| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // class G4ErrorPropagationNavigator implement <<
27 // 26 //
28 // Author: Pedro Arce, CIEMAT << 27 // $Id$
>> 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 //-------------------------------------------------------------------
39 #include "G4ErrorCylSurfaceTarget.hh" << 42
>> 43 G4ErrorPropagationNavigator::G4ErrorPropagationNavigator()
>> 44 : G4Navigator()
>> 45 {
>> 46 }
>> 47
>> 48 //-------------------------------------------------------------------
>> 49
>> 50 G4ErrorPropagationNavigator::~G4ErrorPropagationNavigator()
>> 51 {
>> 52 }
>> 53
>> 54 //-------------------------------------------------------------------
40 55
41 G4double G4ErrorPropagationNavigator:: 56 G4double G4ErrorPropagationNavigator::
42 ComputeStep ( const G4ThreeVector &pGlobalPoin 57 ComputeStep ( const G4ThreeVector &pGlobalPoint,
43 const G4ThreeVector &pDirection, 58 const G4ThreeVector &pDirection,
44 const G4double pCurrentProposedS 59 const G4double pCurrentProposedStepLength,
45 G4double &pNewSafety ) 60 G4double &pNewSafety )
46 { 61 {
47 G4double safetyGeom = DBL_MAX; <<
48 <<
49 G4double Step = G4Navigator::ComputeStep(pGl 62 G4double Step = G4Navigator::ComputeStep(pGlobalPoint, pDirection,
50 pCu 63 pCurrentProposedStepLength,
51 saf << 64 pNewSafety);
52 65
53 G4ErrorPropagatorData* g4edata << 66 G4ErrorPropagatorData * g4edata
54 = G4ErrorPropagatorData::GetErrorPropagato 67 = G4ErrorPropagatorData::GetErrorPropagatorData();
55 68
56 if ( g4edata != nullptr ) << 69 if (g4edata !=0)
57 { 70 {
58 const G4ErrorTarget* target = g4edata->Get 71 const G4ErrorTarget* target = g4edata->GetTarget();
59 if( target != nullptr ) << 72 if( target != 0 )
60 { 73 {
61 G4double StepPlane=target->GetDistanceFr << 74 G4double StepPlane= target->GetDistanceFromPoint(pGlobalPoint,pDirection);
62 75
63 if( StepPlane < 0. ) // Negative means t << 76 if( StepPlane < 0. ) // Negative means target is crossed, will not be found
64 { // will not be foun << 77 {
65 StepPlane = DBL_MAX; 78 StepPlane = DBL_MAX;
66 } 79 }
67 #ifdef G4VERBOSE 80 #ifdef G4VERBOSE
68 if( G4ErrorPropagatorData::verbose() >= 81 if( G4ErrorPropagatorData::verbose() >= 4 )
69 { 82 {
70 G4cout << "G4ErrorPropagationNavigator 83 G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
71 << " Target step: " << StepPla 84 << " Target step: " << StepPlane
72 << ", Transportation step: " << 85 << ", Transportation step: " << Step << G4endl;
73 target->Dump( "G4ErrorPropagationNavig 86 target->Dump( "G4ErrorPropagationNavigator::ComputeStep Target " );
74 } 87 }
75 #endif 88 #endif
76 89
77 if( StepPlane < Step ) << 90 if(StepPlane<Step)
78 { 91 {
79 #ifdef G4VERBOSE 92 #ifdef G4VERBOSE
80 if( G4ErrorPropagatorData::verbose() > 93 if( G4ErrorPropagatorData::verbose() >= 2 )
81 { 94 {
82 G4cout << "G4ErrorPropagationNavigat 95 G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
83 << " TargetCloserThanBoundar 96 << " TargetCloserThanBoundary: " << StepPlane << " < "
84 << Step << G4endl; 97 << Step << G4endl;
85 } 98 }
86 #endif 99 #endif
87 Step = StepPlane; 100 Step = StepPlane;
88 g4edata->SetState(G4ErrorState_TargetC 101 g4edata->SetState(G4ErrorState_TargetCloserThanBoundary);
89 } 102 }
90 else 103 else
91 { 104 {
92 g4edata->SetState(G4ErrorState_Propaga 105 g4edata->SetState(G4ErrorState_Propagating);
93 } 106 }
94 } 107 }
95 } 108 }
96 G4double safetyTarget = TargetSafetyFromPoin << 109 pNewSafety = ComputeSafety(pGlobalPoint, pCurrentProposedStepLength);
97 <<
98 // Avoid call to G4Navigator::ComputeSafety <<
99 // <<
100 pNewSafety = std::min(safetyGeom, safetyTarg <<
101 110
102 #ifdef G4VERBOSE 111 #ifdef G4VERBOSE
103 if( G4ErrorPropagatorData::verbose() >= 3 ) 112 if( G4ErrorPropagatorData::verbose() >= 3 )
104 { 113 {
105 G4cout << "G4ErrorPropagationNavigator::Co 114 G4cout << "G4ErrorPropagationNavigator::ComputeStep()" << G4endl
106 << " Step: " << Step << ", Compute 115 << " Step: " << Step << ", ComputeSafety: " << pNewSafety
107 << G4endl; 116 << G4endl;
108 } 117 }
109 #endif 118 #endif
110 119
111 return Step; 120 return Step;
112 } 121 }
113 122
114 //-------------------------------------------- 123 //-------------------------------------------------------------------
115 124
116 G4double G4ErrorPropagationNavigator:: 125 G4double G4ErrorPropagationNavigator::
117 TargetSafetyFromPoint( const G4ThreeVector& pG << 126 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, 127 const G4double pMaxLength,
140 const G4bool keepState ) 128 const G4bool keepState )
141 { 129 {
142 G4double safetyGeom = G4Navigator::ComputeSa << 130 G4double newSafety = G4Navigator::ComputeSafety(pGlobalpoint,
143 131 pMaxLength, keepState);
144 132
145 G4double safetyTarget = TargetSafetyFromPoin << 133 G4ErrorPropagatorData *g4edata
146 << 134 = 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; <<
158 135
159 G4ThreeVector normal(0.0, 0.0, 0.0); << 136 if (g4edata !=0)
160 G4double distance= 0; <<
161 <<
162 // Determine which 'geometry' limited the st <<
163 if ( g4edata != nullptr ) <<
164 { 137 {
165 target = g4edata->GetTarget(); << 138 const G4ErrorTarget* target = g4edata->GetTarget();
166 if( target != nullptr ) << 139 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 { 140 {
182 case G4ErrorTarget_GeomVolume: << 141 G4double distance = target->GetDistanceFromPoint(pGlobalpoint);
183 // The volume is in the 'real' mass ge << 142
184 normal = G4Navigator::GetGlobalExitNor << 143 if(distance<newSafety)
185 break; << 144 {
186 case G4ErrorTarget_TrkL: << 145 newSafety = distance;
187 normal = G4ThreeVector( 0.0, 0.0, 0.0) << 146 }
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 } 147 }
208 } 148 }
209 return normal; << 149 return newSafety;
210 } << 150 }
211 <<
212 151