analysis: analysis::general_optics::beam::free

def free_drift	(	self,
		distance
	)

Definition at line 330 of file general_optics.py.

00330                                       :
00331                 "allow the beam to step forward a specified distance, and set some variables which can be recorded in a marker, if desired" 
00332                 self.q.drift(distance)
00333                 self.total_drift=self.total_drift+distance
00334                 self.x0=self.x0+self.direction()*distance
00335                 self.total_drift_time=self.total_drift_time+distance*self.q.medium_index
00336                 self.incoming_q=self.q.clone()
00337                 self.footprint_q=self.q.clone()
00338                 return self
00339                 
        def localize(self, optic):