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25 // 25 //
26 // 26 //
27 //....oooOO0OOooo........oooOO0OOooo........oo 27 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
28 //....oooOO0OOooo........oooOO0OOooo........oo 28 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
29 29
30 #include "SteppingAction.hh" 30 #include "SteppingAction.hh"
31 31
32 #include "DetectorConstruction.hh" 32 #include "DetectorConstruction.hh"
33 #include "EventAction.hh" 33 #include "EventAction.hh"
34 34
35 #include "G4Step.hh" 35 #include "G4Step.hh"
36 36
37 //....oooOO0OOooo........oooOO0OOooo........oo 37 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
38 38
39 SteppingAction::SteppingAction(DetectorConstru 39 SteppingAction::SteppingAction(DetectorConstruction* det, EventAction* evt)
40 :G4UserSteppingAction(),detector(det),eventAct 40 :G4UserSteppingAction(),detector(det),eventAct(evt)
41 { 41 {
42 first = true; 42 first = true;
43 lvol_world = lvol_module = lvol_layer = lvol 43 lvol_world = lvol_module = lvol_layer = lvol_fiber = 0;
44 } 44 }
45 45
46 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 47
48 SteppingAction::~SteppingAction() 48 SteppingAction::~SteppingAction()
49 {} 49 {}
50 50
51 //....oooOO0OOooo........oooOO0OOooo........oo 51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52 52
53 void SteppingAction::UserSteppingAction(const 53 void SteppingAction::UserSteppingAction(const G4Step* step )
54 { 54 {
55 //some initialisation 55 //some initialisation
56 // 56 //
57 if (first) { 57 if (first) {
58 lvol_world = detector->GetLvolWorld(); 58 lvol_world = detector->GetLvolWorld();
59 lvol_module = detector->GetLvolModule(); 59 lvol_module = detector->GetLvolModule();
60 lvol_layer = detector->GetLvolLayer(); 60 lvol_layer = detector->GetLvolLayer();
61 lvol_fiber = detector->GetLvolFiber(); 61 lvol_fiber = detector->GetLvolFiber();
62 first = false; 62 first = false;
63 } 63 }
64 64
65 //if no edep, return 65 //if no edep, return
66 // 66 //
67 G4double edep = step->GetTotalEnergyDeposit() 67 G4double edep = step->GetTotalEnergyDeposit();
68 ///if (edep == 0.) return; 68 ///if (edep == 0.) return;
69 69
70 //locate point in geometry 70 //locate point in geometry
71 // 71 //
72 G4int iModule = 0; 72 G4int iModule = 0;
73 G4int iLayer = 0; 73 G4int iLayer = 0;
74 G4int iFiber = 0; 74 G4int iFiber = 0;
75 75
76 G4TouchableHandle touch1 = step->GetPreStepPo 76 G4TouchableHandle touch1 = step->GetPreStepPoint()->GetTouchableHandle();
77 G4LogicalVolume* lvol = touch1->GetVolume()-> 77 G4LogicalVolume* lvol = touch1->GetVolume()->GetLogicalVolume();
78 78
79 if (lvol == lvol_world) return; 79 if (lvol == lvol_world) return;
80 else if (lvol == lvol_module) { iModule = tou 80 else if (lvol == lvol_module) { iModule = touch1->GetCopyNumber(0);}
81 else if (lvol == lvol_layer) { iLayer = tou 81 else if (lvol == lvol_layer) { iLayer = touch1->GetCopyNumber(0);
82 iModule = tou 82 iModule = touch1->GetCopyNumber(1);}
83 else if (lvol == lvol_fiber) { iFiber = tou 83 else if (lvol == lvol_fiber) { iFiber = touch1->GetCopyNumber(0);
84 iLayer = tou 84 iLayer = touch1->GetCopyNumber(1);
85 iModule = tou 85 iModule = touch1->GetCopyNumber(2);}
86 86
87 // sum edep 87 // sum edep
88 // 88 //
89 eventAct->SumDeStep(iModule, iLayer, iFiber, 89 eventAct->SumDeStep(iModule, iLayer, iFiber, edep);
90 } 90 }
91 91
92 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
93 93
94 G4double SteppingAction::BirksAttenuation(cons 94 G4double SteppingAction::BirksAttenuation(const G4Step* aStep)
95 { 95 {
96 //Example of Birk attenuation law in organic 96 //Example of Birk attenuation law in organic scintillators.
97 //adapted from Geant3 PHYS337. See MIN 80 (19 97 //adapted from Geant3 PHYS337. See MIN 80 (1970) 239-244
98 // 98 //
99 const G4Material* material = aStep->GetTrack( << 99 G4Material* material = aStep->GetTrack()->GetMaterial();
100 G4double birk1 = material->GetIonisatio 100 G4double birk1 = material->GetIonisation()->GetBirksConstant();
101 G4double destep = aStep->GetTotalEnergyD 101 G4double destep = aStep->GetTotalEnergyDeposit();
102 G4double stepl = aStep->GetStepLength() 102 G4double stepl = aStep->GetStepLength();
103 G4double charge = aStep->GetTrack()->Get 103 G4double charge = aStep->GetTrack()->GetDefinition()->GetPDGCharge();
104 // 104 //
105 G4double response = destep; 105 G4double response = destep;
106 if (birk1*destep*stepl*charge != 0.) 106 if (birk1*destep*stepl*charge != 0.)
107 { 107 {
108 response = destep/(1. + birk1*destep/step 108 response = destep/(1. + birk1*destep/stepl);
109 } 109 }
110 return response; 110 return response;
111 } 111 }
112 112
113 //....oooOO0OOooo........oooOO0OOooo........oo 113 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
114 114
115 115