[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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[1196] | 26 | // $Id: G4LossTableBuilder.cc,v 1.32 2009/08/11 17:24:53 vnivanch Exp $ |
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[1228] | 27 | // GEANT4 tag $Name: geant4-09-03 $ |
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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: G4LossTableBuilder |
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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: 03.01.2002 |
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| 39 | // |
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| 40 | // Modifications: |
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| 41 | // |
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| 42 | // 23-01-03 V.Ivanchenko Cut per region |
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| 43 | // 21-07-04 V.Ivanchenko Fix problem of range for dedx=0 |
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| 44 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivanchenko) |
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| 45 | // 07-12-04 Fix of BuildDEDX table (V.Ivanchenko) |
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| 46 | // 27-03-06 Add bool options isIonisation (V.Ivanchenko) |
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| 47 | // 16-01-07 Fill new (not old) DEDX table (V.Ivanchenko) |
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| 48 | // 12-02-07 Use G4LPhysicsFreeVector for the inverse range table (V.Ivanchenko) |
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[1196] | 49 | // 24-06-09 Removed hidden bin in G4PhysicsVector (V.Ivanchenko) |
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[819] | 50 | // |
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| 51 | // Class Description: |
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| 52 | // |
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| 53 | // ------------------------------------------------------------------- |
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| 54 | // |
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| 55 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 56 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 57 | |
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| 58 | #include "G4LossTableBuilder.hh" |
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| 59 | #include "G4PhysicsTable.hh" |
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| 60 | #include "G4PhysicsLogVector.hh" |
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| 61 | #include "G4PhysicsTableHelper.hh" |
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| 62 | #include "G4LPhysicsFreeVector.hh" |
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| 63 | |
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| 64 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 65 | |
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| 66 | G4LossTableBuilder::G4LossTableBuilder() |
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[961] | 67 | { |
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| 68 | splineFlag = true; |
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| 69 | } |
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[819] | 70 | |
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| 71 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 72 | |
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| 73 | G4LossTableBuilder::~G4LossTableBuilder() |
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| 74 | {} |
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| 75 | |
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| 76 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 77 | |
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[961] | 78 | void |
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| 79 | G4LossTableBuilder::BuildDEDXTable(G4PhysicsTable* dedxTable, |
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| 80 | const std::vector<G4PhysicsTable*>& list) |
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[819] | 81 | { |
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| 82 | size_t n_processes = list.size(); |
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| 83 | if(1 >= n_processes) return; |
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| 84 | |
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| 85 | size_t n_vectors = (list[0])->length(); |
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| 86 | if(0 >= n_vectors) return; |
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| 87 | |
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[1196] | 88 | G4PhysicsLogVector* pv0 = static_cast<G4PhysicsLogVector*>((*(list[0]))[0]); |
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| 89 | size_t npoints = pv0->GetVectorLength(); |
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[819] | 90 | for (size_t i=0; i<n_vectors; i++) { |
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| 91 | |
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[1196] | 92 | G4PhysicsLogVector* pv = new G4PhysicsLogVector(*pv0); |
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| 93 | // pv = new G4PhysicsLogVector(elow, ehigh, npoints-1); |
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[961] | 94 | pv->SetSpline(splineFlag); |
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[1196] | 95 | for (size_t j=0; j<npoints; j++) { |
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[819] | 96 | G4double dedx = 0.0; |
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| 97 | for (size_t k=0; k<n_processes; k++) { |
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[1196] | 98 | G4PhysicsVector* pv1 = (*(list[k]))[i]; |
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| 99 | dedx += (*pv1)[j]; |
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[819] | 100 | } |
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| 101 | pv->PutValue(j, dedx); |
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| 102 | } |
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[1196] | 103 | if(splineFlag) pv->FillSecondDerivatives(); |
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| 104 | G4PhysicsTableHelper::SetPhysicsVector(dedxTable, i, pv); |
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[819] | 105 | } |
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| 106 | } |
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| 107 | |
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| 108 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 109 | |
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| 110 | void G4LossTableBuilder::BuildRangeTable(const G4PhysicsTable* dedxTable, |
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| 111 | G4PhysicsTable* rangeTable, |
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| 112 | G4bool isIonisation) |
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| 113 | // Build range table from the energy loss table |
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| 114 | { |
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| 115 | size_t n_vectors = dedxTable->length(); |
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| 116 | if(!n_vectors) return; |
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| 117 | |
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| 118 | size_t n = 100; |
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| 119 | G4double del = 1.0/(G4double)n; |
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| 120 | |
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| 121 | for (size_t i=0; i<n_vectors; i++) { |
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| 122 | |
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| 123 | if (rangeTable->GetFlag(i) || !isIonisation) { |
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[1196] | 124 | G4PhysicsLogVector* pv = |
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| 125 | static_cast<G4PhysicsLogVector*>((*dedxTable)[i]); |
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| 126 | size_t npoints = pv->GetVectorLength(); |
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| 127 | size_t bin0 = 0; |
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| 128 | G4double elow = pv->Energy(0); |
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| 129 | G4double ehigh = pv->Energy(npoints-1); |
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| 130 | G4double dedx1 = pv->Value(elow); |
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[819] | 131 | |
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[1055] | 132 | //G4cout << "nbins= " << nbins << " dedx1= " << dedx1 << G4endl; |
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| 133 | |
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[961] | 134 | // protection for specific cases dedx=0 |
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[819] | 135 | if(dedx1 == 0.0) { |
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[1196] | 136 | for (size_t k=1; k<npoints; k++) { |
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[819] | 137 | bin0++; |
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[1196] | 138 | elow = pv->Energy(k); |
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| 139 | dedx1 = (*pv)[k]; |
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[819] | 140 | if(dedx1 > 0.0) break; |
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| 141 | } |
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[1196] | 142 | npoints -= bin0; |
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[819] | 143 | } |
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[1196] | 144 | // G4cout<<"New Range vector" << G4endl; |
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| 145 | // G4cout<<"nbins= "<<npoints-1<<" elow= "<<elow<<" ehigh= "<<ehigh<<G4endl; |
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[961] | 146 | // initialisation of a new vector |
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[1196] | 147 | if(npoints < 2) npoints = 2; |
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| 148 | G4PhysicsLogVector* v; |
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| 149 | if(0 == bin0) { v = new G4PhysicsLogVector(*pv); } |
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| 150 | else { v = new G4PhysicsLogVector(elow, ehigh, npoints-1); } |
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[1055] | 151 | // dedx is exect zero |
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[1196] | 152 | if(2 == npoints) { |
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[1055] | 153 | v->PutValue(0,1000.); |
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| 154 | v->PutValue(1,2000.); |
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| 155 | G4PhysicsTableHelper::SetPhysicsVector(rangeTable, i, v); |
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| 156 | return; |
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| 157 | } |
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[961] | 158 | v->SetSpline(splineFlag); |
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[819] | 159 | |
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[961] | 160 | // assumed dedx proportional to beta |
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[819] | 161 | G4double range = 2.*elow/dedx1; |
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| 162 | v->PutValue(0,range); |
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| 163 | G4double energy1 = elow; |
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| 164 | |
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[1196] | 165 | for (size_t j=1; j<npoints; j++) { |
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[819] | 166 | |
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[1196] | 167 | G4double energy2 = pv->Energy(j+bin0); |
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[819] | 168 | G4double de = (energy2 - energy1) * del; |
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[961] | 169 | G4double energy = energy2 + de*0.5; |
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[1196] | 170 | G4double sum = 0.0; |
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[961] | 171 | for (size_t k=0; k<n; k++) { |
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| 172 | energy -= de; |
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[1196] | 173 | dedx1 = pv->Value(energy); |
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| 174 | if(dedx1 > 0.0) sum += de/dedx1; |
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[961] | 175 | } |
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[1196] | 176 | range += sum; |
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[819] | 177 | // G4cout << "Range i= " <<i << " j= " << j << G4endl; |
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| 178 | v->PutValue(j,range); |
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| 179 | energy1 = energy2; |
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| 180 | } |
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[1196] | 181 | if(splineFlag) v->FillSecondDerivatives(); |
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[819] | 182 | G4PhysicsTableHelper::SetPhysicsVector(rangeTable, i, v); |
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| 183 | } |
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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 G4LossTableBuilder::BuildInverseRangeTable(const G4PhysicsTable* rangeTable, |
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| 190 | G4PhysicsTable* invRangeTable, |
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| 191 | G4bool isIonisation) |
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| 192 | // Build inverse range table from the energy loss table |
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| 193 | { |
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| 194 | size_t n_vectors = rangeTable->length(); |
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| 195 | if(!n_vectors) return; |
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| 196 | |
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| 197 | for (size_t i=0; i<n_vectors; i++) { |
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| 198 | |
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| 199 | if (invRangeTable->GetFlag(i) || !isIonisation) { |
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| 200 | G4PhysicsVector* pv = (*rangeTable)[i]; |
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[1196] | 201 | size_t npoints = pv->GetVectorLength(); |
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| 202 | G4double rlow = (*pv)[0]; |
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| 203 | G4double rhigh = (*pv)[npoints-1]; |
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[819] | 204 | |
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[1196] | 205 | G4LPhysicsFreeVector* v = new G4LPhysicsFreeVector(npoints,rlow,rhigh); |
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[961] | 206 | v->SetSpline(splineFlag); |
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| 207 | |
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[1196] | 208 | for (size_t j=0; j<npoints; j++) { |
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| 209 | G4double e = pv->Energy(j); |
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| 210 | G4double r = (*pv)[j]; |
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[819] | 211 | v->PutValues(j,r,e); |
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| 212 | } |
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[1196] | 213 | if(splineFlag) v->FillSecondDerivatives(); |
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[819] | 214 | |
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| 215 | G4PhysicsTableHelper::SetPhysicsVector(invRangeTable, i, v); |
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| 216 | } |
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| 217 | } |
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| 218 | } |
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| 219 | |
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| 220 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 221 | |
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