examples/extended/medical/fanoCavity2/src/RunAction.cc

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/// \file medical/fanoCavity2/src/RunAction.cc
/// \brief Implementation of the RunAction class
//
// $Id: RunAction.cc 71035 2013-06-10 09:17:35Z gcosmo $
// 
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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 "G4Electron.hh"

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

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RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* kin)
:fDetector(det),fKinematic(kin),fProcCounter(0),fHistoManager(0)
{
 fHistoManager = new HistoManager();
}

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RunAction::~RunAction()
{
 delete fHistoManager; 
}

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void RunAction::BeginOfRunAction(const G4Run* aRun)
{    
  // do not save Rndm status
  G4RunManager::GetRunManager()->SetRandomNumberStore(false);
  CLHEP::HepRandom::showEngineStatus();
  
  G4cout << "### Run " << aRun->GetRunID() << " start." << G4endl;
    
  G4int NbofEvents = aRun->GetNumberOfEventToBeProcessed();
  if (NbofEvents == 0) return;
  
  //run conditions
  //     
  G4ParticleDefinition* particleGun 
                    = fKinematic->GetParticleGun()->GetParticleDefinition();
  G4String partName = particleGun->GetParticleName();                             
  fEnergyGun = fKinematic->GetParticleGun()->GetParticleEnergy();
  
  //geometry : effective wall volume
  //  
  G4double cavityThickness = fDetector->GetCavityThickness();             
  G4Material* mateCavity   = fDetector->GetCavityMaterial();
  G4double densityCavity   = mateCavity->GetDensity();
  fMassCavity = cavityThickness*densityCavity;
      
  G4double wallThickness = fDetector->GetWallThickness();
  G4Material* mateWall   = fDetector->GetWallMaterial();
  G4double densityWall   = mateWall->GetDensity();
  
  G4EmCalculator emCal;
  G4double RangeWall = emCal.GetCSDARange(fEnergyGun,particleGun,mateWall);
  G4double factor = 1.2;
  G4double effWallThick = factor*RangeWall;
  if ((effWallThick > wallThickness)||(effWallThick <= 0.))
    effWallThick = wallThickness;
  fMassWall = 2*effWallThick*densityWall;  
  
  G4double massTotal     = fMassWall + fMassCavity;
  G4double fMassWallRatio = fMassWall/massTotal;  
  fKinematic->RunInitialisation(effWallThick, fMassWallRatio ); 
     
  G4double massRatio = fMassCavity/fMassWall;
  
  //check radius
  //
  G4double worldRadius = fDetector->GetWorldRadius();
  G4double RangeCavity = emCal.GetCSDARange(fEnergyGun,particleGun,mateCavity);
    
  std::ios::fmtflags mode = G4cout.flags();
  G4cout.setf(std::ios::fixed,std::ios::floatfield);
  G4int prec = G4cout.precision(3);
  
  G4cout << "\n ======================== run conditions =====================\n";
  
  G4cout << "\n The run will be " << NbofEvents << " "<< partName << " of "
         << G4BestUnit(fEnergyGun,"Energy") << " through 2*" 
         << G4BestUnit(effWallThick,"Length") << " of "
         << mateWall->GetName() << " (density: " 
         << G4BestUnit(densityWall,"Volumic Mass") << "); Mass/cm2 = "
         << G4BestUnit(fMassWall*cm2,"Mass") 
         << "\n csdaRange: " << G4BestUnit(RangeWall,"Length") << G4endl;
         
  G4cout << "\n the cavity is "
         << G4BestUnit(cavityThickness,"Length") << " of "
         << mateCavity->GetName() << " (density: " 
         << G4BestUnit(densityCavity,"Volumic Mass") << "); Mass/cm2 = " 
         << G4BestUnit(fMassCavity*cm2,"Mass") 
         << " --> massRatio = " << std::setprecision(6) << massRatio << G4endl;
          
  G4cout.precision(3);         
  G4cout << " World radius: " << G4BestUnit(worldRadius,"Length")
         << "; range in cavity: " << G4BestUnit(RangeCavity,"Length")
         << G4endl;         
                  
  G4cout << "\n ============================================================\n";
               
  //stopping power from EmCalculator
  //
  G4double dedxWall = 
      emCal.GetDEDX(fEnergyGun,G4Electron::Electron(),mateWall);
  dedxWall /= densityWall;
  G4double dedxCavity = 
      emCal.GetDEDX(fEnergyGun,G4Electron::Electron(),mateCavity);
  dedxCavity /= densityCavity;
  
  G4cout << std::setprecision(4)
         << "\n StoppingPower in wall   = " 
         << G4BestUnit(dedxWall,"Energy*Surface/Mass")
         << "\n               in cavity = " 
         << G4BestUnit(dedxCavity,"Energy*Surface/Mass")
         << G4endl;
                  
  //process counter
  //
  fProcCounter = new ProcessesCount;
  
  //charged particles and energy flow in cavity
  //
  fPartFlowCavity[0] = fPartFlowCavity[1] = 0;
  fEnerFlowCavity[0] = fEnerFlowCavity[1] = 0.;
       
  //total energy deposit and charged track segment in cavity
  //
  fEdepCavity = fEdepCavity2 = fTrkSegmCavity = 0.;
  fNbEventCavity = 0;
      
  //stepLenth of charged particles
  //
  fStepWall = fStepWall2 = fStepCavity = fStepCavity2 =0.;
  fNbStepWall = fNbStepCavity = 0;
    
  //histograms
  //
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
  if ( analysisManager->IsActive() ) {
    analysisManager->OpenFile();
  }         
  
  // reset default formats
  G4cout.setf(mode,std::ios::floatfield);
  G4cout.precision(prec);      
}

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void RunAction::CountProcesses(G4String procName)
{
   //does the process  already encounted ?
   size_t nbProc = fProcCounter->size();
   size_t i = 0;
   while ((i<nbProc)&&((*fProcCounter)[i]->GetName()!=procName)) i++;
   if (i == nbProc) fProcCounter->push_back( new OneProcessCount(procName));

   (*fProcCounter)[i]->Count();
}

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void RunAction::SurveyConvergence(G4int NbofEvents)
{  
  if (NbofEvents == 0) return;
    
                  
  //beam fluence
  //
  G4int Nwall   = fKinematic->GetWallCount();
  G4int Ncavity = fKinematic->GetCavityCount();
  G4double Iwall   = Nwall/fMassWall;    
  G4double Icavity = Ncavity/fMassCavity;
  G4double Iratio  = Icavity/Iwall;
  G4double Itot    = NbofEvents/(fMassWall+fMassCavity);
  G4double energyFluence = fEnergyGun*Itot;
           
  //total dose in cavity
  //                   
  G4double doseCavity = fEdepCavity/fMassCavity;
  G4double ratio = doseCavity/energyFluence;
  G4double err = 100*(ratio-1.);

  std::ios::fmtflags mode = G4cout.flags();
  G4cout.setf(std::ios::fixed,std::ios::floatfield);
  G4int prec = G4cout.precision(5);
  
  G4cout << "\n--->evntNb= " << NbofEvents 
         << " Nwall= " << Nwall
         << " Ncav= "  << Ncavity
         << " Ic/Iw= " << Iratio        
         << " Ne-_cav= " << fPartFlowCavity[0]
         << " doseCavity/Ebeam= " << ratio 
         << "  (100*(ratio-1) = " << err << " %)"
         << G4endl;
         
  // reset default formats
  G4cout.setf(mode,std::ios::floatfield);
  G4cout.precision(prec);  
}

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void RunAction::EndOfRunAction(const G4Run* aRun)
{
  std::ios::fmtflags mode = G4cout.flags();
  G4cout.setf(std::ios::fixed,std::ios::floatfield);
  G4int prec = G4cout.precision(3);
  
  G4int NbofEvents = aRun->GetNumberOfEvent();
  if (NbofEvents == 0) return;

  //frequency of processes
  //
  G4cout << "\n Process calls frequency --->";
  for (size_t i=0; i< fProcCounter->size();i++) {
     G4String procName = (*fProcCounter)[i]->GetName();
     G4int    count    = (*fProcCounter)[i]->GetCounter(); 
     G4cout << "  " << procName << "= " << count;
  }
  G4cout << G4endl;
          
  //charged particle flow in cavity
  //
  G4cout 
    << "\n Charged particle flow in cavity :"
    << "\n      Enter --> nbParticles = " << fPartFlowCavity[0]
    << "\t Energy = " << G4BestUnit (fEnerFlowCavity[0], "Energy")
    << "\n      Exit  --> nbParticles = " << fPartFlowCavity[1]
    << "\t Energy = " << G4BestUnit (fEnerFlowCavity[1], "Energy")
    << G4endl;
             
  if (fPartFlowCavity[0] == 0) return;
                  
  //beam fluence
  //
  G4int Nwall   = fKinematic->GetWallCount();
  G4int Ncavity = fKinematic->GetCavityCount();  
  G4double Iwall   = Nwall/fMassWall;
  G4double Icavity = Ncavity/fMassCavity;
  G4double Iratio  = Icavity/Iwall;
  G4double Itot    = NbofEvents/(fMassWall+fMassCavity);
  G4double energyFluence = fEnergyGun*Itot;  
  
  G4cout.precision(5);       
  G4cout 
    << "\n beamFluence in wall = " << Nwall
    << "\t in cavity = " << Ncavity
    << "\t Icav/Iwall = " << Iratio        
    << "\t energyFluence = " << energyFluence/(MeV*cm2/mg) << " MeV*cm2/mg"
    << G4endl;
  
  //error on Edep in cavity
  //
  if (fNbEventCavity == 0) return;
  G4double meanEdep  = fEdepCavity/fNbEventCavity;
  G4double meanEdep2 = fEdepCavity2/fNbEventCavity;
  G4double varianceEdep = meanEdep2 - meanEdep*meanEdep;
  G4double dEoverE = 0.;
  if(varianceEdep>0.) dEoverE = std::sqrt(varianceEdep/fNbEventCavity)/meanEdep;
               
  //total dose in cavity
  //                   
  G4double doseCavity = fEdepCavity/fMassCavity;
  G4double ratio = doseCavity/energyFluence, error = ratio*dEoverE;
                    
  G4cout 
    << "\n Total edep in cavity = "      << G4BestUnit(fEdepCavity,"Energy")
    << " +- " << 100*dEoverE << " %"        
    << "\n Total dose in cavity = " << doseCavity/(MeV*cm2/mg) << " MeV*cm2/mg"
    << " +- " << 100*dEoverE << " %"          
    << "\n\n DoseCavity/EnergyFluence = " << ratio 
    << " +- " << error << G4endl;
    

  //track length in cavity
  G4double meantrack = fTrkSegmCavity/fPartFlowCavity[0];
  
  G4cout.precision(4); 
  G4cout  
    << "\n Total charged trackLength in cavity = " 
    << G4BestUnit(fTrkSegmCavity,"Length")
    << "   (mean value = " << G4BestUnit(meantrack,"Length") << ")"       
    << G4endl;
                  
  //compute mean step size of charged particles
  //
  fStepWall /= fNbStepWall; fStepWall2 /= fNbStepWall;
  G4double rms = fStepWall2 - fStepWall*fStepWall;        
  if (rms>0.) rms = std::sqrt(rms); else rms = 0.;
  G4double nbTrackWall = fKinematic->GetWallCount();

  G4cout 
    << "\n StepSize of ch. tracks in wall   = " 
    << G4BestUnit(fStepWall,"Length") << " +- " << G4BestUnit( rms,"Length")
    << "\t (nbSteps/track = " << double(fNbStepWall)/nbTrackWall << ")";
    
  fStepCavity /= fNbStepCavity; fStepCavity2 /= fNbStepCavity;
  rms = fStepCavity2 - fStepCavity*fStepCavity;        
  if (rms>0.) rms = std::sqrt(rms); else rms = 0.;

  G4cout 
    << "\n StepSize of ch. tracks in cavity = " 
    << G4BestUnit(fStepCavity,"Length") << " +- " << G4BestUnit( rms,"Length")
    << "\t (nbSteps/track = " << double(fNbStepCavity)/fPartFlowCavity[0] << ")";
        
  G4cout << G4endl;
  
   // reset default formats
  G4cout.setf(mode,std::ios::floatfield);
  G4cout.precision(prec);
  
  // delete and remove all contents in fProcCounter 
  while (fProcCounter->size()>0){
    OneProcessCount* aProcCount=fProcCounter->back();
    fProcCounter->pop_back();
    delete aProcCount;
  }
  delete fProcCounter;
  
  // save histograms
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
  if ( analysisManager->IsActive() ) {
    analysisManager->Write();
    analysisManager->CloseFile();
  }        
 
  // show Rndm status
  CLHEP::HepRandom::showEngineStatus();
}

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