-- File:	PPoly_Polygon2D.cdl
-- Created:	Tue Oct 24 10:48:37 1995
-- Author:	Mister rmi
--		<rmi@pronox>
---Copyright:	 Matra Datavision 1995


class Polygon2D from PPoly inherits Persistent from Standard

    	---Purpose: This class represents a 2d polygon.
    	--          
    	--          It is defined by an array of 2d nodes values.
    	--          If the Polygon2D is closed, the point will be
    	--          repeated.


uses HArray1OfPnt2d  from PColgp

is

    Create(Nodes: HArray1OfPnt2d from PColgp;
    	   Defl : Real from Standard) 
    returns mutable Polygon2D from PPoly;
    	---Purpose: Defaults with allocation of nodes.
    
    Deflection(me) returns Real;

    Deflection(me : mutable; Defl : Real from Standard);
    
    NbNodes(me) returns Integer;
    
    Nodes(me) returns HArray1OfPnt2d from PColgp;

    Nodes(me : mutable; Nodes : HArray1OfPnt2d from PColgp);
    
fields

    myDeflection: Real;
    myNodes:      HArray1OfPnt2d from PColgp;

end Polygon2D;