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25 //
26 // Authors: Susanna Guatelli and Francesco Romano
27 // susanna@uow.edu.au, francesco.romano@ct.infn.it
28 //
29 // code based on the basic example B2
30 //
31 #include "SensitiveDetector.hh"
32 #include "G4HCofThisEvent.hh"
33 #include "G4Step.hh"
34 #include "G4ThreeVector.hh"
35 #include "G4SDManager.hh"
36 #include "G4ios.hh"
37 #include "G4SystemOfUnits.hh"
38 #include "G4RunManager.hh"
39
40 SensitiveDetector::SensitiveDetector(const G4String& name,
41 const G4String& hitsCollectionName,
42 G4bool isThisAMicrodosimeter,
43 AnalysisManager* analysis_manager)
44 : G4VSensitiveDetector(name),
45 fHitsCollection(NULL)
46 {
47 collectionName.insert(hitsCollectionName);
48 analysis = analysis_manager;
49 isMicrod = isThisAMicrodosimeter; // only false for the E-stage of the telescope
50 }
51
52 SensitiveDetector::~SensitiveDetector()
53 {}
54
55 void SensitiveDetector::Initialize(G4HCofThisEvent* hce)
56 {
57 // Create hits collection
58
59 fHitsCollection
60 = new SensitiveDetectorHitsCollection(SensitiveDetectorName, collectionName[0]);
61
62 // Add this collection in hce
63
64 G4int hcID
65 = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]);
66 hce->AddHitsCollection( hcID, fHitsCollection );
67 }
68
69 G4bool SensitiveDetector::ProcessHits(G4Step* aStep,
70 G4TouchableHistory*)
71 {
72 // energy deposit
73 G4double edep = aStep->GetTotalEnergyDeposit();
74
75 if (edep==0.) return false;
76
77 // Uncomment the following lines to only score specific physical volumes
78 /*
79 G4String volumeName = aStep -> GetPreStepPoint() -> GetPhysicalVolume()-> GetName();
80 if(volumeName != "SV_phys1" && volumeName != "sen_bridge" && volumeName != "physSensitiveBridgeVolume" )
81 return false;
82 */
83
84 SensitiveDetectorHit* newHit = new SensitiveDetectorHit();
85
86 newHit -> SetEdep(edep);
87
88 // step length
89 G4double len = aStep->GetStepLength();
90
91 // only consider ions, protons, and neutrons for path length
92 const G4ParticleDefinition* thisParticle = aStep ->
93 GetTrack() -> GetParticleDefinition() ;
94 G4String particleName = thisParticle -> GetParticleName();
95 G4int particleZ = thisParticle -> GetAtomicNumber();
96
97 if ( (particleZ < 1) && (particleName != "neutron"))
98 len = 0.;
99
100 newHit->SetPath(len);
101
102 fHitsCollection -> insert( newHit );
103
104 return true;
105 }
106
107 void SensitiveDetector::EndOfEvent(G4HCofThisEvent*)
108 {
109 #ifdef ANALYSIS_USE
110 // Initialisation of total energy deposition per event to zero
111 G4double totalEdepInOneEvent=0;
112 G4double totalPathLengthInOneEvent=0;
113
114 G4int NbHits = fHitsCollection->entries();
115 //G4cout << "number of hits " <<NbHits << G4endl;
116
117 G4double edep, len;
118
119 for (G4int i=0;i<NbHits;i++)
120 {
121 edep = (*fHitsCollection)[i]->GetEdep();
122 totalEdepInOneEvent = totalEdepInOneEvent + edep;
123
124 len = (*fHitsCollection)[i]->GetPath();
125 totalPathLengthInOneEvent = totalPathLengthInOneEvent + len;
126 }
127
128 G4int eventID = G4RunManager::GetRunManager() ->
129 GetCurrentEvent() -> GetEventID();
130
131
132 if (totalEdepInOneEvent!=0)
133 {
134 if (isMicrod==true) analysis -> StoreEnergyDeposition(totalEdepInOneEvent/keV, totalPathLengthInOneEvent/um, eventID);
135 else analysis -> StoreSecondStageEnergyDeposition(totalEdepInOneEvent/keV, eventID);
136 }
137 #endif
138 }
139