FXBPARSE
Name
FXBPARSE
Purpose
Parse the binary table extension header.
Explanation
Parses the binary table extension header, and store the information
about the format of the binary table in the FXBINTABLE common
block--called from FXBCREATE and FXBOPEN.
Use
FXBPARSE, ILUN, UNIT, HEADER
Inputs
ILUN = Index into the arrays in the FXBINTABLE common block.
HEADER = FITS binary table extension header.
Opt. Inputs :
None.
Outputs
None.
Opt. Outputs:
None.
Keywords
NO_TDIM = If set, then any TDIMn keywords found in the header are
ignored.
ERRMSG = If defined and passed, then any error messages will be
returned to the user in this parameter rather than
depending on the MESSAGE routine in IDL. If no errors are
encountered, then a null string is returned. In order to
use this feature, ERRMSG must be defined first, e.g.
ERRMSG = ''
FXBPARSE, ERRMSG=ERRMSG, ...
IF ERRMSG NE '' THEN ...
Calls
FXBFIND, FXBTDIM, FXBTFORM, FXPAR
Common :
Uses common block FXBINTABLE--see "fxbintable.pro" for more
information.
Restrictions
None.
Side Effects
Any TDIMn keywords found for bit arrays (format 'X') are ignored, since
the dimensions would refer to bits, not bytes.
Category
Data Handling, I/O, FITS, Generic.
Prev. Hist. :
William Thompson, Feb. 1992.
William Thompson, Jan. 1993, modified for renamed FXBTFORM and FXBTDIM.
Written :
William Thompson, GSFC, February 1992.
Modified :
Version 1, William Thompson, GSFC, 12 April 1993.
Incorporated into CDS library.
Version 2, William Thompson, GSFC, 21 June 1994
Added ERRMSG keyword.
Version 3, William Thompson, GSFC, 23 June 1994
Modified so that ERRMSG is not touched if not defined.
Version 4, Michael Schubnell, University of Michigan, 22 May 1996
Change N_DIMS from short to long integer.
Version 5, W. Landsman, GSFC, 12 Aug 1997
Use double complex datatype, if needed
Version 6, W. Landsman GSFC 30 Aug 1997
Optimized FXPAR; call FXBFIND for speed, CM 1999 Nov 18
Modify DHEAP(ILUN) when opening table now, CM 2000 Feb 22
Default the TZERO/TSCAL tables to double instead of single
precision floating point, CM 2003 Nov 23
Make NAXIS1 and NAXIS2 64-bit integers to deal with large files,
E. Hivon Mar 2008
Remove use of Obsolete !ERR system variable
Version
Version 8 April 2010