1 // Copyright (c) 1999-2014 OPEN CASCADE SAS
3 // This file is part of Open CASCADE Technology software library.
5 // This library is free software; you can redistribute it and/or modify it under
6 // the terms of the GNU Lesser General Public License version 2.1 as published
7 // by the Free Software Foundation, with special exception defined in the file
8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9 // distribution for complete text of the license and disclaimer of any warranty.
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
14 #ifndef _BRepExtrema_ExtCF_HeaderFile
15 #define _BRepExtrema_ExtCF_HeaderFile
17 #include <Extrema_ExtCS.hxx>
18 #include <TColStd_SequenceOfReal.hxx>
19 #include <Extrema_SequenceOfPOnSurf.hxx>
20 #include <Extrema_SequenceOfPOnCurv.hxx>
21 #include <BRepAdaptor_HSurface.hxx>
22 #include <Extrema_POnCurv.hxx>
23 #include <Extrema_POnSurf.hxx>
24 #include <Standard_DefineAlloc.hxx>
26 class BRepAdaptor_HSurface;
32 class BRepExtrema_ExtCF
38 Standard_EXPORT BRepExtrema_ExtCF()
41 //! It calculates all the distances. <br>
42 Standard_EXPORT BRepExtrema_ExtCF(const TopoDS_Edge& E,const TopoDS_Face& F);
44 Standard_EXPORT void Initialize(const TopoDS_Edge& E, const TopoDS_Face& F);
45 //! An exception is raised if the fields have not been initialized. <br>
46 //! Be careful: this method uses the Face only for classify not for the fields. <br>
47 Standard_EXPORT void Perform(const TopoDS_Edge& E,const TopoDS_Face& F);
48 //! True if the distances are found. <br>
49 Standard_EXPORT Standard_Boolean IsDone() const
51 return myExtCS.IsDone();
53 //! Returns the number of extremum distances. <br>
54 Standard_EXPORT Standard_Integer NbExt() const
56 return mySqDist.Length();
58 //! Returns the value of the <N>th extremum square distance. <br>
59 Standard_EXPORT Standard_Real SquareDistance(const Standard_Integer N) const
61 return mySqDist.Value(N);
63 //! Returns True if the curve is on a parallel surface. <br>
64 Standard_EXPORT Standard_Boolean IsParallel() const
66 return myExtCS.IsParallel();
68 //! Returns the parameters on the Edge of the <N>th extremum distance. <br>
69 Standard_EXPORT Standard_Real ParameterOnEdge(const Standard_Integer N) const
71 return myPointsOnC.Value(N).Parameter();
73 //! Returns the parameters on the Face of the <N>th extremum distance. <br>
74 Standard_EXPORT void ParameterOnFace(const Standard_Integer N,Standard_Real& U,Standard_Real& V) const
76 myPointsOnS.Value(N).Parameter(U, V);
78 //! Returns the Point of the <N>th extremum distance. <br>
79 Standard_EXPORT gp_Pnt PointOnEdge(const Standard_Integer N) const
81 return myPointsOnC.Value(N).Value();
83 //! Returns the Point of the <N>th extremum distance. <br>
84 Standard_EXPORT gp_Pnt PointOnFace(const Standard_Integer N) const
86 return myPointsOnS.Value(N).Value();
91 Extrema_ExtCS myExtCS;
92 TColStd_SequenceOfReal mySqDist;
93 Extrema_SequenceOfPOnSurf myPointsOnS;
94 Extrema_SequenceOfPOnCurv myPointsOnC;
95 Handle(BRepAdaptor_HSurface) myHS;