BaseCoordinateSystem

A CoordinateSystem object that can’t be reduced further. A common choice might be Cartesian coordinates or internal coordinates. This allows us to define flexible CoordinateSystem subclasses that we don’t expect to be used as a base

__init__(self, name, dimension=None, coordinate_shape=None, converter_options=None): 

to_state(self, serializer=None): 

@classmethod
from_state(cls, data, serializer=None):