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ceballos |
1.2 |
// $Id: ElectronCleaningMod.cc,v 1.1 2008/10/15 06:05:00 loizides Exp $
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loizides |
1.1 |
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#include "MitPhysics/Mods/interface/ElectronCleaningMod.h"
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#include <TH1D.h>
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#include <TH2D.h>
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#include "MitAna/DataTree/interface/Names.h"
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#include "MitAna/DataCont/interface/ObjArray.h"
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#include "MitPhysics/Utils/interface/IsolationTools.h"
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#include "MitCommon/MathTools/interface/MathUtils.h"
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using namespace mithep;
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ClassImp(mithep::ElectronCleaningMod)
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//--------------------------------------------------------------------------------------------------
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ElectronCleaningMod::ElectronCleaningMod(const char *name, const char *title) :
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BaseMod(name,title),
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fPrintDebug(false),
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fGoodElectronsName(Names::gkGoodElectronsName),
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fCleanMuonsName(Names::gkCleanMuonsName),
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fCleanElectronsName(Names::gkCleanElectronsName),
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fMuons(0),
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fElectrons(0),
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fNEventsProcessed(0)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronCleaningMod::Begin()
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{
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// Run startup code on the client machine. For this module, we dont do
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// anything here.
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronCleaningMod::Process()
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{
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// Process entries of the tree. For this module, we just load the branches and
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//output debug info or not
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fNEventsProcessed++;
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ceballos |
1.2 |
if (fNEventsProcessed % 1000000 == 0 || fPrintDebug) {
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loizides |
1.1 |
time_t systime;
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systime = time(NULL);
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cerr << endl << "ElectronCleaningMod : Process Event " << fNEventsProcessed << " Time: " << ctime(&systime) << endl;
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}
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//Get Clean Muons
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ObjArray<Muon> *CleanMuons = dynamic_cast<ObjArray<Muon>* >
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(FindObjThisEvt(fCleanMuonsName.Data()));
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//Get Good ID Electrons
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ObjArray<Electron> *GoodElectrons = dynamic_cast<ObjArray<Electron>* >
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(FindObjThisEvt(fGoodElectronsName.Data()));
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vector<Electron*> CleanElectronsVector;
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//Go through all electrons and remove electron overlaps with muons and duplicates
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for (UInt_t i=0; i<GoodElectrons->GetEntries(); ++i) {
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Electron *e = GoodElectrons->At(i);
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//Check whether it overlaps with a good muon. If the muon and electron both have
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//proper tracker tracks then compare the tracks. otherwise check dR
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bool isMuonOverlap = false;
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for (UInt_t j=0; j<CleanMuons->GetEntries();j++) {
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if (CleanMuons->At(j)->TrackerTrk() && e->TrackerTrk()) {
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isMuonOverlap = (CleanMuons->At(j)->TrackerTrk() == e->TrackerTrk());
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if (isMuonOverlap)
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break;
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} else {
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double deltaR = MathUtils::DeltaR(CleanMuons->At(j)->Mom(), e->Mom());
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if (deltaR < 0.1) {
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isMuonOverlap = true;
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break;
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}
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}
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}
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//Check whether it overlaps with another electron candidate
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//Here I check whether we have two electron candidates with the same super cluster
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//or two electron candidates with the same track. At the end we also check deltaR
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//to be sure. If there is a duplicate we swap the old one with the new one if the new
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//one has E/P closer to 1.0
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bool isElectronOverlap = false;
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for (UInt_t j=0; j<CleanElectronsVector.size(); j++) {
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if (e->SCluster() == CleanElectronsVector[j]->SCluster() ||
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e->Trk() == CleanElectronsVector[j]->Trk())
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isElectronOverlap = true;
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double deltaR = MathUtils::DeltaR(CleanElectronsVector[j]->Mom(), e->Mom());
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if (deltaR < 0.1)
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isElectronOverlap = true;
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if (isElectronOverlap) {
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if (abs(CleanElectronsVector[j]->ESuperClusterOverP() - 1) >
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abs(e->ESuperClusterOverP() - 1)) {
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CleanElectronsVector[j] = e;
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}
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break;
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}
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}
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//If no overlaps then add to clean electrons
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if ( !isMuonOverlap && !isElectronOverlap ) {
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CleanElectronsVector.push_back(GoodElectrons->At(i));
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}
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}
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//fill the electron ObjArray with the contents of the vector
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//this is necessary because I want to swap out the duplicates, can't be done with ObjArray...
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ObjArray<Electron> *CleanElectrons = new ObjArray<Electron>;
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for (UInt_t j=0; j<CleanElectronsVector.size(); j++)
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CleanElectrons->Add(CleanElectronsVector[j]);
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//Final Summary Debug Output
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if ( fPrintDebug ) {
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cerr << "Event Dump: " << fNEventsProcessed << endl;
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//print out event content to text
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cerr << "Clean Electrons" << endl;
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for (UInt_t i = 0; i < CleanElectrons->GetEntries(); i++) {
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cerr << i << " " << CleanElectrons->At(i)->Pt() << " " << CleanElectrons->At(i)->Eta()
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<< " " << CleanElectrons->At(i)->Phi() << " "
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<< CleanElectrons->At(i)->ESuperClusterOverP() << endl;
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}
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}
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//Save Objects for Other Modules to use
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AddObjThisEvt(CleanElectrons, fCleanElectronsName.Data());
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronCleaningMod::SlaveBegin()
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{
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// Run startup code on the computer (slave) doing the actual analysis. Here,
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// we typically initialize histograms and other analysis objects and request
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// branches. For this module, we request a branch of the MitTree.
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronCleaningMod::SlaveTerminate()
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{
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// Run finishing code on the computer (slave) that did the analysis. For this
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// module, we dont do anything here.
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronCleaningMod::Terminate()
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{
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// Run finishing code on the client computer. For this module, we dont do
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// anything here.
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}
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