parameters: (self, orien)
docstring: Sets to relationship between the detectors and the spectra numbers. The relationship
              is given by an orientation string and this function throws if the string is not recognised
              @param orien: the orientation string must be a string contained in the dictionary _ORIENTED
docstring_summary: Sets to relationship between the detectors and the spectra numbers. The relationship
              is given by an orientation string and this function throws if the string is not recognised
docstring_tokens: Sets to relationship between the detectors and the spectra numbers . The relationship is given by an orientation string and this function throws if the string is not recognised
function: def set_orien(self, orien):
          """
              Sets to relationship between the detectors and the spectra numbers. The relationship
              is given by an orientation string and this function throws if the string is not recognised
              @param orien: the orientation string must be a string contained in the dictionary _ORIENTED
          """
          self._ORIENTED[orien]
          self._orientation = orien
function_tokens: def set_orien ( self , orien ) : self . _ORIENTED [ orien ] self . _orientation = orien