mHdrCheck - Online in the Cloud

PROGRAM:

NAME

mHdrCheck - Check the validity of a FITS image's header

SYNOPSIS

mHdrCheck [-s statusfile] img.fits

DESCRIPTION

mHdrCheck reads in the header from a FITS image (or an ASCII header template file) and
checks to see if any header lines are invalid. If it finds one, it will print out a
message stating which keyword is invalid and exit before checking the rest of the header.
It will not report on multiple invalid values. If all value are correct, mHdrCheck will
print out a "Valid FITS/WCS" message.

OPTIONS

-s statusfile
Output and errors are sent to statusfile instead of to stdout

ARGUMENTS

img.fits
Path of FITS file to be validated.

MESSAGES

OK Valid WCS in FITS file.

OK Valid FITS/WCS in header file.

ERROR Cannot open status file statusfile

ERROR File filename not found.

ERROR File (filename) is not a FITS image

ERROR FITS header lines cannot be greater than 80 characters

ERROR No BITPIX keyword in FITS header

ERROR No NAXIS keyword in FITS header

ERROR No NAXIS1 keyword in FITS header

ERROR No NAXIS2 keyword in FITS header

ERROR No CTYPE1 keyword in FITS header

ERROR No CTYPE2 keyword in FITS header

ERROR No CRPIX1 keyword in FITS header

ERROR No CRPIX2 keyword in FITS header

ERROR No CRVAL1 keyword in FITS header

ERROR No CRVAL2 keyword in FITS header

ERROR No CDELT1 keyword (or incomplete CD matrix) in FITS header

ERROR No CDELT2 keyword (or incomplete CD matrix) in FITS header

ERROR BITPIX keyword in FITS header not an integer

ERROR Invalid BITPIX in FITS header (must be 8,16,32,64,-32 or -64)

ERROR NAXIS keyword in FITS header not an integer

ERROR NAXIS keyword in FITS header must be >= 2

ERROR NAXIS1 keyword in FITS header not an integer

ERROR NAXIS1 keyword in FITS header must be > 0

ERROR NAXIS2 keyword in FITS header not an integer

ERROR NAXIS2 keyword in FITS header must be > 0

ERROR CRPIX1 keyword in FITS header not a real number

ERROR CRPIX2 keyword in FITS header not a real number

ERROR CRVAL1 keyword in FITS header not a real number

ERROR CRVAL2 keyword in FITS header not a real number

ERROR CDELT1 keyword in FITS header not a real number

ERROR CDELT2 keyword in FITS header not a real number

ERROR CROTA2 keyword in FITS header not a real number

ERROR CD1_1 keyword in FITS header not a real number

ERROR CD1_2 keyword in FITS header not a real number

ERROR CD2_1 keyword in FITS header not a real number

ERROR CD2_2 keyword in FITS header not a real number

ERROR EQUINOX keyword in FITS header not a real number

ERROR No WCS information (or not FITS header)

ERROR Must have at least two dimensions

ERROR Invalid projection

ERROR Invalid NAXIS1

ERROR Invalid NAXIS2

ERROR CTYPE1 and CTYPE2 don't match

ERROR Invalid CTYPE1

ERROR Invalid CD matrix

ERROR Invalid CDELT1

ERROR Invalid CDELT2

ERROR FITS library error

EXAMPLES

$ mHdrCheck input/badfits/bad-crota2.fits
[struct stat="ERROR", msg="CROTA2 keyword in FITS header not a real number"]

$ mHdrCheck input/2mass.fits
[struct stat="OK", msg="Valid FITS/WCS."]

$ mHdrCheck input/badfits/bad-ctype.fits

[struct stat="ERROR", msg="Invalid projection"]

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