include/opencascade/IGESSolid_Shell.hxx

0001 // Created on: 1993-01-09
0002 // Created by: CKY / Contract Toubro-Larsen ( SIVA )
0003 // Copyright (c) 1993-1999 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 _IGESSolid_Shell_HeaderFile
0018 #define _IGESSolid_Shell_HeaderFile
0019
0020 #include <Standard.hxx>
0021
0022 #include <IGESSolid_HArray1OfFace.hxx>
0023 #include <TColStd_HArray1OfInteger.hxx>
0024 #include <IGESData_IGESEntity.hxx>
0025 #include <Standard_Integer.hxx>
0026 class IGESSolid_Face;
0027
0028
0029 class IGESSolid_Shell;
0030 DEFINE_STANDARD_HANDLE(IGESSolid_Shell, IGESData_IGESEntity)
0031
0032 //! defines Shell, Type <514> Form Number <1>
0033 //! in package IGESSolid
0034 //! Shell entity is a connected entity of dimensionality 2
0035 //! which divides R3 into two arcwise connected open subsets,
0036 //! one of which is finite. Inside of the shell is defined to
0037 //! be the finite region.
0038 //! From IGES-5.3, Form can be <1> for Closed or <2> for Open
0039 class IGESSolid_Shell : public IGESData_IGESEntity
0040 {
0041
0042 public:
0043
0044
0045   Standard_EXPORT IGESSolid_Shell();
0046
0047   //! This method is used to set the fields of the class Shell
0048   //! - allFaces  : the faces comprising the shell
0049   //! - allOrient : the orientation flags of the shell
0050   //! raises exception if length of allFaces & allOrient do not match
0051   Standard_EXPORT void Init (const Handle(IGESSolid_HArray1OfFace)& allFaces, const Handle(TColStd_HArray1OfInteger)& allOrient);
0052
0053   //! Tells if a Shell is Closed, i.e. if its FormNumber is 1
0054   //! (this is the default)
0055   Standard_EXPORT Standard_Boolean IsClosed() const;
0056
0057   //! Sets or Unsets the Closed status (FormNumber = 1 else 2)
0058   Standard_EXPORT void SetClosed (const Standard_Boolean closed);
0059
0060   //! returns the number of the face entities in the shell
0061   Standard_EXPORT Standard_Integer NbFaces() const;
0062
0063   //! returns the Index'th face entity of the shell
0064   //! raises exception if Index <= 0 or Index > NbFaces()
0065   Standard_EXPORT Handle(IGESSolid_Face) Face (const Standard_Integer Index) const;
0066
0067   //! returns the orientation of Index'th face w.r.t the direction of
0068   //! the underlying surface
0069   //! raises exception if Index <= 0 or Index > NbFaces()
0070   Standard_EXPORT Standard_Boolean Orientation (const Standard_Integer Index) const;
0071
0072
0073
0074
0075   DEFINE_STANDARD_RTTIEXT(IGESSolid_Shell,IGESData_IGESEntity)
0076
0077 protected:
0078
0079
0080
0081
0082 private:
0083
0084
0085   Handle(IGESSolid_HArray1OfFace) theFaces;
0086   Handle(TColStd_HArray1OfInteger) theOrientation;
0087
0088
0089 };
0090
0091
0092
0093
0094
0095
0096
0097 #endif // _IGESSolid_Shell_HeaderFile