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#include "CondFormats/JetMETObjects/interface/JetCorrectionUncertainty.h"
#include "CondFormats/JetMETObjects/interface/SimpleJetCorrectionUncertainty.h"
#include "CondFormats/JetMETObjects/interface/JetCorrectorParameters.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "Math/PtEtaPhiE4D.h"
#include "Math/Vector3D.h"
#include "Math/LorentzVector.h"
#include <vector>
#include <string>
/////////////////////////////////////////////////////////////////////////
JetCorrectionUncertainty::JetCorrectionUncertainty() {
mJetEta = -9999;
mJetPt = -9999;
mJetPhi = -9999;
mJetE = -9999;
mJetEMF = -9999;
mLepPx = -9999;
mLepPy = -9999;
mLepPz = -9999;
mIsJetEset = false;
mIsJetPtset = false;
mIsJetPhiset = false;
mIsJetEtaset = false;
mIsJetEMFset = false;
mIsLepPxset = false;
mIsLepPyset = false;
mIsLepPzset = false;
mAddLepToJet = false;
}
/////////////////////////////////////////////////////////////////////////
JetCorrectionUncertainty::JetCorrectionUncertainty(const std::string& fDataFile) : mUncertainty{fDataFile} {
mJetEta = -9999;
mJetPt = -9999;
mJetPhi = -9999;
mJetE = -9999;
mJetEMF = -9999;
mLepPx = -9999;
mLepPy = -9999;
mLepPz = -9999;
mIsJetEset = false;
mIsJetPtset = false;
mIsJetPhiset = false;
mIsJetEtaset = false;
mIsJetEMFset = false;
mIsLepPxset = false;
mIsLepPyset = false;
mIsLepPzset = false;
mAddLepToJet = false;
}
/////////////////////////////////////////////////////////////////////////
JetCorrectionUncertainty::JetCorrectionUncertainty(const JetCorrectorParameters& fParameters)
: mUncertainty{fParameters} {
mJetEta = -9999;
mJetPt = -9999;
mJetPhi = -9999;
mJetE = -9999;
mJetEMF = -9999;
mLepPx = -9999;
mLepPy = -9999;
mLepPz = -9999;
mIsJetEset = false;
mIsJetPtset = false;
mIsJetPhiset = false;
mIsJetEtaset = false;
mIsJetEMFset = false;
mIsLepPxset = false;
mIsLepPyset = false;
mIsLepPzset = false;
mAddLepToJet = false;
}
/////////////////////////////////////////////////////////////////////////
void JetCorrectionUncertainty::setParameters(const std::string& fDataFile) {
mUncertainty = SimpleJetCorrectionUncertainty(fDataFile);
}
/////////////////////////////////////////////////////////////////////////
float JetCorrectionUncertainty::getUncertainty(bool fDirection) {
float result;
std::vector<float> vx, vy;
vx = fillVector(mUncertainty.parameters().definitions().binVar());
vy = fillVector(mUncertainty.parameters().definitions().parVar());
result = mUncertainty.uncertainty(vx, vy[0], fDirection);
mIsJetEset = false;
mIsJetPtset = false;
mIsJetPhiset = false;
mIsJetEtaset = false;
mIsJetEMFset = false;
mIsLepPxset = false;
mIsLepPyset = false;
mIsLepPzset = false;
return result;
}
//------------------------------------------------------------------------
//--- Reads the parameter names and fills a vector of floats -------------
//------------------------------------------------------------------------
std::vector<float> JetCorrectionUncertainty::fillVector(const std::vector<std::string>& fNames) {
std::vector<float> result;
for (unsigned i = 0; i < fNames.size(); i++) {
if (fNames[i] == "JetEta") {
if (!mIsJetEtaset) {
edm::LogError("JetCorrectionUncertainty::") << " jet eta is not set";
result.push_back(-999.0);
} else {
result.push_back(mJetEta);
}
} else if (fNames[i] == "JetPt") {
if (!mIsJetPtset) {
edm::LogError("JetCorrectionUncertainty::") << " jet pt is not set";
result.push_back(-999.0);
} else {
result.push_back(mJetPt);
}
} else if (fNames[i] == "JetPhi") {
if (!mIsJetPhiset) {
edm::LogError("JetCorrectionUncertainty::") << " jet phi is not set";
result.push_back(-999.0);
} else {
result.push_back(mJetPhi);
}
} else if (fNames[i] == "JetE") {
if (!mIsJetEset) {
edm::LogError("JetCorrectionUncertainty::") << " jet energy is not set";
result.push_back(-999.0);
} else {
result.push_back(mJetE);
}
} else if (fNames[i] == "JetEMF") {
if (!mIsJetEMFset) {
edm::LogError("JetCorrectionUncertainty::") << " jet emf is not set";
result.push_back(-999.0);
} else {
result.push_back(mJetEMF);
}
} else if (fNames[i] == "LepPx") {
if (!mIsLepPxset) {
edm::LogError("JetCorrectionUncertainty::") << " lepton px is not set";
result.push_back(-999.0);
} else {
result.push_back(mLepPx);
}
} else if (fNames[i] == "LepPy") {
if (!mIsLepPyset) {
edm::LogError("JetCorrectionUncertainty::") << " lepton py is not set";
result.push_back(-999.0);
} else {
result.push_back(mLepPy);
}
} else if (fNames[i] == "LepPz") {
if (!mIsLepPzset) {
edm::LogError("JetCorrectionUncertainty::") << " lepton pz is not set";
result.push_back(-999.0);
} else {
result.push_back(mLepPz);
}
}
else {
edm::LogError("JetCorrectionUncertainty::") << " unknown parameter " << fNames[i];
result.push_back(-999.0);
}
}
return result;
}
//------------------------------------------------------------------------
//--- Calculate the PtRel (needed for the SLB) ---------------------------
//------------------------------------------------------------------------
float JetCorrectionUncertainty::getPtRel() {
typedef ROOT::Math::LorentzVector<ROOT::Math::PtEtaPhiE4D<float> > PtEtaPhiELorentzVector;
typedef ROOT::Math::DisplacementVector3D<ROOT::Math::Cartesian3D<float> > XYZVector;
PtEtaPhiELorentzVector jet;
XYZVector lep;
jet.SetPt(mJetPt);
jet.SetEta(mJetEta);
jet.SetPhi(mJetPhi);
jet.SetE(mJetE);
lep.SetXYZ(mLepPx, mLepPy, mLepPz);
float lj_x = (mAddLepToJet) ? lep.X() + jet.Px() : jet.Px();
float lj_y = (mAddLepToJet) ? lep.Y() + jet.Py() : jet.Py();
float lj_z = (mAddLepToJet) ? lep.Z() + jet.Pz() : jet.Pz();
// absolute values squared
float lj2 = lj_x * lj_x + lj_y * lj_y + lj_z * lj_z;
float pTrel2 = -999.0;
if (lj2 > 0) {
float lep2 = lep.X() * lep.X() + lep.Y() * lep.Y() + lep.Z() * lep.Z();
// projection vec(mu) to lepjet axis
float lepXlj = lep.X() * lj_x + lep.Y() * lj_y + lep.Z() * lj_z;
// absolute value squared and normalized
float pLrel2 = lepXlj * lepXlj / lj2;
// lep2 = pTrel2 + pLrel2
pTrel2 = lep2 - pLrel2;
} else
edm::LogError("JetCorrectionUncertainty") << " not positive lepton-jet momentum: " << lj2;
return (pTrel2 > 0) ? std::sqrt(pTrel2) : 0.0;
}
//------------------------------------------------------------------------
//--- Setters ------------------------------------------------------------
//------------------------------------------------------------------------
void JetCorrectionUncertainty::setJetEta(float fEta) {
mJetEta = fEta;
mIsJetEtaset = true;
}
//------------------------------------------------------------------------
void JetCorrectionUncertainty::setJetPt(float fPt) {
mJetPt = fPt;
mIsJetPtset = true;
}
//------------------------------------------------------------------------
void JetCorrectionUncertainty::setJetPhi(float fPhi) {
mJetPhi = fPhi;
mIsJetPhiset = true;
}
//------------------------------------------------------------------------
void JetCorrectionUncertainty::setJetE(float fE) {
mJetE = fE;
mIsJetEset = true;
}
//------------------------------------------------------------------------
void JetCorrectionUncertainty::setJetEMF(float fEMF) {
mJetEMF = fEMF;
mIsJetEMFset = true;
}
//------------------------------------------------------------------------
void JetCorrectionUncertainty::setLepPx(float fPx) {
mLepPx = fPx;
mIsLepPxset = true;
}
//------------------------------------------------------------------------
void JetCorrectionUncertainty::setLepPy(float fPy) {
mLepPy = fPy;
mIsLepPyset = true;
}
//------------------------------------------------------------------------
void JetCorrectionUncertainty::setLepPz(float fPz) {
mLepPz = fPz;
mIsLepPzset = true;
}
//------------------------------------------------------------------------
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