-- File:	DDF_Data.cdl
--      	------------
-- Author:	DAUTRY Philippe
---Copyright:	 MATRA DATAVISION 1997

---Version:	0.0
---History:	Version	Date		Purpose
--		0.0	Feb 10 1997	Creation


class Data from DDF inherits Drawable3D from Draw

	---Purpose : Encapsulates a data framework in a drawable object

uses

    Data        from TDF,
    Interpretor from Draw,
    Display     from Draw

is


    Create  (aDF : Data from TDF)
    returns mutable Data from DDF;
    
    
    DrawOn (me; dis : in out Display);
    
    
    Copy (me) 
    returns mutable Drawable3D from Draw
    is redefined;

	
    Dump (me; S : in out OStream) 
    is redefined;


    DataFramework (me : mutable; aDF : Data from TDF);


    DataFramework (me)
    returns Data from TDF;
    

    Whatis (me; I : in out Interpretor from Draw)
    is redefined;

	
fields

    myDF : Data from TDF;

end Data;