| Geant4 Cross Reference |
1 //
2 // ********************************************************************
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24 // ********************************************************************
25 //
26 //---------------------------------------------------------------------
27 //* |\___/| *
28 //* ) ( *
29 //* =\ /= *
30 //* )===( *
31 //* / \ CaTS: Calorimeter and Tracker Simulation *
32 //* | | is a flexible and extend-able framework *
33 //* / \ for the simulation of various detector *
34 //* \ / systems *
35 //* \__ _/ https://github.com/hanswenzel/CaTS *
36 //* ( ( *
37 //* ) ) *
38 //* (_( *
39 //* CaTS also serves as an example that demonstrates how to use *
40 //* opticks from within Geant4 for the creation and propagation of *
41 //* optical photons. *
42 //* see https://bitbucket.org/simoncblyth/opticks.git). *
43 //* Ascii Art by Joan Stark: https://www.asciiworld.com/-Cats-2-.html *
44 //---------------------------------------------------------------------
45 //
46 /// \file readDRCalorimeterHits.cc
47 /// \brief example how to read the CaTS::DRCalorimeterHits
48 //
49 // Root headers
50 #include "TFile.h"
51 #include "TSystem.h"
52 #include "TTree.h"
53 #include "TH1.h"
54 // project headers
55 #include "Event.hh"
56 #include "DRCalorimeterHit.hh"
57
58 int main(int argc, char** argv)
59 {
60 // initialize ROOT
61 TSystem ts;
62 gSystem->Load("libCaTSClassesDict");
63 if(argc < 4)
64 {
65 G4cout << "Program requires 3 arguments: name of input file, name of "
66 "output file, Volume that sensitive detector is attached to"
67 << G4endl;
68 exit(1);
69 }
70 TFile* outfile = new TFile(argv[2], "RECREATE");
71 outfile->cd();
72 TFile fo(argv[1]);
73 fo.GetListOfKeys()->Print();
74 Event* event = new Event();
75 TTree* Tevt = (TTree*) fo.Get("Events");
76 Tevt->SetBranchAddress("event.", &event);
77 TBranch* fevtbranch = Tevt->GetBranch("event.");
78 Int_t nevent = fevtbranch->GetEntries();
79 G4cout << " Nr. of Events: " << nevent << G4endl;
80 double max = 0.;
81 double min = 1000000;
82 double nmax = 0.;
83 double nmin = 1000000000;
84 std::string CollectionName = argv[3];
85 CollectionName = CollectionName + "_DRCalorimeter_HC";
86 for(Int_t i = 0; i < nevent; i++)
87 {
88 fevtbranch->GetEntry(i);
89 auto* hcmap = event->GetHCMap();
90 for(const auto& ele : *hcmap)
91 {
92 if(ele.first.compare(CollectionName) == 0)
93 {
94 auto hits = ele.second;
95 G4int NbHits = hits.size();
96 for(G4int ii = 0; ii < NbHits; ii++)
97 {
98 DRCalorimeterHit* drcaloHit =
99 dynamic_cast<DRCalorimeterHit*>(hits.at(ii));
100 const double ed = drcaloHit->GetEdep();
101 if(ed > max)
102 max = ed;
103 if(ed < min)
104 min = ed;
105 const unsigned int nceren = drcaloHit->GetNceren();
106 if(nceren > nmax)
107 nmax = nceren;
108 if(nceren < nmin)
109 nmin = nceren;
110 }
111 }
112 }
113 }
114 outfile->cd();
115 TH1F* hedep = new TH1F("energy", "edep", 100, min, max);
116 TH1F* hnceren = new TH1F("nceren", "nceren", 100, nmin, nmax);
117 for(Int_t i = 0; i < nevent; i++)
118 {
119 fevtbranch->GetEntry(i);
120 auto* hcmap = event->GetHCMap();
121 for(const auto& ele : *hcmap)
122 {
123 if(ele.first.compare(CollectionName) == 0)
124 {
125 auto hits = ele.second;
126 G4int NbHits = hits.size();
127 for(G4int ii = 0; ii < NbHits; ii++)
128 {
129 DRCalorimeterHit* drcaloHit =
130 dynamic_cast<DRCalorimeterHit*>(hits.at(ii));
131 hedep->Fill(drcaloHit->GetEdep());
132 hnceren->Fill(drcaloHit->GetNceren());
133 }
134 }
135 }
136 }
137 // hedep->Fit("gaus");
138 // hnceren->Fit("gaus");
139 outfile->Write();
140 }
141