| 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 1.58 2009/10/29 18:07:08 vnivanch Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-03 $
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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 | // 03-08-09 Create internal vectors only it is needed (VI)
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| 65 | //
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| 66 | // Class Description:
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| 67 | //
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| 68 | // It is the unified energy loss process it calculates the continuous
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| 69 | // energy loss for charged particles using a set of Energy Loss
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| 70 | // models valid for different energy regions. There are a possibility
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| 71 | // to create and access to dE/dx and range tables, or to calculate
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| 72 | // that information on fly.
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| 73 | // -------------------------------------------------------------------
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| 74 | //
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| 75 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 76 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 77 |
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| 78 | #include "G4EmModelManager.hh"
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| 79 |
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| 80 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 81 |
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| 82 | G4RegionModels::G4RegionModels(G4int nMod, std::vector<G4int>& indx,
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| 83 | G4DataVector& lowE, const G4Region* reg)
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| 84 | {
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| 85 | nModelsForRegion = nMod;
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| 86 | theListOfModelIndexes = new G4int [nModelsForRegion];
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| 87 | lowKineticEnergy = new G4double [nModelsForRegion+1];
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| 88 | for (G4int i=0; i<nModelsForRegion; ++i) {
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| 89 | theListOfModelIndexes[i] = indx[i];
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| 90 | lowKineticEnergy[i] = lowE[i];
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| 91 | }
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| 92 | lowKineticEnergy[nModelsForRegion] = lowE[nModelsForRegion];
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| 93 | theRegion = reg;
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| 94 | }
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| 95 |
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| 96 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 97 |
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| 98 | G4RegionModels::~G4RegionModels()
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| 99 | {
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| 100 | delete [] theListOfModelIndexes;
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| 101 | delete [] lowKineticEnergy;
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| 102 | }
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| 103 |
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| 104 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 105 |
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| 106 | #include "G4Step.hh"
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| 107 | #include "G4ParticleDefinition.hh"
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| 108 | #include "G4PhysicsVector.hh"
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| 109 | #include "G4Gamma.hh"
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| 110 | #include "G4Positron.hh"
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| 111 | #include "G4MaterialCutsCouple.hh"
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| 112 | #include "G4ProductionCutsTable.hh"
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| 113 | #include "G4RegionStore.hh"
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| 114 | #include "G4Gamma.hh"
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| 115 | #include "G4Positron.hh"
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| 116 | #include "G4UnitsTable.hh"
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| 117 | #include "G4DataVector.hh"
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| 118 |
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| 119 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 120 |
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| 121 | G4EmModelManager::G4EmModelManager():
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| 122 | nEmModels(0),
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| 123 | nRegions(0),
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| 124 | particle(0),
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| 125 | verboseLevel(0)
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| 126 | {
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| 127 | maxSubCutInRange = 0.7*mm;
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| 128 | models.reserve(4);
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| 129 | flucModels.reserve(4);
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| 130 | regions.reserve(4);
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| 131 | orderOfModels.reserve(4);
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| 132 | isUsed.reserve(4);
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| 133 | severalModels = true;
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| 134 | currRegionModel = 0;
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| 135 | currModel = 0;
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| 136 | }
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| 137 |
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| 138 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 139 |
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| 140 | G4EmModelManager::~G4EmModelManager()
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| 141 | {
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| 142 | verboseLevel = 0; // no verbosity at destruction
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| 143 | Clear();
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| 144 | }
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| 145 |
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| 146 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 147 |
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| 148 | void G4EmModelManager::Clear()
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| 149 | {
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| 150 | if(1 < verboseLevel) {
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| 151 | G4cout << "G4EmModelManager::Clear()" << G4endl;
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| 152 | }
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| 153 | size_t n = setOfRegionModels.size();
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| 154 | if(n > 0) {
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| 155 | for(size_t i=0; i<n; ++i) {
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| 156 | delete setOfRegionModels[i];
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| 157 | setOfRegionModels[i] = 0;
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| 158 | }
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| 159 | }
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| 160 | }
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| 161 |
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| 162 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 163 |
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| 164 | void G4EmModelManager::AddEmModel(G4int num, G4VEmModel* p,
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| 165 | G4VEmFluctuationModel* fm, const G4Region* r)
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| 166 | {
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| 167 | if(!p) {
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| 168 | G4cout << "G4EmModelManager::AddEmModel WARNING: no model defined."
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| 169 | << G4endl;
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| 170 | return;
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| 171 | }
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| 172 | models.push_back(p);
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| 173 | flucModels.push_back(fm);
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| 174 | regions.push_back(r);
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| 175 | orderOfModels.push_back(num);
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| 176 | isUsed.push_back(0);
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| 177 | p->DefineForRegion(r);
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| 178 | nEmModels++;
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| 179 | }
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| 180 |
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| 181 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 182 |
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| 183 | void G4EmModelManager::UpdateEmModel(const G4String& nam,
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| 184 | G4double emin, G4double emax)
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| 185 | {
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| 186 | if (nEmModels > 0) {
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| 187 | for(G4int i=0; i<nEmModels; ++i) {
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| 188 | if(nam == models[i]->GetName()) {
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| 189 | models[i]->SetLowEnergyLimit(emin);
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| 190 | models[i]->SetHighEnergyLimit(emax);
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| 191 | break;
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| 192 | }
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| 193 | }
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| 194 | }
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| 195 | G4cout << "G4EmModelManager::UpdateEmModel WARNING: no model <"
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| 196 | << nam << "> is found out"
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| 197 | << G4endl;
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| 198 | }
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| 199 |
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| 200 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 201 |
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| 202 | G4VEmModel* G4EmModelManager::GetModel(G4int i, G4bool ver)
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| 203 | {
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| 204 | G4VEmModel* m = 0;
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| 205 | if(i >= 0 && i < nEmModels) {m = models[i];}
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| 206 | else if(verboseLevel > 0 && ver) {
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| 207 | G4cout << "G4EmModelManager::GetModel WARNING: "
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| 208 | << "index " << i << " is wrong Nmodels= "
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| 209 | << nEmModels;
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| 210 | if(particle) G4cout << " for " << particle->GetParticleName();
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| 211 | G4cout<< G4endl;
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| 212 | }
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| 213 | return m;
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| 214 | }
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| 215 |
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| 216 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 217 |
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| 218 | const G4DataVector*
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| 219 | G4EmModelManager::Initialise(const G4ParticleDefinition* p,
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| 220 | const G4ParticleDefinition* secondaryParticle,
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| 221 | G4double minSubRange,
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| 222 | G4int val)
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| 223 | {
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| 224 | verboseLevel = val;
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| 225 | G4String partname = p->GetParticleName();
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| 226 | if(1 < verboseLevel) {
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| 227 | G4cout << "G4EmModelManager::Initialise() for "
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| 228 | << partname << G4endl;
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| 229 | }
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| 230 | // Are models defined?
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| 231 | if(nEmModels < 1) {
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| 232 | G4Exception("G4EmModelManager::Initialise: no model defined for " + partname);
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| 233 | }
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| 234 |
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| 235 | particle = p;
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| 236 | Clear(); // needed if run is not first
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| 237 |
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| 238 | G4RegionStore* regionStore = G4RegionStore::GetInstance();
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| 239 | const G4Region* world =
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| 240 | regionStore->GetRegion("DefaultRegionForTheWorld", false);
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| 241 |
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| 242 | // Identify the list of regions with different set of models
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| 243 | nRegions = 1;
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| 244 | std::vector<const G4Region*> setr;
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| 245 | setr.push_back(world);
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| 246 | G4bool isWorld = false;
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| 247 |
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| 248 | for (G4int ii=0; ii<nEmModels; ++ii) {
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| 249 | const G4Region* r = regions[ii];
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| 250 | if ( r == 0 || r == world) {
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| 251 | isWorld = true;
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| 252 | regions[ii] = world;
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| 253 | } else {
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| 254 | G4bool newRegion = true;
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| 255 | if (nRegions>1) {
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| 256 | for (G4int j=1; j<nRegions; ++j) {
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| 257 | if ( r == setr[j] ) newRegion = false;
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| 258 | }
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| 259 | }
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| 260 | if (newRegion) {
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| 261 | setr.push_back(r);
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| 262 | nRegions++;
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| 263 | }
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| 264 | }
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| 265 | }
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| 266 | // Are models defined?
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| 267 | if(!isWorld) {
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| 268 | G4Exception("G4EmModelManager::Initialise: no models defined for " +
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| 269 | partname + " in the World volume");
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| 270 | }
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| 271 |
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| 272 | G4ProductionCutsTable* theCoupleTable=
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| 273 | G4ProductionCutsTable::GetProductionCutsTable();
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| 274 | size_t numOfCouples = theCoupleTable->GetTableSize();
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| 275 |
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| 276 | // prepare vectors, shortcut for the case of only 1 model
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| 277 | if(nRegions > 1 && nEmModels > 1) {
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| 278 | if(numOfCouples > idxOfRegionModels.size()) idxOfRegionModels.resize(numOfCouples);
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| 279 | }
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| 280 | size_t nr = 1;
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| 281 | if(nEmModels > 1) nr = nRegions;
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| 282 | if(nr > setOfRegionModels.size()) setOfRegionModels.resize(nr);
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| 283 |
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| 284 | std::vector<G4int> modelAtRegion(nEmModels);
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| 285 | std::vector<G4int> modelOrd(nEmModels);
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| 286 | G4DataVector eLow(nEmModels+1);
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| 287 | G4DataVector eHigh(nEmModels);
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| 288 |
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| 289 | // Order models for regions
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| 290 | for (G4int reg=0; reg<nRegions; ++reg) {
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| 291 | const G4Region* region = setr[reg];
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| 292 | G4int n = 0;
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| 293 |
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| 294 | for (G4int ii=0; ii<nEmModels; ++ii) {
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| 295 |
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| 296 | G4VEmModel* model = models[ii];
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| 297 | if ( region == regions[ii] ) {
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| 298 |
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| 299 | G4double tmin = model->LowEnergyLimit();
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| 300 | G4double tmax = model->HighEnergyLimit();
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| 301 | G4int ord = orderOfModels[ii];
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| 302 | G4bool push = true;
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| 303 | G4bool insert = false;
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| 304 | G4int idx = n;
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| 305 |
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| 306 | if(1 < verboseLevel) {
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| 307 | G4cout << "Model #" << ii
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| 308 | << " <" << model->GetName() << "> for region <";
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| 309 | if (region) G4cout << region->GetName();
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| 310 | G4cout << "> "
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| 311 | << " tmin(MeV)= " << tmin/MeV
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| 312 | << "; tmax(MeV)= " << tmax/MeV
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| 313 | << "; order= " << ord
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| 314 | << G4endl;
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| 315 | }
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| 316 |
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| 317 | if(n > 0) {
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| 318 |
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| 319 | // extend energy range to previous models
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| 320 | tmin = std::min(tmin, eHigh[n-1]);
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| 321 | tmax = std::max(tmax, eLow[0]);
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| 322 | //G4cout << "tmin= " << tmin << " tmax= "
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| 323 | // << tmax << " ord= " << ord <<G4endl;
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| 324 | // empty energy range
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| 325 | if( tmax - tmin <= eV) push = false;
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| 326 | // low-energy model
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| 327 | else if (tmax == eLow[0]) {
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| 328 | push = false;
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| 329 | insert = true;
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| 330 | idx = 0;
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| 331 | // resolve intersections
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| 332 | } else if(tmin < eHigh[n-1]) {
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| 333 | // compare order
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| 334 | for(G4int k=0; k<n; ++k) {
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| 335 | // new model has lower application
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| 336 | if(ord >= modelOrd[k]) {
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| 337 | if(tmin < eHigh[k] && tmin >= eLow[k]) tmin = eHigh[k];
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| 338 | if(tmax <= eHigh[k] && tmax > eLow[k]) tmax = eLow[k];
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| 339 | if(tmax > eHigh[k] && tmin < eLow[k]) {
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| 340 | if(tmax - eHigh[k] > eLow[k] - tmin) tmin = eHigh[k];
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| 341 | else tmax = eLow[k];
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| 342 | }
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| 343 | if( tmax - tmin <= eV) {
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| 344 | push = false;
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| 345 | break;
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| 346 | }
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| 347 | }
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| 348 | }
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| 349 | //G4cout << "tmin= " << tmin << " tmax= "
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| 350 | // << tmax << " push= " << push << " idx= " << idx <<G4endl;
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| 351 | if(push) {
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| 352 | if (tmax == eLow[0]) {
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| 353 | push = false;
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| 354 | insert = true;
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| 355 | idx = 0;
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| 356 | // continue resolve intersections
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| 357 | } else if(tmin < eHigh[n-1]) {
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| 358 | // last energy interval
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| 359 | if(tmin > eLow[n-1] && tmax >= eHigh[n-1]) {
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| 360 | eHigh[n-1] = tmin;
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| 361 | // first energy interval
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| 362 | } else if(tmin <= eLow[0] && tmax < eHigh[0]) {
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| 363 | eLow[0] = tmax;
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| 364 | push = false;
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| 365 | insert = true;
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| 366 | idx = 0;
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| 367 | } else {
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| 368 | // find energy interval to replace
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| 369 | for(G4int k=0; k<n; ++k) {
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| 370 | if(tmin <= eLow[k] && tmax >= eHigh[k]) {
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| 371 | push = false;
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| 372 | modelAtRegion[k] = ii;
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| 373 | modelOrd[k] = ord;
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| 374 | isUsed[ii] = 1;
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| 375 | }
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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 | if(insert) {
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| 383 | for(G4int k=n-1; k>=idx; --k) {
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| 384 | modelAtRegion[k+1] = modelAtRegion[k];
|
|---|
| 385 | modelOrd[k+1] = modelOrd[k];
|
|---|
| 386 | eLow[k+1] = eLow[k];
|
|---|
| 387 | eHigh[k+1] = eHigh[k];
|
|---|
| 388 | }
|
|---|
| 389 | }
|
|---|
| 390 | //G4cout << "push= " << push << " insert= " << insert
|
|---|
| 391 | //<< " idx= " << idx <<G4endl;
|
|---|
| 392 | if (push || insert) {
|
|---|
| 393 | ++n;
|
|---|
| 394 | modelAtRegion[idx] = ii;
|
|---|
| 395 | modelOrd[idx] = ord;
|
|---|
| 396 | eLow[idx] = tmin;
|
|---|
| 397 | eHigh[idx] = tmax;
|
|---|
| 398 | isUsed[ii] = 1;
|
|---|
| 399 | }
|
|---|
| 400 | }
|
|---|
| 401 | }
|
|---|
| 402 | eLow[0] = 0.0;
|
|---|
| 403 | eLow[n] = eHigh[n-1];
|
|---|
| 404 |
|
|---|
| 405 | if(1 < verboseLevel) {
|
|---|
| 406 | G4cout << "New G4RegionModels set with " << n << " models for region <";
|
|---|
| 407 | if (region) G4cout << region->GetName();
|
|---|
| 408 | G4cout << "> Elow(MeV)= ";
|
|---|
| 409 | for(G4int ii=0; ii<=n; ++ii) {G4cout << eLow[ii]/MeV << " ";}
|
|---|
| 410 | G4cout << G4endl;
|
|---|
| 411 | }
|
|---|
| 412 | G4RegionModels* rm = new G4RegionModels(n, modelAtRegion, eLow, region);
|
|---|
| 413 | setOfRegionModels[reg] = rm;
|
|---|
| 414 | if(1 == nEmModels) break;
|
|---|
| 415 | }
|
|---|
| 416 |
|
|---|
| 417 | currRegionModel = setOfRegionModels[0];
|
|---|
| 418 |
|
|---|
| 419 | // Access to materials and build cuts
|
|---|
| 420 | size_t idx = 1;
|
|---|
| 421 | if(secondaryParticle) {
|
|---|
| 422 | if( secondaryParticle == G4Gamma::Gamma() ) idx = 0;
|
|---|
| 423 | else if( secondaryParticle == G4Positron::Positron()) idx = 2;
|
|---|
| 424 | }
|
|---|
| 425 |
|
|---|
| 426 | if(numOfCouples > theCuts.size()) {theCuts.resize(numOfCouples);}
|
|---|
| 427 | if(minSubRange < 1.0 && numOfCouples > theSubCuts.size()) {
|
|---|
| 428 | theSubCuts.resize(numOfCouples);
|
|---|
| 429 | }
|
|---|
| 430 | for(size_t i=0; i<numOfCouples; ++i) {
|
|---|
| 431 |
|
|---|
| 432 | const G4MaterialCutsCouple* couple =
|
|---|
| 433 | theCoupleTable->GetMaterialCutsCouple(i);
|
|---|
| 434 | const G4Material* material = couple->GetMaterial();
|
|---|
| 435 | const G4ProductionCuts* pcuts = couple->GetProductionCuts();
|
|---|
| 436 |
|
|---|
| 437 | G4int reg = 0;
|
|---|
| 438 | if(nRegions > 1 && nEmModels > 1) {
|
|---|
| 439 | reg = nRegions;
|
|---|
| 440 | do {--reg;} while (reg>0 && pcuts != (setr[reg]->GetProductionCuts()));
|
|---|
| 441 | idxOfRegionModels[i] = reg;
|
|---|
| 442 | }
|
|---|
| 443 | if(1 < verboseLevel) {
|
|---|
| 444 | G4cout << "G4EmModelManager::Initialise() for "
|
|---|
| 445 | << material->GetName()
|
|---|
| 446 | << " indexOfCouple= " << i
|
|---|
| 447 | << " indexOfRegion= " << reg
|
|---|
| 448 | << G4endl;
|
|---|
| 449 | }
|
|---|
| 450 |
|
|---|
| 451 | G4double cut = (*theCoupleTable->GetEnergyCutsVector(idx))[i];
|
|---|
| 452 | G4double subcut = DBL_MAX;
|
|---|
| 453 | if(secondaryParticle) {
|
|---|
| 454 |
|
|---|
| 455 | // compute subcut
|
|---|
| 456 | if( cut < DBL_MAX && minSubRange < 1.0) {
|
|---|
| 457 | subcut = minSubRange*cut;
|
|---|
| 458 | G4double rcut = std::min(minSubRange*pcuts->GetProductionCut(idx),
|
|---|
| 459 | maxSubCutInRange);
|
|---|
| 460 | G4double tcutmax =
|
|---|
| 461 | theCoupleTable->ConvertRangeToEnergy(secondaryParticle,material,rcut);
|
|---|
| 462 | if(tcutmax < subcut) subcut = tcutmax;
|
|---|
| 463 | }
|
|---|
| 464 | }
|
|---|
| 465 |
|
|---|
| 466 | G4int nm = setOfRegionModels[reg]->NumberOfModels();
|
|---|
| 467 | for(G4int j=0; j<nm; ++j) {
|
|---|
| 468 |
|
|---|
| 469 | G4VEmModel* model = models[setOfRegionModels[reg]->ModelIndex(j)];
|
|---|
| 470 |
|
|---|
| 471 | G4double tcutmin = model->MinEnergyCut(particle, couple);
|
|---|
| 472 |
|
|---|
| 473 | if(cut < tcutmin) cut = tcutmin;
|
|---|
| 474 | if(subcut < tcutmin) subcut = tcutmin;
|
|---|
| 475 | if(1 < verboseLevel) {
|
|---|
| 476 | G4cout << "The model # " << j
|
|---|
| 477 | << "; tcutmin(MeV)= " << tcutmin/MeV
|
|---|
| 478 | << "; tcut(MeV)= " << cut/MeV
|
|---|
| 479 | << "; tsubcut(MeV)= " << subcut/MeV
|
|---|
| 480 | << " for " << particle->GetParticleName()
|
|---|
| 481 | << G4endl;
|
|---|
| 482 | }
|
|---|
| 483 | }
|
|---|
| 484 | theCuts[i] = cut;
|
|---|
| 485 | if(minSubRange < 1.0) theSubCuts[i] = subcut;
|
|---|
| 486 | }
|
|---|
| 487 |
|
|---|
| 488 | // initialize models
|
|---|
| 489 | G4int nn = 0;
|
|---|
| 490 | severalModels = true;
|
|---|
| 491 | for(G4int jj=0; jj<nEmModels; ++jj) {
|
|---|
| 492 | if(1 == isUsed[jj]) {
|
|---|
| 493 | ++nn;
|
|---|
| 494 | currModel = models[jj];
|
|---|
| 495 | currModel->Initialise(particle, theCuts);
|
|---|
| 496 | if(flucModels[jj]) flucModels[jj]->InitialiseMe(particle);
|
|---|
| 497 | }
|
|---|
| 498 | }
|
|---|
| 499 | if(1 == nn) severalModels = false;
|
|---|
| 500 |
|
|---|
| 501 | if(1 < verboseLevel) {
|
|---|
| 502 | G4cout << "G4EmModelManager for " << particle->GetParticleName()
|
|---|
| 503 | << " is initialised; nRegions= " << nRegions
|
|---|
| 504 | << G4endl;
|
|---|
| 505 | }
|
|---|
| 506 |
|
|---|
| 507 | return &theCuts;
|
|---|
| 508 | }
|
|---|
| 509 |
|
|---|
| 510 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 511 |
|
|---|
| 512 | void G4EmModelManager::FillDEDXVector(G4PhysicsVector* aVector,
|
|---|
| 513 | const G4MaterialCutsCouple* couple,
|
|---|
| 514 | G4EmTableType tType)
|
|---|
| 515 | {
|
|---|
| 516 | size_t i = couple->GetIndex();
|
|---|
| 517 | G4double cut = theCuts[i];
|
|---|
| 518 | G4double emin = 0.0;
|
|---|
| 519 |
|
|---|
| 520 | if(fTotal == tType) cut = DBL_MAX;
|
|---|
| 521 | else if(fSubRestricted == tType) {
|
|---|
| 522 | emin = cut;
|
|---|
| 523 | if(theSubCuts.size() > 0) emin = theSubCuts[i];
|
|---|
| 524 | }
|
|---|
| 525 |
|
|---|
| 526 | if(1 < verboseLevel) {
|
|---|
| 527 | G4cout << "G4EmModelManager::FillDEDXVector() for "
|
|---|
| 528 | << couple->GetMaterial()->GetName()
|
|---|
| 529 | << " cut(MeV)= " << cut
|
|---|
| 530 | << " emin(MeV)= " << emin
|
|---|
| 531 | << " Type " << tType
|
|---|
| 532 | << " for " << particle->GetParticleName()
|
|---|
| 533 | << G4endl;
|
|---|
| 534 | }
|
|---|
| 535 |
|
|---|
| 536 | G4int reg = 0;
|
|---|
| 537 | if(nRegions > 1 && nEmModels > 1) reg = idxOfRegionModels[i];
|
|---|
| 538 | const G4RegionModels* regModels = setOfRegionModels[reg];
|
|---|
| 539 | G4int nmod = regModels->NumberOfModels();
|
|---|
| 540 |
|
|---|
| 541 | // Calculate energy losses vector
|
|---|
| 542 |
|
|---|
| 543 | //G4cout << "nmod= " << nmod << G4endl;
|
|---|
| 544 | size_t totBinsLoss = aVector->GetVectorLength();
|
|---|
| 545 | for(size_t j=0; j<totBinsLoss; ++j) {
|
|---|
| 546 |
|
|---|
| 547 | G4double e = aVector->Energy(j);
|
|---|
| 548 | G4double del = 0.0;
|
|---|
| 549 |
|
|---|
| 550 | // Choose a model of energy losses
|
|---|
| 551 | G4int k = 0;
|
|---|
| 552 | if (nmod > 1) {
|
|---|
| 553 | k = nmod;
|
|---|
| 554 | do {--k;} while (k>0 && e <= regModels->LowEdgeEnergy(k));
|
|---|
| 555 | //G4cout << "k= " << k << G4endl;
|
|---|
| 556 | if(k > 0) {
|
|---|
| 557 | G4double elow = regModels->LowEdgeEnergy(k);
|
|---|
| 558 | G4double dedx1 = ComputeDEDX(models[regModels->ModelIndex(k-1)],
|
|---|
| 559 | couple,elow,cut,emin);
|
|---|
| 560 | G4double dedx2 = ComputeDEDX(models[regModels->ModelIndex(k)],
|
|---|
| 561 | couple,elow,cut,emin);
|
|---|
| 562 | del = (dedx1 - dedx2)*elow/e;
|
|---|
| 563 | //G4cout << "elow= " << elow
|
|---|
| 564 | // << " dedx1= " << dedx1 << " dedx2= " << dedx2 << G4endl;
|
|---|
| 565 | }
|
|---|
| 566 | }
|
|---|
| 567 | G4double dedx = ComputeDEDX(models[regModels->ModelIndex(k)],
|
|---|
| 568 | couple,e,cut,emin) + del;
|
|---|
| 569 |
|
|---|
| 570 | if(dedx < 0.0) dedx = 0.0;
|
|---|
| 571 | if(2 < verboseLevel) {
|
|---|
| 572 | G4cout << "Material= " << couple->GetMaterial()->GetName()
|
|---|
| 573 | << " E(MeV)= " << e/MeV
|
|---|
| 574 | << " dEdx(MeV/mm)= " << dedx*mm/MeV
|
|---|
| 575 | << " del= " << del*mm/MeV<< " k= " << k
|
|---|
| 576 | << " modelIdx= " << regModels->ModelIndex(k)
|
|---|
| 577 | << G4endl;
|
|---|
| 578 | }
|
|---|
| 579 | aVector->PutValue(j, dedx);
|
|---|
| 580 | }
|
|---|
| 581 | }
|
|---|
| 582 |
|
|---|
| 583 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 584 |
|
|---|
| 585 | void G4EmModelManager::FillLambdaVector(G4PhysicsVector* aVector,
|
|---|
| 586 | const G4MaterialCutsCouple* couple,
|
|---|
| 587 | G4bool startFromNull,
|
|---|
| 588 | G4EmTableType tType)
|
|---|
| 589 | {
|
|---|
| 590 | size_t i = couple->GetIndex();
|
|---|
| 591 | G4double cut = theCuts[i];
|
|---|
| 592 | G4double tmax = DBL_MAX;
|
|---|
| 593 | if (fSubRestricted == tType) {
|
|---|
| 594 | tmax = cut;
|
|---|
| 595 | if(theSubCuts.size() > 0) cut = theSubCuts[i];
|
|---|
| 596 | }
|
|---|
| 597 |
|
|---|
| 598 | G4int reg = 0;
|
|---|
| 599 | if(nRegions > 1 && nEmModels > 1) reg = idxOfRegionModels[i];
|
|---|
| 600 | const G4RegionModels* regModels = setOfRegionModels[reg];
|
|---|
| 601 | G4int nmod = regModels->NumberOfModels();
|
|---|
| 602 | if(1 < verboseLevel) {
|
|---|
| 603 | G4cout << "G4EmModelManager::FillLambdaVector() for "
|
|---|
| 604 | << particle->GetParticleName()
|
|---|
| 605 | << " in " << couple->GetMaterial()->GetName()
|
|---|
| 606 | << " Ecut(MeV)= " << cut
|
|---|
| 607 | << " Emax(MeV)= " << tmax
|
|---|
| 608 | << " Type " << tType
|
|---|
| 609 | << " nmod= " << nmod
|
|---|
| 610 | << G4endl;
|
|---|
| 611 | }
|
|---|
| 612 |
|
|---|
| 613 |
|
|---|
| 614 | // Calculate lambda vector
|
|---|
| 615 | size_t totBinsLambda = aVector->GetVectorLength();
|
|---|
| 616 | for(size_t j=0; j<totBinsLambda; ++j) {
|
|---|
| 617 |
|
|---|
| 618 | G4double e = aVector->Energy(j);
|
|---|
| 619 |
|
|---|
| 620 | G4double del = 0.0;
|
|---|
| 621 |
|
|---|
| 622 | // Choose a model
|
|---|
| 623 | G4int k = 0;
|
|---|
| 624 | G4VEmModel* mod = models[regModels->ModelIndex(0)];
|
|---|
| 625 | if (nmod > 1) {
|
|---|
| 626 | k = nmod;
|
|---|
| 627 | do {--k;} while (k>0 && e <= regModels->LowEdgeEnergy(k));
|
|---|
| 628 | if(k > 0) {
|
|---|
| 629 | G4double elow = regModels->LowEdgeEnergy(k);
|
|---|
| 630 | G4VEmModel* m = models[regModels->ModelIndex(k-1)];
|
|---|
| 631 | G4double xs1 = m->CrossSection(couple,particle,elow,cut,tmax);
|
|---|
| 632 | mod = models[regModels->ModelIndex(k)];
|
|---|
| 633 | G4double xs2 = mod->CrossSection(couple,particle,elow,cut,tmax);
|
|---|
| 634 | del = (xs1 - xs2)*elow/e;
|
|---|
| 635 | }
|
|---|
| 636 | }
|
|---|
| 637 | G4double cross = mod->CrossSection(couple,particle,e,cut,tmax) + del;
|
|---|
| 638 |
|
|---|
| 639 | if(j==0 && startFromNull) cross = 0.0;
|
|---|
| 640 |
|
|---|
| 641 | if(2 < verboseLevel) {
|
|---|
| 642 | G4cout << "FillLambdaVector: " << j << ". e(MeV)= " << e/MeV
|
|---|
| 643 | << " cross(1/mm)= " << cross*mm
|
|---|
| 644 | << " del= " << del*mm << " k= " << k
|
|---|
| 645 | << " modelIdx= " << regModels->ModelIndex(k)
|
|---|
| 646 | << G4endl;
|
|---|
| 647 | }
|
|---|
| 648 | if(cross < 0.0) cross = 0.0;
|
|---|
| 649 |
|
|---|
| 650 | aVector->PutValue(j, cross);
|
|---|
| 651 | }
|
|---|
| 652 | }
|
|---|
| 653 |
|
|---|
| 654 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 655 |
|
|---|
| 656 | void G4EmModelManager::DumpModelList(G4int verb)
|
|---|
| 657 | {
|
|---|
| 658 | if(verb == 0) return;
|
|---|
| 659 | for(G4int i=0; i<nRegions; ++i) {
|
|---|
| 660 | G4RegionModels* r = setOfRegionModels[i];
|
|---|
| 661 | const G4Region* reg = r->Region();
|
|---|
| 662 | G4int n = r->NumberOfModels();
|
|---|
| 663 | if(n > 0) {
|
|---|
| 664 | G4cout << " ===== EM models for the G4Region " << reg->GetName()
|
|---|
| 665 | << " ======" << G4endl;;
|
|---|
| 666 | for(G4int j=0; j<n; ++j) {
|
|---|
| 667 | const G4VEmModel* m = models[r->ModelIndex(j)];
|
|---|
| 668 | G4cout << std::setw(20);
|
|---|
| 669 | G4cout << m->GetName() << " : Emin= "
|
|---|
| 670 | << std::setw(10) << G4BestUnit(r->LowEdgeEnergy(j),"Energy")
|
|---|
| 671 | << " Emax= "
|
|---|
| 672 | << G4BestUnit(r->LowEdgeEnergy(j+1),"Energy")
|
|---|
| 673 | << G4endl;
|
|---|
| 674 | }
|
|---|
| 675 | }
|
|---|
| 676 | if(1 == nEmModels) break;
|
|---|
| 677 | }
|
|---|
| 678 | }
|
|---|
| 679 |
|
|---|
| 680 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|