examples/extended/hadronic/Hadr04/src/RunAction.cc

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/// \file hadronic/Hadr03/src/RunAction.cc
/// \brief Implementation of the RunAction class
//
// $Id: RunAction.cc 70756 2013-06-05 12:20:06Z ihrivnac $
// 
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#include "RunAction.hh"

#include "DetectorConstruction.hh"
#include "PrimaryGeneratorAction.hh"
#include "HistoManager.hh"
#include "Run.hh"

#include "G4Run.hh"
#include "G4RunManager.hh"
#include "G4UnitsTable.hh"
#include "G4SystemOfUnits.hh"

#include "Randomize.hh"
#include <iomanip>

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RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* prim)
  : G4UserRunAction(),
    fDetector(det), fPrimary(prim), fRun(0), fHistoManager(0)
{
 // Book predefined histograms
 fHistoManager = new HistoManager(); 
}

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RunAction::~RunAction()
{
 delete fHistoManager;
}

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G4Run* RunAction::GenerateRun()
{ 
  fRun = new Run(fDetector); 
  return fRun;
}

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void RunAction::BeginOfRunAction(const G4Run*)
{    
  // save Rndm status
  G4RunManager::GetRunManager()->SetRandomNumberStore(false);
  G4Random::showEngineStatus();
       
  //histograms
  //
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
  if ( analysisManager->IsActive() ) {
    analysisManager->OpenFile();
  }  
}

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void RunAction::EndOfRunAction(const G4Run* aRun)
{
  G4int nbOfEvents = aRun->GetNumberOfEvent();

  if ( fPrimary && nbOfEvents ) { 

    G4int prec = 5;  
    G4int dfprec = G4cout.precision(prec);
    
    G4Material* material = fDetector->GetMaterial();
    G4double density = material->GetDensity();
   
    G4ParticleDefinition* particle = 
                            fPrimary->GetParticleGun()->GetParticleDefinition();
    G4String Particle = particle->GetParticleName();    
    G4double energy = fPrimary->GetParticleGun()->GetParticleEnergy();
    G4cout << "\n The run is of " << nbOfEvents << " "<< Particle << " of "
           << G4BestUnit(energy,"Energy") << " through " 
           << G4BestUnit(fDetector->GetSize(),"Length") << " of "
           << material->GetName() << " (density: " 
           << G4BestUnit(density,"Volumic Mass") << ")" << G4endl;
         
    //restore default format         
    G4cout.precision(dfprec);
  }         
         
  //compute and print statistics
  //
  if (isMaster) fRun->ComputeStatistics();    
  
  //save histograms      
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
  ////G4double factor = 1./nbOfEvents;
  ////analysisManager->ScaleH1(3,factor);      
  if ( analysisManager->IsActive() ) {
    analysisManager->Write();
    analysisManager->CloseFile();
  }
      
  // show Rndm status
  G4Random::showEngineStatus();
}

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