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25 //
26 // GEANT4 tag $ Name: $
27 //
28 // class G4ITSafetyHelper Implementation
29 //
30 // Original author: John Apostolakis, 2006
31 //
32 // -------------------------------------------
33
34 #include "G4ITSafetyHelper.hh"
35 #include "G4ITPathFinder.hh"
36 #include "G4ITTransportationManager.hh"
37 #include "G4ITNavigator.hh"
38 #include "G4PathFinder.hh"
39 #include "globals.hh"
40
41 G4ITSafetyHelper::G4ITSafetyHelper()
42 {
43 fpPathFinder = nullptr; // Cannot initialis
44
45 // Initialization of the Navigator pointer i
46 // be undertaken by another class calling In
47 //
48 fpMassNavigator = nullptr;
49 fMassNavigatorId = -1;
50 }
51
52 void G4ITSafetyHelper::InitialiseNavigator()
53 {
54 fpPathFinder = G4PathFinder::GetInstance();
55
56 G4ITTransportationManager* pTransportMgr =
57 G4ITTransportationManager::GetTransporta
58
59 fpMassNavigator = pTransportMgr->GetNavigato
60
61 if(fpMassNavigator == nullptr) abort();
62
63 // Check
64 //
65 G4VPhysicalVolume* worldPV = fpMassNavigator
66 if (worldPV == nullptr)
67 {
68 G4Exception("G4ITSafetyHelper::InitialiseN
69 "InvalidNavigatorWorld", Fatal
70 "Found that existing tracking
71 }
72
73 // fMassNavigatorId = pTransportMgr->Activat
74 }
75
76 void G4ITSafetyHelper::InitialiseHelper()
77 {
78 NewTrackState();
79 if (fFirstCall)
80 {
81 InitialiseNavigator();
82 }
83 fFirstCall = false;
84 }
85
86 G4ITSafetyHelper::~G4ITSafetyHelper()
87 = default;
88
89 G4double G4ITSafetyHelper::CheckNextStep(const
90 const
91 const
92 G4dou
93 {
94 // Distance in the Mass geometry
95 //
96 G4double linstep = fpMassNavigator->CheckNex
97
98 fpTrackState->fLastSafetyPosition = position
99 fpTrackState->fLastSafety = newSafety;
100
101 // TODO: Can replace this with a call to Pat
102 // giving id of Mass Geometry --> thi
103
104 return linstep;
105 }
106
107 G4double G4ITSafetyHelper::ComputeSafety(const
108 G4dou
109 {
110 G4double newSafety;
111
112 // Only recompute (calling Navigator/PathFin
113 // is *not* the safety location and has mov
114 //
115 G4double moveLengthSq = (position - fpTrackS
116 if ((moveLengthSq > 0.0))
117 {
118 if (!fUseParallelGeometries)
119 {
120 // Safety for mass geometry
121 newSafety = fpMassNavigator->ComputeSafe
122 }
123 else
124 {
125 // Safety for all geometries
126 newSafety = fpPathFinder->ComputeSafety(
127 }
128
129 // We can only store a 'true' safety - one
130 if (newSafety < maxLength)
131 {
132 fpTrackState->fLastSafety = newSafety;
133 fpTrackState->fLastSafetyPosition = posi
134 }
135 }
136 else
137 {
138 // return last value if position is not (s
139 //
140 // G4double moveLength = 0;
141 // if( moveLengthSq > 0.0 ) { moveLength=
142 newSafety = fpTrackState->fLastSafety; //
143 }
144 return newSafety;
145 }
146
147 void G4ITSafetyHelper::ReLocateWithinVolume(co
148 {
149 #ifdef G4VERBOSE
150 if (fVerbose > 0)
151 {
152 // There is an opportunity - and need - to
153 G4ThreeVector moveVec = newPosition - fpTr
154 if (moveVec.mag2() > sqr(fpTrackState->fLa
155 {
156 // A problem exists - we are proposing t
157 G4ExceptionDescription ed;
158 ed << " Safety Sphere: Radius = " << fp
159 ed << " Center = " << fpTrackState->fL
160 ed << " New Location : Move = " << mo
161 ed << " Position = " << newPosition << G
162 G4Exception("G4ITSafetyHelper::ReLocateW
163 JustWarning,
164 "Unsafe Move> Asked to reloc
165 }
166 }
167 #endif
168
169 if (!fUseParallelGeometries)
170 {
171 fpMassNavigator->LocateGlobalPointWithinVo
172 }
173 else
174 {
175 fpPathFinder->ReLocate(newPosition);
176 }
177 }
178
179 void G4ITSafetyHelper::Locate(const G4ThreeVec
180 const G4ThreeVec
181 {
182 if (!fUseParallelGeometries)
183 {
184 fpMassNavigator->LocateGlobalPointAndSetup
185
186 }
187 else
188 {
189 fpPathFinder->Locate(newPosition, newDirec
190 }
191 }
192