AppDef_BSplineCompute Class Reference

#include <AppDef_BSplineCompute.hxx>

Public Member Functions
	AppDef_BSplineCompute (const AppDef_MultiLine &Line, const int degreemin=4, const int degreemax=8, const double Tolerance3d=1.0e-3, const double Tolerance2d=1.0e-6, const int NbIterations=5, const bool cutting=true, const Approx_ParametrizationType parametrization=Approx_ChordLength, const bool Squares=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.
	AppDef_BSplineCompute (const AppDef_MultiLine &Line, const math_Vector &Parameters, const int degreemin=4, const int degreemax=8, const double Tolerance3d=1.0e-03, const double Tolerance2d=1.0e-06, const int NbIterations=5, const bool cutting=true, const bool Squares=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.
	AppDef_BSplineCompute (const math_Vector &Parameters, const int degreemin=4, const int degreemax=8, const double Tolerance3d=1.0e-03, const double Tolerance2d=1.0e-06, const int NbIterations=5, const bool cutting=true, const bool Squares=false)
	Initializes the fields of the algorithm.
	AppDef_BSplineCompute (const int degreemin=4, const int degreemax=8, const double Tolerance3d=1.0e-03, const double Tolerance2d=1.0e-06, const int NbIterations=5, const bool cutting=true, const Approx_ParametrizationType parametrization=Approx_ChordLength, const bool Squares=false)
	Initializes the fields of the algorithm.
void	Interpol (const AppDef_MultiLine &Line)
	Constructs an interpolation of the MultiLine <Line> The result will be a C2 curve of degree 3.
void	Init (const int degreemin=4, const int degreemax=8, const double Tolerance3d=1.0e-03, const double Tolerance2d=1.0e-06, const int NbIterations=5, const bool cutting=true, const Approx_ParametrizationType parametrization=Approx_ChordLength, const bool Squares=false)
	Initializes the fields of the algorithm.
void	Perform (const AppDef_MultiLine &Line)
	runs the algorithm after having initialized the fields.
void	SetParameters (const math_Vector &ThePar)
	The approximation will begin with the set of parameters <ThePar>.
void	SetKnots (const NCollection_Array1< double > &Knots)
	The approximation will be done with the set of knots <Knots>. The multiplicities will be set with the degree and the desired continuity.
void	SetKnotsAndMultiplicities (const NCollection_Array1< double > &Knots, const NCollection_Array1< int > &Mults)
	The approximation will be done with the set of knots <Knots> and the multiplicities <Mults>.
void	SetDegrees (const int degreemin, const int degreemax)
	changes the degrees of the approximation.
void	SetTolerances (const double Tolerance3d, const double Tolerance2d)
	Changes the tolerances of the approximation.
void	SetContinuity (const int C)
	sets the continuity of the spline. if C = 2, the spline will be C2.
void	SetConstraints (const AppParCurves_Constraint firstC, const AppParCurves_Constraint lastC)
	changes the first and the last constraint points.
void	SetPeriodic (const bool thePeriodic)
	Sets periodic flag. If thePeriodic = true, algorithm tries to build periodic multicurve using corresponding C1 boundary condition for first and last multipoints. Multiline must be closed.
bool	IsAllApproximated () const
	returns False if at a moment of the approximation, the status NoApproximation has been sent by the user when more points were needed.
bool	IsToleranceReached () const
	returns False if the status NoPointsAdded has been sent.
void	Error (double &tol3d, double &tol2d) const
	returns the tolerances 2d and 3d of the MultiBSpCurve.
const AppParCurves_MultiBSpCurve &	Value () const
	returns the result of the approximation.
AppParCurves_MultiBSpCurve &	ChangeValue ()
	returns the result of the approximation.
const NCollection_Array1< double > &	Parameters () const
	returns the new parameters of the approximation corresponding to the points of the MultiBSpCurve.

Constructor & Destructor Documentation

AppDef_BSplineCompute() [1/4]

AppDef_BSplineCompute::AppDef_BSplineCompute	(	const AppDef_MultiLine &	Line,
		const int	degreemin = 4,
		const int	degreemax = 8,
		const double	Tolerance3d = 1.0e-3,
		const double	Tolerance2d = 1.0e-6,
		const int	NbIterations = 5,
		const bool	cutting = true,
		const Approx_ParametrizationType	parametrization = Approx_ChordLength,
		const bool	Squares = 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.

The multiplicities of the internal knots is set by default.

AppDef_BSplineCompute() [2/4]

AppDef_BSplineCompute::AppDef_BSplineCompute	(	const AppDef_MultiLine &	Line,
		const math_Vector &	Parameters,
		const int	degreemin = 4,
		const int	degreemax = 8,
		const double	Tolerance3d = 1.0e-03,
		const double	Tolerance2d = 1.0e-06,
		const int	NbIterations = 5,
		const bool	cutting = true,
		const bool	Squares = 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.

AppDef_BSplineCompute() [3/4]

AppDef_BSplineCompute::AppDef_BSplineCompute	(	const math_Vector &	Parameters,
		const int	degreemin = 4,
		const int	degreemax = 8,
		const double	Tolerance3d = 1.0e-03,
		const double	Tolerance2d = 1.0e-06,
		const int	NbIterations = 5,
		const bool	cutting = true,
		const bool	Squares = false )

Initializes the fields of the algorithm.

AppDef_BSplineCompute() [4/4]

AppDef_BSplineCompute::AppDef_BSplineCompute	(	const int	degreemin = 4,
		const int	degreemax = 8,
		const double	Tolerance3d = 1.0e-03,
		const double	Tolerance2d = 1.0e-06,
		const int	NbIterations = 5,
		const bool	cutting = true,
		const Approx_ParametrizationType	parametrization = Approx_ChordLength,
		const bool	Squares = false )

Initializes the fields of the algorithm.

Member Function Documentation

ChangeValue()

AppParCurves_MultiBSpCurve & AppDef_BSplineCompute::ChangeValue

(

)

returns the result of the approximation.

Error()

void AppDef_BSplineCompute::Error	(	double &	tol3d,
		double &	tol2d ) const

returns the tolerances 2d and 3d of the MultiBSpCurve.

Init()

void AppDef_BSplineCompute::Init	(	const int	degreemin = 4,
		const int	degreemax = 8,
		const double	Tolerance3d = 1.0e-03,
		const double	Tolerance2d = 1.0e-06,
		const int	NbIterations = 5,
		const bool	cutting = true,
		const Approx_ParametrizationType	parametrization = Approx_ChordLength,
		const bool	Squares = false )

Initializes the fields of the algorithm.

Interpol()

void AppDef_BSplineCompute::Interpol

(

const AppDef_MultiLine &

Line

)

Constructs an interpolation of the MultiLine <Line> The result will be a C2 curve of degree 3.

IsAllApproximated()

bool AppDef_BSplineCompute::IsAllApproximated

(

)

const

returns False if at a moment of the approximation, the status NoApproximation has been sent by the user when more points were needed.

IsToleranceReached()

bool AppDef_BSplineCompute::IsToleranceReached

(

)

const

returns False if the status NoPointsAdded has been sent.

Parameters()

const NCollection_Array1< double > & AppDef_BSplineCompute::Parameters

(

)

const

returns the new parameters of the approximation corresponding to the points of the MultiBSpCurve.

Perform()

void AppDef_BSplineCompute::Perform

(

const AppDef_MultiLine &

Line

)

runs the algorithm after having initialized the fields.

SetConstraints()

void AppDef_BSplineCompute::SetConstraints	(	const AppParCurves_Constraint	firstC,
		const AppParCurves_Constraint	lastC )

changes the first and the last constraint points.

SetContinuity()

void AppDef_BSplineCompute::SetContinuity

(

const int

C

)

sets the continuity of the spline. if C = 2, the spline will be C2.

SetDegrees()

void AppDef_BSplineCompute::SetDegrees	(	const int	degreemin,
		const int	degreemax )

changes the degrees of the approximation.

SetKnots()

void AppDef_BSplineCompute::SetKnots

(

const NCollection_Array1< double > &

Knots

)

The approximation will be done with the set of knots <Knots>. The multiplicities will be set with the degree and the desired continuity.

SetKnotsAndMultiplicities()

void AppDef_BSplineCompute::SetKnotsAndMultiplicities	(	const NCollection_Array1< double > &	Knots,
		const NCollection_Array1< int > &	Mults )

The approximation will be done with the set of knots <Knots> and the multiplicities <Mults>.

SetParameters()

void AppDef_BSplineCompute::SetParameters

(

const math_Vector &

ThePar

)

The approximation will begin with the set of parameters <ThePar>.

SetPeriodic()

void AppDef_BSplineCompute::SetPeriodic

(

const bool

thePeriodic

)

Sets periodic flag. If thePeriodic = true, algorithm tries to build periodic multicurve using corresponding C1 boundary condition for first and last multipoints. Multiline must be closed.

SetTolerances()

void AppDef_BSplineCompute::SetTolerances	(	const double	Tolerance3d,
		const double	Tolerance2d )

Changes the tolerances of the approximation.

Value()

const AppParCurves_MultiBSpCurve & AppDef_BSplineCompute::Value

(

)

const

returns the result of the approximation.

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The documentation for this class was generated from the following file:

• AppDef_BSplineCompute.hxx