include/opencascade/IntCurveSurface_TheQuadCurvFuncOfTheQuadCurvExactHInter.hxx

0001 // Created on: 1993-04-07
0002 // Created by: Laurent BUCHARD
0003 // Copyright (c) 1993-1999 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 _IntCurveSurface_TheQuadCurvFuncOfTheQuadCurvExactHInter_HeaderFile
0018 #define _IntCurveSurface_TheQuadCurvFuncOfTheQuadCurvExactHInter_HeaderFile
0019
0020 #include <Adaptor3d_Curve.hxx>
0021 #include <IntSurf_Quadric.hxx>
0022 #include <math_FunctionWithDerivative.hxx>
0023
0024 class IntSurf_Quadric;
0025 class IntCurveSurface_TheHCurveTool;
0026
0027 class IntCurveSurface_TheQuadCurvFuncOfTheQuadCurvExactHInter : public math_FunctionWithDerivative
0028 {
0029 public:
0030   DEFINE_STANDARD_ALLOC
0031
0032   //! Create the function.
0033   Standard_EXPORT IntCurveSurface_TheQuadCurvFuncOfTheQuadCurvExactHInter(
0034     const IntSurf_Quadric&              Q,
0035     const occ::handle<Adaptor3d_Curve>& C);
0036
0037   //! Computes the value of the signed distance between
0038   //! the implicit surface and the point at parameter
0039   //! Param on the parametrised curve.
0040   //! Value always returns True.
0041   Standard_EXPORT bool Value(const double Param, double& F) override;
0042
0043   //! Computes the derivative of the previous function at
0044   //! parameter Param.
0045   //! Derivative always returns True.
0046   Standard_EXPORT bool Derivative(const double Param, double& D) override;
0047
0048   //! Computes the value and the derivative of the function.
0049   //! returns True.
0050   Standard_EXPORT bool Values(const double Param, double& F, double& D) override;
0051
0052 private:
0053   IntSurf_Quadric              myQuadric;
0054   occ::handle<Adaptor3d_Curve> myCurve;
0055 };
0056
0057 #endif // _IntCurveSurface_TheQuadCurvFuncOfTheQuadCurvExactHInter_HeaderFile