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//
// $Id$
//
// class G4VPVParamterisation
//
// Class description:
//
// Parameterisation class, able to compute the transformation and
// (indirectly) the dimensions of parameterised volumes, given a
// replication number.

// History:
// 25.07.96 P.Kent        Initial stub version
// 20.09.96 V.Grichine    Modifications for G4Trap/Cons/Sphere
// 31.10.96 V.Grichine    Modifications for G4Torus/Para
// 17.02.98 J.Apostolakis Allowing the parameterisation of Solid type
// --------------------------------------------------------------------
#ifndef G4VPVPARAMETERISATION_HH
#define G4VPVPARAMETERISATION_HH

#include "G4Types.hh"
#include "G4VVolumeMaterialScanner.hh"

class G4VPhysicalVolume;
class G4VTouchable; 
class G4VSolid;
class G4Material;

// Entities which may be parameterised/replicated
//
class G4Box;
class G4Tubs;
class G4Trd;
class G4Trap;
class G4Cons;
class G4Sphere;
class G4Orb;
class G4Ellipsoid;
class G4Torus;
class G4Para;
class G4Polycone;
class G4Polyhedra;
class G4Hype;

class G4VVolumeMaterialScanner; 

class G4VPVParameterisation
{
  public:

    G4VPVParameterisation();
    virtual ~G4VPVParameterisation();

  public:  // with description

    virtual void ComputeTransformation(const G4int,
                                       G4VPhysicalVolume * ) const = 0;

    virtual G4VSolid*   ComputeSolid(const G4int, G4VPhysicalVolume *);
				       
    virtual G4Material* ComputeMaterial(const G4int repNo, 
                                        G4VPhysicalVolume *currentVol,
                                        const G4VTouchable *parentTouch=0);
       //  Refined method, enabling nested parameterisations

    virtual G4bool IsNested() const;
    virtual G4VVolumeMaterialScanner* GetMaterialScanner(); 
       //   These enable material scan for nested parameterisations

    virtual void ComputeDimensions(G4Box &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}

    virtual void ComputeDimensions(G4Tubs &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}

    virtual void ComputeDimensions(G4Trd &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}
	
    virtual void ComputeDimensions(G4Trap &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}
	
    virtual void ComputeDimensions(G4Cons &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}

    virtual void ComputeDimensions(G4Sphere &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}

    virtual void ComputeDimensions(G4Orb &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}

    virtual void ComputeDimensions(G4Ellipsoid &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}

    virtual void ComputeDimensions(G4Torus &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}

    virtual void ComputeDimensions(G4Para &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}

    virtual void ComputeDimensions(G4Polycone &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}

    virtual void ComputeDimensions(G4Polyhedra &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}

    virtual void ComputeDimensions(G4Hype &,
                                   const G4int,
                                   const G4VPhysicalVolume *) const {}
};

#endif
