SimG4ParticleSmearRootFile.h

Go to the documentation of this file.

#ifndef SIMG4FAST_G4PARTICLESMEARROOTFILE_H
#define SIMG4FAST_G4PARTICLESMEARROOTFILE_H
 
// Gaudi
#include "GaudiKernel/AlgTool.h"
#include "GaudiKernel/RndmGenerators.h"
class IRndmGenSvc;
class IRndmGen;
 
// ROOT
#include "TGraph.h"
 
// FCCSW
#include "SimG4Interface/ISimG4ParticleSmearTool.h"
 
class SimG4ParticleSmearRootFile : public AlgTool, virtual public ISimG4ParticleSmearTool {
public:
  explicit SimG4ParticleSmearRootFile(const std::string& type, const std::string& name, const IInterface* parent);
  virtual ~SimG4ParticleSmearRootFile();
 
  virtual StatusCode initialize() final;
  virtual StatusCode finalize() final;
  virtual StatusCode smearMomentum(CLHEP::Hep3Vector& aMom, int aPdg = 0) final;
  StatusCode readResolutions();
  double resolution(double aEta, double aMom);
 
  virtual StatusCode checkConditions(double aMinMomentum, double aMaxMomentum, double aMaxEta) const final;
 
private:
  SmartIF<IRndmGenSvc> m_randSvc;
  IRndmGen* m_gauss;
  std::map<double, TGraph> m_momentumResolutions;
  Gaudi::Property<std::string> m_resolutionFileName{this, "filename", "",
                                                    "File name with the resolutions obtained from root file"};
  double m_minMomentum;
  double m_maxMomentum;
  double m_maxEta;
};
 
#endif /* SIMG4FAST_G4PARTICLESMEARROOTFILE_H */