-- File:	HLRBRep_Surface.cdl
-- Created:	Wed Apr 14 19:48:14 1993
-- Author:	Modelistation
--		<model@phylox>
---Copyright:	 Matra Datavision 1993

class Surface from HLRBRep

uses
    Address         from Standard,    
    Real            from Standard,
    Integer         from Standard,
    Boolean         from Standard,
    Shape           from GeomAbs,
    SurfaceType     from GeomAbs,
    Ax1             from gp,
    Pnt             from gp,
    Dir             from gp,
    Vec             from gp,
    Pln             from gp,
    Cylinder        from gp,
    Sphere          from gp,
    Torus           from gp,
    Cone            from gp,
    Array1OfReal    from TColStd,
    Array1OfInteger from TColStd,
    Array2OfReal    from TColStd,     
    Array2OfPnt     from TColgp,
    Face            from TopoDS,
    Surface         from BRepAdaptor
     
raises
    OutOfRange          from Standard,
    NoSuchObject        from Standard,
    DomainError         from Standard
     
is
    Create returns Surface from HLRBRep;
	---Purpose: Creates an undefined surface with no face loaded.
	
    Projector(me : in out; Proj : Address from Standard)
    	---C++: inline
    is static;

    Surface(me : in out) returns Surface from BRepAdaptor
	---Purpose: Returns the 3D Surface.
	---C++: return &
	---C++: inline      
    is static;
    
    Surface(me : in out; F : Face from TopoDS)
	---Purpose: Sets the 3D Surface to be projected.
    is static;
    
    SideRowsOfPoles(me; tol      :     Real        from Standard;
                        nbuPoles :     Integer     from Standard;
                        nbvPoles :     Integer     from Standard;
                        Pnt      : out Array2OfPnt from TColgp)
    returns Boolean from Standard
	---Purpose: returns true if it is a side face
    is static private;
    
    IsSide(me; tolf,toler : Real from Standard)
    returns Boolean from Standard
	---Purpose: returns true if it is a side face
    is static;
    
    IsAbove(me; back   : Boolean from Standard;
                A      : Address from Standard; -- as TheCurve
		tolC   : Real    from Standard)
    returns Boolean from Standard
    is static;
    
    --
    --     Global methods - Apply to the whole surface.
    --     
    
    FirstUParameter(me) returns Real from Standard
	---C++: inline      
    is static;

    LastUParameter(me) returns Real from Standard
	---C++: inline      
    is static;
    
    FirstVParameter(me) returns Real from Standard
	---C++: inline      
    is static;

    LastVParameter(me) returns Real from Standard
	---C++: inline      
    is static;
    
    UContinuity(me) returns Shape from GeomAbs
	---C++: inline      
    is static;
    
    VContinuity(me) returns Shape from GeomAbs
	---C++: inline      
    is static;
    
    NbUIntervals(me : in out; S : Shape from GeomAbs)
    returns Integer from Standard
	---Purpose: If necessary, breaks the surface in U intervals of
	--          continuity    <S>.  And   returns  the  number  of
	--          intervals.
	---C++: inline      
    is static;
    
    NbVIntervals(me : in out; S : Shape from GeomAbs)
    returns Integer from Standard
	---Purpose: If necessary, breaks the surface in V intervals of
	--          continuity    <S>.  And   returns  the  number  of
	--          intervals.
	---C++: inline      
    is static;
    UIntervalContinuity(me) returns Shape from GeomAbs
	---C++: inline      
    is static;
    
    VIntervalContinuity(me) returns Shape from GeomAbs
	---C++: inline      
    is static;
    
    IsUClosed(me) returns Boolean from Standard
	---C++: inline      
    is static;
     
    IsVClosed(me) returns Boolean from Standard
	---C++: inline      
    is static;
     
    IsUPeriodic(me) returns Boolean from Standard
	---C++: inline      
    is static;
    
    UPeriod(me) returns Real from Standard
    raises
    	DomainError from Standard -- if the curve is not periodic
	---C++: inline      
    is static;
     
    IsVPeriodic(me) returns Boolean from Standard
	---C++: inline      
    is static;
    
    VPeriod(me) returns Real from Standard
    raises
    	DomainError from Standard -- if the curve is not periodic
	---C++: inline      
    is static;
     
    Value (me; U, V : Real from Standard)  returns Pnt from gp
        --- Purpose : Computes the point of parameters U,V on the surface.
    is static;

    D0 (me; U, V :     Real from Standard;
            P    : out Pnt  from gp)
        --- Purpose : Computes the point of parameters U,V on the surface.
	---C++: inline      
    is static;

    D1 (me; U, V     :     Real from Standard;
            P        : out Pnt  from gp;
            D1U, D1V : out Vec from gp)
        --- Purpose : Computes the point  and the first derivatives on
        --  the surface.
    raises DomainError from Standard
        --- Purpose   : Raised   if  the continuity  of   the  current
        --  intervals is not C1.
	---C++: inline      
    is static;

    D2 (me; U, V                     :     Real from Standard;
            P                        : out Pnt  from gp;
            D1U, D1V, D2U, D2V, D2UV : out Vec  from gp)
        --- Purpose  :  Computes   the point,  the  first  and  second
        --  derivatives on the surface.
    raises DomainError from Standard
        --- Purpose   : Raised  if   the   continuity   of the current
        --  intervals is not C2.
	---C++: inline      
    is static;

    D3 (me; U, V                     :     Real from Standard;
            P                        : out Pnt  from gp; 
    	    D1U, D1V, D2U, D2V, D2UV : out Vec  from gp; 
            D3U, D3V, D3UUV, D3UVV   : out Vec  from gp)
        --- Purpose : Computes the point,  the first, second and third
        --  derivatives on the surface.
    raises DomainError from Standard
        --- Purpose   : Raised  if   the   continuity   of the current
        --  intervals is not C3.
	---C++: inline      
    is static;

    DN (me; U, V   : Real    from Standard;
            Nu, Nv : Integer from Standard)
    returns Vec from gp
        --- Purpose  : Computes  the  derivative of order   Nu  in the
        --  direction U and Nv in the  direction  V  at the point P(U,
        --  V).
    raises DomainError from Standard,
        --- Purpose : Raised if the current U  interval is not not CNu
        --  and the current V interval is not CNv.
           OutOfRange from Standard
        --- Purpose : Raised if Nu + Nv < 1 or Nu < 0 or Nv < 0.
	---C++: inline      
    is static;
  
    GetType(me) returns SurfaceType from GeomAbs
	---Purpose: Returns the type of the surface : Plane, Cylinder,
	--          Cone,      Sphere,        Torus,    BezierSurface,
	--          BSplineSurface,               SurfaceOfRevolution,
	--          SurfaceOfExtrusion, OtherSurface
	---C++: inline      
    is static;
    
    --
    --     The following methods must  be called when GetType returned
    --     the corresponding type.
    --     

    Plane(me) returns Pln from gp
    raises NoSuchObject from Standard
    is static;
    
    Cylinder(me) returns Cylinder from gp
    raises NoSuchObject from Standard
	---C++: inline      
    is static;
    
    Cone(me) returns Cone from gp
    raises NoSuchObject from Standard
	---C++: inline      
    is static;
    
    Sphere(me) returns Sphere from gp
    raises NoSuchObject from Standard
	---C++: inline      
    is static;
    
    Torus(me) returns Torus from gp
    raises NoSuchObject from Standard
	---C++: inline      
    is static;

    UDegree(me) returns Integer from Standard
    raises NoSuchObject from Standard
	---C++: inline      
    is static;

    NbUPoles(me) returns Integer from Standard
    raises NoSuchObject from Standard
	---C++: inline      
    is static;

    VDegree(me) returns Integer from Standard
    raises NoSuchObject from Standard
	---C++: inline      
    is static;

    NbVPoles(me) returns Integer from Standard
    raises NoSuchObject from Standard
	---C++: inline      
    is static;

    NbUKnots(me) returns Integer from Standard
    raises NoSuchObject from Standard
	---C++: inline      
    is static;
    
    
    NbVKnots(me) returns Integer from Standard
    raises NoSuchObject from Standard
	---C++: inline      
    is static;
    
    Axis(me) returns Ax1 from gp
    raises NoSuchObject from Standard -- only for SurfaceOfRevolution
	---C++: inline      
    is static;

fields
    mySurf  : Surface     from BRepAdaptor;
    myType  : SurfaceType from GeomAbs;
    myProj  : Address     from Standard;
    
end Surface;