Ex03PostDetConstruction.cxx

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//------------------------------------------------
// The Virtual Monte Carlo examples
// Copyright (C) 2007 - 2015 Ivana Hrivnacova
// All rights reserved.
//
// For the licensing terms see geant4_vmc/LICENSE.
// Contact: root-vmc@cern.ch
//-------------------------------------------------
 
/// \file Ex03PostDetConstruction.cxx
/// \brief Implementation of the Ex03PostDetConstruction class
///
/// Geant4 ExampleN03 adapted to Virtual Monte Carlo \n
///
/// \author I. Hrivnacova; IPN, Orsay
 
#include "Ex03PostDetConstruction.h"
 
#include "TG4GeometryManager.h"
 
#include "G4Mag_UsualEqRhs.hh"
#include "G4NystromRK4.hh"
 
//_____________________________________________________________________________
Ex03PostDetConstruction::Ex03PostDetConstruction()
  : TG4VUserPostDetConstruction()
{}
 
//_____________________________________________________________________________
Ex03PostDetConstruction::~Ex03PostDetConstruction() {}
 
//_____________________________________________________________________________
void Ex03PostDetConstruction::Construct()
{
  // Create "user" equation of motion;
  // G4Mag_UsualEqRhs eqution and G4NystromRK4 stepper should be replaced with
  // users own objects
  G4cout << "Create user defined equation of motion and stepper" << G4endl;
  G4Mag_EqRhs* equation = new G4Mag_UsualEqRhs(0);
  G4MagIntegratorStepper* stepper = new G4NystromRK4(equation);
 
  TG4GeometryManager::Instance()->SetUserEquationOfMotion(equation);
  TG4GeometryManager::Instance()->SetUserStepper(stepper);
}
 
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