examples/extended/electromagnetic/TestEm5/src/RunAction.cc

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/// \file electromagnetic/TestEm5/src/RunAction.cc
/// \brief Implementation of the RunAction class
//
// $Id: RunAction.cc 76464 2013-11-11 10:22:56Z gcosmo $
//
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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 "G4EmCalculator.hh"

#include "Randomize.hh"
#include "G4SystemOfUnits.hh"
#include <iomanip>

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RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* kin)
:G4UserRunAction(),fDetector(det), fPrimary(kin), 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(true);
  G4Random::showEngineStatus();
     
  // keep run condition
  if ( fPrimary ) { 
    G4ParticleDefinition* particle 
      = fPrimary->GetParticleGun()->GetParticleDefinition();
    G4double energy = fPrimary->GetParticleGun()->GetParticleEnergy();
    fRun->SetPrimary(particle, energy);
  }
  
  //histograms
  //        
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
  if ( analysisManager->IsActive() ) {
    analysisManager->OpenFile();
  } 
}

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void RunAction::EndOfRunAction(const G4Run* aRun)
{
  G4int TotNbofEvents = aRun->GetNumberOfEvent();
  if (TotNbofEvents == 0) return;
  
  // print Run summary
  //
  fRun->PrintSummary();    
  
  // normalize histograms
  //
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
  
  G4int ih = 1;
  G4double binWidth = analysisManager->GetH1Width(ih);
  G4double unit     = analysisManager->GetH1Unit(ih);  
  G4double fac = unit/(TotNbofEvents*binWidth);
  analysisManager->ScaleH1(ih,fac);

  ih = 10;
  binWidth = analysisManager->GetH1Width(ih);
  unit     = analysisManager->GetH1Unit(ih);  
  fac = unit/(TotNbofEvents*binWidth);
  analysisManager->ScaleH1(ih,fac);

  ih = 12;
  analysisManager->ScaleH1(ih,1./TotNbofEvents);
      
  // save histograms
  if ( analysisManager->IsActive() ) {    
    analysisManager->Write();
    analysisManager->CloseFile();
  }  

  // show Rndm status
  G4Random::showEngineStatus();
}

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