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-- File:	XCAFDoc_Area.cdl
-- Created:	Fri Sep  8 10:54:04 2000
-- Author:	data exchange team
--		<det@nordox.nnov.matra-dtv.fr>
---Copyright:	 Matra Datavision 2000


class Area from XCAFDoc inherits Attribute from TDF

	---Purpose: 

uses
     Attribute       from TDF,
     Label           from TDF,
     GUID            from Standard,
     Real            from Standard,
     RelocationTable from TDF
   
is
    Create returns Area from XCAFDoc;
    
    ---Purpose: class methods
    --          =============

    GetID (myclass)
    	---C++: return const &  
    returns GUID from Standard;

    ID (me)
    	---C++: return const & 
    returns GUID from Standard;

    Set (me: mutable; vol: Real from Standard);
    	---Purpose: Sets a value of volume

    Set (myclass ; label : Label from TDF; area: Real from Standard)
    returns Area from XCAFDoc;
        ---Purpose: Find, or create, an Area attribute and set its value
    
    Get (me)
    returns Real from Standard;

    Get (myclass ; label : Label from TDF; area: in out Real from Standard)
    returns Boolean from Standard;
        ---Purpose: Returns volume of area as argument and succes status
	--          returns false if no such attribute at the <label>
	
    Restore (me: mutable; With : Attribute from TDF);

    NewEmpty(me)
    returns mutable Attribute from TDF;

    Paste (me; Into : mutable Attribute from TDF;
	       RT   : mutable RelocationTable from TDF);    

    Dump(me; anOS : in out OStream from Standard)
    returns OStream from Standard
    is redefined;
    ---C++: return &

fields

    myValue     : Real     from Standard;

end Area from XCAFDoc;