1 | |
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2 | /** \class TreeWriter |
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3 | * |
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4 | * Fills ROOT tree branches. |
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5 | * |
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6 | * $Date: 2013-05-16 16:28:38 +0200 (Thu, 16 May 2013) $ |
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7 | * $Revision: 1115 $ |
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8 | * |
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9 | * |
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10 | * \author P. Demin - UCL, Louvain-la-Neuve |
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11 | * |
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12 | */ |
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13 | |
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14 | #include "modules/TreeWriter.h" |
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15 | |
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16 | #include "classes/DelphesClasses.h" |
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17 | #include "classes/DelphesFactory.h" |
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18 | #include "classes/DelphesFormula.h" |
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19 | |
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20 | #include "ExRootAnalysis/ExRootResult.h" |
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21 | #include "ExRootAnalysis/ExRootFilter.h" |
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22 | #include "ExRootAnalysis/ExRootClassifier.h" |
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23 | #include "ExRootAnalysis/ExRootTreeBranch.h" |
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24 | |
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25 | #include "TROOT.h" |
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26 | #include "TMath.h" |
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27 | #include "TString.h" |
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28 | #include "TFormula.h" |
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29 | #include "TRandom3.h" |
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30 | #include "TObjArray.h" |
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31 | #include "TDatabasePDG.h" |
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32 | #include "TLorentzVector.h" |
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33 | |
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34 | #include <algorithm> |
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35 | #include <stdexcept> |
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36 | #include <iostream> |
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37 | #include <sstream> |
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38 | |
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39 | using namespace std; |
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40 | |
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41 | //------------------------------------------------------------------------------ |
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42 | |
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43 | TreeWriter::TreeWriter() |
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44 | { |
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45 | } |
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46 | |
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47 | //------------------------------------------------------------------------------ |
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48 | |
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49 | TreeWriter::~TreeWriter() |
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50 | { |
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51 | } |
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52 | |
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53 | //------------------------------------------------------------------------------ |
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54 | |
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55 | void TreeWriter::Init() |
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56 | { |
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57 | fClassMap[GenParticle::Class()] = &TreeWriter::ProcessParticles; |
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58 | fClassMap[Track::Class()] = &TreeWriter::ProcessTracks; |
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59 | fClassMap[Tower::Class()] = &TreeWriter::ProcessTowers; |
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60 | fClassMap[Photon::Class()] = &TreeWriter::ProcessPhotons; |
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61 | fClassMap[Electron::Class()] = &TreeWriter::ProcessElectrons; |
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62 | fClassMap[Muon::Class()] = &TreeWriter::ProcessMuons; |
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63 | fClassMap[Jet::Class()] = &TreeWriter::ProcessJets; |
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64 | fClassMap[MissingET::Class()] = &TreeWriter::ProcessMissingET; |
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65 | fClassMap[ScalarHT::Class()] = &TreeWriter::ProcessScalarHT; |
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66 | fClassMap[Rho::Class()] = &TreeWriter::ProcessRho; |
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67 | |
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68 | TBranchMap::iterator itBranchMap; |
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69 | map< TClass *, TProcessMethod >::iterator itClassMap; |
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70 | |
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71 | // read branch configuration and |
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72 | // import array with output from filter/classifier/jetfinder modules |
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73 | |
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74 | ExRootConfParam param = GetParam("Branch"); |
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75 | Long_t i, size; |
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76 | TString branchName, branchClassName, branchInputArray; |
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77 | TClass *branchClass; |
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78 | TObjArray *array; |
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79 | ExRootTreeBranch *branch; |
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80 | |
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81 | size = param.GetSize(); |
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82 | for(i = 0; i < size/3; ++i) |
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83 | { |
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84 | branchInputArray = param[i*3].GetString(); |
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85 | branchName = param[i*3 + 1].GetString(); |
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86 | branchClassName = param[i*3 + 2].GetString(); |
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87 | |
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88 | branchClass = gROOT->GetClass(branchClassName); |
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89 | |
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90 | if(!branchClass) |
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91 | { |
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92 | cout << "** ERROR: cannot find class '" << branchClassName << "'" << endl; |
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93 | continue; |
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94 | } |
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95 | |
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96 | itClassMap = fClassMap.find(branchClass); |
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97 | if(itClassMap == fClassMap.end()) |
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98 | { |
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99 | cout << "** ERROR: cannot create branch for class '" << branchClassName << "'" << endl; |
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100 | continue; |
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101 | } |
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102 | |
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103 | array = ImportArray(branchInputArray); |
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104 | branch = NewBranch(branchName, branchClass); |
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105 | |
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106 | fBranchMap.insert(make_pair(branch, make_pair(itClassMap->second, array))); |
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107 | } |
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108 | |
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109 | } |
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110 | |
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111 | //------------------------------------------------------------------------------ |
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112 | |
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113 | void TreeWriter::Finish() |
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114 | { |
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115 | |
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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 | void TreeWriter::FillParticles(Candidate *candidate, TRefArray *array) |
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121 | { |
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122 | TIter it1(candidate->GetCandidates()); |
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123 | it1.Reset(); |
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124 | array->Clear(); |
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125 | while((candidate = static_cast<Candidate*>(it1.Next()))) |
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126 | { |
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127 | TIter it2(candidate->GetCandidates()); |
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128 | |
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129 | // particle |
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130 | if(candidate->GetCandidates()->GetEntriesFast() == 0) |
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131 | { |
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132 | array->Add(candidate); |
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133 | continue; |
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134 | } |
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135 | |
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136 | // track |
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137 | candidate = static_cast<Candidate*>(candidate->GetCandidates()->At(0)); |
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138 | if(candidate->GetCandidates()->GetEntriesFast() == 0) |
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139 | { |
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140 | array->Add(candidate); |
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141 | continue; |
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142 | } |
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143 | |
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144 | // tower |
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145 | it2.Reset(); |
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146 | while((candidate = static_cast<Candidate*>(it2.Next()))) |
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147 | { |
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148 | array->Add(candidate->GetCandidates()->At(0)); |
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149 | } |
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150 | } |
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151 | } |
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152 | |
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153 | //------------------------------------------------------------------------------ |
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154 | |
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155 | void TreeWriter::ProcessParticles(ExRootTreeBranch *branch, TObjArray *array) |
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156 | { |
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157 | TIter iterator(array); |
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158 | Candidate *candidate = 0; |
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159 | GenParticle *entry = 0; |
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160 | Double_t pt, signPz, cosTheta, eta, rapidity; |
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161 | |
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162 | // loop over all particles |
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163 | iterator.Reset(); |
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164 | while((candidate = static_cast<Candidate*>(iterator.Next()))) |
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165 | { |
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166 | const TLorentzVector &momentum = candidate->Momentum; |
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167 | const TLorentzVector &position = candidate->Position; |
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168 | |
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169 | entry = static_cast<GenParticle*>(branch->NewEntry()); |
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170 | |
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171 | entry->SetBit(kIsReferenced); |
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172 | entry->SetUniqueID(candidate->GetUniqueID()); |
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173 | |
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174 | pt = momentum.Pt(); |
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175 | cosTheta = TMath::Abs(momentum.CosTheta()); |
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176 | signPz = (momentum.Pz() >= 0.0) ? 1.0 : -1.0; |
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177 | eta = (cosTheta == 1.0 ? signPz*999.9 : momentum.Eta()); |
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178 | rapidity = (cosTheta == 1.0 ? signPz*999.9 : momentum.Rapidity()); |
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179 | |
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180 | entry->PID = candidate->PID; |
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181 | |
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182 | entry->Status = candidate->Status; |
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183 | entry->IsPU = candidate->IsPU; |
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184 | |
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185 | entry->M1 = candidate->M1; |
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186 | entry->M2 = candidate->M2; |
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187 | |
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188 | entry->D1 = candidate->D1; |
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189 | entry->D2 = candidate->D2; |
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190 | |
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191 | entry->Charge = candidate->Charge; |
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192 | entry->Mass = candidate->Mass; |
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193 | |
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194 | entry->E = momentum.E(); |
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195 | entry->Px = momentum.Px(); |
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196 | entry->Py = momentum.Py(); |
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197 | entry->Pz = momentum.Pz(); |
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198 | |
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199 | entry->Eta = eta; |
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200 | entry->Phi = momentum.Phi(); |
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201 | entry->PT = pt; |
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202 | |
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203 | entry->Rapidity = rapidity; |
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204 | |
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205 | entry->X = position.X(); |
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206 | entry->Y = position.Y(); |
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207 | entry->Z = position.Z(); |
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208 | entry->T = position.T(); |
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209 | } |
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210 | } |
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211 | |
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212 | //------------------------------------------------------------------------------ |
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213 | |
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214 | void TreeWriter::ProcessTracks(ExRootTreeBranch *branch, TObjArray *array) |
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215 | { |
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216 | TIter iterator(array); |
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217 | Candidate *candidate = 0; |
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218 | Candidate *particle = 0; |
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219 | Track *entry = 0; |
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220 | Double_t pt, signz, cosTheta, eta, rapidity; |
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221 | |
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222 | // loop over all jets |
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223 | iterator.Reset(); |
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224 | while((candidate = static_cast<Candidate*>(iterator.Next()))) |
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225 | { |
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226 | const TLorentzVector &position = candidate->Position; |
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227 | |
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228 | cosTheta = TMath::Abs(position.CosTheta()); |
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229 | signz = (position.Pz() >= 0.0) ? 1.0 : -1.0; |
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230 | eta = (cosTheta == 1.0 ? signz*999.9 : position.Eta()); |
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231 | rapidity = (cosTheta == 1.0 ? signz*999.9 : position.Rapidity()); |
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232 | |
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233 | entry = static_cast<Track*>(branch->NewEntry()); |
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234 | |
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235 | entry->SetBit(kIsReferenced); |
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236 | entry->SetUniqueID(candidate->GetUniqueID()); |
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237 | |
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238 | entry->PID = candidate->PID; |
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239 | |
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240 | entry->Charge = candidate->Charge; |
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241 | |
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242 | entry->EtaOuter = eta; |
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243 | entry->PhiOuter = position.Phi(); |
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244 | |
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245 | entry->XOuter = position.X(); |
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246 | entry->YOuter = position.Y(); |
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247 | entry->ZOuter = position.Z(); |
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248 | |
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249 | const TLorentzVector &momentum = candidate->Momentum; |
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250 | |
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251 | pt = momentum.Pt(); |
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252 | cosTheta = TMath::Abs(momentum.CosTheta()); |
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253 | signz = (momentum.Pz() >= 0.0) ? 1.0 : -1.0; |
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254 | eta = (cosTheta == 1.0 ? signz*999.9 : momentum.Eta()); |
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255 | rapidity = (cosTheta == 1.0 ? signz*999.9 : momentum.Rapidity()); |
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256 | |
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257 | entry->Eta = eta; |
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258 | entry->Phi = momentum.Phi(); |
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259 | entry->PT = pt; |
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260 | |
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261 | particle = static_cast<Candidate*>(candidate->GetCandidates()->At(0)); |
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262 | const TLorentzVector &initialPosition = particle->Position; |
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263 | |
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264 | entry->X = initialPosition.X(); |
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265 | entry->Y = initialPosition.Y(); |
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266 | entry->Z = initialPosition.Z(); |
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267 | |
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268 | entry->Particle = particle; |
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269 | } |
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270 | } |
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271 | |
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272 | //------------------------------------------------------------------------------ |
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273 | |
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274 | void TreeWriter::ProcessTowers(ExRootTreeBranch *branch, TObjArray *array) |
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275 | { |
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276 | TIter iterator(array); |
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277 | Candidate *candidate = 0; |
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278 | Tower *entry = 0; |
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279 | Double_t pt, signPz, cosTheta, eta, rapidity; |
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280 | |
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281 | // loop over all jets |
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282 | iterator.Reset(); |
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283 | while((candidate = static_cast<Candidate*>(iterator.Next()))) |
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284 | { |
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285 | const TLorentzVector &momentum = candidate->Momentum; |
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286 | |
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287 | pt = momentum.Pt(); |
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288 | cosTheta = TMath::Abs(momentum.CosTheta()); |
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289 | signPz = (momentum.Pz() >= 0.0) ? 1.0 : -1.0; |
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290 | eta = (cosTheta == 1.0 ? signPz*999.9 : momentum.Eta()); |
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291 | rapidity = (cosTheta == 1.0 ? signPz*999.9 : momentum.Rapidity()); |
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292 | |
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293 | entry = static_cast<Tower*>(branch->NewEntry()); |
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294 | |
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295 | entry->SetBit(kIsReferenced); |
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296 | entry->SetUniqueID(candidate->GetUniqueID()); |
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297 | |
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298 | entry->Eta = eta; |
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299 | entry->Phi = momentum.Phi(); |
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300 | entry->ET = pt; |
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301 | entry->E = momentum.E(); |
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302 | entry->Eem = candidate->Eem; |
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303 | entry->Ehad = candidate->Ehad; |
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304 | entry->Edges[0] = candidate->Edges[0]; |
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305 | entry->Edges[1] = candidate->Edges[1]; |
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306 | entry->Edges[2] = candidate->Edges[2]; |
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307 | entry->Edges[3] = candidate->Edges[3]; |
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308 | |
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309 | FillParticles(candidate, &entry->Particles); |
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310 | } |
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311 | } |
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312 | |
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313 | //------------------------------------------------------------------------------ |
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314 | |
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315 | void TreeWriter::ProcessPhotons(ExRootTreeBranch *branch, TObjArray *array) |
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316 | { |
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317 | TIter iterator(array); |
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318 | Candidate *candidate = 0; |
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319 | Photon *entry = 0; |
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320 | Double_t pt, signPz, cosTheta, eta, rapidity; |
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321 | |
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322 | array->Sort(); |
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323 | |
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324 | // loop over all photons |
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325 | iterator.Reset(); |
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326 | while((candidate = static_cast<Candidate*>(iterator.Next()))) |
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327 | { |
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328 | TIter it1(candidate->GetCandidates()); |
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329 | const TLorentzVector &momentum = candidate->Momentum; |
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330 | |
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331 | pt = momentum.Pt(); |
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332 | cosTheta = TMath::Abs(momentum.CosTheta()); |
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333 | signPz = (momentum.Pz() >= 0.0) ? 1.0 : -1.0; |
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334 | eta = (cosTheta == 1.0 ? signPz*999.9 : momentum.Eta()); |
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335 | rapidity = (cosTheta == 1.0 ? signPz*999.9 : momentum.Rapidity()); |
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336 | |
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337 | entry = static_cast<Photon*>(branch->NewEntry()); |
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338 | |
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339 | entry->Eta = eta; |
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340 | entry->Phi = momentum.Phi(); |
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341 | entry->PT = pt; |
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342 | entry->E = momentum.E(); |
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343 | |
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344 | entry->EhadOverEem = candidate->Eem > 0.0 ? candidate->Ehad/candidate->Eem : 999.9; |
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345 | |
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346 | FillParticles(candidate, &entry->Particles); |
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347 | } |
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348 | } |
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349 | |
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350 | //------------------------------------------------------------------------------ |
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351 | |
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352 | void TreeWriter::ProcessElectrons(ExRootTreeBranch *branch, TObjArray *array) |
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353 | { |
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354 | TIter iterator(array); |
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355 | Candidate *candidate = 0; |
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356 | Electron *entry = 0; |
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357 | Double_t pt, signPz, cosTheta, eta, rapidity; |
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358 | |
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359 | array->Sort(); |
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360 | |
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361 | // loop over all electrons |
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362 | iterator.Reset(); |
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363 | while((candidate = static_cast<Candidate*>(iterator.Next()))) |
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364 | { |
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365 | const TLorentzVector &momentum = candidate->Momentum; |
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366 | |
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367 | pt = momentum.Pt(); |
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368 | cosTheta = TMath::Abs(momentum.CosTheta()); |
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369 | signPz = (momentum.Pz() >= 0.0) ? 1.0 : -1.0; |
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370 | eta = (cosTheta == 1.0 ? signPz*999.9 : momentum.Eta()); |
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371 | rapidity = (cosTheta == 1.0 ? signPz*999.9 : momentum.Rapidity()); |
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372 | |
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373 | entry = static_cast<Electron*>(branch->NewEntry()); |
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374 | |
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375 | entry->Eta = eta; |
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376 | entry->Phi = momentum.Phi(); |
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377 | entry->PT = pt; |
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378 | |
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379 | entry->Charge = candidate->Charge; |
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380 | |
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381 | entry->EhadOverEem = 0.0; |
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382 | |
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383 | entry->Particle = candidate->GetCandidates()->At(0); |
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384 | } |
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385 | } |
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386 | |
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387 | //------------------------------------------------------------------------------ |
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388 | |
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389 | void TreeWriter::ProcessMuons(ExRootTreeBranch *branch, TObjArray *array) |
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390 | { |
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391 | TIter iterator(array); |
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392 | Candidate *candidate = 0; |
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393 | Muon *entry = 0; |
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394 | Double_t pt, signPz, cosTheta, eta, rapidity; |
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395 | |
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396 | array->Sort(); |
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397 | |
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398 | // loop over all muons |
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399 | iterator.Reset(); |
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400 | while((candidate = static_cast<Candidate*>(iterator.Next()))) |
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401 | { |
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402 | const TLorentzVector &momentum = candidate->Momentum; |
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403 | |
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404 | pt = momentum.Pt(); |
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405 | cosTheta = TMath::Abs(momentum.CosTheta()); |
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406 | signPz = (momentum.Pz() >= 0.0) ? 1.0 : -1.0; |
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407 | eta = (cosTheta == 1.0 ? signPz*999.9 : momentum.Eta()); |
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408 | rapidity = (cosTheta == 1.0 ? signPz*999.9 : momentum.Rapidity()); |
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409 | |
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410 | entry = static_cast<Muon*>(branch->NewEntry()); |
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411 | |
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412 | entry->SetBit(kIsReferenced); |
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413 | entry->SetUniqueID(candidate->GetUniqueID()); |
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414 | |
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415 | entry->Eta = eta; |
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416 | entry->Phi = momentum.Phi(); |
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417 | entry->PT = pt; |
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418 | |
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419 | entry->Charge = candidate->Charge; |
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420 | |
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421 | entry->Particle = candidate->GetCandidates()->At(0); |
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422 | } |
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423 | } |
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424 | |
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425 | //------------------------------------------------------------------------------ |
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426 | |
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427 | void TreeWriter::ProcessJets(ExRootTreeBranch *branch, TObjArray *array) |
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428 | { |
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429 | TIter iterator(array); |
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430 | Candidate *candidate = 0, *constituent = 0; |
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431 | Jet *entry = 0; |
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432 | Double_t pt, signPz, cosTheta, eta, rapidity; |
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433 | Double_t ecalEnergy, hcalEnergy; |
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434 | |
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435 | array->Sort(); |
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436 | |
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437 | // loop over all jets |
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438 | iterator.Reset(); |
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439 | while((candidate = static_cast<Candidate*>(iterator.Next()))) |
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440 | { |
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441 | TIter itConstituents(candidate->GetCandidates()); |
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442 | const TLorentzVector &momentum = candidate->Momentum; |
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443 | |
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444 | pt = momentum.Pt(); |
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445 | cosTheta = TMath::Abs(momentum.CosTheta()); |
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446 | signPz = (momentum.Pz() >= 0.0) ? 1.0 : -1.0; |
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447 | eta = (cosTheta == 1.0 ? signPz*999.9 : momentum.Eta()); |
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448 | rapidity = (cosTheta == 1.0 ? signPz*999.9 : momentum.Rapidity()); |
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449 | |
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450 | entry = static_cast<Jet*>(branch->NewEntry()); |
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451 | |
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452 | entry->Eta = eta; |
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453 | entry->Phi = momentum.Phi(); |
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454 | entry->PT = pt; |
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455 | |
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456 | entry->Mass = momentum.M(); |
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457 | |
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458 | entry->DeltaEta = candidate->DeltaEta; |
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459 | entry->DeltaPhi = candidate->DeltaPhi; |
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460 | |
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461 | entry->BTag = candidate->BTag; |
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462 | entry->TauTag = candidate->TauTag; |
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463 | |
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464 | entry->Charge = candidate->Charge; |
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465 | |
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466 | itConstituents.Reset(); |
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467 | entry->Constituents.Clear(); |
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468 | ecalEnergy = 0.0; |
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469 | hcalEnergy = 0.0; |
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470 | while((constituent = static_cast<Candidate*>(itConstituents.Next()))) |
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471 | { |
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472 | entry->Constituents.Add(constituent); |
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473 | ecalEnergy += constituent->Eem; |
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474 | hcalEnergy += constituent->Ehad; |
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475 | } |
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476 | |
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477 | entry->EhadOverEem = ecalEnergy > 0.0 ? hcalEnergy/ecalEnergy : 999.9; |
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478 | |
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479 | FillParticles(candidate, &entry->Particles); |
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480 | } |
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481 | } |
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482 | |
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483 | //------------------------------------------------------------------------------ |
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484 | |
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485 | void TreeWriter::ProcessMissingET(ExRootTreeBranch *branch, TObjArray *array) |
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486 | { |
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487 | Candidate *candidate = 0; |
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488 | MissingET *entry = 0; |
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489 | |
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490 | // get the first entry |
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491 | if((candidate = static_cast<Candidate*>(array->At(0)))) |
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492 | { |
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493 | const TLorentzVector &momentum = candidate->Momentum; |
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494 | |
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495 | entry = static_cast<MissingET*>(branch->NewEntry()); |
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496 | |
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497 | entry->Phi = (-momentum).Phi(); |
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498 | entry->MET = momentum.Pt(); |
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499 | } |
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500 | } |
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501 | |
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502 | //------------------------------------------------------------------------------ |
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503 | |
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504 | void TreeWriter::ProcessScalarHT(ExRootTreeBranch *branch, TObjArray *array) |
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505 | { |
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506 | Candidate *candidate = 0; |
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507 | ScalarHT *entry = 0; |
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508 | |
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509 | // get the first entry |
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510 | if((candidate = static_cast<Candidate*>(array->At(0)))) |
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511 | { |
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512 | const TLorentzVector &momentum = candidate->Momentum; |
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513 | |
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514 | entry = static_cast<ScalarHT*>(branch->NewEntry()); |
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515 | |
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516 | entry->HT = momentum.Pt(); |
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517 | } |
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518 | } |
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519 | |
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520 | //------------------------------------------------------------------------------ |
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521 | |
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522 | void TreeWriter::ProcessRho(ExRootTreeBranch *branch, TObjArray *array) |
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523 | { |
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524 | Candidate *candidate = 0; |
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525 | Rho *entry = 0; |
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526 | |
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527 | // get the first entry |
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528 | if((candidate = static_cast<Candidate*>(array->At(0)))) |
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529 | { |
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530 | const TLorentzVector &momentum = candidate->Momentum; |
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531 | |
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532 | entry = static_cast<Rho*>(branch->NewEntry()); |
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533 | |
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534 | entry->Rho = momentum.E(); |
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535 | } |
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536 | } |
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537 | |
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538 | //------------------------------------------------------------------------------ |
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539 | |
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540 | void TreeWriter::Process() |
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541 | { |
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542 | TBranchMap::iterator itBranchMap; |
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543 | ExRootTreeBranch *branch; |
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544 | TProcessMethod method; |
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545 | TObjArray *array; |
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546 | |
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547 | for(itBranchMap = fBranchMap.begin(); itBranchMap != fBranchMap.end(); ++itBranchMap) |
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548 | { |
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549 | branch = itBranchMap->first; |
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550 | method = itBranchMap->second.first; |
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551 | array = itBranchMap->second.second; |
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552 | |
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553 | (this->*method)(branch, array); |
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554 | } |
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555 | } |
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556 | |
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557 | //------------------------------------------------------------------------------ |
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