Geant4 Cross Reference

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Geant4/examples/extended/persistency/P02/src/ExP02DetConstrReader.cc

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 25 //
 26 /// \file persistency/P02/src/ExP02DetConstrReader.cc
 27 /// \brief Implementation of the ExP02DetConstrReader class
 28 //
 29 //
 30 // ROOT
 31 #include "TFile.h"
 32 #include "TROOT.h"
 33 #include "TSystem.h"
 34 
 35 // G4
 36 #include "ExP02GeoTree.hh"
 37 
 38 #include "G4Element.hh"
 39 #include "G4PVPlacement.hh"
 40 
 41 // local
 42 #include "ExP02DetConstrReader.hh"
 43 
 44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 45 
 46 ExP02DetConstrReader::ExP02DetConstrReader() : G4VUserDetectorConstruction()
 47 {
 48   // initialize ROOT
 49   TSystem ts;
 50   gSystem->Load("libExP02ClassesDict");
 51 }
 52 
 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 54 
 55 ExP02DetConstrReader::~ExP02DetConstrReader() {}
 56 
 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 58 
 59 G4VPhysicalVolume* ExP02DetConstrReader::Construct()
 60 {
 61   ExP02GeoTree* geotree;
 62 
 63   TFile fo("geo.root");
 64   fo.GetObject("my_geo", geotree);
 65 
 66   return geotree->TopVol();
 67 }
 68