PrimaryGeneratorAction Class Reference

#include <PrimaryGeneratorAction.hh>

Inheritance diagram for PrimaryGeneratorAction:

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Collaboration diagram for PrimaryGeneratorAction:

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List of all members.

Public Member Functions
	PrimaryGeneratorAction (DetectorConstruction *)
	~PrimaryGeneratorAction ()
void	GeneratePrimaries (G4Event *)
G4ParticleGun *	GetParticleGun ()
Private Attributes
G4ParticleGun *	m_particleGun
DetectorConstruction *	m_detector
PrimaryGeneratorMessenger *	m_gunMessenger
G4String	m_rndmFlag

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Detailed Description

Definition at line 21 of file PrimaryGeneratorAction.hh.

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Constructor & Destructor Documentation

PrimaryGeneratorAction::PrimaryGeneratorAction

(

DetectorConstruction *

det

)

Definition at line 21 of file PrimaryGeneratorAction.cc.

:m_detector(det)                                               
{
  m_particleGun  = new G4ParticleGun(1);
  G4ParticleDefinition* particle
           = G4ParticleTable::GetParticleTable()->FindParticle("proton");
  m_particleGun->SetParticleDefinition(particle);
  m_particleGun->SetParticleEnergy(500*MeV);
  
  m_rndmFlag = "on";
  
  //create a messenger for this class
  m_gunMessenger = new PrimaryGeneratorMessenger(this);    
}

PrimaryGeneratorAction::~PrimaryGeneratorAction

(

)

Definition at line 38 of file PrimaryGeneratorAction.cc.

{
  delete m_particleGun;
  delete m_gunMessenger;
}

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Member Function Documentation

void PrimaryGeneratorAction::GeneratePrimaries

(

G4Event *

anEvent

)

Definition at line 46 of file PrimaryGeneratorAction.cc.

{
  //this function is called at the begining of event
  //
  G4double y0 = (m_detector->GetWorldSizeXY())*0.5;
  G4double x0 = 0., z0 = 0.;
  if (m_rndmFlag == "on") {
    x0 = (m_detector->GetWorldSizeXY())*(G4UniformRand()-0.5);
    z0 = (m_detector->GetWorldSizeZ()) *(G4UniformRand()-0.5);
  }
     
  m_particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));     
  m_particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,-1.,0.));  
  m_particleGun->GeneratePrimaryVertex(anEvent);
}

G4ParticleGun* PrimaryGeneratorAction::GetParticleGun

(

)

[inline]

Definition at line 30 of file PrimaryGeneratorAction.hh.

{return m_particleGun;}

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Member Data Documentation

G4ParticleGun* PrimaryGeneratorAction::m_particleGun [private]

Definition at line 33 of file PrimaryGeneratorAction.hh.

Referenced by GeneratePrimaries(), GetParticleGun(), PrimaryGeneratorAction(), and ~PrimaryGeneratorAction().

DetectorConstruction* PrimaryGeneratorAction::m_detector [private]

Definition at line 34 of file PrimaryGeneratorAction.hh.

Referenced by GeneratePrimaries().

PrimaryGeneratorMessenger* PrimaryGeneratorAction::m_gunMessenger [private]

Definition at line 35 of file PrimaryGeneratorAction.hh.

Referenced by PrimaryGeneratorAction(), and ~PrimaryGeneratorAction().

G4String PrimaryGeneratorAction::m_rndmFlag [private]

Definition at line 36 of file PrimaryGeneratorAction.hh.

Referenced by GeneratePrimaries(), and PrimaryGeneratorAction().

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

• include/PrimaryGeneratorAction.hh
• src/PrimaryGeneratorAction.cc