// Class describing solid placements for boolean operations
// 
//
// History:
//
// 28.10.98 V.Grichine, creation according J. Apostolakis's recommendations

#ifndef G4DisplacedSolid_HH
#define G4DisplacedSolid_HH

#include "G4VSolid.hh"
#include "G4RotationMatrix.hh"
#include "G4ThreeVector.hh"
#include "G4Transform3D.hh"
#include "G4AffineTransform.hh"

class G4DisplacedSolid    : public G4VSolid
{
public:
                  G4DisplacedSolid( const G4String& pName,
                                       G4VSolid* pSolid ,
                                       G4RotationMatrix* rotMatrix,
                                 const G4ThreeVector& transVector  ) ;

                  G4DisplacedSolid( const G4String& pName,
                                       G4VSolid* pSolid ,
                                 const G4Transform3D& transform  ) ;

         virtual ~G4DisplacedSolid() ;



     G4bool CalculateExtent(const EAxis pAxis,
			    const G4VoxelLimits& pVoxelLimit,
			    const G4AffineTransform& pTransform,
				  G4double& pMin, G4double& pMax) const ;
       
    EInside Inside( const G4ThreeVector& p ) const ;

    G4ThreeVector SurfaceNormal( const G4ThreeVector& p ) const ;

    G4double DistanceToIn( const G4ThreeVector& p,
                           const G4ThreeVector& v  ) const ;

    G4double DistanceToIn( const G4ThreeVector& p) const ;

    G4double DistanceToOut( const G4ThreeVector& p,
			    const G4ThreeVector& v,
			    const G4bool calcNorm=false,
			    G4bool *validNorm=0,
			    G4ThreeVector *n=0      ) const ;

    G4double DistanceToOut( const G4ThreeVector& p ) const ;


    void ComputeDimensions( G4VPVParameterisation* p,
	                    const G4int n,
                            const G4VPhysicalVolume* pRep ) ;
                                   
    virtual G4GeometryType  GetEntityType() const 
    { return G4String("G4DisplacedSolid"); }

    void DescribeYourselfTo ( G4VGraphicsScene& scene ) const ;
    G4VisExtent   GetExtent        () const ;
    G4Polyhedron* CreatePolyhedron () const ;
    G4NURBS*      CreateNURBS      () const ;

protected:
                  G4VSolid* fPtrSolid ;
                  G4AffineTransform* fPtrTransform ;
                  G4AffineTransform* fDirectTransform ;
              
private:

} ;

#endif