code: def from_dynacRepr(cls, pynacRepr):
          
          energyDefnFlag = int(pynacRepr[1][0][0])
          energy = float(pynacRepr[1][0][1])
          phase = float(pynacRepr[1][0][2])
          x = float(pynacRepr[1][0][3])
          y = float(pynacRepr[1][0][4])
          radius = float(pynacRepr[1][0][5])
  
          return cls(energy, phase, x, y, radius, energyDefnFlag)
docs: Construct a ``Set4DAperture`` instance from the Pynac lattice element