def __init__(self, flt_files=DEMO_LIST, info=None, driz_image=DEMO_IMAGE):
"""
Object for making drizzled PSFs
Parameters
----------
flt_files : list
List of FLT files that were used to create the drizzled image.
driz_image : str
Filename of the drizzled image.
"""
if info is None:
self.wcs, self.footprint = self._get_flt_wcs(flt_files)
self.flt_files = flt_files
else:
self.wcs, self.footprint = info
self.flt_files = list(self.wcs.keys())
self.ePSF = utils.EffectivePSF()
self.driz_image = driz_image
self.driz_header = pyfits.getheader(driz_image)
self.driz_wcs = pywcs.WCS(self.driz_header)
self.driz_pscale = utils.get_wcs_pscale(self.driz_wcs)
def __init__(self,
flt_files=DEMO_LIST,
info=None,
driz_image=DEMO_IMAGE,
driz_hdu=None,
beams=None):
"""
Object for making drizzled PSFs
Parameters
----------
flt_files : list
List of FLT files that were used to create the drizzled image.
driz_image : str
Filename of the drizzled image.
"""
if info is None:
if beams is not None:
info = self._get_wcs_from_beams(beams)
else:
if flt_files is None:
info = self._get_wcs_from_hdrtab(driz_image)
else:
info = self._get_flt_wcs(flt_files)
self.flt_keys, self.wcs, self.footprint = info
self.flt_files = list(np.unique([key[0] for key in self.flt_keys]))
self.ePSF = utils.EffectivePSF()
if driz_hdu is None:
self.driz_image = driz_image
self.driz_header = pyfits.getheader(driz_image)
self.driz_wcs = pywcs.WCS(self.driz_header)
self.driz_pscale = utils.get_wcs_pscale(self.driz_wcs)
else:
self.driz_image = driz_image
self.driz_header = driz_hdu.header
self.driz_wcs = pywcs.WCS(self.driz_header)
self.driz_pscale = utils.get_wcs_pscale(self.driz_wcs)
self.driz_wcs.pscale = self.driz_pscale