// Created on: 1995-01-04 // Created by: Jacques GOUSSARD // Copyright (c) 1995-1999 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 _BlendFunc_CSCircular_HeaderFile #define _BlendFunc_CSCircular_HeaderFile #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include class Law_Function; class math_Matrix; class gp_Circ; class Blend_Point; class BlendFunc_CSCircular : public Blend_CSFunction { public: DEFINE_STANDARD_ALLOC //! Creates a function for a circular blending between //! a curve and a surface . The direction of //! the planes are given by . The position of //! the plane is determined on the curve . //! defines the change of parameter between and //! . So, the planes are defined as described //! below : //! t is the current parameter on the guide line. //! Pguide = C(L(t)); Nguide = CGuide'(t)/||CGuide'(t)|| Standard_EXPORT BlendFunc_CSCircular(const Handle(Adaptor3d_Surface)& S, const Handle(Adaptor3d_Curve)& C, const Handle(Adaptor3d_Curve)& CGuide, const Handle(Law_Function)& L); Standard_EXPORT virtual Standard_Integer NbVariables() const Standard_OVERRIDE; //! returns the number of equations of the function (3). Standard_EXPORT Standard_Integer NbEquations() const Standard_OVERRIDE; //! computes the values of the Functions for the //! variable . //! Returns True if the computation was done successfully, //! False otherwise. Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F) Standard_OVERRIDE; //! returns the values of the derivatives for the //! variable . //! Returns True if the computation was done successfully, //! False otherwise. Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D) Standard_OVERRIDE; //! returns the values of the functions and the derivatives //! for the variable . //! Returns True if the computation was done successfully, //! False otherwise. Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D) Standard_OVERRIDE; Standard_EXPORT void Set (const Standard_Real Param) Standard_OVERRIDE; Standard_EXPORT void Set (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE; Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const Standard_OVERRIDE; Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE; Standard_EXPORT const gp_Pnt& PointOnS() const Standard_OVERRIDE; Standard_EXPORT const gp_Pnt& PointOnC() const Standard_OVERRIDE; //! Returns U,V coordinates of the point on the surface. Standard_EXPORT const gp_Pnt2d& Pnt2d() const Standard_OVERRIDE; //! Returns parameter of the point on the curve. Standard_EXPORT Standard_Real ParameterOnC() const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsTangencyPoint() const Standard_OVERRIDE; Standard_EXPORT const gp_Vec& TangentOnS() const Standard_OVERRIDE; Standard_EXPORT const gp_Vec2d& Tangent2d() const Standard_OVERRIDE; Standard_EXPORT const gp_Vec& TangentOnC() const Standard_OVERRIDE; //! Returns the tangent vector at the section, //! at the beginning and the end of the section, and //! returns the normal (of the surface) at //! these points. Standard_EXPORT void Tangent (const Standard_Real U, const Standard_Real V, gp_Vec& TgS, gp_Vec& NormS) const Standard_OVERRIDE; Standard_EXPORT void Set (const Standard_Real Radius, const Standard_Integer Choix); //! Sets the type of section generation for the //! approximations. Standard_EXPORT void Set (const BlendFunc_SectionShape TypeSection); Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C); //! Used for the first and last section //! The method returns Standard_True if the derivatives //! are computed, otherwise it returns Standard_False. Standard_EXPORT virtual Standard_Boolean Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfVec& D2Poles, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d, TColgp_Array1OfVec2d& D2Poles2d, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths, TColStd_Array1OfReal& D2Weigths) Standard_OVERRIDE; Standard_EXPORT Standard_Boolean GetSection (const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W, TColgp_Array1OfPnt& tabP, TColgp_Array1OfVec& tabV); //! Returns if the section is rationnal Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE; //! Returns the length of the maximum section Standard_EXPORT Standard_Real GetSectionSize() const Standard_OVERRIDE; //! Compute the minimal value of weight for each poles //! of all sections. Standard_EXPORT void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE; //! Returns the number of intervals for continuity //! . May be one if Continuity(me) >= Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE; //! 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() //! raises //! OutOfRange from Standard Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE; Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE; //! Returns the tolerance to reach in approximation //! to respecte //! BoundTol error at the Boundary //! AngleTol tangent error at the Boundary //! SurfTol error inside the surface. Standard_EXPORT void GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, math_Vector& Tol3d, math_Vector& Tol1D) const Standard_OVERRIDE; Standard_EXPORT void Knots (TColStd_Array1OfReal& TKnots) Standard_OVERRIDE; Standard_EXPORT void Mults (TColStd_Array1OfInteger& TMults) Standard_OVERRIDE; //! Used for the first and last section Standard_EXPORT Standard_Boolean Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths) Standard_OVERRIDE; Standard_EXPORT void Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths) Standard_OVERRIDE; Standard_EXPORT void Resolution (const Standard_Integer IC2d, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const Standard_OVERRIDE; protected: private: Handle(Adaptor3d_Surface) surf; Handle(Adaptor3d_Curve) curv; Handle(Adaptor3d_Curve) guide; Handle(Law_Function) law; gp_Pnt pts; gp_Pnt ptc; gp_Pnt2d pt2d; Standard_Real prmc; Standard_Real dprmc; Standard_Boolean istangent; gp_Vec tgs; gp_Vec2d tg2d; gp_Vec tgc; Standard_Real ray; Standard_Integer choix; gp_Vec d1gui; gp_Vec d2gui; gp_Vec nplan; Standard_Real normtg; Standard_Real maxang; Standard_Real minang; BlendFunc_SectionShape mySShape; Convert_ParameterisationType myTConv; }; #endif // _BlendFunc_CSCircular_HeaderFile