Geant4 Cross Reference

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Geant4/examples/extended/persistency/P01/src/RootIO.cc

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  1 //
  2 // ********************************************************************
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 25 //
 26 /// \file persistency/P01/src/RootIO.cc
 27 /// \brief Implementation of the RootIO class
 28 //
 29 //
 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 32 
 33 #include "RootIO.hh"
 34 
 35 #include <sstream>
 36 //
 37 #include "G4Event.hh"
 38 #include "G4EventManager.hh"
 39 #include "G4HCofThisEvent.hh"
 40 #include "G4SDManager.hh"
 41 //
 42 
 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 44 
 45 static RootIO* instance = 0;
 46 
 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 48 
 49 RootIO::RootIO() : fNevents(0)
 50 {
 51   // initialize ROOT
 52   TSystem ts;
 53   gSystem->Load("libExP01ClassesDict");
 54 
 55   // gDebug = 1;
 56 
 57   fFile = new TFile("hits.root", "RECREATE");
 58 }
 59 
 60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 61 
 62 RootIO::~RootIO() {}
 63 
 64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 65 
 66 RootIO* RootIO::GetInstance()
 67 {
 68   if (instance == 0) {
 69     instance = new RootIO();
 70   }
 71   return instance;
 72 }
 73 
 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 75 
 76 void RootIO::Write(std::vector<ExP01TrackerHit*>* hcont)
 77 {
 78   fNevents++;
 79 
 80   std::ostringstream os;
 81   os << fNevents;
 82   std::string stevt = "Event_" + os.str();
 83   const char* chevt = stevt.c_str();
 84 
 85   G4cout << "writing " << stevt << G4endl;
 86 
 87   fFile->WriteObject(hcont, chevt);
 88 }
 89 
 90 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 91 
 92 void RootIO::Close()
 93 {
 94   fFile->Close();
 95 }
 96 
 97 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 98