--- /dev/null
+// 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 <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <gp_Pnt.hxx>
+#include <gp_Pnt2d.hxx>
+#include <Standard_Real.hxx>
+#include <Standard_Boolean.hxx>
+#include <gp_Vec.hxx>
+#include <gp_Vec2d.hxx>
+#include <Standard_Integer.hxx>
+#include <BlendFunc_SectionShape.hxx>
+#include <Convert_ParameterisationType.hxx>
+#include <Blend_CSFunction.hxx>
+#include <math_Vector.hxx>
+#include <TColgp_Array1OfPnt.hxx>
+#include <TColgp_Array1OfVec.hxx>
+#include <TColgp_Array1OfPnt2d.hxx>
+#include <TColgp_Array1OfVec2d.hxx>
+#include <TColStd_Array1OfReal.hxx>
+#include <GeomAbs_Shape.hxx>
+#include <TColStd_Array1OfInteger.hxx>
+class Adaptor3d_HSurface;
+class Adaptor3d_HCurve;
+class Law_Function;
+class math_Matrix;
+class gp_Pnt;
+class gp_Pnt2d;
+class gp_Vec;
+class gp_Vec2d;
+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 <C> and a surface <S>. The direction of
+ //! the planes are given by <CGuide>. The position of
+ //! the plane is determined on the curve <C>. <L>
+ //! defines the change of parameter between <C> and
+ //! <CGuide>. 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_HSurface)& S, const Handle(Adaptor3d_HCurve)& C, const Handle(Adaptor3d_HCurve)& 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;
+
+ //! computes the values <F> of the Functions for the
+ //! variable <X>.
+ //! 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 <D> of the derivatives for the
+ //! variable <X>.
+ //! 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 <F> of the functions and the derivatives
+ //! <D> for the variable <X>.
+ //! 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 Standard_Real Param);
+
+ 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);
+
+ Standard_EXPORT const gp_Pnt& PointOnS() const;
+
+ Standard_EXPORT const gp_Pnt& PointOnC() const;
+
+ //! Returns U,V coordinates of the point on the surface.
+ Standard_EXPORT const gp_Pnt2d& Pnt2d() const;
+
+ //! Returns parameter of the point on the curve.
+ Standard_EXPORT Standard_Real ParameterOnC() const;
+
+ Standard_EXPORT Standard_Boolean IsTangencyPoint() const;
+
+ Standard_EXPORT const gp_Vec& TangentOnS() const;
+
+ Standard_EXPORT const gp_Vec2d& Tangent2d() const;
+
+ Standard_EXPORT const gp_Vec& TangentOnC() const;
+
+ //! 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_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;
+
+ //! 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
+ //! <S>. May be one if Continuity(me) >= <S>
+ Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const;
+
+ //! Stores in <T> the parameters bounding the intervals
+ //! of continuity <S>.
+ //!
+ //! The array must provide enough room to accomodate
+ //! 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_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);
+
+ 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_HCurve) curv;
+ Handle(Adaptor3d_HCurve) 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
projects / occt.git / blobdiff