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loizides |
1.3 |
// $Id: EffMod.cc,v 1.2 2009/06/29 08:41:50 loizides Exp $
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loizides |
1.1 |
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#include "MitPhysics/Mods/interface/EffMod.h"
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#include "MitAna/DataCont/interface/BaseCollection.h"
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#include "MitPhysics/Init/interface/ModNames.h"
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#include "MitCommon/MathTools/interface/MathUtils.h"
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#include <TH1D.h>
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using namespace mithep;
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ClassImp(mithep::EffMod)
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//--------------------------------------------------------------------------------------------------
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EffMod::EffMod(const char *name, const char *title) :
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BaseMod(name,title),
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fCol1Name(ModNames::gkMCLeptonsName),
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fCol2Name(ModNames::gkMergedLeptonsName),
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fMinPt(10),
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fMaxEta(2.4),
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fRadius(0.1),
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fPartType(MCParticle::kUnknown)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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void EffMod::Process()
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{
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// Process entries of the tree.
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const BaseCollection *col1 = GetObjThisEvt<BaseCollection>(fCol1Name);
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const BaseCollection *col2 = GetObjThisEvt<BaseCollection>(fCol2Name);
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UInt_t ents1 = 0;
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if (col1)
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ents1 = col1->GetEntries();
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UInt_t ents2 = 0;
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if (col2)
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ents2 = col2->GetEntries();
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Bool_t *found = new Bool_t[ents2];
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for (UInt_t i=0; i<ents2; ++i)
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found[i] = kFALSE;
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// find matches
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for (UInt_t j=0; j<ents1; ++j) {
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const Particle *p1 = dynamic_cast<const Particle*>(col1->ObjAt(j));
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if (!p1)
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continue;
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if (fPartType != MCParticle::kUnknown) {
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const MCParticle *mc = dynamic_cast<const MCParticle*>(p1);
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if (!mc || !mc->Is(fPartType))
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continue;
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}
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Double_t pt = p1->Pt();
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if (pt < fMinPt)
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continue;
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if (p1->AbsEta() > fMaxEta)
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continue;
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Double_t phi = p1->Phi();
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Double_t eta = p1->Eta();
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fCol1Pt->Fill(TMath::Min(pt, 299.999));
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fCol1Eta->Fill(eta);
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UInt_t foundInd = ents2;
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Double_t foundD = 1e12;
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for (UInt_t i=0; i<ents2; ++i) {
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if (found[i]) continue;
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const Particle *p2 = dynamic_cast<const Particle*>(col2->ObjAt(i));
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if (!p2)
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continue;
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if(MathUtils::DeltaR(phi, eta, p2->Phi(), p2->Eta()) < fRadius) {
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Double_t newDiff = TMath::Abs(pt - p2->Pt());
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if (newDiff < foundD) {
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foundInd = i;
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foundD = newDiff;
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}
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}
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}
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if (foundInd < ents2) {
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fCol2Pt->Fill(TMath::Min(p1->Pt(),299.999));
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fCol2Eta->Fill(p1->Eta());
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found[foundInd] = 1;
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}
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}
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// find fakes
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for (UInt_t i=0; i<ents2; ++i) {
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const Particle *p2 = dynamic_cast<const Particle*>(col2->ObjAt(i));
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if (!p2)
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continue;
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if (found[i]) {
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fGoodPt->Fill(TMath::Min(p2->Pt(),299.999));
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fGoodEta->Fill(p2->Eta());
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} else {
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fFakePt->Fill(TMath::Min(p2->Pt(),299.999));
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fFakeEta->Fill(p2->Eta());
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}
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}
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}
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//--------------------------------------------------------------------------------------------------
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void EffMod::SlaveBegin()
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{
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// Create and add histograms to the output list.
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loizides |
1.3 |
AddTH1(fCol1Pt,"hCol1Pt",";p_{t} [GeV];#",100,0,300);
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loizides |
1.1 |
AddTH1(fCol1Eta,"hCol1Eta",";#eta;#",50,-5,5);
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loizides |
1.3 |
AddTH1(fCol2Pt,"hCol2Pt",";p_{t} [GeV];#",100,0,300);
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loizides |
1.1 |
AddTH1(fCol2Eta,"hCol2Eta",";#eta;#",50,-5,5);
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loizides |
1.3 |
AddTH1(fGoodPt,"hGoodPt",";p_{t} [GeV];#",100,0,300);
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loizides |
1.1 |
AddTH1(fGoodEta,"hGoodEta",";#eta;#",50,-5,5);
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loizides |
1.3 |
AddTH1(fFakePt,"hFakePt",";p_{t} [GeV];#",100,0,300);
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loizides |
1.1 |
AddTH1(fFakeEta,"hFakeEta",";#eta;#",50,-5,5);
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}
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//--------------------------------------------------------------------------------------------------
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void EffMod::Terminate()
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{
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// Create and add ratio histograms to the output list.
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loizides |
1.2 |
if (gROOT->IsBatch()) {
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TH1D *pteff = static_cast<TH1D*>(fCol2Pt->Clone("hPtEff"));
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pteff->Divide(fCol1Pt);
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AddOutput(pteff);
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TH1D *etaeff = static_cast<TH1D*>(fCol2Eta->Clone("hEtaEff"));
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etaeff->Divide(fCol1Eta);
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AddOutput(etaeff);
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TH1D *ptfrate = static_cast<TH1D*>(fFakePt->Clone("hPtFakeRate"));
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ptfrate->Divide(fGoodPt);
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AddOutput(ptfrate);
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TH1D *etafrate = static_cast<TH1D*>(fFakeEta->Clone("hEtaFakeRate"));
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etafrate->Divide(fGoodEta);
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AddOutput(etafrate);
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}
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loizides |
1.1 |
}
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