G4MonopoleFieldSetup Class Reference

#include <G4MonopoleFieldSetup.hh>

Public Member Functions
void	InitialiseAll ()
void	SetMagField (G4double fieldValue)
void	SetStepperAndChordFinder (G4int val)
	~G4MonopoleFieldSetup ()

Static Public Member Functions
static G4MonopoleFieldSetup *	GetMonopoleFieldSetup ()

Detailed Description

Definition at line 63 of file G4MonopoleFieldSetup.hh.

Constructor & Destructor Documentation

G4MonopoleFieldSetup::~G4MonopoleFieldSetup

(

)

Definition at line 103 of file G4MonopoleFieldSetup.cc.

{
  delete fMonopoleFieldMessenger;
  if(fMagneticField) delete fMagneticField;
  if(fChordFinder)   delete fChordFinder;
  if(fStepper)       delete fStepper;
  if(fMonopoleStepper)  delete fMonopoleStepper;
}

Member Function Documentation

G4MonopoleFieldSetup * G4MonopoleFieldSetup::GetMonopoleFieldSetup ( )

static

Definition at line 90 of file G4MonopoleFieldSetup.cc.

Referenced by G4MonopoleTransportation::G4MonopoleTransportation().

{
   if (0 == fMonopoleFieldSetup)
   {
     static G4MonopoleFieldSetup theInstance;
     fMonopoleFieldSetup = &theInstance;
   }
   
   return fMonopoleFieldSetup;
}

void G4MonopoleFieldSetup::InitialiseAll

(

)

Definition at line 134 of file G4MonopoleFieldSetup.cc.

References G4TransportationManager::GetFieldManager(), G4TransportationManager::GetTransportationManager(), python.hepunit::mm, and SetStepperAndChordFinder().

Referenced by SetMagField().

{
  fFieldManager = G4TransportationManager::GetTransportationManager()
                                          ->GetFieldManager();
                                          
  fEquation = new G4Mag_UsualEqRhs(fMagneticField); 
  fMonopoleEquation = new G4MonopoleEquation(fMagneticField);
 
  fMinStep     = 0.01*mm ; // minimal step of 1 mm is default
                                        
  fMonopoleStepper = new G4ClassicalRK4( fMonopoleEquation, 8 ); // for time information..
  fStepper = new G4ClassicalRK4( fEquation );                                         
                                         
  SetStepperAndChordFinder(0);
}

void G4MonopoleFieldSetup::SetMagField

(

G4double

fieldValue

)

Definition at line 114 of file G4MonopoleFieldSetup.cc.

References InitialiseAll(), and G4FieldManager::SetDetectorField().

Referenced by G4MonopoleFieldMessenger::SetNewValue().

{
  //apply a global uniform magnetic field along Z axis  
  if (fMagneticField) { delete fMagneticField; }  //delete the existing magn field

  if (fieldValue != 0.)     // create a new one if non nul
    {
      fMagneticField = new G4UniformMagField(G4ThreeVector(0., 0., fieldValue));        
      InitialiseAll();
    }
   else
    {
      fMagneticField = 0;
      fFieldManager->SetDetectorField(fMagneticField);
    }
}

void G4MonopoleFieldSetup::SetStepperAndChordFinder

(

G4int

val

)

Definition at line 152 of file G4MonopoleFieldSetup.cc.

References G4FieldManager::SetChordFinder(), and G4FieldManager::SetDetectorField().

Referenced by G4MonopoleTransportation::AlongStepGetPhysicalInteractionLength(), and InitialiseAll().

{
  if (fMagneticField)
  {
    fFieldManager->SetDetectorField(fMagneticField );

    if(fChordFinder) delete fChordFinder;

    switch (val)
    {
      case 0:
        fChordFinder = new G4ChordFinder( fMagneticField, fMinStep, fStepper);      
        break;
      case 1: 
        fChordFinder = new G4ChordFinder( fMagneticField, fMinStep, fMonopoleStepper);
        break;
    }   
  
    fFieldManager->SetChordFinder( fChordFinder );
  }
}

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

• G4MonopoleFieldSetup.hh
• G4MonopoleFieldSetup.cc