include/opencascade/TopoDS_Vertex.hxx

0001 // Created on: 1990-12-13
0002 // Created by: Remi Lequette
0003 // Copyright (c) 1990-1999 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 _TopoDS_Vertex_HeaderFile
0018 #define _TopoDS_Vertex_HeaderFile
0019
0020 #include <TopoDS_Shape.hxx>
0021
0022 //! Describes a vertex which
0023 //! - references an underlying vertex with the potential
0024 //! to be given a location and an orientation
0025 //! - has a location for the underlying vertex, giving its
0026 //! placement in the local coordinate system
0027 //! - has an orientation for the underlying vertex, in
0028 //! terms of its geometry (as opposed to orientation in
0029 //! relation to other shapes).
0030 class TopoDS_Vertex  : public TopoDS_Shape
0031 {
0032 public:
0033
0034   DEFINE_STANDARD_ALLOC
0035
0036   //! Undefined Vertex.
0037   TopoDS_Vertex() {}
0038 };
0039
0040 namespace std
0041 {
0042   template <>
0043   struct hash<TopoDS_Vertex>
0044   {
0045     size_t operator()(const TopoDS_Vertex& theShape) const
0046     {
0047       return std::hash<TopoDS_Shape>{}(theShape);
0048     }
0049   };
0050 }
0051
0052 #endif // _TopoDS_Vertex_HeaderFile