| Geant4 Cross Reference |
1 //
2 // ********************************************************************
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24 // ********************************************************************
25 //
26 //
27 //---------------------------------------------------------------------
28 //* |\___/| *
29 //* ) ( *
30 //* =\ /= *
31 //* )===( *
32 //* / \ CaTS: Calorimeter and Tracker Simulation *
33 //* | | is a flexible and extend-able framework *
34 //* / \ for the simulation of various detector *
35 //* \ / systems *
36 //* \__ _/ https://github.com/hanswenzel/CaTS *
37 //* ( ( *
38 //* ) ) *
39 //* (_( *
40 //* CaTS also serves as an example that demonstrates how to use *
41 //* opticks from within Geant4 for the creation and propagation of *
42 //* optical photons. *
43 //* see https://bitbucket.org/simoncblyth/opticks.git). *
44 //* Ascii Art by Joan Stark: https://www.asciiworld.com/-Cats-2-.html *
45 //---------------------------------------------------------------------
46 //
47 /// \file readCalorimeterHits.cc
48 /// \brief example how to read the CaTS::CalorimeterHits
49 //
50 // Root headers
51 #include "TFile.h"
52 #include "TSystem.h"
53 #include "TTree.h"
54 #include "TH1.h"
55 // project headers
56 #include "Event.hh"
57 #include "CalorimeterHit.hh"
58
59 int main(int argc, char** argv)
60 {
61 // initialize ROOT
62 TSystem ts;
63 gSystem->Load("libCaTSClassesDict");
64 if(argc < 3)
65 {
66 G4cout
67 << "Program requires 2 arguments: name of input file, name of output file"
68 << G4endl;
69 exit(1);
70 }
71 TFile* outfile = new TFile(argv[2], "RECREATE");
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 std::cout << " Nr. of Events: " << nevent << std::endl;
80 double max = 0.;
81 double min = 1000000;
82 std::string CollectionName = argv[3];
83 CollectionName = CollectionName + "_Calorimeter_HC";
84 for(Int_t i = 0; i < nevent; i++)
85 {
86 fevtbranch->GetEntry(i);
87 auto* hcmap = event->GetHCMap();
88 for(const auto& ele : *hcmap)
89 {
90 if(ele.first.compare(CollectionName) == 0)
91 {
92 auto hits = ele.second;
93 G4int NbHits = hits.size();
94 for(G4int ii = 0; ii < NbHits; ii++)
95 {
96 CalorimeterHit* drcaloHit =
97 dynamic_cast<CalorimeterHit*>(hits.at(ii));
98 const double ed = drcaloHit->GetEdep();
99 if(ed > max)
100 max = ed;
101 if(ed < min)
102 min = ed;
103 }
104 }
105 }
106 }
107 outfile->cd();
108 TH1F* hedep =
109 new TH1F("energy", "edep", 100, min - 0.1 * min, max + 0.1 * max);
110 for(Int_t i = 0; i < nevent; i++)
111 {
112 fevtbranch->GetEntry(i);
113 auto* hcmap = event->GetHCMap();
114 for(const auto& ele : *hcmap)
115 {
116 if(ele.first.compare(CollectionName) == 0)
117 {
118 auto hits = ele.second;
119 G4int NbHits = hits.size();
120 for(G4int ii = 0; ii < NbHits; ii++)
121 {
122 CalorimeterHit* drcaloHit =
123 dynamic_cast<CalorimeterHit*>(hits.at(ii));
124 hedep->Fill(drcaloHit->GetEdep());
125 }
126 }
127 }
128 }
129 // hedep->Fit("gaus");
130 outfile->Write();
131 }
132