// Created on: 1997-02-06 // Created by: Laurent BOURESCHE // 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 _BRepBlend_SurfRstConstRad_HeaderFile #define _BRepBlend_SurfRstConstRad_HeaderFile #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include class Adaptor3d_HSurface; class Adaptor2d_HCurve2d; class Adaptor3d_HCurve; class math_Matrix; class gp_Pnt; class gp_Pnt2d; class gp_Vec; class gp_Vec2d; class gp_Circ; class Blend_Point; //! Copy of CSConstRad with pcurve on surface //! as support. class BRepBlend_SurfRstConstRad : public Blend_SurfRstFunction { public: DEFINE_STANDARD_ALLOC Standard_EXPORT BRepBlend_SurfRstConstRad(const Handle(Adaptor3d_HSurface)& Surf, const Handle(Adaptor3d_HSurface)& SurfRst, const Handle(Adaptor2d_HCurve2d)& Rst, const Handle(Adaptor3d_HCurve)& CGuide); //! Returns 3. Standard_EXPORT Standard_Integer NbVariables() const; //! Returns 3. Standard_EXPORT Standard_Integer NbEquations() const; //! 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); //! 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); //! 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_EXPORT void Set (const Handle(Adaptor3d_HSurface)& SurfRef, const Handle(Adaptor2d_HCurve2d)& RstRef); Standard_EXPORT void Set (const Standard_Real Param); //! Sets the bounds of the parametric interval on //! the guide line. //! This determines the derivatives in these values if the //! function is not Cn. Standard_EXPORT void Set (const Standard_Real First, const Standard_Real Last); Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const; Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const; Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol); //! Returns the minimal Distance beetween two //! extremitys of calculed sections. Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE; Standard_EXPORT const gp_Pnt& PointOnS() const; Standard_EXPORT const gp_Pnt& PointOnRst() const; //! Returns U,V coordinates of the point on the surface. Standard_EXPORT const gp_Pnt2d& Pnt2dOnS() const; //! Returns U,V coordinates of the point on the curve on //! surface. Standard_EXPORT const gp_Pnt2d& Pnt2dOnRst() const; //! Returns parameter of the point on the curve. Standard_EXPORT Standard_Real ParameterOnRst() const; Standard_EXPORT Standard_Boolean IsTangencyPoint() const; Standard_EXPORT const gp_Vec& TangentOnS() const; Standard_EXPORT const gp_Vec2d& Tangent2dOnS() const; Standard_EXPORT const gp_Vec& TangentOnRst() const; Standard_EXPORT const gp_Vec2d& Tangent2dOnRst() const; //! Enables implementation of a criterion of decrochage //! specific to the function. //! Warning: Can be called without previous call of issolution //! but the values calculated can be senseless. Standard_EXPORT Standard_Boolean Decroch (const math_Vector& Sol, gp_Vec& NS, gp_Vec& TgS) const; 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); //! Returns if the section is rationnal Standard_EXPORT Standard_Boolean IsRational() const; //! Returns the length of the maximum section Standard_EXPORT Standard_Real GetSectionSize() const; //! Compute the minimal value of weight for each poles //! of all sections. Standard_EXPORT void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const; //! Returns the number of intervals for continuity //! . May be one if Continuity(me) >= Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const; //! Stores in the parameters bounding the intervals //! of continuity . //! The array must provide enough room to accomodate //! for the parameters. i.e. T.Length() > NbIntervals() Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const; Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d); //! 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_EXPORT void Knots (TColStd_Array1OfReal& TKnots); Standard_EXPORT void Mults (TColStd_Array1OfInteger& TMults); //! 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); //! Used for the first and last section //! The method returns Standard_True if the derivatives //! are computed, otherwise it returns Standard_False. Standard_EXPORT 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_EXPORT void Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths); Standard_EXPORT void Resolution (const Standard_Integer IC2d, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const; protected: private: Handle(Adaptor3d_HSurface) surf; Handle(Adaptor3d_HSurface) surfrst; Handle(Adaptor2d_HCurve2d) rst; Adaptor3d_CurveOnSurface cons; Handle(Adaptor3d_HCurve) guide; Handle(Adaptor3d_HCurve) tguide; gp_Pnt pts; gp_Pnt ptrst; gp_Pnt2d pt2ds; gp_Pnt2d pt2drst; Standard_Real prmrst; Standard_Boolean istangent; gp_Vec tgs; gp_Vec2d tg2ds; gp_Vec tgrst; gp_Vec2d tg2drst; Standard_Real ray; Standard_Integer choix; gp_Pnt ptgui; gp_Vec d1gui; gp_Vec d2gui; gp_Vec nplan; Standard_Real normtg; Standard_Real theD; Handle(Adaptor3d_HSurface) surfref; Handle(Adaptor2d_HCurve2d) rstref; Standard_Real maxang; Standard_Real minang; Standard_Real distmin; BlendFunc_SectionShape mySShape; Convert_ParameterisationType myTConv; }; #endif // _BRepBlend_SurfRstConstRad_HeaderFile