ExP01PrimaryGeneratorAction Class Reference

Primary generator action for the persistency example. More...

#include <ExP01PrimaryGeneratorAction.hh>

Inheritance diagram for ExP01PrimaryGeneratorAction:

Public Member Functions
	ExP01PrimaryGeneratorAction (ExP01DetectorConstruction *)
	~ExP01PrimaryGeneratorAction ()
virtual void	GeneratePrimaries (G4Event *)
Public Member Functions inherited from G4VUserPrimaryGeneratorAction
	G4VUserPrimaryGeneratorAction ()
virtual	~G4VUserPrimaryGeneratorAction ()

Detailed Description

Primary generator action for the persistency example.

Definition at line 48 of file ExP01PrimaryGeneratorAction.hh.

Constructor & Destructor Documentation

ExP01PrimaryGeneratorAction::ExP01PrimaryGeneratorAction

(

ExP01DetectorConstruction *

myDC

)

Definition at line 47 of file ExP01PrimaryGeneratorAction.cc.

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

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

// default particle

  G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
  G4ParticleDefinition* particle = particleTable->FindParticle("proton");
  
  fParticleGun->SetParticleDefinition(particle);
  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
  fParticleGun->SetParticleEnergy(3.0*GeV);
}

ExP01PrimaryGeneratorAction::~ExP01PrimaryGeneratorAction

(

)

Definition at line 67 of file ExP01PrimaryGeneratorAction.cc.

{
  delete fParticleGun;
}

Member Function Documentation

void ExP01PrimaryGeneratorAction::GeneratePrimaries ( G4Event *  anEvent )

virtual

Implements G4VUserPrimaryGeneratorAction.

Definition at line 74 of file ExP01PrimaryGeneratorAction.cc.

References python.hepunit::cm, G4ParticleGun::GeneratePrimaryVertex(), ExP01DetectorConstruction::GetWorldFullLength(), and G4VPrimaryGenerator::SetParticlePosition().

{ 
  G4double position = -0.5*(fMyDetector->GetWorldFullLength());
  fParticleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,position));
  
  fParticleGun->GeneratePrimaryVertex(anEvent);
}

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

• ExP01PrimaryGeneratorAction.hh
• ExP01PrimaryGeneratorAction.cc