encapsulate instrumental data

from ObservationSim.MockObject._util import seds, sed_assign, extAv, tag_sed, getObservedSED

from ObservationSim.Astrometry.Astrometry_util import on_orbit_obs_position

try:

    import importlib.resources as pkg_resources

except ImportError:

    # Try backported to PY<37 'importlib_resources'

    import importlib_resources as pkg_resources

NSIDE = 128

class C3Catalog(CatalogBase):

        super().__init__()

        self.cat_dir = os.path.join(config["data_dir"], config["input_path"]["cat_dir"])

        self.seed_Av = config["random_seeds"]["seed_Av"]

        self.normalize_dir = os.path.join(config["data_dir"], config["SLS_path"]["SLS_norm"])

        # self.normalize_dir = os.path.join(config["data_dir"], config["SLS_path"]["SLS_norm"])

        self.normF_star = Table.read(os.path.join(self.normalize_dir, 'SLOAN_SDSS.g.fits'))

        self.normF_galaxy = Table.read(os.path.join(self.normalize_dir, 'lsst_throuput_g.fits'))

        # self.normF_star = Table.read(os.path.join(self.normalize_dir, 'SLOAN_SDSS.g.fits'))

        # self.normF_galaxy = Table.read(os.path.join(self.normalize_dir, 'lsst_throuput_g.fits'))

        with pkg_resources.path('Catalog.data', 'SLOAN_SDSS.g.fits') as filter_path:

                self.normF_star = filter_path

        with pkg_resources.path('Catalog.data', 'lsst_throuput_g.fits') as filter_path:

                self.normF_star = filter_path

        self.config = config

        self.chip = chip

        # Apply astrometric modeling

        ra_arr = stars["RA"][:]

        dec_arr = stars["Dec"][:]

        if "astrometric_lib" in self.config["obs_setting"] and self.config["obs_setting"]["enable_astrometric_model"]:

        # if "astrometric_lib" in self.config["obs_setting"] and self.config["obs_setting"]["enable_astrometric_model"]:

        if self.config["obs_setting"]["enable_astrometric_model"]:

            ra_list = ra_arr.tolist()

            dec_list = dec_arr.tolist()

            pmra_list = np.zeros(nstars).tolist()

            pmdec_list = np.zeros(nstars).tolist()

            rv_list = np.zeros(nstars).tolist()

            parallax_list = [1e-9] * nstars

            lib_path = os.path.join(self.config["data_dir"], self.config["obs_setting"]["astrometric_lib"])

            # lib_path = os.path.join(self.config["data_dir"], self.config["obs_setting"]["astrometric_lib"])

            dt = datetime.fromtimestamp(self.pointing.timestamp)

            date_str = dt.date().isoformat()

            time_str = dt.time().isoformat()

                input_epoch="J2015.5",

                input_date_str=date_str,

                input_time_str=time_str,

                lib_path=lib_path

                # lib_path=lib_path

            )

        for istars in range(nstars):

            param = self.initialize_param()