curve.py 文件源码

def tck(self, dimension = None):
    """Returns a tck tuple for use with spline functions

    Arguments:
      dimension (None, list or int): dimension(s) for which to return tck tuple, if None return for all

    Returns:
      tuple: tck couple as returned by splprep
    """
    if dimension is None:
      return (self._knots_all, self._parameter.T, self.degree);
    else:
      if isinstance(dimension,int):
        dimension = [dimension];
      return (self._knots_all, self._parameter[:,dimension].T, self.degree);