Geant4  9.6.p02
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G4VTransitionRadiation.cc
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27 // $Id$
28 //
29 // G4VTransitionRadiation class -- implementation file
30 
31 // GEANT 4 class implementation file --- Copyright CERN 1995
32 // CERN Geneva Switzerland
33 
34 // History:
35 // 29.02.04 V.Ivanchenko create
36 // 28.07.05, P.Gumplinger add G4ProcessType to constructor
37 
39 #include "G4ParticleDefinition.hh"
40 #include "G4VTRModel.hh"
41 #include "G4Material.hh"
42 #include "G4Region.hh"
44 
46 
48  G4ProcessType type )
49  : G4VDiscreteProcess(processName, type),
50  region(0),
51  model(0),
52  nSteps(0),
53  gammaMin(100),
54  cosDThetaMax(std::cos(0.1))
55 {
56  Clear();
57 }
58 
60 
62 {
63  Clear();
64 }
65 
67 
69 {
70  materials.clear();
71  steps.clear();
72  normals.clear();
73  nSteps = 0;
74 }
75 
77 
79  const G4Track& track,
80  const G4Step& step)
81 {
82 
83  // Fill temporary vectors
84 
85  const G4Material* material = track.GetMaterial();
86  G4double length = step.GetStepLength();
87  G4ThreeVector direction = track.GetMomentumDirection();
88 
89  if(nSteps == 0) {
90 
91  nSteps = 1;
92  materials.push_back(material);
93  steps.push_back(length);
94  const G4StepPoint* point = step.GetPreStepPoint();
95  startingPosition = point->GetPosition();
97  G4bool valid = true;
100  if(valid) normals.push_back(n);
101  else normals.push_back(direction);
102 
103  } else {
104 
105  if(material == materials[nSteps-1]) {
106  steps[nSteps-1] += length;
107  } else {
108  nSteps++;
109  materials.push_back(material);
110  steps.push_back(length);
111  G4bool valid = true;
114  if(valid) normals.push_back(n);
115  else normals.push_back(direction);
116  }
117  }
118 
119  // Check POstStepPoint condition
120 
121  if(track.GetTrackStatus() == fStopAndKill ||
122  track.GetVolume()->GetLogicalVolume()->GetRegion() != region ||
123  startingDirection.x()*direction.x() +
124  startingDirection.y()*direction.y() +
125  startingDirection.z()*direction.z() < cosDThetaMax)
126  {
127  if(model) {
128  model->GenerateSecondaries(*pParticleChange, materials, steps,
129  normals, startingPosition, track);
130  }
131  Clear();
132  }
133 
134  return pParticleChange;
135 }
136 
138 
140  const G4ParticleDefinition& aParticle)
141 {
142  return ( aParticle.GetPDGCharge() != 0.0 );
143 }
144 
146 
147 
149 {
150  region = reg;
151 }
152 
154 
156 {
157  model = mod;
158 }
159 
161 
163 {
164  if(model) model->PrintInfo();
165 }
166