def __init__(self, path, times=None, geodesic=None):
Interpolator.__init__(self, path[0], path[-1])
if geodesic != None:
self.geodesic = geodesic
else:
self.geodesic = GeodesicSpace()
if times != None:
self.path = path
self.trajectory = trajectory.Trajectory(times, path)
if times[0] != 0 or times[-1] != 1:
raise ValueError(
"PiecewiseLinearInterpolator must have time range [0,1]")
else:
self.path = path
self.trajectory = None
