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
6 // under the terms of the GNU Lesser General Public 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_ExtFF_HeaderFile
15 #define _BRepExtrema_ExtFF_HeaderFile
17 #ifndef _Standard_HeaderFile
18 #include <Standard.hxx>
20 #ifndef _Standard_DefineAlloc_HeaderFile
21 #include <Standard_DefineAlloc.hxx>
23 #ifndef _Standard_Macro_HeaderFile
24 #include <Standard_Macro.hxx>
27 #ifndef _Extrema_ExtSS_HeaderFile
28 #include <Extrema_ExtSS.hxx>
30 #ifndef _Standard_Integer_HeaderFile
31 #include <Standard_Integer.hxx>
33 #ifndef _TColStd_SequenceOfReal_HeaderFile
34 #include <TColStd_SequenceOfReal.hxx>
36 #ifndef _Extrema_SequenceOfPOnSurf_HeaderFile
37 #include <Extrema_SequenceOfPOnSurf.hxx>
39 #ifndef _Handle_BRepAdaptor_HSurface_HeaderFile
40 #include <Handle_BRepAdaptor_HSurface.hxx>
42 #ifndef _Standard_Boolean_HeaderFile
43 #include <Standard_Boolean.hxx>
45 #ifndef _Standard_Real_HeaderFile
46 #include <Standard_Real.hxx>
48 #ifndef _Extrema_POnSurf_HeaderFile
49 #include <Extrema_POnSurf.hxx>
51 class BRepAdaptor_HSurface;
57 class BRepExtrema_ExtFF
63 Standard_EXPORT BRepExtrema_ExtFF()
66 //! It calculates all the distances. <br>
67 Standard_EXPORT BRepExtrema_ExtFF(const TopoDS_Face& F1,const TopoDS_Face& F2);
69 Standard_EXPORT void Initialize(const TopoDS_Face& F2) ;
70 //! An exception is raised if the fields have not been initialized. <br>
71 //! Be careful: this method uses the Face F2 only for classify, not for the fields. <br>
72 Standard_EXPORT void Perform(const TopoDS_Face& F1,const TopoDS_Face& F2);
73 //! True if the distances are found. <br>
74 Standard_EXPORT Standard_Boolean IsDone() const
76 return myExtSS.IsDone();
78 //! Returns True if the surfaces are parallel. <br>
79 Standard_EXPORT Standard_Boolean IsParallel() const
81 return myExtSS.IsParallel();
83 //! Returns the number of extremum distances. <br>
84 Standard_EXPORT Standard_Integer NbExt() const
86 return mySqDist.Length();
88 //! Returns the value of the <N>th extremum square distance. <br>
89 Standard_EXPORT Standard_Real SquareDistance(const Standard_Integer N) const
91 return mySqDist.Value(N);
93 //! Returns the parameters on the Face F1 of the <N>th extremum distance. <br>
94 Standard_EXPORT void ParameterOnFace1(const Standard_Integer N,Standard_Real& U,Standard_Real& V) const
96 myPointsOnS1.Value(N).Parameter(U, V);
98 //! Returns the parameters on the Face F2 of the <N>th extremum distance. <br>
99 Standard_EXPORT void ParameterOnFace2(const Standard_Integer N,Standard_Real& U,Standard_Real& V) const
101 myPointsOnS2.Value(N).Parameter(U, V);
103 //! Returns the Point of the <N>th extremum distance. <br>
104 Standard_EXPORT gp_Pnt PointOnFace1(const Standard_Integer N) const
106 return myPointsOnS1.Value(N).Value();
108 //! Returns the Point of the <N>th extremum distance. <br>
109 Standard_EXPORT gp_Pnt PointOnFace2(const Standard_Integer N) const
111 return myPointsOnS2.Value(N).Value();
116 Extrema_ExtSS myExtSS;
117 TColStd_SequenceOfReal mySqDist;
118 Extrema_SequenceOfPOnSurf myPointsOnS1;
119 Extrema_SequenceOfPOnSurf myPointsOnS2;
120 Handle_BRepAdaptor_HSurface myHS;