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26 //
27 // ------------------------------------------------------------
28 // GEANT 4 class implementation file
29 // CERN Geneva Switzerland
30 //
31 //
32 // ------------ GammaRayTelDigitizer ------
33 // by F.Longo, R.Giannitrapani & G.Santin (13 nov 2000)
34 //
35 // ************************************************************
36
37 #include <vector>
38
39 #include "GammaRayTelAnticoincidenceHit.hh"
40 #include "GammaRayTelCalorimeterHit.hh"
41 #include "GammaRayTelDigi.hh"
42 #include "GammaRayTelDigitizer.hh"
43 #include "GammaRayTelDigitizerMessenger.hh"
44 #include "GammaRayTelTrackerHit.hh"
45
46 #include "G4DigiManager.hh"
47 #include "G4Event.hh"
48 #include "G4EventManager.hh"
49 #include "G4ios.hh"
50 #include "G4SDManager.hh"
51 #include "G4SystemOfUnits.hh"
52
53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
54
55 GammaRayTelDigitizer::GammaRayTelDigitizer(G4String name) : G4VDigitizerModule(name) {
56 constexpr auto DIGIT_COLLECTION_NAME{"DigitsCollection"};
57 collectionName.push_back(DIGIT_COLLECTION_NAME);
58
59 // create a messenger for this class
60 digitizerMessenger = new GammaRayTelDigitizerMessenger(this);
61 }
62
63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
64
65 GammaRayTelDigitizer::~GammaRayTelDigitizer() {
66 delete digitizerMessenger;
67 }
68
69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
70
71 void GammaRayTelDigitizer::Digitize() {
72 digitsCollection = new GammaRayTelDigitsCollection("GammaRayTelDigitizer", "DigitsCollection"); // to create the Digi Collection
73
74 auto *digitManager = G4DigiManager::GetDMpointer();
75
76 G4int trackerCollectionIdentifier{0}; // TrackerCollection
77 G4int calorimeterCollectionIdentifier{0}; // CalorimeterCollection
78 G4int anticoincidenceCollectionIdentifier{0}; // AnticoincidenceCollection
79
80 totalEnergy = 0.; // at each event
81
82 // TKR hits collection
83
84 trackerCollectionIdentifier = digitManager->GetHitsCollectionID("TrackerCollection");
85 GammaRayTelTrackerHitsCollection *trackerCollection{nullptr};
86 trackerCollection = (GammaRayTelTrackerHitsCollection*) (digitManager->GetHitsCollection(trackerCollectionIdentifier));
87
88 // CAL hits collection
89
90 calorimeterCollectionIdentifier = digitManager->GetHitsCollectionID("CalorimeterCollection");
91 GammaRayTelCalorimeterHitsCollection *calorimeterCollection{nullptr};
92 calorimeterCollection = (GammaRayTelCalorimeterHitsCollection*) (digitManager->GetHitsCollection(calorimeterCollectionIdentifier));
93
94 // ACD hits collection
95
96 anticoincidenceCollectionIdentifier = digitManager->GetHitsCollectionID("AnticoincidenceCollection");
97 GammaRayTelAnticoincidenceHitsCollection *anticoincidenceCollection{nullptr};
98 anticoincidenceCollection = (GammaRayTelAnticoincidenceHitsCollection*) (digitManager->GetHitsCollection(anticoincidenceCollectionIdentifier));
99
100 if (trackerCollection != nullptr) {
101 G4int numberOfHits = trackerCollection->entries();
102
103 for (auto i = 0; i < numberOfHits; i++) {
104 G4double depositedEnergy = (*trackerCollection)[i]->GetDepositedEnergy();
105 G4int stripNumber = (*trackerCollection)[i]->GetStripNumber();
106 G4int planeNumber = (*trackerCollection)[i]->GetSiliconPlaneNumber();
107 G4int IsX = (*trackerCollection)[i]->GetPlaneType();
108
109 // digi generation only if energy deposit is greater than threshold
110
111 if (depositedEnergy > energyThreshold) {
112 auto *digit = new GammaRayTelDigi();
113 digit->SetPlaneNumber(planeNumber);
114 digit->SetPlaneType(IsX);
115 digit->SetStripNumber(stripNumber);
116 digit->SetDigitType(0);
117 digit->SetEnergy(0.);
118 digitsCollection->insert(digit);
119 }
120 }
121 }
122
123 if (calorimeterCollection != nullptr) {
124 G4int numberOfHits = calorimeterCollection->entries();
125
126 for (auto i = 0; i < numberOfHits; i++) {
127 totalEnergy += (*calorimeterCollection)[i]->GetCALDepositedEnergy();
128 }
129
130 // digit generation only if energy deposit is greater than 0.
131
132 if (totalEnergy > 0.) {
133 auto *digit = new GammaRayTelDigi();
134 digit->SetPlaneNumber(0);
135 digit->SetPlaneType(0);
136 digit->SetStripNumber(0);
137 digit->SetDigitType(1);
138 digit->SetEnergy(totalEnergy);
139 digitsCollection->insert(digit);
140 }
141 }
142
143 if (anticoincidenceCollection != nullptr) {
144 G4int numberOfHits = anticoincidenceCollection->entries();
145
146 for (G4int i = 0; i < numberOfHits; i++) {
147 auto energy = (*anticoincidenceCollection)[i]->GetEdepACD();
148 auto type = (*anticoincidenceCollection)[i]->GetACDTileNumber();
149
150 // digit generation only if energy deposit is greater than 0.
151
152 if (energy > acdThreshold) {
153 auto *digit = new GammaRayTelDigi();
154 digit->SetPlaneNumber(0);
155 digit->SetPlaneType(0);
156 digit->SetStripNumber(type);
157 digit->SetDigitType(2);
158 digit->SetEnergy(energy);
159 digitsCollection->insert(digit);
160 }
161 }
162 }
163
164 if (trackerCollection != nullptr || anticoincidenceCollection != nullptr || calorimeterCollection != nullptr) {
165 G4cout << "Number of digits in this event: " << digitsCollection->entries()
166 // << " " << digitsCollection->GetName()
167 // << " " << digitsCollection->GetDMname()
168 << G4endl;
169 }
170
171 StoreDigiCollection(digitsCollection);
172
173 G4int digitsCollectionIdentifier{-1};
174 if (digitsCollectionIdentifier < 0) {
175 // digiManager->List();
176 digitsCollectionIdentifier = digitManager->GetDigiCollectionID("GammaRayTelDigitizer/DigitsCollection");
177 }
178 }
179