control.py 文件源码

def get_knots(curve):
    """Gets the list of knots of a curve so it can be recreated.

    :param curve: Curve to query.
    :return: A list of knot values that can be passed into the curve creation command.
    """
    curve = shortcuts.get_shape(curve)
    info = cmds.createNode('curveInfo')
    cmds.connectAttr('{0}.worldSpace'.format(curve), '{0}.inputCurve'.format(info))
    knots = cmds.getAttr('{0}.knots[*]'.format(info))
    cmds.delete(info)
    return knots