Ex03RegionConstruction.cxx

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//------------------------------------------------
// The Virtual Monte Carlo examples
// Copyright (C) 2007 - 2014 Ivana Hrivnacova
// All rights reserved.
//
// For the licensing terms see geant4_vmc/LICENSE.
// Contact: root-vmc@cern.ch
//-------------------------------------------------
 
/// \file Ex03RegionConstruction.cxx
/// \brief Implementation of the Ex03RegionConstruction class
///
/// Geant4 ExampleN03 adapted to Virtual Monte Carlo \n
///
/// \author I. Hrivnacova; IPN, Orsay
 
#include "Ex03RegionConstruction.h"
 
#include "TG4GeometryServices.h"
 
#include "G4LogicalVolume.hh"
#include "G4ProductionCuts.hh"
#include "G4Region.hh"
#include "G4SystemOfUnits.hh"
 
//_____________________________________________________________________________
Ex03RegionConstruction::Ex03RegionConstruction() : TG4VUserRegionConstruction()
{
  /// Standard constructor
}
 
//_____________________________________________________________________________
Ex03RegionConstruction::~Ex03RegionConstruction()
{
  /// Destructor
}
 
//
// protected methods
//
 
//_____________________________________________________________________________
void Ex03RegionConstruction::Construct()
{
  /// Definition of regions
 
  G4LogicalVolume* logicalVolume =
    TG4GeometryServices::Instance()->FindLogicalVolume("LAYE");
  if (!logicalVolume) {
    G4cerr << "Logical volume LAYE not found" << G4endl;
    return;
  }
 
  G4Region* testRegion = new G4Region("Test_region");
  testRegion->AddRootLogicalVolume(logicalVolume);
  testRegion->SetProductionCuts(new G4ProductionCuts());
 
  std::vector<double> cuts;
  cuts.push_back(1.0 * cm);
  cuts.push_back(1.0 * cm);
  cuts.push_back(1.0 * cm);
  testRegion->GetProductionCuts()->SetProductionCuts(cuts);
}