F01PrimaryGeneratorAction Class Reference

#include <F01PrimaryGeneratorAction.hh>

Inheritance diagram for F01PrimaryGeneratorAction:

Collaboration diagram for F01PrimaryGeneratorAction:

Public Member Functions
	F01PrimaryGeneratorAction (F01DetectorConstruction *)
virtual	~F01PrimaryGeneratorAction ()
virtual void	GeneratePrimaries (G4Event *)
void	SetRndmFlag (G4String val)
void	SetXVertex (G4double x)
void	SetYVertex (G4double y)
void	SetZVertex (G4double z)
Public Member Functions inherited from G4VUserPrimaryGeneratorAction
	G4VUserPrimaryGeneratorAction ()
virtual	~G4VUserPrimaryGeneratorAction ()

Static Public Member Functions
static G4String	GetPrimaryName ()

Detailed Description

Definition at line 50 of file F01PrimaryGeneratorAction.hh.

Constructor & Destructor Documentation

F01PrimaryGeneratorAction::F01PrimaryGeneratorAction

(

F01DetectorConstruction *

det

)

Definition at line 56 of file F01PrimaryGeneratorAction.cc.

  : G4VUserPrimaryGeneratorAction(),
    fParticleGun(0),
    fDetector(det),
    fGunMessenger(0),
    fRndmFlag("off"),
    fXVertex(0.),
    fYVertex(0.),
    fZVertex(0.),
    fVertexDefined(false)
{
  G4int n_particle = 1;
  fParticleGun = new G4ParticleGun(n_particle);

  // create a messenger for this class
  fGunMessenger = new F01PrimaryGeneratorMessenger(this);

  // default particle kinematic

  G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
  G4String particleName;
  G4ParticleDefinition* particle
    = particleTable->FindParticle(particleName="e-");
  fParticleGun->SetParticleDefinition(particle);

  fgPrimaryParticle = particle;

  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,-1.));
  fParticleGun->SetParticleEnergy(0.5*GeV);

  fZVertex = fDetector->GetAbsorberZpos() -
                                      0.5*(fDetector->GetAbsorberThickness());
  fParticleGun->SetParticlePosition(G4ThreeVector(fXVertex,fYVertex,fZVertex));

}

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F01PrimaryGeneratorAction::~F01PrimaryGeneratorAction ( )

virtual

Definition at line 95 of file F01PrimaryGeneratorAction.cc.

{
  delete fParticleGun;
  delete fGunMessenger;
}

Member Function Documentation

void F01PrimaryGeneratorAction::GeneratePrimaries ( G4Event *  anEvent )

virtual

Implements G4VUserPrimaryGeneratorAction.

Definition at line 103 of file F01PrimaryGeneratorAction.cc.

{
  // this function is called at the begining of event
  //
  fgPrimaryParticle = fParticleGun->GetParticleDefinition();

  G4double x0,y0,z0;
  if (fVertexDefined)
  {
    x0 = fXVertex;
    y0 = fYVertex;
    z0 = fZVertex;
  }
  else
  {
    x0 = 0.;
    y0 = 0.;
    z0 = fDetector->GetAbsorberZpos()-0.5*(fDetector->GetAbsorberThickness());
  }

  G4double r0,phi0;
  if (fRndmFlag == "on")
  {
    r0 = (fDetector->GetAbsorberRadius())*std::sqrt(G4UniformRand());
    phi0 = twopi*G4UniformRand();
    x0 = r0*std::cos(phi0);
    y0 = r0*std::sin(phi0);
  }

  fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
  fParticleGun->GeneratePrimaryVertex(anEvent);
}

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G4String F01PrimaryGeneratorAction::GetPrimaryName ( )

static

Definition at line 138 of file F01PrimaryGeneratorAction.cc.

{
   return fgPrimaryParticle->GetParticleName();
}

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void F01PrimaryGeneratorAction::SetRndmFlag ( G4String  val )

inline

Definition at line 58 of file F01PrimaryGeneratorAction.hh.

{ fRndmFlag = val; }

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void F01PrimaryGeneratorAction::SetXVertex

(

G4double

x

)

Definition at line 155 of file F01PrimaryGeneratorAction.cc.

{
  fVertexDefined = true;
  fXVertex = x;
  G4cout << " X coordinate of the primary vertex = " << fXVertex/mm <<
            " mm." << G4endl;
}

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void F01PrimaryGeneratorAction::SetYVertex

(

G4double

y

)

Definition at line 165 of file F01PrimaryGeneratorAction.cc.

{
  fVertexDefined = true;
  fYVertex = y;
  G4cout << " Y coordinate of the primary vertex = " << fYVertex/mm <<
            " mm." << G4endl;
}

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void F01PrimaryGeneratorAction::SetZVertex

(

G4double

z

)

Definition at line 145 of file F01PrimaryGeneratorAction.cc.

{
  fVertexDefined = true;
  fZVertex = z;
  G4cout << " Z coordinate of the primary vertex = " << fZVertex/mm <<
            " mm." << G4endl;
}

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---

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

• source/geant4.10.03.p02/examples/extended/field/field01/include/F01PrimaryGeneratorAction.hh
• source/geant4.10.03.p02/examples/extended/field/field01/src/F01PrimaryGeneratorAction.cc