tigl::CTiglBSplineApproxInterp Class Reference

#include <CTiglBSplineApproxInterp.h>

Public Member Functions
TIGL_EXPORT	CTiglBSplineApproxInterp (const TColgp_Array1OfPnt &points, int nControlPoints, int degree=3, bool continuous_if_closed=false)
TIGL_EXPORT CTiglApproxResult	FitCurve (const std::vector< double > &initialParms=std::vector< double >()) const
	Returns the resulting curve and the fit error. More...
TIGL_EXPORT CTiglApproxResult	FitCurveOptimal (const std::vector< double > &initialParms=std::vector< double >(), int maxIter=10) const
	Fits the curve by optimizing the parameters. Important: Parameters of points that are interpolated are not optimized. More...
TIGL_EXPORT void	InterpolatePoint (size_t pointIndex, bool withKink=false)
	The specified point will be interpolated instead of approximated. More...

Private Member Functions
void	computeKnots (int ncp, const std::vector< double > &params, std::vector< double > &knots, std::vector< int > &mults) const
std::vector< double >	computeParameters (double alpha) const
bool	firstAndLastInterpolated () const
math_Matrix	getContinuityMatrix (int nCtrPnts, int contin_cons, const std::vector< double > &params, const TColStd_Array1OfReal &flatKnots) const
bool	isClosed () const
double	maxDistanceOfBoundingBox (const TColgp_Array1OfPnt &points) const
	computes the maximum distance of the given points More...
void	optimizeParameters (const Handle(Geom_Curve)&curve, std::vector< double > &parms) const
ProjectResult	projectOnCurve (const gp_Pnt &pnt, const Handle(Geom_Curve)&curve, double initial_Parm) const
CTiglApproxResult	solve (const std::vector< double > &params, const TColStd_Array1OfReal &knots, const TColStd_Array1OfInteger &mults) const

Private Attributes
bool	m_C2Continuous
	determines the continuous closing of curve More...
int	m_degree
	degree of the B-spline More...
std::vector< size_t >	m_indexOfApproximated
std::vector< size_t >	m_indexOfInterpolated
std::vector< size_t >	m_indexOfKinks
int	m_ncp
	Number of control points of the B-spline. More...
TColgp_Array1OfPnt	m_pnts
	curve coordinates to be fitted by the B-spline More...

Constructor & Destructor Documentation

CTiglBSplineApproxInterp()

TIGL_EXPORT tigl::CTiglBSplineApproxInterp::CTiglBSplineApproxInterp	(	const TColgp_Array1OfPnt &	points,
		int	nControlPoints,
		int	degree = 3,
		bool	continuous_if_closed = false
	)

Member Function Documentation

computeKnots()

void tigl::CTiglBSplineApproxInterp::computeKnots ( int  ncp, const std::vector< double > &  params, std::vector< double > &  knots, std::vector< int > &  mults  ) const

private

computeParameters()

std::vector<double> tigl::CTiglBSplineApproxInterp::computeParameters ( double  alpha ) const

private

firstAndLastInterpolated()

bool tigl::CTiglBSplineApproxInterp::firstAndLastInterpolated ( ) const

private

FitCurve()

TIGL_EXPORT CTiglApproxResult tigl::CTiglBSplineApproxInterp::FitCurve

(

const std::vector< double > &

initialParms = std::vector< double >()

)

const

Returns the resulting curve and the fit error.

FitCurveOptimal()

TIGL_EXPORT CTiglApproxResult tigl::CTiglBSplineApproxInterp::FitCurveOptimal	(	const std::vector< double > &	initialParms = std::vector< double >(),
		int	maxIter = 10
	)		const

Fits the curve by optimizing the parameters. Important: Parameters of points that are interpolated are not optimized.

getContinuityMatrix()

math_Matrix tigl::CTiglBSplineApproxInterp::getContinuityMatrix ( int  nCtrPnts, int  contin_cons, const std::vector< double > &  params, const TColStd_Array1OfReal &  flatKnots  ) const

private

InterpolatePoint()

TIGL_EXPORT void tigl::CTiglBSplineApproxInterp::InterpolatePoint	(	size_t	pointIndex,
		bool	withKink = false
	)

The specified point will be interpolated instead of approximated.

isClosed()

bool tigl::CTiglBSplineApproxInterp::isClosed ( ) const

private

maxDistanceOfBoundingBox()

double tigl::CTiglBSplineApproxInterp::maxDistanceOfBoundingBox ( const TColgp_Array1OfPnt &  points ) const

private

computes the maximum distance of the given points

optimizeParameters()

void tigl::CTiglBSplineApproxInterp::optimizeParameters ( const Handle(Geom_Curve)&  curve, std::vector< double > &  parms  ) const

private

projectOnCurve()

ProjectResult tigl::CTiglBSplineApproxInterp::projectOnCurve ( const gp_Pnt &  pnt, const Handle(Geom_Curve)&  curve, double  initial_Parm  ) const

private

solve()

CTiglApproxResult tigl::CTiglBSplineApproxInterp::solve ( const std::vector< double > &  params, const TColStd_Array1OfReal &  knots, const TColStd_Array1OfInteger &  mults  ) const

private

Field Documentation

m_C2Continuous

bool tigl::CTiglBSplineApproxInterp::m_C2Continuous

private

determines the continuous closing of curve

m_degree

int tigl::CTiglBSplineApproxInterp::m_degree

private

degree of the B-spline

m_indexOfApproximated

std::vector<size_t> tigl::CTiglBSplineApproxInterp::m_indexOfApproximated

private

m_indexOfInterpolated

std::vector<size_t> tigl::CTiglBSplineApproxInterp::m_indexOfInterpolated

private

m_indexOfKinks

std::vector<size_t> tigl::CTiglBSplineApproxInterp::m_indexOfKinks

private

m_ncp

int tigl::CTiglBSplineApproxInterp::m_ncp

private

Number of control points of the B-spline.

m_pnts

TColgp_Array1OfPnt tigl::CTiglBSplineApproxInterp::m_pnts

private

curve coordinates to be fitted by the B-spline

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

• CTiglBSplineApproxInterp.h