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- Corrected spelling errors in comments (e.g., "od" to "of", "thr" to "the") - Removed unnecessary `<br>` HTML tags from comment formatting - Normalized whitespace in comments for consistency - Fixed terminology (e.g., "3-d" to "3D")
124 lines
4.2 KiB
C++
124 lines
4.2 KiB
C++
// Created on: 1993-05-07
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// Created by: Jean Yves LEBEY
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _TopOpeBRep_ShapeIntersector2d_HeaderFile
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#define _TopOpeBRep_ShapeIntersector2d_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopOpeBRepTool_ShapeExplorer.hxx>
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#include <TopOpeBRep_ShapeScanner.hxx>
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#include <TopOpeBRep_EdgesIntersector.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Integer.hxx>
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class TopOpeBRepTool_HBoxTool;
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//! Intersect two shapes.
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//!
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//! A GeomShape is a shape with a geometric domain, i.e.
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//! a Face or an Edge.
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//!
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//! The purpose of the ShapeIntersector2d is to find
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//! couples of intersecting GeomShape in two Shapes
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//! (which can be any kind of topologies: Compound,
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//! Solid, Shell, etc... )
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//!
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//! It is in charge of exploration of the shapes and
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//! rejection. For this it is provided with two tools:
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//!
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//! - ShapeExplorer from TopOpeBRepTool.
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//! - ShapeScanner from TopOpeBRep which implements bounding boxes.
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//!
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//! Let S1,S2 the shapes sent to InitIntersection(S1,S2) method:
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//! - S1 is always SCANNED by a ShapeScanner from TopOpeBRep.
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//! - S2 is always EXPLORED by a ShapeExplorer from TopOpeBRepTool.
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class TopOpeBRep_ShapeIntersector2d
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT TopOpeBRep_ShapeIntersector2d();
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//! Initialize the intersection of shapes S1,S2.
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Standard_EXPORT void InitIntersection(const TopoDS_Shape& S1, const TopoDS_Shape& S2);
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//! return the shape <Index> ( = 1 or 2) given to
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//! InitIntersection().
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//! Index = 1 will return S1, Index = 2 will return S2.
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Standard_EXPORT const TopoDS_Shape& Shape(const Standard_Integer Index) const;
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//! returns True if there are more intersection
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//! between two the shapes.
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Standard_EXPORT Standard_Boolean MoreIntersection() const;
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//! search for the next intersection between the two shapes.
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Standard_EXPORT void NextIntersection();
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//! return the current intersection of two Edges.
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Standard_EXPORT TopOpeBRep_EdgesIntersector& ChangeEdgesIntersector();
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//! return geometric shape <Index> ( = 1 or 2 ) of
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//! current intersection.
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Standard_EXPORT const TopoDS_Shape& CurrentGeomShape(const Standard_Integer Index) const;
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Standard_EXPORT void DumpCurrent(const Standard_Integer K) const;
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Standard_EXPORT Standard_Integer Index(const Standard_Integer K) const;
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protected:
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private:
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Standard_EXPORT void Reset();
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Standard_EXPORT void Init(const TopoDS_Shape& S1, const TopoDS_Shape& S2);
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Standard_EXPORT void SetIntersectionDone();
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Standard_EXPORT void InitFFIntersection();
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Standard_EXPORT void FindFFIntersection();
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Standard_EXPORT Standard_Boolean MoreFFCouple() const;
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Standard_EXPORT void NextFFCouple();
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Standard_EXPORT void InitEEFFIntersection();
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Standard_EXPORT void FindEEFFIntersection();
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Standard_EXPORT Standard_Boolean MoreEEFFCouple() const;
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Standard_EXPORT void NextEEFFCouple();
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TopoDS_Shape myShape1;
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TopoDS_Shape myShape2;
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Handle(TopOpeBRepTool_HBoxTool) myHBoxTool;
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TopOpeBRepTool_ShapeExplorer myFaceExplorer;
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TopOpeBRep_ShapeScanner myFaceScanner;
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TopOpeBRepTool_ShapeExplorer myEdgeExplorer;
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TopOpeBRep_ShapeScanner myEdgeScanner;
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TopOpeBRep_EdgesIntersector myEEIntersector;
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Standard_Boolean myIntersectionDone;
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Standard_Boolean myFFDone;
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Standard_Boolean myEEFFDone;
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Standard_Boolean myFFInit;
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Standard_Boolean myEEFFInit;
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};
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#endif // _TopOpeBRep_ShapeIntersector2d_HeaderFile
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