import pyspedas
import logging
[docs]
def rotmat_get_coords(varname:str):
""" Get input and output coordinates on a rotation matrix
Parameters
----------
varname:str
Variable name of the rotation matrix
Returns
-------
(str, str)
Tuple containing the input and output coordinates (or None if not set)
"""
md=pyspedas.get_data(varname, metadata=True)
data_att = md.get('data_att')
if data_att is None:
logging.warning(f"Rotation matrix {varname} has no input or output coordinates set")
return (None, None)
in_coords = data_att.get('input_coord_sys')
if in_coords is None:
logging.warning(f"Rotation matrix {varname} has no input coordinates set")
out_coords = data_att.get('output_coord_sys')
if out_coords is None:
logging.warning(f"Rotation matrix {varname} has no output coordinates set")
return (in_coords, out_coords)