source: trunk/examples/extended/electromagnetic/TestEm1/src/RunAction.cc @ 1342

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// $Id: RunAction.cc,v 1.20 2010/04/06 11:11:24 maire Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
// 
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#include "RunAction.hh"
#include "DetectorConstruction.hh"
#include "PrimaryGeneratorAction.hh"
#include "HistoManager.hh"

#include "G4Run.hh"
#include "G4RunManager.hh"
#include "G4UnitsTable.hh"
#include "G4EmCalculator.hh"

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

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RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* kin,
                     HistoManager* histo)
:detector(det), primary(kin), histoManager(histo)
{ }

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RunAction::~RunAction()
{ }

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void RunAction::BeginOfRunAction(const G4Run* aRun)
{  
  G4cout << "### Run " << aRun->GetRunID() << " start." << G4endl;
  
  // save Rndm status
  G4RunManager::GetRunManager()->SetRandomNumberStore(true);
  CLHEP::HepRandom::showEngineStatus();

  NbOfTraks0 = NbOfTraks1 = NbOfSteps0 = NbOfSteps1 = 0;
  edep = 0.;
  trueRange = trueRange2 = 0.;
  projRange = projRange2 = 0.;
  transvDev = transvDev2 = 0.;    
     
  //histograms
  //
  histoManager->book();
}

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void RunAction::EndOfRunAction(const G4Run* aRun)
{ 
  G4int NbOfEvents = aRun->GetNumberOfEvent();
  if (NbOfEvents == 0) return;
  G4double dNbOfEvents = double(NbOfEvents);
    
  G4ParticleDefinition* particle = primary->GetParticleGun()
                                          ->GetParticleDefinition();
  G4String partName = particle->GetParticleName();    
  G4double energy   = primary->GetParticleGun()->GetParticleEnergy();
  
  G4double length      = detector->GetSize();    
  G4Material* material = detector->GetMaterial();
  G4double density     = material->GetDensity();
   
  G4cout << "\n ======================== run summary ======================\n";
  
  G4int prec = G4cout.precision(5);
  
  G4cout << "\n The run was: " << NbOfEvents << " " << partName << " of "
         << G4BestUnit(energy,"Energy") << " through " 
         << G4BestUnit(length,"Length") << " of "
         << material->GetName() << " (density: " 
         << G4BestUnit(density,"Volumic Mass") << ")" << G4endl;
         
 G4cout << "\n ============================================================\n";
 
 G4cout << "\n total energy deposit: " 
        << G4BestUnit(edep/dNbOfEvents, "Energy") << G4endl;
             
 //nb of tracks and steps per event
 //           
 G4cout << "\n nb tracks/event"
        << "   neutral: " << std::setw(10) << NbOfTraks0/dNbOfEvents
        << "   charged: " << std::setw(10) << NbOfTraks1/dNbOfEvents
        << "\n nb  steps/event"
        << "   neutral: " << std::setw(10) << NbOfSteps0/dNbOfEvents
        << "   charged: " << std::setw(10) << NbOfSteps1/dNbOfEvents
        << G4endl;
      
 //frequency of processes call
 std::map<G4String,G4int>::iterator it;         
 G4cout << "\n nb of process calls per event: \n   ";        
 for (it = procCounter.begin(); it != procCounter.end(); it++)  
    G4cout << std::setw(12) << it->first;
           
 G4cout << "\n   ";       
 for (it = procCounter.begin(); it != procCounter.end(); it++)   
    G4cout << std::setw(12) << (it->second)/dNbOfEvents;
 G4cout << G4endl;
      
 //compute true and projected ranges, and transverse dispersion
 //
 trueRange /= NbOfEvents; trueRange2 /= NbOfEvents;
 G4double trueRms = trueRange2 - trueRange*trueRange;        
 if (trueRms>0.) trueRms = std::sqrt(trueRms); else trueRms = 0.;
      
 projRange /= NbOfEvents; projRange2 /= NbOfEvents;
 G4double projRms = projRange2 - projRange*projRange;        
 if (projRms>0.) projRms = std::sqrt(projRms); else projRms = 0.;
       
 transvDev /= 2*NbOfEvents; transvDev2 /= 2*NbOfEvents;
 G4double trvsRms = transvDev2 - transvDev*transvDev;        
 if (trvsRms>0.) trvsRms = std::sqrt(trvsRms); else trvsRms = 0.;
 
 //compare true range with csda range from PhysicsTables
 //
 G4EmCalculator emCalculator;
 G4double rangeTable = 0.;
 if (particle->GetPDGCharge() != 0.)
   rangeTable = emCalculator.GetCSDARange(energy,particle,material);
      
 G4cout << "\n---------------------------------------------------------\n";
 G4cout << " Primary particle : " ;
 G4cout << "\n true Range = " << G4BestUnit(trueRange,"Length")
        << "   rms = "        << G4BestUnit(trueRms,  "Length");

 G4cout << "\n proj Range = " << G4BestUnit(projRange,"Length")
        << "   rms = "        << G4BestUnit(projRms,  "Length");
             
 G4cout << "\n proj/true  = " << projRange/trueRange;
             
 G4cout << "\n transverse dispersion at end = " 
        << G4BestUnit(trvsRms,"Length");
        
 G4cout << "\n      mass true Range from simulation = " 
        << G4BestUnit(trueRange*density, "Mass/Surface")
        << "\n       from PhysicsTable (csda range) = " 
        << G4BestUnit(rangeTable*density, "Mass/Surface");      
 G4cout << "\n---------------------------------------------------------\n";
 G4cout << G4endl;
 
 // reset default precision
 G4cout.precision(prec);
                                    
  // remove all contents in procCounter 
  procCounter.clear();
    
  //save histograms      
  histoManager->save();
  
  // show Rndm status
  CLHEP::HepRandom::showEngineStatus(); 
}

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