A B-spline surface. More...

#include <WBSplineSurface.h>

Collaboration diagram for WBSplineSurface:

Public Member Functions
	WBSplineSurface (int order1, int order2, std::vector< WVector3d > deBoorPoints, int numDeBoorPoints1, int numDeBoorPoints2)
	Constructor for the surface that takes the orders and de Boor points of the underlying splines while constructing normalized knotVectors automatically. More...

	WBSplineSurface (int order1, int order2, std::vector< WVector3d > deBoorPoints, int numDeBoorPoints1, int numDeBoorPoints2, std::vector< double > knots1, std::vector< double > knots2)
	Constructor for the surface that takes the orders, de Boor points knots of the underlying splines. More...

	~WBSplineSurface ()
	Empty destructor. More...

std::vector< WVector3d >	getDeBoorPoints ()
	Returns the stored de Boor points. More...

int	getNumDeBoorPoints1 ()
	Returns the number of de Boor points in the first direction. More...

int	getNumDeBoorPoints2 ()
	Returns the number of de Boor points in the second direction. More...

std::vector< double >	getKnots1 ()
	Returns the stored knots in the first direction. More...

std::vector< double >	getKnots2 ()
	Returns the stored knots in the second direction. More...

int	getOrder1 ()
	Returns the order of the spline in the first direction. More...

int	getOrder2 ()
	Returns the order of the spline in the second direction. More...

int	getNumSamplePointsT ()
	Returns the number of sample points in the first direction that were used for the last call to samplePoints(). More...

int	getNumSamplePointsU ()
	Returns the number of sample points in the second direction that were used for the last call to samplePoints(). More...

void	setDeBoorPoints (std::vector< WVector3d > deBoorPoints, int numDeBoorPoints1, int numDeBoorPoints2)
	Sets new de Boor points for the splines. More...

void	setKnots1 (std::vector< double > knots)
	Sets new knots for the spline in the first direction. More...

void	setKnots2 (std::vector< double > knots)
	Sets new knots for the spline in the second direction. More...

void	setOrder1 (int order)
	Sets a new order for the spline in the first direction. More...

void	setOrder2 (int order)
	Sets a new order for the spline in the second direction. More...

void	samplePoints (std::vector< WVector3d > *points, double tResolution, double uResolution)
	Compute sample points on the spline surface for a given resolution in the two directions. More...

Private Member Functions
WVector3d	f (double t, double u)
	Compute a single sample point on the surface for the given parameters. More...

Private Attributes
int	m_order1
	order for the spline in the first direction. More...

int	m_order2
	order for the spline in the second direction. More...

int	m_numDeBoorPoints1
	number of de Boor points for the spline in the first direction. More...

int	m_numDeBoorPoints2
	number of de Boor points for the spline in the second direction. More...

int	m_numSamplePointsT
	The number of sample points in the first direction that were used for the last call to samplePoints(). More...

int	m_numSamplePointsU
	The number of sample points in the second direction that were used for the last call to samplePoints(). More...

std::vector< WVector3d >	m_deBoorPoints
	The de Boor points of the splines. More...

std::vector< double >	m_knots1
	The knots of the spline in the first direction. More...

std::vector< double >	m_knots2
	The knots of the spline in the second direction. More...

Detailed Description

A B-spline surface.

Author: Patrick Oesterling

numDeBoorPoints1 -> t-parameter (knots1) 0 1 2 3 4 5 ..... n ___________________________ u | | | | | | | | | | m |__________________________| D | | | | | | | | | | e |__________________________| B | | | | | | | | | | o |__________________________| o | | | | | | | | | | r |__________________________| P | | | | | | | | | | 2 |__________________________| -> | | | | | | | | | | u |__________________________|

| | | | | | | | | | param|__________________________| (knots2)| | | | | | | | | | |__________________________|

Definition at line 58 of file WBSplineSurface.h.

Constructor & Destructor Documentation

◆ WBSplineSurface() [1/2]

WBSplineSurface::WBSplineSurface	(	int	order1,
		int	order2,
		std::vector< WVector3d >	deBoorPoints,
		int	numDeBoorPoints1,
		int	numDeBoorPoints2
	)

Constructor for the surface that takes the orders and de Boor points of the underlying splines while constructing normalized knotVectors automatically.

Parameters

order1	Order of the spline in first direction.
order2	Order of the spline in second direction.
deBoorPoints	The de Boor points for the spline
numDeBoorPoints1	The number of de Boor points for the spline in the first direction.
numDeBoorPoints2	The number of de Boor points for the spline in the second direction.

Definition at line 31 of file WBSplineSurface.cpp.

References m_deBoorPoints, m_knots1, m_knots2, m_numDeBoorPoints1, m_numDeBoorPoints2, m_order1, and m_order2.

◆ WBSplineSurface() [2/2]

WBSplineSurface::WBSplineSurface	(	int	order1,
		int	order2,
		std::vector< WVector3d >	deBoorPoints,
		int	numDeBoorPoints1,
		int	numDeBoorPoints2,
		std::vector< double >	knots1,
		std::vector< double >	knots2
	)

Constructor for the surface that takes the orders, de Boor points knots of the underlying splines.

Parameters

order1	Order of the spline in first direction.
order2	Order of the spline in second direction.
deBoorPoints	The de Boor points for the spline
numDeBoorPoints1	The number of de Boor points for the spline in the first direction.
numDeBoorPoints2	The number of de Boor points for the spline in the second direction.
knots1	The new knots for the spline in the first direction.
knots2	The new knots for the spline in the second direction.

Definition at line 76 of file WBSplineSurface.cpp.

References m_deBoorPoints, m_knots1, m_knots2, m_numDeBoorPoints1, m_numDeBoorPoints2, m_order1, and m_order2.

◆ ~WBSplineSurface()

WBSplineSurface::~WBSplineSurface ( )

Empty destructor.

Definition at line 93 of file WBSplineSurface.cpp.

Member Function Documentation

◆ f()

WVector3d WBSplineSurface::f	(	double	t,
		double	u
	)

private

Compute a single sample point on the surface for the given parameters.

Parameters

t	parameter for first direction.
u	parameter for second direction.

Returns: Sample point at (t,u).

Definition at line 97 of file WBSplineSurface.cpp.

References WBSpline::f(), m_deBoorPoints, m_numDeBoorPoints1, m_numDeBoorPoints2, m_order1, and m_order2.

Referenced by samplePoints().

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◆ getDeBoorPoints()

std::vector< WVector3d > WBSplineSurface::getDeBoorPoints ( )

Returns the stored de Boor points.

Returns: All de Boor points of the B-spline

Definition at line 139 of file WBSplineSurface.cpp.

References m_deBoorPoints.

◆ getKnots1()

std::vector< double > WBSplineSurface::getKnots1 ( )

Returns the stored knots in the first direction.

Returns: Number of knots in the first direction

Definition at line 154 of file WBSplineSurface.cpp.

References m_knots1.

◆ getKnots2()

std::vector< double > WBSplineSurface::getKnots2 ( )

Returns the stored knots in the second direction.

Returns: Number of knots in the second direction

Definition at line 159 of file WBSplineSurface.cpp.

References m_knots2.

◆ getNumDeBoorPoints1()

int WBSplineSurface::getNumDeBoorPoints1 ( )

Returns the number of de Boor points in the first direction.

Returns: Number of de Boor points in first direction

Definition at line 144 of file WBSplineSurface.cpp.

References m_numDeBoorPoints1.

◆ getNumDeBoorPoints2()

int WBSplineSurface::getNumDeBoorPoints2 ( )

Returns the number of de Boor points in the second direction.

Returns: Number of de Boor points in second direction

Definition at line 149 of file WBSplineSurface.cpp.

References m_numDeBoorPoints2.

◆ getNumSamplePointsT()

int WBSplineSurface::getNumSamplePointsT ( )

Returns the number of sample points in the first direction that were used for the last call to samplePoints().

Returns: the number of sample points in the first direction that were used for the last call to samplePoints().

Definition at line 174 of file WBSplineSurface.cpp.

References m_numSamplePointsT.

Referenced by WSurface::execute().

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◆ getNumSamplePointsU()

int WBSplineSurface::getNumSamplePointsU ( )

Returns the number of sample points in the second direction that were used for the last call to samplePoints().

Returns: the number of sample points in the second direction that were used for the last call to samplePoints().

Definition at line 179 of file WBSplineSurface.cpp.

References m_numSamplePointsU.

Referenced by WSurface::execute().

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◆ getOrder1()

int WBSplineSurface::getOrder1 ( )

Returns the order of the spline in the first direction.

Returns: The order of the spline in the first direction.

Definition at line 164 of file WBSplineSurface.cpp.

References m_order1.

◆ getOrder2()

int WBSplineSurface::getOrder2 ( )

Returns the order of the spline in the second direction.

Returns: The order of the spline in the second direction.

Definition at line 169 of file WBSplineSurface.cpp.

References m_order2.

◆ samplePoints()

void WBSplineSurface::samplePoints	(	std::vector< WVector3d > *	points,
		double	tResolution,
		double	uResolution
	)

Compute sample points on the spline surface for a given resolution in the two directions.

The sample points are stored in the vector given by the first argument.

Parameters

points	The pointer for returning the sample points.
tResolution	The resolution in the first direction.
uResolution	The resolution in the second direction.

Definition at line 211 of file WBSplineSurface.cpp.

References f(), m_knots1, m_knots2, m_numSamplePointsT, and m_numSamplePointsU.

Referenced by WSurface::execute().

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◆ setDeBoorPoints()

void WBSplineSurface::setDeBoorPoints	(	std::vector< WVector3d >	deBoorPoints,
		int	numDeBoorPoints1,
		int	numDeBoorPoints2
	)

Sets new de Boor points for the splines.

Parameters

deBoorPoints	The new de Boor points for the splines.
numDeBoorPoints1	The number of de Boor points for the spline in the first direction.
numDeBoorPoints2	The number of de Boor points for the spline in the second direction.

Definition at line 184 of file WBSplineSurface.cpp.

References m_deBoorPoints, m_numDeBoorPoints1, and m_numDeBoorPoints2.

◆ setKnots1()

void WBSplineSurface::setKnots1 ( std::vector< double > knots )

Sets new knots for the spline in the first direction.

Parameters

knots The new knots for the spline in the first direction.

Definition at line 191 of file WBSplineSurface.cpp.

References m_knots1.

◆ setKnots2()

void WBSplineSurface::setKnots2 ( std::vector< double > knots )

Sets new knots for the spline in the second direction.

Parameters

knots The new knots for the spline in the second direction.

Definition at line 196 of file WBSplineSurface.cpp.

References m_knots2.

◆ setOrder1()

void WBSplineSurface::setOrder1 ( int order )

Sets a new order for the spline in the first direction.

Parameters

order The new order of the spline in the first direction.

Definition at line 201 of file WBSplineSurface.cpp.

References m_order1.

◆ setOrder2()

void WBSplineSurface::setOrder2 ( int order )

Sets a new order for the spline in the second direction.

Parameters

order The new order of the spline in the second direction.

Definition at line 206 of file WBSplineSurface.cpp.

References m_order2.

Member Data Documentation

◆ m_deBoorPoints

std::vector< WVector3d > WBSplineSurface::m_deBoorPoints

private

The de Boor points of the splines.

Definition at line 209 of file WBSplineSurface.h.

Referenced by f(), getDeBoorPoints(), setDeBoorPoints(), and WBSplineSurface().

◆ m_knots1

std::vector<double> WBSplineSurface::m_knots1

private

The knots of the spline in the first direction.

Definition at line 211 of file WBSplineSurface.h.

Referenced by getKnots1(), samplePoints(), setKnots1(), and WBSplineSurface().

◆ m_knots2

std::vector<double> WBSplineSurface::m_knots2

private

The knots of the spline in the second direction.

Definition at line 212 of file WBSplineSurface.h.

Referenced by getKnots2(), samplePoints(), setKnots2(), and WBSplineSurface().

◆ m_numDeBoorPoints1

int WBSplineSurface::m_numDeBoorPoints1

private

number of de Boor points for the spline in the first direction.

Definition at line 204 of file WBSplineSurface.h.

Referenced by f(), getNumDeBoorPoints1(), setDeBoorPoints(), and WBSplineSurface().

◆ m_numDeBoorPoints2

int WBSplineSurface::m_numDeBoorPoints2

private

number of de Boor points for the spline in the second direction.

Definition at line 205 of file WBSplineSurface.h.

Referenced by f(), getNumDeBoorPoints2(), setDeBoorPoints(), and WBSplineSurface().

◆ m_numSamplePointsT

int WBSplineSurface::m_numSamplePointsT

private

The number of sample points in the first direction that were used for the last call to samplePoints().

Definition at line 206 of file WBSplineSurface.h.

Referenced by getNumSamplePointsT(), and samplePoints().

◆ m_numSamplePointsU

int WBSplineSurface::m_numSamplePointsU

private

The number of sample points in the second direction that were used for the last call to samplePoints().

Definition at line 207 of file WBSplineSurface.h.

Referenced by getNumSamplePointsU(), and samplePoints().

◆ m_order1

int WBSplineSurface::m_order1

private

order for the spline in the first direction.

Definition at line 202 of file WBSplineSurface.h.

Referenced by f(), getOrder1(), setOrder1(), and WBSplineSurface().

◆ m_order2

int WBSplineSurface::m_order2

private

order for the spline in the second direction.

Definition at line 203 of file WBSplineSurface.h.

Referenced by f(), getOrder2(), setOrder2(), and WBSplineSurface().

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

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ WBSplineSurface() [1/2]

◆ WBSplineSurface() [2/2]

◆ ~WBSplineSurface()

Member Function Documentation

◆ f()

◆ getDeBoorPoints()

◆ getKnots1()

◆ getKnots2()

◆ getNumDeBoorPoints1()

◆ getNumDeBoorPoints2()

◆ getNumSamplePointsT()

◆ getNumSamplePointsU()

◆ getOrder1()

◆ getOrder2()

◆ samplePoints()

◆ setDeBoorPoints()

◆ setKnots1()

◆ setKnots2()

◆ setOrder1()

◆ setOrder2()

Member Data Documentation

◆ m_deBoorPoints

◆ m_knots1

◆ m_knots2

◆ m_numDeBoorPoints1

◆ m_numDeBoorPoints2

◆ m_numSamplePointsT

◆ m_numSamplePointsU

◆ m_order1

◆ m_order2