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27 // 27 //
28 // CaTS (Calorimetry and Tracking Simulation) 28 // CaTS (Calorimetry and Tracking Simulation)
29 // 29 //
30 // Authors : Hans Wenzel 30 // Authors : Hans Wenzel
31 // Soon Yung Jun 31 // Soon Yung Jun
32 // (Fermi National Accelerator Labo 32 // (Fermi National Accelerator Laboratory)
33 // 33 //
34 // History 34 // History
35 // October 18th, 2021 : first implementation 35 // October 18th, 2021 : first implementation
36 // 36 //
37 // ******************************************* 37 // ********************************************************************
38 // 38 //
39 /// \file InteractionSD.cc 39 /// \file InteractionSD.cc
40 /// \brief Implementation of the CaTS::Interac 40 /// \brief Implementation of the CaTS::InteractionSD class
41 41
42 // Geant4 headers: 42 // Geant4 headers:
43 #include "G4HCofThisEvent.hh" 43 #include "G4HCofThisEvent.hh"
44 #include "G4Step.hh" 44 #include "G4Step.hh"
45 #include "G4ThreeVector.hh" 45 #include "G4ThreeVector.hh"
46 #include "G4SDManager.hh" 46 #include "G4SDManager.hh"
47 #include "G4ios.hh" 47 #include "G4ios.hh"
48 #include "G4SystemOfUnits.hh" 48 #include "G4SystemOfUnits.hh"
49 // project headers 49 // project headers
50 #include "InteractionSD.hh" 50 #include "InteractionSD.hh"
51 #include "ParticleChange.hh" 51 #include "ParticleChange.hh"
52 52
53 InteractionSD::InteractionSD(G4String name) 53 InteractionSD::InteractionSD(G4String name)
54 : G4VSensitiveDetector(name) 54 : G4VSensitiveDetector(name)
55 { 55 {
56 G4String HCname = name + "_HC"; 56 G4String HCname = name + "_HC";
57 collectionName.insert(HCname); 57 collectionName.insert(HCname);
58 G4cout << collectionName.size() << " Inter 58 G4cout << collectionName.size() << " InteractionSD name: " << name
59 << " collection Name: " << HCname << 59 << " collection Name: " << HCname << G4endl;
60 fHCID = -1; 60 fHCID = -1;
61 } 61 }
62 62
63 InteractionSD::~InteractionSD() 63 InteractionSD::~InteractionSD()
64 { 64 {
65 delete fFirstInter; 65 delete fFirstInter;
66 delete fOtherInter; 66 delete fOtherInter;
67 } 67 }
68 68
69 void InteractionSD::Initialize(G4HCofThisEvent 69 void InteractionSD::Initialize(G4HCofThisEvent* HCE)
70 { 70 {
71 G4cout << "Hits Collection capacity: " << H 71 G4cout << "Hits Collection capacity: " << HCE->GetCapacity() << G4endl;
72 fInteractionHitsCollection = 72 fInteractionHitsCollection =
73 new InteractionHitsCollection(SensitiveDet 73 new InteractionHitsCollection(SensitiveDetectorName, collectionName[0]);
74 if(fHCID < 0) 74 if(fHCID < 0)
75 { 75 {
76 G4cout << "InteractionSD::Initialize: " < 76 G4cout << "InteractionSD::Initialize: " << SensitiveDetectorName << " "
77 << collectionName[0] << G4endl; 77 << collectionName[0] << G4endl;
78 fHCID = G4SDManager::GetSDMpointer()->GetC 78 fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]);
79 } 79 }
80 HCE->AddHitsCollection(fHCID, fInteractionHi 80 HCE->AddHitsCollection(fHCID, fInteractionHitsCollection);
81 fFirstInter = new ParticleChange(true); 81 fFirstInter = new ParticleChange(true);
82 fOtherInter = new ParticleChange(); 82 fOtherInter = new ParticleChange();
83 } 83 }
84 84
85 G4bool InteractionSD::ProcessHits(G4Step* aSte 85 G4bool InteractionSD::ProcessHits(G4Step* aStep, G4TouchableHistory*)
86 { 86 {
87 G4int nsc = fFirstInter->GetNumberOfSecondar 87 G4int nsc = fFirstInter->GetNumberOfSecondaries();
88 if(nsc > 0) 88 if(nsc > 0)
89 { 89 {
90 for(G4int i = 0; i < nsc; i++) 90 for(G4int i = 0; i < nsc; i++)
91 { 91 {
92 delete fFirstInter->GetSecondary(i); 92 delete fFirstInter->GetSecondary(i);
93 } 93 }
94 fFirstInter->Clear(); 94 fFirstInter->Clear();
95 } 95 }
96 nsc = fOtherInter->GetNumberOfSecondaries(); 96 nsc = fOtherInter->GetNumberOfSecondaries();
97 if(nsc > 0) 97 if(nsc > 0)
98 { 98 {
99 for(G4int i = 0; i < nsc; i++) 99 for(G4int i = 0; i < nsc; i++)
100 { 100 {
101 delete fOtherInter->GetSecondary(i); 101 delete fOtherInter->GetSecondary(i);
102 } 102 }
103 fOtherInter->Clear(); 103 fOtherInter->Clear();
104 } 104 }
105 const std::vector<const G4Track*>* secs = aS 105 const std::vector<const G4Track*>* secs = aStep->GetSecondaryInCurrentStep();
106 G4int nsec = se 106 G4int nsec = secs->size();
107 for(G4int i = 0; i < nsec; i++) 107 for(G4int i = 0; i < nsec; i++)
108 { 108 {
109 G4Track* tr = new G4Track(*((*secs)[i])); 109 G4Track* tr = new G4Track(*((*secs)[i]));
110 if(aStep->GetTrack()->GetTrackStatus() != 110 if(aStep->GetTrack()->GetTrackStatus() != fAlive) // track looses identity
111 { 111 {
112 if(aStep->GetTrack()->GetParentID() == 0 112 if(aStep->GetTrack()->GetParentID() == 0) // primary track
113 { 113 {
114 fFirstInter->AddSecondary(tr); 114 fFirstInter->AddSecondary(tr);
115 } 115 }
116 else // secondary track, and it's also 116 else // secondary track, and it's also looses identity (re-interaction)
117 { 117 {
118 fOtherInter->AddSecondary(tr); 118 fOtherInter->AddSecondary(tr);
119 } 119 }
120 } 120 }
121 } // end loop over secondaries 121 } // end loop over secondaries
122 G4int NSec = fFirstInter->GetNumberOfSeconda 122 G4int NSec = fFirstInter->GetNumberOfSecondaries();
123 if(NSec > 0) 123 if(NSec > 0)
124 { 124 {
125 const G4DynamicParticle* sec = 0; 125 const G4DynamicParticle* sec = 0;
126 for(G4int i = 0; i < NSec; i++) 126 for(G4int i = 0; i < NSec; i++)
127 { 127 {
128 sec = fFirstInter->GetSecondary(i)->GetD 128 sec = fFirstInter->GetSecondary(i)->GetDynamicParticle();
129 const G4String& pname = sec->GetDefinit 129 const G4String& pname = sec->GetDefinition()->GetParticleName();
130 G4double pmom = (sec->GetTotalM 130 G4double pmom = (sec->GetTotalMomentum()) / GeV;
131 G4double Ekin = (sec->GetKineti 131 G4double Ekin = (sec->GetKineticEnergy()) / GeV;
132 G4double theta = (sec->GetMoment 132 G4double theta = (sec->GetMomentum()).theta();
133 InteractionHit* newHit = new Interaction 133 InteractionHit* newHit = new InteractionHit(pname, pmom, Ekin, theta);
134 fInteractionHitsCollection->insert(newHi 134 fInteractionHitsCollection->insert(newHit);
135 } 135 }
136 } 136 }
137 return true; 137 return true;
138 } 138 }
139 139