F02PrimaryGeneratorAction Class Reference

#include <F02PrimaryGeneratorAction.hh>

Inheritance diagram for F02PrimaryGeneratorAction:

Collaboration diagram for F02PrimaryGeneratorAction:

Public Member Functions
	F02PrimaryGeneratorAction (F02DetectorConstruction *)
virtual	~F02PrimaryGeneratorAction ()
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 F02PrimaryGeneratorAction.hh.

Constructor & Destructor Documentation

F02PrimaryGeneratorAction::F02PrimaryGeneratorAction

(

F02DetectorConstruction *

det

)

Definition at line 56 of file F02PrimaryGeneratorAction.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 F02PrimaryGeneratorMessenger(this);

  // default particle kinematic

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

  fgPrimaryParticle = particle;

  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
  fParticleGun->SetParticleEnergy(100.*GeV);

  fZVertex = 0. ; //  -0.5*(fDetector->GetAbsorberThickness());
  fParticleGun->SetParticlePosition(G4ThreeVector(fXVertex,fYVertex,fZVertex));

}

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F02PrimaryGeneratorAction::~F02PrimaryGeneratorAction ( )

virtual

Definition at line 94 of file F02PrimaryGeneratorAction.cc.

{
  delete fParticleGun;
  delete fGunMessenger;
}

Member Function Documentation

void F02PrimaryGeneratorAction::GeneratePrimaries ( G4Event *  anEvent )

virtual

Implements G4VUserPrimaryGeneratorAction.

Definition at line 102 of file F02PrimaryGeneratorAction.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 = 0.; // -0.5*(fDetector->GetWorldSizeZ());
  }

  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 F02PrimaryGeneratorAction::GetPrimaryName ( )

static

Definition at line 137 of file F02PrimaryGeneratorAction.cc.

{
   return fgPrimaryParticle->GetParticleName();
}

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void F02PrimaryGeneratorAction::SetRndmFlag ( G4String  val )

inline

Definition at line 58 of file F02PrimaryGeneratorAction.hh.

{ fRndmFlag = val; }

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void F02PrimaryGeneratorAction::SetXVertex

(

G4double

x

)

Definition at line 144 of file F02PrimaryGeneratorAction.cc.

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

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void F02PrimaryGeneratorAction::SetYVertex

(

G4double

y

)

Definition at line 154 of file F02PrimaryGeneratorAction.cc.

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

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void F02PrimaryGeneratorAction::SetZVertex

(

G4double

z

)

Definition at line 164 of file F02PrimaryGeneratorAction.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.p03/examples/extended/field/field02/include/F02PrimaryGeneratorAction.hh
• source/geant4.10.03.p03/examples/extended/field/field02/src/F02PrimaryGeneratorAction.cc