-- File:	PPoly_Polygon3D.cdl
-- Created:	Tue Oct 24 10:50:25 1995
-- Author:	Mister rmi
--		<rmi@pronox>
---Copyright:	 Matra Datavision 1995


class Polygon3D from PPoly inherits Persistent from Standard

    	---Purpose: This class represents a 3d Polygon3D.
    	--          
    	--          It is defined by an array of 3d nodes values.
    	--          If the Polygon3D is closed, the point will be
    	--          repeated.


uses HArray1OfPnt  from PColgp,
     HArray1OfReal from PColStd

is

    Create(Nodes: HArray1OfPnt from PColgp;
    	   Defl : Real from Standard) 
    returns mutable Polygon3D from PPoly;
    	---Purpose: Defaults with allocation of nodes.

    Create(Nodes      : HArray1OfPnt  from PColgp;
           Parameters : HArray1OfReal from PColStd;
    	   Defl       : Real          from Standard) 
    returns mutable Polygon3D from PPoly;
    	---Purpose: Defaults with allocation of nodes + Parameters
    

    Deflection(me) returns Real;

    Deflection(me : mutable; Defl : Real from Standard);
    

    NbNodes(me) returns Integer;
    
    Nodes(me) returns HArray1OfPnt from PColgp;

    Nodes(me : mutable; Nodes : HArray1OfPnt from PColgp);
    

    HasParameters(me) returns Boolean from Standard;

    Parameters(me : mutable; Parameters : HArray1OfReal from PColStd);
    	---Purpose: Sets the value of myParameters

    Parameters(me) returns HArray1OfReal from PColStd;
	---Purpose: Reference on the parameters values.
    
fields

    myDeflection : Real          from Standard;
    myNodes      : HArray1OfPnt  from PColgp;
    myParameters : HArray1OfReal from PColStd;
    	-- myParameters is Optional (Pointer can be Null)
    
end Polygon3D;