Geant4  10.03.p03
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SteppingAction.cc
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29 // $Id: SteppingAction.cc 98772 2016-08-09 14:25:31Z gcosmo $
30 //
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33 
34 #include "SteppingAction.hh"
35 #include "DetectorConstruction.hh"
36 #include "PrimaryGeneratorAction.hh"
37 #include "RunAction.hh"
38 
39 #include "G4RunManager.hh"
40 #include "G4PolarizationHelper.hh"
41 
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43 
45  PrimaryGeneratorAction* prim, RunAction* ruAct)
47  fDetector(det), fPrimary(prim), fRunAction(ruAct)
48 { }
49 
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51 
53 { }
54 
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56 
58 {
59  G4StepPoint* prePoint = aStep->GetPreStepPoint();
60  G4StepPoint* endPoint = aStep->GetPostStepPoint();
61 
62  G4String procName = endPoint->GetProcessDefinedStep()->GetProcessName();
63  fRunAction->CountProcesses(procName);
64 
65  if (prePoint->GetTouchableHandle()->GetVolume()==fDetector->GetBox() &&
66  endPoint->GetTouchableHandle()->GetVolume()==fDetector->GetWorld()) {
67  G4Track* aTrack = aStep->GetTrack();
68  const G4ParticleDefinition* part =
69  aTrack->GetDynamicParticle()->GetDefinition();
70  // G4cout<<"a "<<particleName<<" left the Box \n";
71  G4ThreeVector position = endPoint->GetPosition();
72  G4ThreeVector direction = endPoint->GetMomentumDirection();
73  G4double kinEnergy = endPoint->GetKineticEnergy();
74 
75  G4ThreeVector beamDirection =
77  G4double polZ = endPoint->GetPolarization().z();
78 
79  G4double costheta = direction*beamDirection;
80 
81  G4double xdir =
82  direction*G4PolarizationHelper::GetParticleFrameX(beamDirection);
83  G4double ydir =
84  direction*G4PolarizationHelper::GetParticleFrameY(beamDirection);
85 
86  G4double phi=std::atan2(ydir,xdir);
87  fRunAction->FillData(part,kinEnergy,costheta,phi,polZ);
88  }
89 }
90 
91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
The primary generator action class with particle gun.
const G4VPhysicalVolume * GetWorld()
const G4DynamicParticle * GetDynamicParticle() const
G4ParticleDefinition * GetDefinition() const
void UserSteppingAction(const G4Step *)
double z() const
G4StepPoint * GetPreStepPoint() const
G4ParticleMomentum GetParticleMomentumDirection() const
const G4ThreeVector & GetMomentumDirection() const
const G4ThreeVector & GetPosition() const
const G4VPhysicalVolume * GetBox()
Definition: G4Step.hh:76
void CountProcesses(G4String)
Definition: RunAction.cc:91
const G4String & GetProcessName() const
Definition: G4VProcess.hh:408
const G4VProcess * GetProcessDefinedStep() const
virtual G4VPhysicalVolume * GetVolume(G4int depth=0) const
Definition: G4VTouchable.cc:44
G4ParticleGun * GetParticleGun()
G4StepPoint * GetPostStepPoint() const
static G4ThreeVector GetParticleFrameY(const G4ThreeVector &)
Detector construction class to define materials and geometry.
G4double GetKineticEnergy() const
double G4double
Definition: G4Types.hh:76
Run action class.
Definition: RunAction.hh:45
G4Track * GetTrack() const
void FillData(const G4ParticleDefinition *particle, G4double kinEnergy, G4double costheta, G4double phi, G4double longitudinalPolarization)
Definition: RunAction.cc:94
static G4ThreeVector GetParticleFrameX(const G4ThreeVector &)
const G4ThreeVector & GetPolarization() const
const G4TouchableHandle & GetTouchableHandle() const