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 // Created on: 1992-08-26
 // Created by: Remi GILET
 // Copyright (c) 1992-1999 Matra Datavision
 // Copyright (c) 1999-2014 OPEN CASCADE SAS
 //
 // This file is part of Open CASCADE Technology software library.
 //
 // This library is free software; you can redistribute it and/or modify it under
 // the terms of the GNU Lesser General Public License version 2.1 as published
 // by the Free Software Foundation, with special exception defined in the file
 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
 // distribution for complete text of the license and disclaimer of any warranty.
 //
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
 #ifndef _gce_MakeCirc2d_HeaderFile
 #define _gce_MakeCirc2d_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 
 #include <gp_Circ2d.hxx>
 #include <gce_Root.hxx>
 class gp_Ax2d;
 class gp_Ax22d;
 class gp_Pnt2d;
 
 
 //! This class implements the following algorithms used
 //! to create Circ2d from gp.
 //!
 //! * Create a Circ2d concentric with another and passing
 //! though a point.
 //! * Create a Circ2d concentric with another at the distance
 //! Dist.
 //! * Create a Circ2d passing through 3 points.
 //! * Create a Circ2d with its center and radius.
 //! * Create a Circ2d with its center and a point given
 //! the radius.
 //! * Create a Circ2d with its axis and its radius.
 class gce_MakeCirc2d  : public gce_Root
 {
 public:
 
   DEFINE_STANDARD_ALLOC
 
   
 
   //! The location point of XAxis is the center of the circle.
   //! Warnings :
   //! It is not forbidden to create a circle with Radius = 0.0
   //! If Sense is true the local coordinate system of the solution
   //! is direct and non direct in the other case.
   //! The status is "NegativeRadius" if Radius < 0.0.
   Standard_EXPORT gce_MakeCirc2d(const gp_Ax2d& XAxis, const Standard_Real Radius, const Standard_Boolean Sense = Standard_True);
   
 
   //! The location point of Axis is the center of the circle.
   //! Warnings :
   //! It is not forbidden to create a circle with Radius = 0.0
   Standard_EXPORT gce_MakeCirc2d(const gp_Ax22d& Axis, const Standard_Real Radius);
   
   //! Makes a Circ2d from gp <TheCirc> concentric with another
   //! circ2d <Circ> with a distance <Dist>.
   //! If Dist is greater than zero the result encloses
   //! the circle <Circ>, else the result is enclosed by the
   //! circle <Circ>.
   //! The local coordinate system of the solution is the
   //! same as Circ.
   Standard_EXPORT gce_MakeCirc2d(const gp_Circ2d& Circ, const Standard_Real Dist);
   
   //! Makes a Circ2d from gp <TheCirc> concentric with another
   //! circ2d <Circ> and passing through a Pnt2d <Point>.
   //! The local coordinate system of the solution is the
   //! same as Circ.
   Standard_EXPORT gce_MakeCirc2d(const gp_Circ2d& Circ, const gp_Pnt2d& Point);
   
   //! Makes a Circ2d from gp <TheCirc> passing through 3
   //! Pnt2d <P1>,<P2>,<P3>.
   //! The local coordinate system of the solution is given
   //! by the three points P1, P2, P3.
   Standard_EXPORT gce_MakeCirc2d(const gp_Pnt2d& P1, const gp_Pnt2d& P2, const gp_Pnt2d& P3);
   
   //! Makes a Circ2d from gp <TheCirc> with its center
   //! <Center> and its radius <Radius>.
   //! If Sense is true the local coordinate system of
   //! the solution is direct and non direct in the other case.
   Standard_EXPORT gce_MakeCirc2d(const gp_Pnt2d& Center, const Standard_Real Radius, const Standard_Boolean Sense = Standard_True);
   
   //! Makes a Circ2d from gp <TheCirc> with its center
   //! <Center> and a point giving the radius.
   //! If Sense is true the local coordinate system of
   //! the solution is direct and non direct in the other case.
   Standard_EXPORT gce_MakeCirc2d(const gp_Pnt2d& Center, const gp_Pnt2d& Point, const Standard_Boolean Sense = Standard_True);
   
   //! Returns the constructed circle.
   //! Exceptions StdFail_NotDone if no circle is constructed.
   Standard_EXPORT const gp_Circ2d& Value() const;
   
   Standard_EXPORT const gp_Circ2d& Operator() const;
 Standard_EXPORT operator gp_Circ2d() const;
 
 
 
 
 protected:
 
 
 
 
 
 private:
 
 
 
   gp_Circ2d TheCirc2d;
 
 
 };
 
 
 
 
 
 
 
 #endif // _gce_MakeCirc2d_HeaderFile

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