| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 /// \file SteppingAction.cc
28 /// \brief Implementation of the SteppingAction class
29
30 #include "SteppingAction.hh"
31 #include "DetectorConstruction.hh"
32
33 #include "G4Step.hh"
34 #include "G4Event.hh"
35 #include "G4RunManager.hh"
36 #include "G4LogicalVolume.hh"
37
38 #include "G4AnalysisManager.hh"
39
40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
41
42 SteppingAction::SteppingAction()
43 {}
44
45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46
47 void SteppingAction::UserSteppingAction(const G4Step* step)
48 {
49
50 G4String volumeName = step->GetPreStepPoint()->GetTouchableHandle()
51 ->GetVolume()->GetName();
52
53 //if a particle enters the detector volume
54 if (step->GetPreStepPoint()-> GetStepStatus()==G4StepStatus::fGeomBoundary&&
55 (volumeName=="Crystal"||volumeName=="Detector"))
56 {
57
58 //coordinates
59 G4double x0 = step->GetPreStepPoint()->GetPosition().getX()/CLHEP::mm;
60 G4double y0 = step->GetPreStepPoint()->GetPosition().getY()/CLHEP::mm;
61
62 //angles
63 G4ThreeVector momentumDirection =
64 step->GetPreStepPoint()->GetMomentumDirection();
65 G4double angle_x =
66 std::atan(momentumDirection.getX()/momentumDirection.getZ());
67 G4double angle_y =
68 std::atan(momentumDirection.getY()/momentumDirection.getZ());
69 if (momentumDirection.getZ() < 0)
70 {
71 if (momentumDirection.getX() > 0)
72 {
73 angle_x += CLHEP::pi;
74 }
75 else
76 {
77 angle_x -= CLHEP::pi;
78 }
79 if (momentumDirection.getY() > 0)
80 {
81 angle_y += CLHEP::pi;
82 }
83 else
84 {
85 angle_y -= CLHEP::pi;
86 }
87 }
88
89 //kinetic energy
90 G4double ekin = step->GetPreStepPoint()->GetKineticEnergy()/CLHEP::MeV;
91
92 //particle name, ID and parentID
93 G4String particleName =
94 step->GetTrack()->GetDefinition()->GetParticleName();
95 G4int particleID = step->GetTrack()->GetTrackID();
96 G4int parentID = step->GetTrack()->GetParentID();
97
98 //event ID
99 G4int eventID =
100 G4RunManager::GetRunManager()->GetCurrentEvent()->GetEventID();
101
102 //ntuple index
103 G4int iTuple = 0;
104 if(volumeName=="Crystal")
105 {
106 iTuple = 0;
107 }
108 else if(volumeName=="Detector")
109 {
110 if(particleName=="gamma")
111 {
112 iTuple = 2;
113 }
114 else
115 {
116 iTuple = 1;
117 }
118 }
119
120 //saving result to root
121 G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
122 analysisManager->FillNtupleIColumn(iTuple,0,eventID);
123 analysisManager->FillNtupleSColumn(iTuple,1,volumeName);
124 analysisManager->FillNtupleDColumn(iTuple,2,x0);
125 analysisManager->FillNtupleDColumn(iTuple,3,y0);
126 analysisManager->FillNtupleDColumn(iTuple,4,angle_x);
127 analysisManager->FillNtupleDColumn(iTuple,5,angle_y);
128 analysisManager->FillNtupleDColumn(iTuple,6,ekin);
129 analysisManager->FillNtupleSColumn(iTuple,7,particleName);
130 analysisManager->FillNtupleIColumn(iTuple,8,particleID);
131 analysisManager->FillNtupleIColumn(iTuple,9,parentID);
132 analysisManager->AddNtupleRow(iTuple);
133 }
134 }
135
136 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
137
138 //}
139