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25 //
26 /// \file analysis/AnaEx02/src/HistoManager.cc
27 /// \brief Implementation of the HistoManager class
28 //
29 //
30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32
33 #include "HistoManager.hh"
34
35 #include "G4UnitsTable.hh"
36
37 #include <CLHEP/Units/SystemOfUnits.h>
38 #include <TFile.h>
39 #include <TH1D.h>
40 #include <TTree.h>
41
42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43
44 HistoManager::~HistoManager()
45 {
46 delete fRootFile;
47 }
48
49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
50
51 void HistoManager::Book()
52 {
53 // Creating a tree container to handle histograms and ntuples.
54 // This tree is associated to an output file.
55 //
56 G4String fileName = "AnaEx02.root";
57 fRootFile = new TFile(fileName, "RECREATE");
58 if (fRootFile == nullptr) {
59 G4cout << " HistoManager::Book :"
60 << " problem creating the ROOT TFile " << G4endl;
61 return;
62 }
63
64 // id = 0
65 fHisto[0] = new TH1D("EAbs", "Edep in absorber (MeV)", 100, 0., 800 * CLHEP::MeV);
66 // id = 1
67 fHisto[1] = new TH1D("EGap", "Edep in gap (MeV)", 100, 0., 100 * CLHEP::MeV);
68 // id = 2
69 fHisto[2] = new TH1D("LAbs", "trackL in absorber (mm)", 100, 0., 1 * CLHEP::m);
70 // id = 3
71 fHisto[3] = new TH1D("LGap", "trackL in gap (mm)", 100, 0., 50 * CLHEP::cm);
72
73 for (G4int i = 0; i < kMaxHisto; ++i) {
74 if (fHisto[i] == nullptr) {
75 G4cout << "\n can't create histo " << i << G4endl;
76 }
77 }
78
79 // create 1st ntuple
80 fNtuple1 = new TTree("Ntuple1", "Edep");
81 fNtuple1->Branch("Eabs", &fEabs, "Eabs/D");
82 fNtuple1->Branch("Egap", &fEgap, "Egap/D");
83
84 // create 2nd ntuple
85 fNtuple2 = new TTree("Ntuple2", "TrackL");
86 fNtuple2->Branch("Labs", &fLabs, "Labs/D");
87 fNtuple2->Branch("Lgap", &fLgap, "Lgap/D");
88
89 G4cout << "\n----> Output file is open in " << fileName << G4endl;
90 }
91
92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
93
94 void HistoManager::Save()
95 {
96 if (fRootFile == nullptr) {
97 return;
98 }
99
100 fRootFile->Write(); // Writing the histograms to the file
101 fRootFile->Close(); // and closing the tree (and the file)
102
103 G4cout << "\n----> Histograms and ntuples are saved\n" << G4endl;
104 }
105
106 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
107
108 void HistoManager::FillHisto(G4int ih, G4double xbin, G4double weight)
109 {
110 if (ih >= kMaxHisto) {
111 G4cerr << "---> warning from HistoManager::FillHisto() : histo " << ih
112 << " does not exist. (xbin=" << xbin << " weight=" << weight << ")" << G4endl;
113 return;
114 }
115 if (fHisto[ih] != nullptr) {
116 fHisto[ih]->Fill(xbin, weight);
117 }
118 }
119
120 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
121
122 void HistoManager::Normalize(G4int ih, G4double fac)
123 {
124 if (ih >= kMaxHisto) {
125 G4cout << "---> warning from HistoManager::Normalize() : histo " << ih
126 << " does not exist. (fac=" << fac << ")" << G4endl;
127 return;
128 }
129 if (fHisto[ih] != nullptr) {
130 fHisto[ih]->Scale(fac);
131 }
132 }
133
134 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
135
136 void HistoManager::FillNtuple(G4double energyAbs, G4double energyGap, G4double trackLAbs,
137 G4double trackLGap)
138 {
139 fEabs = energyAbs;
140 fEgap = energyGap;
141 fLabs = trackLAbs;
142 fLgap = trackLGap;
143
144 if (fNtuple1 != nullptr) {
145 fNtuple1->Fill();
146 }
147 if (fNtuple2 != nullptr) {
148 fNtuple2->Fill();
149 }
150 }
151
152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
153
154 void HistoManager::PrintStatistic()
155 {
156 G4cout << "\n ----> print histograms statistic \n" << G4endl;
157 for (auto h1 : fHisto) {
158 const G4String name = h1->GetName();
159
160 G4String unitCategory;
161 if (name[0] == 'E') {
162 unitCategory = "Energy";
163 }
164 if (name[0] == 'L') {
165 unitCategory = "Length";
166 }
167
168 G4cout << name << ": mean = " << G4BestUnit(h1->GetMean(), unitCategory)
169 << " rms = " << G4BestUnit(h1->GetRMS(), unitCategory) << G4endl;
170 }
171 }
172
173 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
174