31 #ifndef SteppingAction_h
32 #define SteppingAction_h 1
G4LogicalVolume * lvol_module
void UserSteppingAction(const G4Step *)
G4LogicalVolume * lvol_world
G4double BirksAttenuation(const G4Step *)
G4LogicalVolume * lvol_layer
G4LogicalVolume * lvol_fiber
Detector construction class to demonstrate various ways of placement.
DetectorConstruction * detector