saxs/src/SAXSSensitiveDetector.cc

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0025 //
0026 /// \file SAXSSensitiveDetector.cc
0027 /// \brief Implementation of the SAXSSensitiveDetector class
0028 //
0029 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0030
0031 #include "SAXSSensitiveDetector.hh"
0032
0033 #include "SAXSSensitiveDetectorHit.hh"
0034
0035 #include "G4HCofThisEvent.hh"
0036 #include "G4Navigator.hh"
0037 #include "G4SDManager.hh"
0038 #include "G4Step.hh"
0039 #include "G4TouchableHistory.hh"
0040 #include "G4Track.hh"
0041 #include "G4ios.hh"
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0044
0045 SAXSSensitiveDetector::SAXSSensitiveDetector(G4String name) : G4VSensitiveDetector(name)
0046 {
0047   G4String HCname;
0048   collectionName.insert(HCname = "collection");
0049   fHCID = -1;
0050
0051   fVarStopAndKill = true;
0052
0053   fSDMessenger = new SAXSSensitiveDetectorMessenger(this);
0054 }
0055
0056 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0057
0058 SAXSSensitiveDetector::~SAXSSensitiveDetector() {}
0059
0060 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0061
0062 void SAXSSensitiveDetector::Initialize(G4HCofThisEvent* HCE)
0063 {
0064   fHitsCollection = new SensitiveDetectorHitsCollection(SensitiveDetectorName, collectionName[0]);
0065   if (fHCID < 0) fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(fHitsCollection);
0066   HCE->AddHitsCollection(fHCID, fHitsCollection);
0067 }
0068
0069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0070
0071 bool SAXSSensitiveDetector::ProcessHits(G4Step* aStep, G4TouchableHistory*)
0072 {
0073   G4Track* vTrack = aStep->GetTrack();
0074
0075   G4StepPoint* preStepPoint = aStep->GetPreStepPoint();
0076
0077   G4ThreeVector worldPosition = preStepPoint->GetPosition();
0078   G4ThreeVector localPosition =
0079     preStepPoint->GetTouchableHandle()->GetHistory()->GetTopTransform().TransformPoint(
0080       worldPosition);
0081
0082   G4ThreeVector mom = preStepPoint->GetMomentumDirection();
0083
0084   // if the partcile is not on the boundary of the sensitive detector, return
0085   if (!(preStepPoint->GetStepStatus() == fGeomBoundary)) {
0086     return false;
0087   }
0088
0089   G4int vType = -1;
0090   if (preStepPoint->GetMass() == 0 && preStepPoint->GetCharge() == 0) {
0091     vType = 0;
0092   }
0093   else if (preStepPoint->GetMass() != 0 && preStepPoint->GetCharge() == 0) {
0094     vType = 1;
0095   }
0096   else if (preStepPoint->GetMass() != 0 && preStepPoint->GetCharge() > 0) {
0097     vType = 2;
0098   }
0099   else if (preStepPoint->GetMass() != 0 && preStepPoint->GetCharge() < 0) {
0100     vType = 3;
0101   }
0102
0103   // insert a hit
0104   SAXSSensitiveDetectorHit* aHit = new SAXSSensitiveDetectorHit();
0105   aHit->SetPos(localPosition);
0106   aHit->SetMom(mom);
0107   aHit->SetType(vType);
0108   aHit->SetEnergy(preStepPoint->GetKineticEnergy());
0109   aHit->SetTime(preStepPoint->GetGlobalTime());
0110   aHit->SetTrackID(vTrack->GetTrackID());
0111   aHit->SetWeight(vTrack->GetWeight());
0112   fHitsCollection->insert(aHit);
0113
0114   if (fVarStopAndKill) {
0115     vTrack->SetTrackStatus(fStopAndKill);
0116   }
0117
0118   return true;
0119 }
0120 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0121
0122 void SAXSSensitiveDetector::EndOfEvent(G4HCofThisEvent*) {}
0123
0124 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....