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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7 | // * conditions of the Geant4 Software License, included in the file * |
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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 | // $Id: G4EmModelManager.cc,v 1.49 2009/04/17 10:35:32 vnivanch Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03-beta-cand-01 $ |
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28 | // |
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29 | // ------------------------------------------------------------------- |
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30 | // |
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31 | // GEANT4 Class file |
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32 | // |
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33 | // |
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34 | // File name: G4EmModelManager |
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35 | // |
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36 | // Author: Vladimir Ivanchenko |
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37 | // |
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38 | // Creation date: 07.05.2002 |
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39 | // |
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40 | // Modifications: |
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41 | // |
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42 | // 23-12-02 V.Ivanchenko change interface in order to move |
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43 | // to cut per region |
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44 | // 20-01-03 Migrade to cut per region (V.Ivanchenko) |
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45 | // 24-01-03 Make models region aware (V.Ivanchenko) |
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46 | // 13-02-03 The set of models is defined for region (V.Ivanchenko) |
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47 | // 06-03-03 Fix in energy intervals for models (V.Ivanchenko) |
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48 | // 13-04-03 Add startFromNull (V.Ivanchenko) |
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49 | // 13-05-03 Add calculation of precise range (V.Ivanchenko) |
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50 | // 16-07-03 Replace G4Material by G4MaterialCutCouple in dE/dx and CrossSection |
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51 | // calculation (V.Ivanchenko) |
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52 | // 21-07-03 Add UpdateEmModel method (V.Ivanchenko) |
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53 | // 03-11-03 Substitute STL vector for G4RegionModels (V.Ivanchenko) |
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54 | // 26-01-04 Fix in energy range conditions (V.Ivanchenko) |
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55 | // 24-03-05 Remove check or IsInCharge (V.Ivanchenko) |
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56 | // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko) |
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57 | // 18-08-05 Fix cut for e+e- pair production (V.Ivanchenko) |
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58 | // 29-11-05 Add protection for arithmetic operations with cut=DBL_MAX (V.Ivanchenko) |
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59 | // 20-01-06 Introduce G4EmTableType and reducing number of methods (VI) |
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60 | // 13-05-06 Add GetModel by index method (VI) |
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61 | // 15-03-07 Add maxCutInRange (V.Ivanchenko) |
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62 | // 12-04-07 Add verbosity at destruction (V.Ivanchenko) |
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63 | // 08-04-08 Fixed and simplified initialisation of G4RegionModel (VI) |
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64 | // |
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65 | // Class Description: |
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66 | // |
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67 | // It is the unified energy loss process it calculates the continuous |
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68 | // energy loss for charged particles using a set of Energy Loss |
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69 | // models valid for different energy regions. There are a possibility |
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70 | // to create and access to dE/dx and range tables, or to calculate |
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71 | // that information on fly. |
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72 | // ------------------------------------------------------------------- |
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73 | // |
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74 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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75 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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76 | |
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77 | #include "G4EmModelManager.hh" |
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78 | |
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79 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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80 | |
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81 | G4RegionModels::G4RegionModels(G4int nMod, std::vector<G4int>& indx, |
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82 | G4DataVector& lowE, const G4Region* reg) |
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83 | { |
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84 | nModelsForRegion = nMod; |
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85 | theListOfModelIndexes = new G4int [nModelsForRegion]; |
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86 | lowKineticEnergy = new G4double [nModelsForRegion+1]; |
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87 | for (G4int i=0; i<nModelsForRegion; i++) { |
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88 | theListOfModelIndexes[i] = indx[i]; |
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89 | lowKineticEnergy[i] = lowE[i]; |
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90 | } |
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91 | lowKineticEnergy[nModelsForRegion] = lowE[nModelsForRegion]; |
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92 | theRegion = reg; |
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93 | } |
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94 | |
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95 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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96 | |
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97 | G4RegionModels::~G4RegionModels() |
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98 | { |
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99 | delete [] theListOfModelIndexes; |
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100 | delete [] lowKineticEnergy; |
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101 | } |
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102 | |
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103 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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104 | |
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105 | #include "G4Step.hh" |
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106 | #include "G4ParticleDefinition.hh" |
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107 | #include "G4PhysicsVector.hh" |
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108 | #include "G4Gamma.hh" |
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109 | #include "G4Positron.hh" |
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110 | #include "G4MaterialCutsCouple.hh" |
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111 | #include "G4ProductionCutsTable.hh" |
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112 | #include "G4RegionStore.hh" |
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113 | #include "G4Gamma.hh" |
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114 | #include "G4Positron.hh" |
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115 | #include "G4UnitsTable.hh" |
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116 | |
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117 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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118 | |
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119 | G4EmModelManager::G4EmModelManager(): |
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120 | nEmModels(0), |
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121 | nRegions(0), |
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122 | nCouples(0), |
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123 | idxOfRegionModels(0), |
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124 | setOfRegionModels(0), |
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125 | minSubRange(0.1), |
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126 | particle(0), |
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127 | verboseLevel(0) |
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128 | { |
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129 | models.clear(); |
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130 | flucModels.clear(); |
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131 | regions.clear(); |
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132 | orderOfModels.clear(); |
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133 | maxCutInRange = 12.*cm; |
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134 | maxSubCutInRange = 0.7*mm; |
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135 | theGamma = G4Gamma::Gamma(); |
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136 | thePositron = G4Positron::Positron(); |
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137 | models.reserve(4); |
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138 | flucModels.reserve(4); |
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139 | regions.reserve(4); |
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140 | orderOfModels.reserve(4); |
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141 | isUsed.reserve(4); |
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142 | } |
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143 | |
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144 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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145 | |
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146 | G4EmModelManager::~G4EmModelManager() |
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147 | { |
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148 | Clear(); |
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149 | } |
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150 | |
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151 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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152 | |
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153 | void G4EmModelManager::Clear() |
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154 | { |
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155 | if(1 < verboseLevel) { |
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156 | G4cout << "G4EmModelManager::Clear()" << G4endl; |
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157 | } |
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158 | |
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159 | theCuts.clear(); |
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160 | theSubCuts.clear(); |
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161 | if(idxOfRegionModels) delete [] idxOfRegionModels; |
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162 | if(setOfRegionModels && nRegions) { |
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163 | for(G4int i=0; i<nRegions; i++) { |
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164 | delete (setOfRegionModels[i]); |
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165 | } |
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166 | delete [] setOfRegionModels; |
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167 | } |
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168 | idxOfRegionModels = 0; |
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169 | setOfRegionModels = 0; |
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170 | } |
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171 | |
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172 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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173 | |
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174 | void G4EmModelManager::AddEmModel(G4int num, G4VEmModel* p, |
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175 | G4VEmFluctuationModel* fm, const G4Region* r) |
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176 | { |
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177 | if(!p) { |
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178 | G4cout << "G4EmModelManager::AddEmModel WARNING: no model defined." |
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179 | << G4endl; |
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180 | return; |
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181 | } |
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182 | models.push_back(p); |
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183 | flucModels.push_back(fm); |
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184 | regions.push_back(r); |
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185 | orderOfModels.push_back(num); |
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186 | isUsed.push_back(0); |
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187 | p->DefineForRegion(r); |
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188 | nEmModels++; |
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189 | } |
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190 | |
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191 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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192 | |
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193 | void G4EmModelManager::UpdateEmModel(const G4String& nam, |
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194 | G4double emin, G4double emax) |
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195 | { |
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196 | if (nEmModels > 0) { |
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197 | for(G4int i=0; i<nEmModels; i++) { |
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198 | if(nam == models[i]->GetName()) { |
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199 | models[i]->SetLowEnergyLimit(emin); |
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200 | models[i]->SetHighEnergyLimit(emax); |
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201 | break; |
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202 | } |
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203 | } |
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204 | } |
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205 | G4cout << "G4EmModelManager::UpdateEmModel WARNING: no model <" |
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206 | << nam << "> is found out" |
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207 | << G4endl; |
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208 | } |
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209 | |
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210 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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211 | |
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212 | G4VEmModel* G4EmModelManager::GetModel(G4int i, G4bool ver) |
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213 | { |
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214 | G4VEmModel* m = 0; |
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215 | if(i >= 0 && i < nEmModels) {m = models[i];} |
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216 | else if(verboseLevel > 0 && ver) { |
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217 | G4cout << "G4EmModelManager::GetModel WARNING: " |
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218 | << "index " << i << " is wrong Nmodels= " |
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219 | << nEmModels; |
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220 | if(particle) G4cout << " for " << particle->GetParticleName(); |
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221 | G4cout<< G4endl; |
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222 | } |
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223 | return m; |
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224 | } |
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225 | |
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226 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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227 | |
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228 | const G4DataVector* G4EmModelManager::Initialise(const G4ParticleDefinition* p, |
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229 | const G4ParticleDefinition* sp, |
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230 | G4double theMinSubRange, |
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231 | G4int val) |
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232 | { |
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233 | verboseLevel = val; |
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234 | G4String partname = p->GetParticleName(); |
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235 | if(1 < verboseLevel) { |
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236 | G4cout << "G4EmModelManager::Initialise() for " |
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237 | << partname << G4endl; |
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238 | } |
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239 | // Are models defined? |
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240 | if(!nEmModels) { |
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241 | G4Exception("G4EmModelManager::Initialise without any model defined for "+partname); |
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242 | } |
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243 | particle = p; |
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244 | secondaryParticle = sp; |
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245 | minSubRange = theMinSubRange; |
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246 | |
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247 | Clear(); |
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248 | G4RegionStore* regionStore = G4RegionStore::GetInstance(); |
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249 | const G4Region* world = |
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250 | regionStore->GetRegion("DefaultRegionForTheWorld", false); |
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251 | |
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252 | // Identify the list of regions with different set of models |
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253 | nRegions = 1; |
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254 | std::vector<const G4Region*> setr; |
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255 | setr.push_back(world); |
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256 | G4bool isWorld = false; |
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257 | |
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258 | for (G4int ii=0; ii<nEmModels; ii++) { |
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259 | const G4Region* r = regions[ii]; |
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260 | if ( r == 0 || r == world) { |
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261 | isWorld = true; |
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262 | regions[ii] = world; |
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263 | } else { |
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264 | G4bool newRegion = true; |
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265 | if (nRegions>1) { |
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266 | for (G4int j=1; j<nRegions; j++) { |
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267 | if ( r == setr[j] ) newRegion = false; |
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268 | } |
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269 | } |
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270 | if (newRegion) { |
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271 | setr.push_back(r); |
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272 | nRegions++; |
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273 | } |
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274 | } |
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275 | } |
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276 | |
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277 | G4ProductionCutsTable* theCoupleTable= |
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278 | G4ProductionCutsTable::GetProductionCutsTable(); |
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279 | G4int numOfCouples = theCoupleTable->GetTableSize(); |
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280 | if(nRegions > 1) idxOfRegionModels = new G4int[numOfCouples]; |
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281 | setOfRegionModels = new G4RegionModels*[nRegions]; |
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282 | |
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283 | std::vector<G4int> modelAtRegion(nEmModels); |
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284 | std::vector<G4int> modelOrd(nEmModels); |
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285 | G4DataVector eLow(nEmModels+1); |
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286 | G4DataVector eHigh(nEmModels); |
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287 | |
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288 | // Order models for regions |
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289 | for (G4int reg=0; reg<nRegions; reg++) { |
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290 | const G4Region* region = setr[reg]; |
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291 | G4int n = 0; |
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292 | |
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293 | if(isWorld || 0 < reg) { |
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294 | |
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295 | for (G4int ii=0; ii<nEmModels; ii++) { |
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296 | |
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297 | G4VEmModel* model = models[ii]; |
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298 | if ( region == regions[ii] ) { |
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299 | |
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300 | G4double tmin = model->LowEnergyLimit(); |
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301 | G4double tmax = model->HighEnergyLimit(); |
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302 | G4int ord = orderOfModels[ii]; |
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303 | G4bool push = true; |
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304 | G4bool insert = false; |
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305 | G4int idx = n; |
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306 | |
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307 | if(1 < verboseLevel) { |
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308 | G4cout << "Model #" << ii |
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309 | << " <" << model->GetName() << "> for region <"; |
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310 | if (region) G4cout << region->GetName(); |
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311 | G4cout << "> " |
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312 | << " tmin(MeV)= " << tmin/MeV |
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313 | << "; tmax(MeV)= " << tmax/MeV |
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314 | << "; order= " << ord |
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315 | << G4endl; |
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316 | } |
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317 | |
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318 | if(n > 0) { |
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319 | |
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320 | // extend energy range to previous models |
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321 | tmin = std::min(tmin, eHigh[n-1]); |
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322 | tmax = std::max(tmax, eLow[0]); |
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323 | //G4cout << "tmin= " << tmin << " tmax= " |
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324 | // << tmax << " ord= " << ord <<G4endl; |
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325 | // empty energy range |
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326 | if( tmax - tmin <= eV) push = false; |
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327 | // low-energy model |
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328 | else if (tmax == eLow[0]) { |
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329 | push = false; |
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330 | insert = true; |
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331 | idx = 0; |
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332 | // resolve intersections |
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333 | } else if(tmin < eHigh[n-1]) { |
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334 | // compare order |
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335 | for(G4int k=0; k<n; k++) { |
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336 | // new model has lower application |
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337 | if(ord >= modelOrd[k]) { |
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338 | if(tmin < eHigh[k] && tmin >= eLow[k]) tmin = eHigh[k]; |
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339 | if(tmax <= eHigh[k] && tmax > eLow[k]) tmax = eLow[k]; |
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340 | if(tmax > eHigh[k] && tmin < eLow[k]) { |
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341 | if(tmax - eHigh[k] > eLow[k] - tmin) tmin = eHigh[k]; |
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342 | else tmax = eLow[k]; |
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343 | } |
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344 | if( tmax - tmin <= eV) { |
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345 | push = false; |
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346 | break; |
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347 | } |
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348 | } |
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349 | } |
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350 | //G4cout << "tmin= " << tmin << " tmax= " |
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351 | // << tmax << " push= " << push << " idx= " << idx <<G4endl; |
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352 | if(push) { |
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353 | if (tmax == eLow[0]) { |
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354 | push = false; |
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355 | insert = true; |
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356 | idx = 0; |
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357 | // continue resolve intersections |
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358 | } else if(tmin < eHigh[n-1]) { |
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359 | // last energy interval |
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360 | if(tmin > eLow[n-1] && tmax >= eHigh[n-1]) { |
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361 | eHigh[n-1] = tmin; |
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362 | // first energy interval |
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363 | } else if(tmin <= eLow[0] && tmax < eHigh[0]) { |
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364 | eLow[0] = tmax; |
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365 | push = false; |
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366 | insert = true; |
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367 | idx = 0; |
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368 | } else { |
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369 | // find energy interval to replace |
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370 | for(G4int k=0; k<n; k++) { |
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371 | if(tmin <= eLow[k] && tmax >= eHigh[k]) { |
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372 | push = false; |
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373 | modelAtRegion[k] = ii; |
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374 | modelOrd[k] = ord; |
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375 | isUsed[ii] = 1; |
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376 | } |
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377 | } |
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378 | } |
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379 | } |
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380 | } |
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381 | } |
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382 | } |
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383 | if(insert) { |
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384 | for(G4int k=n-1; k>=idx; k--) { |
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385 | modelAtRegion[k+1] = modelAtRegion[k]; |
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386 | modelOrd[k+1] = modelOrd[k]; |
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387 | eLow[k+1] = eLow[k]; |
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388 | eHigh[k+1] = eHigh[k]; |
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389 | } |
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390 | } |
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391 | //G4cout << "push= " << push << " insert= " << insert |
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392 | //<< " idx= " << idx <<G4endl; |
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393 | if (push || insert) { |
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394 | n++; |
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395 | modelAtRegion[idx] = ii; |
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396 | modelOrd[idx] = ord; |
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397 | eLow[idx] = tmin; |
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398 | eHigh[idx] = tmax; |
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399 | isUsed[ii] = 1; |
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400 | } |
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401 | } |
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402 | } |
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403 | } else { |
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404 | n = 1; |
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405 | models.push_back(0); |
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406 | modelAtRegion.push_back(nEmModels); |
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407 | eLow.push_back(0.0); |
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408 | eHigh.push_back(DBL_MAX); |
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409 | } |
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410 | eLow[0] = 0.0; |
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411 | eLow[n] = eHigh[n-1]; |
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412 | |
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413 | if(1 < verboseLevel) { |
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414 | G4cout << "New G4RegionModels set with " << n << " models for region <"; |
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415 | if (region) G4cout << region->GetName(); |
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416 | G4cout << "> Elow(MeV)= "; |
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417 | for(G4int ii=0; ii<=n; ii++) {G4cout << eLow[ii]/MeV << " ";} |
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418 | G4cout << G4endl; |
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419 | } |
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420 | G4RegionModels* rm = new G4RegionModels(n, modelAtRegion, eLow, region); |
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421 | setOfRegionModels[reg] = rm; |
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422 | } |
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423 | |
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424 | currRegionModel = setOfRegionModels[0]; |
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425 | |
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426 | // Access to materials and build cuts |
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427 | for(G4int i=0; i<numOfCouples; i++) { |
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428 | |
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429 | const G4MaterialCutsCouple* couple = |
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430 | theCoupleTable->GetMaterialCutsCouple(i); |
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431 | const G4Material* material = couple->GetMaterial(); |
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432 | const G4ProductionCuts* pcuts = couple->GetProductionCuts(); |
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433 | |
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434 | G4int reg = 0; |
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435 | if(nRegions > 1) { |
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436 | reg = nRegions; |
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437 | do {reg--;} while (reg>0 && pcuts != (setr[reg]->GetProductionCuts())); |
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438 | idxOfRegionModels[i] = reg; |
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439 | } |
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440 | if(1 < verboseLevel) { |
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441 | G4cout << "G4EmModelManager::Initialise() for " |
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442 | << material->GetName() |
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443 | << " indexOfCouple= " << i |
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444 | << " indexOfRegion= " << reg |
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445 | << G4endl; |
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446 | } |
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447 | |
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448 | G4double cut = DBL_MAX; |
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449 | G4double subcut = DBL_MAX; |
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450 | if(secondaryParticle) { |
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451 | size_t idx = 1; |
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452 | if( secondaryParticle == theGamma ) idx = 0; |
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453 | cut = (*theCoupleTable->GetEnergyCutsVector(idx))[i]; |
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454 | if( secondaryParticle == thePositron && cut < DBL_MAX ) |
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455 | cut += (*theCoupleTable->GetEnergyCutsVector(2))[i] + |
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456 | 2.0*electron_mass_c2; |
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457 | |
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458 | // compute subcut |
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459 | if( cut < DBL_MAX ) subcut = minSubRange*cut; |
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460 | if(pcuts->GetProductionCut(idx) < maxCutInRange) { |
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461 | G4double tcutmax = |
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462 | theCoupleTable->ConvertRangeToEnergy(secondaryParticle, |
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463 | material,maxSubCutInRange); |
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464 | if(tcutmax < subcut) subcut = tcutmax; |
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465 | } |
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466 | } |
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467 | |
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468 | G4int nm = setOfRegionModels[reg]->NumberOfModels(); |
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469 | for(G4int j=0; j<nm; j++) { |
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470 | |
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471 | G4VEmModel* model = models[setOfRegionModels[reg]->ModelIndex(j)]; |
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472 | |
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473 | G4double tcutmin = model->MinEnergyCut(particle, couple); |
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474 | |
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475 | if(cut < tcutmin) cut = tcutmin; |
---|
476 | if(subcut < tcutmin) subcut = tcutmin; |
---|
477 | if(1 < verboseLevel) { |
---|
478 | G4cout << "The model # " << j |
---|
479 | << "; tcutmin(MeV)= " << tcutmin/MeV |
---|
480 | << "; tcut(MeV)= " << cut/MeV |
---|
481 | << "; tsubcut(MeV)= " << subcut/MeV |
---|
482 | << " for " << particle->GetParticleName() |
---|
483 | << G4endl; |
---|
484 | } |
---|
485 | } |
---|
486 | theCuts.push_back(cut); |
---|
487 | theSubCuts.push_back(subcut); |
---|
488 | } |
---|
489 | |
---|
490 | for(G4int jj=0; jj<nEmModels; jj++) { |
---|
491 | if(1 == isUsed[jj]) { |
---|
492 | models[jj]->Initialise(particle, theCuts); |
---|
493 | if(flucModels[jj]) flucModels[jj]->InitialiseMe(particle); |
---|
494 | } |
---|
495 | } |
---|
496 | |
---|
497 | if(1 < verboseLevel) { |
---|
498 | G4cout << "G4EmModelManager for " << particle->GetParticleName() |
---|
499 | << " is initialised; nRegions= " << nRegions |
---|
500 | << G4endl; |
---|
501 | } |
---|
502 | |
---|
503 | return &theCuts; |
---|
504 | } |
---|
505 | |
---|
506 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
507 | |
---|
508 | void G4EmModelManager::FillDEDXVector(G4PhysicsVector* aVector, |
---|
509 | const G4MaterialCutsCouple* couple, |
---|
510 | G4EmTableType tType) |
---|
511 | { |
---|
512 | |
---|
513 | G4double e; |
---|
514 | |
---|
515 | size_t i = couple->GetIndex(); |
---|
516 | G4double cut = theCuts[i]; |
---|
517 | G4double subcut = 0.0; |
---|
518 | |
---|
519 | if(fTotal == tType) cut = DBL_MAX; |
---|
520 | else if(fSubRestricted == tType) subcut = theSubCuts[i]; |
---|
521 | |
---|
522 | if(1 < verboseLevel) { |
---|
523 | G4cout << "G4EmModelManager::FillDEDXVector() for " |
---|
524 | << couple->GetMaterial()->GetName() |
---|
525 | << " cut(MeV)= " << cut |
---|
526 | << " subcut(MeV)= " << subcut |
---|
527 | << " Type " << tType |
---|
528 | << " for " << particle->GetParticleName() |
---|
529 | << G4endl; |
---|
530 | } |
---|
531 | |
---|
532 | G4int reg = 0; |
---|
533 | if(nRegions > 1) reg = idxOfRegionModels[i]; |
---|
534 | const G4RegionModels* regModels = setOfRegionModels[reg]; |
---|
535 | G4int nmod = regModels->NumberOfModels(); |
---|
536 | |
---|
537 | // vectors to provide continues dE/dx |
---|
538 | G4DataVector factor(nmod); |
---|
539 | G4DataVector eLow(nmod+1); |
---|
540 | G4DataVector dedxLow(nmod); |
---|
541 | G4DataVector dedxHigh(nmod); |
---|
542 | |
---|
543 | if(1 < verboseLevel) { |
---|
544 | G4cout << "There are " << nmod << " models for " |
---|
545 | << couple->GetMaterial()->GetName() |
---|
546 | << " at the region #" << reg |
---|
547 | << G4endl; |
---|
548 | } |
---|
549 | |
---|
550 | // calculate factors to provide continuity of energy loss |
---|
551 | |
---|
552 | |
---|
553 | factor[0] = 1.0; |
---|
554 | G4int j; |
---|
555 | |
---|
556 | G4int totBinsLoss = aVector->GetVectorLength(); |
---|
557 | |
---|
558 | dedxLow[0] = 0.0; |
---|
559 | eLow[0] = 0.0; |
---|
560 | |
---|
561 | e = regModels->LowEdgeEnergy(1); |
---|
562 | eLow[1] = e; |
---|
563 | G4VEmModel* model = models[regModels->ModelIndex(0)]; |
---|
564 | dedxHigh[0] = 0.0; |
---|
565 | if(model && cut > subcut) { |
---|
566 | dedxHigh[0] = model->ComputeDEDX(couple,particle,e,cut); |
---|
567 | if(subcut > 0.0) { |
---|
568 | dedxHigh[0] -= model->ComputeDEDX(couple,particle,e,subcut); |
---|
569 | } |
---|
570 | } |
---|
571 | if(nmod > 1) { |
---|
572 | for(j=1; j<nmod; j++) { |
---|
573 | |
---|
574 | e = regModels->LowEdgeEnergy(j); |
---|
575 | eLow[j] = e; |
---|
576 | G4int idx = regModels->ModelIndex(j); |
---|
577 | |
---|
578 | dedxLow[j] = models[idx]->ComputeDEDX(couple,particle,e,cut); |
---|
579 | if(subcut > 0.0) { |
---|
580 | dedxLow[j] -= models[idx]->ComputeDEDX(couple,particle,e,subcut); |
---|
581 | } |
---|
582 | if(subcut == cut) dedxLow[j] = 0.0; |
---|
583 | |
---|
584 | e = regModels->LowEdgeEnergy(j+1); |
---|
585 | eLow[j+1] = e; |
---|
586 | dedxHigh[j] = models[idx]->ComputeDEDX(couple,particle,e,cut); |
---|
587 | if(subcut > 0.0) { |
---|
588 | dedxHigh[j] -= models[idx]->ComputeDEDX(couple,particle,e,subcut); |
---|
589 | } |
---|
590 | if(subcut == cut) dedxHigh[j] = 0.0; |
---|
591 | } |
---|
592 | if(1 < verboseLevel) { |
---|
593 | G4cout << " model #0" |
---|
594 | << " dedx(" << eLow[0] << ")= " << dedxLow[0] |
---|
595 | << " dedx(" << eLow[1] << ")= " << dedxHigh[0] |
---|
596 | << G4endl; |
---|
597 | } |
---|
598 | |
---|
599 | for(j=1; j<nmod; j++) { |
---|
600 | if(dedxLow[j] > 0.0) { |
---|
601 | factor[j] = (dedxHigh[j-1]/dedxLow[j] - 1.0)*eLow[j]; |
---|
602 | } else factor[j] = 0.0; |
---|
603 | if(1 < verboseLevel) { |
---|
604 | G4cout << " model #" << j |
---|
605 | << " dedx(" << eLow[j] << ")= " << dedxLow[j] |
---|
606 | << " dedx(" << eLow[j+1] << ")= " << dedxHigh[j] |
---|
607 | << " factor= " << factor[j]/eLow[j] |
---|
608 | << G4endl; |
---|
609 | } |
---|
610 | } |
---|
611 | |
---|
612 | if(2 < verboseLevel) { |
---|
613 | G4cout << "Loop over " << totBinsLoss << " bins start " << G4endl; |
---|
614 | } |
---|
615 | } |
---|
616 | |
---|
617 | // Calculate energy losses vector |
---|
618 | for(j=0; j<totBinsLoss; j++) { |
---|
619 | |
---|
620 | G4double e = aVector->GetLowEdgeEnergy(j); |
---|
621 | G4double fac = 1.0; |
---|
622 | |
---|
623 | // Choose a model of energy losses |
---|
624 | G4int k = 0; |
---|
625 | if (nmod > 1 && e > eLow[1]) { |
---|
626 | do { |
---|
627 | k++; |
---|
628 | fac *= (1.0 + factor[k]/e); |
---|
629 | } while (k+1 < nmod && e > eLow[k+1]); |
---|
630 | } |
---|
631 | |
---|
632 | model = models[regModels->ModelIndex(k)]; |
---|
633 | G4double dedx = 0.0; |
---|
634 | G4double dedx0 = 0.0; |
---|
635 | if(model && cut > subcut) { |
---|
636 | dedx = model->ComputeDEDX(couple,particle,e,cut); |
---|
637 | dedx0 = dedx; |
---|
638 | if(subcut > 0.0) dedx -= model->ComputeDEDX(couple,particle,e,subcut); |
---|
639 | dedx *= fac; |
---|
640 | } |
---|
641 | |
---|
642 | if(dedx < 0.0) dedx = 0.0; |
---|
643 | if(2 < verboseLevel) { |
---|
644 | G4cout << "Material= " << couple->GetMaterial()->GetName() |
---|
645 | << " E(MeV)= " << e/MeV |
---|
646 | << " dEdx(MeV/mm)= " << dedx*mm/MeV |
---|
647 | << " dEdx0(MeV/mm)= " << dedx0*mm/MeV |
---|
648 | << " fac= " << fac |
---|
649 | << G4endl; |
---|
650 | } |
---|
651 | aVector->PutValue(j, dedx); |
---|
652 | } |
---|
653 | } |
---|
654 | |
---|
655 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
656 | |
---|
657 | void G4EmModelManager::FillLambdaVector(G4PhysicsVector* aVector, |
---|
658 | const G4MaterialCutsCouple* couple, |
---|
659 | G4bool startFromNull, |
---|
660 | G4EmTableType tType) |
---|
661 | { |
---|
662 | G4double e; |
---|
663 | |
---|
664 | size_t i = couple->GetIndex(); |
---|
665 | G4double cut = theCuts[i]; |
---|
666 | G4double tmax = DBL_MAX; |
---|
667 | if (fSubRestricted == tType) { |
---|
668 | tmax = cut; |
---|
669 | cut = theSubCuts[i]; |
---|
670 | } |
---|
671 | |
---|
672 | if(1 < verboseLevel) { |
---|
673 | G4cout << "G4EmModelManager::FillLambdaVector() for particle " |
---|
674 | << particle->GetParticleName() |
---|
675 | << " in " << couple->GetMaterial()->GetName() |
---|
676 | << " Ecut(MeV)= " << cut |
---|
677 | << " Emax(MeV)= " << tmax |
---|
678 | << " Type " << tType |
---|
679 | << G4endl; |
---|
680 | } |
---|
681 | |
---|
682 | G4int reg = 0; |
---|
683 | if(nRegions > 1) reg = idxOfRegionModels[i]; |
---|
684 | const G4RegionModels* regModels = setOfRegionModels[reg]; |
---|
685 | G4int nmod = regModels->NumberOfModels(); |
---|
686 | |
---|
687 | // vectors to provide continues dE/dx |
---|
688 | G4DataVector factor(nmod); |
---|
689 | G4DataVector eLow(nmod+1); |
---|
690 | G4DataVector sigmaLow(nmod); |
---|
691 | G4DataVector sigmaHigh(nmod); |
---|
692 | |
---|
693 | if(2 < verboseLevel) { |
---|
694 | G4cout << "There are " << nmod << " models for " |
---|
695 | << couple->GetMaterial()->GetName() << G4endl; |
---|
696 | } |
---|
697 | |
---|
698 | // calculate factors to provide continuity of energy loss |
---|
699 | factor[0] = 1.0; |
---|
700 | G4int j; |
---|
701 | G4int totBinsLambda = aVector->GetVectorLength(); |
---|
702 | |
---|
703 | sigmaLow[0] = 0.0; |
---|
704 | eLow[0] = 0.0; |
---|
705 | |
---|
706 | e = regModels->LowEdgeEnergy(1); |
---|
707 | eLow[1] = e; |
---|
708 | G4VEmModel* model = models[regModels->ModelIndex(0)]; |
---|
709 | sigmaHigh[0] = 0.0; |
---|
710 | if(model) sigmaHigh[0] = model->CrossSection(couple,particle,e,cut,tmax); |
---|
711 | |
---|
712 | if(2 < verboseLevel) { |
---|
713 | G4cout << "### For material " << couple->GetMaterial()->GetName() |
---|
714 | << " " << nmod |
---|
715 | << " models" |
---|
716 | << " Ecut(MeV)= " << cut/MeV |
---|
717 | << " Emax(MeV)= " << e/MeV |
---|
718 | << " nbins= " << totBinsLambda |
---|
719 | << G4endl; |
---|
720 | G4cout << " model #0 eUp= " << e |
---|
721 | << " sigmaUp= " << sigmaHigh[0] << G4endl; |
---|
722 | } |
---|
723 | |
---|
724 | |
---|
725 | if(nmod > 1) { |
---|
726 | |
---|
727 | for(j=1; j<nmod; j++) { |
---|
728 | |
---|
729 | e = regModels->LowEdgeEnergy(j); |
---|
730 | eLow[j] = e; |
---|
731 | G4int idx = regModels->ModelIndex(j); |
---|
732 | |
---|
733 | sigmaLow[j] = models[idx]->CrossSection(couple,particle,e,cut,tmax); |
---|
734 | e = regModels->LowEdgeEnergy(j+1); |
---|
735 | eLow[j+1] = e; |
---|
736 | sigmaHigh[j] = models[idx]->CrossSection(couple,particle,e,cut,tmax); |
---|
737 | } |
---|
738 | if(1 < verboseLevel) { |
---|
739 | G4cout << " model #0" |
---|
740 | << " sigma(" << eLow[0] << ")= " << sigmaLow[0] |
---|
741 | << " sigma(" << eLow[1] << ")= " << sigmaHigh[0] |
---|
742 | << G4endl; |
---|
743 | } |
---|
744 | for(j=1; j<nmod; j++) { |
---|
745 | if(sigmaLow[j] > 0.0) { |
---|
746 | factor[j] = (sigmaHigh[j-1]/sigmaLow[j] - 1.0)*eLow[j]; |
---|
747 | } else factor[j] = 0.0; |
---|
748 | if(1 < verboseLevel) { |
---|
749 | G4cout << " model #" << j |
---|
750 | << " sigma(" << eLow[j] << ")= " << sigmaLow[j] |
---|
751 | << " sigma(" << eLow[j+1] << ")= " << sigmaHigh[j] |
---|
752 | << " factor= " << factor[j]/eLow[j] |
---|
753 | << G4endl; |
---|
754 | } |
---|
755 | } |
---|
756 | } |
---|
757 | |
---|
758 | // Calculate lambda vector |
---|
759 | for(j=0; j<totBinsLambda; j++) { |
---|
760 | |
---|
761 | e = aVector->GetLowEdgeEnergy(j); |
---|
762 | |
---|
763 | // Choose a model of energy losses |
---|
764 | G4int k = 0; |
---|
765 | G4double fac = 1.0; |
---|
766 | if (nmod > 1 && e > eLow[1]) { |
---|
767 | do { |
---|
768 | k++; |
---|
769 | fac *= (1.0 + factor[k]/e); |
---|
770 | } while ( k+1 < nmod && e > eLow[k+1] ); |
---|
771 | } |
---|
772 | |
---|
773 | model = models[regModels->ModelIndex(k)]; |
---|
774 | G4double cross = 0.0; |
---|
775 | if(model) cross = model->CrossSection(couple,particle,e,cut,tmax)*fac; |
---|
776 | if(j==0 && startFromNull) cross = 0.0; |
---|
777 | |
---|
778 | if(2 < verboseLevel) { |
---|
779 | G4cout << "FillLambdaVector: " << j << ". e(MeV)= " << e/MeV |
---|
780 | << " cross(1/mm)= " << cross*mm |
---|
781 | << " fac= " << fac << " k= " << k |
---|
782 | << " model= " << regModels->ModelIndex(k) |
---|
783 | << G4endl; |
---|
784 | } |
---|
785 | if(cross < 0.0) cross = 0.0; |
---|
786 | |
---|
787 | aVector->PutValue(j, cross); |
---|
788 | } |
---|
789 | } |
---|
790 | |
---|
791 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
792 | |
---|
793 | void G4EmModelManager::DumpModelList(G4int verb) |
---|
794 | { |
---|
795 | if(verb == 0) return; |
---|
796 | for(G4int i=0; i<nRegions; i++) { |
---|
797 | G4RegionModels* r = setOfRegionModels[i]; |
---|
798 | const G4Region* reg = r->Region(); |
---|
799 | // if(verb > -1 || nRegions > 1) { |
---|
800 | // } |
---|
801 | G4int n = r->NumberOfModels(); |
---|
802 | if(verb > -1 || n > 0) { |
---|
803 | G4cout << " ===== EM models for the G4Region " << reg->GetName() |
---|
804 | << " ======" << G4endl;; |
---|
805 | for(G4int j=0; j<n; j++) { |
---|
806 | const G4VEmModel* m = models[r->ModelIndex(j)]; |
---|
807 | G4cout << std::setw(20); |
---|
808 | G4cout << m->GetName() << " : Emin= " |
---|
809 | << std::setw(10) << G4BestUnit(r->LowEdgeEnergy(j),"Energy") |
---|
810 | << " Emax= " |
---|
811 | << G4BestUnit(r->LowEdgeEnergy(j+1),"Energy") |
---|
812 | << G4endl; |
---|
813 | } |
---|
814 | } |
---|
815 | } |
---|
816 | } |
---|
817 | |
---|
818 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|