Go::HermiteGrid1D Class Reference
['geometry' - a spline library]

The type "GoHemiteGrid1D" holds a one dimensional grid containing sampled points and derivatives from a curve. More...

#include <HermiteGrid1D.h>

List of all members.

Public Member Functions
	HermiteGrid1D (const EvalCurve &crv, double start, double end)
	Construct a HermiteGrid1D from a curve and a given interval.
	HermiteGrid1D (const EvalCurve &crv, double param[], int n)
	Construct a HermiteGrid1D from a curve and a set of parameter values.
	~HermiteGrid1D ()
	Default destructor.
int	addKnot (const EvalCurve &crv, double knot)
	Add another sample (parameter, position, tangent) to the grid.
void	getSegment (int left, int right, double &spar, double &epar, Point bezcoef[4])
	Calculate Bezier coefficients of the cubic curve interpolating the point and tangent values at grid nodes with indices "left" and "right".
std::vector< double >	getKnots ()
	Return the grid parameters.
std::vector< Point >	getData ()
	Return the sample values (positions and first derivatives).
int	dim ()
	Return the spatial dimension.
int	size ()
	Return the number of samples in the grid.

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Detailed Description

The type "GoHemiteGrid1D" holds a one dimensional grid containing sampled points and derivatives from a curve.

It can be used to generate bezier curve segments obtained by Hermite interpolation of intervals between the sampled parameter values.

Definition at line 52 of file HermiteGrid1D.h.

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Constructor & Destructor Documentation

Go::HermiteGrid1D::HermiteGrid1D	(	const EvalCurve &	crv,
		double	start,
		double	end
	)

Construct a HermiteGrid1D from a curve and a given interval.

The grid will only contain the sampled values (position, derivative) for the first and last value of the interval.

Parameters:

	crv	curve to sample
	start	start of interval
	end	end of interval

Go::HermiteGrid1D::HermiteGrid1D	(	const EvalCurve &	crv,
		double	param[],
		int	n
	)

Construct a HermiteGrid1D from a curve and a set of parameter values.

Parameters:

	crv	curve to sample
	param	array of strictly increasing parameters contained in the parameter domain of 'crv'.
	n	number of elements in 'param[]'.

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Member Function Documentation

int Go::HermiteGrid1D::addKnot	(	const EvalCurve &	crv,
		double	knot
	)

Add another sample (parameter, position, tangent) to the grid.

Returns the index of the new knot (parameter value) in the sorted knot vector after insertion.

Parameters:

	crv	curve to evaluate
	knot	the new sample value (parameter value, knot)

void Go::HermiteGrid1D::getSegment	(	int	left,
		int	right,
		double &	spar,
		double &	epar,
		Point	bezcoef[4]
	)

Calculate Bezier coefficients of the cubic curve interpolating the point and tangent values at grid nodes with indices "left" and "right".

Parameters:

	left	indicating grid node for start of curve segment
	right	indicating grid node for end of curve segment
	spar	start parameter of segment
	epar	end parameter of segment
	bezcoef	array of cubic Bezier coefficients

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

• HermiteGrid1D.h

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