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25 // 25 //
26 // G4AdjointPrimaryGenerator class implementat << 26 // $Id: G4AdjointPrimaryGenerator.cc 76257 2013-11-08 11:31:00Z gcosmo $
27 // 27 //
28 // Author: L. Desorgher, SpaceIT GmbH - Novemb << 28 /////////////////////////////////////////////////////////////////////////////
29 // Contract: ESA contract 21435/08/NL/AT << 29 // Class Name: G4AdjointCrossSurfChecker
30 // Customer: ESA/ESTEC << 30 // Author: L. Desorgher
31 // ------------------------------------------- << 31 // Organisation: SpaceIT GmbH
>> 32 // Contract: ESA contract 21435/08/NL/AT
>> 33 // Customer: ESA/ESTEC
>> 34 /////////////////////////////////////////////////////////////////////////////
32 35
33 #include "G4AdjointPrimaryGenerator.hh" 36 #include "G4AdjointPrimaryGenerator.hh"
34 #include "G4PhysicalConstants.hh" 37 #include "G4PhysicalConstants.hh"
35 #include "G4Event.hh" 38 #include "G4Event.hh"
36 #include "G4SingleParticleSource.hh" 39 #include "G4SingleParticleSource.hh"
37 #include "G4ParticleDefinition.hh" 40 #include "G4ParticleDefinition.hh"
38 #include "G4AdjointPosOnPhysVolGenerator.hh" 41 #include "G4AdjointPosOnPhysVolGenerator.hh"
39 #include "G4Navigator.hh" <<
40 #include "G4TransportationManager.hh" <<
41 #include "G4VPhysicalVolume.hh" <<
42 #include "G4Material.hh" <<
43 #include "Randomize.hh" <<
44 42
45 // ------------------------------------------- << 43 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
46 // 44 //
47 G4AdjointPrimaryGenerator::G4AdjointPrimaryGen 45 G4AdjointPrimaryGenerator::G4AdjointPrimaryGenerator()
>> 46 : radius_spherical_source(0.)
48 { 47 {
49 center_spherical_source = G4ThreeVector(0.,0 48 center_spherical_source = G4ThreeVector(0.,0.,0.);
50 type_of_adjoint_source="Spherical"; 49 type_of_adjoint_source="Spherical";
51 theSingleParticleSource = new G4SingleParti 50 theSingleParticleSource = new G4SingleParticleSource();
52 51
53 theSingleParticleSource->GetEneDist()->SetEn 52 theSingleParticleSource->GetEneDist()->SetEnergyDisType("Pow");
54 theSingleParticleSource->GetEneDist()->SetAl 53 theSingleParticleSource->GetEneDist()->SetAlpha(-1.);
55 theSingleParticleSource->GetPosDist()->SetPo 54 theSingleParticleSource->GetPosDist()->SetPosDisType("Point");
56 theSingleParticleSource->GetAngDist()->SetAn 55 theSingleParticleSource->GetAngDist()->SetAngDistType("planar");
57 56
58 theG4AdjointPosOnPhysVolGenerator = G4Adjoin 57 theG4AdjointPosOnPhysVolGenerator = G4AdjointPosOnPhysVolGenerator::GetInstance();
59 } 58 }
60 << 59 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
61 // ------------------------------------------- <<
62 // 60 //
63 G4AdjointPrimaryGenerator::~G4AdjointPrimaryGe 61 G4AdjointPrimaryGenerator::~G4AdjointPrimaryGenerator()
64 { 62 {
65 delete theSingleParticleSource; 63 delete theSingleParticleSource;
66 } 64 }
67 << 65 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
68 // ------------------------------------------- <<
69 // 66 //
70 void G4AdjointPrimaryGenerator:: << 67 void G4AdjointPrimaryGenerator::GenerateAdjointPrimaryVertex(G4Event* anEvent,G4ParticleDefinition* adj_part,G4double E1,G4double E2)
71 GenerateAdjointPrimaryVertex(G4Event* anEvent, <<
72 G4double E1, G4do <<
73 { <<
74 if (type_of_adjoint_source == "ExternalSurfa <<
75 { <<
76 // Generate position and direction relativ <<
77 // of sensitive volume <<
78 <<
79 G4double costh_to_normal=1.; <<
80 G4ThreeVector pos =G4ThreeVector(0.,0.,0.) <<
81 G4ThreeVector direction = G4ThreeVector(0. <<
82 theG4AdjointPosOnPhysVolGenerator <<
83 ->GenerateAPositionOnTheExtSurfaceOfTheP <<
84 <<
85 if (costh_to_normal <1.e-4) { costh_to_no <<
86 <<
87 // compute now the position along the ray <<
88 // <<
89 theSingleParticleSource->GetAngDist() <<
90 ->SetParticleMomentumDirection(-directio <<
91 theSingleParticleSource->GetPosDist()->Set <<
92 } <<
93 <<
94 theSingleParticleSource->GetEneDist()->SetEm <<
95 theSingleParticleSource->GetEneDist()->SetEm <<
96 <<
97 theSingleParticleSource->SetParticleDefiniti <<
98 theSingleParticleSource->GeneratePrimaryVert <<
99 } <<
100 <<
101 // ------------------------------------------- <<
102 // <<
103 void G4AdjointPrimaryGenerator:: <<
104 GenerateFwdPrimaryVertex(G4Event* anEvent,G4Pa <<
105 G4double E1, G4double <<
106 { 68 {
107 if (type_of_adjoint_source == "ExternalSurfa << 69 if (type_of_adjoint_source == "ExternalSurfaceOfAVolume") {
108 { << 70
109 // Generate position and direction relativ << 71 //Generate position and direction relative to the external surface of sensitive volume
110 // of sensitive volume << 72 //-------------------------------------------------------------
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 73
127 theSingleParticleSource->SetParticleDefiniti << 74 G4double costh_to_normal=1.;
128 theSingleParticleSource->GeneratePrimaryVert << 75 G4ThreeVector pos =G4ThreeVector(0.,0.,0.);
>> 76 G4ThreeVector direction = G4ThreeVector(0.,0.,1.);
>> 77 theG4AdjointPosOnPhysVolGenerator->GenerateAPositionOnTheExtSurfaceOfThePhysicalVolume(pos, direction,costh_to_normal);
>> 78 if (costh_to_normal <1.e-4) costh_to_normal =1.e-4;
>> 79 theSingleParticleSource->GetAngDist()->SetParticleMomentumDirection(-direction);
>> 80 theSingleParticleSource->GetPosDist()->SetCentreCoords(pos);
>> 81 }
>> 82
>> 83 theSingleParticleSource->GetEneDist()->SetEmin(E1);
>> 84 theSingleParticleSource->GetEneDist()->SetEmax(E2);
>> 85
>> 86 theSingleParticleSource->SetParticleDefinition(adj_part);
>> 87 theSingleParticleSource->GeneratePrimaryVertex(anEvent);
129 } 88 }
>> 89 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>> 90 //
>> 91 void G4AdjointPrimaryGenerator::GenerateFwdPrimaryVertex(G4Event* anEvent,G4ParticleDefinition* fwd_part,G4double E1,G4double E2)
>> 92 {
>> 93 if (type_of_adjoint_source == "ExternalSurfaceOfAVolume") {
>> 94
>> 95 //Generate position and direction relative to the external surface of sensitive volume
>> 96 //-------------------------------------------------------------
>> 97
>> 98 G4double costh_to_normal=1.;
>> 99 G4ThreeVector pos =G4ThreeVector(0.,0.,0.);
>> 100 G4ThreeVector direction = G4ThreeVector(0.,0.,1.);
>> 101 theG4AdjointPosOnPhysVolGenerator->GenerateAPositionOnTheExtSurfaceOfThePhysicalVolume(pos, direction,costh_to_normal);
>> 102 if (costh_to_normal <1.e-4) costh_to_normal =1.e-4;
>> 103 theSingleParticleSource->GetAngDist()->SetParticleMomentumDirection(direction);
>> 104 theSingleParticleSource->GetPosDist()->SetCentreCoords(pos);
>> 105 }
>> 106
>> 107 theSingleParticleSource->GetEneDist()->SetEmin(E1);
>> 108 theSingleParticleSource->GetEneDist()->SetEmax(E2);
130 109
131 // ------------------------------------------- << 110 theSingleParticleSource->SetParticleDefinition(fwd_part);
>> 111 theSingleParticleSource->GeneratePrimaryVertex(anEvent);
>> 112 }
>> 113 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 // 114 //
133 void G4AdjointPrimaryGenerator:: << 115 void G4AdjointPrimaryGenerator::SetSphericalAdjointPrimarySource(G4double radius, G4ThreeVector center_pos)
134 SetSphericalAdjointPrimarySource(G4double radi <<
135 { 116 {
136 radius_spherical_source = radius; 117 radius_spherical_source = radius;
137 center_spherical_source = center_pos; 118 center_spherical_source = center_pos;
138 type_of_adjoint_source = "Spherical"; << 119 type_of_adjoint_source ="Spherical";
139 theSingleParticleSource->GetPosDist()->SetPo 120 theSingleParticleSource->GetPosDist()->SetPosDisType("Surface");
140 theSingleParticleSource->GetPosDist()->SetPo 121 theSingleParticleSource->GetPosDist()->SetPosDisShape("Sphere");
141 theSingleParticleSource->GetPosDist()->SetCe 122 theSingleParticleSource->GetPosDist()->SetCentreCoords(center_pos);
142 theSingleParticleSource->GetPosDist()->SetRa 123 theSingleParticleSource->GetPosDist()->SetRadius(radius);
143 theSingleParticleSource->GetAngDist()->SetAn 124 theSingleParticleSource->GetAngDist()->SetAngDistType("cos");
144 theSingleParticleSource->GetAngDist()->SetMa 125 theSingleParticleSource->GetAngDist()->SetMaxTheta(pi);
145 theSingleParticleSource->GetAngDist()->SetMi 126 theSingleParticleSource->GetAngDist()->SetMinTheta(halfpi);
146 } 127 }
147 << 128 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
148 // ------------------------------------------- <<
149 // 129 //
150 void G4AdjointPrimaryGenerator:: << 130 void G4AdjointPrimaryGenerator::SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(const G4String& volume_name)
151 SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume <<
152 { 131 {
153 theG4AdjointPosOnPhysVolGenerator->DefinePhy 132 theG4AdjointPosOnPhysVolGenerator->DefinePhysicalVolume1(volume_name);
154 type_of_adjoint_source ="ExternalSurfaceOfAV 133 type_of_adjoint_source ="ExternalSurfaceOfAVolume";
155 theSingleParticleSource->GetPosDist()->SetPo 134 theSingleParticleSource->GetPosDist()->SetPosDisType("Point");
156 theSingleParticleSource->GetAngDist()->SetAn 135 theSingleParticleSource->GetAngDist()->SetAngDistType("planar");
157 } 136 }
158 137
159 // ------------------------------------------- <<
160 // <<
161 void G4AdjointPrimaryGenerator:: <<
162 ComputeAccumulatedDepthVectorAlongBackRay(G4Th <<
163 G4Th <<
164 G4do <<
165 { <<
166 if (fLinearNavigator == nullptr) <<
167 { <<
168 fLinearNavigator = G4TransportationManager <<
169 ->GetNavigatorForTracking <<
170 } <<
171 G4ThreeVector position = glob_pos; <<
172 G4double safety=1.; <<
173 G4VPhysicalVolume* thePhysVolume = <<
174 fLinearNavigator->LocateGlobalPointAnd <<
175 G4double newStep = fLinearNavigator->Compute <<
176 <<
177 delete theAccumulatedDepthVector; <<
178 theAccumulatedDepthVector = new G4PhysicsFre <<
179 <<
180 G4double acc_depth=0.; <<
181 G4double acc_length=0.; <<
182 theAccumulatedDepthVector->InsertValues(acc_ <<
183 <<
184 while (newStep > 0. && thePhysVolume != null <<
185 { <<
186 acc_length+=newStep; <<
187 acc_depth+=newStep*thePhysVolume->GetLogic <<
188 ->GetMater <<
189 theAccumulatedDepthVector->InsertValues(ac <<
190 position=position+newStep*direction; <<
191 thePhysVolume = fLinearNavigator <<
192 ->LocateGlobalPointAndSetup( <<
193 newStep = fLinearNavigator->ComputeStep(po <<
194 } <<
195 } <<
196 <<
197 // ------------------------------------------- <<
198 // <<
199 G4double G4AdjointPrimaryGenerator:: <<
200 SampleDistanceAlongBackRayAndComputeWeightCorr <<
201 { <<
202 G4double rand = G4UniformRand(); <<
203 G4double distance = theAccumulatedDepthVecto <<
204 weight_corr=1.; <<
205 return distance; <<
206 } <<
207 138