G04PrimaryGeneratorAction Class Reference

Primary generator action for GDML sensitive detector example. More...

#include <G04PrimaryGeneratorAction.hh>

Inheritance diagram for G04PrimaryGeneratorAction:

Public Member Functions
	G04PrimaryGeneratorAction ()
	~G04PrimaryGeneratorAction ()
virtual void	GeneratePrimaries (G4Event *anEvent)
Public Member Functions inherited from G4VUserPrimaryGeneratorAction
	G4VUserPrimaryGeneratorAction ()
virtual	~G4VUserPrimaryGeneratorAction ()

Detailed Description

Primary generator action for GDML sensitive detector example.

Definition at line 46 of file G04PrimaryGeneratorAction.hh.

Constructor & Destructor Documentation

G04PrimaryGeneratorAction::G04PrimaryGeneratorAction

(

)

Definition at line 43 of file G04PrimaryGeneratorAction.cc.

References G4ParticleTable::FindParticle(), G4ParticleTable::GetParticleTable(), python.hepunit::GeV, python.hepunit::m, G4ParticleGun::SetParticleDefinition(), G4ParticleGun::SetParticleEnergy(), and G4VPrimaryGenerator::SetParticlePosition().

 : G4VUserPrimaryGeneratorAction(), 
   fParticleGun(0)
{
  G4int n_particle = 1;
  fParticleGun = new G4ParticleGun(n_particle);

  G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
  G4String particleName;
  fParticleGun->SetParticleDefinition(
               particleTable->FindParticle(particleName="geantino"));
  fParticleGun->SetParticleEnergy(1.0*GeV);
  fParticleGun->SetParticlePosition(G4ThreeVector(-2.0*m, 0.1, 0.1));
}

G04PrimaryGeneratorAction::~G04PrimaryGeneratorAction

(

)

Definition at line 60 of file G04PrimaryGeneratorAction.cc.

{
  delete fParticleGun;
}

Member Function Documentation

void G04PrimaryGeneratorAction::GeneratePrimaries ( G4Event *  anEvent )

virtual

Implements G4VUserPrimaryGeneratorAction.

Definition at line 67 of file G04PrimaryGeneratorAction.cc.

References G4ParticleGun::GeneratePrimaryVertex(), G4Event::GetEventID(), G4ParticleGun::SetParticleMomentumDirection(), CLHEP::Hep3Vector::setY(), CLHEP::Hep3Vector::setZ(), and test::v.

{
  G4int i = anEvent->GetEventID() % 3;
  G4ThreeVector v(1.0,0.0,0.0);
  switch(i)
  {
    case 0:
      break;
    case 1:
      v.setY(0.1);
      break;
    case 2:
      v.setZ(0.1);
      break;
  }
  fParticleGun->SetParticleMomentumDirection(v);
  fParticleGun->GeneratePrimaryVertex(anEvent);
}

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The documentation for this class was generated from the following files:

• G04PrimaryGeneratorAction.hh
• G04PrimaryGeneratorAction.cc