PlotCalibrationGains.GainReader Node1 PlotCalibrationGains.Gain Reader + measured_gains + reference_gains + measured_chi2 + measured_offset + UNIX2COOL + run_nr + strategy + __init__() + LoadGainsXml() + LoadReferenceXml() + LoadGainsSqlite() + LoadReferenceSqlite() + LoadReferenceOracle() + getGain() + getChi2() + getOffset() + getReferenceGain() + passesSelection()