This is the command wcsware that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
wcsware - Extract FITS WCS keywords for an image
SYNOPSIS
wcsware [OPTION]... [FITSFILE]
DESCRIPTION
wcsware extracts the WCS keywords for an image from the specified FITS file, constructs
wcsprm structs for each coordinate representation found and performs a variety of
operations using them. It features a "lint" capability as one of its more useful
operations.
By default, all known extensions to the FITS WCS standard are allowed, including
deprecated usage. However, in "lint" mode, strict conformance to the standard is
enforced.
The FITS file may be specified according to the syntax understood by cfitsio, for example
"file.fits.gz+1" refers to the first extension of a gzip'd FITS file. Use "-" or omit the
file name for input from stdin.
OPTIONS
-a<alt>
Specify an alternate coordinate representation (ignored if there is only one). Can
also be specified as a 0-relative index in the range 0 to 26, where alternates are
sequenced alphabetically following the primary representation.
-b Use wcsbth() for primary image headers, normally wcspih() is used. (Implies -i.)
-f Apply wcsfix() to the header.
-h<hdu>
Move to HDU number (1-relative) which is expected to contain an image array.
Overrides cfitsio extended filename syntax. Also useful for input from stdin.
-i Allow image header WCS keywords in binary table headers.
-l Validate (lint) the WCS keyrecords in the specified FITS header for conformance to
the WCS standard. (Implies -s.)
-o Use wcshdo() to translate the wcsprm struct into a FITS header and print it.
-p Print the struct(s) using wcsprt() (default operation).
-P Same as -p but don't print a default struct.
-r Require strict adherence to the FITS WCS standard, though allowing the deprecated
AIPS-convention keywords, CROTAn, EPOCH, and VELREF, and also some other deprecated
usage. (Must follow -l if relaxed linting is required.)
-s Require strict adherence to the FITS WCS standard, disallowing all deprecated
features.
-t Terse (with -l), report rejected WCS keyrecords only.
-v Verbose (with -l), report recognised WCS keyrecords as well.
-w Convert world coordinates, obtained from stdin, to pixel coordinates using
wcss2p().
-x Convert pixel coordinates, obtained from stdin, to world coordinates using
wcsp2s().
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