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source: git/modules/TrackEfficiency.cc@ 0518688

ImprovedOutputFile Timing llp
Last change on this file since 0518688 was c749957, checked in by Michele Selvaggi <michele.selvaggi@…>, 6 years ago

new modules and classes for llp

  • Property mode set to 100644
File size: 3.3 KB
Line 
1/*
2 * Delphes: a framework for fast simulation of a generic collider experiment
3 * Copyright (C) 2012-2014 Universite catholique de Louvain (UCL), Belgium
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19
20/** \class TrackEfficiency
21 *
22 * Selects candidates from the InputArray according to the Efficiency formula.
23 *
24 * \author M. Selvaggi - CERN
25 *
26 */
27
28#include "modules/TrackEfficiency.h"
29
30#include "classes/DelphesClasses.h"
31#include "classes/DelphesFactory.h"
32#include "classes/DelphesLongFormula.h"
33
34#include "ExRootAnalysis/ExRootResult.h"
35#include "ExRootAnalysis/ExRootFilter.h"
36#include "ExRootAnalysis/ExRootClassifier.h"
37
38#include "TMath.h"
39#include "TString.h"
40#include "TFormula.h"
41#include "TRandom3.h"
42#include "TObjArray.h"
43#include "TDatabasePDG.h"
44#include "TLorentzVector.h"
45
46#include <algorithm>
47#include <stdexcept>
48#include <iostream>
49#include <sstream>
50
51using namespace std;
52
53//------------------------------------------------------------------------------
54
55TrackEfficiency::TrackEfficiency() :
56 fFormula(0), fItInputArray(0)
57{
58 fFormula = new DelphesLongFormula;
59}
60
61//------------------------------------------------------------------------------
62
63TrackEfficiency::~TrackEfficiency()
64{
65 if(fFormula) delete fFormula;
66}
67
68//------------------------------------------------------------------------------
69
70void TrackEfficiency::Init()
71{
72 // read TrackEfficiency formula
73
74 fFormula->Compile(GetString("EfficiencyFormula", "1.0"));
75
76 // import input array
77 fInputArray = ImportArray(GetString("InputArray", "ParticlePropagator/stableParticles"));
78 fItInputArray = fInputArray->MakeIterator();
79
80 // create output array
81
82 fOutputArray = ExportArray(GetString("OutputArray", "stableParticles"));
83}
84
85//------------------------------------------------------------------------------
86
87void TrackEfficiency::Finish()
88{
89 if(fItInputArray) delete fItInputArray;
90}
91
92//------------------------------------------------------------------------------
93
94void TrackEfficiency::Process()
95{
96 Candidate *candidate;
97 Double_t pt, eta, phi, e, d0, dz, ctgTheta;
98
99 fItInputArray->Reset();
100 while((candidate = static_cast<Candidate*>(fItInputArray->Next())))
101 {
102 const TLorentzVector &candidatePosition = candidate->Position;
103 const TLorentzVector &candidateMomentum = candidate->Momentum;
104 eta = candidatePosition.Eta();
105 phi = candidatePosition.Phi();
106 pt = candidateMomentum.Pt();
107 e = candidateMomentum.E();
108 d0 = candidate->D0;
109 dz = candidate->DZ;
110 ctgTheta = candidate->CtgTheta;
111
112 // apply an efficency formula
113 if(gRandom->Uniform() > fFormula->Eval(pt, eta, phi, e, d0, dz, ctgTheta)) continue;
114
115 fOutputArray->Add(candidate);
116 }
117}
118
119//------------------------------------------------------------------------------
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