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Fun4All_G4_Clusters.C
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1 int Min_cemc_layer = 1;
2 int Max_cemc_layer = 1;
4  int nEvents = 100,
5  const char * inputFile = "/phenix/sim01/sPHENIX/pythia/reference_design/fieldmap/G4Hits_Pythia_0.root",
6  const char * outputFile = "G4sPHENIXClusters.root"
7  )
8 {
9  //---------------
10  // Load libraries
11  //---------------
12 
13  gSystem->Load("libfun4all.so");
14  gSystem->Load("libg4detectors.so");
15  gSystem->Load("libphhepmc.so");
16  gSystem->Load("libg4testbench.so");
17  gSystem->Load("libg4hough.so");
18  gSystem->Load("libcemc.so");
19  gSystem->Load("libg4eval.so");
20 
22  se->Verbosity(0);
23 
24  //------------------
25  // Detector Division
26  //------------------
27 
28  PHG4CylinderCellReco *cemc_cells = new PHG4CylinderCellReco("CEMCCYLCELLRECO");
29  cemc_cells->Detector("CEMC");
30  for (int i = Min_cemc_layer; i <= Max_cemc_layer; i++) {
31  cemc_cells->etaphisize(i, 0.024, 0.024);
32  }
33  se->registerSubsystem(cemc_cells);
34 
35  //-----------------------------
36  // CEMC towering and clustering
37  //-----------------------------
38  RawTowerBuilder *TowerBuilder = new RawTowerBuilder("EmcRawTowerBuilder");
39  TowerBuilder->Detector("CEMC");
40  TowerBuilder->Verbosity(0);
41  se->registerSubsystem( TowerBuilder );
42 
43  RawClusterBuilder* ClusterBuilder = new RawClusterBuilder("EmcRawClusterBuilder");
44  ClusterBuilder->Detector("CEMC");
45  ClusterBuilder->Verbosity(0);
46  se->registerSubsystem( ClusterBuilder );
47 
48 
49  // Hits file
50  Fun4AllInputManager *hitsin = new Fun4AllDstInputManager("DSTin");
51  hitsin->fileopen(inputFile);
52  se->registerInputManager(hitsin);
53  Fun4AllDstOutputManager *out = new Fun4AllDstOutputManager("DSTOUT", outputFile);
54  out->AddNode("G4HIT_CEMC");
55  out->AddNode("G4CELL_CEMC");
56  out->AddNode("TOWER_CEMC");
57  out->AddNode("CLUSTER_CEMC");
58  se->registerOutputManager(out);
59 
60  //-----------------
61  // Event processing
62  //-----------------
63  se->run(nEvents);
64 
65  //-----
66  // Exit
67  //-----
68 
69  se->End();
70  std::cout << "All done" << std::endl;
71  delete se;
72  gSystem->Exit(0);
73 }