extended/electromagnetic/TestEm7/src/SteppingAction.cc

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// $Id: SteppingAction.cc 110643 2018-06-04 16:49:29Z gcosmo $
//
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#include "SteppingAction.hh"
#include "G4Step.hh"
#include "G4StepPoint.hh"
#include "DetectorConstruction.hh"
#include "RunAction.hh"
#include "Randomize.hh"

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SteppingAction::SteppingAction(DetectorConstruction* det, RunAction* RuAct)
:G4UserSteppingAction(),fDetector(det), fRunAction(RuAct)
{ }

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SteppingAction::~SteppingAction()
{ }

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void SteppingAction::UserSteppingAction(const G4Step* step)
{
  G4double edep = step->GetTotalEnergyDeposit();
  if (edep <= 0.) return;

  G4StepPoint* prePoint  = step->GetPreStepPoint();
  G4StepPoint* postPoint = step->GetPostStepPoint();

  G4int copyNb = prePoint->GetTouchableHandle()->GetCopyNumber();
  if (copyNb > 0) { fRunAction->FillTallyEdep(copyNb-1, edep); }

  G4double niel = step->GetNonIonizingEnergyDeposit();
  fRunAction->FillEdep(edep, niel);
  
  if (step->GetTrack()->GetTrackID() == 1) {
    fRunAction->AddPrimaryStep();
    /*
    G4cout << step->GetTrack()->GetMaterial()->GetName()
           << "  E1= " << step->GetPreStepPoint()->GetKineticEnergy()
           << "  E2= " << step->GetPostStepPoint()->GetKineticEnergy()
           << " Edep= " << edep 
           << " Q= " << step->GetTrack()->GetDynamicParticle()->GetCharge()
           << " Qp= " << step->GetPostStepPoint()->GetCharge()
           << G4endl;
    */
  } 

  //Bragg curve
  //        
  G4double xmax = fDetector->GetAbsorSizeX();
   
  G4double x1 = prePoint->GetPosition().x() + xmax*0.5;
  G4double x2 = postPoint->GetPosition().x() + xmax*0.5;
  if(x1 >= 0.0 && x2 <= xmax) {  
    G4double x  = x1 + G4UniformRand()*(x2-x1);
    if (step->GetTrack()->GetDefinition()->GetPDGCharge() == 0.) x = x2;
    G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
    analysisManager->FillH1(1, x, edep);  
    analysisManager->FillH1(2, x, edep);
  }
}

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