SplineObject.py 文件源码

def knots(self, direction=None, with_multiplicities=False):
        """  Return knots vector

        If `direction` is given, returns the knots in that direction, as a
        list. If it is not given, returns the knots of all directions, as a
        tuple.

        :param int direction: Direction in which to get the knots.
        :param bool with_multiplicities: If true, return knots with
            multiplicities (i.e. repeated).
        :raises ValueError: For invalid direction
        """
        getter = attrgetter('knots') if with_multiplicities else methodcaller('knot_spans')
        if direction is None:
            return tuple(getter(b) for b in self.bases)
        direction = check_direction(direction, self.pardim)
        return getter(self.bases[direction])