[807] | 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 | // |
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| 27 | // $Id: XrayFluoDAtaSet.cc |
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| 28 | // GEANT4 tag $Name: xray_fluo-V03-02-00 |
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| 29 | // |
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| 30 | // Author: Elena Guardincerri (Elena.Guardincerri@ge.infn.it) |
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| 31 | // |
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| 32 | // History: |
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| 33 | // ----------- |
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| 34 | // 28 Nov 2001 Elena Guardincerri Created |
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| 35 | // |
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| 36 | // ------------------------------------------------------------------- |
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| 37 | |
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| 38 | #include "XrayFluoDataSet.hh" |
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| 39 | #include <fstream> |
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| 40 | #include "G4VDataSetAlgorithm.hh" |
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| 41 | |
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| 42 | XrayFluoDataSet::XrayFluoDataSet(G4int Z, |
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| 43 | G4DataVector* points, |
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| 44 | G4DataVector* values, |
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| 45 | const G4VDataSetAlgorithm* interpolation, |
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| 46 | G4double unitE, G4double unitData) |
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| 47 | :z(Z), energies(points), data(values), algorithm(interpolation) |
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| 48 | { |
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| 49 | numberOfBins = energies->size(); |
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| 50 | unit1 = unitE; |
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| 51 | unit2 = unitData; |
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| 52 | |
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| 53 | G4cout << "XrayFluo FluoDataSet created" << G4endl; |
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| 54 | } |
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| 55 | |
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| 56 | XrayFluoDataSet:: XrayFluoDataSet(G4int Z, |
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| 57 | const G4String& dataFile, |
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| 58 | const G4VDataSetAlgorithm* interpolation, |
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| 59 | G4double unitE, G4double unitData) |
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| 60 | :z(Z), algorithm(interpolation) |
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| 61 | { |
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| 62 | energies = new G4DataVector; |
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| 63 | data = new G4DataVector; |
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| 64 | unit1 = unitE; |
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| 65 | unit2 = unitData; |
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| 66 | LoadData(dataFile); |
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| 67 | numberOfBins = energies->size(); |
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| 68 | |
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| 69 | G4cout << "XrayFluo FluoDataSet created" << G4endl; |
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| 70 | |
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| 71 | } |
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| 72 | |
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| 73 | |
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| 74 | // Destructor |
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| 75 | |
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| 76 | XrayFluoDataSet::~XrayFluoDataSet() |
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| 77 | { |
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| 78 | delete energies; |
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| 79 | delete data; |
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| 80 | G4cout << "XrayFluo FluoDataSet deleted" << G4endl; |
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| 81 | } |
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| 82 | |
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| 83 | |
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| 84 | G4double XrayFluoDataSet::FindValue(G4double e, G4int) const |
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| 85 | { |
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| 86 | G4double value; |
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| 87 | G4double e0 = (*energies)[0]; |
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| 88 | // Protections |
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| 89 | size_t bin = FindBinLocation(e); |
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| 90 | if (bin == numberOfBins) |
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| 91 | { |
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| 92 | |
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| 93 | value = (*data)[bin]; |
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| 94 | } |
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| 95 | else if (e <= e0) |
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| 96 | { |
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| 97 | |
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| 98 | value = (*data)[0]; |
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| 99 | } |
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| 100 | else |
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| 101 | { |
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| 102 | value = algorithm->Calculate(e,bin,*energies,*data); |
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| 103 | } |
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| 104 | |
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| 105 | return value; |
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| 106 | } |
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| 107 | |
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| 108 | G4int XrayFluoDataSet::FindBinLocation(G4double energy) const |
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| 109 | { |
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| 110 | // Protection against call outside allowed range |
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| 111 | G4double e0 = (*energies)[0]; |
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| 112 | if (energy < e0) |
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| 113 | { |
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| 114 | |
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| 115 | energy = e0; |
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| 116 | } |
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| 117 | |
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| 118 | size_t lowerBound = 0; |
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| 119 | size_t upperBound = numberOfBins - 1; |
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| 120 | |
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| 121 | // Binary search |
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| 122 | while (lowerBound <= upperBound) |
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| 123 | { |
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| 124 | size_t midBin = (lowerBound + upperBound)/2; |
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| 125 | if ( energy < (*energies)[midBin] ) upperBound = midBin-1; |
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| 126 | else lowerBound = midBin+1; |
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| 127 | } |
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| 128 | |
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| 129 | return upperBound; |
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| 130 | } |
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| 131 | |
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| 132 | |
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[1230] | 133 | G4bool XrayFluoDataSet::LoadData(const G4String& fileName) { |
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| 134 | |
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[807] | 135 | // Build the complete string identifying the file with the data set |
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| 136 | |
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| 137 | |
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| 138 | G4String dirFile = ""; |
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| 139 | |
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| 140 | char* path; |
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| 141 | |
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| 142 | #ifndef XRAYDATA |
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| 143 | #define XRAYDATA PWD |
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| 144 | #endif |
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| 145 | |
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| 146 | path = getenv("XRAYDATA"); |
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| 147 | |
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| 148 | G4cout << path << G4endl; |
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| 149 | G4cout << fileName << G4endl; |
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| 150 | |
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| 151 | |
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| 152 | G4String pathString(path); |
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| 153 | dirFile = pathString + "/" + fileName + ".dat"; |
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| 154 | |
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| 155 | std::ifstream file(dirFile); |
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| 156 | std::filebuf* lsdp = file.rdbuf(); |
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| 157 | |
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| 158 | if (! (lsdp->is_open()) ) |
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| 159 | { |
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| 160 | G4String excep = "XrayFluoDataSet - data file: " + dirFile + " not found"; |
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| 161 | G4Exception(excep); |
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| 162 | } |
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| 163 | G4double a = 0; |
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| 164 | G4int k = 1; |
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| 165 | |
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| 166 | do |
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| 167 | { |
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| 168 | file >> a; |
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| 169 | G4int nColumns = 2; |
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| 170 | // The file is organized into two columns: |
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| 171 | // 1st column is the energy |
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| 172 | // 2nd column is the corresponding value |
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| 173 | // The file terminates with the pattern: -1 -1 |
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| 174 | // -2 -2 |
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| 175 | if (a == -1 || a == -2) |
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| 176 | { |
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| 177 | |
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| 178 | } |
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| 179 | else |
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| 180 | { |
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| 181 | if (k%nColumns != 0) |
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| 182 | { |
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| 183 | G4double e = a * unit1; |
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| 184 | energies->push_back(e); |
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| 185 | |
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| 186 | k++; |
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| 187 | |
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| 188 | } |
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| 189 | else if (k%nColumns == 0) |
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| 190 | { |
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| 191 | G4double value = a * unit2; |
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| 192 | data->push_back(value); |
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| 193 | |
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| 194 | k = 1; |
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| 195 | } |
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| 196 | } |
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| 197 | |
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| 198 | } while (a != -2); // end of file |
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| 199 | |
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| 200 | file.close(); |
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[1230] | 201 | return true; |
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[807] | 202 | } |
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| 203 | void XrayFluoDataSet::PrintData() const |
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| 204 | { |
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| 205 | size_t size = numberOfBins; |
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| 206 | for (size_t i=0; i<size; i++) |
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| 207 | { |
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| 208 | G4double e = (*energies)[i] / unit1; |
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| 209 | G4double sigma = (*data)[i] / unit2 ; |
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| 210 | G4cout << "Point: " |
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| 211 | << e |
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| 212 | << " - Data value : " |
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| 213 | << sigma |
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| 214 | << G4endl; |
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| 215 | } |
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| 216 | } |
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| 217 | |
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| 218 | |
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| 219 | |
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