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#include<iostream> |
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#include<math.h> |
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#include<string> |
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|
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#include "TFile.h" |
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#include "TTree.h" |
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#include "TString.h" |
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#include "TLorentzVector.h" |
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#include "TSystem.h" |
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#include "SusyEvent.h" |
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#include "treeWriter.h" |
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using namespace std; |
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namespace tree { |
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// In this namespace classes for the trees are defined. |
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TreeWriter::TreeWriter( TString inputName, TString outputName, int loggingVerbosity_ ) { |
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// read the input file |
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inputTree = new TChain("susyTree"); |
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if (loggingVerbosity_ > 0) |
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std::cout << "Add files to chain" << std::endl; |
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inputTree->Add( inputName ); |
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|
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class Particle { |
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public: |
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float pt, eta, phi; |
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}; |
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if (loggingVerbosity_ > 0) |
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std::cout << "Set Branch Address of susy::Event" << std::endl; |
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event = new susy::Event; |
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inputTree->SetBranchAddress("susyEvent", &event); |
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class Photon : public Particle { |
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public: |
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float r9, sigmaIetaIeta, hadTowOverEm, pixelseed; |
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float chargedIso, neutralIso, photonIso; |
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}; |
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// open the output file |
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if (loggingVerbosity_>0) |
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std::cout << "Open file " << outputName << " for writing." << std::endl; |
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outFile = new TFile( outputName, "recreate" ); |
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tree = new TTree("susyTree","Tree for single photon analysis"); |
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class Jet : public Particle{ |
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public: |
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float pt, eta; |
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}; |
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// set default parameter |
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processNEvents = -1; |
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reportEvery = 1000; |
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loggingVerbosity = loggingVerbosity_; |
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skim = true; |
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pileupHisto = 0; |
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} |
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bool EtGreater(const tree::Particle p1, const tree::Particle p2) { |
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return p1.pt > p2.pt; |
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> |
void TreeWriter::PileUpWeightFile( string pileupFileName ) { |
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TFile *puFile = new TFile( pileupFileName.c_str() ); |
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pileupHisto = (TH1F*) puFile->Get("pileup"); |
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} |
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} // end namespace definition |
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class TreeWriter { |
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public : |
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TreeWriter(TString inputName, TString outputName ); |
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virtual ~TreeWriter(); |
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virtual void Loop(); |
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void SetProcessNEvents(int nEvents) { processNEvents = nEvents; } |
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void SetReportEvents(int nEvents) { reportEvery = nEvents; } |
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TreeWriter::~TreeWriter() { |
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if (pileupHisto != 0 ) |
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delete pileupHisto; |
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inputTree->GetCurrentFile()->Close(); |
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} |
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TFile *inputFile; |
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TTree *inputTree; |
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susy::Event *event; |
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// useful functions |
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float TreeWriter::deltaR( TLorentzVector v1, TLorentzVector v2 ) { |
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return sqrt(pow(v1.Eta() - v2.Eta(), 2) + pow(v1.Phi() - v2.Phi(), 2) ); |
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} |
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TFile *outFile; |
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TTree *tree; |
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// correct iso, see https://twiki.cern.ch/twiki/bin/view/CMS/CutBasedPhotonID2012 |
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float chargedHadronIso_corrected(susy::Photon gamma, float rho) { |
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float eta = fabs(gamma.caloPosition.Eta()); |
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float ea; |
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|
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if(eta < 1.0) ea = 0.012; |
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else if(eta < 1.479) ea = 0.010; |
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else if(eta < 2.0) ea = 0.014; |
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else if(eta < 2.2) ea = 0.012; |
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else if(eta < 2.3) ea = 0.016; |
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else if(eta < 2.4) ea = 0.020; |
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else ea = 0.012; |
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private: |
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int processNEvents; // number of events to be processed |
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int reportEvery; |
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int loggingVerbosity; |
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float iso = gamma.chargedHadronIso; |
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iso = max(iso - rho*ea, (float)0.); |
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// variables which will be stored in the tree |
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std::vector<tree::Photon> photon; |
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std::vector<tree::Jet> jet; |
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float met; |
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int nVertex; |
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float weight; |
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}; |
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return iso; |
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} |
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float neutralHadronIso_corrected(susy::Photon gamma, float rho) { |
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float eta = fabs(gamma.caloPosition.Eta()); |
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float ea; |
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|
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if(eta < 1.0) ea = 0.030; |
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else if(eta < 1.479) ea = 0.057; |
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else if(eta < 2.0) ea = 0.039; |
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else if(eta < 2.2) ea = 0.015; |
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else if(eta < 2.3) ea = 0.024; |
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else if(eta < 2.4) ea = 0.039; |
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else ea = 0.072; |
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TreeWriter::TreeWriter(TString inputName, TString outputName) { |
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// read the input file |
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inputFile = new TFile( inputName, "read" ); |
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inputTree = (TTree*) inputFile->Get("susyTree"); |
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event = new susy::Event; |
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inputTree->SetBranchAddress("susyEvent", &event); |
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float iso = gamma.neutralHadronIso; |
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iso = max(iso - rho*ea, (float)0.); |
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// open the output file |
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outFile = new TFile( outputName, "recreate" ); |
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tree = new TTree("susyTree","Tree for single photon analysis"); |
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return iso; |
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} |
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// set default parameter |
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< |
processNEvents = -1; |
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reportEvery = 1000; |
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loggingVerbosity = 0; |
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> |
float photonIso_corrected(susy::Photon gamma, float rho) { |
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float eta = fabs(gamma.caloPosition.Eta()); |
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float ea; |
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|
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if(eta < 1.0) ea = 0.148; |
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else if(eta < 1.479) ea = 0.130; |
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else if(eta < 2.0) ea = 0.112; |
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else if(eta < 2.2) ea = 0.216; |
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else if(eta < 2.3) ea = 0.262; |
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> |
else if(eta < 2.4) ea = 0.260; |
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> |
else ea = 0.266; |
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float iso = gamma.photonIso; |
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iso = max(iso - rho*ea, (float)0.); |
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|
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return iso; |
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} |
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< |
TreeWriter::~TreeWriter() { |
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< |
if (!inputTree) return; |
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< |
delete inputTree->GetCurrentFile(); |
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> |
float TreeWriter::getPtFromMatchedJet( susy::Photon myPhoton, susy::Event myEvent ) { |
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> |
/** |
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> |
* \brief Takes jet p_T as photon p_T |
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> |
* |
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* At first all jets with DeltaR < 0.3 (isolation cone) are searched. |
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* If several jets are found, take the one with the minimal pt difference |
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* compared to the photon. If no such jets are found, keep the photon_pt |
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> |
* TODO: remove photon matched jet from jet-selection? |
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> |
*/ |
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> |
std::vector<susy::PFJet> nearJets; |
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> |
nearJets.clear(); |
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> |
|
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> |
std::map<TString,susy::PFJetCollection>::iterator pfJets_it = myEvent.pfJets.find("ak5"); |
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> |
if(pfJets_it == myEvent.pfJets.end()){ |
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> |
if(myEvent.pfJets.size() > 0) std::cout << "JetCollection is not available!!!" << std::endl; |
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> |
} else { |
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> |
susy::PFJetCollection& jetColl = pfJets_it->second; |
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> |
for(std::vector<susy::PFJet>::iterator it = jetColl.begin(); |
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> |
it != jetColl.end(); ++it) { |
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> |
std::map<TString,Float_t>::iterator s_it = it->jecScaleFactors.find("L2L3"); |
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> |
if (s_it == it->jecScaleFactors.end()) { |
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> |
std::cout << "JEC is not available for this jet!!!" << std::endl; |
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> |
continue; |
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> |
} |
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> |
float scale = s_it->second; |
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> |
TLorentzVector corrP4 = scale * it->momentum; |
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> |
float deltaR_ = deltaR(myPhoton.momentum, corrP4 ); |
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> |
if (deltaR_ > 0.3) continue; |
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> |
if( loggingVerbosity > 0 ) |
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> |
std::cout << "gamma pt jet matching factor = " << it->momentum.Et() / myPhoton.momentum.Et() << std::endl; |
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> |
nearJets.push_back( *it ); |
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> |
}// for jet |
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> |
}// if, else |
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> |
|
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> |
if ( nearJets.size() == 0 ) { |
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> |
//std::cout << "No jet with deltaR < .3 found, do not change photon_pt" << std::endl; |
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> |
return myPhoton.momentum.Et(); |
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> |
} |
| 148 |
> |
|
| 149 |
> |
float pt = 0; |
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> |
float minPtDifferenz = 1E20; // should be very high |
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> |
for( std::vector<susy::PFJet>::iterator it = nearJets.begin(), jetEnd = nearJets.end(); |
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> |
it != jetEnd; ++it ) { |
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> |
float ptDiff = fabs(myPhoton.momentum.Et() - it->momentum.Et()); |
| 154 |
> |
if ( ptDiff < minPtDifferenz ) { |
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> |
minPtDifferenz = ptDiff; |
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> |
pt = it->momentum.Et(); |
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> |
} |
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> |
} |
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> |
|
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> |
// testing |
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> |
if( nearJets.size() > 1 && loggingVerbosity > 0 ) |
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> |
std::cout << "There are several jets matching to this photon. " |
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> |
<< "Please check if jet-matching is correct." << std::endl; |
| 164 |
> |
return pt; |
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} |
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|
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+ |
|
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void TreeWriter::Loop() { |
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+ |
|
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// here the event loop is implemented and the tree is filled |
| 171 |
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if (inputTree == 0) return; |
| 172 |
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|
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| 184 |
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tree->Branch("photon", &photon); |
| 185 |
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tree->Branch("jet", &jet); |
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+ |
tree->Branch("electron", &electron); |
| 187 |
+ |
tree->Branch("muon", &muon); |
| 188 |
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tree->Branch("met", &met, "met/F"); |
| 189 |
+ |
tree->Branch("ht", &ht, "ht/F"); |
| 190 |
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tree->Branch("nVertex", &nVertex, "nVertex/I"); |
| 191 |
< |
tree->Branch("weigth", &weight, "weight/F"); |
| 191 |
> |
tree->Branch("pu_weight", &pu_weight, "pu_weight/F"); |
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|
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|
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< |
for (long jentry=0; jentry < processNEvents; jentry++) { |
| 195 |
< |
if (jentry%reportEvery==0) |
| 194 |
> |
for (long jentry=0; jentry < processNEvents; ++jentry) { |
| 195 |
> |
if ( loggingVerbosity>0 && jentry%reportEvery==0 ) |
| 196 |
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std::cout << jentry << " / " << processNEvents << std :: endl; |
| 197 |
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inputTree->GetEntry(jentry); |
| 198 |
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|
| 199 |
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photon.clear(); |
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jet.clear(); |
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+ |
electron.clear(); |
| 202 |
+ |
muon.clear(); |
| 203 |
+ |
ht = 0; |
| 204 |
+ |
|
| 205 |
+ |
// weights |
| 206 |
+ |
if (pileupHisto == 0) { |
| 207 |
+ |
pu_weight = 1.; |
| 208 |
+ |
} else { |
| 209 |
+ |
float trueNumInteractions = -1; |
| 210 |
+ |
for( susy::PUSummaryInfoCollection::const_iterator iBX = event->pu.begin(); |
| 211 |
+ |
iBX != event->pu.end() && trueNumInteractions < 0; ++iBX) { |
| 212 |
+ |
if (iBX->BX == 0) |
| 213 |
+ |
trueNumInteractions = iBX->trueNumInteractions; |
| 214 |
+ |
} |
| 215 |
+ |
pu_weight = pileupHisto->GetBinContent( pileupHisto->FindBin( trueNumInteractions ) ); |
| 216 |
+ |
} |
| 217 |
+ |
|
| 218 |
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|
| 219 |
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// photons |
| 220 |
+ |
if( loggingVerbosity > 1 ) |
| 221 |
+ |
std::cout << "Process photons" << std::endl; |
| 222 |
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std::map<TString, std::vector<susy::Photon> >::iterator phoMap = event->photons.find("photons"); |
| 223 |
|
for(std::vector<susy::Photon>::iterator it = phoMap->second.begin(); |
| 224 |
< |
it != phoMap->second.end() && phoMap != event->photons.end(); it++ ) { |
| 225 |
< |
if( ! it->isEB() ) |
| 224 |
> |
it != phoMap->second.end() && phoMap != event->photons.end(); ++it ) { |
| 225 |
> |
if( ! it->isEB() && skim ) |
| 226 |
|
continue; |
| 227 |
< |
thisphoton->pt = it->momentum.Et(); |
| 228 |
< |
if( thisphoton->pt < 80 ) |
| 227 |
> |
thisphoton->pt = getPtFromMatchedJet( *it, *event ); |
| 228 |
> |
if( thisphoton->pt < 80 && skim ) |
| 229 |
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continue; |
| 230 |
|
thisphoton->eta = it->momentum.Eta(); |
| 231 |
< |
thisphoton->chargedIso = it->chargedHadronIso; |
| 232 |
< |
thisphoton->neutralIso = it->neutralHadronIso; |
| 233 |
< |
thisphoton->photonIso = it->photonIso; |
| 234 |
< |
if ( it->r9 > 1 ) // if == 1 ? |
| 231 |
> |
thisphoton->phi = it->momentum.Phi(); |
| 232 |
> |
thisphoton->chargedIso = chargedHadronIso_corrected(*it, event->rho25); |
| 233 |
> |
thisphoton->neutralIso = neutralHadronIso_corrected(*it, event->rho25); |
| 234 |
> |
thisphoton->photonIso = photonIso_corrected(*it, event->rho25); |
| 235 |
> |
if ( it->r9 >= 1 && skim ) |
| 236 |
|
continue; |
| 237 |
|
thisphoton->r9 = it->r9; |
| 238 |
|
thisphoton->sigmaIetaIeta = it->sigmaIetaIeta; |
| 239 |
|
thisphoton->hadTowOverEm = it->hadTowOverEm; |
| 240 |
|
thisphoton->pixelseed = it->nPixelSeeds; |
| 241 |
|
photon.push_back( *thisphoton ); |
| 242 |
+ |
if( loggingVerbosity > 2 ) |
| 243 |
+ |
std::cout << " p_T, gamma = " << thisphoton->pt << std::endl; |
| 244 |
|
} |
| 245 |
< |
if( photon.size() == 0 ) |
| 245 |
> |
|
| 246 |
> |
if( photon.size() == 0 && skim ) |
| 247 |
|
continue; |
| 248 |
|
std::sort( photon.begin(), photon.end(), tree::EtGreater); |
| 249 |
< |
|
| 249 |
> |
if( loggingVerbosity > 1 ) |
| 250 |
> |
std::cout << "Found " << photon.size() << " photons" << std::endl; |
| 251 |
|
|
| 252 |
|
// jets |
| 253 |
|
std::map<TString,susy::PFJetCollection>::iterator pfJets_it = event->pfJets.find("ak5"); |
| 258 |
|
susy::PFJetCollection& jetColl = pfJets_it->second; |
| 259 |
|
|
| 260 |
|
for(std::vector<susy::PFJet>::iterator it = jetColl.begin(); |
| 261 |
< |
it != jetColl.end(); it++) { |
| 261 |
> |
it != jetColl.end(); ++it) { |
| 262 |
|
std::map<TString,Float_t>::iterator s_it = it->jecScaleFactors.find("L2L3"); |
| 263 |
|
if (s_it == it->jecScaleFactors.end()) { |
| 264 |
|
std::cout << "JEC is not available for this jet!!!" << std::endl; |
| 267 |
|
float scale = s_it->second; |
| 268 |
|
TLorentzVector corrP4 = scale * it->momentum; |
| 269 |
|
|
| 270 |
< |
if(std::abs(corrP4.Eta()) > 3.0) continue; |
| 270 |
> |
if(std::abs(corrP4.Eta()) > 3.0 && skim ) continue; |
| 271 |
> |
if(corrP4.Et() < 30 && skim ) continue; |
| 272 |
|
thisjet->pt = corrP4.Et(); |
| 273 |
|
thisjet->eta = corrP4.Eta(); |
| 274 |
+ |
thisjet->phi = corrP4.Phi(); |
| 275 |
+ |
thisjet->bCSV = it->bTagDiscriminators[susy::kCSV]; |
| 276 |
+ |
if( loggingVerbosity > 2 ) |
| 277 |
+ |
std::cout << " p_T, jet = " << thisjet->pt << std::endl; |
| 278 |
+ |
|
| 279 |
|
jet.push_back( *thisjet ); |
| 280 |
+ |
ht += thisjet->pt; |
| 281 |
|
}// for jet |
| 282 |
|
}// if, else |
| 283 |
< |
if( jet.size() == 0 ) |
| 284 |
< |
std::cout << "error, no jets found " << std::endl; |
| 285 |
< |
else |
| 286 |
< |
std::sort( jet.begin(), jet.end(), tree::EtGreater); |
| 283 |
> |
if( jet.size() < 2 && skim ) |
| 284 |
> |
continue; |
| 285 |
> |
std::sort( jet.begin(), jet.end(), tree::EtGreater); |
| 286 |
> |
if( loggingVerbosity > 1 ) |
| 287 |
> |
std::cout << "Found " << jet.size() << " jets" << std::endl; |
| 288 |
> |
|
| 289 |
|
|
| 290 |
|
// met |
| 291 |
|
std::map<TString, susy::MET>::iterator met_it = event->metMap.find("pfMet"); |
| 292 |
|
susy::MET* metobj = &(met_it->second); |
| 293 |
|
met = metobj->met(); |
| 294 |
+ |
met_phi = metobj->mEt.Phi(); |
| 295 |
+ |
if( loggingVerbosity > 2 ) |
| 296 |
+ |
std::cout << " met = " << met << std::endl; |
| 297 |
+ |
|
| 298 |
+ |
std::map<TString, susy::MET>::iterator type1met_it = event->metMap.find("pfType1CorrectedMet"); |
| 299 |
+ |
susy::MET* type1metobj = &(type1met_it->second); |
| 300 |
+ |
type1met = type1metobj->met(); |
| 301 |
+ |
type1met_phi = type1metobj->mEt.Phi(); |
| 302 |
+ |
if( loggingVerbosity > 2 ) |
| 303 |
+ |
std::cout << " type1met = " << type1met << std::endl; |
| 304 |
+ |
|
| 305 |
+ |
// electrons |
| 306 |
+ |
tree::Particle* thiselectron = new tree::Particle(); |
| 307 |
+ |
|
| 308 |
+ |
map<TString, vector<susy::Electron> >::iterator eleMap = event->electrons.find("gsfElectrons"); |
| 309 |
+ |
if(eleMap == event->electrons.end() && loggingVerbosity > 0) { |
| 310 |
+ |
cout << "gsfElectrons not found!" << endl; |
| 311 |
+ |
} else { |
| 312 |
+ |
for(vector<susy::Electron>::iterator it = eleMap->second.begin(); it < eleMap->second.end(); ++it) { |
| 313 |
+ |
thiselectron->pt = it->momentum.Et(); |
| 314 |
+ |
if( thiselectron->pt < 20 ) |
| 315 |
+ |
continue; |
| 316 |
+ |
if( loggingVerbosity > 2 ) |
| 317 |
+ |
std::cout << " p_T, electron = " << it->momentum.Et() << std::endl; |
| 318 |
+ |
thiselectron->eta = it->momentum.Eta(); |
| 319 |
+ |
thiselectron->phi = it->momentum.Phi(); |
| 320 |
+ |
electron.push_back( *thiselectron ); |
| 321 |
+ |
} |
| 322 |
+ |
} |
| 323 |
+ |
if( loggingVerbosity > 1 ) |
| 324 |
+ |
std::cout << "Found " << electron.size() << " electrons" << std::endl; |
| 325 |
|
|
| 326 |
< |
// vertices |
| 326 |
> |
// this seems not to work yet, where is the bug? |
| 327 |
> |
/* |
| 328 |
> |
std::vector<susy::Electron> eVector = event->electrons["gsfElectronsx"]; |
| 329 |
> |
for( std::vector<susy::Electron>::iterator it = eVector.begin(); it != eVector.end(); ++it) { |
| 330 |
> |
thiselectron->pt = it->momentum.Et(); |
| 331 |
> |
if( thiselectron->pt < 20 ) |
| 332 |
> |
continue; |
| 333 |
> |
if( loggingVerbosity > 2 ) |
| 334 |
> |
std::cout << " p_T, electron = " << it->momentum.Et() << std::endl; |
| 335 |
> |
thiselectron->eta = it->momentum.Eta(); |
| 336 |
> |
thiselectron->phi = it->momentum.Phi(); |
| 337 |
> |
electron.push_back( *thiselectron ); |
| 338 |
> |
} |
| 339 |
> |
*/ |
| 340 |
|
|
| 341 |
+ |
// muons |
| 342 |
+ |
std::vector<susy::Muon> mVector = event->muons["muons"]; |
| 343 |
+ |
tree::Particle* thismuon = new tree::Particle(); |
| 344 |
+ |
for( std::vector<susy::Muon>::iterator it = mVector.begin(); it != mVector.end(); ++it) { |
| 345 |
+ |
thismuon->pt = it->momentum.Et(); |
| 346 |
+ |
if( thismuon->pt < 20 ) |
| 347 |
+ |
continue; |
| 348 |
+ |
thismuon->eta = it->momentum.Eta(); |
| 349 |
+ |
thismuon->phi = it->momentum.Phi(); |
| 350 |
+ |
muon.push_back( *thismuon ); |
| 351 |
+ |
} |
| 352 |
+ |
if( loggingVerbosity > 1 ) |
| 353 |
+ |
std::cout << "Found " << muon.size() << " muons" << std::endl; |
| 354 |
+ |
|
| 355 |
+ |
|
| 356 |
+ |
// vertices |
| 357 |
|
nVertex = event->vertices.size(); |
| 358 |
< |
weight = 1; |
| 358 |
> |
|
| 359 |
> |
if( ht < 450 && skim) |
| 360 |
> |
continue; |
| 361 |
|
|
| 362 |
|
tree->Fill(); |
| 363 |
|
} // for jentry |
| 364 |
|
|
| 365 |
|
|
| 188 |
– |
|
| 189 |
– |
tree->Write(); |
| 366 |
|
outFile->cd(); |
| 367 |
+ |
tree->Write(); |
| 368 |
|
outFile->Write(); |
| 369 |
|
outFile->Close(); |
| 370 |
|
} |
| 371 |
< |
/* |
| 195 |
< |
int main(int argc, char** argv) { |
| 196 |
< |
TreeWriter *tw = new TreeWriter("qcd-1000-nTuple-test.root", "myQCDTree.root"); |
| 197 |
< |
tw->SetProcessNEvents(10); |
| 198 |
< |
tw->Loop(); |
| 199 |
< |
} |
| 200 |
< |
*/ |
| 371 |
> |
|
