DEFINE_STANDARD_ALLOC
+ //! The MultiLine <Line> will be approximated until tolerances
+ //! will be reached.
+ //! The approximation will be done from degreemin to degreemax
+ //! with a cutting if the corresponding boolean is True.
+ //! If <Squares> is True, the computation will be done with
+ //! no iteration at all.
+ //!
+ //! The multiplicities of the internal knots is set by
+ //! default.
Standard_EXPORT GeomInt_TheComputeLineOfWLApprox(const GeomInt_TheMultiLineOfWLApprox& Line, const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-3, const Standard_Real Tolerance2d = 1.0e-6, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Approx_ParametrizationType parametrization = Approx_ChordLength, const Standard_Boolean Squares = Standard_False);
+ //! The MultiLine <Line> will be approximated until tolerances
+ //! will be reached.
+ //! The approximation will be done from degreemin to degreemax
+ //! with a cutting if the corresponding boolean is True.
+ //! If <Squares> is True, the computation will be done with
+ //! no iteration at all.
Standard_EXPORT GeomInt_TheComputeLineOfWLApprox(const GeomInt_TheMultiLineOfWLApprox& Line, const math_Vector& Parameters, const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Standard_Boolean Squares = Standard_False);
+ //! Initializes the fields of the algorithm.
Standard_EXPORT GeomInt_TheComputeLineOfWLApprox(const math_Vector& Parameters, const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Standard_Boolean Squares = Standard_False);
+ //! Initializes the fields of the algorithm.
Standard_EXPORT GeomInt_TheComputeLineOfWLApprox(const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Approx_ParametrizationType parametrization = Approx_ChordLength, const Standard_Boolean Squares = Standard_False);
+ //! Constructs an interpolation of the MultiLine <Line>
+ //! The result will be a C2 curve of degree 3.
Standard_EXPORT void Interpol (const GeomInt_TheMultiLineOfWLApprox& Line);
+ //! Initializes the fields of the algorithm.
Standard_EXPORT void Init (const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Approx_ParametrizationType parametrization = Approx_ChordLength, const Standard_Boolean Squares = Standard_False);
+ //! runs the algorithm after having initialized the fields.
Standard_EXPORT void Perform (const GeomInt_TheMultiLineOfWLApprox& Line);
+ //! The approximation will begin with the
+ //! set of parameters <ThePar>.
Standard_EXPORT void SetParameters (const math_Vector& ThePar);
+ //! The approximation will be done with the
+ //! set of knots <Knots>. The multiplicities will be set
+ //! with the degree and the desired continuity.
Standard_EXPORT void SetKnots (const TColStd_Array1OfReal& Knots);
+ //! The approximation will be done with the
+ //! set of knots <Knots> and the multiplicities <Mults>.
Standard_EXPORT void SetKnotsAndMultiplicities (const TColStd_Array1OfReal& Knots, const TColStd_Array1OfInteger& Mults);
+ //! changes the degrees of the approximation.
Standard_EXPORT void SetDegrees (const Standard_Integer degreemin, const Standard_Integer degreemax);
+ //! Changes the tolerances of the approximation.
Standard_EXPORT void SetTolerances (const Standard_Real Tolerance3d, const Standard_Real Tolerance2d);
+ //! sets the continuity of the spline.
+ //! if C = 2, the spline will be C2.
Standard_EXPORT void SetContinuity (const Standard_Integer C);
+ //! changes the first and the last constraint points.
Standard_EXPORT void SetConstraints (const AppParCurves_Constraint firstC, const AppParCurves_Constraint lastC);
+ //! returns False if at a moment of the approximation,
+ //! the status NoApproximation has been sent by the user
+ //! when more points were needed.
Standard_EXPORT Standard_Boolean IsAllApproximated() const;
+ //! returns False if the status NoPointsAdded has been sent.
Standard_EXPORT Standard_Boolean IsToleranceReached() const;
+ //! returns the tolerances 2d and 3d of the MultiBSpCurve.
Standard_EXPORT void Error (Standard_Real& tol3d, Standard_Real& tol2d) const;
+ //! returns the result of the approximation.
Standard_EXPORT const AppParCurves_MultiBSpCurve& Value() const;
+ //! returns the result of the approximation.
Standard_EXPORT AppParCurves_MultiBSpCurve& ChangeValue();
+ //! returns the new parameters of the approximation
+ //! corresponding to the points of the MultiBSpCurve.
Standard_EXPORT const TColStd_Array1OfReal& Parameters() const;
private:
+ //! is internally used in the algorithm.
Standard_EXPORT Standard_Boolean Compute (const GeomInt_TheMultiLineOfWLApprox& Line, const Standard_Integer fpt, const Standard_Integer lpt, math_Vector& Para, const TColStd_Array1OfReal& Knots, TColStd_Array1OfInteger& Mults);
+ //! is internally used in the algorithm.
Standard_EXPORT Standard_Boolean ComputeCurve (const GeomInt_TheMultiLineOfWLApprox& Line, const Standard_Integer firspt, const Standard_Integer lastpt);
+ //! computes new parameters between firstP and lastP.
Standard_EXPORT void Parameters (const GeomInt_TheMultiLineOfWLApprox& Line, const Standard_Integer firstP, const Standard_Integer LastP, math_Vector& TheParameters) const;
Standard_EXPORT Standard_Real SearchFirstLambda (const GeomInt_TheMultiLineOfWLApprox& Line, const math_Vector& Para, const TColStd_Array1OfReal& Knots, const math_Vector& V, const Standard_Integer index) const;
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