--- /dev/null
+// Created on: 1998-06-02
+// Created by: Philippe NOUAILLE
+// Copyright (c) 1998-1999 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_ChAsym_HeaderFile
+#define _BlendFunc_ChAsym_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <Standard_Real.hxx>
+#include <gp_Vec.hxx>
+#include <gp_Pnt.hxx>
+#include <math_Vector.hxx>
+#include <math_Matrix.hxx>
+#include <Standard_Boolean.hxx>
+#include <gp_Vec2d.hxx>
+#include <Standard_Integer.hxx>
+#include <Blend_Function.hxx>
+#include <TColStd_Array1OfReal.hxx>
+#include <GeomAbs_Shape.hxx>
+#include <TColStd_Array1OfInteger.hxx>
+#include <TColgp_Array1OfPnt.hxx>
+#include <TColgp_Array1OfPnt2d.hxx>
+#include <TColgp_Array1OfVec.hxx>
+#include <TColgp_Array1OfVec2d.hxx>
+class Adaptor3d_HSurface;
+class Adaptor3d_HCurve;
+class math_Matrix;
+class gp_Pnt;
+class gp_Vec;
+class gp_Vec2d;
+class gp_Lin;
+class Blend_Point;
+
+
+
+class BlendFunc_ChAsym : public Blend_Function
+{
+public:
+
+ DEFINE_STANDARD_ALLOC
+
+
+ Standard_EXPORT BlendFunc_ChAsym(const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_HCurve)& C);
+
+ //! returns the number of equations of the function.
+ Standard_EXPORT Standard_Integer NbEquations() const Standard_OVERRIDE;
+
+ 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);
+
+ //! Returns the minimal Distance beetween two
+ //! extremitys of calculed sections.
+ Standard_EXPORT Standard_Real GetMinimalDistance() const;
+
+ //! computes the values <F> of the derivatives for the
+ //! variable <X> between DegF and DegL.
+ //! Returns True if the computation was done successfully,
+ //! False otherwise.
+ Standard_EXPORT Standard_Boolean ComputeValues (const math_Vector& X, const Standard_Integer DegF, const Standard_Integer DegL);
+
+ //! 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) Standard_OVERRIDE;
+
+ //! 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) Standard_OVERRIDE;
+
+ //! 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_OVERRIDE;
+
+ Standard_EXPORT const gp_Pnt& PointOnS1() const;
+
+ Standard_EXPORT const gp_Pnt& PointOnS2() const;
+
+ Standard_EXPORT Standard_Boolean IsTangencyPoint() const;
+
+ Standard_EXPORT const gp_Vec& TangentOnS1() const;
+
+ Standard_EXPORT const gp_Vec2d& Tangent2dOnS1() const;
+
+ Standard_EXPORT const gp_Vec& TangentOnS2() const;
+
+ Standard_EXPORT const gp_Vec2d& Tangent2dOnS2() const;
+
+ Standard_EXPORT virtual Standard_Boolean TwistOnS1() const Standard_OVERRIDE;
+
+ Standard_EXPORT virtual Standard_Boolean TwistOnS2() 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 surfaces) at
+ //! these points.
+ Standard_EXPORT void Tangent (const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, gp_Vec& TgFirst, gp_Vec& TgLast, gp_Vec& NormFirst, gp_Vec& NormLast) const;
+
+ //! Utile pour une visu rapide et approximative de la surface.
+ Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Lin& 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
+ //! <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()
+ 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);
+
+ Standard_EXPORT void Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths);
+
+ //! Used for the first and last section
+ Standard_EXPORT virtual 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;
+
+ //! Used for the first and last section
+ 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 void Resolution (const Standard_Integer IC2d, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const;
+
+ //! Sets the distances and the angle.
+ Standard_EXPORT void Set (const Standard_Real Dist1, const Standard_Real Angle, const Standard_Integer Choix);
+
+
+
+
+protected:
+
+
+
+
+
+private:
+
+
+
+ Handle(Adaptor3d_HSurface) surf1;
+ Handle(Adaptor3d_HSurface) surf2;
+ Handle(Adaptor3d_HCurve) curv;
+ Handle(Adaptor3d_HCurve) tcurv;
+ Standard_Real param;
+ Standard_Real dist1;
+ Standard_Real angle;
+ Standard_Real tgang;
+ gp_Vec nplan;
+ gp_Pnt pt1;
+ gp_Vec tsurf1;
+ gp_Pnt pt2;
+ math_Vector FX;
+ math_Matrix DX;
+ Standard_Boolean istangent;
+ gp_Vec tg1;
+ gp_Vec2d tg12d;
+ gp_Vec tg2;
+ gp_Vec2d tg22d;
+ Standard_Integer choix;
+ Standard_Real distmin;
+
+
+};
+
+
+
+
+
+
+
+#endif // _BlendFunc_ChAsym_HeaderFile