#ifndef RE04ParallelWorldParam_h
#define RE04ParallelWorldParam_h 1

#include "globals.hh"
#include "G4VPVParameterisation.hh"

class G4VPhysicalVolume;
class G4Material;

// Dummy declarations to get rid of warnings ...
class G4Box;
class G4Trd;
class G4Trap;
class G4Cons;
class G4Orb;
class G4Sphere;
class G4Ellipsoid;
class G4Torus;
class G4Para;
class G4Hype;
class G4Tubs;
class G4Polycone;
class G4Polyhedra;

//
// Parameterisation class for volumes in a parallel world
//
// - void ComputeTransformation(const G4int copyNo,
//                              G4VPhysicalVolume *physVol) const
//     returns a transformation with the physical volume of the 2nd argument
//     according to copyNo.
//       copyNo = 0 : the volume is placed at (-10*cm,-10*cm,0*cm)
//              = 1 : the volume is placed at (10*cm,10*cm,0*cm)
// - G4Material* ComputeMaterial(const G4int copyNo,
//                               G4VPhysicalVolume* currentVol,
//                               const G4VTouchable* parentTouch=0);
//     returns a material according to copyNo.
//       copyNo = 0 : water
//              = 1 : lead
//
class ParallelWorldParam : public G4VPVParameterisation
{
public:
  ParallelWorldParam();
  ~ParallelWorldParam();

  void ComputeTransformation( const G4int copyNo, G4VPhysicalVolume *physVol ) const;
  virtual void ComputeDimensions( G4Box&, const G4int, const G4VPhysicalVolume* )
  const {;}

private:  // Dummy declarations to get rid of warnings ...
  
  void ComputeDimensions (G4Trd&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Trap&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Cons&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Orb&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Sphere&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Ellipsoid&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Torus&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Para&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Hype&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Tubs&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Polycone&,const G4int,
                          const G4VPhysicalVolume*) const {}
  void ComputeDimensions (G4Polyhedra&,const G4int,
                          const G4VPhysicalVolume*) const {}
  
private:
  G4Material* fWater;
  G4Material* fPb;
};

#endif