'''
A convient collector for conformational analyze for trajectory.
'''
gyration_results_collector = {
    'gyration tensor':None,
    'Rg' : None,
    'tan2XG' : None,
    'Asphericity' : None,
    'Acylindericity' : None,
    'Anistropy' : None,
}
gyration_atom_selections = None
