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25 // 25 //
>> 26 //
>> 27 // $Id: G4VTransitionRadiation.cc 108508 2018-02-15 15:54:35Z gcosmo $
>> 28 //
>> 29 // G4VTransitionRadiation class -- implementation file
26 30
27 // GEANT 4 class implementation file --- Copyr 31 // GEANT 4 class implementation file --- Copyright CERN 1995
>> 32 // CERN Geneva Switzerland
28 33
29 // History: 34 // History:
30 // 29.02.04 V.Ivanchenko create 35 // 29.02.04 V.Ivanchenko create
31 // 28.07.05, P.Gumplinger add G4ProcessType to 36 // 28.07.05, P.Gumplinger add G4ProcessType to constructor
32 37
33 #include "G4VTransitionRadiation.hh" 38 #include "G4VTransitionRadiation.hh"
34 <<
35 #include "G4EmProcessSubType.hh" <<
36 #include "G4LossTableManager.hh" <<
37 #include "G4Material.hh" <<
38 #include "G4ParticleDefinition.hh" 39 #include "G4ParticleDefinition.hh"
>> 40 #include "G4VTRModel.hh"
>> 41 #include "G4Material.hh"
39 #include "G4Region.hh" 42 #include "G4Region.hh"
40 #include "G4TransportationManager.hh" 43 #include "G4TransportationManager.hh"
41 #include "G4VTRModel.hh" << 44 #include "G4EmProcessSubType.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(); <<
56 theManager->Register(this); <<
57 } 59 }
58 60
59 ////////////////////////////////////////////// 61 ///////////////////////////////////////////////////////////////////////
>> 62
60 G4VTransitionRadiation::~G4VTransitionRadiatio 63 G4VTransitionRadiation::~G4VTransitionRadiation()
61 { 64 {
62 Clear(); 65 Clear();
63 theManager->DeRegister(this); <<
64 } <<
65 <<
66 void G4VTransitionRadiation::ProcessDescriptio <<
67 { <<
68 out << "Generic process of transition radiat <<
69 <<
70 if(model) <<
71 model->PrintInfo(); <<
72 } 66 }
73 67
74 ////////////////////////////////////////////// 68 ///////////////////////////////////////////////////////////////////////
>> 69
75 void G4VTransitionRadiation::Clear() 70 void G4VTransitionRadiation::Clear()
76 { 71 {
77 materials.clear(); 72 materials.clear();
78 steps.clear(); 73 steps.clear();
79 normals.clear(); 74 normals.clear();
80 nSteps = 0; 75 nSteps = 0;
81 } 76 }
82 77
83 ////////////////////////////////////////////// 78 ///////////////////////////////////////////////////////////////////////
84 G4VParticleChange* G4VTransitionRadiation::Pos << 79
85 << 80 G4VParticleChange* G4VTransitionRadiation::PostStepDoIt(
>> 81 const G4Track& track,
>> 82 const G4Step& step)
86 { 83 {
>> 84
87 // Fill temporary vectors 85 // Fill temporary vectors
>> 86
88 const G4Material* material = track.GetMateri 87 const G4Material* material = track.GetMaterial();
89 G4double length = step.GetStepLen << 88 G4double length = step.GetStepLength();
90 G4ThreeVector direction = track.GetMoment << 89 G4ThreeVector direction = track.GetMomentumDirection();
>> 90
>> 91 if(nSteps == 0) {
91 92
92 if(nSteps == 0) <<
93 { <<
94 nSteps = 1; 93 nSteps = 1;
95 materials.push_back(material); 94 materials.push_back(material);
96 steps.push_back(length); 95 steps.push_back(length);
97 const G4StepPoint* point = step.GetPreStep 96 const G4StepPoint* point = step.GetPreStepPoint();
98 startingPosition = point->GetPosit << 97 startingPosition = point->GetPosition();
99 startingDirection = point->GetMomen << 98 startingDirection = point->GetMomentumDirection();
100 G4bool valid = true; << 99 G4bool valid = true;
101 G4ThreeVector n = G4TransportationManager: 100 G4ThreeVector n = G4TransportationManager::GetTransportationManager()
102 ->GetNavigatorForTrack << 101 ->GetNavigatorForTracking()->GetLocalExitNormal(&valid);
103 ->GetLocalExitNormal(& << 102 if(valid) normals.push_back(n);
104 if(valid) << 103 else normals.push_back(direction);
105 normals.push_back(n); << 104
106 else << 105 } else {
107 normals.push_back(direction); << 106
108 } << 107 if(material == materials[nSteps-1]) {
109 else << 108 steps[nSteps-1] += length;
110 { << 109 } else {
111 if(material == materials[nSteps - 1]) << 110 nSteps++;
112 { <<
113 steps[nSteps - 1] += length; <<
114 } <<
115 else <<
116 { <<
117 ++nSteps; <<
118 materials.push_back(material); 111 materials.push_back(material);
119 steps.push_back(length); 112 steps.push_back(length);
120 G4bool valid = true; << 113 G4bool valid = true;
121 G4ThreeVector n = G4TransportationManage 114 G4ThreeVector n = G4TransportationManager::GetTransportationManager()
122 ->GetNavigatorForTra << 115 ->GetNavigatorForTracking()->GetLocalExitNormal(&valid);
123 ->GetLocalExitNormal << 116 if(valid) normals.push_back(n);
124 if(valid) << 117 else normals.push_back(direction);
125 normals.push_back(n); <<
126 else <<
127 normals.push_back(direction); <<
128 } 118 }
129 } 119 }
130 120
131 // Check PostStepPoint condition << 121 // Check POstStepPoint condition
>> 122
132 if(track.GetTrackStatus() == fStopAndKill || 123 if(track.GetTrackStatus() == fStopAndKill ||
133 track.GetVolume()->GetLogicalVolume()->Ge 124 track.GetVolume()->GetLogicalVolume()->GetRegion() != region ||
134 startingDirection.x() * direction.x() + << 125 startingDirection.x()*direction.x() +
135 startingDirection.y() * direction.y() << 126 startingDirection.y()*direction.y() +
136 startingDirection.z() * direction.z() << 127 startingDirection.z()*direction.z() < cosDThetaMax)
137 cosDThetaMax) <<
138 { 128 {
139 if(model) << 129 if(model) {
140 { << 130 model->GenerateSecondaries(*pParticleChange, materials, steps,
141 model->GenerateSecondaries(*pParticleCha << 131 normals, startingPosition, track);
142 startingPosit << 132 }
143 } << 133 Clear();
144 Clear(); <<
145 } 134 }
146 135
147 return pParticleChange; 136 return pParticleChange;
148 } 137 }
149 138
150 ////////////////////////////////////////////// 139 ///////////////////////////////////////////////////////////////////////
>> 140
151 G4bool G4VTransitionRadiation::IsApplicable( 141 G4bool G4VTransitionRadiation::IsApplicable(
152 const G4ParticleDefinition& aParticle) << 142 const G4ParticleDefinition& aParticle)
153 { 143 {
154 return (aParticle.GetPDGCharge() != 0.0); << 144 return ( aParticle.GetPDGCharge() != 0.0 );
155 } 145 }
156 146
157 ////////////////////////////////////////////// 147 ///////////////////////////////////////////////////////////////////////
158 void G4VTransitionRadiation::SetRegion(const G << 148
>> 149
>> 150 void G4VTransitionRadiation::SetRegion(const G4Region* reg)
>> 151 {
>> 152 region = reg;
>> 153 }
159 154
160 ////////////////////////////////////////////// 155 ///////////////////////////////////////////////////////////////////////
161 void G4VTransitionRadiation::SetModel(G4VTRMod << 156
>> 157 void G4VTransitionRadiation::SetModel(G4VTRModel* mod)
>> 158 {
>> 159 model = mod;
>> 160 }
162 161
163 ////////////////////////////////////////////// 162 ///////////////////////////////////////////////////////////////////////
164 G4double G4VTransitionRadiation::GetMeanFreePa << 163
165 << 164 void G4VTransitionRadiation::PrintInfoDefinition()
166 { 165 {
167 if(nSteps > 0) << 166 if(model) model->PrintInfo();
168 { << 167 }
>> 168
>> 169 ///////////////////////////////////////////////////////////////////////
>> 170
>> 171 G4double G4VTransitionRadiation::GetMeanFreePath(
>> 172 const G4Track& track, G4double,
>> 173 G4ForceCondition* condition)
>> 174 {
>> 175 if(nSteps > 0) {
169 *condition = StronglyForced; 176 *condition = StronglyForced;
170 } << 177 } else {
171 else <<
172 { <<
173 *condition = NotForced; 178 *condition = NotForced;
174 if(track.GetKineticEnergy() / track.GetDef << 179 if(track.GetKineticEnergy()/track.GetDefinition()->GetPDGMass() + 1.0 > gammaMin &&
175 gammaMin && << 180 track.GetVolume()->GetLogicalVolume()->GetRegion() == region) {
176 track.GetVolume()->GetLogicalVolume()-> << 181 *condition = StronglyForced;
177 { <<
178 *condition = StronglyForced; <<
179 } 182 }
180 } 183 }
181 return DBL_MAX; // so TR doesn't limit mean << 184 return DBL_MAX; // so TR doesn't limit mean free path
182 } 185 }
>> 186
>> 187 ///////////////////////////////////////////////////////////////////////
183 188