def create_imaging_wcs():
hdul = create_hdul()
image = ImageModel(hdul)
ref = get_reference_files(image)
pipeline = nircam.create_pipeline(image, ref)
wcsobj = wcs.WCS(pipeline)
return wcsobj
def create_wfss_wcs(pupil, filtername='F444W'):
"""Help create WFSS GWCS object."""
hdul = create_hdul(exptype='NRC_WFSS', filtername=filtername, pupil=pupil)
im = ImageModel(hdul)
ref = get_reference_files(im)
pipeline = nircam.create_pipeline(im, ref)
wcsobj = wcs.WCS(pipeline)
return wcsobj
def create_tso_wcs(filtername=tsgrism_filters[0], subarray="SUBGRISM256"):
"""Help create tsgrism GWCS object."""
hdul = create_hdul(exptype='NRC_TSGRISM', pupil='GRISMR',
filtername=filtername, detector='NRCALONG',
subarray=subarray, wcskeys=wcs_tso_kw)
im = CubeModel(hdul)
ref = get_reference_files(im)
pipeline = nircam.create_pipeline(im, ref)
wcsobj = wcs.WCS(pipeline)
return wcsobj