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CommAnaTrackSelection.C
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1 #include <g4main/Fun4AllDstPileupInputManager.h>
2 
3 #include <G4_Magnet.C>
4 #include <G4_Tracking.C>
5 #include <QA.C>
6 
7 #include <FROG.h>
8 #include <fun4all/Fun4AllDstInputManager.h>
9 
10 #include <g4eval/SvtxEvaluator.h>
11 #include <g4eval/SvtxTruthRecoTableEval.h>
12 
13 #include <kfparticle_sphenix/KFParticle_sPHENIX.h>
14 
15 R__LOAD_LIBRARY(libfun4all.so)
16 R__LOAD_LIBRARY(libkfparticle_sphenix.so)
17 
18 using namespace std;
19 
20 /****************************/
21 /* MDC2 Reco for MDC2 */
22 /* Cameron Dean, LANL, 2021 */
23 /* cdean@bnl.gov */
24 /****************************/
25 
26 void CommAnaTrackSelection(vector<string> myInputLists = {"/sphenix/u/rosstom/analysis/FilterEvents/macro/test.root"}, const int nEvents = 10)
27 {
28  //Create the server
29  Fun4AllServer *se = Fun4AllServer::instance();
30  se->Verbosity(INT_MAX);
31 
32  //Add all required input files
33  for (unsigned int i = 0; i < myInputLists.size(); ++i)
34  {
35  Fun4AllInputManager *infile = new Fun4AllDstInputManager("DSTin_" + to_string(i));
36  infile->fileopen(myInputLists[i]);
37  se->registerInputManager(infile);
38  }
39 
40  //auto in = new Fun4AllDstInputManager("DSTin1");
41  //in->fileopen(myInputLists[0]);
42  //se->registerInputManager(in);
43 
44  Enable::MVTX = true;
45  Enable::INTT = true;
46  Enable::TPC = true;
47  Enable::TPC_ABSORBER = true;
48  Enable::MICROMEGAS=true;
49 
50  G4MAGNET::magfield_rescale = 1.;
51  MagnetInit();
52  MagnetFieldInit();
53 
54  //Mvtx_Cells();
55  //Intt_Cells();
56  //TPC_Cells();
57  //Micromegas_Cells();
58 
59  TrackingInit();
60 
61  Tracking_Reco_TrackFit(); //PHACTSTrackFitter, cut out this section
62 
63  string decayDescriptor = "[D0 -> K^- pi^+]cc";
64 
65  KFParticle_sPHENIX *kfparticle = new KFParticle_sPHENIX("CommAnaTrackSelection");
66  kfparticle->Verbosity(INT_MAX);
67 
68  kfparticle->setDecayDescriptor(decayDescriptor);
69 
70  kfparticle->doTruthMatching(false);
71  kfparticle->getDetectorInfo(false);
72  kfparticle->getCaloInfo(false);
73  kfparticle->getAllPVInfo(false);
74  kfparticle->allowZeroMassTracks(true);
75  kfparticle->saveDST(true);
76  kfparticle->saveParticleContainer(true);
77  kfparticle->saveOutput(true); //false in final system, true for debugging
78 
79  bool fixToPV = true;
80  bool useFakePV = false;
81 
82  if (useFakePV)
83  {
84  fixToPV = false; //Constraining to a fake PV results in some gibberish variables
85  kfparticle->useFakePrimaryVertex(true);
86  }
87 
88  if (fixToPV)
89  {
90  kfparticle->constrainToPrimaryVertex(true);
91  kfparticle->setMotherIPchi2(5000);
92  kfparticle->setFlightDistancechi2(-1.);
93  kfparticle->setMinDIRA(-1.1);
94  }
95 
96  //Track parameters
97  kfparticle->setMinimumTrackPT(0.0);
98  kfparticle->setMinimumTrackIPchi2(-1.0);
99  kfparticle->setMinimumTrackIP(-0.01);
100  kfparticle->setMaximumTrackchi2nDOF(200);
101 
102  kfparticle->setMaximumVertexchi2nDOF(200);
103  kfparticle->setMaximumDaughterDCA(1);
104 
105  //Parent parameters
106  kfparticle->setMotherPT(0);
107  kfparticle->setMinimumMass(1.7);
108  kfparticle->setMaximumMass(2.1);
109 
110  kfparticle->setOutputName("outputKFP.root");
111 
112  se->registerSubsystem(kfparticle);
113 
114  se->run(nEvents);
115 
116  se->End();
117 
118  std::cout << "All done" << std::endl;
119  delete se;
120  gSystem->Exit(0);
121 
122  return;
123 }