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 1.21 2009/04/21 15:35:45 gcosmo Exp $ |
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28 | // GEANT4 tag $Name: materials-V09-02-18 $ |
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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 | |
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61 | //////////////// |
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62 | // Destructor |
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63 | //////////////// |
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64 | |
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65 | G4MaterialPropertiesTable::~G4MaterialPropertiesTable() |
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66 | { |
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67 | MPTiterator i; |
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68 | for (i = MPT.begin(); i != MPT.end(); ++i) |
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69 | { |
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70 | delete (*i).second; |
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71 | } |
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72 | MPT.clear(); |
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73 | MPTC.clear(); |
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74 | } |
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75 | |
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76 | //////////// |
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77 | // Methods |
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78 | //////////// |
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79 | |
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80 | void G4MaterialPropertiesTable::DumpTable() |
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81 | { |
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82 | MPTiterator i; |
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83 | for (i = MPT.begin(); i != MPT.end(); ++i) |
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84 | { |
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85 | G4cout << (*i).first << G4endl; |
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86 | if ( (*i).second != 0 ) |
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87 | { |
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88 | (*i).second->DumpVector(); |
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89 | } |
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90 | else |
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91 | { |
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92 | G4Exception("G4MaterialPropertiesTable::DumpTable()", "NullVector", |
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93 | JustWarning, "NULL Material Property Vector Pointer."); |
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94 | } |
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95 | } |
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96 | MPTCiterator j; |
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97 | for (j = MPTC.begin(); j != MPTC.end(); ++j) |
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98 | { |
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99 | G4cout << j->first << G4endl; |
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100 | if ( j->second != 0 ) |
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101 | { |
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102 | G4cout << j->second << G4endl; |
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103 | } |
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104 | else |
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105 | { |
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106 | G4Exception("G4MaterialPropertiesTable::DumpTable()", "NotFound", |
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107 | JustWarning, "No Material Constant Property."); |
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108 | } |
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109 | } |
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110 | } |
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111 | |
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112 | G4MaterialPropertyVector* G4MaterialPropertiesTable::SetGROUPVEL() |
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113 | { |
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114 | // fetch RINDEX data, give up if unavailable |
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115 | // |
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116 | G4MaterialPropertyVector *rindex = this->GetProperty("RINDEX"); |
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117 | if (rindex==0) { return 0; } |
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118 | rindex->ResetIterator(); |
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119 | |
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120 | // RINDEX exists but has no entries, give up |
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121 | // |
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122 | if ( (++*rindex) == false ) { return 0; } |
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123 | |
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124 | // add GROUPVEL vector |
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125 | // |
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126 | G4MaterialPropertyVector* groupvel = new G4MaterialPropertyVector(); |
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127 | |
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128 | this->AddProperty( "GROUPVEL", groupvel ); |
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129 | |
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130 | // fill GROUPVEL vector using RINDEX values |
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131 | // rindex built-in "iterator" was advanced to first entry above |
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132 | // |
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133 | G4double E0 = rindex->GetPhotonEnergy(); |
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134 | G4double n0 = rindex->GetProperty(); |
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135 | |
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136 | if (E0 <= 0.) |
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137 | { |
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138 | G4Exception("G4MaterialPropertiesTable::SetGROUPVEL()", "ZeroEnergy", |
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139 | FatalException, "Optical Photon Energy <= 0"); |
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140 | } |
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141 | |
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142 | if ( ++*rindex ) |
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143 | { |
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144 | // good, we have at least two entries in RINDEX |
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145 | // get next energy/value pair |
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146 | |
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147 | G4double E1 = rindex->GetPhotonEnergy(); |
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148 | G4double n1 = rindex->GetProperty(); |
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149 | |
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150 | if (E1 <= 0.) |
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151 | { |
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152 | G4Exception("G4MaterialPropertiesTable::SetGROUPVEL()", "ZeroEnergy", |
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153 | FatalException, "Optical Photon Energy <= 0"); |
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154 | } |
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155 | |
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156 | G4double vg; |
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157 | |
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158 | // add entry at first photon energy |
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159 | // |
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160 | vg = c_light/(n0+(n1-n0)/std::log(E1/E0)); |
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161 | |
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162 | // allow only for 'normal dispersion' -> dn/d(logE) > 0 |
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163 | // |
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164 | if((vg<0) || (vg>c_light/n0)) { vg = c_light/n0; } |
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165 | |
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166 | groupvel->AddElement( E0, vg ); |
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167 | |
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168 | // add entries at midpoints between remaining photon energies |
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169 | // |
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170 | while(1) |
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171 | { |
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172 | vg = c_light/( 0.5*(n0+n1)+(n1-n0)/std::log(E1/E0)); |
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173 | |
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174 | // allow only for 'normal dispersion' -> dn/d(logE) > 0 |
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175 | // |
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176 | if((vg<0) || (vg>c_light/(0.5*(n0+n1)))) { vg = c_light/(0.5*(n0+n1)); } |
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177 | groupvel->AddElement( 0.5*(E0+E1), vg ); |
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178 | |
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179 | // get next energy/value pair, or exit loop |
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180 | // |
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181 | if (!(++*rindex)) { break; } |
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182 | E0 = E1; |
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183 | n0 = n1; |
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184 | E1 = rindex->GetPhotonEnergy(); |
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185 | n1 = rindex->GetProperty(); |
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186 | |
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187 | if (E1 <= 0.) |
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188 | { |
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189 | G4Exception("G4MaterialPropertiesTable::SetGROUPVEL()", "ZeroEnergy", |
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190 | FatalException, "Optical Photon Energy <= 0"); |
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191 | } |
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192 | } |
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193 | |
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194 | // add entry at last photon energy |
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195 | // |
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196 | vg = c_light/(n1+(n1-n0)/std::log(E1/E0)); |
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197 | |
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198 | // allow only for 'normal dispersion' -> dn/d(logE) > 0 |
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199 | // |
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200 | if((vg<0) || (vg>c_light/n1)) { vg = c_light/n1; } |
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201 | groupvel->AddElement( E1, vg ); |
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202 | } |
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203 | else // only one entry in RINDEX -- weird! |
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204 | { |
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205 | groupvel->AddElement( E0, c_light/n0 ); |
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206 | } |
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207 | |
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208 | return groupvel; |
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209 | } |
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