1 | // ESAF : Euso Simulation and Analysis Framework |
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2 | // $Id: OADBConverter.cc 1856 2005-05-17 21:48:30Z thea $ |
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3 | // A.Thea, J.Watts created Mar, 22 2004 |
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4 | |
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5 | #include "OADBConverter.hh" |
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6 | #include "OADBHeader.hh" |
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7 | #include "OADBPhotons.hh" |
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8 | #include <string> |
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9 | #include <vector> |
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10 | #include <Riostream.h> |
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11 | |
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12 | ClassImp(OADBConverter) |
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13 | |
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14 | // ctor |
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15 | OADBConverter::OADBConverter( OADBTree *t ) : fPhotons(NULL) { |
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16 | // init tree |
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17 | fTree = t; |
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18 | fHeader = &(t->GetHeader()); |
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19 | fTree->SetBranchAddress("photons", &fPhotons); |
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20 | |
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21 | // length of the keywords |
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22 | fKeyLength = 16; |
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23 | |
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24 | fBinFile = new fstream; |
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25 | |
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26 | } |
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27 | |
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28 | // dtor |
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29 | OADBConverter::~OADBConverter() { |
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30 | delete fBinFile; |
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31 | } |
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32 | |
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33 | // convert oatree into a binary ESAF-readable file |
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34 | void OADBConverter::SaveBinary( const char *path ) { |
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35 | |
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36 | //ofstream fBinFile; |
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37 | fBinFile->open( path, ios::binary | ios::out ); |
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38 | if ( !(fBinFile->is_open()) ) |
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39 | cout << Form("SaveBinary: Unable to open %s",path) << endl; |
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40 | |
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41 | WriteHeader(); |
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42 | |
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43 | Int_t iEntry(0); |
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44 | |
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45 | InsertBegin(kPhotons); |
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46 | for( Int_t iWl(0); iWl < fHeader->GetNumWavelengths(); iWl++ ) { |
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47 | // be sure to have photons loaded before getting the wlid |
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48 | fTree->GetEntry(iEntry); |
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49 | InsertBegin(kWavelength); |
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50 | Int_t wlId = fPhotons->GetWavelengthId(); |
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51 | fBinFile->write((char*)&wlId,sizeof(Int_t)); |
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52 | |
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53 | for( Int_t iAng(0); iAng < fHeader->GetNumAngles(); iAng++ ){ |
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54 | fTree->GetEntry(iEntry++); |
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55 | WritePhotons(); |
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56 | } |
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57 | InsertEnd(kWavelength); |
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58 | } |
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59 | InsertEnd(kPhotons); |
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60 | |
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61 | fBinFile->close(); |
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62 | |
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63 | } |
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64 | |
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65 | // checks binary |
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66 | void OADBConverter::CheckBinary( const char *path ) { |
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67 | fBinFile->open( path, ios::in | ios::binary ); |
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68 | |
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69 | Read(); |
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70 | |
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71 | fBinFile->close(); |
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72 | } |
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73 | |
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74 | string OADBConverter::KeyWord( OAEKeyType type ) { |
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75 | |
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76 | string buffer; |
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77 | switch ( type ) { |
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78 | case kBegin: |
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79 | buffer = "BEGIN"; |
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80 | break; |
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81 | case kEnd: |
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82 | buffer = "END"; |
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83 | break; |
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84 | case kHeader: |
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85 | buffer = "HEADER"; |
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86 | break; |
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87 | case kPhotons: |
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88 | buffer = "PHOTONS"; |
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89 | break; |
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90 | case kWavelength: |
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91 | buffer = "WAVELENGTH"; |
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92 | break; |
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93 | case kAngle: |
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94 | buffer = "ANGLE"; |
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95 | break; |
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96 | default: |
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97 | buffer.resize(0); |
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98 | break; |
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99 | } |
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100 | return buffer.c_str(); |
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101 | } |
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102 | |
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103 | // insert begin keyword |
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104 | void OADBConverter::InsertBegin( OAEKeyType type ) { |
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105 | string dummy = "BEGIN"; |
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106 | dummy+=KeyWord(type); |
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107 | dummy.resize(fKeyLength); |
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108 | fBinFile->write(dummy.c_str(), fKeyLength); |
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109 | } |
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110 | |
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111 | // insert end keyword |
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112 | void OADBConverter::InsertEnd( OAEKeyType type ) { |
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113 | string dummy = "END"; |
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114 | dummy+=KeyWord(type); |
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115 | dummy.resize(fKeyLength); |
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116 | fBinFile->write(dummy.c_str(), fKeyLength); |
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117 | } |
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118 | |
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119 | // append header to fBinFile |
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120 | void OADBConverter::WriteHeader() { |
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121 | |
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122 | Int_t num; |
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123 | string comment; |
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124 | comment = "# ESAF - Euso Simulation and Analysis Framework\n"; |
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125 | comment += "# OpticsAnalysisModule Photon Database File\n"; |
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126 | comment += "# The header contains the following informations:\n"; |
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127 | comment += "# TODO"; |
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128 | size_t commentSize = comment.size(); |
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129 | |
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130 | // insert step, radius, entrance Z, exit Z |
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131 | size_t dataSize = 10; |
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132 | Float_t data[dataSize]; |
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133 | data[0]=fHeader->GetXYStep(); |
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134 | data[1]=fHeader->GetOpticsRadius(); |
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135 | data[2]=fHeader->GetEntranceDiscRadius(); |
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136 | data[3]=fHeader->GetFirstLensBottom(); |
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137 | data[4]=fHeader->GetFirstLensTop(); |
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138 | data[5]=fHeader->GetSecondLensBottom(); |
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139 | data[6]=fHeader->GetSecondLensTop(); |
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140 | data[7]=fHeader->GetEntranceZ(); |
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141 | data[8]=fHeader->GetExitZ(); |
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142 | data[9]=fHeader->GetPosZ(); |
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143 | |
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144 | size_t headSize = sizeof(char)*commentSize |
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145 | +sizeof(size_t) |
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146 | +sizeof(Int_t)*(5+fHeader->GetNumRows()) |
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147 | +sizeof(Float_t)*(dataSize+fHeader->GetNumWavelengths() |
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148 | +fHeader->GetNumAngles()); |
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149 | |
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150 | InsertBegin( kHeader ); |
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151 | fBinFile->write((char*)&headSize, sizeof(size_t)); |
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152 | fBinFile->write((char*)&commentSize, sizeof(size_t)); |
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153 | fBinFile->write(comment.c_str(), comment.size()); |
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154 | |
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155 | fBinFile->write((char*)&dataSize, sizeof(size_t)); |
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156 | fBinFile->write((char*)data, sizeof(Float_t)*dataSize); |
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157 | |
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158 | // insert Wavelengths |
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159 | num = fHeader->GetNumWavelengths(); |
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160 | fBinFile->write((char*)&num, sizeof(Int_t)); |
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161 | fBinFile->write((char*)fHeader->GetWavelengths(), sizeof(Float_t)*num); |
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162 | // inser Angles |
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163 | num = fHeader->GetNumAngles(); |
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164 | fBinFile->write((char*)&num, sizeof(Int_t)); |
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165 | fBinFile->write((char*)fHeader->GetAngles(), sizeof(Float_t)*num); |
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166 | |
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167 | // insert Positions |
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168 | num=fHeader->GetNumPos(); |
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169 | fBinFile->write((char*)&num, sizeof(Int_t)); |
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170 | num=fHeader->GetNumRows(); |
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171 | fBinFile->write((char*)&num, sizeof(Int_t)); |
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172 | fBinFile->write((char*)fHeader->GetRows(), sizeof(Int_t)*num); |
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173 | |
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174 | InsertEnd( kHeader ); |
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175 | |
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176 | } |
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177 | |
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178 | // append a bunch of photons to fBinFile |
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179 | void OADBConverter::WritePhotons() { |
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180 | if (!fPhotons) { |
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181 | cout << "WritePhotons: invalid pointer" << endl; |
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182 | return; |
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183 | } |
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184 | if ( fPhotons->GetSize() != fHeader->GetNumPos() ) { |
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185 | cout << "WritePhotons: mismatch between header and fPhotons" << endl; |
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186 | return; |
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187 | } |
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188 | InsertBegin( kAngle ); |
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189 | Int_t angleId = fPhotons->GetAngleId(); |
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190 | Float_t ph[5]; |
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191 | |
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192 | fBinFile->write((char*)&angleId,sizeof(Int_t)); |
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193 | for(Int_t i(0); i<fPhotons->GetSize(); i++) { |
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194 | ph[0]=fPhotons->GetThroughput()[i]; |
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195 | ph[1]=fPhotons->GetXOut()[i]; |
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196 | ph[2]=fPhotons->GetYOut()[i]; |
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197 | ph[3]=fPhotons->GetThetaOut()[i]; |
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198 | ph[4]=fPhotons->GetPhiOut()[i]; |
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199 | |
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200 | fBinFile->write((char*)ph,sizeof(Float_t)*5); |
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201 | } |
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202 | |
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203 | InsertEnd( kAngle ); |
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204 | } |
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205 | |
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206 | // reads the header of the binary file and dispays its contents |
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207 | void OADBConverter::Read() { |
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208 | Float_t *values(NULL); |
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209 | char buffer[512]; |
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210 | |
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211 | fBinFile->read(buffer, fKeyLength); |
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212 | |
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213 | if ( (KeyWord(kBegin)+KeyWord(kHeader)) == buffer) |
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214 | cout << "Header found" << endl; |
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215 | |
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216 | size_t headSize; |
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217 | fBinFile->read((char*)&headSize, sizeof(size_t)); |
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218 | cout << "header " << headSize << " bytes long" << endl; |
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219 | |
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220 | // check the end of the header to be where it should |
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221 | streampos sp = fBinFile->tellg(); |
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222 | fBinFile->seekg(headSize, ios::cur); |
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223 | |
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224 | fBinFile->read(buffer, fKeyLength); |
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225 | if ( (KeyWord(kEnd)+KeyWord(kHeader)) == buffer) |
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226 | cout << "End Header found" << endl; |
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227 | else { |
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228 | cout << "End Header missing or misplaced. Exiting..." << endl; |
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229 | return; |
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230 | } |
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231 | |
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232 | fBinFile->seekg(sp); |
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233 | |
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234 | // read comment |
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235 | size_t commentSize; |
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236 | char* comment; |
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237 | |
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238 | fBinFile->read((char*)&commentSize, sizeof(size_t)); |
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239 | cout << "comment size: " << commentSize << endl; |
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240 | comment = new char[commentSize]; |
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241 | fBinFile->read((char*)comment, commentSize); |
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242 | cout << comment << endl; |
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243 | delete [] comment; |
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244 | |
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245 | Int_t numData; |
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246 | fBinFile->read((char*)&numData, sizeof(Int_t)); |
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247 | values = new Float_t[numData]; |
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248 | fBinFile->read((char*)values, sizeof(Float_t)*numData); |
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249 | cout << "XYStep = " << values[0] << endl; |
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250 | cout << "OpticsRadius = " << values[1] << endl; |
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251 | cout << "EntranceDiscRadius = " << values[2] << endl; |
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252 | cout << "FirstLensBottom = " << values[3] << endl; |
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253 | cout << "FirstLensTop = " << values[4] << endl; |
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254 | cout << "SecondLensBottom = " << values[5] << endl; |
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255 | cout << "SecondLensTop = " << values[6] << endl; |
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256 | cout << "EntranceZ = " << values[7] << endl; |
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257 | cout << "ExitZ = " << values[8] << endl; |
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258 | cout << "PosZ = " << values[9] << endl; |
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259 | delete [] values; |
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260 | |
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261 | // read wls |
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262 | Int_t numWls; |
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263 | fBinFile->read((char*)&numWls, sizeof(Int_t)); |
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264 | cout << numWls << " wls found" << endl; |
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265 | |
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266 | values = new Float_t[numWls]; |
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267 | fBinFile->read((char*)values, sizeof(Float_t)*numWls); |
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268 | for(Int_t i(0); i<numWls; i++) |
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269 | cout << i << " " << values[i] << endl; |
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270 | delete [] values; |
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271 | |
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272 | // read angles |
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273 | Int_t numAngles; |
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274 | fBinFile->read((char*)&numAngles, sizeof(Int_t)); |
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275 | cout << numAngles << " angles found" << endl; |
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276 | |
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277 | values = new Float_t[numAngles]; |
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278 | fBinFile->read((char*)values, sizeof(Float_t)*numAngles); |
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279 | for(Int_t i(0); i<numAngles; i++) |
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280 | cout << i << " " << values[i] << endl; |
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281 | delete [] values; |
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282 | |
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283 | // positions |
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284 | Int_t numPos; |
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285 | fBinFile->read((char*)&numPos, sizeof(Int_t)); |
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286 | cout << numPos << " positions found" << endl; |
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287 | |
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288 | Int_t rows; |
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289 | Int_t *cols(NULL); |
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290 | fBinFile->read((char*)&rows, sizeof(Int_t)); |
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291 | cout << rows << " rows found" << endl; |
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292 | |
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293 | Int_t posCheck(0); |
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294 | cols = new Int_t[rows]; |
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295 | fBinFile->read((char*)cols, sizeof(Float_t)*rows); |
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296 | for(Int_t i(0); i<rows; i++) { |
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297 | cout << i << " " << cols[i] << endl; |
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298 | posCheck+=cols[i]; |
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299 | } |
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300 | if ( numPos != posCheck ) { |
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301 | cout << "mismatch between number of columns and total " << flush; |
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302 | cout << "number of positions in the header. Exiting..." << endl; |
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303 | } |
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304 | |
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305 | fBinFile->read(buffer, fKeyLength); |
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306 | if ( (KeyWord(kEnd)+KeyWord(kHeader)) == buffer) |
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307 | cout << "Header closed" << endl; |
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308 | |
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309 | |
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310 | fBinFile->read(buffer, fKeyLength); |
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311 | if ( (KeyWord(kBegin)+KeyWord(kPhotons)) == buffer) |
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312 | cout << "Photon list found" << endl; |
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313 | else { |
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314 | cout << "Photon missing or misplaced. Exiting" << endl; |
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315 | return; |
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316 | } |
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317 | |
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318 | // calculate the length of the photons' list |
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319 | size_t angleSize = sizeof(char)*(2*fKeyLength)+sizeof(Int_t)+sizeof(Float_t)*(5*numPos); |
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320 | size_t wlsize = sizeof(char)*(2*fKeyLength)+sizeof(Int_t)+angleSize*numAngles; |
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321 | size_t phSize = wlsize*numWls; |
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322 | |
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323 | cout << "Calculated list size " << phSize << endl; |
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324 | |
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325 | // check the end of the list to be where it should |
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326 | sp = fBinFile->tellg(); |
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327 | fBinFile->seekg(phSize, ios::cur); |
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328 | |
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329 | fBinFile->read(buffer, fKeyLength); |
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330 | if ( (KeyWord(kEnd)+KeyWord(kPhotons)) == buffer) |
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331 | cout << "End Photons found" << endl; |
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332 | else { |
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333 | cout << "End Photons missing or misplaced. Exiting..." << endl; |
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334 | return; |
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335 | } |
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336 | fBinFile->seekg(sp); |
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337 | |
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338 | // checking all the key positions |
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339 | vector< vector<streampos> > keyMap; |
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340 | for ( Int_t iWl(0); iWl < numWls; iWl++) { |
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341 | // check the wl key |
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342 | fBinFile->read(buffer, fKeyLength); |
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343 | if ( (KeyWord(kBegin)+KeyWord(kWavelength)) != buffer){ |
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344 | cout << buffer << endl; |
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345 | cout << "Wavelength keyword " << iWl << " not found. Exiting" << endl; |
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346 | return; |
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347 | } |
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348 | |
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349 | // check wl id |
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350 | Int_t wlId; |
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351 | fBinFile->read((char*)&wlId, sizeof(Int_t)); |
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352 | if ( wlId != iWl){ |
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353 | cout << "Wavelength id mismatch: wlId = " << wlId << " iWl = " << iWl << endl; |
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354 | return; |
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355 | } |
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356 | |
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357 | cout << " wlId = " << wlId << endl; |
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358 | vector<streampos> dummy; |
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359 | for ( Int_t iAng(0); iAng < numAngles; iAng++) { |
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360 | // check the angle key |
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361 | fBinFile->read(buffer, fKeyLength); |
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362 | if ( (KeyWord(kBegin)+KeyWord(kAngle)) != buffer) { |
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363 | cout << "Angle keyword " << iAng << " not found. Exiting" << endl; |
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364 | return; |
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365 | } |
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366 | |
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367 | // check angle id |
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368 | Int_t angleId; |
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369 | fBinFile->read((char*)&angleId, sizeof(Int_t)); |
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370 | if ( angleId != iAng){ |
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371 | cout << " id mismatch: angleId = " << angleId << " iAng = " << iAng << endl; |
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372 | return; |
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373 | } |
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374 | |
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375 | cout << " angleId = " << angleId << endl; |
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376 | // keep the pos of the first ph |
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377 | streampos cur = fBinFile->tellg(); |
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378 | |
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379 | // move at the end |
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380 | fBinFile->seekg(sizeof(Float_t)*5*numPos,ios::cur); |
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381 | |
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382 | // check the end key |
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383 | fBinFile->read(buffer, fKeyLength); |
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384 | if ( (KeyWord(kEnd)+KeyWord(kAngle)) != buffer) { |
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385 | cout << buffer << endl; |
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386 | cout << "End Angle keyword " << iAng << " not found. Exiting" << endl; |
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387 | return; |
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388 | } |
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389 | |
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390 | // save the streamer position of the first ph |
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391 | dummy.push_back(cur); |
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392 | } |
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393 | |
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394 | // check the end key |
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395 | fBinFile->read(buffer, fKeyLength); |
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396 | if ( (KeyWord(kEnd)+KeyWord(kWavelength)) != buffer) { |
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397 | cout << "End Wavelength keyword " << iWl << " not found. Exiting" << endl; |
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398 | return; |
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399 | } |
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400 | |
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401 | keyMap.push_back(dummy); |
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402 | } |
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403 | delete [] cols; |
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404 | } |
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