-- File:	TDataXtd.cdl
-- Created:	Thu May 29 14:35:52 2008
-- Author:	Sergey ZARITCHNY
--		<sergey.zaritchny@opencascade.com>
---Copyright:	Open CasCade SA 2008


package TDataXtd 

	---Purpose: This  package  defines  extension of standard attributes for
	--          modelling  (mainly for work with geometry).  
	 
	---  Category: GUID - AttributeID 
	 
        --           2a96b602-ec8b-11d0-bee7-080009dc3333	TDataXtd_Constraint  
        --           2a96b618-ec8b-11d0-bee7-080009dc3333	TDataXtd_Pattern  
        --           2a96b61b-ec8b-11d0-bee7-080009dc3333	TDataXtd_PatternStd 
        --           2a96b620-ec8b-11d0-bee7-080009dc3333       TDataXtd_Shape
        --           2a96b60d-ec8b-11d0-bee7-080009dc3333	TDataXtd_Point	  
	--           2a96b601-ec8b-11d0-bee7-080009dc3333	TDataXtd_Axis  
	--           2a96b60c-ec8b-11d0-bee7-080009dc3333	TDataXtd_Plane	  
        --           2a96b604-ec8b-11d0-bee7-080009dc3333	TDataXtd_Geometry 
	--	     2a96b60b-ec8b-11d0-bee7-080009dc3333       TDataXtd_Placement
uses Standard,
     TCollection,
     TColStd,
     gp,
     BRep,
     Geom,
     TopoDS,
     TDF, 
     TDataStd,      
     TNaming

is
    enumeration ConstraintEnum is 
        --- Purpose:  The terms of this enumeration define the types
        -- of  available constraint.
        -- ==================
      RADIUS,
      DIAMETER,
      MINOR_RADIUS,
      MAJOR_RADIUS,
      TANGENT,
      PARALLEL,
      PERPENDICULAR,
      CONCENTRIC,
      COINCIDENT,
      DISTANCE, 
      ANGLE,
      EQUAL_RADIUS,
      SYMMETRY,
      MIDPOINT,      
      EQUAL_DISTANCE,
      FIX, 
      RIGID,
    
      -- placement constraints
      -- =====================
      FROM,
      AXIS,
      MATE,
      ALIGN_FACES,
      ALIGN_AXES,
      AXES_ANGLE,
      FACES_ANGLE,
      ROUND,
      OFFSET           
    end ConstraintEnum; 
     
    enumeration GeometryEnum is
 	---Purpose:
	-- The terms of this enumeration define the types of geometric shapes available.    
      ANY_GEOM,
      POINT,
      LINE,
      CIRCLE,
      ELLIPSE,
      SPLINE,
      PLANE,
      CYLINDER
    end GeometryEnum;

    ---Category: Basic attributes for geometry
    --           =============================

    class Position;  

    class Constraint;    

    class Placement;

    class Geometry;
    	
    class Point;
    
    class Axis;
    
    class Plane;
    
    deferred class Pattern;
	
        class PatternStd;
	        ---Purpose: LinearPattern, CircularPattern, RectangularPattern, 
	        --          RadialCircularPattern, MirrorPattern
   
    class Shape;         
    
    ---Purpose: tools
    --          =====

    class Array1OfTrsf instantiates Array1 from TCollection (Trsf from gp);
       	
    class HArray1OfTrsf instantiates HArray1 from TCollection (Trsf         from gp,
                                                               Array1OfTrsf from TDataXtd);       	 
							       
    IDList (anIDList : in out IDList from TDF);
	---Purpose: Appends to <anIDList> the list of the attributes
	--          IDs of this package. CAUTION: <anIDList> is NOT
	--          cleared before use.
  
    ---Purpose: Print of TDataExt enumeration
    --          =============================

    Print (GEO : GeometryEnum from TDataXtd; S : in out OStream) 
    	---Purpose: Prints the name of the geometry dimension <GEO> as a String on
    	--          the Stream <S> and returns <S>.
    	---C++: return &		
    returns OStream;  

    Print (CTR : ConstraintEnum from TDataXtd; S : in out OStream) 
    	---Purpose: Prints the name of the constraint <CTR> as a String on
    	--          the Stream <S> and returns <S>.
    	---C++: return &		
    returns OStream; 
        
end TDataXtd;