Bases: astropy.nddata.NDArithmeticMixin, astropy.nddata.NDSlicingMixin, astropy.nddata.NDIOMixin, astropy.nddata.NDData
An NDData object with arithmetic. This class is functionally equivalent to NDData in astropy versions prior to 1.0.
The key distinction from raw numpy arrays is the presence of additional metadata such as uncertainties, a mask, units, flags, and/or a coordinate system.
Parameters: |
uncertainty : NDUncertainty, optional
mask : ndarray-like, optional
flags : ndarray-like or FlagCollection, optional
wcs : undefined, optional
meta : dict-like object, optional
unit : UnitBase instance or str, optional
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Raises: | ValueError :
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Attributes Summary
dtype | numpy.dtype of this object’s data. |
flags | |
mask | |
ndim | integer dimensions of this object’s data |
shape | shape tuple of this object’s data. |
size | integer size of this object’s data. |
uncertainty | |
unit |
Methods Summary
convert_unit_to(unit[, equivalencies]) | Returns a new NDData object whose values have been converted to a new unit. |
Attributes Documentation
numpy.dtype of this object’s data.
integer dimensions of this object’s data
shape tuple of this object’s data.
integer size of this object’s data.
Methods Documentation
Returns a new NDData object whose values have been converted to a new unit.
Parameters: | unit : astropy.units.UnitBase instance or str
equivalencies : list of equivalence pairs, optional
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Returns: | result : NDData
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Raises: | UnitsError
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