-- File:	DsgPrs_ConcentricPresentation.cdl
-- Created:	Mon Mar 18 16:33:30 1996
-- Author:	Flore Lantheaume
--		<fla@filax>
---Copyright:	 Matra Datavision 1996


class ConcentricPresentation from DsgPrs 

	---Purpose: A framework to define display of relations of concentricity.

uses

    Presentation from Prs3d,
    Pnt from gp,
    Dir from gp,
    Drawer from Prs3d
    
is

    Add (myclass;
    	 aPresentation: Presentation from Prs3d;
    	 aDrawer: Drawer from Prs3d;
	 aCenter: Pnt    from gp;
	 aRadius : Real from Standard;
	 aNorm  : Dir from gp;
	 aPoint : Pnt from gp);
	 
	---Purpose: Defines the display of elements showing relations of
    	-- concentricity between shapes.
    	-- These include the center aCenter, the radius
    	-- aRadius, the direction aNorm and the point aPoint.
    	-- These arguments are added to the presentation
    	-- object aPresentation. Their display attributes are
    	-- defined by the attribute manager aDrawer.


end ConcentricPresentation;