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// $Id: CosmicCleaningMod.cc,v 1.0
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#include "MitPhysics/Mods/interface/CosmicCleaningMod.h"
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#include "MitCommon/MathTools/interface/MathUtils.h"
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#include "MitAna/DataTree/interface/Track.h"
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#include "MitPhysics/Init/interface/ModNames.h"
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using namespace mithep;
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ClassImp(mithep::CosmicCleaningMod)
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//--------------------------------------------------------------------------------------------------
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CosmicCleaningMod::CosmicCleaningMod(const char *name, const char *title) :
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BaseMod(name,title),
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fCosmicsName("random"),
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fCleanMuonsName(ModNames::gkCleanMuonsName),
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fCleanCosmicsName(ModNames::gkCleanCosmicsName),
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fCosmics(0)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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void CosmicCleaningMod::Process()
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{
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// Process entries of the tree.
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// get input collection
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const MuonCol *CleanMuons = GetObjThisEvt<MuonCol>(fCleanMuonsName);
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LoadEventObject(fCosmicsName, fCosmics);
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// Go through all cosmics and remove cosmic overlaps with collision muons and duplicates.
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std::vector<const Muon*> CleanCosTemp;
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if (fCosmics) {
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for (UInt_t i=0; i<fCosmics->GetEntries(); ++i) {
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const Muon *u = fCosmics->At(i);
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FourVectorM mom(u->Mom());
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// Check whether it overlaps with a good muon: If the muon and cosmic both have
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// tracker tracks then compare the tracks, otherwise
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Bool_t isMuonOverlap = kFALSE;
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if (CleanMuons) {
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UInt_t n = CleanMuons->GetEntries();
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for (UInt_t j=0; j<n; ++j) {
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Double_t deltaR = MathUtils::DeltaR(CleanMuons->At(j)->Mom(), mom);
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if (deltaR < 0.1) {
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isMuonOverlap = kTRUE;
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break;
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}
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}
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} else {
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cout << "Warning: GoodMuons collection " << fCleanMuonsName << " was not found.\n";
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}
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if (isMuonOverlap)
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continue;
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// Check whether it overlaps with another cosmic candidate:
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bool isCosmicOverlap = kFALSE;
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for (UInt_t j=0; j<CleanCosTemp.size(); ++j) {
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Double_t deltaR = MathUtils::DeltaR(CleanCosTemp[j]->Mom(), mom);
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if (deltaR < 0.1)
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isCosmicOverlap = kTRUE;
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}
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if (isCosmicOverlap)
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continue;
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// if no overlaps then add to clean cosmics
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CleanCosTemp.push_back(fCosmics->At(i));
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}
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} else {
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cout << "Warning: fCosmics collection " << fCosmicsName << " was not found.\n";
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}
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// Fill the muon array with the contents of the vector:
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MuonOArr *CleanCosmics = new MuonOArr;
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CleanCosmics->SetName(fCleanCosmicsName);
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for (UInt_t j=0; j<CleanCosTemp.size(); ++j) CleanCosmics->Add(CleanCosTemp[j]);
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CleanCosmics->Sort();
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// add to event for other modules to use
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AddObjThisEvt(CleanCosmics);
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}
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//--------------------------------------------------------------------------------------------------
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void CosmicCleaningMod::SlaveBegin()
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{
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ReqEventObject(fCosmicsName, fCosmics, kTRUE);
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}
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