PFParticleCosmicAna_module.cc

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#include "art/Framework/Core/ModuleMacros.h"
#include "art/Framework/Core/EDAnalyzer.h"

#include "larpandora/LArPandoraInterface/LArPandoraHelper.h"

#include "TTree.h"

#include <string>

//------------------------------------------------------------------------------------------------------------------------------------------

namespace lar_pandora
{

class PFParticleCosmicAna : public art::EDAnalyzer
{
public:
     PFParticleCosmicAna(fhicl::ParameterSet const &pset);

     virtual ~PFParticleCosmicAna();

     void beginJob();
     void endJob();
     void analyze(const art::Event &evt);
     void reconfigure(fhicl::ParameterSet const &pset);

private:

     void FillRecoTree(const PFParticlesToHits &recoParticlesToHits, const PFParticlesToTracks &recoParticlesToTracks, 
         const TracksToCosmicTags &recoTracksToCosmicTags);

     void FillTrueTree(const HitVector &hitVector, const HitsToMCParticles &trueHitsToParticles, const HitsToPFParticles &recoHitsToParticles,
         const MCParticlesToMCTruth &particlesToTruth, const PFParticlesToTracks &particlesToTracks, const TracksToCosmicTags &tracksToCosmicTags);
    
     float GetCosmicScore(const art::Ptr<recob::PFParticle> particle, const PFParticlesToTracks &recoParticlesToTracks, 
         const TracksToCosmicTags &recoTracksToCosmicTags) const;

     TTree       *m_pRecoTree;              
     TTree       *m_pTrueTree;              

     int          m_run;                    
     int          m_event;                  
     int          m_index;                  

     int          m_self;                   
     int          m_pdgCode;                
     int          m_isTrackLike;            
     int          m_isPrimary;              
     float        m_cosmicScore;            
     int          m_nTracks;                
     int          m_nHits;                  
    
     float        m_trackVtxX;              
     float        m_trackVtxY;              
     float        m_trackVtxZ;              
     float        m_trackEndX;              
     float        m_trackEndY;              
     float        m_trackEndZ;              
     float        m_trackVtxDirX;           
     float        m_trackVtxDirY;           
     float        m_trackVtxDirZ;           
     float        m_trackEndDirX;           
     float        m_trackEndDirY;           
     float        m_trackEndDirZ;           
     float        m_trackLength;            
     float        m_trackWidthX;            
     float        m_trackWidthY;            
     float        m_trackWidthZ;            
     float        m_trackVtxDeltaYZ;        
     float        m_trackEndDeltaYZ;        

     int          m_trackVtxContained;      
     int          m_trackEndContained;      

     int          m_nNeutrinoHits;
     int          m_nNeutrinoHitsFullyTagged; 
     int          m_nNeutrinoHitsSemiTagged;
     int          m_nNeutrinoHitsNotTagged;
     int          m_nNeutrinoHitsNotReconstructed;
     int          m_nNeutrinoHitsReconstructed;

     int          m_nCosmicHits;
     int          m_nCosmicHitsFullyTagged; 
     int          m_nCosmicHitsSemiTagged;
     int          m_nCosmicHitsNotTagged;
     int          m_nCosmicHitsNotReconstructed;
     int          m_nCosmicHitsReconstructed;

     std::string  m_hitfinderLabel;         
     std::string  m_trackfitLabel;          
     std::string  m_particleLabel;          
     std::string  m_cosmicLabel;            
     std::string  m_geantModuleLabel;       

     bool         m_useDaughterPFParticles; 
     bool         m_useDaughterMCParticles; 

     double       m_cosmicContainmentCut;   
};

DEFINE_ART_MODULE(PFParticleCosmicAna)

} // namespace lar_pandora

//------------------------------------------------------------------------------------------------------------------------------------------
// implementation follows

#include "art/Framework/Principal/Event.h"
#include "fhiclcpp/ParameterSet.h"
#include "art/Framework/Principal/Handle.h"
#include "art/Framework/Services/Registry/ServiceHandle.h"
#include "art/Framework/Services/Optional/TFileService.h"
#include "art/Framework/Services/Optional/TFileDirectory.h"
#include "messagefacility/MessageLogger/MessageLogger.h"
#include "canvas/Persistency/Common/FindManyP.h"
#include "canvas/Persistency/Common/FindOneP.h"

#include "lardataobj/AnalysisBase/CosmicTag.h"
#include "larcore/Geometry/Geometry.h"
#include "lardataobj/RecoBase/PFParticle.h"
#include "lardataobj/RecoBase/Track.h"
#include "nusimdata/SimulationBase/MCTruth.h"

#include <iostream>

namespace lar_pandora
{

PFParticleCosmicAna::PFParticleCosmicAna(fhicl::ParameterSet const &pset) : art::EDAnalyzer(pset)
{
    this->reconfigure(pset);
}

//------------------------------------------------------------------------------------------------------------------------------------------

PFParticleCosmicAna::~PFParticleCosmicAna()
{
}

//------------------------------------------------------------------------------------------------------------------------------------------

void PFParticleCosmicAna::reconfigure(fhicl::ParameterSet const &pset)
{ 
    m_cosmicLabel = pset.get<std::string>("CosmicTagModule","cosmictagger");
    m_particleLabel = pset.get<std::string>("PFParticleModule","pandora");
    m_trackfitLabel = pset.get<std::string>("TrackFitModule","trackfit");
    m_hitfinderLabel = pset.get<std::string>("HitFinderModule","gaushit");
    m_geantModuleLabel = pset.get<std::string>("GeantModule","largeant");

    m_useDaughterPFParticles = pset.get<bool>("UseDaughterPFParticles",true);
    m_useDaughterMCParticles = pset.get<bool>("UseDaughterMCParticles",true);

    m_cosmicContainmentCut = pset.get<double>("CosmicContainmentCut",5.0);
}

//------------------------------------------------------------------------------------------------------------------------------------------

void PFParticleCosmicAna::beginJob()
{
    mf::LogDebug("LArPandora") << " *** PFParticleCosmicAna::beginJob() *** " << std::endl; 

    // 
    art::ServiceHandle<art::TFileService> tfs;
 
    m_pRecoTree = tfs->make<TTree>("recoTree", "LAr Cosmic Reco Tree");
    m_pRecoTree->Branch("run", &m_run, "run/I");
    m_pRecoTree->Branch("event", &m_event, "event/I");
    m_pRecoTree->Branch("index", &m_index, "index/I");
    m_pRecoTree->Branch("self", &m_self, "self/I");
    m_pRecoTree->Branch("pdgCode", &m_pdgCode, "pdgCode/I"); 
    m_pRecoTree->Branch("isTrackLike", &m_isTrackLike, "isTrackLike/I");
    m_pRecoTree->Branch("isPrimary", &m_isPrimary, "isPrimary/I");
    m_pRecoTree->Branch("cosmicScore", &m_cosmicScore, "cosmicScore/F");
    m_pRecoTree->Branch("trackVtxX", &m_trackVtxX, "trackVtxX/F");
    m_pRecoTree->Branch("trackVtxY", &m_trackVtxY, "trackVtxY/F");
    m_pRecoTree->Branch("trackVtxZ", &m_trackVtxZ, "trackVtxZ/F");
    m_pRecoTree->Branch("trackEndX", &m_trackEndX, "trackEndX/F");
    m_pRecoTree->Branch("trackEndY", &m_trackEndY, "trackEndY/F");
    m_pRecoTree->Branch("trackEndZ", &m_trackEndZ, "trackEndZ/F");
    m_pRecoTree->Branch("trackVtxDirX", &m_trackVtxDirX, "trackVtxDirX/F");
    m_pRecoTree->Branch("trackVtxDirY", &m_trackVtxDirY, "trackVtxDirY/F");
    m_pRecoTree->Branch("trackVtxDirZ", &m_trackVtxDirZ, "trackVtxDirZ/F");
    m_pRecoTree->Branch("trackEndDirX", &m_trackEndDirX, "trackEndDirX/F");
    m_pRecoTree->Branch("trackEndDirY", &m_trackEndDirY, "trackEndDirY/F");
    m_pRecoTree->Branch("trackEndDirZ", &m_trackEndDirZ, "trackEndDirZ/F");
    m_pRecoTree->Branch("trackLength", &m_trackLength, "trackLength/F");
    m_pRecoTree->Branch("trackWidthX", &m_trackWidthX, "trackWidthX/F");
    m_pRecoTree->Branch("trackWidthY", &m_trackWidthY, "trackWidthY/F");
    m_pRecoTree->Branch("trackWidthZ", &m_trackWidthZ, "trackWidthZ/F");
    m_pRecoTree->Branch("trackVtxDeltaYZ", &m_trackVtxDeltaYZ, "trackVtxDeltaYZ/F");
    m_pRecoTree->Branch("trackEndDeltaYZ", &m_trackEndDeltaYZ, "trackEndDeltaYZ/F");
    m_pRecoTree->Branch("trackVtxContained", &m_trackVtxContained, "trackVtxContained/I");
    m_pRecoTree->Branch("trackEndContained", &m_trackEndContained, "trackEndContained/I");
    m_pRecoTree->Branch("nTracks", &m_nTracks, "nTracks/I");
    m_pRecoTree->Branch("nHits", &m_nHits, "nHits/I");  

    m_pTrueTree = tfs->make<TTree>("trueTree", "LAr Cosmic True Tree");
    m_pTrueTree->Branch("run", &m_run, "run/I");
    m_pTrueTree->Branch("event", &m_event, "event/I");
    m_pTrueTree->Branch("nHits", &m_nHits, "nHits/I");  
    m_pTrueTree->Branch("nNeutrinoHits", &m_nNeutrinoHits, "nNeutrinoHits/I");
    m_pTrueTree->Branch("nNeutrinoHitsFullyTagged", &m_nNeutrinoHitsFullyTagged, "nNeutrinoHitsFullyTagged/I");
    m_pTrueTree->Branch("nNeutrinoHitsSemiTagged", &m_nNeutrinoHitsSemiTagged, "nNeutrinoHitsSemiTagged/I");
    m_pTrueTree->Branch("nNeutrinoHitsNotTagged", &m_nNeutrinoHitsNotTagged, "nNeutrinoHitsNotTagged/I");
    m_pTrueTree->Branch("nNeutrinoHitsNotReconstructed", &m_nNeutrinoHitsNotReconstructed, "nNeutrinoHitsNotReconstructed/I");
    m_pTrueTree->Branch("nNeutrinoHitsReconstructed", &m_nNeutrinoHitsReconstructed, "nNeutrinoHitsReconstructed/I");
    m_pTrueTree->Branch("nCosmicHits", &m_nCosmicHits, "nCosmicHits/I");
    m_pTrueTree->Branch("nCosmicHitsFullyTagged", &m_nCosmicHitsFullyTagged, "nCosmicHitsFullyTagged/I");
    m_pTrueTree->Branch("nCosmicHitsSemiTagged", &m_nCosmicHitsSemiTagged, "nCosmicHitsSemiTagged/I");
    m_pTrueTree->Branch("nCosmicHitsNotTagged", &m_nCosmicHitsNotTagged, "nCosmicHitsNotTagged/I");
    m_pTrueTree->Branch("nCosmicHitsNotReconstructed", &m_nCosmicHitsNotReconstructed, "nCosmicHitsNotReconstructed/I");
    m_pTrueTree->Branch("nCosmicHitsReconstructed", &m_nCosmicHitsReconstructed, "nCosmicHitsReconstructed/I");
}

//------------------------------------------------------------------------------------------------------------------------------------------

void PFParticleCosmicAna::endJob()
{
}

//------------------------------------------------------------------------------------------------------------------------------------------

void PFParticleCosmicAna::analyze(const art::Event &evt)
{
    std::cout << " *** PFParticleCosmicAna::analyze(...) *** " << std::endl;

    // 
    // Note: I've made this is MicroBooNE-only module
    //

    m_run = evt.run();
    m_event = evt.id().event();
  
    std::cout << "  Run: " << m_run << std::endl;
    std::cout << "  Event: " << m_event << std::endl; 


    // Collect True Particles
    // ======================
    HitVector hitVector;
    MCTruthToMCParticles truthToParticles;
    MCParticlesToMCTruth particlesToTruth;
    MCParticlesToHits trueParticlesToHits;
    HitsToMCParticles trueHitsToParticles;

    LArPandoraHelper::CollectHits(evt, m_hitfinderLabel, hitVector);
    LArPandoraHelper::CollectMCParticles(evt, m_geantModuleLabel, truthToParticles, particlesToTruth);
    LArPandoraHelper::BuildMCParticleHitMaps(evt, m_geantModuleLabel, hitVector, trueParticlesToHits, trueHitsToParticles,
        (m_useDaughterMCParticles ? LArPandoraHelper::kAddDaughters : LArPandoraHelper::kIgnoreDaughters));


    // Collect Reco Particles
    // ======================
    PFParticleVector recoParticleVector;
    PFParticlesToHits recoParticlesToHits;
    HitsToPFParticles recoHitsToParticles;

    LArPandoraHelper::CollectPFParticles(evt, m_particleLabel, recoParticleVector);
    LArPandoraHelper::BuildPFParticleHitMaps(evt, m_particleLabel, m_particleLabel, recoParticlesToHits, recoHitsToParticles, 
        (m_useDaughterPFParticles ? LArPandoraHelper::kAddDaughters : LArPandoraHelper::kIgnoreDaughters));

    std::cout << "  PFParticles: " << recoParticleVector.size() << std::endl;


    // Collect Reco Tracks
    // ===================
    TrackVector recoTrackVector;
    PFParticlesToTracks recoParticlesToTracks;
    LArPandoraHelper::CollectTracks(evt, m_trackfitLabel, recoTrackVector, recoParticlesToTracks);


    // Collect Cosmic Tags
    // =====================
    CosmicTagVector recoCosmicTagVector;
    TracksToCosmicTags recoTracksToCosmicTags;
    LArPandoraHelper::CollectCosmicTags(evt, m_cosmicLabel, recoCosmicTagVector, recoTracksToCosmicTags);


    // Analyse Reconstructed Particles
    // ===============================
    this->FillRecoTree(recoParticlesToHits, recoParticlesToTracks, recoTracksToCosmicTags);


    // Analyse True Hits
    // =================
    this->FillTrueTree(hitVector, trueHitsToParticles, recoHitsToParticles, particlesToTruth, recoParticlesToTracks, recoTracksToCosmicTags);
}

//------------------------------------------------------------------------------------------------------------------------------------------
    
void PFParticleCosmicAna::FillRecoTree(const PFParticlesToHits &recoParticlesToHits, const PFParticlesToTracks &recoParticlesToTracks, 
    const TracksToCosmicTags &recoTracksToCosmicTags)
{   
    // Set up Geometry Service
    // =======================
    art::ServiceHandle<geo::Geometry> theGeometry;   

    const double xmin(0.0);
    const double xmax(2.0 * theGeometry->DetHalfWidth());
    const double ymin(-theGeometry->DetHalfHeight());
    const double ymax(+theGeometry->DetHalfHeight());
    const double zmin(0.0);
    const double zmax(theGeometry->DetLength());
    const double xyzCut(m_cosmicContainmentCut); 

    m_index = 0;

    m_self = 0;
    m_pdgCode = 0;
    m_isTrackLike = 0;
    m_isPrimary = 0;
    m_cosmicScore = 0.f;

    m_trackVtxX = 0.f;
    m_trackVtxY = 0.f;
    m_trackVtxZ = 0.f;
    m_trackEndX = 0.f;
    m_trackEndY = 0.f;
    m_trackEndZ = 0.f;
    m_trackVtxDirX = 0.f;
    m_trackVtxDirY = 0.f;
    m_trackVtxDirZ = 0.f;
    m_trackEndDirX = 0.f;
    m_trackEndDirY = 0.f;
    m_trackEndDirZ = 0.f;
    m_trackLength = 0.f;
    m_trackWidthX = 0.f;
    m_trackWidthY = 0.f;
    m_trackWidthZ = 0.f;
    m_trackVtxDeltaYZ = 0.f;
    m_trackEndDeltaYZ = 0.f;

    m_trackVtxContained = 0;
    m_trackEndContained = 0;

    m_nTracks = 0;
    m_nHits = 0;
    
    // Loop over Reco Particles
    // ========================
    for (PFParticlesToHits::const_iterator iter1 = recoParticlesToHits.begin(), iterEnd1 = recoParticlesToHits.end();
        iter1 != iterEnd1; ++iter1)
    {
        const art::Ptr<recob::PFParticle> recoParticle = iter1->first;

        const HitVector &hitVector = iter1->second;
        if (hitVector.empty())
            continue;

        PFParticlesToTracks::const_iterator iter2 = recoParticlesToTracks.find(recoParticle);
        if (recoParticlesToTracks.end() == iter2)
            continue;

        const TrackVector &trackVector = iter2->second;
        if (trackVector.empty())
            continue;
  
        m_nHits           = hitVector.size();
        m_nTracks         = trackVector.size(); 

        m_self            = recoParticle->Self();
        m_pdgCode         = recoParticle->PdgCode();
        m_isPrimary       = recoParticle->IsPrimary();
        m_isTrackLike     = LArPandoraHelper::IsTrack(recoParticle);
        m_cosmicScore     = this->GetCosmicScore(recoParticle, recoParticlesToTracks, recoTracksToCosmicTags);

        m_trackVtxX       = 0.f;
        m_trackVtxY       = 0.f;
        m_trackVtxZ       = 0.f;
        m_trackEndX       = 0.f;
        m_trackEndY       = 0.f;
        m_trackEndZ       = 0.f;
        m_trackVtxDirX    = 0.f;
        m_trackVtxDirY    = 0.f;
        m_trackVtxDirZ    = 0.f;
        m_trackEndDirX    = 0.f;
        m_trackEndDirY    = 0.f;
        m_trackEndDirZ    = 0.f;
        m_trackLength     = 0.f;
        m_trackWidthX     = 0.f;
        m_trackWidthY     = 0.f;
        m_trackWidthZ     = 0.f;
        m_trackVtxDeltaYZ = 0.f;
        m_trackEndDeltaYZ = 0.f; 

        m_trackVtxContained = 0;
        m_trackEndContained = 0;  

        for (TrackVector::const_iterator iter3 = trackVector.begin(), iterEnd3 = trackVector.end(); iter3 != iterEnd3; ++iter3)
        {
            const art::Ptr<recob::Track> track = *iter3;
            const float trackLength(track->Length());

            if (trackLength < m_trackLength)
                continue;

            m_trackLength = trackLength;    

            const TVector3 &trackVtxPosition = track->Vertex();
            const TVector3 &trackVtxDirection = track->VertexDirection();
            const TVector3 &trackEndPosition = track->End();
            const TVector3 &trackEndDirection = track->EndDirection();
                
            m_trackVtxX    = trackVtxPosition.x();
            m_trackVtxY    = trackVtxPosition.y();
            m_trackVtxZ    = trackVtxPosition.z();
            m_trackVtxDirX = trackVtxDirection.x();
            m_trackVtxDirY = trackVtxDirection.y();
            m_trackVtxDirZ = trackVtxDirection.z();
            m_trackEndX    = trackEndPosition.x();
            m_trackEndY    = trackEndPosition.y();
            m_trackEndZ    = trackEndPosition.z();
            m_trackEndDirX = trackEndDirection.x();
            m_trackEndDirY = trackEndDirection.y();
            m_trackEndDirZ = trackEndDirection.z();

            m_trackWidthX = std::fabs(m_trackEndX - m_trackVtxX);
            m_trackWidthY = std::fabs(m_trackEndY - m_trackVtxY);
            m_trackWidthZ = std::fabs(m_trackEndZ - m_trackVtxZ);
        
            m_trackVtxDeltaYZ = std::min((ymax - m_trackVtxY), std::min((m_trackVtxZ - zmin), (zmax - m_trackVtxZ)));
            m_trackEndDeltaYZ = std::min((m_trackEndY - ymin), std::min((m_trackEndZ - zmin), (zmax - m_trackEndZ)));

            m_trackVtxContained = ((m_trackVtxX > xmin + xyzCut && m_trackVtxX < xmax - xyzCut) &&
                                   (m_trackVtxY > ymin + xyzCut && m_trackVtxY < ymax - xyzCut) &&
                                   (m_trackVtxZ > zmin + xyzCut && m_trackVtxZ < zmax - xyzCut));
            m_trackEndContained = ((m_trackEndX > xmin + xyzCut && m_trackEndX < xmax - xyzCut) &&
                                   (m_trackEndY > ymin + xyzCut && m_trackEndY < ymax - xyzCut) &&
                                   (m_trackEndZ > zmin + xyzCut && m_trackEndZ < zmax - xyzCut));
        }

        std::cout << "   PFParticle: [" << m_index << "] nHits=" << m_nHits 
                  << ", nTracks=" << m_nTracks << ", cosmicScore=" << m_cosmicScore << std::endl;

        m_pRecoTree->Fill();
        ++m_index;
    }
}

//------------------------------------------------------------------------------------------------------------------------------------------
 
void PFParticleCosmicAna::FillTrueTree(const HitVector &hitVector, const HitsToMCParticles &trueHitsToParticles, 
    const HitsToPFParticles &recoHitsToParticles, const MCParticlesToMCTruth &particlesToTruth, const PFParticlesToTracks &particlesToTracks, 
    const TracksToCosmicTags &tracksToCosmicTags)
{
    m_nHits = 0;

    m_nNeutrinoHits = 0;
    m_nNeutrinoHitsFullyTagged = 0; 
    m_nNeutrinoHitsSemiTagged = 0;
    m_nNeutrinoHitsNotTagged = 0;
    m_nNeutrinoHitsNotReconstructed = 0;
    m_nNeutrinoHitsReconstructed = 0;

    m_nCosmicHits = 0;
    m_nCosmicHitsFullyTagged = 0; 
    m_nCosmicHitsSemiTagged = 0;
    m_nCosmicHitsNotTagged = 0;
    m_nCosmicHitsNotReconstructed = 0;
    m_nCosmicHitsReconstructed = 0;

    for (HitVector::const_iterator iter2 = hitVector.begin(), iterEnd2 = hitVector.end(); iter2 != iterEnd2; ++iter2)
    {
        const art::Ptr<recob::Hit> hit = *iter2;

        HitsToMCParticles::const_iterator iter3 = trueHitsToParticles.find(hit);
        if (trueHitsToParticles.end() == iter3)
            continue;

        const art::Ptr<simb::MCParticle> trueParticle = iter3->second;

        MCParticlesToMCTruth::const_iterator iter4 = particlesToTruth.find(trueParticle);
        if (particlesToTruth.end() == iter4)
            throw cet::exception("LArPandora") << " PFParticleCosmicAna::analyze --- Found a true particle without any ancestry information ";
        
        const art::Ptr<simb::MCTruth> truth = iter4->second;

        float cosmicScore(-0.2);

        HitsToPFParticles::const_iterator iter5 = recoHitsToParticles.find(hit);
        if (recoHitsToParticles.end() != iter5)
        {
            const art::Ptr<recob::PFParticle> particle = iter5->second;
            cosmicScore = this->GetCosmicScore(particle, particlesToTracks, tracksToCosmicTags);
        }

        ++m_nHits;

        if (truth->NeutrinoSet())
        {
            ++m_nNeutrinoHits; 
        
            if (cosmicScore >= 0) ++m_nNeutrinoHitsReconstructed;
            else                  ++m_nNeutrinoHitsNotReconstructed;

            if (cosmicScore > 0.51)       ++m_nNeutrinoHitsFullyTagged;
            else if ( cosmicScore > 0.39) ++m_nNeutrinoHitsSemiTagged;
            else                          ++m_nNeutrinoHitsNotTagged;  
        }
        else
        {
            ++m_nCosmicHits;
                       
            if (cosmicScore >= 0) ++m_nCosmicHitsReconstructed;
            else                  ++m_nCosmicHitsNotReconstructed;

            if (cosmicScore > 0.51)       ++m_nCosmicHitsFullyTagged;
            else if ( cosmicScore > 0.39) ++m_nCosmicHitsSemiTagged;
            else                          ++m_nCosmicHitsNotTagged;   
        }
    } 

    m_pTrueTree->Fill();
}
 
//------------------------------------------------------------------------------------------------------------------------------------------

float PFParticleCosmicAna::GetCosmicScore(const art::Ptr<recob::PFParticle> particle, const PFParticlesToTracks &recoParticlesToTracks, 
    const TracksToCosmicTags &recoTracksToCosmicTags) const
{
    float cosmicScore(0.f);

    // Get cosmic tags associated with this particle
    PFParticlesToTracks::const_iterator iter2 = recoParticlesToTracks.find(particle);
    if (recoParticlesToTracks.end() != iter2)
    {
        for (TrackVector::const_iterator iter3 = iter2->second.begin(), iterEnd3 = iter2->second.end(); iter3 != iterEnd3; ++iter3)
        {
            const art::Ptr<recob::Track> track = *iter3;
                
             TracksToCosmicTags::const_iterator iter4 = recoTracksToCosmicTags.find(track);
             if (recoTracksToCosmicTags.end() != iter4)
             {
                 for (CosmicTagVector::const_iterator iter5 = iter4->second.begin(), iterEnd5 = iter4->second.end(); 
                     iter5 != iterEnd5; ++iter5)
                 {
                     const art::Ptr<anab::CosmicTag> cosmicTag = *iter5;
                     if (cosmicTag->CosmicScore() > cosmicScore)
                         cosmicScore = cosmicTag->CosmicScore();
                 }
             }
        }
    }

    return cosmicScore;
}

} //namespace lar_pandora