-- File:	BRep_PolygonOnSurface.cdl
-- Created:	Tue Mar 14 18:30:24 1995
-- Author:	Laurent PAINNOT
--		<lpa@metrox>
---Copyright:	 Matra Datavision 1995


class PolygonOnSurface from BRep inherits CurveRepresentation from BRep 

    	---Purpose: Representation of a 2D polygon in the parametric
    	--          space of a surface.


uses
    Polygon2D           from Poly,
    Surface             from Geom,
    CurveRepresentation from BRep,
    Location            from TopLoc


raises DomainError from Standard


is

    Create(P: Polygon2D from Poly;
    	   S: Surface   from Geom;
	   L: Location  from TopLoc)
    returns mutable PolygonOnSurface from BRep;


    IsPolygonOnSurface(me)          returns Boolean
    	---Purpose: A   2D polygon  representation  in the  parametric
    	--          space of a surface.
    is redefined;


    IsPolygonOnSurface(me; S: Surface from Geom; L: Location from TopLoc) 
    returns Boolean
    	---Purpose: A   2D polygon  representation  in the  parametric
    	--          space of a surface.
    is redefined;


    Surface(me) returns any Surface from Geom
    	---C++: return const&
    is redefined;


    Polygon(me) returns any Polygon2D from Poly
    	---C++: return const &
    is redefined;

    Polygon(me: mutable; P: Polygon2D from Poly)
    is redefined;


    Copy(me) returns mutable CurveRepresentation from BRep
	---Purpose: Return a copy of this representation.
    is redefined;


fields

myPolygon2D: Polygon2D from Poly;
mySurface  : Surface   from Geom;


end PolygonOnSurface;