-- File:	PGeom_RectangularTrimmedSurface.cdl
-- Created:	Tue Mar  2 14:17:28 1993
-- Author:	Philippe DAUTRY
--		<fid@phylox>
-- Copyright:	 Matra Datavision 1993


class RectangularTrimmedSurface from PGeom inherits BoundedSurface from PGeom

        ---Purpose : Defines a portion of a surface (patch) limited by
        --         two parametric   values in the U   direction (Umin,
        --         Umax) and in the V direction (Vmin, Vmax).
        --         
	---See Also : RectangularTrimmedSurface from Geom.

uses Surface  from PGeom

is


   Create returns mutable RectangularTrimmedSurface from PGeom;
	---Purpose: Creates a RectangularTrimmedSurface with default values.
    	---Level: Internal 


   Create (
    	    aBasisSurface : Surface from PGeom;
    	    aFirstU     : Real from Standard;
    	    aLastU      : Real from Standard;
    	    aFirstV     : Real from Standard;
    	    aLastV      : Real from Standard)
	    returns mutable RectangularTrimmedSurface from PGeom;
	---Purpose: Creates a RectangularTrimmedSurface with these values.
    	---Level: Internal 


  BasisSurface (me: mutable; aBasisSurface: Surface from PGeom);
        ---Purpose :  Set the value  of  the  field basisSurface  with
        --         <aBasisSurface>.
    	---Level: Internal 


  BasisSurface (me) returns Surface from PGeom;
        ---Purpose : Returns the value of the field basisSurface.
    	---Level: Internal 


  FirstU(me : mutable; aFirstU: Real from Standard);
        ---Purpose : Set the value of the field firstU with <aFirstU>.
    	---Level: Internal 


  FirstU(me) returns  Real from Standard;
        ---Purpose : Returns the value of the field firstU.
    	---Level: Internal 


  LastU(me : mutable; aLastU: Real from Standard);
        ---Purpose : Set the value of the field lastU with <aLastU>.
    	---Level: Internal 


  LastU(me) returns Real from Standard;
        ---Purpose : Returns the value of the field lastU.
    	---Level: Internal 


  FirstV(me : mutable; aFirstV: Real);
        ---Purpose : Set the value of the field firstV with <aFirstV>.
    	---Level: Internal 


  FirstV(me) returns  Real from Standard;
        ---Purpose : Returns the value of the field firstV.
    	---Level: Internal 


  LastV(me : mutable; aLastV: Real);
        ---Purpose : Set the value of the field lastV with <aLastV>.
    	---Level: Internal 


  LastV(me) returns Real from Standard;
        ---Purpose : Returns the value of the field lastV.
    	---Level: Internal 


fields

   basisSurface : Surface from PGeom;
   firstU     : Real from Standard;
   lastU      : Real from Standard;
   firstV     : Real from Standard;
   lastV      : Real from Standard;

end;