saxs/src/SAXSSensitiveDetector.cc

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