3.5.0-rc1
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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

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