30#ifndef INCLUDE_EXP02GEOTREE_H
31#define INCLUDE_EXP02GEOTREE_H 1
34#include "G4VPhysicalVolume.hh"
35#include "G4Element.hh"
36#include "G4ElementTable.hh"
37#include "G4Material.hh"
Helper class needed for the ROOT I/O.
G4VPhysicalVolume * TopVol()
const G4ElementTable * fEltab
G4VPhysicalVolume * fTopV