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25 // 25 //
26 // G4AdjointPrimaryGenerator class implementat <<
27 // 26 //
28 // Author: L. Desorgher, SpaceIT GmbH - Novemb << 27 /////////////////////////////////////////////////////////////////////////////
29 // Contract: ESA contract 21435/08/NL/AT << 28 // Class Name: G4AdjointCrossSurfChecker
30 // Customer: ESA/ESTEC << 29 // Author: L. Desorgher
31 // ------------------------------------------- << 30 // Organisation: SpaceIT GmbH
>> 31 // Contract: ESA contract 21435/08/NL/AT
>> 32 // Customer: ESA/ESTEC
>> 33 /////////////////////////////////////////////////////////////////////////////
32 34
33 #include "G4AdjointPrimaryGenerator.hh" 35 #include "G4AdjointPrimaryGenerator.hh"
34 #include "G4PhysicalConstants.hh" 36 #include "G4PhysicalConstants.hh"
35 #include "G4Event.hh" 37 #include "G4Event.hh"
36 #include "G4SingleParticleSource.hh" 38 #include "G4SingleParticleSource.hh"
37 #include "G4ParticleDefinition.hh" 39 #include "G4ParticleDefinition.hh"
38 #include "G4AdjointPosOnPhysVolGenerator.hh" 40 #include "G4AdjointPosOnPhysVolGenerator.hh"
39 #include "G4Navigator.hh" 41 #include "G4Navigator.hh"
40 #include "G4TransportationManager.hh" 42 #include "G4TransportationManager.hh"
41 #include "G4VPhysicalVolume.hh" 43 #include "G4VPhysicalVolume.hh"
42 #include "G4Material.hh" 44 #include "G4Material.hh"
43 #include "Randomize.hh" 45 #include "Randomize.hh"
44 << 46 /*
45 // ------------------------------------------- << 47 #include "G4AdjointCSManager.hh"
>> 48 #include "G4MaterialCutsCouple.hh"
>> 49 */
>> 50 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
46 // 51 //
47 G4AdjointPrimaryGenerator::G4AdjointPrimaryGen 52 G4AdjointPrimaryGenerator::G4AdjointPrimaryGenerator()
>> 53 : radius_spherical_source(0.),fLinearNavigator(0),theAccumulatedDepthVector(0)
48 { 54 {
49 center_spherical_source = G4ThreeVector(0.,0 55 center_spherical_source = G4ThreeVector(0.,0.,0.);
50 type_of_adjoint_source="Spherical"; 56 type_of_adjoint_source="Spherical";
51 theSingleParticleSource = new G4SingleParti 57 theSingleParticleSource = new G4SingleParticleSource();
52 58
53 theSingleParticleSource->GetEneDist()->SetEn 59 theSingleParticleSource->GetEneDist()->SetEnergyDisType("Pow");
54 theSingleParticleSource->GetEneDist()->SetAl 60 theSingleParticleSource->GetEneDist()->SetAlpha(-1.);
55 theSingleParticleSource->GetPosDist()->SetPo 61 theSingleParticleSource->GetPosDist()->SetPosDisType("Point");
56 theSingleParticleSource->GetAngDist()->SetAn 62 theSingleParticleSource->GetAngDist()->SetAngDistType("planar");
57 63
58 theG4AdjointPosOnPhysVolGenerator = G4Adjoin 64 theG4AdjointPosOnPhysVolGenerator = G4AdjointPosOnPhysVolGenerator::GetInstance();
59 } <<
60 65
61 // ------------------------------------------- << 66 }
>> 67 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 // 68 //
63 G4AdjointPrimaryGenerator::~G4AdjointPrimaryGe 69 G4AdjointPrimaryGenerator::~G4AdjointPrimaryGenerator()
64 { 70 {
65 delete theSingleParticleSource; 71 delete theSingleParticleSource;
66 } 72 }
67 << 73 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
68 // ------------------------------------------- <<
69 // 74 //
70 void G4AdjointPrimaryGenerator:: << 75 void G4AdjointPrimaryGenerator::GenerateAdjointPrimaryVertex(G4Event* anEvent,G4ParticleDefinition* adj_part,G4double E1,G4double E2)
71 GenerateAdjointPrimaryVertex(G4Event* anEvent, <<
72 G4double E1, G4do <<
73 { 76 {
74 if (type_of_adjoint_source == "ExternalSurfa << 77 if (type_of_adjoint_source == "ExternalSurfaceOfAVolume") {
75 { << 78
76 // Generate position and direction relativ << 79 //Generate position and direction relative to the external surface of sensitive volume
77 // of sensitive volume << 80 //-------------------------------------------------------------
78 << 81
79 G4double costh_to_normal=1.; << 82 G4double costh_to_normal=1.;
80 G4ThreeVector pos =G4ThreeVector(0.,0.,0.) << 83 G4ThreeVector pos =G4ThreeVector(0.,0.,0.);
81 G4ThreeVector direction = G4ThreeVector(0. << 84 G4ThreeVector direction = G4ThreeVector(0.,0.,1.);
82 theG4AdjointPosOnPhysVolGenerator << 85 theG4AdjointPosOnPhysVolGenerator->GenerateAPositionOnTheExtSurfaceOfThePhysicalVolume(pos, direction,costh_to_normal);
83 ->GenerateAPositionOnTheExtSurfaceOfTheP << 86 if (costh_to_normal <1.e-4) costh_to_normal =1.e-4;
84 << 87 //compute now the position along the ray backward direction
85 if (costh_to_normal <1.e-4) { costh_to_no << 88
86 << 89 theSingleParticleSource->GetAngDist()->SetParticleMomentumDirection(-direction);
87 // compute now the position along the ray << 90 theSingleParticleSource->GetPosDist()->SetCentreCoords(pos);
88 // << 91 }
89 theSingleParticleSource->GetAngDist() << 92
90 ->SetParticleMomentumDirection(-directio << 93 theSingleParticleSource->GetEneDist()->SetEmin(E1);
91 theSingleParticleSource->GetPosDist()->Set << 94 theSingleParticleSource->GetEneDist()->SetEmax(E2);
92 } << 95
93 << 96 theSingleParticleSource->SetParticleDefinition(adj_part);
94 theSingleParticleSource->GetEneDist()->SetEm << 97 theSingleParticleSource->GeneratePrimaryVertex(anEvent);
95 theSingleParticleSource->GetEneDist()->SetEm << 98
96 << 99
97 theSingleParticleSource->SetParticleDefiniti <<
98 theSingleParticleSource->GeneratePrimaryVert <<
99 } <<
100 <<
101 // ------------------------------------------- <<
102 // <<
103 void G4AdjointPrimaryGenerator:: <<
104 GenerateFwdPrimaryVertex(G4Event* anEvent,G4Pa <<
105 G4double E1, G4double <<
106 { <<
107 if (type_of_adjoint_source == "ExternalSurfa <<
108 { <<
109 // Generate position and direction relativ <<
110 // of sensitive volume <<
111 <<
112 G4double costh_to_normal=1.; <<
113 G4ThreeVector pos =G4ThreeVector(0.,0.,0.) <<
114 G4ThreeVector direction = G4ThreeVector(0. <<
115 theG4AdjointPosOnPhysVolGenerator <<
116 ->GenerateAPositionOnTheExtSurfaceOfTheP <<
117 <<
118 if (costh_to_normal <1.e-4) { costh_to_no <<
119 theSingleParticleSource->GetAngDist() <<
120 ->SetParticleMomentumDirection(direction <<
121 theSingleParticleSource->GetPosDist()->Set <<
122 } <<
123 <<
124 theSingleParticleSource->GetEneDist()->SetEm <<
125 theSingleParticleSource->GetEneDist()->SetEm <<
126 100
127 theSingleParticleSource->SetParticleDefiniti <<
128 theSingleParticleSource->GeneratePrimaryVert <<
129 } 101 }
>> 102 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>> 103 //
>> 104 void G4AdjointPrimaryGenerator::GenerateFwdPrimaryVertex(G4Event* anEvent,G4ParticleDefinition* fwd_part,G4double E1,G4double E2)
>> 105 {
>> 106 if (type_of_adjoint_source == "ExternalSurfaceOfAVolume") {
>> 107
>> 108 //Generate position and direction relative to the external surface of sensitive volume
>> 109 //-------------------------------------------------------------
>> 110
>> 111 G4double costh_to_normal=1.;
>> 112 G4ThreeVector pos =G4ThreeVector(0.,0.,0.);
>> 113 G4ThreeVector direction = G4ThreeVector(0.,0.,1.);
>> 114 theG4AdjointPosOnPhysVolGenerator->GenerateAPositionOnTheExtSurfaceOfThePhysicalVolume(pos, direction,costh_to_normal);
>> 115 if (costh_to_normal <1.e-4) costh_to_normal =1.e-4;
>> 116 theSingleParticleSource->GetAngDist()->SetParticleMomentumDirection(direction);
>> 117 theSingleParticleSource->GetPosDist()->SetCentreCoords(pos);
>> 118 }
130 119
131 // ------------------------------------------- << 120 theSingleParticleSource->GetEneDist()->SetEmin(E1);
>> 121 theSingleParticleSource->GetEneDist()->SetEmax(E2);
>> 122
>> 123 theSingleParticleSource->SetParticleDefinition(fwd_part);
>> 124 theSingleParticleSource->GeneratePrimaryVertex(anEvent);
>> 125 }
>> 126 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 // 127 //
133 void G4AdjointPrimaryGenerator:: << 128 void G4AdjointPrimaryGenerator::SetSphericalAdjointPrimarySource(G4double radius, G4ThreeVector center_pos)
134 SetSphericalAdjointPrimarySource(G4double radi <<
135 { 129 {
136 radius_spherical_source = radius; 130 radius_spherical_source = radius;
137 center_spherical_source = center_pos; 131 center_spherical_source = center_pos;
138 type_of_adjoint_source = "Spherical"; << 132 type_of_adjoint_source ="Spherical";
139 theSingleParticleSource->GetPosDist()->SetPo 133 theSingleParticleSource->GetPosDist()->SetPosDisType("Surface");
140 theSingleParticleSource->GetPosDist()->SetPo 134 theSingleParticleSource->GetPosDist()->SetPosDisShape("Sphere");
141 theSingleParticleSource->GetPosDist()->SetCe 135 theSingleParticleSource->GetPosDist()->SetCentreCoords(center_pos);
142 theSingleParticleSource->GetPosDist()->SetRa 136 theSingleParticleSource->GetPosDist()->SetRadius(radius);
143 theSingleParticleSource->GetAngDist()->SetAn 137 theSingleParticleSource->GetAngDist()->SetAngDistType("cos");
144 theSingleParticleSource->GetAngDist()->SetMa 138 theSingleParticleSource->GetAngDist()->SetMaxTheta(pi);
145 theSingleParticleSource->GetAngDist()->SetMi 139 theSingleParticleSource->GetAngDist()->SetMinTheta(halfpi);
146 } 140 }
147 << 141 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
148 // ------------------------------------------- <<
149 // 142 //
150 void G4AdjointPrimaryGenerator:: << 143 void G4AdjointPrimaryGenerator::SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(const G4String& volume_name)
151 SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume <<
152 { 144 {
153 theG4AdjointPosOnPhysVolGenerator->DefinePhy 145 theG4AdjointPosOnPhysVolGenerator->DefinePhysicalVolume1(volume_name);
154 type_of_adjoint_source ="ExternalSurfaceOfAV 146 type_of_adjoint_source ="ExternalSurfaceOfAVolume";
155 theSingleParticleSource->GetPosDist()->SetPo 147 theSingleParticleSource->GetPosDist()->SetPosDisType("Point");
156 theSingleParticleSource->GetAngDist()->SetAn 148 theSingleParticleSource->GetAngDist()->SetAngDistType("planar");
157 } 149 }
158 150
159 // ------------------------------------------- << 151 ////////////////////////////////////////////////////////////////////////////////
160 // 152 //
161 void G4AdjointPrimaryGenerator:: << 153 void G4AdjointPrimaryGenerator::ComputeAccumulatedDepthVectorAlongBackRay(
162 ComputeAccumulatedDepthVectorAlongBackRay(G4Th << 154 G4ThreeVector glob_pos,
163 G4Th << 155 G4ThreeVector direction,
164 G4do << 156 G4double,
165 { << 157 G4ParticleDefinition*)
166 if (fLinearNavigator == nullptr) << 158 { if (!fLinearNavigator) fLinearNavigator =
167 { << 159 G4TransportationManager::GetTransportationManager()
168 fLinearNavigator = G4TransportationManager << 160 ->GetNavigatorForTracking();
169 ->GetNavigatorForTracking << 161 G4ThreeVector position = glob_pos;
170 } << 162 G4double safety=1.;
171 G4ThreeVector position = glob_pos; << 163 G4VPhysicalVolume* thePhysVolume =
172 G4double safety=1.; << 164 fLinearNavigator->LocateGlobalPointAndSetup(position);
173 G4VPhysicalVolume* thePhysVolume = << 165 G4double newStep =fLinearNavigator->ComputeStep(position,direction,1.e50,
174 fLinearNavigator->LocateGlobalPointAnd << 166 safety);
175 G4double newStep = fLinearNavigator->Compute << 167 if (theAccumulatedDepthVector) delete theAccumulatedDepthVector;
176 << 168 theAccumulatedDepthVector = new G4PhysicsOrderedFreeVector();
177 delete theAccumulatedDepthVector; << 169 //if (theAccumulatedCSDepthVector) delete theAccumulatedCSDepthVector;
178 theAccumulatedDepthVector = new G4PhysicsFre << 170 //theAccumulatedCSDepthVector = new G4PhysicsOrderedFreeVector();
179 << 171
180 G4double acc_depth=0.; << 172 G4double acc_depth=0.;
181 G4double acc_length=0.; << 173 G4double acc_length=0.;
182 theAccumulatedDepthVector->InsertValues(acc_ << 174 //G4double acc_cs_depth=0.;
183 << 175 //theAccumulatedCSDepthVector->InsertValues(acc_cs_depth, acc_length);
184 while (newStep > 0. && thePhysVolume != null << 176 theAccumulatedDepthVector->InsertValues(acc_length,acc_depth);
185 { << 177
186 acc_length+=newStep; << 178 while (newStep > 0. && thePhysVolume) {
187 acc_depth+=newStep*thePhysVolume->GetLogic << 179 acc_length+=newStep;
188 ->GetMater << 180 /*
189 theAccumulatedDepthVector->InsertValues(ac << 181 const G4MaterialCutsCouple* theMatCutsCouple=
190 position=position+newStep*direction; << 182 thePhysVolume->GetLogicalVolume()->GetMaterialCutsCouple();
191 thePhysVolume = fLinearNavigator << 183
192 ->LocateGlobalPointAndSetup( << 184
193 newStep = fLinearNavigator->ComputeStep(po << 185 acc_cs_depth+=newStep*G4AdjointCSManager::GetAdjointCSManager()->GetTotalAdjointCS(aPartDef,
194 } << 186 ekin,
195 } << 187 theMatCutsCouple);
>> 188 theAccumulatedCSDepthVector->InsertValues(acc_cs_depth, acc_length);*/
>> 189
>> 190 acc_depth+=newStep*thePhysVolume->GetLogicalVolume()->GetMaterial()->GetDensity();
>> 191 theAccumulatedDepthVector->InsertValues(acc_length,acc_depth);
>> 192 position=position+newStep*direction;
>> 193 thePhysVolume =
>> 194 fLinearNavigator->LocateGlobalPointAndSetup(position,0,false);
>> 195 newStep =fLinearNavigator->ComputeStep(position,direction,1.e50,
>> 196 safety);
>> 197 }
196 198
197 // ------------------------------------------- << 199
198 // << 200 }
199 G4double G4AdjointPrimaryGenerator:: << 201 ////////////////////////////////////////////////////////////////////////////////
200 SampleDistanceAlongBackRayAndComputeWeightCorr << 202 //
201 { << 203 G4double G4AdjointPrimaryGenerator::SampleDistanceAlongBackRayAndComputeWeightCorrection(G4double& weight_corr)
202 G4double rand = G4UniformRand(); << 204 {G4double rand = G4UniformRand();
203 G4double distance = theAccumulatedDepthVecto << 205 G4double distance = theAccumulatedDepthVector->FindLinearEnergy(rand);
204 weight_corr=1.; << 206 /*
205 return distance; << 207 G4double acc_cs_depth=theAccumulatedCSDepthVector->GetEnergy(distance);
>> 208 weight_corr=std::exp(-acc_cs_depth);*/
>> 209 weight_corr=1.;
>> 210 return distance;
206 } 211 }
>> 212
>> 213
>> 214
>> 215
207 216