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25 // 25 //
26 // G4SingleParticleSource source implementatio <<
27 // <<
28 // Author: Fan Lei, QinetiQ ltd. - 05/02/2004 <<
29 // Customer: ESA/ESTEC <<
30 // Revision: Andrea Dotti, SLAC <<
31 // ------------------------------------------- <<
32 26
>> 27 ///////////////////////////////////////////////////////////////////////////////
>> 28 //
>> 29 // MODULE: G4SingleParticleSource.hh
>> 30 //
>> 31 // Version: 1.0
>> 32 // Date: 5/02/04
>> 33 // Author: Fan Lei
>> 34 // Organisation: QinetiQ ltd.
>> 35 // Customer: ESA/ESTEC
>> 36 //
>> 37 ///////////////////////////////////////////////////////////////////////////////
>> 38 //
>> 39 // CHANGE HISTORY
>> 40 // --------------
>> 41 //
>> 42 // Version 1.0, 05/02/2004, Fan Lei, Created.
>> 43 // Based on the G4GeneralParticleSource class in Geant4 v6.0
>> 44 //
>> 45 ///////////////////////////////////////////////////////////////////////////////
>> 46 //
33 #include <cmath> 47 #include <cmath>
34 48
35 #include "G4SingleParticleSource.hh" 49 #include "G4SingleParticleSource.hh"
36 50
37 #include "G4SystemOfUnits.hh" 51 #include "G4SystemOfUnits.hh"
38 #include "G4PrimaryParticle.hh" 52 #include "G4PrimaryParticle.hh"
39 #include "G4Event.hh" 53 #include "G4Event.hh"
40 #include "Randomize.hh" 54 #include "Randomize.hh"
41 #include "G4ParticleTable.hh" 55 #include "G4ParticleTable.hh"
42 #include "G4Geantino.hh" 56 #include "G4Geantino.hh"
43 #include "G4ParticleDefinition.hh" 57 #include "G4ParticleDefinition.hh"
44 #include "G4IonTable.hh" 58 #include "G4IonTable.hh"
45 #include "G4Ions.hh" 59 #include "G4Ions.hh"
46 #include "G4TrackingManager.hh" 60 #include "G4TrackingManager.hh"
47 #include "G4Track.hh" 61 #include "G4Track.hh"
48 #include "G4AutoLock.hh" <<
49 <<
50 G4SingleParticleSource::part_prop_t::part_prop <<
51 { <<
52 momentum_direction = G4ParticleMomentum(1,0, <<
53 energy = 1.*MeV; <<
54 position = G4ThreeVector(); <<
55 } <<
56 62
57 G4SingleParticleSource::G4SingleParticleSource << 63 G4SingleParticleSource::G4SingleParticleSource() {
58 { << 64 // Initialise all variables
59 // Initialise all variables << 65 // Position distribution Variables
60 // Position distribution Variables << 66
61 << 67 NumberOfParticlesToBeGenerated = 1;
62 NumberOfParticlesToBeGenerated = 1; << 68 particle_definition = G4Geantino::GeantinoDefinition();
63 definition = G4Geantino::GeantinoDefinition( << 69 G4ThreeVector zero;
64 << 70 particle_momentum_direction = G4ParticleMomentum(1, 0, 0);
65 charge = 0.0; << 71 particle_energy = 1.0 * MeV;
66 time = 0; << 72 particle_position = zero;
67 polarization = G4ThreeVector(); << 73 particle_time = 0.0;
68 << 74 particle_polarization = zero;
69 biasRndm = new G4SPSRandomGenerator(); << 75 particle_charge = 0.0;
70 posGenerator = new G4SPSPosDistribution(); << 76 particle_weight = 1.0;
71 posGenerator->SetBiasRndm(biasRndm); << 77
72 angGenerator = new G4SPSAngDistribution(); << 78 biasRndm = new G4SPSRandomGenerator();
73 angGenerator->SetPosDistribution(posGenerato << 79 posGenerator = new G4SPSPosDistribution();
74 angGenerator->SetBiasRndm(biasRndm); << 80 posGenerator->SetBiasRndm(biasRndm);
75 eneGenerator = new G4SPSEneDistribution(); << 81 angGenerator = new G4SPSAngDistribution();
76 eneGenerator->SetBiasRndm(biasRndm); << 82 angGenerator->SetPosDistribution(posGenerator);
77 << 83 angGenerator->SetBiasRndm(biasRndm);
78 verbosityLevel = 0; << 84 eneGenerator = new G4SPSEneDistribution();
79 << 85 eneGenerator->SetBiasRndm(biasRndm);
80 G4MUTEXINIT(mutex); << 86
>> 87 // verbosity
>> 88 verbosityLevel = 0;
>> 89
>> 90 }
>> 91
>> 92 G4SingleParticleSource::~G4SingleParticleSource() {
>> 93 delete biasRndm;
>> 94 delete posGenerator;
>> 95 delete angGenerator;
>> 96 delete eneGenerator;
>> 97 }
>> 98
>> 99 void G4SingleParticleSource::SetVerbosity(int vL) {
>> 100 verbosityLevel = vL;
>> 101 posGenerator->SetVerbosity(vL);
>> 102 angGenerator->SetVerbosity(vL);
>> 103 eneGenerator->SetVerbosity(vL);
>> 104 G4cout << "Verbosity Set to: " << verbosityLevel << G4endl;
>> 105 }
>> 106
>> 107 void G4SingleParticleSource::SetParticleDefinition(
>> 108 G4ParticleDefinition* aParticleDefinition) {
>> 109 particle_definition = aParticleDefinition;
>> 110 particle_charge = particle_definition->GetPDGCharge();
>> 111 }
>> 112
>> 113 void G4SingleParticleSource::GeneratePrimaryVertex(G4Event *evt) {
>> 114 if (particle_definition == NULL)
>> 115 return;
>> 116
>> 117 if (verbosityLevel > 1)
>> 118 G4cout << " NumberOfParticlesToBeGenerated: "
>> 119 << NumberOfParticlesToBeGenerated << G4endl;
>> 120
>> 121 // Position stuff
>> 122 particle_position = posGenerator->GenerateOne();
>> 123
>> 124 // create a new vertex
>> 125 G4PrimaryVertex* vertex = new G4PrimaryVertex(particle_position,
>> 126 particle_time);
>> 127
>> 128 for (G4int i = 0; i < NumberOfParticlesToBeGenerated; i++) {
>> 129 // Angular stuff
>> 130 particle_momentum_direction = angGenerator->GenerateOne();
>> 131 // Energy stuff
>> 132 particle_energy = eneGenerator->GenerateOne(particle_definition);
>> 133
>> 134 if (verbosityLevel >= 2)
>> 135 G4cout << "Creating primaries and assigning to vertex" << G4endl;
>> 136 // create new primaries and set them to the vertex
>> 137 G4double mass = particle_definition->GetPDGMass();
>> 138 G4PrimaryParticle* particle =
>> 139 new G4PrimaryParticle(particle_definition);
>> 140 particle->SetKineticEnergy( particle_energy );
>> 141 particle->SetMass( mass );
>> 142 particle->SetMomentumDirection( particle_momentum_direction );
>> 143 particle->SetCharge( particle_charge );
>> 144 particle->SetPolarization(particle_polarization.x(),
>> 145 particle_polarization.y(),
>> 146 particle_polarization.z());
>> 147 if (verbosityLevel > 1) {
>> 148 G4cout << "Particle name: "
>> 149 << particle_definition->GetParticleName() << G4endl;
>> 150 G4cout << " Energy: " << particle_energy << G4endl;
>> 151 G4cout << " Position: " << particle_position << G4endl;
>> 152 G4cout << " Direction: " << particle_momentum_direction
>> 153 << G4endl;
>> 154 }
>> 155 // Set bweight equal to the multiple of all non-zero weights
>> 156 particle_weight = eneGenerator->GetWeight()*biasRndm->GetBiasWeight();
>> 157 // pass it to primary particle
>> 158 particle->SetWeight(particle_weight);
>> 159
>> 160 vertex->SetPrimary(particle);
>> 161
>> 162 }
>> 163 // now pass the weight to the primary vertex. CANNOT be used here!
>> 164 // vertex->SetWeight(particle_weight);
>> 165 evt->AddPrimaryVertex(vertex);
>> 166 if (verbosityLevel > 1)
>> 167 G4cout << " Primary Vetex generated !" << G4endl;
81 } 168 }
82 169
83 G4SingleParticleSource::~G4SingleParticleSourc <<
84 { <<
85 delete biasRndm; <<
86 delete posGenerator; <<
87 delete angGenerator; <<
88 delete eneGenerator; <<
89 <<
90 G4MUTEXDESTROY(mutex); <<
91 } <<
92 <<
93 void G4SingleParticleSource::SetVerbosity(G4in <<
94 { <<
95 G4AutoLock l(&mutex); <<
96 verbosityLevel = vL; <<
97 posGenerator->SetVerbosity(vL); <<
98 angGenerator->SetVerbosity(vL); <<
99 eneGenerator->SetVerbosity(vL); <<
100 } <<
101 <<
102 void G4SingleParticleSource:: <<
103 SetParticleDefinition(G4ParticleDefinition* aP <<
104 { <<
105 definition = aParticleDefinition; <<
106 charge = aParticleDefinition->GetPDGCharge() <<
107 } <<
108 <<
109 void G4SingleParticleSource::GeneratePrimaryVe <<
110 { <<
111 if (definition == nullptr) <<
112 { <<
113 // TODO: Should this rise an exception??? <<
114 return; <<
115 } <<
116 <<
117 if (verbosityLevel > 1) <<
118 { <<
119 G4cout << " NumberOfParticlesToBeGenerated <<
120 << NumberOfParticlesToBeGenerated < <<
121 } <<
122 <<
123 part_prop_t& pp = ParticleProperties.Get(); <<
124 <<
125 // Position stuff <<
126 pp.position = posGenerator->GenerateOne(); <<
127 <<
128 // Create a new vertex <<
129 auto* vertex = new G4PrimaryVertex(pp.positi <<
130 <<
131 for (G4int i=0; i<NumberOfParticlesToBeGener <<
132 { <<
133 // Angular stuff <<
134 pp.momentum_direction = angGenerator->Gene <<
135 <<
136 // Energy stuff <<
137 pp.energy = eneGenerator->GenerateOne(defi <<
138 <<
139 if (verbosityLevel >= 2) <<
140 { <<
141 G4cout << "Creating primaries and assign <<
142 } <<
143 <<
144 // Create new primaries and set them to th <<
145 // <<
146 G4double mass = definition->GetPDGMass(); <<
147 auto* particle = new G4PrimaryParticle(def <<
148 particle->SetKineticEnergy(pp.energy ); <<
149 particle->SetMass( mass ); <<
150 particle->SetMomentumDirection( pp.momentu <<
151 particle->SetCharge( charge ); <<
152 particle->SetPolarization(polarization.x() <<
153 polarization.y() <<
154 polarization.z() <<
155 if (verbosityLevel > 1) <<
156 { <<
157 G4cout << "Particle name: " << definitio <<
158 G4cout << " Energy: " << pp.energy <<
159 G4cout << " Position: " << pp.positi <<
160 G4cout << " Direction: " << pp.moment <<
161 } <<
162 <<
163 // Set bweight equal to the multiple of al <<
164 // <<
165 G4double weight = eneGenerator->GetWeight( <<
166 <<
167 if(eneGenerator->IfApplyEnergyWeight()) <<
168 { <<
169 weight *= eneGenerator->GetArbEneWeight( <<
170 } <<
171 <<
172 // Pass it to primary particle <<
173 // <<
174 particle->SetWeight(weight); <<
175 vertex->SetPrimary(particle); <<
176 } <<
177 <<
178 // Now pass the weight to the primary vertex <<
179 // vertex->SetWeight(particle_weight); <<
180 evt->AddPrimaryVertex(vertex); <<
181 <<
182 if (verbosityLevel > 1) <<
183 { <<
184 G4cout << " Primary Vetex generated !" << <<
185 } <<
186 } <<
187 170