Run.cc

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//
// $Id: Run.cc 71376 2013-06-14 07:44:50Z maire $
// 
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#include "Run.hh"
#include "DetectorConstruction.hh"

#include "HistoManager.hh"
#include "PrimaryGeneratorAction.hh"

#include "G4Material.hh"
#include "G4SystemOfUnits.hh"
#include "G4UnitsTable.hh"

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Run::Run(DetectorConstruction* detector)
: G4Run(),
  fDetector(detector),
  fParticle(0), fEkin(0.),  
  fEdeposit(0.),  fEdeposit2(0.),
  fTrackLen(0.),  fTrackLen2(0.),
  fProjRange(0.), fProjRange2(0.),
  fNbOfSteps(0), fNbOfSteps2(0),
  fStepSize(0.),  fStepSize2(0.),
  fCsdaRange(0.)
{ }

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Run::~Run()
{ }

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void Run::SetPrimary (G4ParticleDefinition* particle, G4double energy)
{ 
  fParticle = particle;
  fEkin     = energy;
}

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void Run::AddEdep (G4double e)        
{
  fEdeposit  += e;
  fEdeposit2 += e*e;
}

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void Run::AddTrackLength (G4double t) 
{
  fTrackLen  += t;
  fTrackLen2 += t*t;
}

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void Run::AddProjRange (G4double x) 
{
  fProjRange  += x;
  fProjRange2 += x*x;
}

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void Run::AddStepSize (G4int nb, G4double st)
{
  fNbOfSteps  += nb; 
  fNbOfSteps2 += nb*nb;
  fStepSize   += st ; 
  fStepSize2  += st*st;  
}

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void Run::SetCsdaRange(G4double value) 
{
  fCsdaRange = value;
}

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G4double Run::GetCsdaRange() 
{
  return fCsdaRange;
}
       
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void Run::Merge(const G4Run* run)
{
  const Run* localRun = static_cast<const Run*>(run);
  
  // pass information about primary particle
  fParticle = localRun->fParticle;
  fEkin     = localRun->fEkin;

  // accumulate sums
  fEdeposit   += localRun->fEdeposit;
  fEdeposit2  += localRun->fEdeposit2;
  fTrackLen   += localRun->fTrackLen;  
  fTrackLen2  += localRun->fTrackLen2;
  fProjRange  += localRun->fProjRange; 
  fProjRange2 += localRun->fProjRange2;
  fNbOfSteps  += localRun->fNbOfSteps ;
  fNbOfSteps2 += localRun->fNbOfSteps2;
  fStepSize   += localRun->fStepSize;  
  fStepSize2  += localRun->fStepSize2;
  
  fCsdaRange   = localRun->fCsdaRange;

  G4Run::Merge(run); 
} 

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void Run::EndOfRun() 
{
  std::ios::fmtflags mode = G4cout.flags();
  G4cout.setf(std::ios::fixed,std::ios::floatfield);
  G4int prec = G4cout.precision(2);
  
  //run conditions  
  //
  G4Material* material = fDetector->GetAbsorMaterial();
  G4double density  = material->GetDensity();       
  G4String partName = fParticle->GetParticleName();
  
  G4cout << "\n ======================== run summary =====================\n";  
  G4cout 
    << "\n The run is " << numberOfEvent << " "<< partName << " of "
    << G4BestUnit(fEkin,"Energy") << " through "
    << G4BestUnit(fDetector->GetAbsorRadius(),"Length") << " of "
    << material->GetName() << " (density: " 
    << G4BestUnit(density,"Volumic Mass") << ")" << G4endl;    

  if (numberOfEvent == 0) {
    G4cout.setf(mode,std::ios::floatfield);
    G4cout.precision(prec);  
    return;
  }
      
  fEdeposit /= numberOfEvent; fEdeposit2 /= numberOfEvent;
  G4double rms = fEdeposit2 - fEdeposit*fEdeposit;        
  if (rms>0.) rms = std::sqrt(rms); else rms = 0.;

  G4cout.precision(3);       
  G4cout 
    << "\n Total Energy deposited        = " << G4BestUnit(fEdeposit,"Energy")
    << " +- "                                << G4BestUnit( rms,"Energy")
    << G4endl;
              
  //compute track length of primary track
  //
  fTrackLen /= numberOfEvent; fTrackLen2 /= numberOfEvent;
  rms = fTrackLen2 - fTrackLen*fTrackLen;        
  if (rms>0.) rms = std::sqrt(rms); else rms = 0.;

  G4cout.precision(3);       
  G4cout 
    << "\n Track length of primary track = " << G4BestUnit(fTrackLen,"Length")
    << " +- "                                << G4BestUnit( rms,"Length");
    
  //compare with csda range
  //
  G4cout 
    << "\n Range from EmCalculator = " << G4BestUnit(fCsdaRange,"Length")
    << " (from full dE/dx)" << G4endl;

                     
  //compute projected range of primary track
  //
  fProjRange /= numberOfEvent; fProjRange2 /= numberOfEvent;
  rms = fProjRange2 - fProjRange*fProjRange;        
  if (rms>0.) rms = std::sqrt(rms); else rms = 0.;
   
  G4cout 
    << "\n Projected range               = " << G4BestUnit(fProjRange,"Length")
    << " +- "                                << G4BestUnit( rms,"Length")    
    << G4endl;
    
  //nb of steps and step size of primary track
  //
  G4double dNofEvents = double(numberOfEvent);
  G4double fNbSteps  = fNbOfSteps/dNofEvents, 
           fNbSteps2 = fNbOfSteps2/dNofEvents;
  rms = fNbSteps2 - fNbSteps*fNbSteps;       
  if (rms>0.) rms = std::sqrt(rms); else rms = 0.;

  G4cout.precision(2);       
  G4cout << "\n Nb of steps of primary track  = " << fNbSteps << " +- " << rms;
    
  fStepSize /= numberOfEvent; fStepSize2 /= numberOfEvent;
  rms = fStepSize2 - fStepSize*fStepSize;        
  if (rms>0.) rms = std::sqrt(rms); else rms = 0.;

  G4cout.precision(3);       
  G4cout 
    << "\t Step size= " << G4BestUnit(fStepSize,"Length")
    << " +- "           << G4BestUnit( rms,"Length")
    << G4endl;

  // normalize histograms of longitudinal energy profile
  //
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
  G4int ih = 1;
  G4double binWidth = analysisManager->GetH1Width(ih)
                     *analysisManager->GetH1Unit(ih);
  G4double fac = (1./(numberOfEvent*binWidth))*(mm/MeV);
  analysisManager->ScaleH1(ih,fac);
    
  // normalize histogram d(E/E0)/d(r/r0)
  //    
  ih = 8;
  binWidth = analysisManager->GetH1Width(ih);
  fac = 1./(numberOfEvent*binWidth*fEkin);
  analysisManager->ScaleH1(ih,fac);
    
  // reset default formats
  G4cout.setf(mode,std::ios::floatfield);
  G4cout.precision(prec);
}

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