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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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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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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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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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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 | // Rich advanced example for Geant4 |
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27 | // AerogelRefData.cc for Rich of LHCb |
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28 | // History: |
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29 | // Created: Sajan Easo (Sajan.Easo@cern.ch) |
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30 | // Revision and changes: Patricia Mendez (Patricia.Mendez@cern.ch) |
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31 | ///////////////////////////////////////////////////////////////////////////// |
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32 | #include <iostream> |
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33 | #include <fstream> |
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34 | #include "AerogelRefData.hh" |
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35 | #include "RichTbGeometryParameters.hh" |
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36 | #include "RichTbMaterialParameters.hh" |
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37 | AerogelRefData::AerogelRefData(G4String AgelRefIndFile) |
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38 | :NumberOfRefIndBins(NumAerogelRefIndexPhotonEnergyBins), |
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39 | StdAerogelRefphotE(std::vector<G4double>(NumAerogelRefIndexPhotonEnergyBins)), |
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40 | StdAerogelRefIndexValue(std::vector<G4double>(NumAerogelRefIndexPhotonEnergyBins)), |
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41 | AerogelRefIndShift(std::vector<G4double>( MaxNumberOfAerogelTypes)), |
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42 | AerogelWavelengthRef(std::vector<G4double>( MaxNumberOfAerogelTypes)) { |
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43 | |
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44 | AerogelRefIndexFileName=AgelRefIndFile; |
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45 | |
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46 | StdAerogelNominalRefractiveIndex= StdAerogelNominalRefIndex; |
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47 | |
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48 | ReadStdAerogelRefIndex(); |
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49 | G4double AerogelRefEnergy,AerogelReferenceRefInd; |
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50 | for(G4int ityp=0; ityp< MaxNumberOfAerogelTypes; ityp++ ){ |
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51 | AerogelWavelengthRef[ityp]=AerogelReferenceRefIndWavelength[ityp]; |
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52 | AerogelRefEnergy= |
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53 | (PhotMomWaveConv/(AerogelWavelengthRef[ityp]/nanometer))*eV; |
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54 | |
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55 | AerogelReferenceRefInd = GetStdAgelRefIndexE(AerogelRefEnergy); |
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56 | AerogelRefIndShift[ityp] = AerogelReferenceRefInd - |
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57 | StdAerogelNominalRefractiveIndex ; |
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58 | } |
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59 | |
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60 | } |
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61 | G4double AerogelRefData::GetStdAgelRefIndexE(G4double StdAgelRefEnergy) { |
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62 | |
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63 | G4double refint= StdAerogelNominalRefractiveIndex; |
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64 | if(StdAgelRefEnergy <= StdAerogelRefphotE[0] ) { |
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65 | refint= StdAerogelRefphotE[0]; |
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66 | G4cout<<"Ref index reference value outside bounds "<<G4endl; |
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67 | |
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68 | } |
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69 | if(StdAgelRefEnergy > StdAerogelRefphotE[ NumberOfRefIndBins-1 ] ) { |
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70 | refint= StdAerogelRefphotE[ NumberOfRefIndBins-1 ]; |
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71 | G4cout<<"Ref index reference value outside bounds "<<G4endl; |
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72 | |
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73 | } |
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74 | |
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75 | for(G4int iabin=0; iabin < NumberOfRefIndBins-1 ; iabin++ ){ |
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76 | |
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77 | G4double E1= StdAerogelRefphotE[iabin]; |
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78 | G4double E2= StdAerogelRefphotE[iabin+1]; |
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79 | |
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80 | if(StdAgelRefEnergy > E1 && StdAgelRefEnergy <= E2 && E1 != E2 ){ |
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81 | |
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82 | //Now interpolate |
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83 | G4double r1= StdAerogelRefIndexValue[iabin]; |
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84 | G4double r2= StdAerogelRefIndexValue[iabin+1]; |
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85 | G4double slp=(r2-r1)/(E2-E1); |
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86 | G4double ain= r1-slp*E1; |
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87 | refint= slp*StdAgelRefEnergy + ain; |
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88 | break; |
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89 | } |
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90 | |
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91 | } |
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92 | |
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93 | return refint; |
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94 | |
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95 | } |
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96 | void AerogelRefData::ReadStdAerogelRefIndex() { |
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97 | |
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98 | const char* StdAerogelRefIndFile= AerogelRefIndexFileName.c_str(); |
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99 | if( StdAerogelRefIndFile == 0 ){ |
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100 | G4cout<<" Aerogel RefIndex Input file missing" |
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101 | << " Please provide the correct file name " |
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102 | <<G4endl; |
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103 | }else { |
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104 | |
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105 | G4cout<<"Now reading Std Aerogel Ref Index from " |
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106 | <<StdAerogelRefIndFile<<G4endl; |
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107 | std::ifstream finpga(StdAerogelRefIndFile); |
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108 | G4double ephot,rind; |
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109 | for (G4int fbin=0; fbin< NumberOfRefIndBins ; fbin++){ |
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110 | finpga>>ephot; |
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111 | finpga>>rind; |
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112 | StdAerogelRefphotE[fbin]=ephot*eV; |
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113 | StdAerogelRefIndexValue[fbin]=rind; |
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114 | //for test avoid the variation in ref index. SE 18-10-01 |
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115 | // StdAerogelRefIndexValue[fbin]= StdAerogelNominalRefractiveIndex; |
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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 | } |
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121 | |
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122 | std::vector<G4double> AerogelRefData::GetCurAerogelRefIndValueVect (G4int AerogelTnum ) { |
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123 | // no test for tdr rich. now put back to TB conditions. |
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124 | std::vector<G4double>CAgel(NumberOfRefIndBins); |
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125 | // AerogelType Ctype; |
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126 | G4double CRn = GetRefnominal( AerogelTnum ); |
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127 | for (G4int ib=0; ib < NumberOfRefIndBins; ib++ ){ |
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128 | |
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129 | CAgel[ib]= StdAerogelRefIndexValue[ib] |
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130 | - StdAerogelNominalRefractiveIndex-AerogelRefIndShift[ AerogelTnum] + CRn; |
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131 | |
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132 | } |
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133 | return CAgel; |
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134 | } |
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135 | |
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136 | G4double AerogelRefData:: GetCurAerogelRefIndValue( G4int rbinw , G4int AerogelTnum ){ |
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137 | // no test for tdr. now in TB conditions. |
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138 | G4double crn= GetRefnominal( AerogelTnum ); |
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139 | return StdAerogelRefIndexValue[rbinw] |
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140 | - StdAerogelNominalRefractiveIndex-AerogelRefIndShift[ AerogelTnum] +crn; |
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141 | // - StdAerogelNominalRefractiveIndex-AerogelRefIndShift[ AerogelTnum] +crn; |
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142 | // return StdAerogelRefIndexValue[rbinw]-1.03269+crn; |
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143 | } |
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144 | |
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145 | G4double AerogelRefData::GetRefnominal(G4int AgelTnum ) { |
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146 | |
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147 | G4double CRnominal = StdAerogelNominalRefractiveIndex; |
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148 | if(AgelTnum == 0 ){ |
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149 | |
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150 | CRnominal= AerogelTypeANominalRefIndex; |
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151 | }else if (AgelTnum == 1 ) { |
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152 | |
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153 | CRnominal= AerogelTypeBNominalRefIndex; |
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154 | }else if (AgelTnum == 2 ) { |
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155 | |
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156 | CRnominal= AerogelTypeCNominalRefIndex; |
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157 | }else if (AgelTnum == 3 ) { |
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158 | |
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159 | CRnominal= AerogelTypeDNominalRefIndex; |
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160 | }else if (AgelTnum == 4 ) { |
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161 | |
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162 | CRnominal= AerogelTypeENominalRefIndex; |
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163 | |
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164 | } else {G4cout<<"Unknown Aerogel Type "<<G4endl; } |
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165 | |
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166 | return CRnominal; |
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167 | } |
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168 | |
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169 | AerogelType AerogelRefData::GetAerogelType(G4int AgelTnum ) { |
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170 | AerogelType Ctype=AerogelTypeA; |
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171 | |
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172 | if(AgelTnum == 0 ){ |
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173 | Ctype=AerogelTypeA; |
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174 | |
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175 | }else if (AgelTnum == 1 ) { |
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176 | Ctype=AerogelTypeB; |
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177 | |
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178 | }else if (AgelTnum == 2 ) { |
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179 | Ctype=AerogelTypeC; |
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180 | |
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181 | }else if (AgelTnum == 3 ) { |
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182 | Ctype=AerogelTypeD; |
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183 | |
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184 | }else if (AgelTnum == 4 ) { |
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185 | Ctype=AerogelTypeE; |
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186 | |
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187 | |
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188 | } else {G4cout<<"Unknown Aerogel Type "<<G4endl; } |
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189 | |
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190 | return Ctype; |
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191 | } |
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192 | |
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193 | AerogelRefData::~AerogelRefData(){ ; } |
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194 | |
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195 | |
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196 | |
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197 | |
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198 | |
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199 | |
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200 | |
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201 | |
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202 | |
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