| 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 // G4AdjointPrimaryGenerator class implementat 26 // G4AdjointPrimaryGenerator class implementation
27 // 27 //
28 // Author: L. Desorgher, SpaceIT GmbH - Novemb 28 // Author: L. Desorgher, SpaceIT GmbH - November 2009
29 // Contract: ESA contract 21435/08/NL/AT 29 // Contract: ESA contract 21435/08/NL/AT
30 // Customer: ESA/ESTEC 30 // Customer: ESA/ESTEC
31 // ------------------------------------------- 31 // --------------------------------------------------------------------
32 32
33 #include "G4AdjointPrimaryGenerator.hh" 33 #include "G4AdjointPrimaryGenerator.hh"
34 #include "G4PhysicalConstants.hh" 34 #include "G4PhysicalConstants.hh"
35 #include "G4Event.hh" 35 #include "G4Event.hh"
36 #include "G4SingleParticleSource.hh" 36 #include "G4SingleParticleSource.hh"
37 #include "G4ParticleDefinition.hh" 37 #include "G4ParticleDefinition.hh"
38 #include "G4AdjointPosOnPhysVolGenerator.hh" 38 #include "G4AdjointPosOnPhysVolGenerator.hh"
39 #include "G4Navigator.hh" 39 #include "G4Navigator.hh"
40 #include "G4TransportationManager.hh" 40 #include "G4TransportationManager.hh"
41 #include "G4VPhysicalVolume.hh" 41 #include "G4VPhysicalVolume.hh"
42 #include "G4Material.hh" 42 #include "G4Material.hh"
43 #include "Randomize.hh" 43 #include "Randomize.hh"
44 44
45 // ------------------------------------------- 45 // --------------------------------------------------------------------
46 // 46 //
47 G4AdjointPrimaryGenerator::G4AdjointPrimaryGen 47 G4AdjointPrimaryGenerator::G4AdjointPrimaryGenerator()
48 { 48 {
49 center_spherical_source = G4ThreeVector(0.,0 49 center_spherical_source = G4ThreeVector(0.,0.,0.);
50 type_of_adjoint_source="Spherical"; 50 type_of_adjoint_source="Spherical";
51 theSingleParticleSource = new G4SingleParti 51 theSingleParticleSource = new G4SingleParticleSource();
52 52
53 theSingleParticleSource->GetEneDist()->SetEn 53 theSingleParticleSource->GetEneDist()->SetEnergyDisType("Pow");
54 theSingleParticleSource->GetEneDist()->SetAl 54 theSingleParticleSource->GetEneDist()->SetAlpha(-1.);
55 theSingleParticleSource->GetPosDist()->SetPo 55 theSingleParticleSource->GetPosDist()->SetPosDisType("Point");
56 theSingleParticleSource->GetAngDist()->SetAn 56 theSingleParticleSource->GetAngDist()->SetAngDistType("planar");
57 57
58 theG4AdjointPosOnPhysVolGenerator = G4Adjoin 58 theG4AdjointPosOnPhysVolGenerator = G4AdjointPosOnPhysVolGenerator::GetInstance();
59 } 59 }
60 60
61 // ------------------------------------------- 61 // --------------------------------------------------------------------
62 // 62 //
63 G4AdjointPrimaryGenerator::~G4AdjointPrimaryGe 63 G4AdjointPrimaryGenerator::~G4AdjointPrimaryGenerator()
64 { 64 {
65 delete theSingleParticleSource; 65 delete theSingleParticleSource;
66 } 66 }
67 67
68 // ------------------------------------------- 68 // --------------------------------------------------------------------
69 // 69 //
70 void G4AdjointPrimaryGenerator:: 70 void G4AdjointPrimaryGenerator::
71 GenerateAdjointPrimaryVertex(G4Event* anEvent, 71 GenerateAdjointPrimaryVertex(G4Event* anEvent, G4ParticleDefinition* adj_part,
72 G4double E1, G4do 72 G4double E1, G4double E2)
73 { 73 {
74 if (type_of_adjoint_source == "ExternalSurfa 74 if (type_of_adjoint_source == "ExternalSurfaceOfAVolume")
75 { 75 {
76 // Generate position and direction relativ 76 // Generate position and direction relative to the external surface
77 // of sensitive volume 77 // of sensitive volume
78 78
79 G4double costh_to_normal=1.; 79 G4double costh_to_normal=1.;
80 G4ThreeVector pos =G4ThreeVector(0.,0.,0.) 80 G4ThreeVector pos =G4ThreeVector(0.,0.,0.);
81 G4ThreeVector direction = G4ThreeVector(0. 81 G4ThreeVector direction = G4ThreeVector(0.,0.,1.);
82 theG4AdjointPosOnPhysVolGenerator 82 theG4AdjointPosOnPhysVolGenerator
83 ->GenerateAPositionOnTheExtSurfaceOfTheP 83 ->GenerateAPositionOnTheExtSurfaceOfThePhysicalVolume(pos, direction,
84 84 costh_to_normal);
85 if (costh_to_normal <1.e-4) { costh_to_no 85 if (costh_to_normal <1.e-4) { costh_to_normal = 1.e-4; }
86 86
87 // compute now the position along the ray 87 // compute now the position along the ray backward direction
88 // 88 //
89 theSingleParticleSource->GetAngDist() 89 theSingleParticleSource->GetAngDist()
90 ->SetParticleMomentumDirection(-directio 90 ->SetParticleMomentumDirection(-direction);
91 theSingleParticleSource->GetPosDist()->Set 91 theSingleParticleSource->GetPosDist()->SetCentreCoords(pos);
92 } 92 }
93 93
94 theSingleParticleSource->GetEneDist()->SetEm 94 theSingleParticleSource->GetEneDist()->SetEmin(E1);
95 theSingleParticleSource->GetEneDist()->SetEm 95 theSingleParticleSource->GetEneDist()->SetEmax(E2);
96 96
97 theSingleParticleSource->SetParticleDefiniti 97 theSingleParticleSource->SetParticleDefinition(adj_part);
98 theSingleParticleSource->GeneratePrimaryVert 98 theSingleParticleSource->GeneratePrimaryVertex(anEvent);
99 } 99 }
100 100
101 // ------------------------------------------- 101 // --------------------------------------------------------------------
102 // 102 //
103 void G4AdjointPrimaryGenerator:: 103 void G4AdjointPrimaryGenerator::
104 GenerateFwdPrimaryVertex(G4Event* anEvent,G4Pa 104 GenerateFwdPrimaryVertex(G4Event* anEvent,G4ParticleDefinition* fwd_part,
105 G4double E1, G4double 105 G4double E1, G4double E2)
106 { 106 {
107 if (type_of_adjoint_source == "ExternalSurfa 107 if (type_of_adjoint_source == "ExternalSurfaceOfAVolume")
108 { 108 {
109 // Generate position and direction relativ 109 // Generate position and direction relative to the external surface
110 // of sensitive volume 110 // of sensitive volume
111 111
112 G4double costh_to_normal=1.; 112 G4double costh_to_normal=1.;
113 G4ThreeVector pos =G4ThreeVector(0.,0.,0.) 113 G4ThreeVector pos =G4ThreeVector(0.,0.,0.);
114 G4ThreeVector direction = G4ThreeVector(0. 114 G4ThreeVector direction = G4ThreeVector(0.,0.,1.);
115 theG4AdjointPosOnPhysVolGenerator 115 theG4AdjointPosOnPhysVolGenerator
116 ->GenerateAPositionOnTheExtSurfaceOfTheP 116 ->GenerateAPositionOnTheExtSurfaceOfThePhysicalVolume(pos, direction,
117 117 costh_to_normal);
118 if (costh_to_normal <1.e-4) { costh_to_no 118 if (costh_to_normal <1.e-4) { costh_to_normal =1.e-4; }
119 theSingleParticleSource->GetAngDist() 119 theSingleParticleSource->GetAngDist()
120 ->SetParticleMomentumDirection(direction 120 ->SetParticleMomentumDirection(direction);
121 theSingleParticleSource->GetPosDist()->Set 121 theSingleParticleSource->GetPosDist()->SetCentreCoords(pos);
122 } 122 }
123 123
124 theSingleParticleSource->GetEneDist()->SetEm 124 theSingleParticleSource->GetEneDist()->SetEmin(E1);
125 theSingleParticleSource->GetEneDist()->SetEm 125 theSingleParticleSource->GetEneDist()->SetEmax(E2);
126 126
127 theSingleParticleSource->SetParticleDefiniti 127 theSingleParticleSource->SetParticleDefinition(fwd_part);
128 theSingleParticleSource->GeneratePrimaryVert 128 theSingleParticleSource->GeneratePrimaryVertex(anEvent);
129 } 129 }
130 130
131 // ------------------------------------------- 131 // --------------------------------------------------------------------
132 // 132 //
133 void G4AdjointPrimaryGenerator:: 133 void G4AdjointPrimaryGenerator::
134 SetSphericalAdjointPrimarySource(G4double radi 134 SetSphericalAdjointPrimarySource(G4double radius, G4ThreeVector center_pos)
135 { 135 {
136 radius_spherical_source = radius; 136 radius_spherical_source = radius;
137 center_spherical_source = center_pos; 137 center_spherical_source = center_pos;
138 type_of_adjoint_source = "Spherical"; 138 type_of_adjoint_source = "Spherical";
139 theSingleParticleSource->GetPosDist()->SetPo 139 theSingleParticleSource->GetPosDist()->SetPosDisType("Surface");
140 theSingleParticleSource->GetPosDist()->SetPo 140 theSingleParticleSource->GetPosDist()->SetPosDisShape("Sphere");
141 theSingleParticleSource->GetPosDist()->SetCe 141 theSingleParticleSource->GetPosDist()->SetCentreCoords(center_pos);
142 theSingleParticleSource->GetPosDist()->SetRa 142 theSingleParticleSource->GetPosDist()->SetRadius(radius);
143 theSingleParticleSource->GetAngDist()->SetAn 143 theSingleParticleSource->GetAngDist()->SetAngDistType("cos");
144 theSingleParticleSource->GetAngDist()->SetMa 144 theSingleParticleSource->GetAngDist()->SetMaxTheta(pi);
145 theSingleParticleSource->GetAngDist()->SetMi 145 theSingleParticleSource->GetAngDist()->SetMinTheta(halfpi);
146 } 146 }
147 147
148 // ------------------------------------------- 148 // --------------------------------------------------------------------
149 // 149 //
150 void G4AdjointPrimaryGenerator:: 150 void G4AdjointPrimaryGenerator::
151 SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume 151 SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(const G4String& volume_name)
152 { 152 {
153 theG4AdjointPosOnPhysVolGenerator->DefinePhy 153 theG4AdjointPosOnPhysVolGenerator->DefinePhysicalVolume1(volume_name);
154 type_of_adjoint_source ="ExternalSurfaceOfAV 154 type_of_adjoint_source ="ExternalSurfaceOfAVolume";
155 theSingleParticleSource->GetPosDist()->SetPo 155 theSingleParticleSource->GetPosDist()->SetPosDisType("Point");
156 theSingleParticleSource->GetAngDist()->SetAn 156 theSingleParticleSource->GetAngDist()->SetAngDistType("planar");
157 } 157 }
158 158
159 // ------------------------------------------- 159 // --------------------------------------------------------------------
160 // 160 //
161 void G4AdjointPrimaryGenerator:: 161 void G4AdjointPrimaryGenerator::
162 ComputeAccumulatedDepthVectorAlongBackRay(G4Th 162 ComputeAccumulatedDepthVectorAlongBackRay(G4ThreeVector glob_pos,
163 G4Th 163 G4ThreeVector direction,
164 G4do 164 G4double, G4ParticleDefinition*)
165 { 165 {
166 if (fLinearNavigator == nullptr) 166 if (fLinearNavigator == nullptr)
167 { 167 {
168 fLinearNavigator = G4TransportationManager 168 fLinearNavigator = G4TransportationManager::GetTransportationManager()
169 ->GetNavigatorForTracking 169 ->GetNavigatorForTracking();
170 } 170 }
171 G4ThreeVector position = glob_pos; 171 G4ThreeVector position = glob_pos;
172 G4double safety=1.; 172 G4double safety=1.;
173 G4VPhysicalVolume* thePhysVolume = 173 G4VPhysicalVolume* thePhysVolume =
174 fLinearNavigator->LocateGlobalPointAnd 174 fLinearNavigator->LocateGlobalPointAndSetup(position);
175 G4double newStep = fLinearNavigator->Compute 175 G4double newStep = fLinearNavigator->ComputeStep(position,direction,1.e50,
176 176 safety);
177 delete theAccumulatedDepthVector; << 177 if (theAccumulatedDepthVector != nullptr) {delete theAccumulatedDepthVector;}
178 theAccumulatedDepthVector = new G4PhysicsFre 178 theAccumulatedDepthVector = new G4PhysicsFreeVector();
179 179
180 G4double acc_depth=0.; 180 G4double acc_depth=0.;
181 G4double acc_length=0.; 181 G4double acc_length=0.;
182 theAccumulatedDepthVector->InsertValues(acc_ 182 theAccumulatedDepthVector->InsertValues(acc_length,acc_depth);
183 183
184 while (newStep > 0. && thePhysVolume != null 184 while (newStep > 0. && thePhysVolume != nullptr)
185 { 185 {
186 acc_length+=newStep; 186 acc_length+=newStep;
187 acc_depth+=newStep*thePhysVolume->GetLogic 187 acc_depth+=newStep*thePhysVolume->GetLogicalVolume()
188 ->GetMater 188 ->GetMaterial()->GetDensity();
189 theAccumulatedDepthVector->InsertValues(ac 189 theAccumulatedDepthVector->InsertValues(acc_length,acc_depth);
190 position=position+newStep*direction; 190 position=position+newStep*direction;
191 thePhysVolume = fLinearNavigator 191 thePhysVolume = fLinearNavigator
192 ->LocateGlobalPointAndSetup( 192 ->LocateGlobalPointAndSetup(position,nullptr,false);
193 newStep = fLinearNavigator->ComputeStep(po 193 newStep = fLinearNavigator->ComputeStep(position,direction,1.e50,safety);
194 } 194 }
195 } 195 }
196 196
197 // ------------------------------------------- 197 // --------------------------------------------------------------------
198 // 198 //
199 G4double G4AdjointPrimaryGenerator:: 199 G4double G4AdjointPrimaryGenerator::
200 SampleDistanceAlongBackRayAndComputeWeightCorr 200 SampleDistanceAlongBackRayAndComputeWeightCorrection(G4double& weight_corr)
201 { 201 {
202 G4double rand = G4UniformRand(); 202 G4double rand = G4UniformRand();
203 G4double distance = theAccumulatedDepthVecto 203 G4double distance = theAccumulatedDepthVector->FindLinearEnergy(rand);
204 weight_corr=1.; 204 weight_corr=1.;
205 return distance; 205 return distance;
206 } 206 }
207 207