SimG4FastSimHistograms.h

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#ifndef SIMG4FAST_G4FASTSIMHISTOGRAMS_H
#define SIMG4FAST_G4FASTSIMHISTOGRAMS_H
 
// GAUDI
#include "Gaudi/Algorithm.h"
 
// FCCSW
#include "k4FWCore/DataHandle.h"
class ITHistSvc;
 
#include "edm4hep/RecoMCParticleLinkCollection.h"
 
// datamodel
namespace edm4hep {
class ReconstructedParticleCollection;
}
 
class TH1F;
 
class SimG4FastSimHistograms : public Gaudi::Algorithm {
public:
  explicit SimG4FastSimHistograms(const std::string&, ISvcLocator*);
  virtual ~SimG4FastSimHistograms();
  virtual StatusCode initialize() final;
  virtual StatusCode execute(const EventContext&) const final;
  virtual StatusCode finalize() final;
 
private:
  mutable DataHandle<edm4hep::RecoMCParticleLinkCollection> m_particlesMCparticles{"ParticlesMCparticles",
                                                                                  Gaudi::DataHandle::Reader, this};
  SmartIF<ITHistSvc> m_histSvc;
  // Histogram of the smeared particle's momentum
  TH1F* m_p{nullptr};
  // Histogram of the smeared particle's pseudorapidity
  TH1F* m_eta{nullptr};
  // Histogram of the difference between MC particle's and smeared particle's momentum
  TH1F* m_diffP{nullptr};
  // Histogram of the smeared particle's PDG code
  TH1F* m_pdg{nullptr};
};
#endif /* SIMG4FAST_G4FASTSIMHISTOGRAMS_H */