HGCPassive.h

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// File: HGCPassive.cc
// copied from SimG4HGCalValidation
// Description: Main analysis class for HGCal Validation of G4 Hits

#include "SimG4Core/Notification/interface/BeginOfEvent.h"
#include "SimG4Core/Notification/interface/BeginOfRun.h"
#include "SimG4Core/Notification/interface/EndOfEvent.h"
#include "SimG4Core/Notification/interface/Observer.h"
#include "SimG4Core/Watcher/interface/SimProducer.h"

// to retreive hits
#include "SimDataFormats/CaloHit/interface/PassiveHit.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/PluginManager/interface/ModuleDef.h"
#include "SimG4Core/Watcher/interface/SimWatcherFactory.h"

#include "SimDataFormats/CaloHit/interface/PassiveHit.h"

#include "G4LogicalVolumeStore.hh"
#include "G4PhysicalVolumeStore.hh"
#include "G4Step.hh"
#include "G4TouchableHistory.hh"
#include "G4Track.hh"

#include <array>
#include <map>
#include <string>
#include <vector>

class HGCPassive : public SimProducer,
                   public Observer<const BeginOfRun *>,
                   public Observer<const BeginOfEvent *>,
                   public Observer<const G4Step *> {
public:
  HGCPassive(const edm::ParameterSet &p);
  ~HGCPassive() override;

  void produce(edm::Event &, const edm::EventSetup &) override;

private:
  HGCPassive(const HGCPassive &) = delete;  // stop default
  const HGCPassive &operator=(const HGCPassive &) = delete;

  // observer classes
  void update(const BeginOfRun *run) override;
  void update(const BeginOfEvent *evt) override;
  void update(const G4Step *step) override;

  // void endOfEvent(edm::PassiveHitContainer &HGCEEAbsE);
  void endOfEvent(edm::PassiveHitContainer &hgcPH, unsigned int k);

  typedef std::map<G4LogicalVolume *, std::pair<unsigned int, std::string>>::iterator volumeIterator;
  G4VPhysicalVolume *getTopPV();
  volumeIterator findLV(G4LogicalVolume *plv);
  void storeInfo(
      const volumeIterator itr, G4LogicalVolume *plv, unsigned int copy, double time, double energy, bool flag);

private:
  std::vector<std::string> LVNames_;
  G4VPhysicalVolume *topPV_;
  G4LogicalVolume *topLV_;
  std::map<G4LogicalVolume *, std::pair<unsigned int, std::string>> mapLV_;
  std::string motherName_;

  // some private members for ananlysis
  unsigned int count_;
  bool init_;
  std::map<std::pair<G4LogicalVolume *, unsigned int>, std::array<double, 3>> store_;
};