//
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//
//
// $Id$
//
// 
// class G4GRSVolume
//
// Class description:
//
// Object representing a touchable detector element - maintains
// associations between a physical volume and its net resultant
// local->global transform.
//
// NOTE: The (optional) rotation matrix is copied

// History:
// - Created. Paul Kent, August 1996
// ----------------------------------------------------------------------
#ifndef G4GRSVOLUME_HH
#define G4GRSVOLUME_HH

#include "G4VTouchable.hh"

#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4ThreeVector.hh"
#include "G4RotationMatrix.hh"

class G4GRSVolume : public G4VTouchable
{
  public:  // with description

    G4GRSVolume(G4VPhysicalVolume *pVol,
          const G4RotationMatrix *pRot,
          const G4ThreeVector &tlate);
    G4GRSVolume(G4VPhysicalVolume *pVol,
          const G4RotationMatrix &rot,
          const G4ThreeVector &tlate);
    ~G4GRSVolume();

    inline G4VPhysicalVolume* GetVolume(G4int depth=0) const;
    inline G4VSolid* GetSolid(G4int depth=0) const;
    inline const G4ThreeVector& GetTranslation(G4int depth=0) const;
    inline const G4RotationMatrix*  GetRotation(G4int depth=0) const;

  private:

    G4GRSVolume(const G4GRSVolume&);
    G4GRSVolume& operator=(const G4GRSVolume&);
      // Copy constructor and assignment operator NOT public

  private:
  
    G4VPhysicalVolume *fvol;
    G4RotationMatrix *frot;
    G4ThreeVector ftlate;
};

#include "G4GRSVolume.icc"

#endif
