CustomFrame

class erwans3.Frame_class.CustomFrame(*args, copy=True, representation_type=None, differential_type=None, **kwargs)

Bases: BaseCoordinateFrame

A super class used to generate custom astropy frames.

The custom frames use ICRF axis but a custom origin point based on either - coordinates - or a body

Attributes:

default_representationclass

Specifies the default representation used in the custom frame.

default_differentialclass

Specifies the default differential used in the custom frame.

obstimeTimeAttribute

Time attribute representing the reference time of the frame.

:meth:`~erwans3.Frame_class.init_from_ref_coord`

Initialize a frame class based on origin coordinates stored in another astropy frame.

:meth:`~erwans3.Frame_class.init_from_body`

Initialize a frame class based on origin coordinates of a solar system body known by astropy.

:meth:`~erwans3.Frame_class.init_from_spice`

Work in progress.

Attributes Summary

default_differential	Default representation for differential data (e.g., velocity)
default_representation	Default representation for position data
frame_attributes
frame_specific_representation_info	Mapping for frame-specific component names
name
obstime

Methods Summary

init_from_body(body)	Initialize a frame class based on a body as origin coordinate.
init_from_ref_coord(ref_coord)	Initialize a frame class based on origin coordinate
init_from_spice(dict_spice)	Initialize a frame class based on a body known by spice The frame can be not ICRF (axis rotate with the body)

Attributes Documentation

default_differential

Default representation for differential data (e.g., velocity)

default_representation

Default representation for position data

frame_attributes = {'obstime': <astropy.coordinates.attributes.TimeAttribute object>}

frame_specific_representation_info

Mapping for frame-specific component names

name = 'customframe'

obstime = <Time object: scale='tt' format='jyear_str' value=J2000.000>

Methods Documentation

init_from_body(body: str)

Initialize a frame class based on a body as origin coordinate.

The body has to be known by astropy.

Parameters:

ref_coordstr

Name of the body

init_from_ref_coord(ref_coord: Union[BaseCoordinateFrame, SkyCoord])

Initialize a frame class based on origin coordinate

that are stored in another astropy frame (reference frame of the origin coordinate)

Parameters:

ref_coordBaseCoordinateFrame or SkyCoord

Reference coordinate or frame to define the custom frame’s origin.

init_from_spice(dict_spice)

Initialize a frame class based on a body known by spice The frame can be not ICRF (axis rotate with the body)

Not Implemented.