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
0039
0040 class BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox  : public math_FunctionSetWithDerivatives
0041 {
0042 public:
0043
0044   DEFINE_STANDARD_ALLOC
0045
0046
0047   Standard_EXPORT BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox();
0048
0049   Standard_EXPORT BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox(const BRepAdaptor_Surface& PS, const IntSurf_Quadric& IS);
0050
0051   Standard_EXPORT BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox(const IntSurf_Quadric& IS);
0052
0053     void Set (const BRepAdaptor_Surface& PS);
0054
0055     void SetImplicitSurface (const IntSurf_Quadric& IS);
0056
0057     void Set (const Standard_Real Tolerance);
0058
0059   Standard_EXPORT Standard_Integer NbVariables() const;
0060
0061   Standard_EXPORT Standard_Integer NbEquations() const;
0062
0063   Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
0064
0065   Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
0066
0067   Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
0068
0069     Standard_Real Root() const;
0070
0071   //! Returns the value Tol so that if Abs(Func.Root())<Tol
0072   //! the function is considered null.
0073     Standard_Real Tolerance() const;
0074
0075     const gp_Pnt& Point() const;
0076
0077   Standard_EXPORT Standard_Boolean IsTangent();
0078
0079     const gp_Vec& Direction3d();
0080
0081     const gp_Dir2d& Direction2d();
0082
0083     const BRepAdaptor_Surface& PSurface() const;
0084
0085     const IntSurf_Quadric& ISurface() const;
0086
0087
0088
0089
0090 protected:
0091
0092
0093
0094
0095
0096 private:
0097
0098
0099
0100   Standard_Address surf;
0101   Standard_Address func;
0102   Standard_Real u;
0103   Standard_Real v;
0104   Standard_Real tol;
0105   gp_Pnt pntsol;
0106   Standard_Real valf;
0107   Standard_Boolean computed;
0108   Standard_Boolean tangent;
0109   Standard_Real tgdu;
0110   Standard_Real tgdv;
0111   gp_Vec gradient;
0112   Standard_Boolean derived;
0113   gp_Vec d1u;
0114   gp_Vec d1v;
0115   gp_Vec d3d;
0116   gp_Dir2d d2d;
0117
0118
0119 };
0120
0121 #define ThePSurface BRepAdaptor_Surface
0122 #define ThePSurface_hxx <BRepAdaptor_Surface.hxx>
0123 #define ThePSurfaceTool BRepApprox_SurfaceTool
0124 #define ThePSurfaceTool_hxx <BRepApprox_SurfaceTool.hxx>
0125 #define TheISurface IntSurf_Quadric
0126 #define TheISurface_hxx <IntSurf_Quadric.hxx>
0127 #define TheISurfaceTool IntSurf_QuadricTool
0128 #define TheISurfaceTool_hxx <IntSurf_QuadricTool.hxx>
0129 #define IntImp_ZerImpFunc BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox
0130 #define IntImp_ZerImpFunc_hxx <BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox.hxx>
0131
0132 #include <IntImp_ZerImpFunc.lxx>
0133
0134 #undef ThePSurface
0135 #undef ThePSurface_hxx
0136 #undef ThePSurfaceTool
0137 #undef ThePSurfaceTool_hxx
0138 #undef TheISurface
0139 #undef TheISurface_hxx
0140 #undef TheISurfaceTool
0141 #undef TheISurfaceTool_hxx
0142 #undef IntImp_ZerImpFunc
0143 #undef IntImp_ZerImpFunc_hxx
0144
0145
0146
0147
0148 #endif // _BRepApprox_TheZerImpFuncOfTheImpPrmSvSurfacesOfApprox_HeaderFile