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: G4EMDataSet.cc,v 1.12 2006/06/29 19:39:44 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-01-patch-02 $ |
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29 | // |
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30 | // Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch) |
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31 | // |
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32 | // History: |
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33 | // ----------- |
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34 | // 31 Jul 2001 MGP Created |
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35 | // |
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36 | // ------------------------------------------------------------------- |
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37 | |
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38 | #include "G4EMDataSet.hh" |
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39 | #include "G4VDataSetAlgorithm.hh" |
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40 | #include <fstream> |
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41 | #include <sstream> |
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42 | |
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43 | G4EMDataSet :: G4EMDataSet(G4int argZ, G4VDataSetAlgorithm * argAlgorithm, G4double argUnitEnergies, G4double argUnitData) |
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44 | : |
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45 | z(argZ), |
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46 | energies(0), |
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47 | data(0), |
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48 | algorithm(argAlgorithm), |
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49 | unitEnergies(argUnitEnergies), |
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50 | unitData(argUnitData) |
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51 | { |
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52 | if (algorithm == 0) |
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53 | G4Exception("G4EMDataSet::G4EMDataSet - interpolation == 0"); |
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54 | } |
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55 | |
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56 | |
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57 | |
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58 | G4EMDataSet :: G4EMDataSet(G4int argZ, G4DataVector * argEnergies, G4DataVector * argData, G4VDataSetAlgorithm * argAlgorithm, G4double argUnitEnergies, G4double argUnitData) |
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59 | : |
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60 | z(argZ), |
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61 | energies(argEnergies), |
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62 | data(argData), |
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63 | algorithm(argAlgorithm), |
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64 | unitEnergies(argUnitEnergies), |
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65 | unitData(argUnitData) |
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66 | { |
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67 | if (algorithm==0) |
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68 | G4Exception("G4EMDataSet::G4EMDataSet - interpolation == 0"); |
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69 | |
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70 | if ((energies==0) ^ (data==0)) |
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71 | G4Exception("G4EMDataSet::G4EMDataSet - different size for energies and data (zero case)"); |
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72 | |
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73 | if (energies==0) |
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74 | return; |
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75 | |
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76 | if (energies->size()!=data->size()) |
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77 | G4Exception("G4EMDataSet::G4EMDataSet - different size for energies and data"); |
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78 | } |
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79 | |
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80 | |
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81 | |
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82 | G4EMDataSet :: ~G4EMDataSet() |
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83 | { |
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84 | delete algorithm; |
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85 | |
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86 | if (energies) |
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87 | delete energies; |
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88 | |
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89 | if (data) |
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90 | delete data; |
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91 | } |
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92 | |
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93 | |
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94 | |
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95 | |
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96 | |
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97 | G4double G4EMDataSet :: FindValue(G4double argEnergy, G4int /* argComponentId */) const |
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98 | { |
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99 | if (!energies) |
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100 | G4Exception("G4EMDataSet::FindValue - energies == 0"); |
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101 | |
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102 | if (energies->empty()) |
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103 | return 0; |
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104 | |
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105 | if (argEnergy <= (*energies)[0]) |
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106 | return (*data)[0]; |
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107 | |
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108 | size_t i(energies->size()-1); |
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109 | |
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110 | if (argEnergy >= (*energies)[i]) |
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111 | return (*data)[i]; |
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112 | |
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113 | return algorithm->Calculate(argEnergy, FindLowerBound(argEnergy), *energies, *data); |
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114 | } |
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115 | |
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116 | |
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117 | |
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118 | |
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119 | |
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120 | void G4EMDataSet :: PrintData(void) const |
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121 | { |
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122 | if (!energies) |
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123 | { |
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124 | G4cout << "Data not available." << G4endl; |
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125 | return; |
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126 | } |
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127 | |
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128 | size_t size = energies->size(); |
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129 | |
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130 | for (size_t i(0); i<size; i++) |
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131 | G4cout << "Point: " << ((*energies)[i]/unitEnergies) |
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132 | << " - Data value : " << ((*data)[i]/unitData) << G4endl; |
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133 | } |
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134 | |
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135 | |
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136 | |
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137 | |
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138 | |
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139 | void G4EMDataSet :: SetEnergiesData(G4DataVector * argEnergies, G4DataVector * argData, G4int /* argComponentId */) |
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140 | { |
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141 | if (energies) |
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142 | delete energies; |
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143 | energies=argEnergies; |
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144 | |
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145 | if (data) |
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146 | delete data; |
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147 | data=argData; |
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148 | |
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149 | if ((energies==0) ^ (data==0)) |
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150 | G4Exception("G4EMDataSet::SetEnergiesData - different size for energies and data (zero case)"); |
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151 | |
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152 | if (energies==0) |
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153 | return; |
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154 | |
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155 | if (energies->size()!=data->size()) |
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156 | G4Exception("G4EMDataSet::SetEnergiesData - different size for energies and data"); |
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157 | } |
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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 | |
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163 | G4bool G4EMDataSet :: LoadData(const G4String & argFileName) |
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164 | { |
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165 | // The file is organized into two columns: |
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166 | // 1st column is the energy |
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167 | // 2nd column is the corresponding value |
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168 | // The file terminates with the pattern: -1 -1 |
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169 | // -2 -2 |
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170 | |
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171 | G4String fullFileName(FullFileName(argFileName)); |
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172 | std::ifstream in(fullFileName); |
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173 | |
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174 | if (!in.is_open()) |
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175 | { |
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176 | G4String message("G4EMDataSet::LoadData - data file \""); |
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177 | message+=fullFileName; |
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178 | message+="\" not found"; |
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179 | G4Exception(message); |
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180 | } |
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181 | |
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182 | G4DataVector * argEnergies=new G4DataVector; |
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183 | G4DataVector * argData=new G4DataVector; |
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184 | |
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185 | G4double a; |
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186 | bool energyColumn(true); |
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187 | |
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188 | do |
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189 | { |
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190 | in >> a; |
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191 | |
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192 | if (a!=-1 && a!=-2) |
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193 | { |
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194 | if (energyColumn) |
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195 | argEnergies->push_back(a*unitEnergies); |
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196 | else |
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197 | argData->push_back(a*unitData); |
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198 | energyColumn=(!energyColumn); |
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199 | } |
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200 | } |
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201 | while (a != -2); |
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202 | |
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203 | SetEnergiesData(argEnergies, argData, 0); |
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204 | |
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205 | return true; |
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206 | } |
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207 | |
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208 | |
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209 | |
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210 | G4bool G4EMDataSet :: SaveData(const G4String & argFileName) const |
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211 | { |
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212 | // The file is organized into two columns: |
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213 | // 1st column is the energy |
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214 | // 2nd column is the corresponding value |
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215 | // The file terminates with the pattern: -1 -1 |
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216 | // -2 -2 |
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217 | |
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218 | G4String fullFileName(FullFileName(argFileName)); |
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219 | std::ofstream out(fullFileName); |
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220 | |
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221 | if (!out.is_open()) |
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222 | { |
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223 | G4String message("G4EMDataSet::SaveData - cannot open \""); |
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224 | message+=fullFileName; |
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225 | message+="\""; |
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226 | G4Exception(message); |
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227 | } |
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228 | |
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229 | out.precision(10); |
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230 | out.width(15); |
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231 | out.setf(std::ofstream::left); |
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232 | |
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233 | if (energies!=0 && data!=0) |
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234 | { |
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235 | G4DataVector::const_iterator i(energies->begin()); |
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236 | G4DataVector::const_iterator endI(energies->end()); |
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237 | G4DataVector::const_iterator j(data->begin()); |
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238 | |
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239 | while (i!=endI) |
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240 | { |
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241 | out.precision(10); |
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242 | out.width(15); |
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243 | out.setf(std::ofstream::left); |
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244 | out << ((*i)/unitEnergies) << ' '; |
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245 | |
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246 | out.precision(10); |
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247 | out.width(15); |
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248 | out.setf(std::ofstream::left); |
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249 | out << ((*j)/unitData) << std::endl; |
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250 | |
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251 | i++; |
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252 | j++; |
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253 | } |
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254 | } |
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255 | |
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256 | out.precision(10); |
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257 | out.width(15); |
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258 | out.setf(std::ofstream::left); |
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259 | out << -1.f << ' '; |
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260 | |
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261 | out.precision(10); |
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262 | out.width(15); |
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263 | out.setf(std::ofstream::left); |
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264 | out << -1.f << std::endl; |
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265 | |
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266 | out.precision(10); |
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267 | out.width(15); |
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268 | out.setf(std::ofstream::left); |
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269 | out << -2.f << ' '; |
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270 | |
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271 | out.precision(10); |
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272 | out.width(15); |
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273 | out.setf(std::ofstream::left); |
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274 | out << -2.f << std::endl; |
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275 | |
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276 | return true; |
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277 | } |
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278 | |
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279 | |
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280 | |
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281 | |
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282 | |
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283 | size_t G4EMDataSet :: FindLowerBound(G4double argEnergy) const |
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284 | { |
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285 | size_t lowerBound(0); |
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286 | size_t upperBound(energies->size() - 1); |
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287 | |
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288 | while (lowerBound <= upperBound) |
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289 | { |
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290 | size_t midBin((lowerBound + upperBound)/2); |
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291 | |
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292 | if (argEnergy < (*energies)[midBin]) |
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293 | upperBound = midBin-1; |
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294 | else |
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295 | lowerBound = midBin+1; |
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296 | } |
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297 | |
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298 | return upperBound; |
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299 | } |
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300 | |
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301 | |
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302 | |
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303 | |
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304 | |
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305 | G4String G4EMDataSet :: FullFileName(const G4String & argFileName) const |
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306 | { |
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307 | char* path = getenv("G4LEDATA"); |
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308 | if (!path) |
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309 | G4Exception("G4EMDataSet::FullFileName - G4LEDATA environment variable not set"); |
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310 | |
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311 | std::ostringstream fullFileName; |
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312 | |
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313 | fullFileName << path << '/' << argFileName << z << ".dat"; |
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314 | |
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315 | return G4String(fullFileName.str().c_str()); |
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316 | } |
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