Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/biasing/importance/src/G4WeightCutOffProcess.cc

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Diff markup

Differences between /processes/biasing/importance/src/G4WeightCutOffProcess.cc (Version 11.3.0) and /processes/biasing/importance/src/G4WeightCutOffProcess.cc (Version 11.0.p2)


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 25 //                                                 25 //
 26 // G4WeightCutOffProcess                           26 // G4WeightCutOffProcess
 27 //                                                 27 //
 28 // Author: Michael Dressel, 2002                   28 // Author: Michael Dressel, 2002
 29 // -------------------------------------------     29 // --------------------------------------------------------------------
 30                                                    30 
 31 #include "G4WeightCutOffProcess.hh"                31 #include "G4WeightCutOffProcess.hh"
 32 #include "G4GeometryCellStep.hh"                   32 #include "G4GeometryCellStep.hh"
 33 #include "G4TouchableHandle.hh"                    33 #include "G4TouchableHandle.hh"
 34 #include "G4VIStore.hh"                            34 #include "G4VIStore.hh"
 35                                                    35 
 36 #include "G4Step.hh"                               36 #include "G4Step.hh"
 37 #include "G4Navigator.hh"                          37 #include "G4Navigator.hh"
 38 #include "G4VTouchable.hh"                         38 #include "G4VTouchable.hh"
 39 #include "G4VPhysicalVolume.hh"                    39 #include "G4VPhysicalVolume.hh"
 40 #include "G4ParticleChange.hh"                     40 #include "G4ParticleChange.hh"
 41 #include "G4PathFinder.hh"                         41 #include "G4PathFinder.hh"
 42 #include "G4TransportationManager.hh"              42 #include "G4TransportationManager.hh"
 43 #include "G4StepPoint.hh"                          43 #include "G4StepPoint.hh"
 44 #include "G4FieldTrackUpdator.hh"                  44 #include "G4FieldTrackUpdator.hh"
 45                                                    45 
 46                                                    46 
 47 G4WeightCutOffProcess::                            47 G4WeightCutOffProcess::
 48 G4WeightCutOffProcess(G4double wsurvival,          48 G4WeightCutOffProcess(G4double wsurvival,
 49                       G4double wlimit,             49                       G4double wlimit,
 50                       G4double isource,            50                       G4double isource,
 51                       G4VIStore *istore,           51                       G4VIStore *istore,
 52                       const G4String &aName, G     52                       const G4String &aName, G4bool para)
 53   : G4VProcess(aName),                             53   : G4VProcess(aName), 
 54     fParticleChange(new G4ParticleChange),         54     fParticleChange(new G4ParticleChange),
 55     fWeightSurvival(wsurvival),                    55     fWeightSurvival(wsurvival),
 56     fWeightLimit(wlimit),                          56     fWeightLimit(wlimit),
 57     fSourceImportance(isource),                    57     fSourceImportance(isource), 
 58     fIStore(istore),                               58     fIStore(istore),
 59     fParaflag(para)                                59     fParaflag(para)
 60 {                                                  60 {
 61   if (!fParticleChange)                            61   if (!fParticleChange)
 62   {                                                62   {
 63     G4Exception("G4WeightCutOffProcess::G4Weig     63     G4Exception("G4WeightCutOffProcess::G4WeightCutOffProcess()",
 64                 "FatalError", FatalException,      64                 "FatalError", FatalException,
 65                 "Failed to allocate G4Particle     65                 "Failed to allocate G4ParticleChange !");
 66   }                                                66   }
 67                                                    67 
 68   G4VProcess::pParticleChange = fParticleChang     68   G4VProcess::pParticleChange = fParticleChange;
 69                                                    69 
 70   fGhostStep = new G4Step();                       70   fGhostStep = new G4Step();
 71   fGhostPreStepPoint = fGhostStep->GetPreStepP     71   fGhostPreStepPoint = fGhostStep->GetPreStepPoint();
 72   fGhostPostStepPoint = fGhostStep->GetPostSte     72   fGhostPostStepPoint = fGhostStep->GetPostStepPoint();
 73                                                    73 
 74   fTransportationManager = G4TransportationMan     74   fTransportationManager = G4TransportationManager::GetTransportationManager();
 75   fPathFinder = G4PathFinder::GetInstance();       75   fPathFinder = G4PathFinder::GetInstance();
 76                                                    76 
 77   if (verboseLevel>0)                              77   if (verboseLevel>0)
 78   {                                                78   {
 79     G4cout << GetProcessName() << " is created     79     G4cout << GetProcessName() << " is created " << G4endl;
 80   }                                                80   }
 81 }                                                  81 }
 82                                                    82 
 83 G4WeightCutOffProcess::~G4WeightCutOffProcess(     83 G4WeightCutOffProcess::~G4WeightCutOffProcess()
 84 {                                                  84 {
 85   delete fParticleChange;                          85   delete fParticleChange;
 86   // delete fGhostStep;                            86   // delete fGhostStep;
 87 }                                                  87 }
 88                                                    88 
 89                                                    89 
 90 //--------------------------------------------     90 //------------------------------------------------------
 91 //                                                 91 //
 92 // SetParallelWorld                                92 // SetParallelWorld 
 93 //                                                 93 //
 94 //--------------------------------------------     94 //------------------------------------------------------
 95 void G4WeightCutOffProcess::                       95 void G4WeightCutOffProcess::
 96 SetParallelWorld(const G4String &parallelWorld     96 SetParallelWorld(const G4String &parallelWorldName)
 97 {                                                  97 {
 98 //++++++++++++++++++++++++++++++++++++++++++++     98 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 99 // Get pointers of the parallel world and its      99 // Get pointers of the parallel world and its navigator
100 //++++++++++++++++++++++++++++++++++++++++++++    100 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
101   fGhostWorldName = parallelWorldName;            101   fGhostWorldName = parallelWorldName;
102   fGhostWorld = fTransportationManager->GetPar    102   fGhostWorld = fTransportationManager->GetParallelWorld(fGhostWorldName);
103   fGhostNavigator = fTransportationManager->Ge    103   fGhostNavigator = fTransportationManager->GetNavigator(fGhostWorld);
104 //++++++++++++++++++++++++++++++++++++++++++++    104 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
105 }                                                 105 }
106                                                   106 
107 void G4WeightCutOffProcess::                      107 void G4WeightCutOffProcess::
108 SetParallelWorld(G4VPhysicalVolume* parallelWo    108 SetParallelWorld(G4VPhysicalVolume* parallelWorld)
109 {                                                 109 {
110 //++++++++++++++++++++++++++++++++++++++++++++    110 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
111 // Get pointer of navigator                       111 // Get pointer of navigator
112 //++++++++++++++++++++++++++++++++++++++++++++    112 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
113   fGhostWorldName = parallelWorld->GetName();     113   fGhostWorldName = parallelWorld->GetName();
114   fGhostWorld = parallelWorld;                    114   fGhostWorld = parallelWorld;
115   fGhostNavigator = fTransportationManager->Ge    115   fGhostNavigator = fTransportationManager->GetNavigator(fGhostWorld);
116 //++++++++++++++++++++++++++++++++++++++++++++    116 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
117 }                                                 117 }
118                                                   118 
119 //--------------------------------------------    119 //------------------------------------------------------
120 //                                                120 //
121 // StartTracking                                  121 // StartTracking
122 //                                                122 //
123 //--------------------------------------------    123 //------------------------------------------------------
124 void G4WeightCutOffProcess::StartTracking(G4Tr    124 void G4WeightCutOffProcess::StartTracking(G4Track* trk)
125 {                                                 125 {
126 //++++++++++++++++++++++++++++++++++++++++++++    126 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
127 // Activate navigator and get the navigator ID    127 // Activate navigator and get the navigator ID
128 //++++++++++++++++++++++++++++++++++++++++++++    128 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
129 // G4cout << " G4ParallelWorldScoringProcess::    129 // G4cout << " G4ParallelWorldScoringProcess::StartTracking" << G4endl;
130                                                   130 
131   if(fParaflag) {                                 131   if(fParaflag) {
132     if(fGhostNavigator != nullptr)                132     if(fGhostNavigator != nullptr)
133       { fNavigatorID = fTransportationManager-    133       { fNavigatorID = fTransportationManager->ActivateNavigator(fGhostNavigator); }
134     else                                          134     else
135       {                                           135       {
136   G4Exception("G4WeightCutOffProcess::StartTra    136   G4Exception("G4WeightCutOffProcess::StartTracking",
137         "ProcParaWorld000",FatalException,        137         "ProcParaWorld000",FatalException,
138         "G4WeightCutOffProcess is used for tra    138         "G4WeightCutOffProcess is used for tracking without having a parallel world assigned");
139       }                                           139       }
140 //++++++++++++++++++++++++++++++++++++++++++++    140 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
141                                                   141 
142 // G4cout << "G4ParallelWorldScoringProcess::S    142 // G4cout << "G4ParallelWorldScoringProcess::StartTracking <<<<<<<<<<<<<<<<<< " << G4endl;
143 //++++++++++++++++++++++++++++++++++++++++++++    143 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
144 // Let PathFinder initialize                      144 // Let PathFinder initialize
145 //++++++++++++++++++++++++++++++++++++++++++++    145 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
146     fPathFinder->PrepareNewTrack(trk->GetPosit    146     fPathFinder->PrepareNewTrack(trk->GetPosition(),trk->GetMomentumDirection());
147 //++++++++++++++++++++++++++++++++++++++++++++    147 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
148                                                   148 
149 //++++++++++++++++++++++++++++++++++++++++++++    149 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
150 // Setup initial touchables for the first step    150 // Setup initial touchables for the first step
151 //++++++++++++++++++++++++++++++++++++++++++++    151 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
152     fOldGhostTouchable = fPathFinder->CreateTo    152     fOldGhostTouchable = fPathFinder->CreateTouchableHandle(fNavigatorID);
153     fGhostPreStepPoint->SetTouchableHandle(fOl    153     fGhostPreStepPoint->SetTouchableHandle(fOldGhostTouchable);
154     fNewGhostTouchable = fOldGhostTouchable;      154     fNewGhostTouchable = fOldGhostTouchable;
155     fGhostPostStepPoint->SetTouchableHandle(fN    155     fGhostPostStepPoint->SetTouchableHandle(fNewGhostTouchable);
156                                                   156     
157     // Initialize                                 157     // Initialize 
158     fGhostSafety = -1.;                           158     fGhostSafety = -1.;
159     fOnBoundary = false;                          159     fOnBoundary = false;
160   }                                               160   }
161 }                                                 161 }
162                                                   162 
163                                                   163 
164 G4double G4WeightCutOffProcess::                  164 G4double G4WeightCutOffProcess::
165 PostStepGetPhysicalInteractionLength(const G4T    165 PostStepGetPhysicalInteractionLength(const G4Track &,
166                                      G4double,    166                                      G4double, G4ForceCondition* condition)
167 {                                                 167 {
168 //   *condition = Forced;                         168 //   *condition = Forced;
169 //   return kInfinity;                            169 //   return kInfinity;
170                                                   170 
171 //  *condition = StronglyForced;                  171 //  *condition = StronglyForced;
172   *condition = Forced;                            172   *condition = Forced;
173   return DBL_MAX;                                 173   return DBL_MAX;
174 }                                                 174 }
175                                                   175   
176 G4VParticleChange *                               176 G4VParticleChange * 
177 G4WeightCutOffProcess::PostStepDoIt(const G4Tr    177 G4WeightCutOffProcess::PostStepDoIt(const G4Track& aTrack, 
178                                     const G4St    178                                     const G4Step &aStep)
179 {                                                 179 {
180   fParticleChange->Initialize(aTrack);            180   fParticleChange->Initialize(aTrack);
181                                                   181 
182   if(fParaflag) {                                 182   if(fParaflag) {
183     fOldGhostTouchable = fGhostPostStepPoint->    183     fOldGhostTouchable = fGhostPostStepPoint->GetTouchableHandle();
184     //xbug?    fOnBoundary = false;               184     //xbug?    fOnBoundary = false;
185     CopyStep(aStep);                              185     CopyStep(aStep);
186                                                   186 
187     if(fOnBoundary)                               187     if(fOnBoundary)
188       {                                           188       {
189 //++++++++++++++++++++++++++++++++++++++++++++    189 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
190 // Locate the point and get new touchable         190 // Locate the point and get new touchable
191 //++++++++++++++++++++++++++++++++++++++++++++    191 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
192   //??  fPathFinder->Locate(step.GetPostStepPo    192   //??  fPathFinder->Locate(step.GetPostStepPoint()->GetPosition(),
193   //??                      step.GetPostStepPo    193   //??                      step.GetPostStepPoint()->GetMomentumDirection());
194   fNewGhostTouchable = fPathFinder->CreateTouc    194   fNewGhostTouchable = fPathFinder->CreateTouchableHandle(fNavigatorID);
195 //++++++++++++++++++++++++++++++++++++++++++++    195 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
196       }                                           196       }
197     else                                          197     else
198       {                                           198       {
199   // Do I need this ??????????????????????????    199   // Do I need this ??????????????????????????????????????????????????????????
200   // fGhostNavigator->LocateGlobalPointWithinV    200   // fGhostNavigator->LocateGlobalPointWithinVolume(track.GetPosition());
201   // ?????????????????????????????????????????    201   // ?????????????????????????????????????????????????????????????????????????
202                                                   202   
203   // fPathFinder->ReLocate(track.GetPosition()    203   // fPathFinder->ReLocate(track.GetPosition());
204                                                   204   
205   // reuse the touchable                          205   // reuse the touchable
206   fNewGhostTouchable = fOldGhostTouchable;        206   fNewGhostTouchable = fOldGhostTouchable;
207       }                                           207       }
208                                                   208     
209     fGhostPreStepPoint->SetTouchableHandle(fOl    209     fGhostPreStepPoint->SetTouchableHandle(fOldGhostTouchable);
210     fGhostPostStepPoint->SetTouchableHandle(fN    210     fGhostPostStepPoint->SetTouchableHandle(fNewGhostTouchable);
211                                                   211 
212   }                                               212   }
213                                                   213 
214   if(fParaflag) {                                 214   if(fParaflag) {
215     G4GeometryCell postCell(*(fGhostPostStepPo    215     G4GeometryCell postCell(*(fGhostPostStepPoint->GetPhysicalVolume()), 
216           fGhostPostStepPoint->GetTouchable()-    216           fGhostPostStepPoint->GetTouchable()->GetReplicaNumber());
217                                                   217 
218                                                   218 
219     //  G4GeometryCell postCell = fGCellFinder    219     //  G4GeometryCell postCell = fGCellFinder.GetPostGeometryCell(aStep);
220     //  G4GeometryCell postCell = fGCellFinder    220     //  G4GeometryCell postCell = fGCellFinder.GetPostGeometryCell(fGhostStep);
221     G4double R = fSourceImportance;               221     G4double R = fSourceImportance;
222     if (fIStore != nullptr)                       222     if (fIStore != nullptr)
223       {                                           223       {
224   G4double i = fIStore->GetImportance(postCell    224   G4double i = fIStore->GetImportance(postCell);
225   if (i>0)                                        225   if (i>0)
226     {                                             226     {
227       R/=i;                                       227       R/=i;
228     }                                             228     }
229       }                                           229       }
230     G4double w = aTrack.GetWeight();              230     G4double w = aTrack.GetWeight();
231     if (w<R*fWeightLimit)                         231     if (w<R*fWeightLimit)
232       {                                           232       {
233   G4double ws = fWeightSurvival*R;                233   G4double ws = fWeightSurvival*R;
234   G4double p = w/(ws);                            234   G4double p = w/(ws);
235   if (G4UniformRand()<p)                          235   if (G4UniformRand()<p)
236     {                                             236     {
237       fParticleChange->ProposeTrackStatus(fSto    237       fParticleChange->ProposeTrackStatus(fStopAndKill);
238     }                                             238     }
239   else                                            239   else
240     {                                             240     {
241       fParticleChange->ProposeWeight(ws);         241       fParticleChange->ProposeWeight(ws);
242     }                                             242     }                  
243       }                                           243       }
244   } else {                                        244   } else {
245                                                   245 
246     G4GeometryCell postCell(*(aStep.GetPostSte    246     G4GeometryCell postCell(*(aStep.GetPostStepPoint()->GetPhysicalVolume()), 
247           aStep.GetPostStepPoint()->GetTouchab    247           aStep.GetPostStepPoint()->GetTouchable()->GetReplicaNumber());
248                                                   248 
249     //  G4GeometryCell postCell = fGCellFinder    249     //  G4GeometryCell postCell = fGCellFinder.GetPostGeometryCell(aStep);
250     //  G4GeometryCell postCell = fGCellFinder    250     //  G4GeometryCell postCell = fGCellFinder.GetPostGeometryCell(fGhostStep);
251     G4double R = fSourceImportance;               251     G4double R = fSourceImportance;
252     if (fIStore != nullptr)                       252     if (fIStore != nullptr)
253       {                                           253       {
254   G4double i = fIStore->GetImportance(postCell    254   G4double i = fIStore->GetImportance(postCell);
255   if (i>0)                                        255   if (i>0)
256     {                                             256     {
257       R/=i;                                       257       R/=i;
258     }                                             258     }
259       }                                           259       }
260     G4double w = aTrack.GetWeight();              260     G4double w = aTrack.GetWeight();
261     if (w<R*fWeightLimit)                         261     if (w<R*fWeightLimit)
262       {                                           262       {
263   G4double ws = fWeightSurvival*R;                263   G4double ws = fWeightSurvival*R;
264   G4double p = w/(ws);                            264   G4double p = w/(ws);
265   if (G4UniformRand()<p)                          265   if (G4UniformRand()<p)
266     {                                             266     {
267       fParticleChange->ProposeTrackStatus(fSto    267       fParticleChange->ProposeTrackStatus(fStopAndKill);
268     }                                             268     }
269   else                                            269   else
270     {                                             270     {
271       fParticleChange->ProposeWeight(ws);         271       fParticleChange->ProposeWeight(ws);
272     }                                             272     }                  
273       }                                           273       }
274   }                                               274   }
275                                                   275 
276   return fParticleChange;                         276   return fParticleChange;
277                                                   277 
278 }                                                 278 }
279                                                   279 
280 const G4String &G4WeightCutOffProcess::GetName    280 const G4String &G4WeightCutOffProcess::GetName() const
281 {                                                 281 {
282   return theProcessName;                          282   return theProcessName;
283 }                                                 283 }
284                                                   284 
285 G4double G4WeightCutOffProcess::                  285 G4double G4WeightCutOffProcess::
286 AlongStepGetPhysicalInteractionLength(            286 AlongStepGetPhysicalInteractionLength(
287             const G4Track& track, G4double  pr    287             const G4Track& track, G4double  previousStepSize, G4double  currentMinimumStep,
288             G4double& proposedSafety, G4GPILSe    288             G4double& proposedSafety, G4GPILSelection* selection)
289 {                                                 289 {
290   if(fParaflag) {                                 290   if(fParaflag) {
291                                                   291     
292     *selection = NotCandidateForSelection;        292     *selection = NotCandidateForSelection;
293     G4double returnedStep = DBL_MAX;              293     G4double returnedStep = DBL_MAX;
294                                                   294     
295     if (previousStepSize > 0.)                    295     if (previousStepSize > 0.)
296       { fGhostSafety -= previousStepSize; }       296       { fGhostSafety -= previousStepSize; }
297     //  else                                      297     //  else
298     //  { fGhostSafety = -1.; }                   298     //  { fGhostSafety = -1.; }
299     if (fGhostSafety < 0.) fGhostSafety = 0.0;    299     if (fGhostSafety < 0.) fGhostSafety = 0.0;
300                                                   300     
301     // ---------------------------------------    301     // ------------------------------------------
302     // Determination of the proposed STEP LENG    302     // Determination of the proposed STEP LENGTH:
303     // ---------------------------------------    303     // ------------------------------------------
304     if (currentMinimumStep <= fGhostSafety &&     304     if (currentMinimumStep <= fGhostSafety && currentMinimumStep > 0.)
305       {                                           305       {
306   // I have no chance to limit                    306   // I have no chance to limit
307   returnedStep = currentMinimumStep;              307   returnedStep = currentMinimumStep;
308   fOnBoundary = false;                            308   fOnBoundary = false;
309   proposedSafety = fGhostSafety - currentMinim    309   proposedSafety = fGhostSafety - currentMinimumStep;
310       }                                           310       }
311     else // (currentMinimumStep > fGhostSafety    311     else // (currentMinimumStep > fGhostSafety: I may limit the Step)
312       {                                           312       {
313   G4FieldTrackUpdator::Update(&fFieldTrack,&tr    313   G4FieldTrackUpdator::Update(&fFieldTrack,&track);
314   //++++++++++++++++++++++++++++++++++++++++++    314   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
315   // ComputeStep                                  315   // ComputeStep
316   //++++++++++++++++++++++++++++++++++++++++++    316   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
317   returnedStep                                    317   returnedStep
318     = fPathFinder->ComputeStep(fFieldTrack,cur    318     = fPathFinder->ComputeStep(fFieldTrack,currentMinimumStep,fNavigatorID,
319              track.GetCurrentStepNumber(),fGho    319              track.GetCurrentStepNumber(),fGhostSafety,feLimited,
320              fEndTrack,track.GetVolume());        320              fEndTrack,track.GetVolume());
321   //++++++++++++++++++++++++++++++++++++++++++    321   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
322   if(feLimited == kDoNot)                         322   if(feLimited == kDoNot)
323     {                                             323     {
324       // Track is not on the boundary             324       // Track is not on the boundary
325       fOnBoundary = false;                        325       fOnBoundary = false;
326       fGhostSafety = fGhostNavigator->ComputeS    326       fGhostSafety = fGhostNavigator->ComputeSafety(fEndTrack.GetPosition());
327     }                                             327     }
328   else                                            328   else
329     {                                             329     {
330       // Track is on the boundary                 330       // Track is on the boundary
331       fOnBoundary = true;                         331       fOnBoundary = true;
332       proposedSafety = fGhostSafety;              332       proposedSafety = fGhostSafety;
333     }                                             333     }
334   //xbug? proposedSafety = fGhostSafety;          334   //xbug? proposedSafety = fGhostSafety;
335   if(feLimited == kUnique || feLimited == kSha    335   if(feLimited == kUnique || feLimited == kSharedOther) {
336     *selection = CandidateForSelection;           336     *selection = CandidateForSelection;
337   }else if (feLimited == kSharedTransport) {      337   }else if (feLimited == kSharedTransport) { 
338     returnedStep *= (1.0 + 1.0e-9);               338     returnedStep *= (1.0 + 1.0e-9);  
339     // Expand to disable its selection in Step    339     // Expand to disable its selection in Step Manager comparison
340   }                                               340   }
341                                                   341   
342       }                                           342       }
343                                                   343 
344   // -----------------------------------------    344   // ----------------------------------------------
345   // Returns the fGhostSafety as the proposedS    345   // Returns the fGhostSafety as the proposedSafety
346   // The SteppingManager will take care of kee    346   // The SteppingManager will take care of keeping
347   // the smallest one.                            347   // the smallest one.
348   // -----------------------------------------    348   // ----------------------------------------------
349     return returnedStep;                          349     return returnedStep;
350                                                   350 
351   } else {                                        351   } else {
352     return DBL_MAX;                               352     return DBL_MAX;
353     //not sensible!    return -1.0;               353     //not sensible!    return -1.0;
354   }                                               354   }
355                                                   355 
356 }                                                 356 }
357                                                   357 
358                                                   358   
359 G4double G4WeightCutOffProcess::                  359 G4double G4WeightCutOffProcess::
360 AtRestGetPhysicalInteractionLength(const G4Tra    360 AtRestGetPhysicalInteractionLength(const G4Track& ,
361                                    G4ForceCond    361                                    G4ForceCondition*)
362 {                                                 362 {
363   return -1.0;                                    363   return -1.0;
364 }                                                 364 }
365                                                   365   
366 G4VParticleChange*                                366 G4VParticleChange*
367 G4WeightCutOffProcess::AtRestDoIt(const G4Trac    367 G4WeightCutOffProcess::AtRestDoIt(const G4Track&, const G4Step&)
368 {                                                 368 {
369   return nullptr;                                 369   return nullptr;
370 }                                                 370 }
371                                                   371 
372 G4VParticleChange*                                372 G4VParticleChange*
373 G4WeightCutOffProcess::AlongStepDoIt(const G4T    373 G4WeightCutOffProcess::AlongStepDoIt(const G4Track& track, const G4Step&)
374 {                                                 374 {
375   // Dummy ParticleChange ie: does nothing        375   // Dummy ParticleChange ie: does nothing
376   // Expecting G4Transportation to move the tr    376   // Expecting G4Transportation to move the track
377   pParticleChange->Initialize(track);             377   pParticleChange->Initialize(track);
378   return pParticleChange;                         378   return pParticleChange; 
379 }                                                 379 }
380                                                   380 
381 void G4WeightCutOffProcess::CopyStep(const G4S    381 void G4WeightCutOffProcess::CopyStep(const G4Step & step)
382 {                                                 382 {
383   fGhostStep->SetTrack(step.GetTrack());          383   fGhostStep->SetTrack(step.GetTrack());
384   fGhostStep->SetStepLength(step.GetStepLength    384   fGhostStep->SetStepLength(step.GetStepLength());
385   fGhostStep->SetTotalEnergyDeposit(step.GetTo    385   fGhostStep->SetTotalEnergyDeposit(step.GetTotalEnergyDeposit());
386   fGhostStep->SetControlFlag(step.GetControlFl    386   fGhostStep->SetControlFlag(step.GetControlFlag());
387                                                   387 
388   *fGhostPreStepPoint = *(step.GetPreStepPoint    388   *fGhostPreStepPoint = *(step.GetPreStepPoint());
389   *fGhostPostStepPoint = *(step.GetPostStepPoi    389   *fGhostPostStepPoint = *(step.GetPostStepPoint());
390                                                   390 
391 //++++++++++++++++++++++++++++++++++++++++++++    391 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
392 // Set StepStatus for ghost world                 392 // Set StepStatus for ghost world
393 //++++++++++++++++++++++++++++++++++++++++++++    393 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
394   if(fOnBoundary)                                 394   if(fOnBoundary)
395   { fGhostPostStepPoint->SetStepStatus(fGeomBo    395   { fGhostPostStepPoint->SetStepStatus(fGeomBoundary); }
396   else if(fGhostPostStepPoint->GetStepStatus()    396   else if(fGhostPostStepPoint->GetStepStatus()==fGeomBoundary)
397   { fGhostPostStepPoint->SetStepStatus(fPostSt    397   { fGhostPostStepPoint->SetStepStatus(fPostStepDoItProc); }
398 //++++++++++++++++++++++++++++++++++++++++++++    398 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
399 }                                                 399 }
400                                                   400