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geant4/examples/advanced/CaTS/include/PrimaryGeneratorAction.hh
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2021-12-10 16:15:15 +00:00

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//
// ********************************************************************
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// * *
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// ********************************************************************
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//
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//
// CaTS (Calorimetry and Tracking Simulation)
//
// Authors : Hans Wenzel
// Soon Yung Jun
// (Fermi National Accelerator Laboratory)
//
// History
// October 18th, 2021 : first implementation
//
// ********************************************************************
//
/// \file PrimaryGeneratorAction.hh
/// \brief Definition of the CaTS::PrimaryGeneratorAction class
#pragma once
#include "G4VUserPrimaryGeneratorAction.hh"
#include <G4String.hh>
#include <G4ios.hh>
#include <map>
#include <utility>
class G4GenericMessenger;
class G4VPrimaryGenerator;
class G4Event;
class PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
{
public:
PrimaryGeneratorAction();
virtual ~PrimaryGeneratorAction();
void GeneratePrimaries(G4Event*) final;
inline void SetGenerator(G4String genname)
{
std::map<G4String, G4VPrimaryGenerator*>::iterator pos =
gentypeMap.find(genname);
if(pos != gentypeMap.end())
{
fcurrentGenerator = pos->second;
fcurrentGeneratorName = genname;
}
else
{
G4cout << "Primary Generator: " << genname << " is not a valid Option"
<< G4endl;
G4cout << "Valid Options are: ";
#if(G4VERSION_NUMBER > 1072)
for(auto [genType, generator] : gentypeMap)
{
G4cout << genType << " ";
}
G4cout << G4endl;
#else
for(std::map<G4String, G4VPrimaryGenerator*>::iterator ii =
gentypeMap.begin();
ii != gentypeMap.end(); ++ii)
{
G4cout << (*ii).first << " ";
}
G4cout << G4endl;
#endif
}
}
inline G4VPrimaryGenerator* GetGenerator() const { return fcurrentGenerator; }
inline G4String GetGeneratorName() const { return fcurrentGeneratorName; }
inline void Print()
{
G4cout << "===================================================" << G4endl;
G4cout << " Primary Generator: " << fcurrentGeneratorName << G4endl;
G4cout << "===================================================" << G4endl;
}
private:
/// Define UI commands: choice of primary generators
void DefineCommands();
G4VPrimaryGenerator* fcurrentGenerator = nullptr;
G4String fcurrentGeneratorName{ "particleGun" };
PrimaryGeneratorAction& operator=(const PrimaryGeneratorAction& right);
PrimaryGeneratorAction(const PrimaryGeneratorAction&);
std::map<G4String, G4VPrimaryGenerator*> gentypeMap;
/// Pointer to the messenger for UI commands
G4GenericMessenger* fMessenger = nullptr;
};