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File indexing completed on 2025-01-18 10:03:35
0001 // Created on: 1992-06-04 0002 // Created by: Jacques GOUSSARD 0003 // Copyright (c) 1992-1999 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 _Geom2dInt_TheProjPCurOfGInter_HeaderFile 0018 #define _Geom2dInt_TheProjPCurOfGInter_HeaderFile 0019 0020 #include <Standard.hxx> 0021 #include <Standard_DefineAlloc.hxx> 0022 0023 class Adaptor2d_Curve2d; 0024 class Geom2dInt_Geom2dCurveTool; 0025 class Geom2dInt_TheCurveLocatorOfTheProjPCurOfGInter; 0026 class Geom2dInt_TheLocateExtPCOfTheProjPCurOfGInter; 0027 class Geom2dInt_PCLocFOfTheLocateExtPCOfTheProjPCurOfGInter; 0028 class gp_Pnt2d; 0029 0030 0031 0032 class Geom2dInt_TheProjPCurOfGInter 0033 { 0034 public: 0035 0036 DEFINE_STANDARD_ALLOC 0037 0038 0039 //! Returns the parameter V of the point on the 0040 //! parametric curve corresponding to the Point Pnt. 0041 //! The Correspondence between Pnt and the point P(V) 0042 //! on the parametric curve must be coherent with the 0043 //! way of determination of the signed distance 0044 //! between a point and the implicit curve. 0045 //! Tol is the tolerance on the distance between a point 0046 //! and the parametrised curve. 0047 //! In that case, no bounds are given. The research of 0048 //! the right parameter has to be made on the natural 0049 //! parametric domain of the curve. 0050 Standard_EXPORT static Standard_Real FindParameter (const Adaptor2d_Curve2d& C, const gp_Pnt2d& Pnt, const Standard_Real Tol); 0051 0052 //! Returns the parameter V of the point on the 0053 //! parametric curve corresponding to the Point Pnt. 0054 //! The Correspondence between Pnt and the point P(V) 0055 //! on the parametric curve must be coherent with the 0056 //! way of determination of the signed distance 0057 //! between a point and the implicit curve. 0058 //! Tol is the tolerance on the distance between a point 0059 //! and the parametrised curve. 0060 //! LowParameter and HighParameter give the 0061 //! boundaries of the interval in which the parameter 0062 //! certainly lies. These parameters are given to 0063 //! implement a more efficient algorithm. So, it is not 0064 //! necessary to check that the returned value verifies 0065 //! LowParameter <= Value <= HighParameter. 0066 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); 0067 0068 0069 0070 0071 protected: 0072 0073 0074 0075 0076 0077 private: 0078 0079 0080 0081 0082 0083 }; 0084 0085 0086 0087 0088 0089 0090 0091 #endif // _Geom2dInt_TheProjPCurOfGInter_HeaderFile
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