extended/hadronic/Hadr07/src/SteppingAction.cc

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// $Id: SteppingAction.cc 95740 2016-02-23 09:34:37Z gcosmo $
//
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#include "SteppingAction.hh"
#include "DetectorConstruction.hh"
#include "EventAction.hh"
#include "Run.hh"
#include "HistoManager.hh"

#include "G4SteppingManager.hh"
#include "G4RunManager.hh"
#include "Randomize.hh"

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SteppingAction::SteppingAction(DetectorConstruction* det, EventAction* event)
:G4UserSteppingAction(),fDetector(det), fEventAction(event)
{ }

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SteppingAction::~SteppingAction()
{ }

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void SteppingAction::UserSteppingAction(const G4Step* step)
{
  // count processes
  // 
  const G4StepPoint* endPoint = step->GetPostStepPoint();
  const G4VProcess* process   = endPoint->GetProcessDefinedStep();
  Run* run = static_cast<Run*>(
        G4RunManager::GetRunManager()->GetNonConstCurrentRun());
  run->CountProcesses(process);
  
 G4double edep = step->GetTotalEnergyDeposit();
 if (edep <= 0.) return;
 
 G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();     
 
 //longitudinal profile of deposited energy
 //randomize point of energy deposition
 //
 G4StepPoint* prePoint  = step->GetPreStepPoint();
 G4StepPoint* postPoint = step->GetPostStepPoint(); 
 G4ThreeVector P1 = prePoint ->GetPosition();
 G4ThreeVector P2 = postPoint->GetPosition();
 G4ThreeVector point = P1 + G4UniformRand()*(P2 - P1);
 if (step->GetTrack()->GetDefinition()->GetPDGCharge() == 0.) point = P2;
 G4double x = point.x();
 G4double xshifted = x + 0.5*fDetector->GetAbsorSizeX();  
 analysisManager->FillH1(10, xshifted, edep);

 //total energy deposit in absorbers
 //
 G4int iabs = prePoint->GetTouchableHandle()->GetCopyNumber(0); 
 if (iabs > 0) fEventAction->AddEdep(iabs, edep);
}

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