include/opencascade/ShapeUpgrade_ShellSewing.hxx

0001 // Created on: 1998-06-03
0002 // Created by: data exchange team
0003 // Copyright (c) 1998-1999 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 _ShapeUpgrade_ShellSewing_HeaderFile
0018 #define _ShapeUpgrade_ShellSewing_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <TopTools_ShapeMapHasher.hxx>
0025 #include <NCollection_IndexedMap.hxx>
0026 #include <Standard_Integer.hxx>
0027 class ShapeBuild_ReShape;
0028 class TopoDS_Shape;
0029
0030 //! This class provides a tool for applying sewing algorithm from
0031 //! BRepBuilderAPI: it takes a shape, calls sewing for each shell,
0032 //! and then replaces sewed shells with use of ShapeBuild_ReShape
0033 class ShapeUpgrade_ShellSewing
0034 {
0035 public:
0036   DEFINE_STANDARD_ALLOC
0037
0038   //! Creates a ShellSewing, empty
0039   Standard_EXPORT ShapeUpgrade_ShellSewing();
0040
0041   //! Builds a new shape from a former one, by calling Sewing from
0042   //! BRepBuilderAPI. Rebuilt solids are oriented to be "not infinite"
0043   //!
0044   //! If <tol> is not given (i.e. value 0. by default), it is
0045   //! computed as the mean tolerance recorded in <shape>
0046   //!
0047   //! If no shell has been sewed, this method returns the input
0048   //! shape
0049   Standard_EXPORT TopoDS_Shape ApplySewing(const TopoDS_Shape& shape, const double tol = 0.0);
0050
0051 private:
0052   Standard_EXPORT void Init(const TopoDS_Shape& shape);
0053
0054   Standard_EXPORT int Prepare(const double tol);
0055
0056   Standard_EXPORT TopoDS_Shape Apply(const TopoDS_Shape& shape, const double tol);
0057
0058   NCollection_IndexedMap<TopoDS_Shape, TopTools_ShapeMapHasher> myShells;
0059   occ::handle<ShapeBuild_ReShape>                               myReShape;
0060 };
0061
0062 #endif // _ShapeUpgrade_ShellSewing_HeaderFile