1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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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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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: G4VMultipleScattering.cc,v 1.60 2008/11/20 20:32:40 vnivanch Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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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: G4VMultipleScattering |
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35 | // |
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36 | // Author: Vladimir Ivanchenko on base of Laszlo Urban code |
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37 | // |
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38 | // Creation date: 25.03.2003 |
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39 | // |
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40 | // Modifications: |
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41 | // |
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42 | // 13.04.03 Change printout (V.Ivanchenko) |
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43 | // 04-06-03 Fix compilation warnings (V.Ivanchenko) |
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44 | // 16-07-03 Use G4VMscModel interface (V.Ivanchenko) |
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45 | // 03-11-03 Fix initialisation problem in RetrievePhysicsTable (V.Ivanchenko) |
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46 | // 04-11-03 Update PrintInfoDefinition (V.Ivanchenko) |
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47 | // 01-03-04 SampleCosineTheta signature changed |
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48 | // 22-04-04 SampleCosineTheta signature changed back to original |
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49 | // 27-08-04 Add InitialiseForRun method (V.Ivanchneko) |
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50 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko) |
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51 | // 11-03-05 Shift verbose level by 1 (V.Ivantchenko) |
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52 | // 15-04-05 optimize internal interface (V.Ivanchenko) |
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53 | // 15-04-05 remove boundary flag (V.Ivanchenko) |
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54 | // 27-10-05 introduce virtual function MscStepLimitation() (V.Ivanchenko) |
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55 | // 12-04-07 Add verbosity at destruction (V.Ivanchenko) |
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56 | // 27-10-07 Virtual functions moved to source (V.Ivanchenko) |
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57 | // 11-03-08 Set skin value does not effect step limit type (V.Ivanchenko) |
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58 | // |
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59 | // Class Description: |
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60 | // |
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61 | // It is the generic process of multiple scattering it includes common |
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62 | // part of calculations for all charged particles |
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63 | |
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64 | // ------------------------------------------------------------------- |
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65 | // |
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66 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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67 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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68 | |
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69 | #include "G4VMultipleScattering.hh" |
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70 | #include "G4LossTableManager.hh" |
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71 | #include "G4Step.hh" |
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72 | #include "G4ParticleDefinition.hh" |
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73 | #include "G4VEmFluctuationModel.hh" |
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74 | #include "G4DataVector.hh" |
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75 | #include "G4PhysicsTable.hh" |
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76 | #include "G4PhysicsVector.hh" |
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77 | #include "G4PhysicsLogVector.hh" |
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78 | #include "G4UnitsTable.hh" |
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79 | #include "G4ProductionCutsTable.hh" |
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80 | #include "G4Region.hh" |
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81 | #include "G4RegionStore.hh" |
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82 | #include "G4PhysicsTableHelper.hh" |
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83 | #include "G4GenericIon.hh" |
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84 | #include "G4Electron.hh" |
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85 | |
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86 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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87 | |
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88 | G4VMultipleScattering::G4VMultipleScattering(const G4String& name, |
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89 | G4ProcessType type): |
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90 | G4VContinuousDiscreteProcess(name, type), |
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91 | buildLambdaTable(true), |
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92 | theLambdaTable(0), |
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93 | firstParticle(0), |
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94 | stepLimit(fUseSafety), |
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95 | skin(3.0), |
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96 | facrange(0.02), |
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97 | facgeom(2.5), |
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98 | latDisplasment(true), |
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99 | currentParticle(0), |
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100 | currentCouple(0) |
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101 | { |
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102 | SetVerboseLevel(1); |
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103 | SetProcessSubType(fMultipleScattering); |
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104 | |
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105 | // Size of tables assuming spline |
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106 | minKinEnergy = 0.1*keV; |
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107 | maxKinEnergy = 100.0*TeV; |
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108 | nBins = 84; |
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109 | |
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110 | // default limit on polar angle |
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111 | polarAngleLimit = 0.0; |
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112 | |
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113 | pParticleChange = &fParticleChange; |
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114 | |
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115 | modelManager = new G4EmModelManager(); |
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116 | (G4LossTableManager::Instance())->Register(this); |
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117 | |
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118 | } |
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119 | |
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120 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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121 | |
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122 | G4VMultipleScattering::~G4VMultipleScattering() |
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123 | { |
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124 | if(1 < verboseLevel) { |
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125 | G4cout << "G4VMultipleScattering destruct " << GetProcessName() |
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126 | << G4endl; |
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127 | } |
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128 | delete modelManager; |
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129 | if (theLambdaTable) { |
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130 | theLambdaTable->clearAndDestroy(); |
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131 | delete theLambdaTable; |
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132 | } |
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133 | (G4LossTableManager::Instance())->DeRegister(this); |
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134 | } |
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135 | |
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136 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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137 | |
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138 | void G4VMultipleScattering::BuildPhysicsTable(const G4ParticleDefinition& part) |
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139 | { |
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140 | G4String num = part.GetParticleName(); |
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141 | if(1 < verboseLevel) { |
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142 | G4cout << "### G4VMultipleScattering::BuildPhysicsTable() for " |
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143 | << GetProcessName() |
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144 | << " and particle " << num |
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145 | << G4endl; |
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146 | } |
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147 | |
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148 | if (buildLambdaTable && firstParticle == &part) { |
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149 | |
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150 | const G4ProductionCutsTable* theCoupleTable= |
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151 | G4ProductionCutsTable::GetProductionCutsTable(); |
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152 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
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153 | |
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154 | for (size_t i=0; i<numOfCouples; i++) { |
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155 | |
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156 | if (theLambdaTable->GetFlag(i)) { |
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157 | // create physics vector and fill it |
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158 | const G4MaterialCutsCouple* couple = |
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159 | theCoupleTable->GetMaterialCutsCouple(i); |
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160 | G4PhysicsVector* aVector = PhysicsVector(couple); |
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161 | modelManager->FillLambdaVector(aVector, couple, false); |
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162 | G4PhysicsTableHelper::SetPhysicsVector(theLambdaTable, i, aVector); |
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163 | } |
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164 | } |
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165 | |
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166 | if(1 < verboseLevel) { |
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167 | G4cout << "Lambda table is built for " |
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168 | << num |
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169 | << G4endl; |
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170 | } |
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171 | } |
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172 | if(verboseLevel>0 && ( num == "e-" || num == "mu+" || |
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173 | num == "proton" || num == "pi-" || |
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174 | num == "GenericIon")) { |
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175 | PrintInfoDefinition(); |
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176 | if(2 < verboseLevel && theLambdaTable) G4cout << *theLambdaTable << G4endl; |
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177 | } |
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178 | |
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179 | if(1 < verboseLevel) { |
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180 | G4cout << "### G4VMultipleScattering::BuildPhysicsTable() done for " |
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181 | << GetProcessName() |
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182 | << " and particle " << num |
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183 | << G4endl; |
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184 | } |
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185 | } |
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186 | |
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187 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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188 | |
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189 | void G4VMultipleScattering::PreparePhysicsTable(const G4ParticleDefinition& part) |
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190 | { |
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191 | if (!firstParticle) { |
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192 | currentCouple = 0; |
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193 | if(part.GetParticleType() == "nucleus" && |
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194 | part.GetParticleSubType() == "generic") { |
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195 | firstParticle = G4GenericIon::GenericIon(); |
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196 | } else { |
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197 | firstParticle = ∂ |
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198 | } |
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199 | |
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200 | currentParticle = ∂ |
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201 | } |
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202 | |
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203 | if(1 < verboseLevel) { |
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204 | G4cout << "### G4VMultipleScattering::PrepearPhysicsTable() for " |
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205 | << GetProcessName() |
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206 | << " and particle " << part.GetParticleName() |
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207 | << " local particle " << firstParticle->GetParticleName() |
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208 | << G4endl; |
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209 | } |
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210 | |
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211 | if(firstParticle == &part) { |
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212 | |
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213 | InitialiseProcess(firstParticle); |
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214 | if(buildLambdaTable) |
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215 | theLambdaTable = G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTable); |
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216 | const G4DataVector* theCuts = |
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217 | modelManager->Initialise(firstParticle, |
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218 | G4Electron::Electron(), |
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219 | 10.0, verboseLevel); |
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220 | |
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221 | if(2 < verboseLevel) G4cout << theCuts << G4endl; |
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222 | |
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223 | } |
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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 | void G4VMultipleScattering::PrintInfoDefinition() |
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229 | { |
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230 | if (0 < verboseLevel) { |
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231 | G4cout << G4endl << GetProcessName() |
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232 | << ": for " << firstParticle->GetParticleName() |
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233 | << " SubType= " << GetProcessSubType() |
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234 | << G4endl; |
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235 | if (theLambdaTable) { |
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236 | G4cout << " Lambda tables from " |
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237 | << G4BestUnit(MinKinEnergy(),"Energy") |
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238 | << " to " |
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239 | << G4BestUnit(MaxKinEnergy(),"Energy") |
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240 | << " in " << nBins << " bins, spline: " |
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241 | << (G4LossTableManager::Instance())->SplineFlag() |
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242 | << G4endl; |
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243 | } |
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244 | PrintInfo(); |
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245 | modelManager->DumpModelList(verboseLevel); |
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246 | if (2 < verboseLevel) { |
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247 | G4cout << "LambdaTable address= " << theLambdaTable << G4endl; |
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248 | if(theLambdaTable) G4cout << (*theLambdaTable) << G4endl; |
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249 | } |
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250 | } |
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251 | } |
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252 | |
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253 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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254 | |
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255 | G4double G4VMultipleScattering::AlongStepGetPhysicalInteractionLength( |
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256 | const G4Track& track, |
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257 | G4double, |
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258 | G4double currentMinimalStep, |
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259 | G4double& currentSafety, |
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260 | G4GPILSelection* selection) |
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261 | { |
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262 | // get Step limit proposed by the process |
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263 | valueGPILSelectionMSC = NotCandidateForSelection; |
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264 | G4double steplength = GetMscContinuousStepLimit(track, |
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265 | track.GetKineticEnergy(), |
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266 | currentMinimalStep, |
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267 | currentSafety); |
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268 | // G4cout << "StepLimit= " << steplength << G4endl; |
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269 | // set return value for G4GPILSelection |
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270 | *selection = valueGPILSelectionMSC; |
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271 | return steplength; |
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272 | } |
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273 | |
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274 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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275 | |
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276 | G4double G4VMultipleScattering::PostStepGetPhysicalInteractionLength( |
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277 | const G4Track&, G4double, G4ForceCondition* condition) |
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278 | { |
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279 | *condition = Forced; |
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280 | return DBL_MAX; |
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281 | } |
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282 | |
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283 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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284 | |
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285 | G4double G4VMultipleScattering::GetContinuousStepLimit( |
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286 | const G4Track& track, |
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287 | G4double previousStepSize, |
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288 | G4double currentMinimalStep, |
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289 | G4double& currentSafety) |
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290 | { |
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291 | return GetMscContinuousStepLimit(track,previousStepSize,currentMinimalStep, |
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292 | currentSafety); |
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293 | } |
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294 | |
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295 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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296 | |
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297 | G4double G4VMultipleScattering::GetMeanFreePath( |
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298 | const G4Track&, G4double, G4ForceCondition* condition) |
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299 | { |
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300 | *condition = Forced; |
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301 | return DBL_MAX; |
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302 | } |
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303 | |
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304 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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305 | |
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306 | G4VParticleChange* G4VMultipleScattering::AlongStepDoIt(const G4Track&, |
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307 | const G4Step& step) |
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308 | { |
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309 | fParticleChange.ProposeTrueStepLength( |
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310 | currentModel->ComputeTrueStepLength(step.GetStepLength())); |
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311 | return &fParticleChange; |
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312 | } |
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313 | |
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314 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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315 | |
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316 | G4VParticleChange* G4VMultipleScattering::PostStepDoIt(const G4Track& track, |
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317 | const G4Step& step) |
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318 | { |
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319 | fParticleChange.Initialize(track); |
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320 | currentModel->SampleScattering(track.GetDynamicParticle(), |
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321 | step.GetPostStepPoint()->GetSafety()); |
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322 | return &fParticleChange; |
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323 | } |
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324 | |
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325 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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326 | |
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327 | G4PhysicsVector* G4VMultipleScattering::PhysicsVector(const G4MaterialCutsCouple* couple) |
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328 | { |
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329 | G4int nbins = 3; |
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330 | if( couple->IsUsed() ) nbins = nBins; |
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331 | G4PhysicsVector* v = new G4PhysicsLogVector(minKinEnergy, maxKinEnergy, nbins); |
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332 | v->SetSpline((G4LossTableManager::Instance())->SplineFlag()); |
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333 | return v; |
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334 | } |
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335 | |
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336 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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337 | |
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338 | G4bool G4VMultipleScattering::StorePhysicsTable(const G4ParticleDefinition* part, |
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339 | const G4String& directory, |
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340 | G4bool ascii) |
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341 | { |
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342 | G4bool yes = true; |
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343 | if ( theLambdaTable && part == firstParticle) { |
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344 | const G4String name = GetPhysicsTableFileName(part,directory,"Lambda",ascii); |
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345 | G4bool yes = theLambdaTable->StorePhysicsTable(name,ascii); |
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346 | |
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347 | if ( yes ) { |
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348 | if ( verboseLevel>0 ) { |
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349 | G4cout << "Physics table are stored for " << part->GetParticleName() |
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350 | << " and process " << GetProcessName() |
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351 | << " in the directory <" << directory |
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352 | << "> " << G4endl; |
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353 | } |
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354 | } else { |
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355 | G4cout << "Fail to store Physics Table for " << part->GetParticleName() |
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356 | << " and process " << GetProcessName() |
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357 | << " in the directory <" << directory |
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358 | << "> " << G4endl; |
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359 | } |
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360 | } |
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361 | return yes; |
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362 | } |
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363 | |
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364 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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365 | |
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366 | G4bool G4VMultipleScattering::RetrievePhysicsTable(const G4ParticleDefinition* part, |
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367 | const G4String& directory, |
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368 | G4bool ascii) |
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369 | { |
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370 | if(0 < verboseLevel) { |
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371 | // G4cout << "========================================================" << G4endl; |
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372 | G4cout << "G4VMultipleScattering::RetrievePhysicsTable() for " |
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373 | << part->GetParticleName() << " and process " |
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374 | << GetProcessName() << G4endl; |
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375 | } |
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376 | G4bool yes = true; |
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377 | |
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378 | if(!buildLambdaTable || firstParticle != part) return yes; |
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379 | |
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380 | const G4String particleName = part->GetParticleName(); |
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381 | |
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382 | G4String filename = GetPhysicsTableFileName(part,directory,"Lambda",ascii); |
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383 | yes = G4PhysicsTableHelper::RetrievePhysicsTable(theLambdaTable,filename,ascii); |
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384 | if ( yes ) { |
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385 | if (0 < verboseLevel) { |
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386 | G4cout << "Lambda table for " << part->GetParticleName() << " is retrieved from <" |
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387 | << filename << ">" |
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388 | << G4endl; |
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389 | } |
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390 | if((G4LossTableManager::Instance())->SplineFlag()) { |
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391 | size_t n = theLambdaTable->length(); |
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392 | for(size_t i=0; i<n; i++) {(* theLambdaTable)[i]->SetSpline(true);} |
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393 | } |
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394 | } else { |
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395 | if (1 < verboseLevel) { |
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396 | G4cout << "Lambda table for " << part->GetParticleName() << " in file <" |
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397 | << filename << "> is not exist" |
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398 | << G4endl; |
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399 | } |
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400 | } |
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401 | return yes; |
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402 | } |
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403 | |
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404 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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405 | |
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