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: G4MaterialPropertiesTable.cc,v 1.20 2008/06/05 23:38:34 gum Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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29 | // |
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30 | // |
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31 | //////////////////////////////////////////////////////////////////////// |
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32 | // G4MaterialPropertiesTable Implementation |
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33 | //////////////////////////////////////////////////////////////////////// |
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34 | // |
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35 | // File: G4MaterialPropertiesTable.cc |
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36 | // Version: 1.0 |
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37 | // Created: 1996-02-08 |
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38 | // Author: Juliet Armstrong |
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39 | // Updated: 2005-05-12 add SetGROUPVEL(), courtesy of |
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40 | // Horton-Smith (bug report #741), by P. Gumplinger |
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41 | // 2002-11-05 add named material constants by P. Gumplinger |
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42 | // 1999-11-05 Migration from G4RWTPtrHashDictionary to STL |
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43 | // by John Allison |
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44 | // 1997-03-26 by Peter Gumplinger |
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45 | // > cosmetics (only) |
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46 | // mail: gum@triumf.ca |
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47 | // |
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48 | //////////////////////////////////////////////////////////////////////// |
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49 | |
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50 | #include "globals.hh" |
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51 | #include "G4MaterialPropertiesTable.hh" |
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52 | |
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53 | ///////////////// |
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54 | // Constructors |
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55 | ///////////////// |
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56 | |
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57 | G4MaterialPropertiesTable::G4MaterialPropertiesTable() {} |
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58 | |
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59 | //////////////// |
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60 | // Destructors |
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61 | //////////////// |
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62 | |
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63 | G4MaterialPropertiesTable::~G4MaterialPropertiesTable() |
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64 | { |
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65 | MPTiterator i; |
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66 | for (i = MPT.begin(); i != MPT.end(); ++i) { |
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67 | delete (*i).second; |
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68 | } |
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69 | MPT.clear(); |
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70 | MPTC.clear(); |
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71 | } |
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72 | |
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73 | //////////// |
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74 | // Methods |
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75 | //////////// |
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76 | |
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77 | void G4MaterialPropertiesTable::AddConstProperty(const char *key, |
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78 | G4double PropertyValue) |
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79 | { |
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80 | // Provides a way of adding a constant property to the Mataerial Properties |
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81 | // Table given a key |
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82 | |
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83 | MPTC [G4String(key)] = PropertyValue; |
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84 | |
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85 | } |
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86 | |
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87 | void G4MaterialPropertiesTable::AddProperty(const char *key, |
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88 | G4double *PhotonEnergies, |
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89 | G4double *PropertyValues, |
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90 | G4int NumEntries) |
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91 | { |
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92 | // Privides a way of adding a property to the Material Properties |
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93 | // Table given a pair of numbers and a key |
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94 | |
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95 | G4MaterialPropertyVector *mpv = |
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96 | new G4MaterialPropertyVector(PhotonEnergies, |
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97 | PropertyValues, |
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98 | NumEntries); |
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99 | MPT [G4String(key)] = mpv; |
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100 | } |
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101 | |
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102 | void G4MaterialPropertiesTable::AddProperty(const char *key, |
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103 | G4MaterialPropertyVector *mpv) |
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104 | { |
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105 | // Provides a way of adding a property to the Material Properties |
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106 | // Table given an G4MaterialPropertyVector Reference and a key |
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107 | |
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108 | MPT [G4String(key)] = mpv; |
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109 | } |
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110 | |
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111 | void G4MaterialPropertiesTable::RemoveConstProperty(const char *key) |
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112 | { |
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113 | MPTC.erase(G4String(key)); |
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114 | } |
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115 | |
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116 | void G4MaterialPropertiesTable::RemoveProperty(const char *key) |
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117 | { |
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118 | MPT.erase(G4String(key)); |
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119 | } |
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120 | |
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121 | G4double G4MaterialPropertiesTable::GetConstProperty(const char *key) |
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122 | { |
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123 | // Returns the constant material property corresponding to a key |
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124 | |
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125 | MPTCiterator j; |
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126 | j = MPTC.find(G4String(key)); |
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127 | if ( j != MPTC.end() ) { |
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128 | return j->second; |
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129 | } |
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130 | else { |
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131 | G4Exception("G4MaterialPropertiesTable::GetConstProperty ==> " |
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132 | "Constant Material Property not found."); |
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133 | return G4double(0.0); |
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134 | } |
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135 | } |
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136 | |
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137 | G4bool G4MaterialPropertiesTable::ConstPropertyExists(const char *key) |
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138 | { |
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139 | // Return true if a const property 'key' exists |
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140 | |
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141 | MPTCiterator j; |
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142 | j = MPTC.find(G4String(key)); |
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143 | if ( j != MPTC.end() ) { |
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144 | return true; |
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145 | } |
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146 | else { |
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147 | return false; |
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148 | } |
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149 | } |
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150 | |
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151 | G4MaterialPropertyVector* G4MaterialPropertiesTable::GetProperty(const char *key) |
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152 | { |
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153 | // Returns a Material Property Vector corresponding to a key |
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154 | |
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155 | if(MPT[G4String(key)] != 0) { |
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156 | return MPT[G4String(key)]; |
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157 | }else{ |
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158 | if(G4String(key) == "GROUPVEL") { |
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159 | return SetGROUPVEL(); |
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160 | }else{ |
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161 | return MPT[G4String(key)]; |
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162 | } |
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163 | } |
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164 | } |
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165 | |
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166 | void G4MaterialPropertiesTable::AddEntry(const char *key, |
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167 | G4double aPhotonEnergy, |
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168 | G4double aPropertyValue) |
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169 | |
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170 | // Allows to add an entry pair directly to the Material Property Vector |
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171 | // given a key |
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172 | |
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173 | { |
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174 | G4MaterialPropertyVector *targetVector=MPT [G4String(key)]; |
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175 | if (targetVector != 0) { |
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176 | targetVector->AddElement(aPhotonEnergy, aPropertyValue); |
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177 | } |
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178 | else { |
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179 | G4Exception("G4MaterialPropertiesTable::AddEntry ==> " |
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180 | "Material Property Vector not found."); |
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181 | } |
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182 | } |
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183 | |
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184 | void G4MaterialPropertiesTable::RemoveEntry(const char *key, |
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185 | G4double aPhotonEnergy) |
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186 | { |
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187 | // Allows to remove an entry pair directly from the Material Property Vector |
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188 | // given a key |
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189 | |
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190 | G4MaterialPropertyVector *targetVector=MPT [G4String(key)]; |
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191 | if (targetVector) { |
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192 | targetVector->RemoveElement(aPhotonEnergy); |
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193 | } |
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194 | else { |
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195 | G4Exception("G4MaterialPropertiesTable::RemoveEntry ==> " |
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196 | "Material Property Vector not found."); |
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197 | } |
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198 | } |
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199 | void G4MaterialPropertiesTable::DumpTable() |
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200 | { |
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201 | MPTiterator i; |
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202 | for (i = MPT.begin(); i != MPT.end(); ++i) { |
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203 | G4cout << (*i).first << G4endl; |
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204 | if ( (*i).second != 0 ) { |
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205 | (*i).second->DumpVector(); |
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206 | } |
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207 | else { |
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208 | G4cout << "NULL Material Property Vector Pointer." << G4endl; |
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209 | } |
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210 | } |
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211 | MPTCiterator j; |
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212 | for (j = MPTC.begin(); j != MPTC.end(); ++j) { |
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213 | G4cout << j->first << G4endl; |
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214 | if ( j->second != 0 ) { |
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215 | G4cout << j->second << G4endl; |
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216 | } |
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217 | else { |
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218 | G4cout << "No Material Constant Property." << G4endl; |
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219 | } |
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220 | } |
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221 | |
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222 | } |
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223 | G4MaterialPropertyVector* G4MaterialPropertiesTable::SetGROUPVEL() |
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224 | { |
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225 | // fetch RINDEX data, give up if unavailable |
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226 | G4MaterialPropertyVector *rindex = this->GetProperty("RINDEX"); |
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227 | if (rindex==0) return NULL; |
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228 | |
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229 | rindex->ResetIterator(); |
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230 | // RINDEX exists but has no entries, give up |
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231 | if ( (++*rindex) == false ) return NULL; |
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232 | |
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233 | // add GROUPVEL vector |
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234 | G4MaterialPropertyVector* groupvel = new G4MaterialPropertyVector(); |
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235 | |
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236 | this->AddProperty( "GROUPVEL", groupvel ); |
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237 | |
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238 | // fill GROUPVEL vector using RINDEX values |
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239 | // rindex built-in "iterator" was advanced to first entry above |
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240 | G4double E0 = rindex->GetPhotonEnergy(); |
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241 | G4double n0 = rindex->GetProperty(); |
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242 | |
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243 | if (E0 <= 0. ) G4Exception("G4MaterialPropertiesTable::SetGROUPVEL ==> " |
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244 | "Optical Photon Energy <= 0"); |
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245 | |
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246 | if ( ++*rindex ) { |
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247 | // good, we have at least two entries in RINDEX |
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248 | // get next energy/value pair |
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249 | G4double E1 = rindex->GetPhotonEnergy(); |
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250 | G4double n1 = rindex->GetProperty(); |
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251 | |
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252 | if (E1 <= 0. ) G4Exception("G4MaterialPropertiesTable::SetGROUPVEL ==> " |
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253 | "Optical Photon Energy <= 0"); |
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254 | G4double vg; |
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255 | // add entry at first photon energy |
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256 | vg = c_light/(n0+(n1-n0)/std::log(E1/E0)); |
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257 | // allow only for 'normal dispersion' -> dn/d(logE) > 0 |
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258 | if(vg<0 || vg>c_light/n0)vg = c_light/n0; |
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259 | groupvel->AddElement( E0, vg ); |
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260 | // add entries at midpoints between remaining photon energies |
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261 | while(1) { |
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262 | vg = c_light/( 0.5*(n0+n1)+(n1-n0)/std::log(E1/E0)); |
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263 | // allow only for 'normal dispersion' -> dn/d(logE) > 0 |
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264 | if(vg<0 || vg>c_light/(0.5*(n0+n1)))vg = c_light/(0.5*(n0+n1)); |
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265 | groupvel->AddElement( 0.5*(E0+E1), vg ); |
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266 | // get next energy/value pair, or exit loop |
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267 | if (!(++*rindex)) break; |
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268 | E0 = E1; |
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269 | n0 = n1; |
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270 | E1 = rindex->GetPhotonEnergy(); |
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271 | n1 = rindex->GetProperty(); |
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272 | |
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273 | if (E1 <= 0. ) G4Exception("G4MaterialPropertiesTable::SetGROUPVEL ==> " |
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274 | "Optical Photon Energy <= 0"); |
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275 | } |
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276 | // add entry at last photon energy |
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277 | vg = c_light/(n1+(n1-n0)/std::log(E1/E0)); |
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278 | // allow only for 'normal dispersion' -> dn/d(logE) > 0 |
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279 | if(vg<0 || vg>c_light/n1)vg = c_light/n1; |
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280 | groupvel->AddElement( E1, vg ); |
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281 | }else{ |
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282 | // only one entry in RINDEX -- weird! |
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283 | groupvel->AddElement( E0, c_light/n0 ); |
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284 | } |
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285 | |
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286 | return groupvel; |
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287 | } |
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