include/opencascade/BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox.hxx

0001 // Created on: 1995-06-06
0002 // Created by: Jean Yves LEBEY
0003 // Copyright (c) 1995-1999 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 _BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox_HeaderFile
0018 #define _BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022
0023 #include <gp_Pnt.hxx>
0024 #include <gp_Vec.hxx>
0025 #include <gp_Dir2d.hxx>
0026 #include <math_FunctionSetWithDerivatives.hxx>
0027 #include <math_Vector.hxx>
0028 class StdFail_UndefinedDerivative;
0029 class BRepAdaptor_Surface;
0030 class BRepApprox_SurfaceTool;
0031 class IntSurf_Quadric;
0032 class IntSurf_QuadricTool;
0033 class math_Matrix;
0034 class gp_Pnt;
0035 class gp_Vec;
0036 class gp_Dir2d;
0037
0038 class BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox : public math_FunctionSetWithDerivatives
0039 {
0040 public:
0041   DEFINE_STANDARD_ALLOC
0042
0043   Standard_EXPORT BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox();
0044
0045   Standard_EXPORT BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox(
0046     const BRepAdaptor_Surface& PS,
0047     const IntSurf_Quadric&     IS);
0048
0049   Standard_EXPORT BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox(const IntSurf_Quadric& IS);
0050
0051   void Set(const BRepAdaptor_Surface& PS);
0052
0053   void SetImplicitSurface(const IntSurf_Quadric& IS);
0054
0055   void Set(const double Tolerance);
0056
0057   Standard_EXPORT int NbVariables() const override;
0058
0059   Standard_EXPORT int NbEquations() const override;
0060
0061   Standard_EXPORT bool Value(const math_Vector& X, math_Vector& F) override;
0062
0063   Standard_EXPORT bool Derivatives(const math_Vector& X, math_Matrix& D) override;
0064
0065   Standard_EXPORT bool Values(const math_Vector& X, math_Vector& F, math_Matrix& D) override;
0066
0067   double Root() const;
0068
0069   //! Returns the value Tol so that if std::abs(Func.Root())<Tol
0070   //! the function is considered null.
0071   double Tolerance() const;
0072
0073   const gp_Pnt& Point() const;
0074
0075   Standard_EXPORT bool IsTangent();
0076
0077   const gp_Vec& Direction3d();
0078
0079   const gp_Dir2d& Direction2d();
0080
0081   const BRepAdaptor_Surface& PSurface() const;
0082
0083   const IntSurf_Quadric& ISurface() const;
0084
0085 private:
0086   void*    surf;
0087   void*    func;
0088   double   u;
0089   double   v;
0090   double   tol;
0091   gp_Pnt   pntsol;
0092   double   valf;
0093   bool     computed;
0094   bool     tangent;
0095   double   tgdu;
0096   double   tgdv;
0097   gp_Vec   gradient;
0098   bool     derived;
0099   gp_Vec   d1u;
0100   gp_Vec   d1v;
0101   gp_Vec   d3d;
0102   gp_Dir2d d2d;
0103 };
0104
0105 #define ThePSurface BRepAdaptor_Surface
0106 #define ThePSurface_hxx <BRepAdaptor_Surface.hxx>
0107 #define ThePSurfaceTool BRepApprox_SurfaceTool
0108 #define ThePSurfaceTool_hxx <BRepApprox_SurfaceTool.hxx>
0109 #define TheISurface IntSurf_Quadric
0110 #define TheISurface_hxx <IntSurf_Quadric.hxx>
0111 #define TheISurfaceTool IntSurf_QuadricTool
0112 #define TheISurfaceTool_hxx <IntSurf_QuadricTool.hxx>
0113 #define IntImp_ZerImpFunc BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox
0114 #define IntImp_ZerImpFunc_hxx <BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox.hxx>
0115
0116 #include <IntImp_ZerImpFunc.lxx>
0117
0118 #undef ThePSurface
0119 #undef ThePSurface_hxx
0120 #undef ThePSurfaceTool
0121 #undef ThePSurfaceTool_hxx
0122 #undef TheISurface
0123 #undef TheISurface_hxx
0124 #undef TheISurfaceTool
0125 #undef TheISurfaceTool_hxx
0126 #undef IntImp_ZerImpFunc
0127 #undef IntImp_ZerImpFunc_hxx
0128
0129 #endif // _BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox_HeaderFile