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geant4/examples/basic/B5/include/EventAction.hh
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2021-12-10 16:15:15 +00:00

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//
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/// \file EventAction.hh
/// \brief Definition of the B5::EventAction class
#ifndef B5EventAction_h
#define B5EventAction_h 1
#include "Constants.hh"
#include "G4UserEventAction.hh"
#include "globals.hh"
#include <vector>
#include <array>
// named constants
const G4int kEm = 0;
const G4int kHad = 1;
const G4int kH1 = 0;
const G4int kH2 = 1;
const G4int kDim = 2;
namespace B5
{
/// Event action
class EventAction : public G4UserEventAction
{
public:
EventAction();
~EventAction() override;
void BeginOfEventAction(const G4Event*) override;
void EndOfEventAction(const G4Event*) override;
std::vector<G4double>& GetEmCalEdep() { return fCalEdep[kEm]; }
std::vector<G4double>& GetHadCalEdep() { return fCalEdep[kHad]; }
private:
// hit collections Ids
std::array<G4int, kDim> fHodHCID = { -1, -1 };
std::array<G4int, kDim> fDriftHCID = { -1, -1 };
std::array<G4int, kDim> fCalHCID = { -1, -1 };
// histograms Ids
std::array<std::array<G4int, kDim>, kDim> fDriftHistoID
{{ {{ -1, -1 }}, {{ -1, -1 }} }};
// std::array<T, N> is an aggregate that contains a C array.
// To initialize it, we need outer braces for the class itself
// and inner braces for the C array
// energy deposit in calorimeters cells
std::array<std::vector<G4double>, kDim> fCalEdep
{{ std::vector<G4double>(kNofEmCells, 0.), std::vector<G4double>(kNofHadCells, 0.) }};
};
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
#endif