-- File:	HLRBRep.cdl
-- Created:	Wed Oct 14 11:08:52 1992
-- Author:	Christophe MARION
--		<cma@sdsun1>
---Copyright:	 Matra Datavision 1992

package HLRBRep 
    ---Purpose: Hidden Lines Removal
    --          algorithms on the BRep DataStructure.
    --          
    --          The class PolyAlgo  is used to remove Hidden lines
    --          on Shapes with Triangulations.

uses
    Standard,
    StdFail,
    MMgt,
    gp,
    Geom,
    Geom2d,
    TCollection,
    TColgp,
    TColStd,
    GeomAbs,
    LProp,
    IntRes2d,
    IntCurve,
    IntCurveSurface,
    TopAbs,
    TopoDS,
    TopExp,
    TopTools,
    HLRAlgo,
    Adaptor3d,
    BRep,
    BRepAdaptor,
    BRepTopAdaptor,
    HLRTopoBRep

is
    class CurveTool;
    class BCurveTool;
    class Curve;
    class SurfaceTool;
    class BSurfaceTool;
    class Surface;

    class CLPropsATool;
    class CLProps       instantiates CLProps          from LProp (
    	Address      from Standard, -- as Curve from HLRBRep
	Vec2d        from gp,
	Pnt2d        from gp,
	Dir2d        from gp,
	CLPropsATool from HLRBRep);

    class SLPropsATool;
    class SLProps       instantiates SLProps          from LProp (
    	Address      from Standard, -- as Surface from HLRBRep
	SLPropsATool from HLRBRep);

    class CInter        instantiates IntCurveCurveGen from IntCurve ( 
    	Address   from Standard,
    	CurveTool from HLRBRep);

    class LineTool;

    class InterCSurf    instantiates Inter            from IntCurveSurface (
    	Lin         from gp,
	LineTool    from HLRBRep,
    	Address     from Standard,
        SurfaceTool from HLRBRep);

    class EdgeFaceTool;

    class Intersector;
    
    class EdgeData;
	
    class FaceData;
    
    class FaceIterator;
	
    class Array1OfEData instantiates Array1           from TCollection
    	(EdgeData from HLRBRep);

    class Array1OfFData instantiates Array1           from TCollection
    	(FaceData from HLRBRep);

    class Data;

    class ShapeToHLR;

    class HLRToShape;

    class ShapeBounds;

    class SeqOfShapeBounds instantiates Sequence from TCollection
    	(ShapeBounds from HLRBRep);

    class EdgeInterferenceTool;

    class VertexList;

    class EdgeIList;
    
    class AreaLimit;
    
    class EdgeBuilder;

    class Hider;
    
    class InternalAlgo;
    
    class Algo;
	---Purpose: Inherited  from InternalAlgo  to  provide  methods
	--          with Shape from TopoDS.
    
    class PolyAlgo;
	---Purpose: to remove Hidden lines on Shapes with Triangulations.
    
    class BiPoint;
    class BiPnt2D;
    
    class ListOfBPoint instantiates List from TCollection (
    	BiPoint from HLRBRep);

    class ListOfBPnt2D instantiates List from TCollection (
    	BiPnt2D from HLRBRep);

    class PolyHLRToShape;

    MakeEdge(ec    : Curve from HLRBRep;
             U1,U2 : Real  from Standard)
    returns Edge from TopoDS;
    
    PolyHLRAngleAndDeflection(InAngl           :     Real from Standard;
                              OutAngl, OutDefl : out Real from Standard);
    
end HLRBRep;