN=80) DIMENSION(:)	CHR	INOUT	Second header. On output, will contain the concatenation of (in that order) header2 and header1. If header2 is too short to allow the merging the output will be truncated

EXAMPLE:

call merge_headers(header1, header2)

On output header2 will contain the original header2, followed by the content of header1

MODULES & ROUTINES

This section lists the modules and routines used by merge_headers.

write_hl

more general routine for adding a keyword to a header.

cfitsio

library for FITS file handling.

RELATED ROUTINES

This section lists the routines related to merge_headers

add_card

general purpose routine to write any keywords into a FITS file header

get_card

general purpose routine to read any keywords from a header in a FITS file.

del_card

routine to discard a keyword from a FITS header

read_par, number_of_alms

routines to read specific keywords from a header in a FITS file.

getsize_fits

function returning the size of the data set in a fits file and reading some other useful FITS keywords