TracksClusteringFromDisplacedSeed.h

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#include <memory>

#include "FWCore/Framework/interface/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "TrackingTools/TransientTrack/interface/TransientTrack.h"
#include "TrackingTools/TransientTrack/interface/TransientTrackBuilder.h"
#include "TrackingTools/Records/interface/TransientTrackRecord.h"

#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "DataFormats/BeamSpot/interface/BeamSpot.h"

#include "TrackingTools/PatternTools/interface/TwoTrackMinimumDistance.h"
#include "TrackingTools/IPTools/interface/IPTools.h"

//#define VTXDEBUG

class TracksClusteringFromDisplacedSeed {
    public:
    struct Cluster 
    { 
      GlobalPoint seedPoint;  
      reco::TransientTrack seedingTrack;
      std::vector<reco::TransientTrack> tracks;
    };
    TracksClusteringFromDisplacedSeed(const edm::ParameterSet &params);
    
    
        std::vector<Cluster> clusters(
      const reco::Vertex    &pv,
      const std::vector<reco::TransientTrack> & selectedTracks
     );
     

    private:
    bool trackFilter(const reco::TrackRef &track) const;
        std::pair<std::vector<reco::TransientTrack>,GlobalPoint> nearTracks(const reco::TransientTrack &seed, const std::vector<reco::TransientTrack> & tracks, const reco::Vertex & primaryVertex) const;

//  unsigned int                maxNTracks;
        double                  min3DIPSignificance;
        double                  min3DIPValue;
        double                  clusterMaxDistance;
        double                  clusterMaxSignificance;
        double                  clusterScale;
        double                  clusterMinAngleCosine;


};