function barrel_make_standard_energies,slow=slow if keyword_set(slow) then $ n=datin(barrel_find_file('barrel_calib_sspcbin.txt','barrel_sp_v3.5'),4,d)$ else $ n=datin(barrel_find_file('barrel_calib_mspcbin.txt','barrel_sp_v3.5'),5,d) ebins = reform(d[1,*]) return,ebins end