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 <Extrema_GenExtPS.hxx>
21 #include <Extrema_FuncPSNorm.hxx>
22 #include <Extrema_POnSurf.hxx>
23 #include <GeomAdaptor_SurfaceOfLinearExtrusion.hxx>
27 DEFINE_STANDARD_HANDLE(Extrema_ExtPExtS, Standard_Transient)
29 //! It calculates all the extremum (minimum and
30 //! maximum) distances between a point and a linear
31 //! extrusion surface.
32 class Extrema_ExtPExtS : public Standard_Transient
38 Standard_EXPORT Extrema_ExtPExtS();
40 //! It calculates all the distances between a point
41 //! from gp and a Surface.
42 Standard_EXPORT Extrema_ExtPExtS(const gp_Pnt& P, const Handle(GeomAdaptor_SurfaceOfLinearExtrusion)& 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);
44 //! It calculates all the distances between a point
45 //! from gp and a Surface.
46 Standard_EXPORT Extrema_ExtPExtS(const gp_Pnt& P, const Handle(GeomAdaptor_SurfaceOfLinearExtrusion)& S, const Standard_Real TolU, const Standard_Real TolV);
48 //! Initializes the fields of the algorithm.
49 Standard_EXPORT void Initialize (const Handle(GeomAdaptor_SurfaceOfLinearExtrusion)& 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);
51 Standard_EXPORT void Perform (const gp_Pnt& P);
53 //! Returns True if the distances are found.
54 Standard_EXPORT Standard_Boolean IsDone() const;
56 //! Returns the number of extremum distances.
57 Standard_EXPORT Standard_Integer NbExt() const;
59 //! Returns the value of the Nth resulting square distance.
60 Standard_EXPORT Standard_Real SquareDistance (const Standard_Integer N) const;
62 //! Returns the point of the Nth resulting distance.
63 Standard_EXPORT const Extrema_POnSurf& Point (const Standard_Integer N) const;
68 DEFINE_STANDARD_RTTIEXT(Extrema_ExtPExtS,Standard_Transient)
78 Standard_EXPORT void MakePreciser (Standard_Real& U, const gp_Pnt& P, const Standard_Boolean isMin, const gp_Ax2& OrtogSection) const;
86 Extrema_FuncPSNorm myF;
87 Handle(Adaptor3d_Curve) myC;
88 Handle(GeomAdaptor_SurfaceOfLinearExtrusion) myS;
91 Extrema_GenExtPS myExtPS;
92 Standard_Boolean myIsAnalyticallyComputable;
93 Standard_Boolean myDone;
94 Standard_Integer myNbExt;
95 Standard_Real mySqDist[4];
96 Extrema_POnSurf myPoint[4];
107 #endif // _Extrema_ExtPExtS_HeaderFile