-- File:	SMDS_Position.cdl
-- Created:	Mon May 13 13:40:18 2002
-- Author:	Jean-Michel BOULCOURT
--		<jmb@localhost.localdomain>
---Copyright:	 Matra Datavision 2002


deferred class Position from SMDS inherits  TShared from MMgt

	---Purpose: abstract  class to define  the different positions
	--          of a node related to the underlying geometry (CAD model)

uses
    Pnt from gp,
    TypeOfPosition from SMDS
    
is

    Initialize(aShapeId: Integer; 
    	       aType: TypeOfPosition from SMDS = SMDS_TOP_UNSPEC) 
    returns mutable Position;

    Coords(me) returns Pnt from gp is deferred;
    ---Purpose: returns the resulting 3d point to be set
    --          in the MeshNode instance
    --          must be redefined by inherited classes
    
    GetTypeOfPosition(me) returns TypeOfPosition from SMDS;
    ---Purpose: returns the type of position
    --          
    ---C++: inline
    
    SetShapeId(me: mutable; aShapeId: Integer);
    ---Purpose: Sets the ShapeId of the position
    --          
    ---C++: inline

    GetShapeId(me) returns Integer;
    ---Purpose: Returns the ShapeId of the position
    --          
    ---C++: inline


fields

    myShapeId : Integer;
    myType    : TypeOfPosition from SMDS;    
end Position;