1 | // $Id: CorsikaFileShowerGenerator.cc 2930 2011-06-16 20:58:10Z mabl $ |
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2 | // Author: M.Dattoli 2004/08/31 |
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3 | |
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4 | /***************************************************************************** |
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5 | * ESAF: Euso Simulation and Analysis Framework * |
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6 | * * |
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7 | * Id: CorsikaFileShowerGenerator * |
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8 | * Package: ShowerGenerators * |
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9 | * Coordinator: Sergio.Bottai, Dmitry.Naumov * |
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10 | * * |
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11 | *****************************************************************************/ |
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12 | |
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13 | //_____________________________________________________________________________ |
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14 | // Corsika File Shower Generator |
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15 | // ============================= |
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16 | // |
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17 | // <extensive description> |
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18 | // |
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19 | // Config file parameters |
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20 | // ====================== |
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21 | // |
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22 | // FlagThinning [string]: flag for thinning option; |
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23 | // can be t (thinning enabled) |
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24 | // or f (thinning disabled) |
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25 | // |
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26 | // HowManyShowers [int] : number of showers simulated in corsika run |
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27 | // |
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28 | // ParticleFileName [string]: name of corsika normal particle output file |
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29 | // |
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30 | // LongFileName [string]: name of corsika longitudinal output file |
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31 | // |
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32 | |
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33 | #include "CorsikaFileShowerGenerator.hh" |
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34 | #include "MCTruth.hh" |
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35 | #include <ctime> |
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36 | #include <cstdlib> |
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37 | #include <cmath> |
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38 | |
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39 | using namespace sou; |
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40 | using namespace TMath; |
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41 | using namespace EConst; |
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42 | |
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43 | ClassImp(CorsikaFileShowerGenerator) |
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44 | |
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45 | //______________________________________________________________________________ |
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46 | CorsikaFileShowerGenerator::CorsikaFileShowerGenerator(): |
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47 | EventGenerator("Corsikafile"),EsafMsgSource(), fTrack(0), |
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48 | fParticleFile(NULL), fLongFile(NULL), fTruth(0) |
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49 | // |
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50 | // Constructor |
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51 | // |
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52 | { |
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53 | fParticleFileName = ""; |
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54 | fLongFileName = ""; |
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55 | } |
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56 | |
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57 | |
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58 | //______________________________________________________________________________ |
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59 | CorsikaFileShowerGenerator::~CorsikaFileShowerGenerator() |
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60 | // |
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61 | // Destructor |
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62 | // |
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63 | { |
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64 | if ( fTrack ) delete fTrack; |
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65 | if ( fTruth ) delete fTruth; |
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66 | fTrack=NULL; |
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67 | fTruth=NULL; |
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68 | } |
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69 | |
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70 | |
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71 | |
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72 | //______________________________________________________________________________ |
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73 | void CorsikaFileShowerGenerator::ReplaceInputFile(const char* pfn,const char* lfn) |
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74 | // |
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75 | // Replace input files |
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76 | // |
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77 | { |
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78 | |
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79 | // Particle file |
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80 | if ( fParticleFile ) |
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81 | Msg(EsafMsg::Panic)<<"Can not change name when particle file is already open!"<<MsgDispatch; |
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82 | if (!pfn) |
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83 | { |
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84 | Msg(EsafMsg::Panic)<<" Particle file name ignored!" <<MsgDispatch; |
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85 | return; |
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86 | } |
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87 | Conf()->ReplaceStr("CorsikaFileShowerGenerator.ParticleFileName",pfn); |
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88 | Msg(EsafMsg::Info)<<"Input file name changed to" << pfn <<MsgDispatch; |
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89 | |
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90 | //Longitudinal file: info about energy loss, n electrons, ncharged, ncherenkov, depth |
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91 | if ( fLongFile ) |
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92 | Msg(EsafMsg::Panic)<<"Can not change name when particle file is already open!"<<MsgDispatch; |
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93 | if (!lfn) |
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94 | { |
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95 | Msg(EsafMsg::Panic)<<" Particle file name ignored!" <<MsgDispatch; |
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96 | return; |
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97 | } |
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98 | Conf()->ReplaceStr("CorsikaFileShowerGenerator.LongFileName",lfn); |
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99 | Msg(EsafMsg::Info)<<"Input file name changed to" << lfn <<MsgDispatch; |
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100 | |
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101 | } |
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102 | |
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103 | |
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104 | |
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105 | //______________________________________________________________________________ |
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106 | void CorsikaFileShowerGenerator::Open() |
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107 | // |
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108 | // Open file |
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109 | // |
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110 | { |
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111 | |
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112 | //particle file |
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113 | if ( Conf()->IsDefined( "CorsikaFileShowerGenerator.ParticleFileName" ) ) |
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114 | fParticleFileName = Conf()->GetStr("CorsikaFileShowerGenerator.ParticleFileName"); |
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115 | |
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116 | else |
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117 | Msg(EsafMsg::Panic)<<"Unknown input particle file name in CorsikaFileShowerGenerator"<<MsgDispatch; |
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118 | |
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119 | fParticleFile = fopen( fParticleFileName.c_str(), "rb" ); |
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120 | |
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121 | if( fParticleFile == NULL ) |
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122 | Msg(EsafMsg::Panic)<<"Can't open file "+fParticleFileName << MsgDispatch; |
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123 | else |
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124 | Msg(EsafMsg::Info) << "File: " << fParticleFileName << " successfully opened " << MsgDispatch; |
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125 | |
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126 | //longitudinal file |
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127 | if ( Conf()->IsDefined( "CorsikaFileShowerGenerator.LongFileName" ) ) |
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128 | fLongFileName = Conf()->GetStr("CorsikaFileShowerGenerator.LongFileName"); |
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129 | |
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130 | else |
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131 | Msg(EsafMsg::Panic)<<"Unknown input longitudinal ditribution file name in CorsikaFileShowerGenerator"<<MsgDispatch; |
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132 | |
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133 | fLongFile = fopen( fLongFileName.c_str(), "rb" ); |
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134 | |
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135 | if( fLongFile == NULL ) |
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136 | Msg(EsafMsg::Panic)<<"Can't open file "+fLongFileName << MsgDispatch; |
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137 | else |
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138 | Msg(EsafMsg::Info) << "File: " << fLongFileName << " successfully opened " << MsgDispatch; |
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139 | |
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140 | |
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141 | } |
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142 | |
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143 | |
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144 | //______________________________________________________________________________ |
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145 | void CorsikaFileShowerGenerator::Close() |
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146 | // |
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147 | // Close file |
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148 | // |
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149 | { |
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150 | |
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151 | if( fParticleFile ) fclose(fParticleFile ) ; |
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152 | if( fLongFile ) fclose(fLongFile ) ; |
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153 | |
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154 | |
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155 | } |
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156 | |
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157 | |
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158 | //______________________________________________________________________________ |
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159 | PhysicsData* CorsikaFileShowerGenerator::Get() |
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160 | { |
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161 | // |
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162 | // Get a new event |
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163 | // |
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164 | |
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165 | // build and return a track |
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166 | if ( !fParticleFile || !fLongFile) Open(); |
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167 | |
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168 | if ( Conf()->IsDefined( "CorsikaFileShowerGenerator.FlagThinning" ) ) |
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169 | thinning = Conf()->GetStr("CorsikaFileShowerGenerator.FlagThinning"); |
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170 | else Msg(EsafMsg::Panic) <<"thinning flag missing in config file" << MsgDispatch; |
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171 | if (thinning=="f") { |
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172 | n1 = 272; |
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173 | nmax = 7; |
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174 | Msg(EsafMsg::Info)<<"Thinning disabled"<<MsgDispatch; |
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175 | } |
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176 | |
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177 | else if (thinning=="t") { |
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178 | n1 = 311; |
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179 | nmax = 8; |
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180 | Msg(EsafMsg::Info)<<"Thinning enabled"<<MsgDispatch; |
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181 | } |
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182 | |
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183 | n2 = n1 + 1; |
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184 | |
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185 | ConfigFileParser *pConfig = Config::Get()->GetCF("Generators","CorsikaFileShowerGenerator"); |
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186 | howmany = pConfig->GetNum("CorsikaFileShowerGenerator.HowManyShowers"); |
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187 | |
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188 | //random choice of event to be processed among simulated events |
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189 | srand(time(0)); |
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190 | event =(rand()%(Int_t)(howmany))+1; |
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191 | Msg(EsafMsg::Debug) << "Processing event n : " << event << MsgDispatch; |
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192 | |
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193 | |
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194 | if ( LoadTrack(event) ) { |
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195 | Msg(EsafMsg::Debug) << "Load Track Event" << MsgDispatch; |
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196 | return fTrack; |
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197 | } |
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198 | else { |
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199 | Msg(EsafMsg::Panic) << "End of file " << fParticleFileName << " reached? " << MsgDispatch; |
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200 | return (ShowerTrack*)0; |
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201 | } |
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202 | |
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203 | return fTrack; |
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204 | } |
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205 | |
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206 | //______________________________________________________________________________ |
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207 | void CorsikaFileShowerGenerator::ReadParticleHeader() |
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208 | { |
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209 | // |
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210 | // Read particle file header. |
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211 | // |
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212 | |
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213 | Msg(EsafMsg::Debug) << "Reading particle header.." << MsgDispatch; |
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214 | while(!feof(fParticleFile)) |
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215 | { |
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216 | //Reading BlockHeader (273,21) or (312,21) |
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217 | |
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218 | nin = fread(&r,4,1,fParticleFile); |
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219 | for (k=1; k<=21;k++) |
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220 | { |
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221 | pos = ftell(fParticleFile); |
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222 | |
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223 | //Reading SubBlockHeader |
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224 | nin = fread(&header,sizeof(header),1,fParticleFile); |
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225 | |
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226 | //Reading data in SubBlock; Storing them into map |
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227 | if (header[0]=='R'&&header[3]=='H') |
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228 | { |
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229 | |
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230 | float data_runh[n1]; |
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231 | for (i=0; i<n1; i++) {data_runh[i]=0;} |
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232 | //Reading RUNH Block (once for run) |
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233 | nin = fread (&data_runh, sizeof(data_runh), 1, fParticleFile); |
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234 | for (i=0; i<=4; i++) { |
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235 | aatm[i]=data_runh[253+i]; |
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236 | batm[i]=data_runh[258+i]; |
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237 | catm[i]=data_runh[263+i]; |
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238 | } |
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239 | } // end of if "runh" |
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240 | |
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241 | else if (header[0]=='R'&&header[3]=='E') |
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242 | { |
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243 | float data_rune[n1]; |
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244 | |
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245 | for (i=0; i<n1; i++) {data_rune[i]=0;} |
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246 | //reading RUNE Block (once per run) |
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247 | nin = fread (&data_rune, sizeof(data_rune), 1,fParticleFile ); |
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248 | } // end of if "rune" |
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249 | |
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250 | else if (header[0]=='E'&&header[3]=='H') |
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251 | { |
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252 | float data_evth[n1]; |
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253 | |
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254 | for (i=0; i<n1; i++) {data_evth[i]=0;} |
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255 | |
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256 | //Reading EVTH Block (1 for event) |
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257 | nin = fread (&data_evth, sizeof(data_evth), 1,fParticleFile ); |
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258 | ev_num= (Int_t)(data_evth[0]); |
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259 | |
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260 | cout <<"LOOK "<< ev_num << " " << event << endl; |
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261 | // if (ev_num==event) |
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262 | if (1) |
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263 | { |
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264 | Msg(EsafMsg::Debug) << "Reading event n " << ev_num << MsgDispatch; |
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265 | z_firstint = data_evth[5]; // cm |
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266 | Msg(EsafMsg::Debug)<< "z_firstint: " << z_firstint <<MsgDispatch; |
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267 | thick_firstint = GetThickness(abs(z_firstint)); //g/cm^2 |
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268 | Msg(EsafMsg::Debug)<< "thick_firstint: " << thick_firstint <<MsgDispatch; |
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269 | epolangd = data_evth[9]*180/Pi(); |
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270 | eaziangd = data_evth[10]*180/Pi(); |
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271 | eldircos = Sin(data_evth[9])*Cos(data_evth[10]); |
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272 | emdircos = Sin(data_evth[9])*Sin(data_evth[10]); |
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273 | endircos = Cos(data_evth[9]); |
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274 | energy = data_evth[2]; |
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275 | Msg (EsafMsg::Debug) << "epolangd: " << epolangd |
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276 | << "\n eaziangd: " << eaziangd |
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277 | << "\n eldircos: " << eldircos |
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278 | << "\n emdircos: " << emdircos |
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279 | << "\n endircos: " << endircos |
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280 | << "\n energy: " << energy << MsgDispatch; |
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281 | |
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282 | } //end of if (ev_num==event) |
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283 | } //end of if "evth" |
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284 | |
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285 | else if (header[0]=='E'&&header[3]=='E') |
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286 | { |
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287 | float data_evte[n1]; |
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288 | |
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289 | for (i=0; i<n1; i++) {data_evte[i]=0;} |
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290 | //Reading EVTE Block (1 for event) |
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291 | nin = fread (&data_evte, sizeof(data_evte), 1, fParticleFile); |
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292 | |
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293 | } // end of if "evte" |
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294 | |
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295 | else if (header[0]=='L'&&header[3]=='G') |
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296 | { |
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297 | float data_long[n1]; |
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298 | for (i=0; i<n1; i++) {data_long[i]=0;} |
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299 | |
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300 | //Reading LONG Block |
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301 | nin = fread (&data_long, sizeof(data_long), 1, fParticleFile); |
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302 | } // end of if "long" |
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303 | |
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304 | else |
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305 | { |
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306 | fseek(fParticleFile,pos,SEEK_SET); |
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307 | float data_block[n2]; |
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308 | for (i=0; i<n2; i++) {data_block[i]=0;} |
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309 | |
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310 | //Reading DATA BLOCK |
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311 | nin = fread (&data_block, sizeof(data_block), 1,fParticleFile ); |
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312 | |
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313 | } // end of else... DATA BLOCK |
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314 | |
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315 | } // end of for (k=1; k<=21;k++) |
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316 | |
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317 | k=1; |
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318 | |
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319 | //Reading BlockEnd (273,21) o (312,21) |
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320 | nin = fread(&r,4,1,fParticleFile); |
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321 | } |
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322 | |
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323 | } |
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324 | |
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325 | //______________________________________________________________________________ |
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326 | void CorsikaFileShowerGenerator::ReadLong() |
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327 | // |
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328 | // Read long file |
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329 | // |
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330 | { |
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331 | |
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332 | // These dummies are just for silencing gcc warning for unused fscanf/fgets |
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333 | // results. |
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334 | // FIXME: Only temporal, but better than 18 warnings |
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335 | |
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336 | char *fgetDummy; |
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337 | int fscanfDummy; |
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338 | |
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339 | Msg(EsafMsg::Debug) << "Reading Long File.." << MsgDispatch; |
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340 | for ( i=0; i<10; i++) |
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341 | { en[i]=0; |
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342 | part[i]=0; |
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343 | } |
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344 | nshow=0; |
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345 | pos = ftell(fLongFile); |
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346 | while (!feof(fLongFile) && nshow<=event) |
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347 | { |
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348 | fscanfDummy = fscanf(fLongFile,"%*s%*s%*s%f%*s%*s%*s%f%*s%*s%*s%i",&nstep,&step_long,&nshow); |
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349 | fgetDummy = fgets(longitudinal,sizeof(longitudinal),fLongFile); |
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350 | pos=ftell(fLongFile); |
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351 | Msg(EsafMsg::Debug)<< "nstep, step_long: " << nstep << "; \t"<< step_long << MsgDispatch; |
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352 | fgetDummy = fgets(longitudinal,sizeof(longitudinal),fLongFile); |
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353 | |
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354 | if (nshow!=event) |
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355 | { |
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356 | for (j=1; j<= 2*nstep+12; j++ ){ |
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357 | fgetDummy = fgets(longitudinal,sizeof(longitudinal),fLongFile); |
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358 | pos = ftell(fLongFile); |
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359 | fseek(fLongFile,pos,SEEK_SET); |
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360 | } |
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361 | fseek(fLongFile,pos,SEEK_SET); |
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362 | nshow = nshow+1; |
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363 | } |
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364 | |
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365 | else |
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366 | { |
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367 | for ( j=1; j <= nstep; j++) |
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368 | { |
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369 | for ( i=0; i<10; i++) |
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370 | { |
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371 | fscanfDummy = fscanf(fLongFile,"%f",&part[i]); |
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372 | pos=ftell(fLongFile); |
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373 | fseek(fLongFile,pos,SEEK_SET); |
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374 | } // reading 1 raw |
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375 | particle.insert(pair<int,float>(j,part[0])); |
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376 | particle.insert(pair<int,float>(j,part[0] - step_long)); |
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377 | particle.insert(pair<int,float>(j,part[3] + part[2])); |
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378 | particle.insert(pair<int,float>(j,part[7])); |
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379 | particle.insert(pair<int,float>(j,part[9])); |
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380 | } // reading block |
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381 | |
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382 | fgetDummy = fgets(longitudinal,sizeof(longitudinal),fLongFile); |
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383 | fgetDummy = fgets(longitudinal,sizeof(longitudinal),fLongFile); |
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384 | fgetDummy = fgets(longitudinal,sizeof(longitudinal),fLongFile); |
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385 | |
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386 | for ( j=1; j <=nstep; j++) |
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387 | { |
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388 | for ( i=0; i<10; i++) |
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389 | { fscanfDummy = fscanf(fLongFile,"%f",&en[i]); |
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390 | } // reading 1 raw |
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391 | particle.insert(pair<int,float>(j,en[2])); |
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392 | } // reading block |
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393 | |
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394 | fgetDummy = fgets(longitudinal,sizeof(longitudinal),fLongFile); |
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395 | fgetDummy = fgets(longitudinal,sizeof(longitudinal),fLongFile); |
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396 | fgetDummy = fgets(longitudinal,sizeof(longitudinal),fLongFile); |
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397 | |
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398 | pos=ftell(fLongFile); |
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399 | fseek(fLongFile,pos,SEEK_SET); |
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400 | fscanfDummy = fscanf(fLongFile,"%*s%*s%f%f%f%*f%*f%*f",&Nemax,&to,&tmax); |
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401 | for (int i = 1; i<=8; i++) { |
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402 | fgetDummy = fgets(longitudinal,sizeof(longitudinal),fLongFile); |
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403 | } |
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404 | |
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405 | nshow=nshow+1; |
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406 | } // end of else |
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407 | |
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408 | pos=ftell(fLongFile); |
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409 | } |
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410 | |
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411 | |
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412 | } |
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413 | |
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414 | |
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415 | //______________________________________________________________________________ |
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416 | bool CorsikaFileShowerGenerator::LoadHeader() |
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417 | // |
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418 | // Fill header object |
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419 | // |
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420 | { |
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421 | fHeader.clear(); |
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422 | ReadParticleHeader(); |
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423 | |
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424 | x0comes = xi = 0; |
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425 | y0comes = yi = 0; |
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426 | if (z_firstint>=0) { |
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427 | z0comes = z_firstint;} |
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428 | else { |
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429 | z0comes = - z_firstint;} |
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430 | zmax = GetAltitude(tmax); |
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431 | |
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432 | vertical_distance = (abs(z_firstint) - zmax); |
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433 | coeff_f = GetCoeff(vertical_distance); |
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434 | |
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435 | xmax = GetXstep(coeff_f); |
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436 | ymax = GetYstep(coeff_f); |
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437 | float coeff = GetCoeff(z0comes); |
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438 | |
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439 | fHeader.insert(pair<string,float>("EPRMENRG",energy)); |
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440 | fHeader.insert(pair<string,float>("EPRMDPTH",thick_firstint)); |
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441 | fHeader.insert(pair<string,float>("EX0COMES",x0comes)); |
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442 | fHeader.insert(pair<string,float>("EY0COMES",y0comes)); |
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443 | fHeader.insert(pair<string,float>("EZ0COMES",z0comes)); |
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444 | fHeader.insert(pair<string,float>("EPOLANGD",epolangd)); |
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445 | fHeader.insert(pair<string,float>("EAZIANGD",eaziangd)); |
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446 | fHeader.insert(pair<string,float>("ELDIRCOS",eldircos)); |
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447 | fHeader.insert(pair<string,float>("EMDIRCOS",emdircos)); |
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448 | fHeader.insert(pair<string,float>("ENDIRCOS",endircos)); |
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449 | fHeader.insert(pair<string,float>("EXDMPPOS",GetXstep(coeff))); |
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450 | fHeader.insert(pair<string,float>("EYDMPPOS",GetYstep(coeff))); |
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451 | fHeader.insert(pair<string,float>("EZDMPPOS",0.)); |
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452 | fHeader.insert(pair<string,float>("EXMAXPOS",xmax)); |
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453 | fHeader.insert(pair<string,float>("EYMAXPOS",ymax)); |
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454 | fHeader.insert(pair<string,float>("EZMAXPOS",zmax)); |
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455 | return true; |
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456 | |
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457 | } |
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458 | |
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459 | //______________________________________________________________________________ |
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460 | bool CorsikaFileShowerGenerator::LoadTrack(Int_t event) |
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461 | // |
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462 | // Load one event from file |
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463 | // |
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464 | { |
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465 | |
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466 | ReadLong(); |
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467 | if (!LoadHeader()) return false; |
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468 | |
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469 | |
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470 | fTrack = new ShowerTrack(); |
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471 | |
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472 | fTrack->fEthrEl = 0.; |
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473 | fTrack->fEnergy = fHeader["EPRMENRG"]*GeV; //in eV |
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474 | fTrack->fTheta = fHeader["EPOLANGD"]*deg; |
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475 | fTrack->fPhi = fHeader["EAZIANGD"]*deg; |
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476 | fTrack->fX1 = fHeader["EPRMDPTH"]*g/cm2; |
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477 | |
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478 | fTrack->fDirVers[0] = fHeader["ELDIRCOS"]; |
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479 | fTrack->fDirVers[1] = fHeader["EMDIRCOS"]; |
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480 | fTrack->fDirVers[2] = fHeader["ENDIRCOS"]; |
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481 | |
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482 | fTrack->fInitPos[0] = fHeader["EX0COMES"]*cm; |
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483 | fTrack->fInitPos[1] = fHeader["EY0COMES"]*cm; |
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484 | fTrack->fInitPos[2] = fHeader["EZ0COMES"]*cm; |
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485 | cout << "first point " << fTrack->fInitPos[2] << endl; |
---|
486 | |
---|
487 | if(fHeader["HITGROUN"]==0) |
---|
488 | { |
---|
489 | fTrack->fHitGround = false; |
---|
490 | } |
---|
491 | else |
---|
492 | { |
---|
493 | fTrack->fHitGround = true; |
---|
494 | } |
---|
495 | |
---|
496 | |
---|
497 | |
---|
498 | coeff_i = 0; |
---|
499 | xi=0; |
---|
500 | yi=0; |
---|
501 | zi = abs(z_firstint); |
---|
502 | timei = 0; |
---|
503 | for(j=1; j<=nstep; j++) |
---|
504 | { |
---|
505 | |
---|
506 | |
---|
507 | int count=0; |
---|
508 | for (pnum=particle.lower_bound(j); pnum!=particle.upper_bound(j); ++pnum) |
---|
509 | { |
---|
510 | step[count] = pnum->second; |
---|
511 | count++; |
---|
512 | } |
---|
513 | |
---|
514 | |
---|
515 | // step_bound (g/cm^2) |
---|
516 | fStep.fXi = (step[1]+ thick_firstint)*gram/cm2; |
---|
517 | fStep.fXf = (step[1]+ thick_firstint+step_long)*gram/cm2; |
---|
518 | |
---|
519 | // step_bound (cartesian coordinates) |
---|
520 | |
---|
521 | thickness = step_long*endircos; |
---|
522 | zf = GetAltitude(step[1]+ thick_firstint+thickness); |
---|
523 | cout << zf << " " << step[1] << " " << thick_firstint << " " << thickness << " " << step_long << " " << endircos << endl; |
---|
524 | vertical_distance = abs(zi-zf); |
---|
525 | coeff_f = GetCoeff(vertical_distance); |
---|
526 | xf = GetXstep(coeff_f); |
---|
527 | yf = GetYstep(coeff_f); |
---|
528 | |
---|
529 | if (zi>0) { |
---|
530 | fStep.fXYZi[2] = zi*cm;} |
---|
531 | else { |
---|
532 | fStep.fXYZi[2] = 0;} |
---|
533 | |
---|
534 | if (zf>0) { |
---|
535 | fStep.fXYZf[2] = zf*cm;} |
---|
536 | else { |
---|
537 | fStep.fXYZf[2] = 0;} |
---|
538 | if (fStep.fXYZi[2]!=0 || fStep.fXYZf[2]!=0 ) |
---|
539 | { |
---|
540 | // fStep.fXYZf[2] = zf; |
---|
541 | fStep.fXYZi[0] = xi*cm; |
---|
542 | fStep.fXYZf[0] = xf*cm; |
---|
543 | fStep.fXYZi[1] = yi*cm; |
---|
544 | fStep.fXYZf[1] = yf*cm; |
---|
545 | // time |
---|
546 | distance = sqrt(abs(pow(xi,2) + pow(yi,2) + pow(zi,2) - (pow(xf,2) + pow(yf,2) + pow(zf,2)))); |
---|
547 | |
---|
548 | fStep.fTimei = timei*nanosecond; |
---|
549 | timef = GetStepTime(distance) + timei; |
---|
550 | fStep.fTimef = timef*nanosecond; |
---|
551 | fStep.fNelectrons = step[2]; |
---|
552 | fStep.fNcharged = step[3]; |
---|
553 | fStep.fNcherenkov = step[4]; |
---|
554 | fStep.fEloss = step[5]; |
---|
555 | |
---|
556 | // age |
---|
557 | |
---|
558 | fStep.fAgei = GetAge(step[1] + thick_firstint); |
---|
559 | fStep.fAgef = GetAge(step[1] + thick_firstint+step_long); |
---|
560 | |
---|
561 | fTrack->Add(fStep); |
---|
562 | coeff_i = coeff_f; |
---|
563 | xi = xf; |
---|
564 | yi = yf; |
---|
565 | zi = zf; |
---|
566 | timei = timef; |
---|
567 | } |
---|
568 | |
---|
569 | |
---|
570 | } |
---|
571 | |
---|
572 | return true; |
---|
573 | |
---|
574 | } |
---|
575 | |
---|
576 | //______________________________________________________________________________ |
---|
577 | MCTruth* CorsikaFileShowerGenerator::GetTruth() |
---|
578 | // |
---|
579 | // Get pointer to MonteCarlo Truth |
---|
580 | // |
---|
581 | { |
---|
582 | |
---|
583 | |
---|
584 | if (!fTrack->Size()) return NULL; |
---|
585 | if (!fTruth) { |
---|
586 | fTruth = new MCTruth();} |
---|
587 | |
---|
588 | fTruth->SetEnergy(fHeader["EPRMENRG"]*GeV); //in eV |
---|
589 | fTruth->SetThetaPhi(fHeader["EPOLANGD"]*deg,fHeader["EAZIANGD"]*deg); |
---|
590 | EVector v; |
---|
591 | v[0] = fHeader["EX0COMES"]*cm; |
---|
592 | v[1] = fHeader["EY0COMES"]*cm; |
---|
593 | v[2] = fHeader["EZ0COMES"]*cm; |
---|
594 | fTruth->SetFirstInt(v, fHeader["EPRMDPTH"]); |
---|
595 | v[0] = fHeader["EXDMPPOS"]*cm; |
---|
596 | v[1] = fHeader["EYDMPPOS"]*cm; |
---|
597 | v[2] = fHeader["EZDMPPOS"]*cm; |
---|
598 | |
---|
599 | |
---|
600 | // in case no value for ShowerMax is present, put arbitrary number 0 |
---|
601 | |
---|
602 | v[0] = 0; |
---|
603 | v[1] = 0; |
---|
604 | v[2] = 0; |
---|
605 | map<string,double>::iterator showmax; |
---|
606 | showmax = fHeader.find(string("EXMAXPOS")); |
---|
607 | if (showmax != fHeader.end()) v[0] = fHeader["EXMAXPOS"]*cm; |
---|
608 | showmax = fHeader.find(string("EYMAXPOS")); |
---|
609 | if (showmax != fHeader.end()) v[1] = fHeader["EYMAXPOS"]*cm; |
---|
610 | showmax = fHeader.find(string("EZMAXPOS")); |
---|
611 | if (showmax != fHeader.end()) v[2] = fHeader["EZMAXPOS"]*cm; |
---|
612 | |
---|
613 | fTruth->SetShowerMax(v,fHeader["ESHOWMAX"]); |
---|
614 | |
---|
615 | return fTruth; |
---|
616 | |
---|
617 | } |
---|
618 | |
---|
619 | //______________________________________________________________________________ |
---|
620 | float CorsikaFileShowerGenerator::GetAltitude(float thick) |
---|
621 | { |
---|
622 | //FIXME: Better throw an error here if thickness is not valid. |
---|
623 | float h=-HUGE; |
---|
624 | |
---|
625 | if (thick >= GetThickness(4.e+05)) { |
---|
626 | h = -catm[0]*log((thick - aatm[0])/batm[0]);} |
---|
627 | if (thick >= GetThickness(10.e+05) && thick < GetThickness(4.e+05)) { |
---|
628 | h = -catm[1]*log((thick - aatm[1])/batm[1]);} |
---|
629 | if (thick >= GetThickness(40.e+05) && thick< GetThickness(10.e+05)) { |
---|
630 | h = -catm[2]*log((thick - aatm[2])/batm[2]);} |
---|
631 | if (thick >= GetThickness(100.e+05) && thick< GetThickness(40.e+05)) { |
---|
632 | h = -catm[3]*log((thick - aatm[3])/batm[3]);} |
---|
633 | if (thick <= GetThickness(100.e+05) ) { |
---|
634 | h = (aatm[4]-thick)*catm[4]/batm[4];} |
---|
635 | //cout << h << " " << thick << endl; |
---|
636 | return h; |
---|
637 | } |
---|
638 | |
---|
639 | //______________________________________________________________________________ |
---|
640 | float CorsikaFileShowerGenerator::GetThickness(float z1) |
---|
641 | { |
---|
642 | float thick_f; |
---|
643 | float z = abs(z1); |
---|
644 | if (z<= 4.e+05) { |
---|
645 | thick_f = aatm[0]+batm[0]*exp(-z/catm[0]);} |
---|
646 | else if (z> 4.e+05 && z<= 10.e+05) { |
---|
647 | thick_f = aatm[1]+batm[1]*exp(-z/catm[1]);} |
---|
648 | else if (z> 10.e+05 && z<= 40.e+05) { |
---|
649 | thick_f = aatm[2]+batm[2]*exp(-z/catm[2]);} |
---|
650 | else if (z> 40.e+05 && z<= 100.e+05) { |
---|
651 | thick_f = aatm[3]+batm[3]*exp(-z/catm[3]);} |
---|
652 | else if (z> 100.e+05) { |
---|
653 | thick_f = aatm[4]-batm[4]*z/catm[4];} |
---|
654 | else |
---|
655 | throw invalid_argument("Out of parameterization for given hight!"); |
---|
656 | |
---|
657 | return thick_f; |
---|
658 | } |
---|
659 | |
---|
660 | //______________________________________________________________________________ |
---|
661 | float CorsikaFileShowerGenerator::GetCoeff(float h) |
---|
662 | { |
---|
663 | float coeff = h/endircos; |
---|
664 | return coeff; |
---|
665 | } |
---|
666 | |
---|
667 | |
---|
668 | |
---|
669 | //______________________________________________________________________________ |
---|
670 | float CorsikaFileShowerGenerator::GetXstep(float t) |
---|
671 | { |
---|
672 | float x = xi + t*eldircos; |
---|
673 | return x; |
---|
674 | } |
---|
675 | |
---|
676 | |
---|
677 | //______________________________________________________________________________ |
---|
678 | float CorsikaFileShowerGenerator::GetYstep(float t) |
---|
679 | { |
---|
680 | float y = yi + t*emdircos; |
---|
681 | return y; |
---|
682 | } |
---|
683 | |
---|
684 | //______________________________________________________________________________ |
---|
685 | float CorsikaFileShowerGenerator::GetStepTime(float h) |
---|
686 | { |
---|
687 | float time = 0.1*h/Clight(); |
---|
688 | return time; |
---|
689 | } |
---|
690 | |
---|
691 | |
---|
692 | //______________________________________________________________________________ |
---|
693 | float CorsikaFileShowerGenerator::GetAge(float h) |
---|
694 | { |
---|
695 | float age; |
---|
696 | float t = h-thick_firstint; |
---|
697 | age = 3*t/(t + 2*tmax); |
---|
698 | return age; |
---|
699 | } |
---|
700 | |
---|
701 | |
---|