boinor.frames.enums

Coordinate frames definitions.

Classes

Planes

Create a collection of name/value pairs.

Module Contents

class boinor.frames.enums.Planes(*args, **kwds)

Bases: enum.Enum

Create a collection of name/value pairs.

Example enumeration:

>>> class Color(Enum):
...     RED = 1
...     BLUE = 2
...     GREEN = 3

Access them by:

  • attribute access:

>>> Color.RED
<Color.RED: 1>

  • value lookup:

>>> Color(1)
<Color.RED: 1>

  • name lookup:

>>> Color['RED']
<Color.RED: 1>

Enumerations can be iterated over, and know how many members they have:

>>> len(Color)
3

>>> list(Color)
[<Color.RED: 1>, <Color.BLUE: 2>, <Color.GREEN: 3>]

Methods can be added to enumerations, and members can have their own attributes – see the documentation for details.

EARTH_EQUATOR = 'Earth mean Equator and Equinox of epoch (J2000.0)'
EARTH_ECLIPTIC = 'Earth mean Ecliptic and Equinox of epoch (J2000.0)'
BODY_FIXED = 'Rotating body mean Equator and node of date'