TGeant4/TG4TrackingAction.cxx

   1 // $Id$
   2 // Category: event
   3 //
   4 // Author: I.Hrivnacova
   5 //
   6 // Class TG4TrackingAction
   7 // -----------------------
   8 // See the class description in the header file.
   9
  10 #include "TG4TrackingAction.h"
  11 #include "TG4StepManager.h"
  12 #include "TG4VSensitiveDetector.h"
  13 #include "TG4SDServices.h"
  14 #include "TG4Globals.h"
  15
  16 //_____________________________________________________________________________
  17 TG4TrackingAction::TG4TrackingAction() {
  18 //
  19 }
  20
  21 //_____________________________________________________________________________
  22 TG4TrackingAction::TG4TrackingAction(const TG4TrackingAction& right) {
  23 //
  24   TG4Globals::Exception("TG4TrackingAction is protected from copying.");
  25 }
  26
  27 //_____________________________________________________________________________
  28 TG4TrackingAction::~TG4TrackingAction() {
  29 //
  30 }
  31
  32 // operators
  33
  34 //_____________________________________________________________________________
  35 TG4TrackingAction&
  36 TG4TrackingAction::operator=(const TG4TrackingAction &right)
  37 {
  38   // check assignement to self
  39   if (this == &right) return *this;
  40
  41   TG4Globals::Exception("TG4TrackingAction is protected from assigning.");
  42
  43   return *this;
  44 }
  45
  46 // public methods
  47
  48 //_____________________________________________________________________________
  49 void TG4TrackingAction::PreUserTrackingAction(const G4Track* track)
  50 {
  51 // Called by G4 kernel before starting tracking.
  52 // ---
  53
  54   // set step manager status
  55   TG4StepManager* stepManager = TG4StepManager::Instance();
  56   stepManager->SetStep((G4Track*)track, kVertex);
  57
  58   // call pre-tracking action of derived class
  59   PreTrackingAction(track);
  60
  61   // let sensitive detector process vertex step
  62   // (this ensures compatibility with G3 that
  63   // makes first step of zero length)
  64
  65   G4VPhysicalVolume* pv = stepManager->GetCurrentPhysicalVolume();
  66
  67   if (!pv) {
  68     G4String text = "TG4TrackingAction::PreUserTrackingAction: \n";
  69     text = text + "   Cannot locate track vertex.";
  70     TG4Globals::Exception(text);
  71   }
  72
  73 #ifdef TGEANT4_DEBUG
  74   TG4VSensitiveDetector* tsd
  75     = TG4SDServices::Instance()
  76          ->GetSensitiveDetector(
  77               pv->GetLogicalVolume()->GetSensitiveDetector());
  78
  79   if (tsd) tsd->UserProcessHits((G4Track*)track, 0);
  80 #else
  81   TG4VSensitiveDetector* tsd
  82     = (TG4VSensitiveDetector*) pv->GetLogicalVolume()->GetSensitiveDetector();
  83
  84   if (tsd) tsd->UserProcessHits((G4Track*)track, 0);
  85 #endif
  86 }
  87
  88 //_____________________________________________________________________________
  89 void TG4TrackingAction::PostUserTrackingAction(const G4Track* track)
  90 {
  91 // Called by G4 kernel after finishing tracking.
  92 // ---
  93
  94   // call post-tracking action of derived class
  95   PostTrackingAction(track);
  96 }
  97