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// $Id: G4EzWorld.hh,v 1.1 2008/12/01 07:07:34 kmura Exp $
// $Name: geant4-09-04-beta-01 $
// ====================================================================
//   G4EzWorld.hh
//
//   Utility class for supporting creating user geometry
//
//   management of a world volume
//
//                                         2005 Q
// ====================================================================
#ifndef G4_EZ_WORLD_H
#define G4_EZ_WORLD_H

#include "globals.hh"

// ====================================================================
//
// class definition
//
// ====================================================================
class G4Material;
class G4VPhysicalVolume;

class G4EzWorld {
protected:
  // world volume is automatically presented.
  static G4VPhysicalVolume* world;
  static G4VPhysicalVolume* CreateWorld(G4double dx=1.*m,
					G4double dy=1.*m,
					G4double dz=1.*m);
public:
  G4EzWorld();
  ~G4EzWorld();
  
  static G4VPhysicalVolume* GetWorldVolume();

  static void Reset(G4double dx, G4double dy, G4double dz);
  static void Resize(G4double dx, G4double dy, G4double dz);
  static void SetMaterial(G4Material* amaterial);
  static void SetVisibility(G4bool qvis);

};

// ====================================================================
//   inline functions
// ====================================================================

inline G4VPhysicalVolume* G4EzWorld::GetWorldVolume() { return world; }

#endif