-- File:	ApproxInt_MultiLineTool.cdl
-- Created:	Fri Mar 26 10:54:51 1993
-- Author:	Laurent BUCHARD
--		<lbr@topsn3>
---Copyright:	 Matra Datavision 1993

generic class MultiLineTool from ApproxInt (TheMultiLine   as any;
    	    	    	                    TheMultiMPoint as any)


uses 
      Status           from Approx,
      Array1OfPnt      from TColgp,
      Array1OfPnt2d    from TColgp,
      Array1OfVec      from TColgp,
      Array1OfVec2d    from TColgp
    
is
    
    
    FirstPoint(myclass; ML: TheMultiLine) returns Integer;
    	---C++:inline
    	---Purpose: Returns the number of multipoints of the TheMultiLine.

    LastPoint(myclass; ML: TheMultiLine) returns Integer;
    	---C++:inline
    	---Purpose: Returns the number of multipoints of the TheMultiLine.

    NbP2d(myclass; ML: TheMultiLine) returns Integer;
    	---C++:inline
    	---Purpose: Returns the number of 2d points of a TheMultiLine.


    NbP3d(myclass; ML: TheMultiLine) returns Integer; 
    	---C++:inline
   	---Purpose: Returns the number of 3d points of a TheMultiLine.


    Value(myclass; ML:  TheMultiLine; MPointIndex: Integer; tabPt: out Array1OfPnt);
    	---C++:inline
    	---Purpose: returns the 3d points of the multipoint <MPointIndex>
    	--          when only 3d points exist.


    Value(myclass; ML:  TheMultiLine; MPointIndex: Integer; 
          tabPt2d: out Array1OfPnt2d from TColgp);
    	---C++:inline
    	---Purpose: returns the 2d points of the multipoint <MPointIndex>
    	--          when only 2d points exist.


    Value(myclass; ML:  TheMultiLine; MPointIndex: Integer; 
          tabPt: out Array1OfPnt from TColgp; tabPt2d: out Array1OfPnt2d);
    	---C++:inline
    	---Purpose: returns the 3d and 2d points of the multipoint 
    	--          <MPointIndex>.

    Tangency(myclass; ML:  TheMultiLine; MPointIndex: Integer; tabV: out Array1OfVec from TColgp)
    returns Boolean;
    	---C++:inline
    	---Purpose: returns the 3d points of the multipoint <MPointIndex>
    	--          when only 3d points exist.


    Tangency(myclass; ML:  TheMultiLine; MPointIndex: Integer; 
          tabV2d: out Array1OfVec2d from TColgp)
    returns Boolean;
    	---C++:inline
    	---Purpose: returns the 2d tangency points of the multipoint 
    	--          <MPointIndex> only when 2d points exist.


    Tangency(myclass; ML:  TheMultiLine; MPointIndex: Integer; 
             tabV: out Array1OfVec from TColgp; tabV2d: out Array1OfVec2d from TColgp)
    returns Boolean;
    	---C++:inline
    	---Purpose: returns the 3d and 2d points of the multipoint 
    	--          <MPointIndex>.


--- methods not used but necessary


    Curvature(myclass; ML:  TheMultiLine; MPointIndex: Integer; 
             tabV: out Array1OfVec from TColgp)
    returns Boolean;
    	---C++:inline
    	---Purpose: returns the 3d curvature of the multipoint <MPointIndex>
    	--          when only 3d points exist.


    Curvature(myclass; ML:  TheMultiLine; MPointIndex: Integer; 
          tabV2d: out Array1OfVec2d from TColgp)
    returns Boolean;
    	---C++:inline
    	---Purpose: returns the 2d curvature points of the multipoint 
    	--          <MPointIndex> only when 2d points exist.


    Curvature(myclass; ML:  TheMultiLine; MPointIndex: Integer; 
             tabV: out Array1OfVec from TColgp; 
             tabV2d: out Array1OfVec2d from TColgp)
    returns Boolean;
    	---C++:inline
    	---Purpose: returns the 3d and 2d curvature of the multipoint 
    	--          <MPointIndex>.

    
     
    MakeMLBetween(myclass; ML:  TheMultiLine; I1, I2: Integer;
                  NbPMin: Integer) 
    returns TheMultiLine;
    	---C++:inline
    	---Purpose: Is called if WhatStatus returned "PointsAdded".
   
    WhatStatus(myclass; ML:  TheMultiLine; I1, I2: Integer) 
    	---C++:inline
    returns Status from Approx;
    
end MultiLineTool;