def getActiveAxes(self):
        """
        Return a list of names of axes which are not zero
        ::
        
            >>> l = Location(pop=1, snap=0, crackle=1)
            >>> l.getActiveAxes()
            ['crackle', 'pop']
        """
        names = sorted(k for k in self.keys() if self[k]!=0)
        return names
def getActiveAxes ( self ) : names = sorted ( k for k in self . keys ( ) if self [ k ] != 0 ) return names
Return a list of names of axes which are not zero
        ::
        
            >>> l = Location(pop=1, snap=0, crackle=1)
            >>> l.getActiveAxes()
            ['crackle', 'pop']