-- File:	BRepTopAdaptor_TopolTool.cdl
-- Created:	Fri Apr  1 11:01:17 1994
-- Author:	Modelistation
--		<model@nonox>
---Copyright:	 Matra Datavision 1994


class TopolTool from BRepTopAdaptor 


inherits TopolTool from Adaptor3d

uses HSurface    from Adaptor3d,
     HCurve2d    from Adaptor2d,
     HCurve2d    from BRepAdaptor,
     HVertex     from Adaptor3d,
     Pnt2d       from gp,
     Pnt         from gp,
     State       from TopAbs,
     Orientation from TopAbs,
     Explorer    from TopExp,
     Face        from TopoDS, 
     FClass2d    from BRepTopAdaptor,
     ListOfTransient from TColStd,
     ListIteratorOfListOfTransient from TColStd

raises DomainError from Standard

is

    Create
    
    	returns mutable TopolTool from BRepTopAdaptor;


    Create(Surface: HSurface from Adaptor3d)
    
    	returns mutable TopolTool from BRepTopAdaptor;

    Initialize(me: mutable)
    is redefined;


    Initialize(me: mutable; S: HSurface from Adaptor3d)
    is redefined;
    

    Initialize(me: mutable; Curve: HCurve2d from Adaptor2d)
    is redefined;
    


--- Arc iterator


    Init(me: mutable)
    is redefined;


    More(me: mutable)
    
    	returns Boolean from Standard
	is redefined;


    Value(me: mutable)
    
    	returns mutable HCurve2d from Adaptor2d
        raises DomainError from Standard
	is redefined;
	

    Next(me: mutable)
    is redefined;
 

 --modified by NIZNHY-PKV Wed Mar 21 11:37:11 2001  f  
    Edge  (me) 
    	returns Address from Standard 
    	is redefined; 
--modified by NIZNHY-PKV Wed Mar 21 11:37:17 2001  t	 

--- Vertex iterator


    InitVertexIterator(me: mutable)
    is redefined;
    

    MoreVertex(me: mutable)
    
    	returns Boolean from Standard
	is redefined;


    Vertex(me: mutable)
    
    	returns mutable HVertex from Adaptor3d
	raises DomainError from Standard
	is redefined;


    NextVertex(me: mutable)
    is redefined;



    Classify(me: mutable; P2d: Pnt2d from gp;
		          Tol: Real from Standard;
    	    	    	  RecadreOnPeriodic : Boolean from Standard = Standard_True)


    	returns State from TopAbs
	is redefined;


    IsThePointOn(me: mutable; P2d: Pnt2d from gp;
	         Tol: Real from Standard;
    	    	 RecadreOnPeriodic : Boolean from Standard = Standard_True)
	---Purpose (caution: see the code for specifications) 
    	returns Boolean from Standard
	is redefined;


    Orientation(me: mutable; C: HCurve2d from Adaptor2d)

    	---Purpose: If the function returns the orientation of the arc.
    	--          If the orientation is FORWARD or REVERSED, the arc is
    	--          a "real" limit of the surface.
    	--          If the orientation is INTERNAL or EXTERNAL, the arc is
    	--          considered as an arc on the surface.

    	returns Orientation from TopAbs
	is redefined;

    Orientation(me: mutable; C: HVertex from Adaptor3d)

    	---Purpose: If the function returns the orientation of the arc.
    	--          If the orientation is FORWARD or REVERSED, the arc is
    	--          a "real" limit of the surface.
    	--          If the orientation is INTERNAL or EXTERNAL, the arc is
    	--          considered as an arc on the surface.

    	returns Orientation from TopAbs
	is redefined;

    Destroy(me: mutable);
    	---C++: alias ~


    Has3d(me)
	---Purpose: answers if arcs and vertices may have 3d representations,
	--          so that we could use Tol3d and Pnt methods.
	returns Boolean from Standard
    is redefined;


    Tol3d(me; C: HCurve2d from Adaptor2d)
	---Purpose: returns 3d tolerance of the arc C
	returns Real from Standard
	raises DomainError from Standard
    is redefined;


    Tol3d(me; V: HVertex from Adaptor3d)
	---Purpose: returns 3d tolerance of the vertex V
	returns Real from Standard
	raises DomainError from Standard
    is redefined;


    Pnt(me; V: HVertex from Adaptor3d)
	---Purpose: returns 3d point of the vertex V
	returns Pnt from gp
	raises DomainError from Standard
    is redefined;


--- samples tools

    ComputeSamplePoints(me: mutable)
    is redefined;
    

    NbSamplesU(me: mutable) 
    	---Purpose: compute the sample-points for the intersections algorithms
    returns Integer from Standard
    is redefined;

    
    NbSamplesV(me: mutable) 
    	---Purpose: compute the sample-points for the intersections algorithms
    returns Integer from Standard
    is redefined;
    
    NbSamples(me: mutable)
        ---Purpose: compute the sample-points for the intersections algorithms
    returns Integer from Standard
    is redefined;    
    
    SamplePoint(me: mutable; Index: Integer from Standard;
                             P2d  : out Pnt2d   from gp;
                             P3d  : out Pnt     from gp)
    is redefined;
    
    DomainIsInfinite(me: mutable) 
        	returns Boolean from Standard
    is redefined;
    
    
fields -- redefined from TopolTool from Adaptor3d

    myVIterator : Explorer from TopExp;
    myFace      : Face     from TopoDS;
    myFClass2d  : Address  from Standard;
    myCurve     : HCurve2d from BRepAdaptor;
    -- MSV: replace myEIterator by myCIterator to return the same HCurve2d
    --      for the same edge each time the user calls Value()
    myCurves    : ListOfTransient from TColStd;
    myCIterator : ListIteratorOfListOfTransient from TColStd;
    
    --myS         : HSurface from Adaptor3d;  now inherits myS from Adaptor3d_TopolTool
    myU0        : Real     from Standard;
    myV0        : Real     from Standard;
    myDU        : Real     from Standard;
    myDV        : Real     from Standard;
    --myNbSamplesU: Integer  from Standard;   now inherits myS from Adaptor3d_TopolTool
    --myNbSamplesV: Integer  from Standard;   now inherits myS from Adaptor3d_TopolTool    

end TopolTool;