1 | |
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2 | /** \class Merger |
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3 | * |
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4 | * Merges multiple input arrays into one output array |
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5 | * and sums transverse momenta of all input objects. |
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6 | * |
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7 | * $Date: 2012-11-18 15:57:08 +0100 (Sun, 18 Nov 2012) $ |
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8 | * $Revision: 814 $ |
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9 | * |
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10 | * |
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11 | * \author P. Demin - UCL, Louvain-la-Neuve |
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12 | * |
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13 | */ |
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14 | |
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15 | #include "modules/Merger.h" |
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16 | |
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17 | #include "classes/DelphesClasses.h" |
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18 | #include "classes/DelphesFactory.h" |
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19 | #include "classes/DelphesFormula.h" |
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20 | |
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21 | #include "ExRootAnalysis/ExRootResult.h" |
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22 | #include "ExRootAnalysis/ExRootFilter.h" |
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23 | #include "ExRootAnalysis/ExRootClassifier.h" |
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24 | |
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25 | #include "TMath.h" |
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26 | #include "TString.h" |
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27 | #include "TFormula.h" |
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28 | #include "TRandom3.h" |
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29 | #include "TObjArray.h" |
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30 | #include "TDatabasePDG.h" |
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31 | #include "TLorentzVector.h" |
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32 | |
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33 | #include <algorithm> |
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34 | #include <stdexcept> |
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35 | #include <iostream> |
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36 | #include <sstream> |
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37 | |
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38 | using namespace std; |
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39 | |
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40 | //------------------------------------------------------------------------------ |
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41 | |
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42 | Merger::Merger() |
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43 | { |
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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 | Merger::~Merger() |
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49 | { |
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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 | void Merger::Init() |
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55 | { |
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56 | // import arrays with output from other modules |
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57 | |
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58 | ExRootConfParam param = GetParam("InputArray"); |
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59 | Long_t i, size; |
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60 | const TObjArray *array; |
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61 | TIterator *iterator; |
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62 | DelphesFormula *formula; |
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63 | |
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64 | size = param.GetSize(); |
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65 | for(i = 0; i < size/2; ++i) |
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66 | { |
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67 | array = ImportArray(param[i*2].GetString()); |
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68 | iterator = array->MakeIterator(); |
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69 | |
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70 | formula = new DelphesFormula; |
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71 | formula->Compile(param[i*2 + 1].GetString()); |
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72 | |
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73 | fInputMap[iterator] = formula; |
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74 | } |
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75 | |
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76 | // create output arrays |
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77 | |
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78 | fOutputArray = ExportArray(GetString("OutputArray", "candidates")); |
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79 | |
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80 | fMomentumOutputArray = ExportArray(GetString("MomentumOutputArray", "momentum")); |
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81 | } |
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82 | |
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83 | //------------------------------------------------------------------------------ |
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84 | |
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85 | void Merger::Finish() |
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86 | { |
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87 | map< TIterator *, DelphesFormula * >::iterator itInputMap; |
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88 | TIterator *iterator; |
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89 | DelphesFormula *formula; |
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90 | |
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91 | for(itInputMap = fInputMap.begin(); itInputMap != fInputMap.end(); ++itInputMap) |
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92 | { |
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93 | iterator = itInputMap->first; |
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94 | formula = itInputMap->second; |
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95 | |
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96 | if(iterator) delete iterator; |
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97 | if(formula) delete formula; |
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98 | } |
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99 | } |
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100 | |
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101 | //------------------------------------------------------------------------------ |
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102 | |
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103 | void Merger::Process() |
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104 | { |
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105 | Candidate *candidate; |
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106 | TLorentzVector momentum; |
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107 | Double_t eta, pt; |
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108 | map< TIterator *, DelphesFormula * >::iterator itInputMap; |
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109 | TIterator *iterator; |
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110 | DelphesFormula *formula; |
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111 | |
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112 | DelphesFactory *factory = GetFactory(); |
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113 | |
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114 | momentum.SetPxPyPzE(0.0, 0.0, 0.0, 0.0); |
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115 | |
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116 | // loop over all input arrays |
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117 | for(itInputMap = fInputMap.begin(); itInputMap != fInputMap.end(); ++itInputMap) |
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118 | { |
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119 | iterator = itInputMap->first; |
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120 | formula = itInputMap->second; |
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121 | |
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122 | // loop over all candidates |
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123 | iterator->Reset(); |
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124 | while((candidate = static_cast<Candidate*>(iterator->Next()))) |
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125 | { |
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126 | const TLorentzVector &candidatePosition = candidate->Position; |
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127 | const TLorentzVector &candidateMomentum = candidate->Momentum; |
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128 | |
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129 | eta = candidatePosition.Eta(); |
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130 | pt = candidateMomentum.Pt(); |
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131 | |
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132 | if(formula->Eval(pt, eta)) |
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133 | { |
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134 | momentum += candidateMomentum; |
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135 | fOutputArray->Add(candidate); |
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136 | } |
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137 | } |
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138 | } |
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139 | |
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140 | candidate = factory->NewCandidate(); |
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141 | |
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142 | candidate->Position.SetXYZT(0.0, 0.0, 0.0, 0.0); |
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143 | candidate->Momentum = momentum; |
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144 | |
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145 | fMomentumOutputArray->Add(candidate); |
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146 | } |
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147 | |
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148 | //------------------------------------------------------------------------------ |
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