cf
AuxiliaryCoordinate.
positive
The positive CF property.
>>> c.positive = 'up' >>> c.positive 'up' >>> del c.positive
>>> c.setprop('positive', 'down') >>> c.getprop('positive') 'down' >>> c.delprop('positive')
cf.AuxiliaryCoordinate.month_lengths
cf.AuxiliaryCoordinate.scale_factor