ParticleVertexFitterModule.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2010 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Marko Staric, Luigi Li Gioi, Anze Zupanc                 *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
 
#pragma once
 
#include <framework/core/Module.h>
#include <string>
#include <analysis/DecayDescriptor/DecayDescriptor.h>
 
// DataStore
#include <framework/database/DBObjPtr.h>
 
// DataObjects
#include <mdst/dbobjects/BeamSpot.h>
 
// KFit
#include <analysis/VertexFitting/KFit/MassFitKFit.h>
#include <analysis/VertexFitting/KFit/FourCFitKFit.h>
#include <analysis/VertexFitting/KFit/MassPointingVertexFitKFit.h>
#include <analysis/VertexFitting/KFit/MassVertexFitKFit.h>
#include <analysis/VertexFitting/KFit/VertexFitKFit.h>
#include <analysis/VertexFitting/KFit/MakeMotherKFit.h>
 
// Rave
#include <analysis/VertexFitting/RaveInterface/RaveSetup.h>
#include <analysis/VertexFitting/RaveInterface/RaveVertexFitter.h>
#include <analysis/VertexFitting/RaveInterface/RaveKinematicVertexFitter.h>
 
namespace Belle2 {
  class Particle;
 
  class ParticleVertexFitterModule : public Module {
 
  public:
 
    ParticleVertexFitterModule();
 
    virtual void initialize() override;
 
    virtual void beginRun() override;
 
    virtual void event() override;
 
  private:
 
    std::string m_listName;       
    double m_confidenceLevel;     
    double m_Bfield;              
    std::string m_vertexFitter;   
    std::string m_fitType;        
    std::string m_withConstraint; 
    std::string m_decayString;    
    bool m_updateDaughters;       
    DecayDescriptor m_decaydescriptor; 
    bool m_hasCovMatrix = false;      
    TVector3 m_BeamSpotCenter;    
    TMatrixDSym m_beamSpotCov;    
    DBObjPtr<BeamSpot> m_beamSpotDB;
    double m_smearing;            
    bool doVertexFit(Particle* p);
 
    bool doKVertexFit(Particle* p, bool ipProfileConstraint, bool ipTubeConstraint);
 
    bool doKMassVertexFit(Particle* p);
 
    bool doKMassPointingVertexFit(Particle* p);
 
    bool doKMassFit(Particle* p);
 
    bool doKFourCFit(Particle* p);
 
    bool makeKVertexMother(analysis::VertexFitKFit& kv, Particle* p);
 
    bool makeKMassVertexMother(analysis::MassVertexFitKFit& kv, Particle* p);
 
    bool makeKMassPointingVertexMother(analysis::MassPointingVertexFitKFit& kv, Particle* p);
 
    bool makeKMassMother(analysis::MassFitKFit& kv, Particle* p);
 
    bool makeKFourCMother(analysis::FourCFitKFit& kv, Particle* p);
 
    void updateMapOfTrackAndDaughter(unsigned& l, std::vector<std::vector<unsigned>>& pars, std::vector<unsigned>& pard,
                                     std::vector<Particle*>&  allparticles, const Particle* daughter);
 
    bool addChildofParticletoKFit(analysis::FourCFitKFit& kv, const Particle* particle);
 
    void addIPProfileToKFit(analysis::VertexFitKFit& kv);
 
    void addIPTubeToKFit(analysis::VertexFitKFit& kv);
 
    bool fillFitParticles(const Particle* mother, std::vector<const Particle*>& fitChildren, std::vector<const Particle*>& pi0Children);
 
    bool redoPi0MassFit(Particle* pi0Temp, const Particle* pi0Orig, const analysis::VertexFitKFit& kv) ;
 
    bool doRaveFit(Particle* mother);
 
    bool allSelectedDaughters(const Particle* mother, const std::vector<const Particle*>& tracksVertex);
 
    void findConstraintBoost(double cut);
 
    void smearBeamSpot(double width);
  };
 
} // Belle2 namespace