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25 // 25 //
26 // class G4ErrorPropagationNavigator implement <<
27 // 26 //
28 // Author: Pedro Arce, CIEMAT << 27 // $Id: G4ErrorPropagationNavigator.cc,v 1.2 2008/10/24 14:00:03 gcosmo Exp $
>> 28 // GEANT4 tag $Name: geant4-09-02-patch-03 $
>> 29 //
>> 30 //
>> 31 // --------------------------------------------------------------------
>> 32 // GEANT 4 class implementation file
29 // ------------------------------------------- 33 // --------------------------------------------------------------------
30 34
31 #include "G4ErrorPropagationNavigator.hh" 35 #include "G4ErrorPropagationNavigator.hh"
32 36
33 #include "globals.hh" 37 #include "globals.hh"
34 #include "G4ThreeVector.hh" 38 #include "G4ThreeVector.hh"
35 #include "G4ErrorPropagatorData.hh" 39 #include "G4ErrorPropagatorData.hh"
36 #include "G4ErrorSurfaceTarget.hh" 40 #include "G4ErrorSurfaceTarget.hh"
37 41
38 #include "G4ErrorPlaneSurfaceTarget.hh" << 42 //-------------------------------------------------------------------
39 #include "G4ErrorCylSurfaceTarget.hh" << 43
>> 44 G4ErrorPropagationNavigator::G4ErrorPropagationNavigator()
>> 45 : G4Navigator()
>> 46 {
>> 47 }
>> 48
>> 49 //-------------------------------------------------------------------
>> 50
>> 51 G4ErrorPropagationNavigator::~G4ErrorPropagationNavigator()
>> 52 {
>> 53 }
>> 54
>> 55 //-------------------------------------------------------------------
40 56
41 G4double G4ErrorPropagationNavigator:: 57 G4double G4ErrorPropagationNavigator::
42 ComputeStep ( const G4ThreeVector &pGlobalPoin 58 ComputeStep ( const G4ThreeVector &pGlobalPoint,
43 const G4ThreeVector &pDirection, 59 const G4ThreeVector &pDirection,
44 const G4double pCurrentProposedS 60 const G4double pCurrentProposedStepLength,
45 G4double &pNewSafety ) 61 G4double &pNewSafety )
46 { 62 {
47 G4double safetyGeom = DBL_MAX; <<
48 <<
49 G4double Step = G4Navigator::ComputeStep(pGl 63 G4double Step = G4Navigator::ComputeStep(pGlobalPoint, pDirection,
50 pCu 64 pCurrentProposedStepLength,
51 saf << 65 pNewSafety);
52 66
53 G4ErrorPropagatorData* g4edata << 67 G4ErrorPropagatorData * g4edata
54 = G4ErrorPropagatorData::GetErrorPropagato 68 = G4ErrorPropagatorData::GetErrorPropagatorData();
55 69
56 if ( g4edata != nullptr ) << 70 if (g4edata !=0)
57 { 71 {
58 const G4ErrorTarget* target = g4edata->Get 72 const G4ErrorTarget* target = g4edata->GetTarget();
59 if( target != nullptr ) << 73 if( target != 0 )
60 { 74 {
61 G4double StepPlane=target->GetDistanceFr << 75 G4double StepPlane(target->GetDistanceFromPoint(pGlobalPoint,pDirection));
62 76
63 if( StepPlane < 0. ) // Negative means t << 77 if( StepPlane < 0. ) // Negative means target is crossed, will not be found
64 { // will not be foun << 78 {
65 StepPlane = DBL_MAX; 79 StepPlane = DBL_MAX;
66 } 80 }
67 #ifdef G4VERBOSE 81 #ifdef G4VERBOSE
68 if( G4ErrorPropagatorData::verbose() >= 82 if( G4ErrorPropagatorData::verbose() >= 4 )
69 { 83 {
70 G4cout << "G4ErrorPropagationNavigator 84 G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
71 << " Target step: " << StepPla 85 << " Target step: " << StepPlane
72 << ", Transportation step: " << 86 << ", Transportation step: " << Step << G4endl;
73 target->Dump( "G4ErrorPropagationNavig 87 target->Dump( "G4ErrorPropagationNavigator::ComputeStep Target " );
74 } 88 }
75 #endif 89 #endif
76 90
77 if( StepPlane < Step ) << 91 if(StepPlane<Step)
78 { 92 {
79 #ifdef G4VERBOSE 93 #ifdef G4VERBOSE
80 if( G4ErrorPropagatorData::verbose() > 94 if( G4ErrorPropagatorData::verbose() >= 2 )
81 { 95 {
82 G4cout << "G4ErrorPropagationNavigat 96 G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
83 << " TargetCloserThanBoundar 97 << " TargetCloserThanBoundary: " << StepPlane << " < "
84 << Step << G4endl; 98 << Step << G4endl;
85 } 99 }
86 #endif 100 #endif
87 Step = StepPlane; 101 Step = StepPlane;
88 g4edata->SetState(G4ErrorState_TargetC 102 g4edata->SetState(G4ErrorState_TargetCloserThanBoundary);
89 } 103 }
90 else 104 else
91 { 105 {
92 g4edata->SetState(G4ErrorState_Propaga 106 g4edata->SetState(G4ErrorState_Propagating);
93 } 107 }
94 } 108 }
95 } 109 }
96 G4double safetyTarget = TargetSafetyFromPoin << 110 pNewSafety = ComputeSafety(pGlobalPoint, pCurrentProposedStepLength);
97 <<
98 // Avoid call to G4Navigator::ComputeSafety <<
99 // <<
100 pNewSafety = std::min(safetyGeom, safetyTarg <<
101 111
102 #ifdef G4VERBOSE 112 #ifdef G4VERBOSE
103 if( G4ErrorPropagatorData::verbose() >= 3 ) 113 if( G4ErrorPropagatorData::verbose() >= 3 )
104 { 114 {
105 G4cout << "G4ErrorPropagationNavigator::Co 115 G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
106 << " Step: " << Step << ", Compute 116 << " Step: " << Step << ", ComputeSafety: " << pNewSafety
107 << G4endl; 117 << G4endl;
108 } 118 }
109 #endif 119 #endif
110 120
111 return Step; 121 return Step;
112 } 122 }
113 123
114 //-------------------------------------------- 124 //-------------------------------------------------------------------
115 125
116 G4double G4ErrorPropagationNavigator:: 126 G4double G4ErrorPropagationNavigator::
117 TargetSafetyFromPoint( const G4ThreeVector& pG << 127 ComputeSafety( const G4ThreeVector &pGlobalpoint,
118 { <<
119 G4double safety = DBL_MAX; <<
120 <<
121 G4ErrorPropagatorData* g4edata <<
122 = G4ErrorPropagatorData::GetErrorPropagato <<
123 <<
124 if ( g4edata != nullptr ) <<
125 { <<
126 const G4ErrorTarget* target = g4edata->Get <<
127 if( target != nullptr ) <<
128 { <<
129 safety = target->GetDistanceFromPoint(p <<
130 } <<
131 } <<
132 return safety; <<
133 } <<
134 <<
135 //-------------------------------------------- <<
136 <<
137 G4double G4ErrorPropagationNavigator:: <<
138 ComputeSafety( const G4ThreeVector &pGlobalPoi <<
139 const G4double pMaxLength, 128 const G4double pMaxLength,
140 const G4bool keepState ) 129 const G4bool keepState )
141 { 130 {
142 G4double safetyGeom = G4Navigator::ComputeSa << 131 G4double newSafety = G4Navigator::ComputeSafety(pGlobalpoint,
143 132 pMaxLength, keepState);
144 133
145 G4double safetyTarget = TargetSafetyFromPoin << 134 G4ErrorPropagatorData *g4edata
146 << 135 = G4ErrorPropagatorData::GetErrorPropagatorData();
147 return std::min(safetyGeom, safetyTarget); <<
148 } <<
149 <<
150 //-------------------------------------------- <<
151 <<
152 G4ThreeVector G4ErrorPropagationNavigator:: <<
153 GetGlobalExitNormal( const G4ThreeVector& poin <<
154 { <<
155 G4ErrorPropagatorData* g4edata <<
156 = G4ErrorPropagatorData::GetErrorPropa <<
157 const G4ErrorTarget* target = nullptr; <<
158 136
159 G4ThreeVector normal(0.0, 0.0, 0.0); << 137 if (g4edata !=0)
160 G4double distance= 0; <<
161 <<
162 // Determine which 'geometry' limited the st <<
163 if ( g4edata != nullptr ) <<
164 { 138 {
165 target = g4edata->GetTarget(); << 139 const G4ErrorTarget* target = g4edata->GetTarget();
166 if( target != nullptr ) << 140 if( target != 0 )
167 { <<
168 distance = target->GetDistanceFromPoint( <<
169 } <<
170 } <<
171 <<
172 if( distance > kCarTolerance || (target == n <<
173 // Not reached the target or if a target d <<
174 // this seems the best we can do <<
175 { <<
176 normal = G4Navigator::GetGlobalExitNormal( <<
177 } <<
178 else <<
179 { <<
180 switch( target->GetType() ) <<
181 { 141 {
182 case G4ErrorTarget_GeomVolume: << 142 G4double distance = target->GetDistanceFromPoint(pGlobalpoint);
183 // The volume is in the 'real' mass ge << 143
184 normal = G4Navigator::GetGlobalExitNor << 144 if(distance<newSafety)
185 break; << 145 {
186 case G4ErrorTarget_TrkL: << 146 newSafety = distance;
187 normal = G4ThreeVector( 0.0, 0.0, 0.0) << 147 }
188 *valid = false; <<
189 G4Exception("G4ErrorPropagationNavigat <<
190 "Geometry1003", <<
191 JustWarning, "Unexpected v <<
192 break; <<
193 case G4ErrorTarget_PlaneSurface: <<
194 case G4ErrorTarget_CylindricalSurface: <<
195 const auto surfTarget= static_cast<con <<
196 normal = surfTarget->GetTangentPlane(p <<
197 *valid = true; <<
198 break; <<
199 <<
200 // default: <<
201 // normal= G4ThreeVector( 0.0, 0.0, 0.0 <<
202 // *valid = false; <<
203 // G4Exception("G4ErrorPropagationNavig <<
204 // "Geometry:003", <<
205 // FatalException, "Impossi <<
206 // break; <<
207 } 148 }
208 } 149 }
209 return normal; << 150 return newSafety;
210 } << 151 }
211 <<
212 152