SteppingAction.cc

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// -------------------------------------------------------------------
// $Id$
// -------------------------------------------------------------------

#include "SteppingAction.hh"
#include "G4SystemOfUnits.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

SteppingAction::SteppingAction(RunAction* run,DetectorConstruction* det,PrimaryGeneratorAction* pri, HistoManager* his)
:Run(run),Detector(det),Primary(pri),Histo(his)
{ }

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

SteppingAction::~SteppingAction()
{ }

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

void SteppingAction::UserSteppingAction(const G4Step* step)
  
{ 

if (Detector->GetCoef()==1) 
{

  if  ( (step->GetTrack()->GetDynamicParticle()->GetDefinition() == 
       G4Proton::ProtonDefinition())

/*
// for doublet

     && (step->GetPostStepPoint()->GetPosition().z()/mm>-3230.2)
         && (step->GetPostStepPoint()->GetPosition().z()/mm<-3229.8) 
*/

// for triplet and whole line

     && (step->GetPostStepPoint()->GetPosition().z()/mm>249.99999)
         && (step->GetPostStepPoint()->GetPosition().z()/mm<250.00001) 
         && (step->GetPreStepPoint()->GetTouchableHandle()->GetVolume()->GetLogicalVolume()  == Detector->GetLogicalVol())
         && (step->GetPostStepPoint()->GetTouchableHandle()->GetVolume()->GetLogicalVolume() == Detector->GetLogicalWorld())
     )
        
     {
              xIn = step->GetPostStepPoint()->GetPosition().x();
          yIn = step->GetPostStepPoint()->GetPosition().y();
          zIn = step->GetPostStepPoint()->GetPosition().z();
          E   = step->GetTrack()->GetKineticEnergy();

              G4ThreeVector angleIn;
              angleIn = step->GetTrack()->GetMomentumDirection();

              thetaIn = std::asin(angleIn[0]/std::sqrt(angleIn[0]*angleIn[0]+angleIn[1]*angleIn[1]+angleIn[2]*angleIn[2]));
              phiIn = std::asin(angleIn[1]/std::sqrt(angleIn[0]*angleIn[0]+angleIn[1]*angleIn[1]+angleIn[2]*angleIn[2]));

              G4cout << "    =>IMAGE : X(microns)=" << xIn/micrometer <<" Y(microns)="<< yIn/micrometer << " THETA(mrad)=" << (thetaIn/mrad) << " PHI(mrad)=" << (phiIn/mrad) << G4endl;
          G4cout << G4endl;

              Run->AddRow();
              Run->AddToXVector(xIn/um);
              Run->AddToYVector(yIn/um);
              Run->AddToThetaVector(thetaIn/mrad);
              Run->AddToPhiVector(phiIn/mrad);

          Histo->FillNtuple(2, 0, xIn/um);
          Histo->FillNtuple(2, 1, yIn/um);
          Histo->FillNtuple(2, 2, thetaIn/mrad);
          Histo->FillNtuple(2, 3, phiIn/mrad);
          Histo->AddRowNtuple(2);      

     }
}

if (Detector->GetProfile()==1) 
{

    if  (
        (step->GetTrack()->GetDynamicParticle()->GetDefinition() == G4Proton::ProtonDefinition())
         && (step->GetPreStepPoint()->GetTouchableHandle()->GetVolume()->GetLogicalVolume()  == Detector->GetLogicalVol())
         && (step->GetPostStepPoint()->GetTouchableHandle()->GetVolume()->GetLogicalVolume() == Detector->GetLogicalVol()) )
    {
              xIn = step->GetPostStepPoint()->GetPosition().x();
          yIn = step->GetPostStepPoint()->GetPosition().y();
          zIn = step->GetPostStepPoint()->GetPosition().z();
          
          Histo->FillNtuple(0, 0, xIn/um);
          Histo->FillNtuple(0, 1, yIn/um);
          Histo->FillNtuple(0, 2, zIn/mm);
          Histo->AddRowNtuple(0);      
    }
}
    
if (Detector->GetGrid()==1) 
{

    if  (
        (step->GetTrack()->GetDynamicParticle()->GetDefinition() == G4Proton::ProtonDefinition())
         && (step->GetPreStepPoint()->GetTouchableHandle()->GetVolume()->GetLogicalVolume()  == Detector->GetLogicalGrid())
         && (step->GetPostStepPoint()->GetTouchableHandle()->GetVolume()->GetLogicalVolume() == Detector->GetLogicalWorld()) )
    {
              xIn = step->GetPostStepPoint()->GetPosition().x();
          yIn = step->GetPostStepPoint()->GetPosition().y();
              E   = step->GetTrack()->GetKineticEnergy();

          Histo->FillNtuple(1, 0, xIn/um);
          Histo->FillNtuple(1, 1, yIn/um);
          Histo->FillNtuple(1, 2, E/MeV);
          Histo->AddRowNtuple(1);
    }
}

// end
}