include/opencascade/TopoDS_Shell.hxx

0001 // Created on: 1990-12-17
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_Shell_HeaderFile
0018 #define _TopoDS_Shell_HeaderFile
0019
0020 #include <TopoDS_Shape.hxx>
0021
0022 //! Describes a shell which
0023 //! - references an underlying shell with the potential to
0024 //! be given a location and an orientation
0025 //! - has a location for the underlying shell, giving its
0026 //! placement in the local coordinate system
0027 //! - has an orientation for the underlying shell, in terms
0028 //! of its geometry (as opposed to orientation in relation to other shapes).
0029 class TopoDS_Shell : public TopoDS_Shape
0030 {
0031 public:
0032   DEFINE_STANDARD_ALLOC
0033
0034   //! Constructs an Undefined Shell.
0035   TopoDS_Shell() {}
0036 };
0037
0038 namespace std
0039 {
0040 template <>
0041 struct hash<TopoDS_Shell>
0042 {
0043   size_t operator()(const TopoDS_Shell& theShape) const
0044   {
0045     return std::hash<TopoDS_Shape>{}(theShape);
0046   }
0047 };
0048 } // namespace std
0049
0050 #endif // _TopoDS_Shell_HeaderFile