BRepApprox_TheComputeLineOfApprox Class Reference

#include <BRepApprox_TheComputeLineOfApprox.hxx>

Public Member Functions
	BRepApprox_TheComputeLineOfApprox (const BRepApprox_TheMultiLineOfApprox &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.
	BRepApprox_TheComputeLineOfApprox (const BRepApprox_TheMultiLineOfApprox &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)
	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.
	BRepApprox_TheComputeLineOfApprox (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.
	BRepApprox_TheComputeLineOfApprox (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)
	Initializes the fields of the algorithm.
void	Interpol (const BRepApprox_TheMultiLineOfApprox &Line)
	Constructs an interpolation of the MultiLine <Line> The result will be a C2 curve of degree 3.
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)
	Initializes the fields of the algorithm.
void	Perform (const BRepApprox_TheMultiLineOfApprox &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 TColStd_Array1OfReal &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 TColStd_Array1OfReal &Knots, const TColStd_Array1OfInteger &Mults)
	The approximation will be done with the set of knots <Knots> and the multiplicities <Mults>.
void	SetDegrees (const Standard_Integer degreemin, const Standard_Integer degreemax)
	changes the degrees of the approximation.
void	SetTolerances (const Standard_Real Tolerance3d, const Standard_Real Tolerance2d)
	Changes the tolerances of the approximation.
void	SetContinuity (const Standard_Integer 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 Standard_Boolean thePeriodic)
	Sets periodic flag. If thePeriodic = Standard_True, algorithm tries to build periodic multicurve using corresponding C1 boundary condition for first and last multipoints. Multiline must be closed.
Standard_Boolean	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.
Standard_Boolean	IsToleranceReached () const
	returns False if the status NoPointsAdded has been sent.
void	Error (Standard_Real &tol3d, Standard_Real &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 TColStd_Array1OfReal &	Parameters () const
	returns the new parameters of the approximation corresponding to the points of the MultiBSpCurve.

Constructor & Destructor Documentation

BRepApprox_TheComputeLineOfApprox() [1/4]

BRepApprox_TheComputeLineOfApprox::BRepApprox_TheComputeLineOfApprox	(	const BRepApprox_TheMultiLineOfApprox &	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.

The multiplicities of the internal knots is set by default.

BRepApprox_TheComputeLineOfApprox() [2/4]

BRepApprox_TheComputeLineOfApprox::BRepApprox_TheComputeLineOfApprox	(	const BRepApprox_TheMultiLineOfApprox &	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
	)

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.

BRepApprox_TheComputeLineOfApprox() [3/4]

BRepApprox_TheComputeLineOfApprox::BRepApprox_TheComputeLineOfApprox	(	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.

BRepApprox_TheComputeLineOfApprox() [4/4]

BRepApprox_TheComputeLineOfApprox::BRepApprox_TheComputeLineOfApprox	(	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
	)

Initializes the fields of the algorithm.

Member Function Documentation

ChangeValue()

AppParCurves_MultiBSpCurve & BRepApprox_TheComputeLineOfApprox::ChangeValue

(

)

returns the result of the approximation.

Error()

void BRepApprox_TheComputeLineOfApprox::Error	(	Standard_Real &	tol3d,
		Standard_Real &	tol2d
	)		const

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

Init()

void BRepApprox_TheComputeLineOfApprox::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
	)

Initializes the fields of the algorithm.

Interpol()

void BRepApprox_TheComputeLineOfApprox::Interpol

(

const BRepApprox_TheMultiLineOfApprox &

Line

)

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

IsAllApproximated()

Standard_Boolean BRepApprox_TheComputeLineOfApprox::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()

Standard_Boolean BRepApprox_TheComputeLineOfApprox::IsToleranceReached

(

)

const

returns False if the status NoPointsAdded has been sent.

Parameters()

const TColStd_Array1OfReal & BRepApprox_TheComputeLineOfApprox::Parameters

(

)

const

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

Perform()

void BRepApprox_TheComputeLineOfApprox::Perform

(

const BRepApprox_TheMultiLineOfApprox &

Line

)

runs the algorithm after having initialized the fields.

SetConstraints()

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

changes the first and the last constraint points.

SetContinuity()

void BRepApprox_TheComputeLineOfApprox::SetContinuity

(

const Standard_Integer

C

)

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

SetDegrees()

void BRepApprox_TheComputeLineOfApprox::SetDegrees	(	const Standard_Integer	degreemin,
		const Standard_Integer	degreemax
	)

changes the degrees of the approximation.

SetKnots()

void BRepApprox_TheComputeLineOfApprox::SetKnots

(

const TColStd_Array1OfReal &

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 BRepApprox_TheComputeLineOfApprox::SetKnotsAndMultiplicities	(	const TColStd_Array1OfReal &	Knots,
		const TColStd_Array1OfInteger &	Mults
	)

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

SetParameters()

void BRepApprox_TheComputeLineOfApprox::SetParameters

(

const math_Vector &

ThePar

)

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

SetPeriodic()

void BRepApprox_TheComputeLineOfApprox::SetPeriodic

(

const Standard_Boolean

thePeriodic

)

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

SetTolerances()

void BRepApprox_TheComputeLineOfApprox::SetTolerances	(	const Standard_Real	Tolerance3d,
		const Standard_Real	Tolerance2d
	)

Changes the tolerances of the approximation.

Value()

const AppParCurves_MultiBSpCurve & BRepApprox_TheComputeLineOfApprox::Value

(

)

const

returns the result of the approximation.

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

• BRepApprox_TheComputeLineOfApprox.hxx