VG01PrimaryGeneratorAction Class Reference

Configurable primary generator action to demonstrate use of VecGeom Navigation. More...

#include <Doxymodules_geometry.h>

Inheritance diagram for VG01PrimaryGeneratorAction:

Public Types
enum	EGeneratorMode { kFixedMode , kUniformMode , kAxisMode , kFreeMode }

Public Member Functions
	VG01PrimaryGeneratorAction (EGeneratorMode mode=kUniformMode)
	~VG01PrimaryGeneratorAction ()
void	GeneratePrimaries (G4Event *anEvent) override
void	SetGeneratorMode (EGeneratorMode val)
EGeneratorMode	GetGeneratorMode ()

Private Attributes
G4ParticleGun *	fParticleGun
EGeneratorMode	fMode

Detailed Description

Configurable primary generator action to demonstrate use of VecGeom Navigation.

Definition at line 28 of file Doxymodules_geometry.h.

Member Enumeration Documentation

EGeneratorMode

enum VG01PrimaryGeneratorAction::EGeneratorMode

Enumerator
kFixedMode
kUniformMode
kAxisMode
kFreeMode

Definition at line 59 of file VG01PrimaryGeneratorAction.hh.

{ kFixedMode, kUniformMode, kAxisMode,  kFreeMode};

Constructor & Destructor Documentation

VG01PrimaryGeneratorAction()

VG01PrimaryGeneratorAction::VG01PrimaryGeneratorAction

(

EGeneratorMode

mode = kUniformMode

)

Definition at line 45 of file VG01PrimaryGeneratorAction.cc.

 : G4VUserPrimaryGeneratorAction(),
   fParticleGun(0),
   fMode(mode)
{
  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(0,0,0) ); // -1.2*m, 0.1, 0.1));
}

~VG01PrimaryGeneratorAction()

VG01PrimaryGeneratorAction::~VG01PrimaryGeneratorAction

(

)

Definition at line 63 of file VG01PrimaryGeneratorAction.cc.

{
  delete fParticleGun;
}

Member Function Documentation

GeneratePrimaries()

void VG01PrimaryGeneratorAction::GeneratePrimaries ( G4Event *  anEvent )

override

Definition at line 70 of file VG01PrimaryGeneratorAction.cc.

{
  G4ThreeVector dir(1.0,0.0,0.0);
 
  // G4ThreeVector FixedMode[3] = 
  //  { G4ThreeVector(1,0,0), G4ThreeVector(1,0.1,0), G4ThreeVector( 1, 0, 0.1)};
  G4ThreeVector AxisModeVectors[3] = 
      { G4ThreeVector(1,0,0), G4ThreeVector(0,1,0), G4ThreeVector( 0, 0, 1.0)};
 
  if( fMode == kFreeMode ){
    // Do not fix the direction 
    //   -- UI commands to particle mode can change it!
    fParticleGun->GeneratePrimaryVertex(anEvent);
    return; 
    //----
  } 
  else if( fMode == kFixedMode )
  {
    G4int i = anEvent->GetEventID() % 3;
    dir= G4ThreeVector(1.0,0.0,0.0);
    switch(i)
    {
       case 0:
          break;
       case 1:
          dir.setY(0.1);
          break;
       case 2:
          dir.setZ(0.1);
          break;
    }
  } 
  else if( fMode == kUniformMode )
  {
    dir = G4RandomDirection();
  }
  else if ( fMode == kAxisMode )
  {
    G4int i = anEvent->GetEventID() % 3;
    dir = AxisModeVectors[i];
  }
 
  fParticleGun->SetParticleMomentumDirection(dir);
  fParticleGun->GeneratePrimaryVertex(anEvent);
}

SetGeneratorMode()

void VG01PrimaryGeneratorAction::SetGeneratorMode ( EGeneratorMode  val )

inline

Definition at line 67 of file VG01PrimaryGeneratorAction.hh.

{ fMode = val;} 

GetGeneratorMode()

EGeneratorMode VG01PrimaryGeneratorAction::GetGeneratorMode ( )

inline

Definition at line 68 of file VG01PrimaryGeneratorAction.hh.

{ return fMode;}

Member Data Documentation

fParticleGun

G4ParticleGun* VG01PrimaryGeneratorAction::fParticleGun

private

Definition at line 71 of file VG01PrimaryGeneratorAction.hh.

fMode

EGeneratorMode VG01PrimaryGeneratorAction::fMode

private

Definition at line 72 of file VG01PrimaryGeneratorAction.hh.

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

• .doxygen/Doxymodules_geometry.h
• extended/geometry/vecGeomNavigation/include/VG01PrimaryGeneratorAction.hh
• extended/geometry/vecGeomNavigation/src/VG01PrimaryGeneratorAction.cc