def __init__(self, dInA, cTime=0.): self.dIA = dInA self.aDR = Fkt.normaliseV(np.array(self.dIA['tDirRay'])) self.aDRInv = Fkt.normaliseV(np.array(self.dIA['tDirRayInv'])) self.itR = self.dIA['intRay'] self.cT = cTime