#include <GeNurbCurve3d.h>

Inheritance diagram for OdGeNurbCurve3d:

Public Member Functions
	OdGeNurbCurve3d ()

	OdGeNurbCurve3d (const OdGeNurbCurve3d &source)

	OdGeNurbCurve3d (int degree, const OdGeKnotVector &knots, const OdGePoint3dArray &controlPoints, bool isPeriodic=false)

	OdGeNurbCurve3d (int degree, const OdGeKnotVector &knots, const OdGePoint3dArray &controlPoints, const OdGeDoubleArray &weights, bool isPeriodic=false)

	OdGeNurbCurve3d (int degree, const OdGeKnotVector &knots, const OdGePoint3d controlPoints, OdUInt32 numControlPoints, const double weights, OdUInt32 numWeights, bool isPeriodic=false)

	OdGeNurbCurve3d (int degree, const OdGePolyline3d &fitPolyline, bool isPeriodic=false)

	OdGeNurbCurve3d (const OdGePoint3dArray &fitPoints, const OdGeVector3d &startTangent, const OdGeVector3d &endTangent, bool startTangentDefined=true, bool endTangentDefined=true, const OdGeTol &fitTol=OdGeContext::gTol)

	OdGeNurbCurve3d (const OdGePoint3dArray &fitPoints, const OdGeTol &fitTolerance=OdGeContext::gTol)

	OdGeNurbCurve3d (const OdGePoint3dArray &fitPoints, const OdGeVector3dArray &fitTangents, const OdGeTol &fitTolerance=OdGeContext::gTol, bool isPeriodic=false)

	OdGeNurbCurve3d (const OdGePoint3dArray &fitPoints, const OdGeVector3d &startTangent, const OdGeVector3d &endTangent, bool startTangentDefined, bool endTangentDefined, OdGeKnotParameterization knotParam, const OdGeTol &fitTolerance=OdGeContext::gTol)

	OdGeNurbCurve3d (const OdGeEllipArc3d &ellipse, int numSpans=0)

	OdGeNurbCurve3d (const OdGeLineSeg3d &lineSeg)

int	numFitPoints () const

bool	getFitKnotParameterization (OdGeKnotParameterization &knotParam) const

bool	getFitPointAt (int fitPointIndex, OdGePoint3d &point) const

bool	getFitTolerance (OdGeTol &fitTolerance) const

bool	getFitTangents (OdGeVector3d &startTangent, OdGeVector3d &endTangent) const

bool	getFitTangents (OdGeVector3d &startTangent, OdGeVector3d &endTangent, bool &startTangentDefined, bool &endTangentDefined) const

bool	getFitData (OdGePoint3dArray &fitPoints, OdGeTol &fitTolerance, bool &tangentsExist, OdGeVector3d &startTangent, OdGeVector3d &endTangent) const

bool	getFitData (OdGePoint3dArray &fitPoints, OdGeTol &fitTolerance, bool &tangentsExist, OdGeVector3d &startTangent, OdGeVector3d &endTangent, OdGeKnotParameterization &knotParam) const

void	getDefinitionData (int &degree, bool &rational, bool &periodic, OdGeKnotVector &knots, OdGePoint3dArray &controlPoints, OdGeDoubleArray &weights) const

int	numWeights () const

double	weightAt (int weightIndex) const

bool	evalMode () const

bool	getParamsOfC1Discontinuity (OdGeDoubleArray &params, const OdGeTol &tol=OdGeContext::gTol) const

bool	getParamsOfG1Discontinuity (OdGeDoubleArray &params, const OdGeTol &tol=OdGeContext::gTol) const

bool	setFitPointAt (int fitPointIndex, const OdGePoint3d &point)

bool	addFitPointAt (int fitPointIndex, const OdGePoint3d &point)

bool	addControlPointAt (double newKnot, const OdGePoint3d &point, double weight=1.0)

bool	deleteControlPointAt (int index)

bool	deleteFitPointAt (int fitPointIndex)

bool	setFitKnotParameterization (OdGeKnotParameterization knotParam)

bool	setFitTolerance (const OdGeTol &fitTol=OdGeContext::gTol)

bool	setFitTangents (const OdGeVector3d &startTangent, const OdGeVector3d &endTangent)

bool	setFitTangents (const OdGeVector3d &startTangent, const OdGeVector3d &endTangent, bool startTangentDefined, bool endTangentDefined)

OdGeNurbCurve3d &	setFitData (const OdGePoint3dArray &fitPoints, const OdGeVector3d &startTangent, const OdGeVector3d &endTangent, const OdGeTol &fitTol=OdGeContext::gTol)

OdGeNurbCurve3d &	setFitData (const OdGeKnotVector &fitKnots, const OdGePoint3dArray &fitPoints, const OdGeVector3d &startTangent, const OdGeVector3d &endTangent, const OdGeTol &fitTol=OdGeContext::gTol, bool isPeriodic=false)

OdGeNurbCurve3d &	setFitData (int degree, const OdGePoint3dArray &fitPoints, const OdGeTol &fitTol=OdGeContext::gTol)

OdGeNurbCurve3d &	setFitData (const OdGePoint3dArray &fitPoints, const OdGeVector3d &startTangent, const OdGeVector3d &endTangent, OdGeKnotParameterization knotParam, const OdGeTol &fitTol=OdGeContext::gTol)

bool	purgeFitData ()

OdGeNurbCurve3d &	addKnot (double newKnot)

OdGeNurbCurve3d &	insertKnot (double newKnot)

OdGeSplineEnt3d &	setWeightAt (int fitPointIndex, double weight)

OdGeNurbCurve3d &	setEvalMode (bool evalMode=false)

OdGeNurbCurve3d &	joinWith (const OdGeNurbCurve3d &curve)

OdGeNurbCurve3d &	hardTrimByParams (double newStartParam, double newEndParam)

OdGeNurbCurve3d &	makeRational (double weight=1.0)

OdGeNurbCurve3d &	makeClosed ()

OdGeNurbCurve3d &	makePeriodic ()

OdGeNurbCurve3d &	makeNonPeriodic ()

OdGeNurbCurve3d &	makeOpen ()

OdGeNurbCurve3d &	elevateDegree (int plusDegree)

OdGeNurbCurve3d &	operator= (const OdGeNurbCurve3d &spline)

	TD_USING (OdGeSplineEnt3d::evalPoint)

OdGePoint3d	evalPoint (double param, int hint) const

void	evalPointDivider (double param, OdGePoint3d &point, double &divider, int hint) const

void	set (int degree, const OdGeKnotVector &knots, const OdGePoint3dArray &controlPoints, const OdGeDoubleArray &weights, bool isPeriodic=false)

bool	buildFitData (OdGeKnotParameterization knotParam=OdGe::kChord)

Public Member Functions inherited from OdGeSplineEnt3d
bool	isRational () const

int	degree () const

int	order () const

int	numKnots () const

const OdGeKnotVector &	knots () const

int	numControlPoints () const

int	continuityAtKnot (int index, const OdGeTol &tol=OdGeContext::gTol) const

double	startParam () const

double	endParam () const

OdGePoint3d	startPoint () const

OdGePoint3d	endPoint () const

bool	hasFitData () const

double	knotAt (int knotIndex) const

OdGeSplineEnt3d &	setKnotAt (int knotIndex, double val)

OdGePoint3d	controlPointAt (int controlPointIndex) const

OdGeSplineEnt3d &	setControlPointAt (int controlPointIndex, const OdGePoint3d &point)

OdGeSplineEnt3d &	operator= (const OdGeSplineEnt3d &spline)

Public Member Functions inherited from OdGeCurve3d
void	getInterval (OdGeInterval &interval) const

void	getInterval (OdGeInterval &interval, OdGePoint3d &start, OdGePoint3d &end) const

OdGeCurve3d &	reverseParam ()

OdGeCurve3d &	setInterval ()

bool	setInterval (const OdGeInterval &interval)

double	distanceTo (const OdGePoint3d &point, const OdGeTol &tol=OdGeContext::gTol) const

double	distanceTo (const OdGeCurve3d &curve, const OdGeTol &tol=OdGeContext::gTol) const

OdGePoint3d	closestPointTo (const OdGePoint3d &point, const OdGeTol &tol=OdGeContext::gTol) const

OdGePoint3d	closestPointTo (const OdGeCurve3d &curve, OdGePoint3d &pntOnOtherCrv, const OdGeTol &tol=OdGeContext::gTol) const

void	getClosestPointTo (const OdGePoint3d &point, OdGePointOnCurve3d &pntOnCrv, const OdGeTol &tol=OdGeContext::gTol) const

void	getClosestPointTo (const OdGeCurve3d &curve, OdGePointOnCurve3d &pntOnThisCrv, OdGePointOnCurve3d &pntOnOtherCrv, const OdGeTol &tol=OdGeContext::gTol) const

OdGePoint3d	projClosestPointTo (const OdGePoint3d &point, const OdGeVector3d &projectDirection, const OdGeTol &tol=OdGeContext::gTol) const

OdGePoint3d	projClosestPointTo (const OdGeCurve3d &curve, const OdGeVector3d &projectDirection, OdGePoint3d &pntOnOtherCrv, const OdGeTol &tol=OdGeContext::gTol) const

void	getProjClosestPointTo (const OdGePoint3d &point, const OdGeVector3d &projectDirection, OdGePointOnCurve3d &pntOnCrv, const OdGeTol &tol=OdGeContext::gTol) const

void	getProjClosestPointTo (const OdGeCurve3d &curve, const OdGeVector3d &projectDirection, OdGePointOnCurve3d &pntOnThisCrv, OdGePointOnCurve3d &pntOnOtherCrv, const OdGeTol &tol=OdGeContext::gTol) const

bool	getNormalPoint (const OdGePoint3d &point, OdGePointOnCurve3d &pntOnCrv, const OdGeTol &tol=OdGeContext::gTol) const

OdGeBoundBlock3d	boundBlock () const

OdGeBoundBlock3d	boundBlock (const OdGeInterval &range) const

OdGeBoundBlock3d	orthoBoundBlock () const

OdGeBoundBlock3d	orthoBoundBlock (const OdGeInterval &range) const

OdGeEntity3d *	project (const OdGePlane &projectionPlane, const OdGeVector3d &projectDirection, const OdGeTol &tol=OdGeContext::gTol) const

OdGeEntity3d *	orthoProject (const OdGePlane &projectionPlane, const OdGeTol &tol=OdGeContext::gTol) const

	TD_USING (OdGeEntity3d::isOn)

bool	isOn (const OdGePoint3d &point, double &param, const OdGeTol &tol=OdGeContext::gTol) const

bool	isOn (double param, const OdGeTol &tol=OdGeContext::gTol) const

double	paramOf (const OdGePoint3d &point, const OdGeTol &tol=OdGeContext::gTol) const

void	getTrimmedOffset (double distance, const OdGeVector3d &planeNormal, OdGeCurve3dPtrArray &offsetCurveList, OdGe::OffsetCrvExtType extensionType=OdGe::kFillet, const OdGeTol &tol=OdGeContext::gTol) const

bool	isClosed (const OdGeTol &tol=OdGeContext::gTol) const

bool	isPlanar (OdGePlane &plane, const OdGeTol &tol=OdGeContext::gTol) const

bool	isLinear (OdGeLine3d &line, const OdGeTol &tol=OdGeContext::gTol) const

bool	isCoplanarWith (const OdGeCurve3d &curve, OdGePlane &plane, const OdGeTol &tol=OdGeContext::gTol) const

bool	isPeriodic (double &period) const

double	length (double fromParam, double toParam, double tol=OdGeContext::gTol.equalPoint()) const

double	length (double tol=OdGeContext::gTol.equalPoint()) const

double	paramAtLength (double datumParam, double length, bool posParamDir=true, double tol=OdGeContext::gTol.equalPoint()) const

bool	area (double startParam, double endParam, double &value, const OdGeTol &tol=OdGeContext::gTol) const

bool	isDegenerate (OdGe::EntityId &degenerateType, const OdGeTol &tol=OdGeContext::gTol) const

bool	isDegenerate (OdGeEntity3d *&pConvertedEntity, const OdGeTol &tol=OdGeContext::gTol) const

void	getSplitCurves (double param, OdGeCurve3d &piece1, OdGeCurve3d &piece2) const

bool	explode (OdGeCurve3dPtrArray &explodedCurves, OdGeIntArray &newExplodedCurves, const OdGeInterval *pInterval=NULL) const

void	getLocalClosestPoints (const OdGePoint3d &point, OdGePointOnCurve3d &approxPntOnThisCrv, const OdGeInterval *pInterval1=NULL, const OdGeTol &tol=OdGeContext::gTol) const

void	getLocalClosestPoints (const OdGeCurve3d &curve, OdGePointOnCurve3d &approxPntOnThisCrv, OdGePointOnCurve3d &approxPntOnOtherCrv, const OdGeInterval pInterval1=NULL, const OdGeInterval pInterval2=NULL, const OdGeTol &tol=OdGeContext::gTol) const

bool	hasStartPoint (OdGePoint3d &startPoint) const

bool	hasEndPoint (OdGePoint3d &endPoint) const

OdGePoint3d	evalPoint (double param) const

OdGePoint3d	evalPoint (double param, int numDeriv, OdGeVector3dArray &derivatives) const

void	getSamplePoints (double fromParam, double toParam, double approxEps, OdGePoint3dArray &pointArray, OdGeDoubleArray &paramArray, bool forceResampling=false) const

void	getSamplePoints (int numSample, OdGePoint3dArray &pointArray) const

void	getSamplePoints (int numSample, OdGePoint3dArray &pointArray, OdGeDoubleArray &paramArray) const

OdGeCurve3d &	operator= (const OdGeCurve3d &curve)

void	getSamplePoints (double fromParam, double toParam, double approxEps, OdGePoint3dArray &pointArray, OdGeDoubleArray *paramArray=NULL) const

void	getSamplePoints (const OdGeInterval paramInterval, double approxEps, OdGePoint3dArray &pointArray, OdGeDoubleArray pParamArray=NULL) const

void	appendSamplePoints (double fromParam, double toParam, double approxEps, OdGePoint3dArray &pointArray, OdGeDoubleArray *pParamArray=NULL) const

void	appendSamplePoints (int numSample, OdGePoint3dArray &pointArray, OdGeDoubleArray *pParamArray=NULL) const

void	appendSamplePoints (const OdGeInterval paramInterval, double approxEps, OdGePoint3dArray &pointArray, OdGeDoubleArray pParamArray=NULL) const

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
bool	modifyPositionAndTangent (double param, const OdGePoint3d &point, const OdGeVector3d *deriv)

void	makeClosedFit ()

void	setData (int degree, const OdGePoint3dArray &controlPoints, const OdGeKnotVector &knots, const OdGeDoubleArray &weights, const OdGePoint3dArray &fitPoints, const OdGeVector3d &startTangent, const OdGeVector3d &endTangent, bool isStartTangentDefined, bool isEndTangentDefined, bool isPeriodic, const OdGeTol &fitTol)

void	setKnotTolerance (double tol)

Protected Member Functions inherited from OdGeSplineEnt3d
	OdGeSplineEnt3d ()

	OdGeSplineEnt3d (const OdGeSplineEnt3d &)

Protected Member Functions inherited from OdGeCurve3d
	OdGeCurve3d ()

	OdGeCurve3d (const OdGeCurve3d &source)

Protected Member Functions inherited from OdGeEntity3d
	OdGeEntity3d ()

	OdGeEntity3d (const OdGeEntity3d &)

void	connectTo (OdGeEntity3dImpl *)

Detailed Description

This class represents non-uniform rational B-splines (NURBS) in 3D space.

Corresponding C++ library: TD_Ge

See also: <link ge_OdGeNurbCurve3d.html, Working with NURBS Curves>

Definition at line 48 of file GeNurbCurve3d.h.

Constructor & Destructor Documentation

◆ OdGeNurbCurve3d() [1/12]

OdGeNurbCurve3d::OdGeNurbCurve3d ( )

Parameters

degree	[in] Degree of spline.
knots	[in] Knot vector.
controlPoints	[in] Array of 3D control points.
weights	[in] Array of weights
isPeriodic	[in] True if and only if this spline is to be periodic.
fitPoints	[in] Interpolation points.
fitTol	[in] Geometric tolerance.
ellipse	[in] Any elliptical arc.
numSpans	[in] Number of knot spans in the curve.
lineSeg	[in] Any 3D line segment.
startTangent	[in] Starting tangent.
endTangent	[in] Ending tangent.
startTangentDefined	[in] If true, startTangent is used.
endTangentDefined	[in] If true, endTangent is used.
source	[in] Object to be cloned.
numControlPoints	[in] Number of control points.
numWeights	[in] Number of weights.

Remarks: If weights is not specified, a non-rational spline is constructed. If weights is specified, then a rational spline is constructed, and controlPoints.length() must equal weights.length() If isPeriodic is true, the constructor forces makeClosed functionality(if the curve is open, it will be closed inside constructor) and the first and last weights (if provided) must be equal. If ellipse is specified, a curve identical to the ellipse is created. If lineSeg is specified, a curve identical to the line segment is created.

◆ OdGeNurbCurve3d() [2/12]

OdGeNurbCurve3d::OdGeNurbCurve3d ( const OdGeNurbCurve3d & source )

◆ OdGeNurbCurve3d() [3/12]

OdGeNurbCurve3d::OdGeNurbCurve3d	(	int	degree,
		const OdGeKnotVector &	knots,
		const OdGePoint3dArray &	controlPoints,
		bool	isPeriodic = `false`
	)

◆ OdGeNurbCurve3d() [4/12]

OdGeNurbCurve3d::OdGeNurbCurve3d	(	int	degree,
		const OdGeKnotVector &	knots,
		const OdGePoint3dArray &	controlPoints,
		const OdGeDoubleArray &	weights,
		bool	isPeriodic = `false`
	)

◆ OdGeNurbCurve3d() [5/12]

OdGeNurbCurve3d::OdGeNurbCurve3d	(	int	degree,
		const OdGeKnotVector &	knots,
		const OdGePoint3d *	controlPoints,
		OdUInt32	numControlPoints,
		const double *	weights,
		OdUInt32	numWeights,
		bool	isPeriodic = `false`
	)

◆ OdGeNurbCurve3d() [6/12]

OdGeNurbCurve3d::OdGeNurbCurve3d	(	int	degree,
		const OdGePolyline3d &	fitPolyline,
		bool	isPeriodic = `false`
	)

◆ OdGeNurbCurve3d() [7/12]

OdGeNurbCurve3d::OdGeNurbCurve3d	(	const OdGePoint3dArray &	fitPoints,
		const OdGeVector3d &	startTangent,
		const OdGeVector3d &	endTangent,
		bool	startTangentDefined = `true`,
		bool	endTangentDefined = `true`,
		const OdGeTol &	fitTol = `OdGeContext::gTol`
	)

◆ OdGeNurbCurve3d() [8/12]

OdGeNurbCurve3d::OdGeNurbCurve3d	(	const OdGePoint3dArray &	fitPoints,
		const OdGeTol &	fitTolerance = `OdGeContext::gTol`
	)

◆ OdGeNurbCurve3d() [9/12]

OdGeNurbCurve3d::OdGeNurbCurve3d	(	const OdGePoint3dArray &	fitPoints,
		const OdGeVector3dArray &	fitTangents,
		const OdGeTol &	fitTolerance = `OdGeContext::gTol`,
		bool	isPeriodic = `false`
	)

◆ OdGeNurbCurve3d() [10/12]

OdGeNurbCurve3d::OdGeNurbCurve3d	(	const OdGePoint3dArray &	fitPoints,
		const OdGeVector3d &	startTangent,
		const OdGeVector3d &	endTangent,
		bool	startTangentDefined,
		bool	endTangentDefined,
		OdGeKnotParameterization	knotParam,
		const OdGeTol &	fitTolerance = `OdGeContext::gTol`
	)

◆ OdGeNurbCurve3d() [11/12]

OdGeNurbCurve3d::OdGeNurbCurve3d	(	const OdGeEllipArc3d &	ellipse,
		int	numSpans = `0`
	)

◆ OdGeNurbCurve3d() [12/12]

OdGeNurbCurve3d::OdGeNurbCurve3d ( const OdGeLineSeg3d & lineSeg )

Member Function Documentation

◆ addControlPointAt()

bool OdGeNurbCurve3d::addControlPointAt	(	double	newKnot,
		const OdGePoint3d &	point,
		double	weight = `1.0`
	)

Adds a control point at the specified knot.

Parameters

newKnot	[in] The knot parameter to add the control point at.
point	[in] Coordinates of the control point to be added.
weight	[in] The weight to be assigned to the control point.

Remarks

When called for a non-rational spline, weight is ignored.

  \returns

Returns true if the control point has successfully been added and false otherwise.

◆ addFitPointAt()

bool OdGeNurbCurve3d::addFitPointAt	(	int	fitPointIndex,
		const OdGePoint3d &	point
	)

Returns true if and only if this spline was created with fit data, and inserts the fit point at the specified index.

Parameters

fitPointIndex	[in] Fit point index.
point	[in] Fit point.

◆ addKnot()

OdGeNurbCurve3d& OdGeNurbCurve3d::addKnot ( double newKnot )

Adds new knot to the spline knot array and returns reference to this spline object.

Parameters

newKnot [in] New knot.

◆ buildFitData()

bool OdGeNurbCurve3d::buildFitData ( OdGeKnotParameterization knotParam = OdGe::kChord )

Calculates fit data for the spline constructed by control points.

Remarks: Currently the method calculates fit data only for NURB curves of degree less than or equal to three.

Returns: Returns true if and only if fit data have successfully been calculated.

◆ deleteControlPointAt()

bool OdGeNurbCurve3d::deleteControlPointAt ( int index )

Deletes a control point at the specified index.

Parameters

index

[in] The index of the control point to be deleted.

  \returns

Returns true if the control point has successfully been deleted and false otherwise.

◆ deleteFitPointAt()

bool OdGeNurbCurve3d::deleteFitPointAt ( int fitPointIndex )

Removes a fit point with the specified index. The index must be greater than or equal to 0 and less than or equal to the number of fit points.

Parameters

index [in] The index of fit point that is to be removed.

Returns: Returns true if the fit point is successfully deleted and false otherwise.

◆ elevateDegree()

OdGeNurbCurve3d& OdGeNurbCurve3d::elevateDegree ( int plusDegree )

Increases spline degree by the specified value and returns a reference to this spline object.

Parameters

plusDegree [in] Degree increment value.

◆ evalMode()

bool OdGeNurbCurve3d::evalMode ( ) const

Returns the current evaluation mode.

Remarks: Currently not implemented.

◆ evalPoint()

OdGePoint3d OdGeNurbCurve3d::evalPoint	(	double	param,
		int	hint
	)		const

DOM

◆ evalPointDivider()

void OdGeNurbCurve3d::evalPointDivider	(	double	param,
		OdGePoint3d &	point,
		double &	divider,
		int	hint
	)		const

DOM

◆ getDefinitionData()

void OdGeNurbCurve3d::getDefinitionData	(	int &	degree,
		bool &	rational,
		bool &	periodic,
		OdGeKnotVector &	knots,
		OdGePoint3dArray &	controlPoints,
		OdGeDoubleArray &	weights
	)		const

Returns the data used to define this spline.

Parameters

degree	[out] Receives the degree of spline.
periodic	[out] Receives true if and only if this spline is periodic.
rational	[out] Receives true if and only if this spline is rational.
knots	[out] Receives the knot vector.
controlPoints	[out] Receives an array of 3D control points.
weights	[out] Receives an array of weights

Remarks: The weights array will be empty if the spline is not rational.

◆ getFitData() [1/2]

bool OdGeNurbCurve3d::getFitData	(	OdGePoint3dArray &	fitPoints,
		OdGeTol &	fitTolerance,
		bool &	tangentsExist,
		OdGeVector3d &	startTangent,
		OdGeVector3d &	endTangent
	)		const

Returns true if and only if this spline was constructed with fit data, and returns all the fit data used to construct this spline.

Parameters

fitPoints	[out] Receives the onterpolation points.
fitTolerance	[out] Receives the geometric tolerance.
tangentsExist	[out] Receives true if and only if tangents were used in constructing this spline.
startTangent	[out] Receives the starting tangent
endTangent	[out] Receives the ending tangent.

Remarks: startTangent and endTangent are meaningful if and only if tangentsExist == true.

◆ getFitData() [2/2]

bool OdGeNurbCurve3d::getFitData	(	OdGePoint3dArray &	fitPoints,
		OdGeTol &	fitTolerance,
		bool &	tangentsExist,
		OdGeVector3d &	startTangent,
		OdGeVector3d &	endTangent,
		OdGeKnotParameterization &	knotParam
	)		const

Returns true if and only if this spline was constructed with fit data, and returns all the fit data used to construct this spline.

Parameters

fitPoints	[out] Receives the onterpolation points.
fitTolerance	[out] Receives the geometric tolerance.
tangentsExist	[out] Receives true if and only if tangents were used in constructing this spline.
startTangent	[out] Receives the starting tangent
endTangent	[out] Receives the ending tangent.
knotParam	[out] Receives the knot parameterization.

Remarks: startTangent and endTangent are meaningful if and only if tangentsExist == true.

◆ getFitKnotParameterization()

bool OdGeNurbCurve3d::getFitKnotParameterization ( OdGeKnotParameterization & knotParam ) const

Gets the knot parametrization of the spline created with fit points and returns true if successful.

Parameters

knotParam [out] Receives the knot parametrization.

◆ getFitPointAt()

bool OdGeNurbCurve3d::getFitPointAt	(	int	fitPointIndex,
		OdGePoint3d &	point
	)		const

Returns true if and only if 0 <= index < numFitPoints(), and returns the fit point at the specified index.

Parameters

fitPointIndex	[in] Fit point index.
point	[out] Receives the fit point.

◆ getFitTangents() [1/2]

bool OdGeNurbCurve3d::getFitTangents	(	OdGeVector3d &	startTangent,
		OdGeVector3d &	endTangent
	)		const

Descripton: Returns true if and only if this spline was constructed with fit data, and returns the starting and ending tangents.

Parameters

startTangent	[out] Receives the starting tangent
endTangent	[out] Receives the ending tangent.

◆ getFitTangents() [2/2]

bool OdGeNurbCurve3d::getFitTangents	(	OdGeVector3d &	startTangent,
		OdGeVector3d &	endTangent,
		bool &	startTangentDefined,
		bool &	endTangentDefined
	)		const

Descripton: Returns true if and only if this spline was constructed with fit data, and returns the starting and ending tangents.

Parameters

startTangent	[out] Receives the starting tangent
endTangent	[out] Receives the ending tangent.
startTangentDefined	[out] Receives the if true, startTangent was used.
endTangentDefined	[out] Receives the if true, endTangent was used.

◆ getFitTolerance()

bool OdGeNurbCurve3d::getFitTolerance ( OdGeTol & fitTolerance ) const

Returns true if and only if this spline was constructed with fit points, and gets the fit tolerance that is used to construct this spline.

Parameters

fitTolerance [out] Recieves the geometric tolerance.

◆ getParamsOfC1Discontinuity()

bool OdGeNurbCurve3d::getParamsOfC1Discontinuity	(	OdGeDoubleArray &	params,
		const OdGeTol &	tol = `OdGeContext::gTol`
	)		const

Remarks: Currently not implemented.

◆ getParamsOfG1Discontinuity()

bool OdGeNurbCurve3d::getParamsOfG1Discontinuity	(	OdGeDoubleArray &	params,
		const OdGeTol &	tol = `OdGeContext::gTol`
	)		const

Remarks: Currently not implemented.

◆ hardTrimByParams()

OdGeNurbCurve3d& OdGeNurbCurve3d::hardTrimByParams	(	double	newStartParam,
		double	newEndParam
	)

Trims the spline by the new start and end parameters, and returns a reference to the recalculated spline.

Parameters

newStartParam	[in] New start parameter.
newEndParam	[in] New end parameter.

◆ insertKnot()

OdGeNurbCurve3d& OdGeNurbCurve3d::insertKnot ( double newKnot )

Inserts new knot to the spline knot array and returns reference to this spline object. If there is already such knot, then the multiplicity of the knot is increased by 1.

Parameters

newKnot [in] New knot.

◆ joinWith()

OdGeNurbCurve3d& OdGeNurbCurve3d::joinWith ( const OdGeNurbCurve3d & curve )

Joins the specified spline with this spline and returns a reference to the recomputed spline. Both splines must be open and the start point of the input spline must be equal to the endpoint of the initial spline.

Parameters

curve [in] Spline to be joined with this spline.

◆ makeClosed()

OdGeNurbCurve3d& OdGeNurbCurve3d::makeClosed ( )

Makes the opened spline closed, and returns a reference to this spline. Closed spline is made by creating a smooth spline between the first and the end points and joining it with the initial spline.

Remarks: If this spline is already closed, then the method does nothing.

◆ makeClosedFit()

void OdGeNurbCurve3d::makeClosedFit ( )

protected

◆ makeNonPeriodic()

OdGeNurbCurve3d& OdGeNurbCurve3d::makeNonPeriodic ( )

Makes periodic spline non-periodic.

Remarks: Currently not implemented.

◆ makeOpen()

OdGeNurbCurve3d& OdGeNurbCurve3d::makeOpen ( )

Makes closed spline open.

Remarks: Currently not implemented.

◆ makePeriodic()

OdGeNurbCurve3d& OdGeNurbCurve3d::makePeriodic ( )

Makes non-periodic spline periodic.

Remarks: Currently not implemented.

◆ makeRational()

OdGeNurbCurve3d& OdGeNurbCurve3d::makeRational ( double weight = 1.0 )

Makes this spline rational (if it is not), and returns a reference to this spline.

Parameters

weight [in] Weight to be applied to each control point.

Remarks: If this spline was already rational, the weight at each control point is multiplied by the specified weight.

◆ modifyPositionAndTangent()

bool OdGeNurbCurve3d::modifyPositionAndTangent	(	double	param,
		const OdGePoint3d &	point,
		const OdGeVector3d *	deriv
	)

protected

Modifies the position and tangent of the point with a specified parameter.

Parameters

param	[in] Parameter value of the point.
point	[in] New position of the point.
deriv	[in] New value of the tangent vector at the point.

Returns: Returns true if and only if the point has successfully been adjusted.

◆ numFitPoints()

int OdGeNurbCurve3d::numFitPoints ( ) const

Returns the number of fit points.

◆ numWeights()

int OdGeNurbCurve3d::numWeights ( ) const

Returns the number of weights in the spline.

Remarks: Returns numCurves() if this spline is rational, 0 if it is not.

◆ operator=()

OdGeNurbCurve3d& OdGeNurbCurve3d::operator= ( const OdGeNurbCurve3d & spline )

◆ purgeFitData()

bool OdGeNurbCurve3d::purgeFitData ( )

Purges the fit data defining this spline.

Remarks: The fit data consists of the fit points, fit tolerance, start tangent, and end tangent.

◆ set()

void OdGeNurbCurve3d::set	(	int	degree,
		const OdGeKnotVector &	knots,
		const OdGePoint3dArray &	controlPoints,
		const OdGeDoubleArray &	weights,
		bool	isPeriodic = `false`
	)

Sets the parameters for this spline according to the arguments.

Parameters

degree	[in] Degree of spline.
knots	[in] Knot vector.
controlPoints	[in] Array of 3D control points.
weights	[in] Array of weights
isPeriodic	[in] True if and only if this spline is to be periodic.

Returns: Returns a reference to this spline.

A rational spline is constructed, and controlPoints.length() must equal weights.length() If isPeriodic is false, then knots.length() must equal controlPoints.length() + degree + 1 If isPeriodic is true, then knots.length() must equal controlPoints.length(), the first and last controlPoints must be equal and the first and last weights (if provided) must be equal.

◆ setData()

void OdGeNurbCurve3d::setData	(	int	degree,
		const OdGePoint3dArray &	controlPoints,
		const OdGeKnotVector &	knots,
		const OdGeDoubleArray &	weights,
		const OdGePoint3dArray &	fitPoints,
		const OdGeVector3d &	startTangent,
		const OdGeVector3d &	endTangent,
		bool	isStartTangentDefined,
		bool	isEndTangentDefined,
		bool	isPeriodic,
		const OdGeTol &	fitTol
	)

protected

◆ setEvalMode()

OdGeNurbCurve3d& OdGeNurbCurve3d::setEvalMode ( bool evalMode = false )

Sets the evaluation mode.

Remarks: Currently not implemented.

◆ setFitData() [1/4]

OdGeNurbCurve3d& OdGeNurbCurve3d::setFitData	(	const OdGeKnotVector &	fitKnots,
		const OdGePoint3dArray &	fitPoints,
		const OdGeVector3d &	startTangent,
		const OdGeVector3d &	endTangent,
		const OdGeTol &	fitTol = `OdGeContext::gTol`,
		bool	isPeriodic = `false`
	)

Sets the fit data for this spline.

Parameters

fitPoints	[in] Interpolation points.
fitTol	[in] Geometric tolerance.
startTangent	[in] Starting tangent.
endTangent	[in] Ending tangent.
fitKnots	[in] Fit knots.

Remarks: The signature with fitKnots parameter currently is not implemented.

◆ setFitData() [2/4]

OdGeNurbCurve3d& OdGeNurbCurve3d::setFitData	(	const OdGePoint3dArray &	fitPoints,
		const OdGeVector3d &	startTangent,
		const OdGeVector3d &	endTangent,
		const OdGeTol &	fitTol = `OdGeContext::gTol`
	)

Sets the fit data for this spline.

Parameters

fitPoints	[in] Interpolation points.
fitTol	[in] Geometric tolerance.
startTangent	[in] Starting tangent.
endTangent	[in] Ending tangent.

◆ setFitData() [3/4]

OdGeNurbCurve3d& OdGeNurbCurve3d::setFitData	(	const OdGePoint3dArray &	fitPoints,
		const OdGeVector3d &	startTangent,
		const OdGeVector3d &	endTangent,
		OdGeKnotParameterization	knotParam,
		const OdGeTol &	fitTol = `OdGeContext::gTol`
	)

Sets the fit data for this spline.

Parameters

fitPoints	[in] Interpolation points.
fitTol	[in] Geometric tolerance.
startTangent	[in] Starting tangent.
endTangent	[in] Ending tangent.

◆ setFitData() [4/4]

OdGeNurbCurve3d& OdGeNurbCurve3d::setFitData	(	int	degree,
		const OdGePoint3dArray &	fitPoints,
		const OdGeTol &	fitTol = `OdGeContext::gTol`
	)

Sets the fit data for this spline.

Parameters

fitPoints	[in] Interpolation points.
fitTol	[in] Geometric tolerance.

◆ setFitKnotParameterization()

bool OdGeNurbCurve3d::setFitKnotParameterization ( OdGeKnotParameterization knotParam )

Sets the specified knot parameterization if the spline is created by fit points and returns true if the knot parameterization has successfully been set.

Parameters

knotParam [in] The knot parameterization to be set.

◆ setFitPointAt()

bool OdGeNurbCurve3d::setFitPointAt	(	int	fitPointIndex,
		const OdGePoint3d &	point
	)

Sets the fit point at the specified index.

Parameters

fitPointIndex	[in] Fit point index.
point	[in] Fit point.

Returns: Returns true if the fit point has successfully been set and false otherwise.

◆ setFitTangents() [1/2]

bool OdGeNurbCurve3d::setFitTangents	(	const OdGeVector3d &	startTangent,
		const OdGeVector3d &	endTangent
	)

Sets the fit tangents for this spline.

Parameters

startTangent	[in] Starting tangent.
endTangent	[in] Ending tangent.

Returns: Returns true if and only if this spline was constructed with fit data.

◆ setFitTangents() [2/2]

bool OdGeNurbCurve3d::setFitTangents	(	const OdGeVector3d &	startTangent,
		const OdGeVector3d &	endTangent,
		bool	startTangentDefined,
		bool	endTangentDefined
	)

Sets the fit tangents for this spline.

Parameters

startTangent	[in] Starting tangent.
endTangent	[in] Ending tangent.
startTangentDefined	[in] Defines if the specified value of starting tangent is to be used.
endTangentDefined	[in] Defines if the specified value of starting tangent is to be used.

Returns: Returns true if and only if this spline was constructed with fit data.

◆ setFitTolerance()

bool OdGeNurbCurve3d::setFitTolerance ( const OdGeTol & fitTol = OdGeContext::gTol )

Sets the fit tolerance that is used for interpolating fit points.

Parameters

fitTol [in] Geometric tolerance.

Returns: Returns true if and only if this spline was constructed with fit data.

◆ setKnotTolerance()

void OdGeNurbCurve3d::setKnotTolerance ( double tol )

protected

◆ setWeightAt()

OdGeSplineEnt3d& OdGeNurbCurve3d::setWeightAt	(	int	fitPointIndex,
		double	weight
	)

Sets the weight at the specified index.

Parameters

fitPointIndex	[in] Fit point index.
weight	[in] Weight at the specified fit point.

◆ TD_USING()

OdGeNurbCurve3d::TD_USING ( OdGeSplineEnt3d::evalPoint )

◆ weightAt()

double OdGeNurbCurve3d::weightAt ( int weightIndex ) const

Returns the weight at the specified index.

Parameters

weightIndex [in] Weight index.

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

GeNurbCurve3d.h

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ OdGeNurbCurve3d() [1/12]

◆ OdGeNurbCurve3d() [2/12]

◆ OdGeNurbCurve3d() [3/12]

◆ OdGeNurbCurve3d() [4/12]

◆ OdGeNurbCurve3d() [5/12]

◆ OdGeNurbCurve3d() [6/12]

◆ OdGeNurbCurve3d() [7/12]

◆ OdGeNurbCurve3d() [8/12]

◆ OdGeNurbCurve3d() [9/12]

◆ OdGeNurbCurve3d() [10/12]

◆ OdGeNurbCurve3d() [11/12]

◆ OdGeNurbCurve3d() [12/12]

Member Function Documentation

◆ addControlPointAt()

◆ addFitPointAt()

◆ addKnot()

◆ buildFitData()

◆ deleteControlPointAt()

◆ deleteFitPointAt()

◆ elevateDegree()

◆ evalMode()

◆ evalPoint()

◆ evalPointDivider()

◆ getDefinitionData()

◆ getFitData() [1/2]

◆ getFitData() [2/2]

◆ getFitKnotParameterization()

◆ getFitPointAt()

◆ getFitTangents() [1/2]

◆ getFitTangents() [2/2]

◆ getFitTolerance()

◆ getParamsOfC1Discontinuity()

◆ getParamsOfG1Discontinuity()

◆ hardTrimByParams()

◆ insertKnot()

◆ joinWith()

◆ makeClosed()

◆ makeClosedFit()

◆ makeNonPeriodic()

◆ makeOpen()

◆ makePeriodic()

◆ makeRational()

◆ modifyPositionAndTangent()

◆ numFitPoints()

◆ numWeights()

◆ operator=()

◆ purgeFitData()

◆ set()

◆ setData()

◆ setEvalMode()

◆ setFitData() [1/4]

◆ setFitData() [2/4]

◆ setFitData() [3/4]

◆ setFitData() [4/4]

◆ setFitKnotParameterization()

◆ setFitPointAt()

◆ setFitTangents() [1/2]

◆ setFitTangents() [2/2]

◆ setFitTolerance()

◆ setKnotTolerance()

◆ setWeightAt()

◆ TD_USING()

◆ weightAt()