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# Licensed under a 3-clause BSD style license - see LICENSE.rst
"""
The `astropy.nddata` subpackage provides the `~astropy.nddata.NDData`
class and related tools to manage n-dimensional array-based data (e.g.
CCD images, IFU Data, grid-based simulation data, ...). This is more than
just `numpy.ndarray` objects, because it provides metadata that cannot
be easily provided by a single array.
"""
from .nddata import *
from .nddata_base import *
from .nddata_withmixins import *
from .nduncertainty import *
from .flag_collection import *
from .decorators import *
from .mixins.ndarithmetic import *
from .mixins.ndslicing import *
from .mixins.ndio import *
from .compat import *
from .utils import *
from .. import config as _config
class Conf(_config.ConfigNamespace):
"""
Configuration parameters for `astropy.nddata`.
"""
warn_unsupported_correlated = _config.ConfigItem(
True,
'Whether to issue a warning if `~astropy.nddata.NDData` arithmetic '
'is performed with uncertainties and the uncertainties do not '
'support the propagation of correlated uncertainties.'
)
warn_setting_unit_directly = _config.ConfigItem(
True,
'Whether to issue a warning when the `~astropy.nddata.NDData` unit '
'attribute is changed from a non-``None`` value to another value '
'that data values/uncertainties are not scaled with the unit change.'
)
conf = Conf()
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