def geodetic(self, connection):
        """
        Returns true if this field's SRID corresponds with a coordinate
        system that uses non-projected units (e.g., latitude/longitude).
        """
        return self.units_name(connection) in self.geodetic_units
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/contrib/gis/db/models/fields.py/GeometryField.geodetic/original