def from_hdulist(cls, hdulist, name=""):
"""Create map dataset from list of HDUs.
Parameters
----------
hdulist : `~astropy.io.fits.HDUList`
List of HDUs.
Returns
-------
dataset : `MapDataset`
Map dataset.
"""
kwargs = {"name": name}
if "COUNTS" in hdulist:
kwargs["counts"] = Map.from_hdulist(hdulist, hdu="counts")
if "EXPOSURE" in hdulist:
kwargs["exposure"] = Map.from_hdulist(hdulist, hdu="exposure")
if "BACKGROUND" in hdulist:
background_map = Map.from_hdulist(hdulist, hdu="background")
kwargs["background_model"] = BackgroundModel(background_map)
if "EDISP_MATRIX" in hdulist:
kwargs["edisp"] = EnergyDispersion.from_hdulist(
hdulist, hdu1="EDISP_MATRIX", hdu2="EDISP_MATRIX_EBOUNDS"
)
if "EDISP" in hdulist:
edisp_map = Map.from_hdulist(hdulist, hdu="edisp")
exposure_map = Map.from_hdulist(hdulist, hdu="edisp_exposure")
kwargs["edisp"] = EDispMap(edisp_map, exposure_map)
if "PSF_KERNEL" in hdulist:
psf_map = Map.from_hdulist(hdulist, hdu="psf_kernel")
kwargs["psf"] = PSFKernel(psf_map)
if "PSF" in hdulist:
psf_map = Map.from_hdulist(hdulist, hdu="psf")
exposure_map = Map.from_hdulist(hdulist, hdu="psf_exposure")
kwargs["psf"] = PSFMap(psf_map, exposure_map)
if "MASK_SAFE" in hdulist:
mask_safe = Map.from_hdulist(hdulist, hdu="mask_safe")
mask_safe.data = mask_safe.data.astype(bool)
kwargs["mask_safe"] = mask_safe
if "MASK_FIT" in hdulist:
mask_fit = Map.from_hdulist(hdulist, hdu="mask_fit")
mask_fit.data = mask_fit.data.astype(bool)
kwargs["mask_fit"] = mask_fit
if "GTI" in hdulist:
gti = GTI(Table.read(hdulist, hdu="GTI"))
kwargs["gti"] = gti
return cls(**kwargs)
def from_hdulist(cls, hdulist, name=""):
"""Create map dataset from list of HDUs.
Parameters
----------
hdulist : `~astropy.io.fits.HDUList`
List of HDUs.
Returns
-------
dataset : `MapDataset`
Map dataset.
"""
init_kwargs = {}
init_kwargs["name"] = name
if "COUNTS" in hdulist:
init_kwargs["counts"] = Map.from_hdulist(hdulist, hdu="counts")
if "COUNTS_OFF" in hdulist:
init_kwargs["counts_off"] = Map.from_hdulist(hdulist, hdu="counts_off")
if "ACCEPTANCE" in hdulist:
init_kwargs["acceptance"] = Map.from_hdulist(hdulist, hdu="acceptance")
if "ACCEPTANCE_OFF" in hdulist:
init_kwargs["acceptance_off"] = Map.from_hdulist(
hdulist, hdu="acceptance_off"
)
if "EXPOSURE" in hdulist:
init_kwargs["exposure"] = Map.from_hdulist(hdulist, hdu="exposure")
if "EDISP_MATRIX" in hdulist:
init_kwargs["edisp"] = EnergyDispersion.from_hdulist(
hdulist, hdu1="EDISP_MATRIX", hdu2="EDISP_MATRIX_EBOUNDS"
)
if "PSF_KERNEL" in hdulist:
psf_map = Map.from_hdulist(hdulist, hdu="psf_kernel")
init_kwargs["psf"] = PSFKernel(psf_map)
if "MASK_SAFE" in hdulist:
mask_safe_map = Map.from_hdulist(hdulist, hdu="mask_safe")
init_kwargs["mask_safe"] = mask_safe_map.data.astype(bool)
if "MASK_FIT" in hdulist:
mask_fit_map = Map.from_hdulist(hdulist, hdu="mask_fit")
init_kwargs["mask_fit"] = mask_fit_map.data.astype(bool)
if "GTI" in hdulist:
gti = GTI(Table.read(hdulist, hdu="GTI"))
init_kwargs["gti"] = gti
return cls(**init_kwargs)
def from_hdulist(cls, hdulist):
"""Create map dataset from list of HDUs.
Parameters
----------
hdulist : `~astropy.io.fits.HDUList`
List of HDUs.
Returns
-------
dataset : `MapDataset`
Map dataset.
"""
init_kwargs = {}
init_kwargs["counts"] = Map.from_hdulist(hdulist, hdu="counts")
init_kwargs["exposure"] = Map.from_hdulist(hdulist, hdu="exposure")
background_map = Map.from_hdulist(hdulist, hdu="background")
init_kwargs["background_model"] = BackgroundModel(background_map)
if "EDISP_MATRIX" in hdulist:
init_kwargs["edisp"] = EnergyDispersion.from_hdulist(
hdulist, hdu1="EDISP_MATRIX", hdu2="EDISP_MATRIX_EBOUNDS")
if "PSF_KERNEL" in hdulist:
psf_map = Map.from_hdulist(hdulist, hdu="psf_kernel")
init_kwargs["psf"] = PSFKernel(psf_map)
if "MASK_SAFE" in hdulist:
mask_safe_map = Map.from_hdulist(hdulist, hdu="mask_safe")
init_kwargs["mask_safe"] = mask_safe_map.data.astype(bool)
if "MASK_FIT" in hdulist:
mask_fit_map = Map.from_hdulist(hdulist, hdu="mask_fit")
init_kwargs["mask_fit"] = mask_fit_map.data.astype(bool)
return cls(**init_kwargs)