-- File:	MakeCirc2d.cdl
-- Created:	Wed Aug 26 14:31:09 1992
-- Author:	Remi GILET
--		<reg@topsn3>
---Copyright:	 Matra Datavision 1992

class MakeCirc2d from gce inherits Root from gce

    ---Purpose : 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.


uses Pnt2d     from gp,
     Circ2d    from gp,
     Real      from Standard,
     ErrorType from gce,
     Ax2d      from gp,
     Ax22d     from gp

raises NotDone from StdFail

is

Create (XAxis  : Ax2d    from gp                      ;
    	Radius : Real    from Standard                ;
    	Sense  : Boolean from Standard = Standard_True)   returns MakeCirc2d;
    --- Purpose :
    --  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.

Create (Axis   : Ax22d   from gp      ;
    	Radius : Real    from Standard)   returns MakeCirc2d;
    --- Purpose :
    --  The location point of Axis is the center of the circle.
    --  Warnings :
    --  It is not forbidden to create a circle with Radius = 0.0

Create(Circ    :     Circ2d from gp      ;
       Dist    :     Real   from Standard)
    returns MakeCirc2d;
    ---Purpose : 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.

Create(Circ    :     Circ2d from gp;
       Point   :     Pnt2d  from gp)
    returns MakeCirc2d;
    ---Purpose : 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.

Create(P1      :     Pnt2d  from gp;
       P2      :     Pnt2d  from gp;
       P3      :     Pnt2d  from gp)
    returns MakeCirc2d;
    ---Purpose : 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.

Create(Center : Pnt2d   from gp                      ;
       Radius : Real    from Standard                ;
       Sense  : Boolean from Standard = Standard_True)
    returns MakeCirc2d;
    ---Purpose : 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.

Create(Center : Pnt2d   from gp                      ;
       Point  : Pnt2d   from gp                      ;
       Sense  : Boolean from Standard = Standard_True)
    returns MakeCirc2d;
    ---Purpose : 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.

Value(me) returns Circ2d from gp
    raises NotDone
    is static;
    ---C++: return const&
    ---Purpose: Returns the constructed circle.
    -- Exceptions StdFail_NotDone if no circle is constructed.

Operator(me) returns Circ2d from gp 
    is static;
    ---C++: return const&
    ---C++: alias "Standard_EXPORT operator gp_Circ2d() const;"

fields

    TheCirc2d : Circ2d from gp;
    --The solution from gp.
    
end MakeCirc2d;