1 // Created on: 1999-09-16
2 // Created by: Edward AGAPOV
3 // Copyright (c) 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 _Extrema_ExtPExtS_HeaderFile
18 #define _Extrema_ExtPExtS_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
23 #include <Standard_Real.hxx>
24 #include <Extrema_FuncExtPS.hxx>
27 #include <Extrema_GenExtPS.hxx>
28 #include <Standard_Boolean.hxx>
29 #include <Standard_Integer.hxx>
30 #include <Extrema_POnSurf.hxx>
31 #include <Standard_Transient.hxx>
32 class Adaptor3d_HCurve;
33 class GeomAdaptor_HSurfaceOfLinearExtrusion;
34 class StdFail_NotDone;
35 class Standard_OutOfRange;
37 class Extrema_POnSurf;
41 class Extrema_ExtPExtS;
42 DEFINE_STANDARD_HANDLE(Extrema_ExtPExtS, Standard_Transient)
44 //! It calculates all the extremum (minimum and
45 //! maximum) distances between a point and a linear
46 //! extrusion surface.
47 class Extrema_ExtPExtS : public Standard_Transient
53 Standard_EXPORT Extrema_ExtPExtS();
55 //! It calculates all the distances between a point
56 //! from gp and a Surface.
57 Standard_EXPORT Extrema_ExtPExtS(const gp_Pnt& P, const Handle(GeomAdaptor_HSurfaceOfLinearExtrusion)& S, const Standard_Real Umin, const Standard_Real Usup, const Standard_Real Vmin, const Standard_Real Vsup, const Standard_Real TolU, const Standard_Real TolV);
59 //! It calculates all the distances between a point
60 //! from gp and a Surface.
61 Standard_EXPORT Extrema_ExtPExtS(const gp_Pnt& P, const Handle(GeomAdaptor_HSurfaceOfLinearExtrusion)& S, const Standard_Real TolU, const Standard_Real TolV);
63 //! Initializes the fields of the algorithm.
64 Standard_EXPORT void Initialize (const Handle(GeomAdaptor_HSurfaceOfLinearExtrusion)& S, const Standard_Real Uinf, const Standard_Real Usup, const Standard_Real Vinf, const Standard_Real Vsup, const Standard_Real TolU, const Standard_Real TolV);
66 Standard_EXPORT void Perform (const gp_Pnt& P);
68 //! Returns True if the distances are found.
69 Standard_EXPORT Standard_Boolean IsDone() const;
71 //! Returns the number of extremum distances.
72 Standard_EXPORT Standard_Integer NbExt() const;
74 //! Returns the value of the Nth resulting square distance.
75 Standard_EXPORT Standard_Real SquareDistance (const Standard_Integer N) const;
77 //! Returns the point of the Nth resulting distance.
78 Standard_EXPORT const Extrema_POnSurf& Point (const Standard_Integer N) const;
83 DEFINE_STANDARD_RTTI(Extrema_ExtPExtS,Standard_Transient)
93 Standard_EXPORT void MakePreciser (Standard_Real& U, const gp_Pnt& P, const Standard_Boolean isMin, const gp_Ax2& OrtogSection) const;
100 Standard_Real mytolv;
101 Extrema_FuncExtPS myF;
102 Handle(Adaptor3d_HCurve) myC;
103 Handle(GeomAdaptor_HSurfaceOfLinearExtrusion) myS;
106 Extrema_GenExtPS myExtPS;
107 Standard_Boolean myIsAnalyticallyComputable;
108 Standard_Boolean myDone;
109 Standard_Integer myNbExt;
110 Standard_Real mySqDist[4];
111 Extrema_POnSurf myPoint[4];
122 #endif // _Extrema_ExtPExtS_HeaderFile