PhysicsSphericalDifferential¶
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class
astropy.coordinates.
PhysicsSphericalDifferential
(d_phi, d_theta, d_r, copy=True)[source] [edit on github]¶ Bases:
astropy.coordinates.BaseDifferential
Differential(s) of 3D spherical coordinates using physics convention.
Parameters: d_phi, d_theta :
Quantity
The differential azimuth and inclination.
d_r :
Quantity
The differential radial distance.
copy : bool, optional
If
True
(default), arrays will be copied rather than referenced.Attributes Summary
attr_classes
d_phi
Component ‘d_phi’ of the Differential. d_r
Component ‘d_r’ of the Differential. d_theta
Component ‘d_theta’ of the Differential. Methods Summary
from_representation
(representation[, base])represent_as
(other_class[, base])Convert coordinates to another representation. Attributes Documentation
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attr_classes
= OrderedDict([('d_phi', <class 'astropy.units.quantity.Quantity'>), ('d_theta', <class 'astropy.units.quantity.Quantity'>), ('d_r', <class 'astropy.units.quantity.Quantity'>)])¶
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d_phi
¶ Component ‘d_phi’ of the Differential.
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d_r
¶ Component ‘d_r’ of the Differential.
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d_theta
¶ Component ‘d_theta’ of the Differential.
Methods Documentation
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classmethod
from_representation
(representation, base=None)[source] [edit on github]¶
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represent_as
(other_class, base=None)[source] [edit on github]¶ Convert coordinates to another representation.
If the instance is of the requested class, it is returned unmodified. By default, conversion is done via cartesian coordinates.
Parameters: other_class :
BaseRepresentation
subclassThe type of representation to turn the coordinates into.
base : instance of
self.base_representation
, optionalBase relative to which the differentials are defined. If the other class is a differential representation, the base will be converted to its
base_representation
.
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