1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | //--------------------------------------------------------------------------- |
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28 | // |
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29 | // ClassName: G4OpticalPhysics |
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30 | // |
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31 | // Author: P.Gumplinger 30.09.2009 |
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32 | // |
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33 | // Modified: |
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34 | // |
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35 | //---------------------------------------------------------------------------- |
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36 | // |
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37 | |
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38 | #include "G4OpticalPhysics.hh" |
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39 | |
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40 | #include "G4LossTableManager.hh" |
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41 | #include "G4EmSaturation.hh" |
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42 | |
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43 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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44 | |
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45 | G4OpticalPhysics::G4OpticalPhysics(G4int verbose, const G4String& name) |
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46 | : G4VPhysicsConstructor(name), |
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47 | wasActivated(false), |
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48 | |
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49 | fScintillationProcess(0), |
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50 | fCerenkovProcess(0), |
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51 | fOpWLSProcess(0), |
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52 | fOpAbsorptionProcess(0), |
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53 | fOpRayleighScatteringProcess(0), |
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54 | fOpBoundaryProcess(0), |
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55 | fMaxNumPhotons(100), |
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56 | fMaxBetaChange(10.0), |
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57 | fYieldFactor(1.), |
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58 | fExcitationRatio(0.0), |
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59 | fSurfaceModel(unified), |
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60 | fProfile("delta"), |
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61 | fTrackSecondariesFirst(true) |
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62 | { |
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63 | verboseLevel = verbose; |
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64 | fMessenger = new G4OpticalPhysicsMessenger(this); |
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65 | } |
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66 | |
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67 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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68 | |
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69 | G4OpticalPhysics::~G4OpticalPhysics() |
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70 | { |
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71 | delete fMessenger; |
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72 | |
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73 | if (wasActivated) { |
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74 | |
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75 | delete fScintillationProcess; |
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76 | delete fCerenkovProcess; |
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77 | delete fOpWLSProcess; |
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78 | |
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79 | delete fOpAbsorptionProcess; |
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80 | delete fOpRayleighScatteringProcess; |
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81 | delete fOpBoundaryProcess; |
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82 | |
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83 | } |
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84 | } |
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85 | |
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86 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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87 | |
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88 | #include "G4OpticalPhoton.hh" |
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89 | |
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90 | void G4OpticalPhysics::ConstructParticle() |
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91 | { |
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92 | /// Instantiate particles. |
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93 | |
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94 | // optical photon |
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95 | G4OpticalPhoton::OpticalPhotonDefinition(); |
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96 | } |
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97 | |
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98 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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99 | |
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100 | #include "G4ParticleDefinition.hh" |
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101 | #include "G4ProcessManager.hh" |
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102 | |
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103 | void G4OpticalPhysics::ConstructProcess() |
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104 | { |
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105 | // Construct optical processes. |
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106 | |
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107 | if (wasActivated) return; |
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108 | |
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109 | if(verboseLevel>0) |
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110 | G4cout <<"G4OpticalPhysics:: Add Optical Physics Processes"<< G4endl; |
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111 | |
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112 | // Add Optical Processes |
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113 | |
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114 | fOpAbsorptionProcess = new G4OpAbsorption(); |
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115 | fOpRayleighScatteringProcess = new G4OpRayleigh(); |
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116 | |
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117 | fOpBoundaryProcess = new G4OpBoundaryProcess(); |
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118 | fOpBoundaryProcess->SetModel(fSurfaceModel); |
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119 | |
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120 | fOpWLSProcess = new G4OpWLS(); |
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121 | fOpWLSProcess->UseTimeProfile(fProfile); |
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122 | |
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123 | G4ProcessManager * pManager = 0; |
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124 | pManager = G4OpticalPhoton::OpticalPhoton()->GetProcessManager(); |
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125 | |
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126 | if (!pManager) { |
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127 | std::ostringstream o; |
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128 | o << "Optical Photon without a Process Manager"; |
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129 | G4Exception("G4OpticalPhysics::ConstructProcess()","", |
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130 | FatalException,o.str().c_str()); |
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131 | } |
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132 | |
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133 | pManager->AddDiscreteProcess(fOpAbsorptionProcess); |
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134 | pManager->AddDiscreteProcess(fOpRayleighScatteringProcess); |
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135 | pManager->AddDiscreteProcess(fOpBoundaryProcess); |
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136 | pManager->AddDiscreteProcess(fOpWLSProcess); |
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137 | |
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138 | fScintillationProcess = new G4Scintillation(); |
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139 | fScintillationProcess->SetScintillationYieldFactor(fYieldFactor); |
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140 | fScintillationProcess->SetScintillationExcitationRatio(fExcitationRatio); |
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141 | fScintillationProcess->SetTrackSecondariesFirst(fTrackSecondariesFirst); |
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142 | |
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143 | // Use Birks Correction in the Scintillation process |
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144 | |
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145 | G4EmSaturation* emSaturation = G4LossTableManager::Instance()->EmSaturation(); |
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146 | fScintillationProcess->AddSaturation(emSaturation); |
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147 | |
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148 | fCerenkovProcess = new G4Cerenkov(); |
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149 | fCerenkovProcess->SetMaxNumPhotonsPerStep(fMaxNumPhotons); |
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150 | fCerenkovProcess->SetMaxBetaChangePerStep(fMaxBetaChange); |
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151 | fCerenkovProcess->SetTrackSecondariesFirst(fTrackSecondariesFirst); |
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152 | |
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153 | theParticleIterator->reset(); |
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154 | |
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155 | while( (*theParticleIterator)() ){ |
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156 | |
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157 | G4ParticleDefinition* particle = theParticleIterator->value(); |
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158 | G4String particleName = particle->GetParticleName(); |
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159 | |
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160 | pManager = particle->GetProcessManager(); |
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161 | if (!pManager) { |
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162 | std::ostringstream o; |
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163 | o << "Particle " << particleName << "without a Process Manager"; |
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164 | G4Exception("G4OpticalPhysics::ConstructProcess()","", |
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165 | FatalException,o.str().c_str()); |
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166 | } |
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167 | |
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168 | if(fCerenkovProcess->IsApplicable(*particle)){ |
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169 | pManager->AddProcess(fCerenkovProcess); |
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170 | pManager->SetProcessOrdering(fCerenkovProcess,idxPostStep); |
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171 | } |
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172 | if(fScintillationProcess->IsApplicable(*particle)){ |
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173 | pManager->AddProcess(fScintillationProcess); |
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174 | pManager->SetProcessOrderingToLast(fScintillationProcess,idxAtRest); |
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175 | pManager->SetProcessOrderingToLast(fScintillationProcess,idxPostStep); |
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176 | } |
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177 | |
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178 | } |
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179 | |
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180 | wasActivated = true; |
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181 | |
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182 | } |
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183 | |
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184 | void G4OpticalPhysics::SetScintillationYieldFactor(G4double yieldFactor) |
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185 | { |
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186 | /// Set the scintillation yield factor |
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187 | |
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188 | fYieldFactor = yieldFactor; |
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189 | |
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190 | if(fScintillationProcess) |
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191 | fScintillationProcess->SetScintillationYieldFactor(yieldFactor); |
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192 | } |
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193 | |
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194 | void G4OpticalPhysics::SetScintillationExcitationRatio(G4double excitationRatio) |
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195 | { |
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196 | /// Set the scintillation excitation ratio |
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197 | |
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198 | fExcitationRatio = excitationRatio; |
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199 | |
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200 | if(fScintillationProcess) |
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201 | fScintillationProcess->SetScintillationExcitationRatio(excitationRatio); |
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202 | } |
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203 | |
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204 | void G4OpticalPhysics::SetMaxNumPhotonsPerStep(G4int maxNumPhotons) |
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205 | { |
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206 | /// Limit step to the specified maximum number of Cherenkov photons |
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207 | |
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208 | fMaxNumPhotons = maxNumPhotons; |
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209 | |
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210 | if(fCerenkovProcess) |
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211 | fCerenkovProcess->SetMaxNumPhotonsPerStep(maxNumPhotons); |
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212 | } |
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213 | |
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214 | void G4OpticalPhysics::SetMaxBetaChangePerStep(G4double maxBetaChange) |
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215 | { |
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216 | /// Limit step to the specified maximum change of beta of the parent particle |
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217 | |
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218 | fMaxBetaChange = maxBetaChange; |
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219 | |
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220 | if(fCerenkovProcess) |
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221 | fCerenkovProcess->SetMaxBetaChangePerStep(maxBetaChange); |
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222 | } |
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223 | |
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224 | void G4OpticalPhysics::SetOpticalSurfaceModel(G4OpticalSurfaceModel model) |
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225 | { |
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226 | /// Set optical surface model (glisur or unified) |
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227 | |
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228 | fSurfaceModel = model; |
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229 | |
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230 | if(fOpBoundaryProcess) |
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231 | fOpBoundaryProcess->SetModel(model); |
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232 | } |
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233 | |
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234 | void G4OpticalPhysics::SetWLSTimeProfile(G4String profile) |
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235 | { |
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236 | /// Set the WLS time profile (delta or exponential) |
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237 | |
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238 | fProfile = profile; |
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239 | |
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240 | if(fOpWLSProcess) |
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241 | fOpWLSProcess->UseTimeProfile(fProfile); |
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242 | } |
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243 | |
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244 | void G4OpticalPhysics::AddScintillationSaturation(G4EmSaturation* saturation) |
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245 | { |
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246 | /// Adds Birks Saturation to the G4Scintillation Process |
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247 | |
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248 | if(fScintillationProcess) |
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249 | fScintillationProcess->AddSaturation(saturation); |
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250 | } |
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251 | |
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252 | void G4OpticalPhysics::SetTrackSecondariesFirst(G4bool trackSecondariesFirst) |
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253 | { |
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254 | fTrackSecondariesFirst = trackSecondariesFirst; |
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255 | |
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256 | if ( fCerenkovProcess ) |
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257 | fCerenkovProcess->SetTrackSecondariesFirst(trackSecondariesFirst); |
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258 | |
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259 | if ( fScintillationProcess ) |
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260 | fScintillationProcess->SetTrackSecondariesFirst(trackSecondariesFirst); |
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261 | |
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262 | } |
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263 | |
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264 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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