return the coordiinate at which this optic's back/exit surface is centered. For 'atomic' optics, it is the center of the whole object' override this for thick optics, etc. Reimplemented in composite_optic. Definition at line 520 of file general_optics.py. 00520 : 00521 """return the coordiinate at which this optic's back/exit surface is centered. For 'atomic' optics, it is the center of the whole object' 00522 override this for thick optics, etc. 00523 """ 00524 return self.center 00525 def transform_into_local(self, direction):
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