41             "File-writing graphics driver",
 
   60     "G4XXXFile::CreateViewer: ERROR flagged by negative" 
   61         " view id in G4XXXFileViewer creation." 
   62         "\n Destroying view and returning null pointer." 
   70       "G4XXXFile::CreateViewer: ERROR: null pointer on new G4XXXFileViewer." 
G4VViewer * CreateViewer(G4VSceneHandler &, const G4String &name="")
 
G4GLOB_DLL std::ostream G4cout
 
G4VSceneHandler * CreateSceneHandler(const G4String &name="")
 
G4GLOB_DLL std::ostream G4cerr