class PiecewiseLinearInterpolator(Interpolator): 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 def length(self): l = 0 for i in range(len(self.path)-1): l += self.geodesic.distance(self.path[i],self.path[i+1]) return l def eval(self,u): if self.trajectory != None: return self.trajectory.eval(u) else: if u <= 0: return self.path[0] if u >= 1: return self.path[-1] k = u*(len(self.path)-1) s = k-math.floor(k) i = int(math.floor(k)) return self.geodesic.interpolate(self.path[i],self.path[i+1],s)
class PiecewiseLinearInterpolator(Interpolator): 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 def length(self): l = 0 for i in range(len(self.path) - 1): l += self.geodesic.distance(self.path[i], self.path[i + 1]) return l def eval(self, u): if self.trajectory != None: return self.trajectory.eval(u) else: if u <= 0: return self.path[0] if u >= 1: return self.path[-1] k = u * (len(self.path) - 1) s = k - math.floor(k) i = int(math.floor(k)) return self.geodesic.interpolate(self.path[i], self.path[i + 1], s)
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
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