[819] | 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: G4BremsstrahlungCrossSectionHandler.cc,v 1.9 2006/06/29 19:38:42 gunter Exp $ |
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[961] | 27 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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[819] | 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: G4BremsstrahlungCrossSectionHandler |
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| 35 | // |
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| 36 | // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch) |
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| 37 | // |
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| 38 | // Creation date: 25 September 2001 |
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| 39 | // |
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| 40 | // Modifications: |
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| 41 | // 10.10.2001 MGP Revision to improve code quality and consistency with design |
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| 42 | // 21.01.2003 VI cut per region |
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| 43 | // |
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| 44 | // ------------------------------------------------------------------- |
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| 45 | |
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| 46 | #include "G4BremsstrahlungCrossSectionHandler.hh" |
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| 47 | #include "G4eBremsstrahlungSpectrum.hh" |
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| 48 | #include "G4DataVector.hh" |
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| 49 | #include "G4CompositeEMDataSet.hh" |
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| 50 | #include "G4VDataSetAlgorithm.hh" |
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| 51 | #include "G4SemiLogInterpolation.hh" |
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| 52 | #include "G4VEMDataSet.hh" |
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| 53 | #include "G4EMDataSet.hh" |
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| 54 | #include "G4Material.hh" |
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| 55 | #include "G4ProductionCutsTable.hh" |
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| 56 | |
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| 57 | G4BremsstrahlungCrossSectionHandler::G4BremsstrahlungCrossSectionHandler(const G4VEnergySpectrum* spec, |
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| 58 | G4VDataSetAlgorithm* ) |
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| 59 | : theBR(spec) |
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| 60 | { |
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| 61 | interp = new G4SemiLogInterpolation(); |
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| 62 | } |
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| 63 | |
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| 64 | |
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| 65 | G4BremsstrahlungCrossSectionHandler::~G4BremsstrahlungCrossSectionHandler() |
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| 66 | { |
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| 67 | delete interp; |
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| 68 | } |
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| 69 | |
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| 70 | |
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| 71 | std::vector<G4VEMDataSet*>* |
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| 72 | G4BremsstrahlungCrossSectionHandler::BuildCrossSectionsForMaterials(const G4DataVector& energyVector, |
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| 73 | const G4DataVector* energyCuts) |
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| 74 | { |
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| 75 | std::vector<G4VEMDataSet*>* set = new std::vector<G4VEMDataSet*>; |
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| 76 | |
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| 77 | G4DataVector* energies; |
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| 78 | G4DataVector* cs; |
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| 79 | G4int nOfBins = energyVector.size(); |
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| 80 | |
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| 81 | const G4ProductionCutsTable* theCoupleTable= |
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| 82 | G4ProductionCutsTable::GetProductionCutsTable(); |
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| 83 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
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| 84 | |
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| 85 | for (size_t m=0; m<numOfCouples; m++) { |
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| 86 | |
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| 87 | const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(m); |
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| 88 | const G4Material* material= couple->GetMaterial(); |
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| 89 | const G4ElementVector* elementVector = material->GetElementVector(); |
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| 90 | const G4double* nAtomsPerVolume = material->GetVecNbOfAtomsPerVolume(); |
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| 91 | G4int nElements = material->GetNumberOfElements(); |
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| 92 | |
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| 93 | G4double tcut = (*energyCuts)[m]; |
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| 94 | |
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| 95 | G4VDataSetAlgorithm* algo = interp->Clone(); |
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| 96 | G4VEMDataSet* setForMat = new G4CompositeEMDataSet(algo,1.,1.); |
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| 97 | |
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| 98 | for (G4int i=0; i<nElements; i++) { |
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| 99 | |
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| 100 | G4int Z = (G4int) ((*elementVector)[i]->GetZ()); |
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| 101 | energies = new G4DataVector; |
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| 102 | cs = new G4DataVector; |
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| 103 | G4double density = nAtomsPerVolume[i]; |
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| 104 | |
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| 105 | for (G4int bin=0; bin<nOfBins; bin++) { |
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| 106 | |
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| 107 | G4double e = energyVector[bin]; |
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| 108 | energies->push_back(e); |
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| 109 | G4double value = 0.0; |
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| 110 | |
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| 111 | if(e > tcut) { |
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| 112 | G4double elemCs = FindValue(Z, e); |
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| 113 | |
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| 114 | value = theBR->Probability(Z, tcut, e, e); |
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| 115 | |
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| 116 | value *= elemCs*density; |
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| 117 | } |
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| 118 | cs->push_back(value); |
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| 119 | } |
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| 120 | G4VDataSetAlgorithm* algol = interp->Clone(); |
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| 121 | G4VEMDataSet* elSet = new G4EMDataSet(i,energies,cs,algol,1.,1.); |
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| 122 | setForMat->AddComponent(elSet); |
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| 123 | } |
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| 124 | set->push_back(setForMat); |
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| 125 | } |
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| 126 | |
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| 127 | return set; |
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| 128 | } |
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