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from __future__ import division # confidence high
from altwcs import *
from hstwcs import HSTWCS
__docformat__ = 'restructuredtext'
__version__ = '0.8'
def help():
print 'How to create an HSTWCS object:\n\n'
print """ \
1. Using a pyfits HDUList object and an extension number \n
Example:\n
fobj = pyfits.open('some_file.fits')\n
w = wcsutil.HSTWCS(fobj, 3)\n\n
2. Create an HSTWCS object using a qualified file name. \n
Example:\n
w = wcsutil.HSTWCS('j9irw4b1q_flt.fits[sci,1]')\n\n
3. Create an HSTWCS object using a file name and an extension number. \n
Example:\n
w = wcsutil.HSTWCS('j9irw4b1q_flt.fits', ext=2)\n\n
4. Create a template HSTWCS object for a DEFAULT object.\n
Example:\n
w = wcsutil.HSTWCS(instrument='DEFAULT')\n\n
"""
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