[1] | 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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