NDDataBase¶
-
class
astropy.nddata.
NDDataBase
[source] [edit on github]¶ Bases:
object
Base metaclass that defines the interface for N-dimensional datasets with associated meta informations used in
astropy
.All properties and methods have to be overridden in subclasses. See
NDData
for a subclass that defines this interface onndarray
-like baseddata
.Attributes Summary
data
The stored dataset. mask
Mask for the dataset. meta
Meta information about the dataset. uncertainty
Uncertainty in the dataset. unit
Unit for the dataset. wcs
A world coordinate system (WCS) for the dataset. Attributes Documentation
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data
¶ The stored dataset.
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mask
¶ Mask for the dataset.
Masks should follow the
numpy
convention that valid data points are marked byFalse
and invalid ones withTrue
.
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uncertainty
¶ Uncertainty in the dataset.
Should have an attribute
uncertainty_type
that defines what kind of uncertainty is stored, such as'std'
for standard deviation or'var'
for variance.
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unit
¶ Unit for the dataset.
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wcs
¶ A world coordinate system (WCS) for the dataset.
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