include/opencascade/Extrema_POnSurf.hxx

0001 // Created on: 1991-02-21
0002 // Created by: Isabelle GRIGNON
0003 // Copyright (c) 1991-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _Extrema_POnSurf_HeaderFile
0018 #define _Extrema_POnSurf_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022
0023 #include <gp_Pnt.hxx>
0024 class gp_Pnt;
0025
0026
0027 //! Definition of a point on surface.
0028 class Extrema_POnSurf
0029 {
0030 public:
0031
0032   DEFINE_STANDARD_ALLOC
0033
0034
0035   //! Creation of an indefinite point on surface.
0036     Extrema_POnSurf();
0037
0038   //! Creation of a point on surface with parameter
0039   //! values on the surface and a Pnt from gp.
0040     Extrema_POnSurf(const Standard_Real U, const Standard_Real V, const gp_Pnt& P);
0041
0042   //! Returns the 3d point.
0043     const gp_Pnt& Value() const;
0044
0045   //! Sets the params of current POnSurf instance.
0046   //! (e.g. to the point to be projected).
0047     void SetParameters (const Standard_Real theU, const Standard_Real theV, const gp_Pnt& thePnt);
0048
0049   //! Returns the parameter values on the surface.
0050     void Parameter (Standard_Real& U, Standard_Real& V) const;
0051
0052
0053
0054
0055 protected:
0056
0057
0058
0059
0060
0061 private:
0062
0063
0064
0065   Standard_Real myU;
0066   Standard_Real myV;
0067   gp_Pnt myP;
0068
0069
0070 };
0071
0072
0073 #include <Extrema_POnSurf.lxx>
0074
0075
0076
0077
0078
0079 #endif // _Extrema_POnSurf_HeaderFile