Geant4_10
G4AdjointSteppingAction.cc
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26 // $Id: G4AdjointSteppingAction.cc 75570 2013-11-04 11:41:10Z gcosmo $
27 //
29 // Class Name: G4AdjointSteppingAction
30 // Author: L. Desorgher
31 // Organisation: SpaceIT GmbH
32 // Contract: ESA contract 21435/08/NL/AT
33 // Customer: ESA/ESTEC
35 
37 #include "G4Track.hh"
38 #include "G4PhysicalVolumeStore.hh"
39 #include "G4AffineTransform.hh"
42 //
43 
45  : ext_sourceEMax(0.), start_event(false),
46  did_adj_part_reach_ext_source(false), last_ekin(0.), last_weight(0.),
47  prim_weight(0.), last_part_def(0), theUserAdjointSteppingAction(0),
48  theUserFwdSteppingAction(0)
49 {
50  theG4AdjointCrossSurfChecker = G4AdjointCrossSurfChecker::GetInstance();
51 }
53 //
55 {;}
56 
58 //
60 {
61  G4Track* aTrack =aStep->GetTrack();
62  //forward tracking mode
63  if(!is_adjoint_tracking_mode){
64  //check if last adjoint did reach the external source
65  if (!did_adj_part_reach_ext_source) {
67  return;
68  }
69  if(theUserFwdSteppingAction)
70  theUserFwdSteppingAction->UserSteppingAction(aStep);
71  return;
72  }
73 
74 
75  //Apply first the user adjoint stepping action
76  //---------------------------
77  if (theUserAdjointSteppingAction) theUserAdjointSteppingAction->UserSteppingAction(aStep);
78 
79 
80  G4double nb_nuc=1.;
81  G4ParticleDefinition* thePartDef = aTrack->GetDefinition();
82 
83  if (thePartDef->GetParticleType() == "adjoint_nucleus"){
84  nb_nuc=double(thePartDef->GetBaryonNumber());
85  }
86  //Kill conditions for adjoint particles reaching the maximum energy
87  //-----------------------------------------------------------------
88  if(aTrack->GetKineticEnergy() >= ext_sourceEMax*nb_nuc){
90  did_adj_part_reach_ext_source=false;
91  return;
92  }
93 
94  G4double weight_factor = aTrack->GetWeight()/prim_weight;
95  if ( (weight_factor>0 && weight_factor<=0) || weight_factor<= 1e-290 || weight_factor>1.e200)
96  {
97  //std::cout<<"Weight_factor problem! Value = "<<weight_factor<<std::endl;
99  did_adj_part_reach_ext_source=false;
100  return;
101  }
102 
103 
104  //Kill conditions for surface crossing
105  //--------------------------------------
106 
107  G4String surface_name;
108  G4double cos_to_surface;
109  G4bool GoingIn;
110  G4ThreeVector crossing_pos;
111  if (theG4AdjointCrossSurfChecker->CrossingOneOfTheRegisteredSurface(aStep, surface_name, crossing_pos, cos_to_surface, GoingIn) ){
112 
113  //G4cout<<"Test_step11"<<std::endl;
114  if (surface_name == "ExternalSource") {
115  //Registering still needed
116  did_adj_part_reach_ext_source=true;
117  aTrack->SetTrackStatus(fStopAndKill);
118  //now register the adjoint particles reaching the external surface
119  last_momentum =aTrack->GetMomentum();
120  last_ekin=aTrack->GetKineticEnergy();
121  last_weight = aTrack->GetWeight();
122  last_part_def = aTrack->GetDefinition();
123  last_pos = crossing_pos;
124  return;
125  }
126  else if (surface_name == "AdjointSource" && GoingIn) {
127  did_adj_part_reach_ext_source=false;
128  aTrack->SetTrackStatus(fStopAndKill);
129  return;
130  }
131  }
132  //Check for reaching out of world
133  if (aStep->GetPostStepPoint()->GetStepStatus() == fWorldBoundary) {
134  did_adj_part_reach_ext_source=true;
135  last_momentum =aTrack->GetMomentum();
136  last_ekin=aTrack->GetKineticEnergy();
137  last_weight = aTrack->GetWeight();
138  last_part_def = aTrack->GetDefinition();
139  last_pos = crossing_pos;
140  return;
141 
142  }
143 
144 }
145 
void SetTrackStatus(const G4TrackStatus aTrackStatus)
G4ParticleDefinition * GetDefinition() const
G4StepStatus GetStepStatus() const
virtual void UserSteppingAction(const G4Step *)
G4double GetKineticEnergy() const
bool G4bool
Definition: G4Types.hh:79
void UserSteppingAction(const G4Step *)
const G4String & GetParticleType() const
Definition: G4Step.hh:76
static G4AdjointCrossSurfChecker * GetInstance()
G4ThreeVector GetMomentum() const
G4bool CrossingOneOfTheRegisteredSurface(const G4Step *aStep, G4String &surface_name, G4ThreeVector &crossing_pos, G4double &cos_to_surface, G4bool &GoingIn)
G4StepPoint * GetPostStepPoint() const
G4double GetWeight() const
double G4double
Definition: G4Types.hh:76
G4Track * GetTrack() const