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/// \file B1RunAction.cc
/// \brief Implementation of the B1RunAction class

#include "B1RunAction.hh"
#include "B1PrimaryGeneratorAction.hh"
#include "B1DetectorConstruction.hh"
#include "B1Run.hh"

#include "G4RunManager.hh"
#include "G4LogicalVolumeStore.hh"
#include "G4LogicalVolume.hh"
#include "G4UnitsTable.hh"
#include "G4SystemOfUnits.hh"

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B1RunAction::B1RunAction()
: G4UserRunAction()
{ 
  // add new units for dose
  // 
  const G4double milligray = 1.e-3*gray;
  const G4double microgray = 1.e-6*gray;
  const G4double nanogray  = 1.e-9*gray;  
  const G4double picogray  = 1.e-12*gray;
   
  new G4UnitDefinition("milligray", "milliGy" , "Dose", milligray);
  new G4UnitDefinition("microgray", "microGy" , "Dose", microgray);
  new G4UnitDefinition("nanogray" , "nanoGy"  , "Dose", nanogray);
  new G4UnitDefinition("picogray" , "picoGy"  , "Dose", picogray);        
}

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B1RunAction::~B1RunAction()
{}

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G4Run* B1RunAction::GenerateRun()
{
  return new B1Run; 
}

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void B1RunAction::BeginOfRunAction(const G4Run*)
{ 
  //inform the runManager to save random number seed
  G4RunManager::GetRunManager()->SetRandomNumberStore(false);
}

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void B1RunAction::EndOfRunAction(const G4Run* run)
{
  G4int nofEvents = run->GetNumberOfEvent();
  if (nofEvents == 0) return;
  
  const B1Run* b1Run = static_cast<const B1Run*>(run);

  // Compute dose
  //
  G4double edep  = b1Run->GetEdep();
  G4double edep2 = b1Run->GetEdep2();
  G4double rms = edep2 - edep*edep/nofEvents;
  if (rms > 0.) rms = std::sqrt(rms); else rms = 0.;

  const B1DetectorConstruction* detectorConstruction
   = static_cast<const B1DetectorConstruction*>
     (G4RunManager::GetRunManager()->GetUserDetectorConstruction());
  G4double mass = detectorConstruction->GetScoringVolume()->GetMass();
  G4double dose = edep/mass;
  G4double rmsDose = rms/mass;

  // Run conditions
  //  note: There is no primary generator action object for "master"
  //        run manager for multi-threaded mode.
  const B1PrimaryGeneratorAction* generatorAction
   = static_cast<const B1PrimaryGeneratorAction*>
     (G4RunManager::GetRunManager()->GetUserPrimaryGeneratorAction());
  G4String runCondition;
  if (generatorAction)
  {
    const G4ParticleGun* particleGun = generatorAction->GetParticleGun();
    runCondition += particleGun->GetParticleDefinition()->GetParticleName();
    runCondition += " of ";
    G4double particleEnergy = particleGun->GetParticleEnergy();
    runCondition += G4BestUnit(particleEnergy,"Energy");
  }
        
  // Print
  //  
  if (IsMaster()) {
    G4cout
     << "\n--------------------End of Global Run-----------------------";
  }
  else {
    G4cout
     << "\n--------------------End of Local Run------------------------";
  }
  
  G4cout
     << "\n The run consists of " << nofEvents << " "<< runCondition
     << "\n Dose in scoring volume : " 
     << G4BestUnit(dose,"Dose") << " +- " << G4BestUnit(rmsDose,"Dose")
     << "\n------------------------------------------------------------\n"
     << G4endl;
}

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