-- Created on: 1992-09-29
-- Created by: Didier PIFFAULT
-- Copyright (c) 1992-1999 Matra Datavision
-- Copyright (c) 1999-2014 OPEN CASCADE SAS
--
-- This file is part of Open CASCADE Technology software library.
--
-- This library is free software; you can redistribute it and/or modify it under
-- the terms of the GNU Lesser General Public License version 2.1 as published
-- by the Free Software Foundation, with special exception defined in the file
-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-- distribution for complete text of the license and disclaimer of any warranty.
--
-- Alternatively, this file may be used under the terms of Open CASCADE
-- commercial license or contractual agreement.

generic class InterferencePolygonPolyhedron from Intf
    (Polygon3d as any;
     ToolPolygon3d as any;      -- as ToolPolygon(Pnt,Polygon3d,Box)
     Polyhedron as any;
     ToolPolyh as any)
    inherits Interference from Intf

	---Purpose: Computes the  interference between a polygon and a
	--          Polyhedron.

uses    Pnt               from gp,
    	Lin               from gp,
	XYZ               from gp,
	Array1OfLin       from Intf,
    	SectionPoint      from Intf,
    	SeqOfSectionPoint from Intf,
    	TangentZone       from Intf,
    	SeqOfTangentZone  from Intf,
	BoundSortBox      from Bnd

is

-- Interface :

    Create          returns InterferencePolygonPolyhedron from Intf;
    ---Purpose: Constructs  an  empty   interference  between Polygon   and
    --          Polyhedron.

    Create         (thePolyg : in Polygon3d; 
    	    	    thePolyh : in Polyhedron) 
    	            returns InterferencePolygonPolyhedron from Intf;
    ---Purpose: Constructs and computes an interference between the Polygon
    --          and the Polyhedron.

    Create         (theLin   : in Lin from gp;
    	    	    thePolyh : in Polyhedron) 
    	            returns InterferencePolygonPolyhedron from Intf;
    ---Purpose: Constructs  and computes  an  interference   between    the
    --          Straight Line and the Polyhedron.

    Create         (theLins  : in Array1OfLin from Intf;
    	    	    thePolyh : in Polyhedron) 
    	            returns InterferencePolygonPolyhedron from Intf;
    ---Purpose: Constructs   and   computes  an  interference   between the
    --          Straight Lines and the Polyhedron.

    Perform        (me        : in out;
    	    	    thePolyg  : in Polygon3d; 
    	    	    thePolyh  : in Polyhedron) 
    ---Purpose: Computes  an interference    between the   Polygon  and the
    --          Polyhedron.
    is static;

    Perform        (me        : in out;
    	    	    theLin    : in Lin from gp;
    	    	    thePolyh  : Polyhedron)
    ---Purpose: Computes an interference between the Straight  Line and the
    --          Polyhedron.
    is static;

    Perform        (me        : in out;
    	    	    theLins   : in Array1OfLin from Intf;
    	    	    thePolyh  : in Polyhedron)
    ---Purpose: Computes an interference  between the  Straight Lines  and
    --          the Polyhedron.
    is static;




    ---------------   Optimisation : On Passe le Bnd_BoundSortBox


    Create         (thePolyg   : in Polygon3d; 
    	    	    thePolyh   : in Polyhedron;
    	    	    theBoundSB : in out BoundSortBox from Bnd) 
    	            returns InterferencePolygonPolyhedron from Intf;
    ---Purpose: Constructs and computes an interference between the Polygon
    --          and the Polyhedron.

    Create         (theLin   : in Lin from gp;
    	    	    thePolyh : in Polyhedron;
    	    	    theBoundSB : in out BoundSortBox from Bnd) 
    	            returns InterferencePolygonPolyhedron from Intf;
    ---Purpose: Constructs  and computes  an  interference   between    the
    --          Straight Line and the Polyhedron.

    Create         (theLins  : in Array1OfLin from Intf;
    	    	    thePolyh : in Polyhedron;
    	    	    theBoundSB : in out BoundSortBox from Bnd) 
    	            returns InterferencePolygonPolyhedron from Intf;
    ---Purpose: Constructs   and   computes  an  interference   between the
    --          Straight Lines and the Polyhedron.

    Perform        (me        : in out;
    	    	    thePolyg  : in Polygon3d; 
    	    	    thePolyh  : in Polyhedron;
    	    	    theBoundSB : in out BoundSortBox from Bnd) 
    ---Purpose: Computes  an interference    between the   Polygon  and the
    --          Polyhedron.
    is static;

    Perform        (me        : in out;
    	    	    theLin    : in Lin from gp;
    	    	    thePolyh  : Polyhedron;
    	    	    theBoundSB : in out BoundSortBox from Bnd)
    ---Purpose: Computes an interference between the Straight  Line and the
    --          Polyhedron.
    is static;

    Perform        (me        : in out;
    	    	    theLins   : in Array1OfLin from Intf;
    	    	    thePolyh  : in Polyhedron;
    	    	    theBoundSB : in out BoundSortBox from Bnd)
    ---Purpose: Computes an interference  between the  Straight Lines  and
    --          the Polyhedron.
    is static;



    Interference   (me       : in out;
    	    	    thePolyg : in Polygon3d;
     	    	    thePolyh : in Polyhedron;
                    theBoundSB : in out BoundSortBox from Bnd)
    	    	    is static;
    ---Purpose: Compares the boundings between the segment of <thePolyg> and
    --          the facets of <thePolyh>.




-- Implementation :

    Interference   (me       : in out;
    	    	    thePolyg : in Polygon3d;
     	    	    thePolyh : in Polyhedron)
    	    	    is static;
    ---Purpose: Compares the boundings between the segment of <thePolyg> and
    --          the facets of <thePolyh>.


    Intersect      (me       : in out;
		    BegO     : in Pnt from gp;
		    EndO     : in Pnt from gp;
		    Infinite : Boolean from Standard;
		    TTri     : in Integer from Standard;
    	    	    thePolyh : in Polyhedron)
    	    	    is static private;
    ---Purpose: Computes the intersection between  the segment <BegO><EndO>
    --          and the triangle <TTri> of <thePolyh>.

    Intersect      (me       : in out;
		    BegO     : in Pnt from gp;
		    EndO     : in Pnt from gp;
		    Infinite : Boolean from Standard;
		    TTri     : in Integer from Standard;
    	    	    thePolyh : in Polyhedron;
    	    	    TriNormal: in XYZ from gp;
    	    	    TriDp    : in Real from Standard;
    	    	    dBegTri  : in Real from Standard;
    	    	    dEndTri  : in Real from Standard)
    	    	    is static private;
    ---Purpose: Computes the intersection between  the segment <BegO><EndO>
    --          and the triangle <TTri> of <thePolyh>.

fields
    BeginOfClosedPolygon: Boolean from Standard;
    iLin                : Integer from Standard;

end InterferencePolygonPolyhedron;