
#ifndef _myExtrema_GenExtSS_HeaderFile
#define _myExtrema_GenExtSS_HeaderFile

#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Handle_TColgp_HArray2OfPnt_HeaderFile
#include <Handle_TColgp_HArray2OfPnt.hxx>
#endif
#ifndef _myExtrema_FuncExtSS_HeaderFile
#include "myExtrema_FuncExtSS.hxx"
#endif
#ifndef _Adaptor3d_SurfacePtr_HeaderFile
#include <Adaptor3d_SurfacePtr.hxx>
#endif
class TColgp_HArray2OfPnt;
class StdFail_NotDone;
class Standard_OutOfRange;
class Standard_TypeMismatch;
class Adaptor3d_Surface;
class Extrema_POnSurf;


#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
/** 
 * \brief This class has been built from OCC in view of overloding the distance computation between CAD objects.
 */
//! It calculates all the extremum distances <br>
//!          between two surfaces. <br>
//!          These distances can be minimum or maximum. <br>
class myExtrema_GenExtSS  {

public:

    void* operator new(size_t,void* anAddress) 
      {
        return anAddress;
      }
    void* operator new(size_t size) 
      { 
        return Standard::Allocate(size); 
      }
    void  operator delete(void *anAddress) 
      { 
        if (anAddress) Standard::Free((Standard_Address&)anAddress); 
      }
 // Methods PUBLIC
 // 


Standard_EXPORT myExtrema_GenExtSS();

//! It calculates all the distances. <br>
//!          The function F(u,v)=distance(S1(u1,v1),S2(u2,v2)) has an <br>
//!          extremum when gradient(F)=0. The algorithm searchs <br>
//!          all the zeros inside the definition ranges of the <br>
//!          surfaces. <br>
//!          NbU and NbV are used to locate the close points <br>
//!          to find the zeros. <br>
Standard_EXPORT myExtrema_GenExtSS(const Adaptor3d_Surface& S1,const Adaptor3d_Surface& S2,const Standard_Integer NbU,const Standard_Integer NbV,const Standard_Real Tol1,const Standard_Real Tol2);

//! It calculates all the distances. <br>
//!          The function F(u,v)=distance(P,S(u,v)) has an <br>
//!          extremum when gradient(F)=0. The algorithm searchs <br>
//!          all the zeros inside the definition ranges of the <br>
//!          surface. <br>
//!          NbU and NbV are used to locate the close points <br>
//!          to find the zeros. <br>
Standard_EXPORT myExtrema_GenExtSS(const Adaptor3d_Surface& S1,const Adaptor3d_Surface& S2,const Standard_Integer NbU,const Standard_Integer NbV,const Standard_Real U1min,const Standard_Real U1sup,const Standard_Real V1min,const Standard_Real V1sup,const Standard_Real U2min,const Standard_Real U2sup,const Standard_Real V2min,const Standard_Real V2sup,const Standard_Real Tol1,const Standard_Real Tol2);


Standard_EXPORT   void Initialize(const Adaptor3d_Surface& S2,const Standard_Integer NbU,const Standard_Integer NbV,const Standard_Real Tol2) ;


Standard_EXPORT   void Initialize(const Adaptor3d_Surface& S2,const Standard_Integer NbU,const Standard_Integer NbV,const Standard_Real U2min,const Standard_Real U2sup,const Standard_Real V2min,const Standard_Real V2sup,const Standard_Real Tol2) ;

//! the algorithm is done with S1 <br>
//!          An exception is raised if the fields have not <br>
//!          been initialized. <br>
Standard_EXPORT   void Perform(const Adaptor3d_Surface& S1,const Standard_Real Tol1) ;

//! the algorithm is done withS1 <br>
//!          An exception is raised if the fields have not <br>
//!          been initialized. <br>
Standard_EXPORT   void Perform(const Adaptor3d_Surface& S1,const Standard_Real U1min,const Standard_Real U1sup,const Standard_Real V1min,const Standard_Real V1sup,const Standard_Real Tol1) ;

//! Returns True if the distances are found. <br>
Standard_EXPORT   Standard_Boolean IsDone() const;

//! Returns the number of extremum distances. <br>
Standard_EXPORT   Standard_Integer NbExt() const;

//! Returns the value of the Nth resulting distance. <br>
Standard_EXPORT   Standard_Real Value(const Standard_Integer N) const;

//! Returns the point of the Nth resulting distance. <br>
Standard_EXPORT   Extrema_POnSurf PointOnS1(const Standard_Integer N) const;

//! Returns the point of the Nth resulting distance. <br>
Standard_EXPORT   Extrema_POnSurf PointOnS2(const Standard_Integer N) const;





protected:

 // Methods PROTECTED
 // 


 // Fields PROTECTED
 //


private: 

 // Methods PRIVATE
 // 


Standard_EXPORT   Adaptor3d_SurfacePtr Bidon() const;


 // Fields PRIVATE
 //
Standard_Boolean myDone;
Standard_Boolean myInit;
Standard_Real myu1min;
Standard_Real myu1sup;
Standard_Real myv1min;
Standard_Real myv1sup;
Standard_Real myu2min;
Standard_Real myu2sup;
Standard_Real myv2min;
Standard_Real myv2sup;
Standard_Integer myusample;
Standard_Integer myvsample;
Handle_TColgp_HArray2OfPnt mypoints1;
Handle_TColgp_HArray2OfPnt mypoints2;
Standard_Real mytol1;
Standard_Real mytol2;
myExtrema_FuncExtSS myF;
//Adaptor3d_SurfacePtr myS1;
Adaptor3d_SurfacePtr myS2;
//  Standard_Real myGuessU1;
//  Standard_Real myGuessV1;
//  Standard_Real myGuessU2;
//  Standard_Real myGuessV2;
};





// other Inline functions and methods (like "C++: function call" methods)
//


#endif
