1 // Created on: 1992-08-20
2 // Created by: Christophe MARION
3 // Copyright (c) 1992-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _HLRAlgo_Coincidence_HeaderFile
18 #define _HLRAlgo_Coincidence_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Integer.hxx>
25 #include <Standard_Real.hxx>
26 #include <TopAbs_State.hxx>
28 //! The Coincidence class is used in an Inteference to
29 //! store informations on the "hiding" edge.
31 //! 2D Data : The tangent and the curvature of the
32 //! projection of the edge at the intersection point.
33 //! This is necesserary when the intersection is at
34 //! the extremity of the edge.
36 //! 3D Data : The state of the edge near the
37 //! intersection with the face (before and after).
38 //! This is necessary when the intersection is "ON"
40 class HLRAlgo_Coincidence
45 Standard_EXPORT HLRAlgo_Coincidence() :
53 void Set2D (const Standard_Integer FE, const Standard_Real Param)
59 void SetState3D (const TopAbs_State stbef, const TopAbs_State staft)
65 void Value2D (Standard_Integer& FE, Standard_Real& Param) const
71 void State3D (TopAbs_State& stbef, TopAbs_State& staft) const
78 Standard_Integer myFE;
79 Standard_Real myParam;
84 #endif // _HLRAlgo_Coincidence_HeaderFile