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// $Id: G4IntersectionSolid.hh,v 1.4.4.1 2001/06/28 19:08:57 gunter Exp $
// GEANT4 tag $Name:  $
//
//
// class G4IntersectionSolid
//
// Class description:
//
// Class for description of intersection of two CSG solids.

// History: 
//
// 12.09.98 V. Grichine, initial design according to J.Apostolakis's
//                       recommendations
// 28.10.98 V. Grichine, addition of two constructors with G4PlacedSolid

#ifndef G4INTERSECTIONSOLID_HH
#define G4INTERSECTIONSOLID_HH

#include "G4BooleanSolid.hh"
#include "G4VSolid.hh"

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

class G4IntersectionSolid : public G4BooleanSolid
{
  public:  // with description

    G4IntersectionSolid( const G4String& pName,
                               G4VSolid* pSolidA ,
                               G4VSolid* pSolidB   ) ;

    G4IntersectionSolid( const G4String& pName,
                               G4VSolid* pSolidA ,
                               G4VSolid* pSolidB, 
                               G4RotationMatrix* rotMatrix,
                         const G4ThreeVector& transVector   ) ;

    G4IntersectionSolid( const G4String& pName,
                               G4VSolid* pSolidA ,
                               G4VSolid* pSolidB,
                         const G4Transform3D& transform    ) ;

    virtual ~G4IntersectionSolid() ;

    virtual G4GeometryType  GetEntityType() const;

  public:  // without description

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

} ;

#endif