extended/electromagnetic/TestEm2/src/SteppingAction.cc

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// $Id: SteppingAction.cc 78550 2014-01-07 09:43:41Z gcosmo $
//
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#include "SteppingAction.hh"
#include "DetectorConstruction.hh"
#include "Run.hh"

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

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

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SteppingAction::~SteppingAction()
{}

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void SteppingAction::UserSteppingAction(const G4Step* step)
{ 
  // energy deposit
  //
  G4double dEStep = step->GetTotalEnergyDeposit();
  Run* run 
    = static_cast<Run*>(G4RunManager::GetRunManager()->GetNonConstCurrentRun());
  run->AddStep(step->GetTrack()->GetDefinition()->GetPDGCharge());
  if (dEStep > 0.) {
    G4ThreeVector prePoint  = step->GetPreStepPoint()->GetPosition();
    G4ThreeVector delta = step->GetPostStepPoint()->GetPosition() - prePoint;
    prePoint += G4UniformRand()*delta;
    G4double x = prePoint.x(), y = prePoint.y(), z = prePoint.z();
    G4double radius = std::sqrt(x*x + y*y);
    G4double offset = 0.5*fDetector->GetfullLength();
    G4int SlideNb = G4int((z + offset)/fDetector->GetdLlength());
    G4int RingNb  = G4int(radius/fDetector->GetdRlength());        
    run->FillPerStep(dEStep,SlideNb,RingNb);
  }
}

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