F06Field.cc

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#include "F06Field.hh"

#include "G4FieldManager.hh"
#include "G4TransportationManager.hh"

#include "G4EqGravityField.hh"
#include "G4ChordFinder.hh"
#include "G4PropagatorInField.hh"

#include "G4ClassicalRK4.hh"

#include "G4SystemOfUnits.hh"

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F06Field::F06Field() : G4UniformGravityField()
{
  fEquation = new G4EqGravityField(this);

  G4FieldManager* fFieldManager
   = G4TransportationManager::GetTransportationManager()->GetFieldManager();

  fFieldManager->SetDetectorField(this);

  fStepper = new G4ClassicalRK4(fEquation,8);

  G4double minStep           = 0.01*mm;

  fChordFinder = new G4ChordFinder((G4MagneticField*)this,minStep,fStepper);
 
  // Set accuracy parameters
  G4double deltaChord        = 3.0*mm;
  fChordFinder->SetDeltaChord( deltaChord );

  G4double deltaOneStep      = 0.01*mm; 
  fFieldManager->SetAccuraciesWithDeltaOneStep(deltaOneStep);

  G4double deltaIntersection = 0.1*mm; 
  fFieldManager->SetDeltaIntersection(deltaIntersection);

  G4TransportationManager* fTransportManager =
         G4TransportationManager::GetTransportationManager();

  fieldPropagator = fTransportManager->GetPropagatorInField();

  G4double epsMin            = 2.5e-7*mm;
  G4double epsMax            = 0.05*mm;
 
  fieldPropagator->SetMinimumEpsilonStep(epsMin);
  fieldPropagator->SetMaximumEpsilonStep(epsMax);
 
  fFieldManager->SetChordFinder(fChordFinder);
}

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F06Field::~F06Field()
{
  if (fEquation)    delete fEquation;
  if (fStepper)     delete fStepper;
  if (fChordFinder) delete fChordFinder;
}

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