include/opencascade/TopCnx_EdgeFaceTransition.hxx

0001 // Created on: 1992-08-11
0002 // Created by: Remi LEQUETTE
0003 // Copyright (c) 1992-1999 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 _TopCnx_EdgeFaceTransition_HeaderFile
0018 #define _TopCnx_EdgeFaceTransition_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <TopTrans_CurveTransition.hxx>
0025 #include <TopAbs_Orientation.hxx>
0026 class gp_Dir;
0027
0028
0029 //! TheEdgeFaceTransition is an algorithm to   compute
0030 //! the  cumulated  transition for interferences on an
0031 //! edge.
0032 class TopCnx_EdgeFaceTransition
0033 {
0034 public:
0035
0036   DEFINE_STANDARD_ALLOC
0037
0038
0039   //! Creates an empty algorithm.
0040   Standard_EXPORT TopCnx_EdgeFaceTransition();
0041
0042   //! Initialize  the     algorithm    with the    local
0043   //! description of the edge.
0044   Standard_EXPORT void Reset (const gp_Dir& Tgt, const gp_Dir& Norm, const Standard_Real Curv);
0045
0046   //! Initialize the algorithm with a linear Edge.
0047   Standard_EXPORT void Reset (const gp_Dir& Tgt);
0048
0049   //! Add a curve  element to the  boundary.  Or  is the
0050   //! orientation of   the interference on  the boundary
0051   //! curve. Tr is  the transition  of the interference.
0052   //! BTr     is   the    boundary  transition    of the
0053   //! interference.
0054   Standard_EXPORT void AddInterference (const Standard_Real Tole, const gp_Dir& Tang, const gp_Dir& Norm, const Standard_Real Curv, const TopAbs_Orientation Or, const TopAbs_Orientation Tr, const TopAbs_Orientation BTr);
0055
0056   //! Returns the current cumulated transition.
0057   Standard_EXPORT TopAbs_Orientation Transition() const;
0058
0059   //! Returns the current cumulated BoundaryTransition.
0060   Standard_EXPORT TopAbs_Orientation BoundaryTransition() const;
0061
0062
0063
0064
0065 protected:
0066
0067
0068
0069
0070
0071 private:
0072
0073
0074
0075   TopTrans_CurveTransition myCurveTransition;
0076   Standard_Integer nbBoundForward;
0077   Standard_Integer nbBoundReversed;
0078
0079
0080 };
0081
0082
0083
0084
0085
0086
0087
0088 #endif // _TopCnx_EdgeFaceTransition_HeaderFile