include/opencascade/Contap_ArcFunction.hxx

0001 // Created on: 1993-06-03
0002 // Created by: Jacques GOUSSARD
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 _Contap_ArcFunction_HeaderFile
0018 #define _Contap_ArcFunction_HeaderFile
0019
0020 #include <Adaptor2d_Curve2d.hxx>
0021 #include <Adaptor3d_Surface.hxx>
0022 #include <Contap_TFunction.hxx>
0023 #include <gp_Dir.hxx>
0024 #include <gp_Pnt.hxx>
0025 #include <TColgp_SequenceOfPnt.hxx>
0026 #include <IntSurf_Quadric.hxx>
0027 #include <math_FunctionWithDerivative.hxx>
0028
0029 class Contap_ArcFunction  : public math_FunctionWithDerivative
0030 {
0031 public:
0032
0033   DEFINE_STANDARD_ALLOC
0034
0035
0036   Standard_EXPORT Contap_ArcFunction();
0037
0038   Standard_EXPORT void Set (const Handle(Adaptor3d_Surface)& S);
0039
0040     void Set (const gp_Dir& Direction);
0041
0042     void Set (const gp_Dir& Direction, const Standard_Real Angle);
0043
0044     void Set (const gp_Pnt& Eye);
0045
0046     void Set (const gp_Pnt& Eye, const Standard_Real Angle);
0047
0048     void Set (const Handle(Adaptor2d_Curve2d)& A);
0049
0050   Standard_EXPORT Standard_Boolean Value (const Standard_Real X, Standard_Real& F) Standard_OVERRIDE;
0051
0052   Standard_EXPORT Standard_Boolean Derivative (const Standard_Real X, Standard_Real& D) Standard_OVERRIDE;
0053
0054   Standard_EXPORT Standard_Boolean Values (const Standard_Real X, Standard_Real& F, Standard_Real& D) Standard_OVERRIDE;
0055
0056   Standard_EXPORT Standard_Integer NbSamples() const;
0057
0058   Standard_EXPORT virtual Standard_Integer GetStateNumber() Standard_OVERRIDE;
0059
0060     const gp_Pnt& Valpoint (const Standard_Integer Index) const;
0061
0062   Standard_EXPORT const IntSurf_Quadric& Quadric() const;
0063
0064   //! Returns mySurf field
0065   const Handle(Adaptor3d_Surface)& Surface() const;
0066
0067   //! Returns the point, which has been computed
0068   //! while the last calling Value() method
0069   const gp_Pnt& LastComputedPoint() const;
0070
0071
0072 protected:
0073
0074
0075
0076
0077
0078 private:
0079
0080
0081
0082   Handle(Adaptor2d_Curve2d) myArc;
0083   Handle(Adaptor3d_Surface) mySurf;
0084   Standard_Real myMean;
0085   Contap_TFunction myType;
0086   gp_Dir myDir;
0087   Standard_Real myCosAng;
0088   gp_Pnt myEye;
0089   gp_Pnt solpt;
0090   TColgp_SequenceOfPnt seqpt;
0091   IntSurf_Quadric myQuad;
0092
0093
0094 };
0095
0096
0097 #include <Contap_ArcFunction.lxx>
0098
0099
0100
0101
0102
0103 #endif // _Contap_ArcFunction_HeaderFile