// 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_RstRstConstRad_HeaderFile #define _BRepBlend_RstRstConstRad_HeaderFile #include "Adaptor3d_Surface.hxx" #include "Adaptor3d_CurveOnSurface.hxx" #include "gp_Pnt.hxx" #include "gp_Pnt2d.hxx" #include "gp_Vec.hxx" #include "gp_Vec2d.hxx" #include "BlendFunc_SectionShape.hxx" #include "Convert_ParameterisationType.hxx" #include "Blend_RstRstFunction.hxx" #include "math_Vector.hxx" #include "Blend_DecrochStatus.hxx" #include "NCollection_Array1.hxx" #include "GeomAbs_Shape.hxx" #include "Standard_Integer.hxx" class math_Matrix; class gp_Circ; class Blend_Point; //! Copy of CSConstRad with a pcurve on surface //! as support. class BRepBlend_RstRstConstRad : public Blend_RstRstFunction { public: DEFINE_STANDARD_ALLOC Standard_EXPORT BRepBlend_RstRstConstRad(const occ::handle& Surf1, const occ::handle& Rst1, const occ::handle& Surf2, const occ::handle& Rst2, const occ::handle& CGuide); //! Returns 2. Standard_EXPORT int NbVariables() const override; //! Returns 2. Standard_EXPORT int NbEquations() const override; //! computes the values of the Functions for the //! variable . //! Returns True if the computation was done successfully, //! False otherwise. Standard_EXPORT bool Value(const math_Vector& X, math_Vector& F) override; //! returns the values of the derivatives for the //! variable . //! Returns True if the computation was done successfully, //! False otherwise. Standard_EXPORT bool Derivatives(const math_Vector& X, math_Matrix& D) 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 bool Values(const math_Vector& X, math_Vector& F, math_Matrix& D) override; Standard_EXPORT void Set(const occ::handle& SurfRef1, const occ::handle& RstRef1, const occ::handle& SurfRef2, const occ::handle& RstRef2); Standard_EXPORT void Set(const double Param) override; //! 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 double First, const double Last) override; Standard_EXPORT void GetTolerance(math_Vector& Tolerance, const double Tol) const override; Standard_EXPORT void GetBounds(math_Vector& InfBound, math_Vector& SupBound) const override; Standard_EXPORT bool IsSolution(const math_Vector& Sol, const double Tol) override; //! Returns the minimal Distance between two //! extremities of calculated sections. Standard_EXPORT double GetMinimalDistance() const override; Standard_EXPORT const gp_Pnt& PointOnRst1() const override; Standard_EXPORT const gp_Pnt& PointOnRst2() const override; //! Returns U,V coordinates of the point on the surface. Standard_EXPORT const gp_Pnt2d& Pnt2dOnRst1() const override; //! Returns U,V coordinates of the point on the curve on //! surface. Standard_EXPORT const gp_Pnt2d& Pnt2dOnRst2() const override; //! Returns parameter of the point on the curve. Standard_EXPORT double ParameterOnRst1() const override; //! Returns parameter of the point on the curve. Standard_EXPORT double ParameterOnRst2() const override; Standard_EXPORT bool IsTangencyPoint() const override; Standard_EXPORT const gp_Vec& TangentOnRst1() const override; Standard_EXPORT const gp_Vec2d& Tangent2dOnRst1() const override; Standard_EXPORT const gp_Vec& TangentOnRst2() const override; Standard_EXPORT const gp_Vec2d& Tangent2dOnRst2() const override; //! Allows implementing a specific termination criterion //! for the function. Standard_EXPORT Blend_DecrochStatus Decroch(const math_Vector& Sol, gp_Vec& NRst1, gp_Vec& TgRst1, gp_Vec& NRst2, gp_Vec& TgRst2) const override; Standard_EXPORT void Set(const double Radius, const int Choix); //! Sets the type of section generation for the //! approximations. Standard_EXPORT void Set(const BlendFunc_SectionShape TypeSection); //! Give the center of circle define by PtRst1, PtRst2 and //! radius ray. Standard_EXPORT bool CenterCircleRst1Rst2(const gp_Pnt& PtRst1, const gp_Pnt& PtRst2, const gp_Vec& np, gp_Pnt& Center, gp_Vec& VdMed) const; Standard_EXPORT void Section(const double Param, const double U, const double V, double& Pdeb, double& Pfin, gp_Circ& C); //! Returns if the section is rational Standard_EXPORT bool IsRational() const override; //! Returns the length of the maximum section Standard_EXPORT double GetSectionSize() const override; //! Compute the minimal value of weight for each poles //! of all sections. Standard_EXPORT void GetMinimalWeight(NCollection_Array1& Weigths) const override; //! Returns the number of intervals for continuity //! . May be one if Continuity(me) >= Standard_EXPORT int NbIntervals(const GeomAbs_Shape S) const 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() Standard_EXPORT void Intervals(NCollection_Array1& T, const GeomAbs_Shape S) const override; Standard_EXPORT void GetShape(int& NbPoles, int& NbKnots, int& Degree, int& NbPoles2d) override; //! Returns the tolerance to reach in approximation //! to respect //! BoundTol error at the Boundary //! AngleTol tangent error at the Boundary //! SurfTol error inside the surface. Standard_EXPORT void GetTolerance(const double BoundTol, const double SurfTol, const double AngleTol, math_Vector& Tol3d, math_Vector& Tol1D) const override; Standard_EXPORT void Knots(NCollection_Array1& TKnots) override; Standard_EXPORT void Mults(NCollection_Array1& TMults) override; //! Used for the first and last section Standard_EXPORT bool Section(const Blend_Point& P, NCollection_Array1& Poles, NCollection_Array1& DPoles, NCollection_Array1& Poles2d, NCollection_Array1& DPoles2d, NCollection_Array1& Weigths, NCollection_Array1& DWeigths) override; Standard_EXPORT void Section(const Blend_Point& P, NCollection_Array1& Poles, NCollection_Array1& Poles2d, NCollection_Array1& Weigths) override; //! Used for the first and last section //! The method returns true if the derivatives //! are computed, otherwise it returns false. Standard_EXPORT bool Section(const Blend_Point& P, NCollection_Array1& Poles, NCollection_Array1& DPoles, NCollection_Array1& D2Poles, NCollection_Array1& Poles2d, NCollection_Array1& DPoles2d, NCollection_Array1& D2Poles2d, NCollection_Array1& Weigths, NCollection_Array1& DWeigths, NCollection_Array1& D2Weigths) override; Standard_EXPORT void Resolution(const int IC2d, const double Tol, double& TolU, double& TolV) const override; private: occ::handle surf1; occ::handle surf2; occ::handle rst1; occ::handle rst2; Adaptor3d_CurveOnSurface cons1; Adaptor3d_CurveOnSurface cons2; occ::handle guide; occ::handle tguide; gp_Pnt ptrst1; gp_Pnt ptrst2; gp_Pnt2d pt2drst1; gp_Pnt2d pt2drst2; double prmrst1; double prmrst2; bool istangent; gp_Vec tgrst1; gp_Vec2d tg2drst1; gp_Vec tgrst2; gp_Vec2d tg2drst2; double ray; int choix; gp_Pnt ptgui; gp_Vec d1gui; gp_Vec d2gui; gp_Vec nplan; double normtg; double theD; occ::handle surfref1; occ::handle rstref1; occ::handle surfref2; occ::handle rstref2; double maxang; double minang; double distmin; BlendFunc_SectionShape mySShape; Convert_ParameterisationType myTConv; }; #endif // _BRepBlend_RstRstConstRad_HeaderFile