OdGeNurbSurface Class Reference

#include <GeNurbSurface.h>

Inheritance diagram for OdGeNurbSurface:

Public Member Functions
	OdGeNurbSurface ()
	OdGeNurbSurface (int degreeInU, int degreeInV, int propsInU, int propsInV, int numControlPointsInU, int numControlPointsInV, const OdGePoint3dArray &controlPoints, const OdGeDoubleArray &weights, const OdGeKnotVector &uKnots, const OdGeKnotVector &vKnots, const OdGeTol &tol=OdGeContext::gTol)
	OdGeNurbSurface (const OdGeNurbSurface &source)
OdGeNurbSurface &	operator= (const OdGeNurbSurface &nurb)
bool	isRationalInU () const
bool	isPeriodicInU (double &period) const
bool	isRationalInV () const
bool	isPeriodicInV (double &period) const
int	singularityInU () const
int	singularityInV () const
int	degreeInU () const
int	numControlPointsInU () const
int	degreeInV () const
int	numControlPointsInV () const
void	getControlPoints (OdGePoint3dArray &controlPoints) const
bool	getWeights (OdGeDoubleArray &weights) const
int	numKnotsInU () const
void	getUKnots (OdGeKnotVector &uKnots) const
int	numKnotsInV () const
void	getVKnots (OdGeKnotVector &vKnots) const
void	getDefinition (int &degreeInU, int &degreeInV, int &propsInU, int &propsInV, int &numControlPointsInU, int &numControlPointsInV, OdGePoint3dArray &controlPoints, OdGeDoubleArray &weights, OdGeKnotVector &uKnots, OdGeKnotVector &vKnots) const
OdGeNurbSurface &	set (int degreeInU, int degreeInV, int propsInU, int propsInV, int numControlPointsInU, int numControlPointsInV, const OdGePoint3dArray &controlPoints, const OdGeDoubleArray &weights, const OdGeKnotVector &uKnots, const OdGeKnotVector &vKnots, const OdGeTol &tol=OdGeContext::gTol)
OdGeNurbSurface &	setFitData (const OdGePoint3dArray &fitPoints, const OdGeVector3dArray &arrTangentsInU, const OdGeVector3dArray &arrTangentsInV, const OdGeVector3dArray &arrMixedDerivs, const OdGeKnotVector &uKnots, const OdGeKnotVector &vKnots, const OdGeTol &tol)
void	computeVIsoLine (double V, OdGeNurbCurve3d &isoline) const
void	computeUIsoLine (double U, OdGeNurbCurve3d &isoline) const
OdGePoint2d	paramOfPrec (const OdGePoint3d &point, const OdGeTol &tol=OdGeContext::gTol) const
bool	getDerivativesAt (const OdGePoint2d &param, OdUInt32 numDeriv, VectorDerivArray derivatives) const
int	loc (int i, int j) const
Public Member Functions inherited from OdGeSurface
OdGePoint2d	paramOf (const OdGePoint3d &point, const OdGeTol &tol=OdGeContext::gTol) const
	TD_USING (OdGeEntity3d::isOn)
bool	isOn (const OdGePoint3d &point, OdGePoint2d &paramPoint, const OdGeTol &tol=OdGeContext::gTol) const
OdGePoint3d	closestPointTo (const OdGePoint3d &point, const OdGeTol &tol=OdGeContext::gTol) const
void	getClosestPointTo (const OdGePoint3d &point, OdGePointOnSurface &pntOnSurface, const OdGeTol &tol=OdGeContext::gTol) const
double	distanceTo (const OdGePoint3d &point, const OdGeTol &tol=OdGeContext::gTol) const
bool	isNormalReversed () const
OdGeSurface &	reverseNormal ()
void	getEnvelope (OdGeInterval &intrvlU, OdGeInterval &intrvlV) const
bool	isClosedInU (const OdGeTol &tol=OdGeContext::gTol) const
bool	isClosedInV (const OdGeTol &tol=OdGeContext::gTol) const
OdGePoint3d	evalPoint (const OdGePoint2d &param) const
OdGePoint3d	evalPoint (const OdGePoint2d &param, int numDeriv, OdGeVector3dArray &derivatives) const
OdGePoint3d	evalPoint (const OdGePoint2d &param, int numDeriv, OdGeVector3dArray &derivatives, OdGeVector3d &normal) const
OdGeSurface &	operator= (const OdGeSurface &surf)
bool	project (const OdGePoint3d &p, OdGePoint3d &projP, const OdGeTol &tol=OdGeContext::gTol) const
bool	getReparameterization (bool &swapUV, double &uCoeffA, double &vCoeffA, double &uCoeffB, double &vCoeffB) const
void	setReparameterization (bool swapUV=false, double uCoeffA=1., double vCoeffA=1., double uCoeffB=0., double vCoeffB=0.)
void	getImplicitEnvelope (OdGeInterval &implicitIntrvlU, OdGeInterval &implicitIntrvlV) const
bool	setEnvelope (const OdGeInterval &realIntrvlU, const OdGeInterval &realIntrvlV)
Public Member Functions inherited from OdGeEntity3d
	ODRX_HEAP_OPERATORS ()
	~OdGeEntity3d ()
bool	isKindOf (OdGe::EntityId entType) const
OdGe::EntityId	type () const
OdGeEntity3d *	copy () const
OdGeEntity3d &	operator= (const OdGeEntity3d &entity)
bool	operator== (const OdGeEntity3d &entity) const
bool	operator!= (const OdGeEntity3d &entity) const
bool	isEqualTo (const OdGeEntity3d &object, const OdGeTol &tol=OdGeContext::gTol) const
OdGeEntity3d &	transformBy (const OdGeMatrix3d &xfm)
OdGeEntity3d &	translateBy (const OdGeVector3d &translateVec)
OdGeEntity3d &	rotateBy (double angle, const OdGeVector3d &vect, const OdGePoint3d &basePoint=OdGePoint3d::kOrigin)
OdGeEntity3d &	mirror (const OdGePlane &plane)
OdGeEntity3d &	scaleBy (double scaleFactor, const OdGePoint3d &basePoint=OdGePoint3d::kOrigin)
bool	isOn (const OdGePoint3d &point, const OdGeTol &tol=OdGeContext::gTol) const

Protected Member Functions
void	calculateNURBSProperties ()
Protected Member Functions inherited from OdGeSurface
	OdGeSurface ()
	OdGeSurface (const OdGeSurface &surf)
Protected Member Functions inherited from OdGeEntity3d
	OdGeEntity3d ()
	OdGeEntity3d (const OdGeEntity3d &)
void	connectTo (OdGeEntity3dImpl *)

Detailed Description

This class represents non-uniform, rational B-Spline (NURBS) surfaces.

Corresponding C++ library: TD_Ge

<group OdGe_Classes>

See also

<link ge_OdGeNurbSurface.html, Working with NURBS Surfaces>

Definition at line 56 of file GeNurbSurface.h.

Constructor & Destructor Documentation

OdGeNurbSurface() [1/3]

OdGeNurbSurface::OdGeNurbSurface

(

)

Parameters

degreeInU	[in] Degree in the U direction.
degreeInV	[in] Degree in the V direction.
propsInU	[in] Properties in the U direction.
propsInV	[in] Properties in the V direction.
numControlPointsInU	[in] Number of control points in the U direction.
numControlPointsInV	[in] Number of control points in the V direction.
controlPoints	[in] Array of 3D control points.
weights	[in] Array of weights
uKnots	[in] Knot vector in the U direction.
vKnots	[in] Knot vector in the V direction.
tol	[in] Geometric tolerance.
source	[in] Object to be cloned.

Remarks

propsInU and propsInV utilize OdGe::NurbSurfaceProperties values.

OdGeNurbSurface() [2/3]

OdGeNurbSurface::OdGeNurbSurface	(	int	degreeInU,
		int	degreeInV,
		int	propsInU,
		int	propsInV,
		int	numControlPointsInU,
		int	numControlPointsInV,
		const OdGePoint3dArray &	controlPoints,
		const OdGeDoubleArray &	weights,
		const OdGeKnotVector &	uKnots,
		const OdGeKnotVector &	vKnots,
		const OdGeTol &	tol = OdGeContext::gTol
	)

OdGeNurbSurface() [3/3]

OdGeNurbSurface::OdGeNurbSurface

(

const OdGeNurbSurface &

source

)

Member Function Documentation

calculateNURBSProperties()

void OdGeNurbSurface::calculateNURBSProperties ( )

protected

computeUIsoLine()

void OdGeNurbSurface::computeUIsoLine	(	double	U,
		OdGeNurbCurve3d &	isoline
	)		const

Returns the isoline for the specified value of U. Not implemented for third-party use only.

Parameters

V	[in] Value of U.
isoline	[out] Receives the isoline for the specified value of U.

computeVIsoLine()

void OdGeNurbSurface::computeVIsoLine	(	double	V,
		OdGeNurbCurve3d &	isoline
	)		const

Returns the isoline for the specified value of V. Not implemented for third-party use only.

Parameters

V	[in] Value of V.
isoline	[out] Receives the isoline for the specified value of V.

degreeInU()

int OdGeNurbSurface::degreeInU

(

)

const

Desctiption: Returns the degree in the U direction.

degreeInV()

int OdGeNurbSurface::degreeInV

(

)

const

Returns the degree in the V direction.

getControlPoints()

void OdGeNurbSurface::getControlPoints

(

OdGePoint3dArray &

controlPoints

)

const

Returns the array of control points.

Parameters

controlPoints

[out] Receives an array of 3D control points.

getDefinition()

void OdGeNurbSurface::getDefinition	(	int &	degreeInU,
		int &	degreeInV,
		int &	propsInU,
		int &	propsInV,
		int &	numControlPointsInU,
		int &	numControlPointsInV,
		OdGePoint3dArray &	controlPoints,
		OdGeDoubleArray &	weights,
		OdGeKnotVector &	uKnots,
		OdGeKnotVector &	vKnots
	)		const

Returns the data used to define this surface.

Parameters

degreeInU	[out] Receives the Degree in the U direction.
degreeInV	[out] Receives the Degree in the V direction.
propsInU	[out] Receives the properties in the U direction.
propsInV	[out] Receives the properties in the V direction.
numControlPointsInU	[out] Receives the number of control points in the U direction.
numControlPointsInV	[out] Receives the number of control points in the V direction.
controlPoints	[out] Receives an array of 3D control points.
weights	[out] Receives an array of weights
uKnots	[out] Receives the knot vector in the U direction.
vKnots	[out] Receives the knot vector in the V direction.

Remarks

propsInU and propsInV utilize OdGe::NurbSurfaceProperties values.

getDerivativesAt()

bool OdGeNurbSurface::getDerivativesAt	(	const OdGePoint2d &	param,
		OdUInt32	numDeriv,
		VectorDerivArray	derivatives
	)		const

Returns the derivatives at the point specified by param. Not implemented for third-party use only.

Parameters

param	[in] Parameter to be evaluated.
numDeriv	[in] Number of derivatives to be computed.
derivatives	[out] Receives an array of derivatives at the point corresponding to param.

getUKnots()

void OdGeNurbSurface::getUKnots

(

OdGeKnotVector &

uKnots

)

const

Returns the knot vector in the U direction.

Parameters

uKnots

[in] Knot vector in the U direction.

getVKnots()

void OdGeNurbSurface::getVKnots

(

OdGeKnotVector &

vKnots

)

const

Returns the knot vector in the V direction.

Parameters

vKnots

[in] Knot vector in the V direction.

getWeights()

bool OdGeNurbSurface::getWeights

(

OdGeDoubleArray &

weights

)

const

Returns the array of weights.

Parameters

weights

[in] Array of weights

isPeriodicInU()

bool OdGeNurbSurface::isPeriodicInU

(

double &

period

)

const

Returns true if and only if this surface is periodic in the U direction, and returns the period.

Parameters

period

[in] Period.

isPeriodicInV()

bool OdGeNurbSurface::isPeriodicInV

(

double &

period

)

const

Returns true if and only if this surface is periodic in the U direction, and returns the period.

Parameters

period

[in] Period.

isRationalInU()

bool OdGeNurbSurface::isRationalInU

(

)

const

Returns true if and only if this surface is rational in the U direction.

Parameters

tol	[in] Geometric tolerance.

isRationalInV()

bool OdGeNurbSurface::isRationalInV

(

)

const

Returns true if and only if this surface is rational in the V direction.

Parameters

tol	[in] Geometric tolerance.

loc()

int OdGeNurbSurface::loc	(	int	i,
		int	j
	)		const

DOM

numControlPointsInU()

int OdGeNurbSurface::numControlPointsInU

(

)

const

Returns the number of control points in the U direction.

numControlPointsInV()

int OdGeNurbSurface::numControlPointsInV

(

)

const

Returns the number of control points in the V direction.

numKnotsInU()

int OdGeNurbSurface::numKnotsInU

(

)

const

Returns the number of knots in the U direction.

numKnotsInV()

int OdGeNurbSurface::numKnotsInV

(

)

const

Returns the number of knots in the V direction.

operator=()

OdGeNurbSurface& OdGeNurbSurface::operator=

(

const OdGeNurbSurface &

nurb

)

paramOfPrec()

OdGePoint2d OdGeNurbSurface::paramOfPrec	(	const OdGePoint3d &	point,
		const OdGeTol &	tol = OdGeContext::gTol
	)		const

Returns the 2D pair of parameter values of a point on this surface.

Parameters

point	[in] Point to be evaluated.
tol	[in] Geometric tolerance.

Remarks

The returned parameters specify a point within tol of point. If point is not on this surface, the results are unpredictable. If you are not sure the point is on this surface, use isOn() instead of this function. This method is slower than paramOf, but more accurate.

set()

OdGeNurbSurface& OdGeNurbSurface::set	(	int	degreeInU,
		int	degreeInV,
		int	propsInU,
		int	propsInV,
		int	numControlPointsInU,
		int	numControlPointsInV,
		const OdGePoint3dArray &	controlPoints,
		const OdGeDoubleArray &	weights,
		const OdGeKnotVector &	uKnots,
		const OdGeKnotVector &	vKnots,
		const OdGeTol &	tol = OdGeContext::gTol
	)

Sets the parameters for this spline according to the arguments, and returns a reference to this spline.

Parameters

degreeInU	[in] Degree in the U direction.
degreeInV	[in] Degree in the V direction.
propsInU	[in] Properties in the U direction.
propsInV	[in] Properties in the V direction.
numControlPointsInU	[in] Number of control points in the U direction.
numControlPointsInV	[in] Number of control points in the V direction.
controlPoints	[in] Array of 3D control points.
weights	[in] Array of weights
uKnots	[in] Knot vector in the U direction.
vKnots	[in] Knot vector in the V direction.
tol	[in] Geometric tolerance.
source	[in] Object to be cloned.

Remarks

propsInU and propsInV utilize OdGe::NurbSurfaceProperties values.

setFitData()

OdGeNurbSurface& OdGeNurbSurface::setFitData	(	const OdGePoint3dArray &	fitPoints,
		const OdGeVector3dArray &	arrTangentsInU,
		const OdGeVector3dArray &	arrTangentsInV,
		const OdGeVector3dArray &	arrMixedDerivs,
		const OdGeKnotVector &	uKnots,
		const OdGeKnotVector &	vKnots,
		const OdGeTol &	tol
	)

singularityInU()

int OdGeNurbSurface::singularityInU

(

)

const

Returns a description of the singularity in the U direction:

Remarks

singularityInU utilizes OdGe::NurbSurfaceProperties values.

singularityInV()

int OdGeNurbSurface::singularityInV

(

)

const

Returns a description of the singularity in the V direction:

Remarks

singularityInV utilizes OdGe::NurbSurfaceProperties values.

---

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

• GeNurbSurface.h