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25 //
26 /// \file SAXSSensitiveDetector.cc
27 /// \brief Implementation of the SAXSSensitiveDetector class
28 //
29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
30
31 #include "SAXSSensitiveDetector.hh"
32
33 #include "SAXSSensitiveDetectorHit.hh"
34
35 #include "G4HCofThisEvent.hh"
36 #include "G4Navigator.hh"
37 #include "G4SDManager.hh"
38 #include "G4Step.hh"
39 #include "G4TouchableHistory.hh"
40 #include "G4Track.hh"
41 #include "G4ios.hh"
42
43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
44
45 SAXSSensitiveDetector::SAXSSensitiveDetector(G4String name) : G4VSensitiveDetector(name)
46 {
47 G4String HCname;
48 collectionName.insert(HCname = "collection");
49 fHCID = -1;
50
51 fVarStopAndKill = true;
52
53 fSDMessenger = new SAXSSensitiveDetectorMessenger(this);
54 }
55
56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
57
58 SAXSSensitiveDetector::~SAXSSensitiveDetector() {}
59
60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61
62 void SAXSSensitiveDetector::Initialize(G4HCofThisEvent* HCE)
63 {
64 fHitsCollection = new SensitiveDetectorHitsCollection(SensitiveDetectorName, collectionName[0]);
65 if (fHCID < 0) fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(fHitsCollection);
66 HCE->AddHitsCollection(fHCID, fHitsCollection);
67 }
68
69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
70
71 bool SAXSSensitiveDetector::ProcessHits(G4Step* aStep, G4TouchableHistory*)
72 {
73 G4Track* vTrack = aStep->GetTrack();
74
75 G4StepPoint* preStepPoint = aStep->GetPreStepPoint();
76
77 G4ThreeVector worldPosition = preStepPoint->GetPosition();
78 G4ThreeVector localPosition =
79 preStepPoint->GetTouchableHandle()->GetHistory()->GetTopTransform().TransformPoint(
80 worldPosition);
81
82 G4ThreeVector mom = preStepPoint->GetMomentumDirection();
83
84 // if the partcile is not on the boundary of the sensitive detector, return
85 if (!(preStepPoint->GetStepStatus() == fGeomBoundary)) {
86 return false;
87 }
88
89 G4int vType = -1;
90 if (preStepPoint->GetMass() == 0 && preStepPoint->GetCharge() == 0) {
91 vType = 0;
92 }
93 else if (preStepPoint->GetMass() != 0 && preStepPoint->GetCharge() == 0) {
94 vType = 1;
95 }
96 else if (preStepPoint->GetMass() != 0 && preStepPoint->GetCharge() > 0) {
97 vType = 2;
98 }
99 else if (preStepPoint->GetMass() != 0 && preStepPoint->GetCharge() < 0) {
100 vType = 3;
101 }
102
103 // insert a hit
104 SAXSSensitiveDetectorHit* aHit = new SAXSSensitiveDetectorHit();
105 aHit->SetPos(localPosition);
106 aHit->SetMom(mom);
107 aHit->SetType(vType);
108 aHit->SetEnergy(preStepPoint->GetKineticEnergy());
109 aHit->SetTime(preStepPoint->GetGlobalTime());
110 aHit->SetTrackID(vTrack->GetTrackID());
111 aHit->SetWeight(vTrack->GetWeight());
112 fHitsCollection->insert(aHit);
113
114 if (fVarStopAndKill) {
115 vTrack->SetTrackStatus(fStopAndKill);
116 }
117
118 return true;
119 }
120 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
121
122 void SAXSSensitiveDetector::EndOfEvent(G4HCofThisEvent*) {}
123
124 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
125