JetReCalibrator.Type1METCorrector Class Reference

Public Member Functions
def	__init__ (self, old74XMiniAODs)
def	correct (self, met, type1METCorrections)

Public Attributes
	oldMC

Detailed Description

Definition at line 156 of file JetReCalibrator.py.

Constructor & Destructor Documentation

def JetReCalibrator.Type1METCorrector.__init__	(		self,
			old74XMiniAODs
	)

Object to apply type1 corrections computed by the JetReCalibrator to the MET.
   old74XMiniAODs should be True if using inputs produced with CMSSW_7_4_11 or earlier.

Definition at line 157 of file JetReCalibrator.py.

    def __init__(self, old74XMiniAODs):
        """Object to apply type1 corrections computed by the JetReCalibrator to the MET.
           old74XMiniAODs should be True if using inputs produced with CMSSW_7_4_11 or earlier."""
        self.oldMC = old74XMiniAODs

Member Function Documentation

def JetReCalibrator.Type1METCorrector.correct	(		self,
			met,
			type1METCorrections
	)

Definition at line 161 of file JetReCalibrator.py.

References JetReCalibrator.Type1METCorrector.oldMC, and JetReCalibrator.setFakeRawMETOnOldMiniAODs().

Referenced by KalmanMuonCorrector.KalmanMuonCorrector.correct_all().

    def correct(self,met,type1METCorrections):
        oldpx, oldpy = met.px(), met.py()
        #print "old met: px %+10.5f, py %+10.5f" % (oldpx, oldpy)
        if self.oldMC:
            raw  = met.shiftedP2_74x(12,0);
            rawsumet =  met.shiftedSumEt_74x(12,0);
        else:
            raw = met.uncorP2()
            rawsumet =  met.uncorSumEt();
        rawpx, rawpy = raw.px, raw.py
        #print "raw met: px %+10.5f, py %+10.5f" % (rawpx, rawpy)
        corrpx = rawpx + type1METCorrections[0]
        corrpy = rawpy + type1METCorrections[1]
        corrsumet = rawsumet  + type1METCorrections[2]
        #print "done met: px %+10.5f, py %+10.5f\n" % (corrpx,corrpy)
        met.setP4(ROOT.reco.Particle.LorentzVector(corrpx,corrpy,0,hypot(corrpx,corrpy)))
        ## workaround for missing setSumEt in reco::MET and pat::MET
        met._sumEt = corrsumet
        met.sumEt = types.MethodType(lambda myself : myself._sumEt, met, met.__class__) 
        if not self.oldMC:
            met.setCorShift(rawpx, rawpy, rawsumet, met.Raw)
        else: 
            # to avoid segfauls in pat::MET, I need a more ugly solution
            setFakeRawMETOnOldMiniAODs(met, rawpx,rawpy, rawsumet)

Member Data Documentation

JetReCalibrator.Type1METCorrector.oldMC

Definition at line 160 of file JetReCalibrator.py.

Referenced by JetReCalibrator.Type1METCorrector.correct().