include/opencascade/ShapeFix_EdgeConnect.hxx

0001 // Created on: 1999-05-11
0002 // Created by: Sergei ZERTCHANINOV
0003 // Copyright (c) 1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _ShapeFix_EdgeConnect_HeaderFile
0018 #define _ShapeFix_EdgeConnect_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022
0023 #include <TopoDS_Shape.hxx>
0024 #include <TopTools_ShapeMapHasher.hxx>
0025 #include <NCollection_DataMap.hxx>
0026 #include <NCollection_List.hxx>
0027 class TopoDS_Edge;
0028 class TopoDS_Shape;
0029
0030 //! Rebuilds edges to connect with new vertices, was moved from ShapeBuild.
0031 //! Makes vertices to be shared to connect edges,
0032 //! updates positions and tolerances for shared vertices.
0033 //! Accepts edges bounded by two vertices each.
0034 class ShapeFix_EdgeConnect
0035 {
0036 public:
0037   DEFINE_STANDARD_ALLOC
0038
0039   Standard_EXPORT ShapeFix_EdgeConnect();
0040
0041   //! Adds information on connectivity between start vertex
0042   //! of second edge and end vertex of first edge,
0043   //! taking edges orientation into account
0044   Standard_EXPORT void Add(const TopoDS_Edge& aFirst, const TopoDS_Edge& aSecond);
0045
0046   //! Adds connectivity information for the whole shape.
0047   //! Note: edges in wires must be well ordered
0048   //! Note: flag Closed should be set for closed wires
0049   Standard_EXPORT void Add(const TopoDS_Shape& aShape);
0050
0051   //! Builds shared vertices, updates their positions and tolerances
0052   Standard_EXPORT void Build();
0053
0054   //! Clears internal data structure
0055   Standard_EXPORT void Clear();
0056
0057 private:
0058   NCollection_DataMap<TopoDS_Shape, TopoDS_Shape, TopTools_ShapeMapHasher> myVertices;
0059   NCollection_DataMap<TopoDS_Shape, NCollection_List<TopoDS_Shape>, TopTools_ShapeMapHasher>
0060     myLists;
0061 };
0062
0063 #endif // _ShapeFix_EdgeConnect_HeaderFile