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25 // 25 //
>> 26 //
>> 27 //
>> 28 // G4VTransitionRadiation class -- implementation file
26 29
27 // GEANT 4 class implementation file --- Copyr 30 // GEANT 4 class implementation file --- Copyright CERN 1995
>> 31 // CERN Geneva Switzerland
28 32
29 // History: 33 // History:
30 // 29.02.04 V.Ivanchenko create 34 // 29.02.04 V.Ivanchenko create
31 // 28.07.05, P.Gumplinger add G4ProcessType to 35 // 28.07.05, P.Gumplinger add G4ProcessType to constructor
32 36
33 #include "G4VTransitionRadiation.hh" 37 #include "G4VTransitionRadiation.hh"
34 <<
35 #include "G4EmProcessSubType.hh" <<
36 #include "G4LossTableManager.hh" <<
37 #include "G4Material.hh" <<
38 #include "G4ParticleDefinition.hh" 38 #include "G4ParticleDefinition.hh"
>> 39 #include "G4VTRModel.hh"
>> 40 #include "G4Material.hh"
39 #include "G4Region.hh" 41 #include "G4Region.hh"
40 #include "G4TransportationManager.hh" 42 #include "G4TransportationManager.hh"
41 #include "G4VTRModel.hh" << 43 #include "G4EmProcessSubType.hh"
>> 44 #include "G4LossTableManager.hh"
42 45
43 ////////////////////////////////////////////// 46 ///////////////////////////////////////////////////////////////////////
44 G4VTransitionRadiation::G4VTransitionRadiation << 47
45 << 48 G4VTransitionRadiation::G4VTransitionRadiation( const G4String& processName,
46 : G4VDiscreteProcess(processName, type) << 49 G4ProcessType type )
47 , region(nullptr) << 50 : G4VDiscreteProcess(processName, type),
48 , model(nullptr) << 51 region(nullptr),
49 , gammaMin(100.) << 52 model(nullptr),
50 , cosDThetaMax(std::cos(0.1)) << 53 nSteps(0),
51 , nSteps(0) << 54 gammaMin(100.),
>> 55 cosDThetaMax(std::cos(0.1))
52 { 56 {
53 SetProcessSubType(fTransitionRadiation); 57 SetProcessSubType(fTransitionRadiation);
54 Clear(); 58 Clear();
55 theManager = G4LossTableManager::Instance(); 59 theManager = G4LossTableManager::Instance();
56 theManager->Register(this); 60 theManager->Register(this);
57 } 61 }
58 62
59 ////////////////////////////////////////////// 63 ///////////////////////////////////////////////////////////////////////
>> 64
60 G4VTransitionRadiation::~G4VTransitionRadiatio 65 G4VTransitionRadiation::~G4VTransitionRadiation()
61 { 66 {
62 Clear(); 67 Clear();
63 theManager->DeRegister(this); 68 theManager->DeRegister(this);
64 } 69 }
65 70
66 void G4VTransitionRadiation::ProcessDescriptio <<
67 { <<
68 out << "Generic process of transition radiat <<
69 <<
70 if(model) <<
71 model->PrintInfo(); <<
72 } <<
73 <<
74 ////////////////////////////////////////////// 71 ///////////////////////////////////////////////////////////////////////
>> 72
75 void G4VTransitionRadiation::Clear() 73 void G4VTransitionRadiation::Clear()
76 { 74 {
77 materials.clear(); 75 materials.clear();
78 steps.clear(); 76 steps.clear();
79 normals.clear(); 77 normals.clear();
80 nSteps = 0; 78 nSteps = 0;
81 } 79 }
82 80
83 ////////////////////////////////////////////// 81 ///////////////////////////////////////////////////////////////////////
84 G4VParticleChange* G4VTransitionRadiation::Pos << 82
85 << 83 G4VParticleChange* G4VTransitionRadiation::PostStepDoIt(
>> 84 const G4Track& track,
>> 85 const G4Step& step)
86 { 86 {
>> 87
87 // Fill temporary vectors 88 // Fill temporary vectors
>> 89
88 const G4Material* material = track.GetMateri 90 const G4Material* material = track.GetMaterial();
89 G4double length = step.GetStepLen << 91 G4double length = step.GetStepLength();
90 G4ThreeVector direction = track.GetMoment << 92 G4ThreeVector direction = track.GetMomentumDirection();
>> 93
>> 94 if(nSteps == 0) {
91 95
92 if(nSteps == 0) <<
93 { <<
94 nSteps = 1; 96 nSteps = 1;
95 materials.push_back(material); 97 materials.push_back(material);
96 steps.push_back(length); 98 steps.push_back(length);
97 const G4StepPoint* point = step.GetPreStep 99 const G4StepPoint* point = step.GetPreStepPoint();
98 startingPosition = point->GetPosit << 100 startingPosition = point->GetPosition();
99 startingDirection = point->GetMomen << 101 startingDirection = point->GetMomentumDirection();
100 G4bool valid = true; << 102 G4bool valid = true;
101 G4ThreeVector n = G4TransportationManager: 103 G4ThreeVector n = G4TransportationManager::GetTransportationManager()
102 ->GetNavigatorForTrack << 104 ->GetNavigatorForTracking()->GetLocalExitNormal(&valid);
103 ->GetLocalExitNormal(& << 105 if(valid) normals.push_back(n);
104 if(valid) << 106 else normals.push_back(direction);
105 normals.push_back(n); << 107
106 else << 108 } else {
107 normals.push_back(direction); << 109
108 } << 110 if(material == materials[nSteps-1]) {
109 else << 111 steps[nSteps-1] += length;
110 { << 112 } else {
111 if(material == materials[nSteps - 1]) << 113 nSteps++;
112 { <<
113 steps[nSteps - 1] += length; <<
114 } <<
115 else <<
116 { <<
117 ++nSteps; <<
118 materials.push_back(material); 114 materials.push_back(material);
119 steps.push_back(length); 115 steps.push_back(length);
120 G4bool valid = true; << 116 G4bool valid = true;
121 G4ThreeVector n = G4TransportationManage 117 G4ThreeVector n = G4TransportationManager::GetTransportationManager()
122 ->GetNavigatorForTra << 118 ->GetNavigatorForTracking()->GetLocalExitNormal(&valid);
123 ->GetLocalExitNormal << 119 if(valid) normals.push_back(n);
124 if(valid) << 120 else normals.push_back(direction);
125 normals.push_back(n); <<
126 else <<
127 normals.push_back(direction); <<
128 } 121 }
129 } 122 }
130 123
131 // Check PostStepPoint condition << 124 // Check POstStepPoint condition
>> 125
132 if(track.GetTrackStatus() == fStopAndKill || 126 if(track.GetTrackStatus() == fStopAndKill ||
133 track.GetVolume()->GetLogicalVolume()->Ge 127 track.GetVolume()->GetLogicalVolume()->GetRegion() != region ||
134 startingDirection.x() * direction.x() + << 128 startingDirection.x()*direction.x() +
135 startingDirection.y() * direction.y() << 129 startingDirection.y()*direction.y() +
136 startingDirection.z() * direction.z() << 130 startingDirection.z()*direction.z() < cosDThetaMax)
137 cosDThetaMax) <<
138 { 131 {
139 if(model) << 132 if(model) {
140 { << 133 model->GenerateSecondaries(*pParticleChange, materials, steps,
141 model->GenerateSecondaries(*pParticleCha << 134 normals, startingPosition, track);
142 startingPosit << 135 }
143 } << 136 Clear();
144 Clear(); <<
145 } 137 }
146 138
147 return pParticleChange; 139 return pParticleChange;
148 } 140 }
149 141
150 ////////////////////////////////////////////// 142 ///////////////////////////////////////////////////////////////////////
>> 143
151 G4bool G4VTransitionRadiation::IsApplicable( 144 G4bool G4VTransitionRadiation::IsApplicable(
152 const G4ParticleDefinition& aParticle) << 145 const G4ParticleDefinition& aParticle)
153 { 146 {
154 return (aParticle.GetPDGCharge() != 0.0); << 147 return ( aParticle.GetPDGCharge() != 0.0 );
155 } 148 }
156 149
157 ////////////////////////////////////////////// 150 ///////////////////////////////////////////////////////////////////////
158 void G4VTransitionRadiation::SetRegion(const G << 151
>> 152
>> 153 void G4VTransitionRadiation::SetRegion(const G4Region* reg)
>> 154 {
>> 155 region = reg;
>> 156 }
>> 157
>> 158 ///////////////////////////////////////////////////////////////////////
>> 159
>> 160 void G4VTransitionRadiation::SetModel(G4VTRModel* mod)
>> 161 {
>> 162 model = mod;
>> 163 }
159 164
160 ////////////////////////////////////////////// 165 ///////////////////////////////////////////////////////////////////////
161 void G4VTransitionRadiation::SetModel(G4VTRMod << 166
>> 167 void G4VTransitionRadiation::PrintInfoDefinition()
>> 168 {
>> 169 if(model) model->PrintInfo();
>> 170 }
162 171
163 ////////////////////////////////////////////// 172 ///////////////////////////////////////////////////////////////////////
164 G4double G4VTransitionRadiation::GetMeanFreePa << 173
165 << 174 G4double G4VTransitionRadiation::GetMeanFreePath(
>> 175 const G4Track& track, G4double,
>> 176 G4ForceCondition* condition)
166 { 177 {
167 if(nSteps > 0) << 178 if(nSteps > 0) {
168 { <<
169 *condition = StronglyForced; 179 *condition = StronglyForced;
170 } << 180 } else {
171 else <<
172 { <<
173 *condition = NotForced; 181 *condition = NotForced;
174 if(track.GetKineticEnergy() / track.GetDef << 182 if(track.GetKineticEnergy()/track.GetDefinition()->GetPDGMass() + 1.0 > gammaMin &&
175 gammaMin && << 183 track.GetVolume()->GetLogicalVolume()->GetRegion() == region) {
176 track.GetVolume()->GetLogicalVolume()-> << 184 *condition = StronglyForced;
177 { <<
178 *condition = StronglyForced; <<
179 } 185 }
180 } 186 }
181 return DBL_MAX; // so TR doesn't limit mean << 187 return DBL_MAX; // so TR doesn't limit mean free path
182 } 188 }
>> 189
>> 190 ///////////////////////////////////////////////////////////////////////
183 191