-- Created on: 1996-11-25
-- Created by: Philippe MANGIN
-- Copyright (c) 1996-1999 Matra Datavision
-- Copyright (c) 1999-2012 OPEN CASCADE SAS
--
-- The content of this file is subject to the Open CASCADE Technology Public
-- License Version 6.5 (the "License"). You may not use the content of this file
-- except in compliance with the License. Please obtain a copy of the License
-- at http://www.opencascade.org and read it completely before using this file.
--
-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
--
-- The Original Code and all software distributed under the License is
-- distributed on an "AS IS" basis, without warranty of any kind, and the
-- Initial Developer hereby disclaims all such warranties, including without
-- limitation, any warranties of merchantability, fitness for a particular
-- purpose or non-infringement. Please see the License for the specific terms
-- and conditions governing the rights and limitations under the License.



class AppSurface from BRepBlend inherits Approx from AppBlend

	---Purpose:Used to Approximate the blending surfaces.

uses Array2OfReal            from TColStd,
     HArray2OfReal           from TColStd,
     Array1OfReal            from TColStd,
     HArray1OfReal           from TColStd,
     Array1OfInteger         from TColStd,
     HArray1OfInteger        from TColStd,     
     Array1OfPnt2d           from TColgp,
     Array2OfPnt             from TColgp,
     HArray2OfPnt            from TColgp,

     Shape                   from GeomAbs,
     SweepFunction           from Approx, 
     SweepApproximation      from Approx


raises NotDone     from StdFail,
       DomainError,
       OutOfRange

is
    Create(Funct : in  out SweepFunction from Approx;
    	   First,  Last  :  Real;
           Tol3d,  Tol2d, TolAngular : Real;
	   Continuity : Shape = GeomAbs_C0;
	   Degmax     : Integer = 11;
           Segmax     : Integer = 50)
	   ---Purpose: Approximation     of   the   new  Surface  (and
	   --          eventually the  2d    Curves   on the   support
	   --          surfaces).     
	   --          Normaly     the  2d    curve are
	   --          approximated  with an  tolerance   given  by   the
	   --          resolution on   support surfaces,  but  if this
	   --          tolerance is too large Tol2d  is used.
    	returns AppSurface from BRepBlend;
	 
		 
    IsDone(me)
        returns Boolean from Standard
	---C++: inline	
	is static;


    SurfShape(me; UDegree,VDegree  : out Integer from Standard;
                  NbUPoles,NbVPoles: out Integer from Standard;
                  NbUKnots,NbVKnots: out Integer from Standard)
    	raises NotDone from StdFail
    	is static;


    Surface(me; TPoles          : out Array2OfPnt from TColgp;
    	        TWeights        : out Array2OfReal from TColStd;
		TUKnots,TVKnots : out Array1OfReal from TColStd;
		TUMults,TVMults : out Array1OfInteger from TColStd)
    	raises NotDone from StdFail
    	is static;


    UDegree(me)
    
    	returns Integer from Standard
	---C++: inline

    	raises NotDone from StdFail
	is static;


    VDegree(me)
    
    	returns Integer from Standard
	---C++: inline

    	raises NotDone from StdFail
	is static;


    SurfPoles(me)
    
    	returns Array2OfPnt from TColgp
	---C++: inline
	---C++: return const&

	raises NotDone from StdFail
	is static;


    SurfWeights(me)
    
    	returns Array2OfReal from TColStd
	---C++: inline
	---C++: return const&

	raises NotDone from StdFail
	is static;


    SurfUKnots(me)
    
    	returns Array1OfReal from TColStd
	---C++: inline
	---C++: return const&

	raises NotDone from StdFail
	is static;


    SurfVKnots(me)
    
    	returns Array1OfReal from TColStd
	---C++: inline
	---C++: return const&

	raises NotDone from StdFail
	is static;


    SurfUMults(me)
    
    	returns Array1OfInteger from TColStd
	---C++: inline
	---C++: return const&

	raises NotDone from StdFail
	is static;


    SurfVMults(me)
    
    	returns Array1OfInteger from TColStd
	---C++: inline
	---C++: return const&

	raises NotDone from StdFail
	is static;
	
    MaxErrorOnSurf (me) 
    ---Purpose: returns the maximum error in the suface approximation.
    returns Real; 

    NbCurves2d(me)
    
    	returns Integer from Standard
	---C++: inline
	
	raises NotDone from StdFail
	is static;


    Curves2dShape(me; Degree,NbPoles,NbKnots: out Integer from Standard)
    
    	raises NotDone from StdFail,
	       DomainError from Standard

        is static;
	
	
    Curve2d(me; Index: Integer from Standard;
                TPoles   : out Array1OfPnt2d from TColgp;
		TKnots   : out Array1OfReal from TColStd;
		TMults   : out Array1OfInteger from TColStd)
		
    	raises NotDone     from StdFail,
	       OutOfRange  from Standard,
	       DomainError from Standard

    	is static;     


    Curves2dDegree(me)
    
    	returns Integer from Standard
	---C++: inline
	
	raises NotDone from StdFail,
	       DomainError from Standard
	is static;
	
	
    Curve2dPoles(me; Index: Integer from Standard)
    
    	returns Array1OfPnt2d from TColgp
	---C++: inline
	---C++: return const&
	
	raises NotDone     from StdFail,
	       OutOfRange  from Standard,
	       DomainError from Standard
	is static;
	

    Curves2dKnots(me)
    
    	returns Array1OfReal from TColStd
	---C++: inline
	---C++: return const&

	raises NotDone from StdFail,
	       DomainError from Standard
	is static;


    Curves2dMults(me)    
    	returns Array1OfInteger from TColStd
	---C++: inline
	---C++: return const&
	raises NotDone from StdFail,
	       DomainError from Standard
	is static;
	
    
    TolReached(me; Tol3d, Tol2d : out Real from Standard)
	raises NotDone from StdFail 
	is static;
	
    Max2dError (me; Index : Integer) 
    	---Purpose: returns the maximum error in the <Index> 2d curve approximation.
    	returns Real   
    	raises NotDone from StdFail  
    	is  static; 

    TolCurveOnSurf(me; Index  :  Integer  from Standard) 
	returns  Real from Standard  
	raises NotDone from StdFail
        is static; 	
    
    Dump(me; o: in out OStream);
    ---Purpose: diplay information on approximation.

fields
    approx    : SweepApproximation from Approx; 
end AppSurface;