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 >(), CalcPointVecErrorFct calcErrorFct=calcPointVecErrorMax) const
	Returns the resulting curve and the fit error.
TIGL_EXPORT CTiglApproxResult	FitCurveOptimal (const std::vector< double > &initialParms=std::vector< double >(), int maxIter=10, CalcPointVecErrorFct calcErrorFct=calcPointVecErrorMax) const
	Fits the curve by optimizing the parameters. Important: Parameters of points that are interpolated are not optimized.
TIGL_EXPORT void	InterpolatePoint (size_t pointIndex, bool withKink=false)
	The specified point will be interpolated instead of approximated.

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
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, CalcPointVecErrorFct calcErrorFct=calcPointVecErrorMax) const

Private Attributes
bool	m_C2Continuous
	determines the continuous closing of curve
int	m_degree
	degree of the B-spline
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.
TColgp_Array1OfPnt	m_pnts
	curve coordinates to be fitted by the B-spline

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 >(),
		CalcPointVecErrorFct	calcErrorFct = calcPointVecErrorMax ) 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,
		CalcPointVecErrorFct	calcErrorFct = calcPointVecErrorMax ) 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, CalcPointVecErrorFct calcErrorFct = calcPointVecErrorMax ) 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