extended/medical/dna/spower/src/Run.cc

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

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

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Run::Run(const DetectorConstruction* detector)
: G4Run(),
  fDetector(detector),
  fParticle(0), fEkin(0.),  
  fSP(0.),  fSP2(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::AddSP (G4double t) 
{
  fSP  += t;
  fSP2 += t*t;
}

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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
  fSP   += localRun->fSP;
  fSP2  += localRun->fSP2;

  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 a sphere of radius "
    << 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;
  }
                    
  //compute stopping power
  //
  fSP /= numberOfEvent; fSP2 /= numberOfEvent;
  G4double rms = fSP2 - fSP*fSP;      
        
  if (rms>0.) rms = std::sqrt(rms); else rms = 0.;

  G4cout 
  << "\n total Stopping Power (keV/um)   = "<< fSP/(keV/um)
  << " +- "                                << rms/(keV/um)    
  << G4endl;
    
  //output file
  //
  FILE* myFile;
  myFile=fopen("spower.txt","a");
  fprintf(myFile,"%e %e %e \n",
     fEkin/eV,
     fSP/(keV/um),
     rms/(keV/um));
  fclose(myFile);

  //reset default formats
  //
  G4cout.setf(mode,std::ios::floatfield);
  G4cout.precision(prec);

}