#include <BRepApprox_MyBSplGradientOfTheComputeLineOfApprox.hxx>

Public Member Functions
	BRepApprox_MyBSplGradientOfTheComputeLineOfApprox (const BRepApprox_TheMultiLineOfApprox &SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint, const Handle< AppParCurves_HArray1OfConstraintCouple > &TheConstraints, math_Vector &Parameters, const TColStd_Array1OfReal &Knots, const TColStd_Array1OfInteger &Mults, const Standard_Integer Deg, const Standard_Real Tol3d, const Standard_Real Tol2d, const Standard_Integer NbIterations=1)
	Tries to minimize the sum (square(\|\|Qui - Bi*Pi\|\|)) where Pui describe the approximating BSpline curves'Poles and Qi the MultiLine points with a parameter ui. In this algorithm, the parameters ui are the unknowns. The tolerance required on this sum is given by Tol. The desired degree of the resulting curve is Deg.

	BRepApprox_MyBSplGradientOfTheComputeLineOfApprox (const BRepApprox_TheMultiLineOfApprox &SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint, const Handle< AppParCurves_HArray1OfConstraintCouple > &TheConstraints, math_Vector &Parameters, const TColStd_Array1OfReal &Knots, const TColStd_Array1OfInteger &Mults, const Standard_Integer Deg, const Standard_Real Tol3d, const Standard_Real Tol2d, const Standard_Integer NbIterations, const Standard_Real lambda1, const Standard_Real lambda2)
	Tries to minimize the sum (square(\|\|Qui - Bi*Pi\|\|)) where Pui describe the approximating BSpline curves'Poles and Qi the MultiLine points with a parameter ui. In this algorithm, the parameters ui are the unknowns. The tolerance required on this sum is given by Tol. The desired degree of the resulting curve is Deg.

Standard_Boolean	IsDone () const
	returns True if all has been correctly done.

AppParCurves_MultiBSpCurve	Value () const
	returns all the BSpline curves approximating the MultiLine SSP after minimization of the parameter.

Standard_Real	Error (const Standard_Integer Index) const
	returns the difference between the old and the new approximation. An exception is raised if NotDone. An exception is raised if Index<1 or Index>NbParameters.

Standard_Real	MaxError3d () const
	returns the maximum difference between the old and the new approximation.

Standard_Real	MaxError2d () const
	returns the maximum difference between the old and the new approximation.

Standard_Real	AverageError () const
	returns the average error between the old and the new approximation.

Protected Member Functions
void	Perform (const BRepApprox_TheMultiLineOfApprox &SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint, const Handle< AppParCurves_HArray1OfConstraintCouple > &TheConstraints, math_Vector &Parameters, const TColStd_Array1OfReal &Knots, const TColStd_Array1OfInteger &Mults, const Standard_Integer Deg, const Standard_Real Tol3d, const Standard_Real Tol2d, const Standard_Integer NbIterations=200)

Constructor & Destructor Documentation

◆ BRepApprox_MyBSplGradientOfTheComputeLineOfApprox() [1/2]

BRepApprox_MyBSplGradientOfTheComputeLineOfApprox::BRepApprox_MyBSplGradientOfTheComputeLineOfApprox	(	const BRepApprox_TheMultiLineOfApprox &	SSP,
		const Standard_Integer	FirstPoint,
		const Standard_Integer	LastPoint,
		const Handle< AppParCurves_HArray1OfConstraintCouple > &	TheConstraints,
		math_Vector &	Parameters,
		const TColStd_Array1OfReal &	Knots,
		const TColStd_Array1OfInteger &	Mults,
		const Standard_Integer	Deg,
		const Standard_Real	Tol3d,
		const Standard_Real	Tol2d,
		const Standard_Integer	NbIterations = `1`
	)

Tries to minimize the sum (square(||Qui - Bi*Pi||)) where Pui describe the approximating BSpline curves'Poles and Qi the MultiLine points with a parameter ui. In this algorithm, the parameters ui are the unknowns. The tolerance required on this sum is given by Tol. The desired degree of the resulting curve is Deg.

◆ BRepApprox_MyBSplGradientOfTheComputeLineOfApprox() [2/2]

BRepApprox_MyBSplGradientOfTheComputeLineOfApprox::BRepApprox_MyBSplGradientOfTheComputeLineOfApprox	(	const BRepApprox_TheMultiLineOfApprox &	SSP,
		const Standard_Integer	FirstPoint,
		const Standard_Integer	LastPoint,
		const Handle< AppParCurves_HArray1OfConstraintCouple > &	TheConstraints,
		math_Vector &	Parameters,
		const TColStd_Array1OfReal &	Knots,
		const TColStd_Array1OfInteger &	Mults,
		const Standard_Integer	Deg,
		const Standard_Real	Tol3d,
		const Standard_Real	Tol2d,
		const Standard_Integer	NbIterations,
		const Standard_Real	lambda1,
		const Standard_Real	lambda2
	)

Tries to minimize the sum (square(||Qui - Bi*Pi||)) where Pui describe the approximating BSpline curves'Poles and Qi the MultiLine points with a parameter ui. In this algorithm, the parameters ui are the unknowns. The tolerance required on this sum is given by Tol. The desired degree of the resulting curve is Deg.

Member Function Documentation

◆ AverageError()

Standard_Real BRepApprox_MyBSplGradientOfTheComputeLineOfApprox::AverageError ( ) const

returns the average error between the old and the new approximation.

◆ Error()

Standard_Real BRepApprox_MyBSplGradientOfTheComputeLineOfApprox::Error ( const Standard_Integer Index ) const

returns the difference between the old and the new approximation. An exception is raised if NotDone. An exception is raised if Index<1 or Index>NbParameters.

◆ IsDone()

Standard_Boolean BRepApprox_MyBSplGradientOfTheComputeLineOfApprox::IsDone ( ) const

returns True if all has been correctly done.

◆ MaxError2d()

Standard_Real BRepApprox_MyBSplGradientOfTheComputeLineOfApprox::MaxError2d ( ) const

returns the maximum difference between the old and the new approximation.

◆ MaxError3d()

Standard_Real BRepApprox_MyBSplGradientOfTheComputeLineOfApprox::MaxError3d ( ) const

returns the maximum difference between the old and the new approximation.

◆ Perform()

void BRepApprox_MyBSplGradientOfTheComputeLineOfApprox::Perform	(	const BRepApprox_TheMultiLineOfApprox &	SSP,
		const Standard_Integer	FirstPoint,
		const Standard_Integer	LastPoint,
		const Handle< AppParCurves_HArray1OfConstraintCouple > &	TheConstraints,
		math_Vector &	Parameters,
		const TColStd_Array1OfReal &	Knots,
		const TColStd_Array1OfInteger &	Mults,
		const Standard_Integer	Deg,
		const Standard_Real	Tol3d,
		const Standard_Real	Tol2d,
		const Standard_Integer	NbIterations = `200`
	)

protected

◆ Value()

AppParCurves_MultiBSpCurve BRepApprox_MyBSplGradientOfTheComputeLineOfApprox::Value ( ) const

returns all the BSpline curves approximating the MultiLine SSP after minimization of the parameter.

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

BRepApprox_MyBSplGradientOfTheComputeLineOfApprox.hxx

Public Member Functions

Protected Member Functions