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da72a17c80
1. Using of the "Closed" flag was unified: a) this flag is applicable for TopoDS_Wire and TopoDS_Shell only, because these entities may hedge an area in 2D space or a volume in 3D space correspondingly; b) other types of TopoDS shapes are passing over this flag; c) changing of this flag should be controlled by high-level algorithms (not BRep_Builder). 2. Implemented verification of the closedness of edges. An edge is closed if and only if its first and last vertices are the same. 3. Test cases were changed according to new behavior.
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
// Created on: 1998-07-22
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// Created by: Philippe MANGIN
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// Copyright (c) 1998-1999 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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#include <BRepFill_Section.ixx>
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#include <TopoDS.hxx>
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#include <BRep_Builder.hxx>
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#include <TopoDS_Edge.hxx>
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BRepFill_Section::BRepFill_Section() :islaw(0), contact(0), correction(0)
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{
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}
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BRepFill_Section::BRepFill_Section(const TopoDS_Shape& Profile,
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const TopoDS_Vertex& V,
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const Standard_Boolean WithContact,
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const Standard_Boolean WithCorrection)
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: vertex(V),
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islaw(0),contact(WithContact),
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correction(WithCorrection)
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{
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if (Profile.ShapeType() == TopAbs_WIRE)
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wire = TopoDS::Wire(Profile);
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else if (Profile.ShapeType() == TopAbs_VERTEX)
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{
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TopoDS_Vertex aVertex = TopoDS::Vertex(Profile);
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BRep_Builder BB;
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TopoDS_Edge DegEdge;
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BB.MakeEdge( DegEdge );
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BB.Add( DegEdge, aVertex.Oriented(TopAbs_FORWARD) );
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BB.Add( DegEdge, aVertex.Oriented(TopAbs_REVERSED) );
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BB.Degenerated( DegEdge, Standard_True );
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BB.MakeWire( wire );
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BB.Add( wire, DegEdge );
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wire.Closed( Standard_True );
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}
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else
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Standard_Failure::Raise("BRepFill_Section: bad shape type of section");
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}
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void BRepFill_Section::Set(const Standard_Boolean IsLaw)
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{
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islaw = IsLaw;
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}
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