| Geant4 Cross Reference |
1 //
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18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
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24 // ********************************************************************
25 //
26 // This example is provided by the Geant4-DNA collaboration
27 // Any report or published results obtained using the Geant4-DNA software
28 // shall cite the following Geant4-DNA collaboration publications:
29 // Med. Phys. 45 (2018) e722-e739
30 // Phys. Med. 31 (2015) 861-874
31 // Med. Phys. 37 (2010) 4692-4708
32 // Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
33 //
34 // The Geant4-DNA web site is available at http://geant4-dna.org
35 //
36 /// \file TrackerSD.cc
37 /// \brief Implementation of the TrackerSD class
38
39 #include "TrackerSD.hh"
40
41 #include "G4AnalysisManager.hh"
42 #include "G4SDManager.hh"
43 #include "G4SystemOfUnits.hh"
44 #include "Randomize.hh"
45
46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47
48 TrackerSD::TrackerSD(const G4String& name, const G4String& hitsCollectionName)
49 : G4VSensitiveDetector(name), fHitsCollection(NULL)
50 {
51 collectionName.insert(hitsCollectionName);
52 }
53
54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55
56 TrackerSD::~TrackerSD() {}
57
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59
60 void TrackerSD::Initialize(G4HCofThisEvent* hce)
61 {
62 // Create hits collection
63 fHitsCollection = new TrackerHitsCollection(SensitiveDetectorName, collectionName[0]);
64
65 // Add this collection in hce
66 G4int hcID = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]);
67
68 hce->AddHitsCollection(hcID, fHitsCollection);
69 }
70
71 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
72
73 G4bool TrackerSD::ProcessHits(G4Step* aStep, G4TouchableHistory*)
74 {
75 // Energy deposit
76 G4double edep = aStep->GetTotalEnergyDeposit();
77
78 if (edep == 0.) return false;
79
80 TrackerHit* newHit = new TrackerHit();
81
82 newHit->SetTrackID(aStep->GetTrack()->GetTrackID());
83 newHit->SetEdep(edep);
84 newHit->SetPos(aStep->GetPostStepPoint()->GetPosition());
85
86 if (aStep->GetTrack()->GetTrackID() == 1 && aStep->GetTrack()->GetParentID() == 0)
87 newHit->SetIncidentEnergy(aStep->GetTrack()->GetVertexKineticEnergy());
88
89 fHitsCollection->insert(newHit);
90
91 // Print
92 // newHit->Print();
93
94 return true;
95 }
96
97 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
98 void TrackerSD::EndOfEvent(G4HCofThisEvent*)
99 {
100 G4int nofHits = fHitsCollection->entries();
101
102 G4double Einc = 0;
103
104 /*
105 G4cout << G4endl
106 << "-------->Hits Collection: in this event they are "
107 << nofHits
108 << " hits in the target volume " << G4endl;
109 */
110
111 // PROCESSING OF PROXIMITY FUNCTION t(x)
112
113 // *************************************
114 // Please select herebelow :
115 // - the minimum value of x radius
116 // - the maximum value of x radius
117 // - the number of steps in radius
118
119 G4double minRadius = 0.1 * nm;
120
121 G4double maxRadius = 10000 * nm;
122 G4int nRadiusSteps = 101;
123
124 //
125
126 auto analysisManager = G4AnalysisManager::Instance();
127
128 G4double radius(minRadius);
129 G4double stpRadius(std::pow(maxRadius / radius, 1. / static_cast<G4double>(nRadiusSteps - 1)));
130 G4int step(nRadiusSteps);
131 G4int noRadius(0);
132
133 // 1) loop on radius
134
135 while (step > 0) {
136 step--;
137 noRadius = nRadiusSteps - step;
138
139 // G4cout << "---radius/nm=" << radius/nm << G4endl;
140
141 // Computation of t(x)
142
143 G4double tNum = 0.;
144 G4double tDenom = 0.;
145 G4int nbEdep = 0;
146
147 // 2) loop on hits
148
149 for (G4int k = 0; k < nofHits; k++) {
150 G4ThreeVector hitPos = (*fHitsCollection)[k]->GetPos();
151 G4double hitNrj = (*fHitsCollection)[k]->GetEdep();
152
153 // G4cout << "======> hit position x/nm =" << hitPos.x()/nm << G4endl;
154 // G4cout << "======> hit position y/nm =" << hitPos.y()/nm << G4endl;
155 // G4cout << "======> hit position z/nm =" << hitPos.z()/nm << G4endl;
156
157 // 3) loop on all other hits located within shell
158
159 G4double localSum = 0.;
160
161 for (G4int i = 0; i < nofHits; i++) {
162 if ((*fHitsCollection)[i]->GetIncidentEnergy() > 0)
163 Einc = (*fHitsCollection)[i]->GetIncidentEnergy();
164
165 G4ThreeVector localPosi = (*fHitsCollection)[i]->GetPos();
166
167 if (((localPosi.x() - hitPos.x()) * (localPosi.x() - hitPos.x())
168 + (localPosi.y() - hitPos.y()) * (localPosi.y() - hitPos.y())
169 + (localPosi.z() - hitPos.z()) * (localPosi.z() - hitPos.z())
170 < radius * stpRadius * radius * stpRadius)
171 && ((localPosi.x() - hitPos.x()) * (localPosi.x() - hitPos.x())
172 + (localPosi.y() - hitPos.y()) * (localPosi.y() - hitPos.y())
173 + (localPosi.z() - hitPos.z()) * (localPosi.z() - hitPos.z())
174 >= radius * radius))
175
176 {
177 localSum = localSum + (*fHitsCollection)[i]->GetEdep();
178 nbEdep = nbEdep + 1;
179 }
180 }
181
182 tNum = tNum + localSum * hitNrj;
183 tDenom = tDenom + hitNrj;
184
185 } // loop on hits
186
187 // fill ntuple including weighting
188 // does not work with ntuple merging...
189
190 analysisManager->FillNtupleDColumn(0, 0, radius / nm);
191 analysisManager->FillNtupleIColumn(0, 1, noRadius);
192 analysisManager->FillNtupleDColumn(0, 2, nofHits);
193 analysisManager->FillNtupleDColumn(0, 3, nbEdep);
194 analysisManager->FillNtupleDColumn(0, 4, (tNum / tDenom) / eV);
195 analysisManager->FillNtupleDColumn(0, 5, (stpRadius * radius) / nm);
196 analysisManager->FillNtupleDColumn(0, 6, Einc / eV);
197 analysisManager->AddNtupleRow();
198
199 // G4cout << "---radius/nm=" << radius/nm << G4endl;
200 // G4cout << "----end of radius--- " << radius/nm << G4endl;
201
202 radius *= stpRadius;
203
204 } // loop on radii
205 }
206
207 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
208