-- File:	ProjLib_Plane.cdl
-- Created:	Wed Aug 11 15:05:32 1993
-- Author:	Remi LEQUETTE
--		<rle@phylox>
---Copyright:	 Matra Datavision 1993



class Plane from ProjLib inherits Projector from ProjLib

	---Purpose: Projects elementary curves on a plane.

uses
    CurveType  from GeomAbs,
    Pln        from gp,
    Lin        from gp,
    Circ       from gp,
    Elips      from gp,
    Parab      from gp,
    Hypr       from gp,
    Lin2d      from gp,
    Circ2d     from gp,
    Elips2d    from gp,
    Parab2d    from gp,
    Hypr2d     from gp

raises
    NoSuchObject from Standard
    
is

    Create returns Plane from ProjLib;
	---Purpose: Undefined projection.

    Create(Pl : Pln from gp) returns Plane from ProjLib;
	---Purpose: Projection on the plane <Pl>.

    Create(Pl : Pln from gp;
           L  : Lin from gp) returns Plane from ProjLib;
	---Purpose: Projection of the line <L> on the plane <Pl>.

    Create(Pl : Pln  from gp;
           C  : Circ from gp) returns Plane from ProjLib;
	---Purpose: Projection of the circle <C> on the plane <Pl>.

    Create(Pl : Pln from gp;
           E  : Elips from gp) returns Plane from ProjLib;
	---Purpose: Projection of the ellipse <E> on the plane <Pl>.

    Create(Pl : Pln from gp;
           P  : Parab from gp) returns Plane from ProjLib;
	---Purpose: Projection of the parabola <P> on the plane <Pl>.

    Create(Pl : Pln from gp;
           H  : Hypr from gp) returns Plane from ProjLib;
	---Purpose: Projection of the hyperbola <H> on the plane <Pl>.


    Init(me : in out;
    	 Pl : Pln from gp)
    is static;
	 
    Project(me : in out;
    	    L  : Lin from gp)
    is redefined;

    Project(me : in out;
    	    C  : Circ from gp)
    is redefined;

    Project(me : in out;
    	    E  : Elips from gp)
    is redefined;

    Project(me : in out;
    	    P  : Parab from gp)
    is redefined;

    Project(me : in out;
    	    H  : Hypr from gp)
    is redefined;


fields

    myPlane : Pln from gp;

end Plane;