1 // Created on: 1992-06-04 2 // Created by: Jacques GOUSSARD 3 // Copyright (c) 1992-1999 Matra Datavision 4 // Copyright (c) 1999-2014 OPEN CASCADE SAS 5 // 6 // This file is part of Open CASCADE Technology software library. 7 // 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. 13 // 14 // Alternatively, this file may be used under the terms of Open CASCADE 15 // commercial license or contractual agreement. 16 17 #ifndef _Geom2dInt_TheProjPCurOfGInter_HeaderFile 18 #define _Geom2dInt_TheProjPCurOfGInter_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_DefineAlloc.hxx> 22 #include <Standard_Handle.hxx> 23 24 #include <Standard_Real.hxx> 25 class Adaptor2d_Curve2d; 26 class Geom2dInt_Geom2dCurveTool; 27 class Geom2dInt_TheCurveLocatorOfTheProjPCurOfGInter; 28 class Geom2dInt_TheLocateExtPCOfTheProjPCurOfGInter; 29 class Geom2dInt_PCLocFOfTheLocateExtPCOfTheProjPCurOfGInter; 30 class gp_Pnt2d; 31 32 33 34 class Geom2dInt_TheProjPCurOfGInter 35 { 36 public: 37 38 DEFINE_STANDARD_ALLOC 39 40 41 //! Returns the parameter V of the point on the 42 //! parametric curve corresponding to the Point Pnt. 43 //! The Correspondance between Pnt and the point P(V) 44 //! on the parametric curve must be coherent with the 45 //! way of determination of the signed distance 46 //! between a point and the implicit curve. 47 //! Tol is the tolerance on the distance between a point 48 //! and the parametrised curve. 49 //! In that case, no bounds are given. The research of 50 //! the rigth parameter has to be made on the natural 51 //! parametric domain of the curve. 52 Standard_EXPORT static Standard_Real FindParameter (const Adaptor2d_Curve2d& C, const gp_Pnt2d& Pnt, const Standard_Real Tol); 53 54 //! Returns the parameter V of the point on the 55 //! parametric curve corresponding to the Point Pnt. 56 //! The Correspondance between Pnt and the point P(V) 57 //! on the parametric curve must be coherent with the 58 //! way of determination of the signed distance 59 //! between a point and the implicit curve. 60 //! Tol is the tolerance on the distance between a point 61 //! and the parametrised curve. 62 //! LowParameter and HighParameter give the 63 //! boundaries of the interval in wich the parameter 64 //! certainly lies. These parameters are given to 65 //! implement a more efficient algoritm. So, it is not 66 //! necessary to check that the returned value verifies 67 //! LowParameter <= Value <= HighParameter. 68 Standard_EXPORT static Standard_Real FindParameter (const Adaptor2d_Curve2d& C, const gp_Pnt2d& Pnt, const Standard_Real LowParameter, const Standard_Real HighParameter, const Standard_Real Tol); 69 70 71 72 73 protected: 74 75 76 77 78 79 private: 80 81 82 83 84 85 }; 86 87 88 89 90 91 92 93 #endif // _Geom2dInt_TheProjPCurOfGInter_HeaderFile 94