include/opencascade/IntPatch_TheSurfFunction.hxx

0001 // Created on: 1992-05-06
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 _IntPatch_TheSurfFunction_HeaderFile
0018 #define _IntPatch_TheSurfFunction_HeaderFile
0019
0020 #include <Adaptor3d_Surface.hxx>
0021 #include <gp_Pnt.hxx>
0022 #include <gp_Vec.hxx>
0023 #include <gp_Dir2d.hxx>
0024 #include <math_FunctionSetWithDerivatives.hxx>
0025 #include <math_Vector.hxx>
0026
0027 class Adaptor3d_HSurfaceTool;
0028 class IntSurf_Quadric;
0029 class IntSurf_QuadricTool;
0030 class math_Matrix;
0031
0032 class IntPatch_TheSurfFunction  : public math_FunctionSetWithDerivatives
0033 {
0034 public:
0035
0036   DEFINE_STANDARD_ALLOC
0037
0038
0039   Standard_EXPORT IntPatch_TheSurfFunction();
0040
0041   Standard_EXPORT IntPatch_TheSurfFunction(const Handle(Adaptor3d_Surface)& PS, const IntSurf_Quadric& IS);
0042
0043   Standard_EXPORT IntPatch_TheSurfFunction(const IntSurf_Quadric& IS);
0044
0045     void Set (const Handle(Adaptor3d_Surface)& PS);
0046
0047     void SetImplicitSurface (const IntSurf_Quadric& IS);
0048
0049     void Set (const Standard_Real Tolerance);
0050
0051   Standard_EXPORT Standard_Integer NbVariables() const;
0052
0053   Standard_EXPORT Standard_Integer NbEquations() const;
0054
0055   Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
0056
0057   Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
0058
0059   Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
0060
0061     Standard_Real Root() const;
0062
0063   //! Returns the value Tol so that if Abs(Func.Root())<Tol
0064   //! the function is considered null.
0065     Standard_Real Tolerance() const;
0066
0067     const gp_Pnt& Point() const;
0068
0069   Standard_EXPORT Standard_Boolean IsTangent();
0070
0071     const gp_Vec& Direction3d();
0072
0073     const gp_Dir2d& Direction2d();
0074
0075     const Handle(Adaptor3d_Surface)& PSurface() const;
0076
0077     const IntSurf_Quadric& ISurface() const;
0078
0079
0080
0081
0082 protected:
0083
0084
0085
0086
0087
0088 private:
0089
0090
0091
0092   Standard_Address surf;
0093   Standard_Address func;
0094   Standard_Real u;
0095   Standard_Real v;
0096   Standard_Real tol;
0097   gp_Pnt pntsol;
0098   Standard_Real valf;
0099   Standard_Boolean computed;
0100   Standard_Boolean tangent;
0101   Standard_Real tgdu;
0102   Standard_Real tgdv;
0103   gp_Vec gradient;
0104   Standard_Boolean derived;
0105   gp_Vec d1u;
0106   gp_Vec d1v;
0107   gp_Vec d3d;
0108   gp_Dir2d d2d;
0109
0110
0111 };
0112
0113 #define ThePSurface Handle(Adaptor3d_Surface)
0114 #define ThePSurface_hxx <Adaptor3d_Surface.hxx>
0115 #define ThePSurfaceTool Adaptor3d_HSurfaceTool
0116 #define ThePSurfaceTool_hxx <Adaptor3d_HSurfaceTool.hxx>
0117 #define TheISurface IntSurf_Quadric
0118 #define TheISurface_hxx <IntSurf_Quadric.hxx>
0119 #define TheISurfaceTool IntSurf_QuadricTool
0120 #define TheISurfaceTool_hxx <IntSurf_QuadricTool.hxx>
0121 #define IntImp_ZerImpFunc IntPatch_TheSurfFunction
0122 #define IntImp_ZerImpFunc_hxx <IntPatch_TheSurfFunction.hxx>
0123
0124 #include <IntImp_ZerImpFunc.lxx>
0125
0126 #undef ThePSurface
0127 #undef ThePSurface_hxx
0128 #undef ThePSurfaceTool
0129 #undef ThePSurfaceTool_hxx
0130 #undef TheISurface
0131 #undef TheISurface_hxx
0132 #undef TheISurfaceTool
0133 #undef TheISurfaceTool_hxx
0134 #undef IntImp_ZerImpFunc
0135 #undef IntImp_ZerImpFunc_hxx
0136
0137
0138
0139
0140 #endif // _IntPatch_TheSurfFunction_HeaderFile