// Created on: 1997-11-20 // Created by: Philippe MANGIN // Copyright (c) 1997-1999 Matra Datavision // Copyright (c) 1999-2014 OPEN CASCADE SAS // // This file is part of Open CASCADE Technology software library. // // This library is free software; you can redistribute it and/or modify it under // the terms of the GNU Lesser General Public License version 2.1 as published // by the Free Software Foundation, with special exception defined in the file // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT // distribution for complete text of the license and disclaimer of any warranty. // // Alternatively, this file may be used under the terms of Open CASCADE // commercial license or contractual agreement. #ifndef _GeomFill_LocationLaw_HeaderFile #define _GeomFill_LocationLaw_HeaderFile #include "Adaptor3d_Curve.hxx" #include "GeomAbs_Shape.hxx" #include "GeomFill_PipeError.hxx" #include "gp_Pnt2d.hxx" #include "NCollection_Array1.hxx" #include "gp_Vec2d.hxx" class gp_Mat; class gp_Vec; class gp_Pnt; //! To define location law in Sweeping location is //! defined by an Matrix M and an Vector V, and //! transform an point P in MP+V. class GeomFill_LocationLaw : public Standard_Transient { public: //! initialize curve of location law Standard_EXPORT virtual bool SetCurve(const occ::handle& C) = 0; Standard_EXPORT virtual const occ::handle& GetCurve() const = 0; //! Set a transformation Matrix like the law M(t) become //! Mat * M(t) Standard_EXPORT virtual void SetTrsf(const gp_Mat& Transfo) = 0; Standard_EXPORT virtual occ::handle Copy() const = 0; //! compute Location Standard_EXPORT virtual bool D0(const double Param, gp_Mat& M, gp_Vec& V) = 0; //! compute Location and 2d points Standard_EXPORT virtual bool D0(const double Param, gp_Mat& M, gp_Vec& V, NCollection_Array1& Poles2d) = 0; //! compute location 2d points and associated //! first derivatives. //! Warning: It used only for C1 or C2 approximation Standard_EXPORT virtual bool D1(const double Param, gp_Mat& M, gp_Vec& V, gp_Mat& DM, gp_Vec& DV, NCollection_Array1& Poles2d, NCollection_Array1& DPoles2d); //! compute location 2d points and associated //! first and second derivatives. //! Warning: It used only for C2 approximation Standard_EXPORT virtual bool D2(const double Param, gp_Mat& M, gp_Vec& V, gp_Mat& DM, gp_Vec& DV, gp_Mat& D2M, gp_Vec& D2V, NCollection_Array1& Poles2d, NCollection_Array1& DPoles2d, NCollection_Array1& D2Poles2d); //! get the number of 2d curves (Restrictions + Traces) //! to approximate. Standard_EXPORT int Nb2dCurves() const; //! Say if the first restriction is defined in this class. //! If it is true the first element of poles array in //! D0,D1,D2... Correspond to this restriction. //! Returns false (default implementation) Standard_EXPORT virtual bool HasFirstRestriction() const; //! Say if the last restriction is defined in this class. //! If it is true the last element of poles array in //! D0,D1,D2... Correspond to this restriction. //! Returns false (default implementation) Standard_EXPORT virtual bool HasLastRestriction() const; //! Give the number of trace (Curves 2d which are not restriction) //! Returns 0 (default implementation) Standard_EXPORT virtual int TraceNumber() const; //! Give a status to the Law //! Returns PipeOk (default implementation) Standard_EXPORT virtual GeomFill_PipeError ErrorStatus() const; //! Returns the number of intervals for continuity . //! May be one if Continuity(me) >= Standard_EXPORT virtual int NbIntervals(const GeomAbs_Shape S) const = 0; //! Stores in the parameters bounding the intervals //! of continuity . //! //! The array must provide enough room to accommodate //! for the parameters. i.e. T.Length() > NbIntervals() Standard_EXPORT virtual void Intervals(NCollection_Array1& T, const GeomAbs_Shape S) const = 0; //! Sets the bounds of the parametric interval on //! the function //! This determines the derivatives in these values if the //! function is not Cn. Standard_EXPORT virtual void SetInterval(const double First, const double Last) = 0; //! Gets the bounds of the parametric interval on //! the function Standard_EXPORT virtual void GetInterval(double& First, double& Last) const = 0; //! Gets the bounds of the function parametric domain. //! Warning: This domain it is not modified by the //! SetValue method Standard_EXPORT virtual void GetDomain(double& First, double& Last) const = 0; //! Returns the resolutions in the sub-space 2d //! This information is useful to find a good tolerance in //! 2d approximation. Standard_EXPORT virtual void Resolution(const int Index, const double Tol, double& TolU, double& TolV) const; //! Is useful, if (me) have to run numerical //! algorithm to perform D0, D1 or D2 //! The default implementation make nothing. Standard_EXPORT virtual void SetTolerance(const double Tol3d, const double Tol2d); //! Get the maximum Norm of the matrix-location part. It //! is usful to find a good Tolerance to approx M(t). Standard_EXPORT virtual double GetMaximalNorm() = 0; //! Get average value of M(t) and V(t) it is useful to //! make fast approximation of rational surfaces. Standard_EXPORT virtual void GetAverageLaw(gp_Mat& AM, gp_Vec& AV) = 0; //! Say if the Location Law, is an translation of Location //! The default implementation is " returns False ". Standard_EXPORT virtual bool IsTranslation(double& Error) const; //! Say if the Location Law, is a rotation of Location //! The default implementation is " returns False ". Standard_EXPORT virtual bool IsRotation(double& Error) const; Standard_EXPORT virtual void Rotation(gp_Pnt& Center) const; DEFINE_STANDARD_RTTIEXT(GeomFill_LocationLaw, Standard_Transient) }; #endif // _GeomFill_LocationLaw_HeaderFile