P03/src/ExTGDetectorConstruction.cc

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0026 //
0027 /// \file persistency/P03/src/ExTGDetectorConstruction.cc
0028 /// \brief Implementation of the ExTGDetectorConstruction class
0029
0030 #include "ExTGDetectorConstruction.hh"
0031
0032 #include "G4tgbVolumeMgr.hh"
0033 #include "G4tgrMessenger.hh"
0034
0035 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0036 ExTGDetectorConstruction::ExTGDetectorConstruction()
0037 {
0038   fMessenger = new G4tgrMessenger;
0039 }
0040
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042 ExTGDetectorConstruction::~ExTGDetectorConstruction()
0043 {
0044   delete fMessenger;
0045 }
0046
0047 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0048 G4VPhysicalVolume* ExTGDetectorConstruction::Construct()
0049 {
0050   //------------------------------------------------
0051   // Define one or several text files containing the geometry description
0052   //------------------------------------------------
0053   G4String filename = "g4geom.txt";
0054   G4tgbVolumeMgr* volmgr = G4tgbVolumeMgr::GetInstance();
0055   volmgr->AddTextFile(filename);
0056
0057   //------------------------------------------------
0058   // Read the text files and construct the GEANT4 geometry
0059   //------------------------------------------------
0060   G4VPhysicalVolume* physiWorld = volmgr->ReadAndConstructDetector();
0061
0062   return physiWorld;
0063 }