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25 // 25 //
26 // class G4ErrorPropagationNavigator implement <<
27 // 26 //
28 // Author: Pedro Arce, CIEMAT << 27 // $Id: G4ErrorPropagationNavigator.cc 87697 2014-12-17 09:40:21Z gcosmo $
>> 28 //
>> 29 //
>> 30 // --------------------------------------------------------------------
>> 31 // GEANT 4 class implementation file
29 // ------------------------------------------- 32 // --------------------------------------------------------------------
30 33
31 #include "G4ErrorPropagationNavigator.hh" 34 #include "G4ErrorPropagationNavigator.hh"
32 35
33 #include "globals.hh" 36 #include "globals.hh"
34 #include "G4ThreeVector.hh" 37 #include "G4ThreeVector.hh"
35 #include "G4ErrorPropagatorData.hh" 38 #include "G4ErrorPropagatorData.hh"
36 #include "G4ErrorSurfaceTarget.hh" 39 #include "G4ErrorSurfaceTarget.hh"
37 40
38 #include "G4ErrorPlaneSurfaceTarget.hh" 41 #include "G4ErrorPlaneSurfaceTarget.hh"
39 #include "G4ErrorCylSurfaceTarget.hh" 42 #include "G4ErrorCylSurfaceTarget.hh"
40 43
>> 44
>> 45 //-------------------------------------------------------------------
>> 46
>> 47 G4ErrorPropagationNavigator::G4ErrorPropagationNavigator()
>> 48 : G4Navigator()
>> 49 {
>> 50 }
>> 51
>> 52 //-------------------------------------------------------------------
>> 53
>> 54 G4ErrorPropagationNavigator::~G4ErrorPropagationNavigator()
>> 55 {
>> 56 }
>> 57
>> 58 //-------------------------------------------------------------------
>> 59
41 G4double G4ErrorPropagationNavigator:: 60 G4double G4ErrorPropagationNavigator::
42 ComputeStep ( const G4ThreeVector &pGlobalPoin 61 ComputeStep ( const G4ThreeVector &pGlobalPoint,
43 const G4ThreeVector &pDirection, 62 const G4ThreeVector &pDirection,
44 const G4double pCurrentProposedS 63 const G4double pCurrentProposedStepLength,
45 G4double &pNewSafety ) 64 G4double &pNewSafety )
46 { 65 {
47 G4double safetyGeom = DBL_MAX; << 66 G4double safetyGeom= DBL_MAX;
48 67
49 G4double Step = G4Navigator::ComputeStep(pGl 68 G4double Step = G4Navigator::ComputeStep(pGlobalPoint, pDirection,
50 pCu 69 pCurrentProposedStepLength,
51 saf 70 safetyGeom);
52 71
53 G4ErrorPropagatorData* g4edata << 72 G4ErrorPropagatorData * g4edata
54 = G4ErrorPropagatorData::GetErrorPropagato 73 = G4ErrorPropagatorData::GetErrorPropagatorData();
55 74
56 if ( g4edata != nullptr ) << 75 if (g4edata !=0)
57 { 76 {
58 const G4ErrorTarget* target = g4edata->Get 77 const G4ErrorTarget* target = g4edata->GetTarget();
59 if( target != nullptr ) << 78 if( target != 0 )
60 { 79 {
61 G4double StepPlane=target->GetDistanceFr << 80 G4double StepPlane= target->GetDistanceFromPoint(pGlobalPoint,pDirection);
62 81
63 if( StepPlane < 0. ) // Negative means t << 82 if( StepPlane < 0. ) // Negative means target is crossed, will not be found
64 { // will not be foun << 83 {
65 StepPlane = DBL_MAX; 84 StepPlane = DBL_MAX;
66 } 85 }
67 #ifdef G4VERBOSE 86 #ifdef G4VERBOSE
68 if( G4ErrorPropagatorData::verbose() >= 87 if( G4ErrorPropagatorData::verbose() >= 4 )
69 { 88 {
70 G4cout << "G4ErrorPropagationNavigator 89 G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
71 << " Target step: " << StepPla 90 << " Target step: " << StepPlane
72 << ", Transportation step: " << 91 << ", Transportation step: " << Step << G4endl;
73 target->Dump( "G4ErrorPropagationNavig 92 target->Dump( "G4ErrorPropagationNavigator::ComputeStep Target " );
74 } 93 }
75 #endif 94 #endif
76 95
77 if( StepPlane < Step ) << 96 if(StepPlane<Step)
78 { 97 {
79 #ifdef G4VERBOSE 98 #ifdef G4VERBOSE
80 if( G4ErrorPropagatorData::verbose() > 99 if( G4ErrorPropagatorData::verbose() >= 2 )
81 { 100 {
82 G4cout << "G4ErrorPropagationNavigat 101 G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
83 << " TargetCloserThanBoundar 102 << " TargetCloserThanBoundary: " << StepPlane << " < "
84 << Step << G4endl; 103 << Step << G4endl;
85 } 104 }
86 #endif 105 #endif
87 Step = StepPlane; 106 Step = StepPlane;
88 g4edata->SetState(G4ErrorState_TargetC 107 g4edata->SetState(G4ErrorState_TargetCloserThanBoundary);
89 } 108 }
90 else 109 else
91 { 110 {
92 g4edata->SetState(G4ErrorState_Propaga 111 g4edata->SetState(G4ErrorState_Propagating);
93 } 112 }
94 } 113 }
95 } 114 }
96 G4double safetyTarget = TargetSafetyFromPoin 115 G4double safetyTarget = TargetSafetyFromPoint(pGlobalPoint);
97 << 116 // Avoid call to G4Navigator::ComputeSafety - which could have side effects
98 // Avoid call to G4Navigator::ComputeSafety << 117 pNewSafety= std::min(safetyGeom, safetyTarget);
99 // <<
100 pNewSafety = std::min(safetyGeom, safetyTarg <<
101 118
102 #ifdef G4VERBOSE 119 #ifdef G4VERBOSE
103 if( G4ErrorPropagatorData::verbose() >= 3 ) 120 if( G4ErrorPropagatorData::verbose() >= 3 )
104 { 121 {
105 G4cout << "G4ErrorPropagationNavigator::Co 122 G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
106 << " Step: " << Step << ", Compute 123 << " Step: " << Step << ", ComputeSafety: " << pNewSafety
107 << G4endl; 124 << G4endl;
108 } 125 }
109 #endif 126 #endif
110 127
111 return Step; 128 return Step;
112 } 129 }
113 130
114 //-------------------------------------------- 131 //-------------------------------------------------------------------
115 132
116 G4double G4ErrorPropagationNavigator:: 133 G4double G4ErrorPropagationNavigator::
117 TargetSafetyFromPoint( const G4ThreeVector& pG << 134 TargetSafetyFromPoint( const G4ThreeVector &pGlobalpoint )
118 { 135 {
119 G4double safety = DBL_MAX; << 136 G4double safety= DBL_MAX;
120 137
121 G4ErrorPropagatorData* g4edata << 138 G4ErrorPropagatorData *g4edata
122 = G4ErrorPropagatorData::GetErrorPropagato 139 = G4ErrorPropagatorData::GetErrorPropagatorData();
123 140
124 if ( g4edata != nullptr ) << 141 if (g4edata !=0)
125 { 142 {
126 const G4ErrorTarget* target = g4edata->Get 143 const G4ErrorTarget* target = g4edata->GetTarget();
127 if( target != nullptr ) << 144 if( target != 0 )
128 { 145 {
129 safety = target->GetDistanceFromPoint(p 146 safety = target->GetDistanceFromPoint(pGlobalpoint);
130 } 147 }
131 } 148 }
132 return safety; 149 return safety;
133 } 150 }
134 151
135 //-------------------------------------------- 152 //-------------------------------------------------------------------
136 153
137 G4double G4ErrorPropagationNavigator:: 154 G4double G4ErrorPropagationNavigator::
138 ComputeSafety( const G4ThreeVector &pGlobalPoi 155 ComputeSafety( const G4ThreeVector &pGlobalPoint,
139 const G4double pMaxLength, 156 const G4double pMaxLength,
140 const G4bool keepState ) 157 const G4bool keepState )
141 { 158 {
142 G4double safetyGeom = G4Navigator::ComputeSa 159 G4double safetyGeom = G4Navigator::ComputeSafety(pGlobalPoint,
143 160 pMaxLength, keepState);
144 161
145 G4double safetyTarget = TargetSafetyFromPoin 162 G4double safetyTarget = TargetSafetyFromPoint( pGlobalPoint );
146 163
147 return std::min(safetyGeom, safetyTarget); 164 return std::min(safetyGeom, safetyTarget);
148 } 165 }
149 166
150 //-------------------------------------------- 167 //-------------------------------------------------------------------
151 168
152 G4ThreeVector G4ErrorPropagationNavigator:: 169 G4ThreeVector G4ErrorPropagationNavigator::
153 GetGlobalExitNormal( const G4ThreeVector& poin << 170 GetGlobalExitNormal(const G4ThreeVector& point, G4bool* valid)
154 { 171 {
155 G4ErrorPropagatorData* g4edata << 172 G4ErrorPropagatorData *g4edata
156 = G4ErrorPropagatorData::GetErrorPropa 173 = G4ErrorPropagatorData::GetErrorPropagatorData();
157 const G4ErrorTarget* target = nullptr; << 174 const G4ErrorTarget* target = 0;
158 175
159 G4ThreeVector normal(0.0, 0.0, 0.0); 176 G4ThreeVector normal(0.0, 0.0, 0.0);
160 G4double distance= 0; 177 G4double distance= 0;
161 178
162 // Determine which 'geometry' limited the st 179 // Determine which 'geometry' limited the step
163 if ( g4edata != nullptr ) << 180 if (g4edata)
164 { 181 {
165 target = g4edata->GetTarget(); 182 target = g4edata->GetTarget();
166 if( target != nullptr ) << 183 if(target)
167 { 184 {
168 distance = target->GetDistanceFromPoint( 185 distance = target->GetDistanceFromPoint(point);
169 } 186 }
170 } 187 }
171 188
172 if( distance > kCarTolerance || (target == n << 189 if( distance > kCarTolerance // Not reached the target.
173 // Not reached the target or if a target d << 190 || (!target) )
174 // this seems the best we can do << 191 // If a target does not exist, this seems the best we can do
175 { 192 {
176 normal = G4Navigator::GetGlobalExitNormal( << 193 normal= G4Navigator::GetGlobalExitNormal(point, valid);
177 } 194 }
178 else 195 else
179 { 196 {
180 switch( target->GetType() ) 197 switch( target->GetType() )
181 { 198 {
182 case G4ErrorTarget_GeomVolume: 199 case G4ErrorTarget_GeomVolume:
183 // The volume is in the 'real' mass ge 200 // The volume is in the 'real' mass geometry
184 normal = G4Navigator::GetGlobalExitNor << 201 normal= G4Navigator::GetGlobalExitNormal(point, valid);
185 break; 202 break;
186 case G4ErrorTarget_TrkL: 203 case G4ErrorTarget_TrkL:
187 normal = G4ThreeVector( 0.0, 0.0, 0.0) << 204 normal= G4ThreeVector( 0.0, 0.0, 0.0);
188 *valid = false; << 205 *valid= false;
189 G4Exception("G4ErrorPropagationNavigat 206 G4Exception("G4ErrorPropagationNavigator::GetGlobalExitNormal",
190 "Geometry1003", 207 "Geometry1003",
191 JustWarning, "Unexpected v 208 JustWarning, "Unexpected value of Target type");
192 break; 209 break;
193 case G4ErrorTarget_PlaneSurface: 210 case G4ErrorTarget_PlaneSurface:
194 case G4ErrorTarget_CylindricalSurface: 211 case G4ErrorTarget_CylindricalSurface:
195 const auto surfTarget= static_cast<con << 212 const G4ErrorSurfaceTarget* surfaceTarget=
196 normal = surfTarget->GetTangentPlane(p << 213 static_cast<const G4ErrorSurfaceTarget*>(target);
197 *valid = true; << 214 normal= surfaceTarget->GetTangentPlane(point).normal().unit();
>> 215 *valid= true;
198 break; 216 break;
199 217
200 // default: 218 // default:
201 // normal= G4ThreeVector( 0.0, 0.0, 0.0 << 219 // normal= G4ThreeVector( 0.0, 0.0, 0.0);
202 // *valid = false; << 220 // *valid= false;
203 // G4Exception("G4ErrorPropagationNavig 221 // G4Exception("G4ErrorPropagationNavigator::GetGlobalExitNormal",
204 // "Geometry:003", 222 // "Geometry:003",
205 // FatalException, "Impossi 223 // FatalException, "Impossible value of Target type");
>> 224 // exit(1);
206 // break; 225 // break;
207 } 226 }
208 } 227 }
209 return normal; 228 return normal;
210 } 229 }
211 230
212 231