| Geant4 Cross Reference |
1 //
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24 // ********************************************************************
25 //
26
27 #include "G4FastSimHitMaker.hh"
28
29 #include "G4Step.hh"
30 #include "G4StepPoint.hh"
31 #include "G4TouchableHandle.hh"
32 #include "G4TransportationManager.hh"
33 #include "G4VFastSimSensitiveDetector.hh"
34 #include "G4VSensitiveDetector.hh"
35
36 G4FastSimHitMaker::G4FastSimHitMaker()
37 {
38 fTouchableHandle = new G4TouchableHistory();
39 fpNavigator = new G4Navigator();
40 fNaviSetup = false;
41 fWorldWithSdName = "";
42 fpSpotS = new G4Step();
43 fpSpotP = new G4StepPoint();
44 // N.B. Pre and Post step points are common.
45 fpSpotS->SetPreStepPoint(fpSpotP);
46 fpSpotS->SetPostStepPoint(fpSpotP);
47 }
48
49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
50
51 G4FastSimHitMaker::~G4FastSimHitMaker()
52 {
53 delete fpNavigator;
54 delete fpSpotP;
55 fpSpotS->ResetPreStepPoint();
56 fpSpotS->ResetPostStepPoint();
57 delete fpSpotS;
58 }
59
60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61
62 void G4FastSimHitMaker::make(const G4FastHit& aHit, const G4FastTrack& aTrack)
63 {
64 // do not make empty deposit
65 if (aHit.GetEnergy() <= 0) return;
66 // Locate the spot
67 if (!fNaviSetup) {
68 // Choose the world volume that contains the sensitive detector based on its
69 // name (empty name for mass geometry)
70 G4VPhysicalVolume* worldWithSD = nullptr;
71 if (fWorldWithSdName.empty()) {
72 worldWithSD = G4TransportationManager::GetTransportationManager()
73 ->GetNavigatorForTracking()
74 ->GetWorldVolume();
75 }
76 else {
77 worldWithSD =
78 G4TransportationManager::GetTransportationManager()->GetParallelWorld(fWorldWithSdName);
79 }
80 fpNavigator->SetWorldVolume(worldWithSD);
81 // use track global position
82 fpNavigator->LocateGlobalPointAndUpdateTouchable(aTrack.GetPrimaryTrack()->GetPosition(),
83 fTouchableHandle(), false);
84 fNaviSetup = true;
85 }
86 else {
87 // for further deposits use hit (local) position and local->global
88 // transformation
89 fpNavigator->LocateGlobalPointAndUpdateTouchable(
90 aTrack.GetInverseAffineTransformation()->TransformPoint(aHit.GetPosition()),
91 fTouchableHandle());
92 }
93 G4VPhysicalVolume* currentVolume = fTouchableHandle()->GetVolume();
94
95 if (currentVolume != nullptr) {
96 G4VSensitiveDetector* sensitive = currentVolume->GetLogicalVolume()->GetSensitiveDetector();
97 auto fastSimSensitive = dynamic_cast<G4VFastSimSensitiveDetector*>(sensitive);
98 if (fastSimSensitive != nullptr) {
99 fastSimSensitive->Hit(&aHit, &aTrack, &fTouchableHandle);
100 }
101 else if ((sensitive != nullptr)
102 && (currentVolume->GetLogicalVolume()->GetFastSimulationManager() != nullptr))
103 {
104 fpSpotS->SetTotalEnergyDeposit(aHit.GetEnergy());
105 fpSpotS->SetTrack(const_cast<G4Track*>(aTrack.GetPrimaryTrack()));
106 fpSpotP->SetWeight(aTrack.GetPrimaryTrack()->GetWeight());
107 fpSpotP->SetPosition(aHit.GetPosition());
108 fpSpotP->SetGlobalTime(aTrack.GetPrimaryTrack()->GetGlobalTime());
109 fpSpotP->SetLocalTime(aTrack.GetPrimaryTrack()->GetLocalTime());
110 fpSpotP->SetProperTime(aTrack.GetPrimaryTrack()->GetProperTime());
111 fpSpotP->SetTouchableHandle(fTouchableHandle);
112 fpSpotP->SetProcessDefinedStep(fpProcess);
113 fpSpotP->SetStepStatus(fUserDefinedLimit);
114 sensitive->Hit(fpSpotS);
115 }
116 }
117 }
118