| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
7 // * conditions of the Geant4 Software License
8 // * LICENSE and available at http://cern.ch/
9 // * include a list of copyright holders.
10 // *
11 // * Neither the authors of this software syst
12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
14 // * regarding this software system or assum
15 // * use. Please see the license in the file
16 // * for the full disclaimer and the limitatio
17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
20 // * By using, copying, modifying or distri
21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26 //--------------------------------------------
27 //* |\___/|
28 //* ) (
29 //* =\ /=
30 //* )===(
31 //* / \ CaTS: Calorimeter a
32 //* | | is a flexible and e
33 //* / \ for the simulation
34 //* \ / systems
35 //* \__ _/ https://github.com/
36 //* ( (
37 //* ) )
38 //* (_(
39 //* CaTS also serves as an example that demons
40 //* opticks from within Geant4 for the creatio
41 //* optical photons.
42 //* see https://bitbucket.org/simoncblyth/opti
43 //* Ascii Art by Joan Stark: https://www.ascii
44 //--------------------------------------------
45 //
46 /// \file readMscHits.cc
47 /// \brief example how to read the CaTS::MscH
48 //
49 // Root headers
50 #include "TFile.h"
51 #include "TSystem.h"
52 #include "TTree.h"
53 #include "TH1.h"
54 #include <string>
55 // project headers
56 #include "Event.hh"
57 #include "MscHit.hh"
58 #include "G4ThreeVector.hh"
59
60 int main(int argc, char** argv)
61 {
62 // initialize ROOT
63 TSystem ts;
64 gSystem->Load("libCaTSClassesDict");
65 if(argc < 4)
66 {
67 G4cout << "Program requires 3 arguments: n
68 "output file, Volume that sensit
69 << G4endl;
70 exit(1);
71 }
72 TFile* outfile = new TFile(argv[2], "RECREAT
73 TFile fo(argv[1]);
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 outfile->cd();
80 TH1F* theta = new TH1F("angle
81 std::string CollectionName = argv[3];
82 CollectionName = CollectionName
83 for(Int_t i = 0; i < nevent; i++)
84 {
85 fevtbranch->GetEntry(i);
86 auto* hcmap = event->GetHCMap();
87 for(const auto& ele : *hcmap)
88 {
89 if(ele.first.compare(CollectionName) ==
90 {
91 auto hits = ele.second;
92 G4int NbHits = hits.size();
93 for(G4int ii = 0; ii < NbHits; ii++)
94 {
95 MscHit* mscHit = dynamic_cast<MscHit
96 G4ThreeVector invec(0, 0, 1.);
97 std::cout << std::setprecision(12) <
98 << std::setprecision(12) <
99 << " " << std::setprecisio
100 << mscHit->GetMomentum().g
101 << std::setprecision(12) <
102 << std::endl;
103 theta->Fill(invec.angle(mscHit->GetM
104 }
105 }
106 }
107 }
108 outfile->Write();
109 }
110