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ODA Kernel SDK
API Reference > OdGe Classes > OdGeNurbCurve3d Class
OdGeNurbCurve3d Class
Syntax
C++
class OdGeNurbCurve3d : public OdGeSplineEnt3d;

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

Corresponding C++ library: TD_Ge 

 

OdGeNurbCurve3dOdGeNurbCurve3dOdGeNurbCurve3dOdGeNurbCurve3d

File: GeNurbCurve3d.h 

Module: API Reference 

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OdGeNurbCurve3d()
This is the overview for the OdGeNurbCurve3d constructor overload.
~OdGeEntity3d
Destructor for the OdGeEntity3d class. (Inherited from OdGeEntity3d)
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GE_OPERATORS_OVERRIDE_3D
(Inherited from OdGeCurve3d)
GE_OPERATORS_OVERRIDE_3D
GE_OPERATORS_OVERRIDE_3D
(Inherited from OdGeSplineEnt3d)
addControlPointAt
Adds a control point at the specified knot.
addFitPointAt
Inserts the fit point at the specified index.
addKnot
Adds new knot to the spline knot array.
appendSamplePoints(const OdGeInterval *, double, OdGePoint3dArray&, OdGeDoubleArray*)
This is the overview for the appendSamplePoints method overload.
area
Determines the area of this curve between the specified parameters.
(Inherited from OdGeCurve3d)
boundBlock()
This is the overview for the boundBlock method overload.
closestPointTo(const OdGeCurve3d&, OdGePoint3d&, const OdGeTol&)
This is the overview for the closestPointTo method overload.
continuityAtKnot
Returns the degree of the highest derivative that is defined at a specified knot.
(Inherited from OdGeSplineEnt3d)
controlPointAt
Returns the specified control point in the control point array.
(Inherited from OdGeSplineEnt3d)
convertTo2d
Returns a pointer to the 2D variant of the curve (z-coordinate will be ignored).
(Inherited from OdGeCurve3d)
copy
Returns a copy of this entity. (Inherited from OdGeEntity3d)
degree
Returns the degree of the spline. (Inherited from OdGeSplineEnt3d)
deleteControlPointAt
Deletes a control point at the specified index.
deleteFitPointAt
Removes a fit point with the specified index.
distanceTo(const OdGeCurve3d&, const OdGeTol&)
This is the overview for the distanceTo method overload.
elevateDegree
Increases spline degree by the specified value and returns a reference to this spline object.
endParam
Returns the parameter corresponding to the end point of this spline. (Inherited from OdGeSplineEnt3d)
endPoint
Returns the end point of this spline evaluated by the end parameter. (Inherited from OdGeSplineEnt3d)
evalMode
Returns the current evaluation mode.
evalPoint(double)
This is the overview for the evalPoint method overload.
explode
Explodes this curve over the specified interval.
(Inherited from OdGeCurve3d)
getClosestPointTo(const OdGeCurve3d&, OdGePointOnCurve3d&, OdGePointOnCurve3d&, const OdGeTol&)
This is the overview for the getClosestPointTo method overload.
getDefinitionData
Retrieves the data used to define this spline.
getFitData(OdGePoint3dArray&, OdGeTol&, bool&, OdGeVector3d&, OdGeVector3d&)
This is the overview for the getFitData method overload.
getFitKnotParameterization
Gets the knot parametrization of the spline created with fit points.
getFitPointAt
Retrieves the fit point at the specified index.
getFitTangents(OdGeVector3d&, OdGeVector3d&)
This is the overview for the getFitTangents method overload.
getFitTolerance
Retrieves the fit tolerance that is used to construct this spline if this spline was constructed with fit points.
getGeomExtents
Returns the bounding box of the whole curve or a part of it. The box is axis-aligned in the specified local coordinate system. It is guaranteed to enclose the curve, but not guaranteed to be tight/minimal.
(Inherited from OdGeCurve3d)
getInterval(OdGeInterval&)
This is the overview for the getInterval method overload.
getLocalClosestPoints(const OdGeCurve3d&, OdGePointOnCurve3d&, OdGePointOnCurve3d&, const OdGeInterval*, const OdGeInterval*, const OdGeTol&)
This is the overview for the getLocalClosestPoints method overload.
getNormalPoint
Returns true, and the point on this curve whose normal vector passes through the specified point, if and only if a normal point was found.
(Inherited from OdGeCurve3d)
getParamsOfC1Discontinuity
Gets the parameters of G1 discontinuity.
getParamsOfG1Discontinuity
Gets the parameters of G1 discontinuity.
getProjClosestPointTo(const OdGeCurve3d&, const OdGeVector3d&, OdGePointOnCurve3d&, OdGePointOnCurve3d&, const OdGeTol&)
This is the overview for the getProjClosestPointTo method overload.
getSamplePoints(const OdGeInterval*, double, OdGePoint3dArray&, OdGeDoubleArray*)
This is the overview for the getSamplePoints method overload.
getSplitCurves
Returns pointers to the two curves that result from splitting this curve at the point corresponding to param.
(Inherited from OdGeCurve3d)
getTrimmedOffset
Retrieves one or more trimmed offset curves.
(Inherited from OdGeCurve3d)
hardTrimByParams
Trims the OdGeNurbCurve3d by the new start and end parameters.
hasEndPoint
Returns true, and the end point, if and only if the parametric interval of this curve has an upper bound.
(Inherited from OdGeCurve3d)
hasFitData
Returns true if and only if the spline is constructed using fit points. (Inherited from OdGeSplineEnt3d)
hasMidPoint
Checks the boundaries of the curve interval and calculates a point from the curve interval that corresponds to the specified coefficient.
(Inherited from OdGeCurve3d)
hasStartPoint
Returns true, and the start point, if and only if the parametric interval of this curve has a lower bound.
(Inherited from OdGeCurve3d)
insertKnot
Inserts new knot to the spline knot array.
isClosed
Returns true if and only if this curve is closed within the specified tolerance.
(Inherited from OdGeCurve3d)
isCoplanarWith
Returns true if the specified curve entity is coplanar with this curve and returns the common plane.
(Inherited from OdGeCurve3d)
isDegenerate(OdGe::EntityId&, const OdGeTol&)
This is the overview for the isDegenerate method overload.
isEqualTo
Checks whether the specified entity is equal to this one.
(Inherited from OdGeEntity3d)
isKindOf
Returns true if and only if this entity is of type (or is derived from) entType.
(Inherited from OdGeEntity3d)
isLinear
Returns true, and a linear entity coincident with this curve, if and only if this curve is linear.
(Inherited from OdGeCurve3d)
isOn
Returns true if and only if the specified point is on this entity, as determined by the tolerance.
(Inherited from OdGeEntity3d)
isOn(const OdGePoint3d&, double&, const OdGeTol&)
This is the overview for the isOn method overload.
isPeriodic
Returns true if and only if this curve is periodic for the specified period.
(Inherited from OdGeCurve3d)
isPlanar
Returns true if and only if this curve is planar, and returns the plane of this curve.
(Inherited from OdGeCurve3d)
isRational
Returns true if and only if the spline is rational or a polynomial. (Inherited from OdGeSplineEnt3d)
joinWith
Joins the specified OdGeNurbCurve3d with this spline and returns a reference to the recomputed spline.
knotAt
Returns a knot value for the specified knot.
(Inherited from OdGeSplineEnt3d)
knots
Returns the knot vector. (Inherited from OdGeSplineEnt3d)
length(double)
This is the overview for the length method overload.
makeClosed
Makes the opened spline closed, and returns a reference to this spline.
makeNonPeriodic
Makes periodic spline non-periodic.
makeOpen
Makes closed spline open.
makePeriodic
Makes this spline periodic (if it is not).
makeRational
Makes this spline rational (if it is not).
midPoint
Calculates a point from the curve interval that corresponds to the specified coefficient.
(Inherited from OdGeCurve3d)
mirror
Mirrors this entity about the specified plane, and returns a reference to this entity.
(Inherited from OdGeEntity3d)
numControlPoints
Returns the number of points in the control point array. (Inherited from OdGeSplineEnt3d)
numFitPoints
Returns the number of fit points.
numKnots
Returns the number of knots in the knot vector. (Inherited from OdGeSplineEnt3d)
numWeights
Returns the number of weights in the spline.
order
Returns the order of the spline. (Inherited from OdGeSplineEnt3d)
orthoBoundBlock()
This is the overview for the orthoBoundBlock method overload.
orthoProject
Returns the entity that is the orthogonal projection of the curve onto the projection plane. (Inherited from OdGeCurve3d)
paramAtLength
Returns the parameter of the point at a specified distance from the starting point corresponding to datumParam.
(Inherited from OdGeCurve3d)
paramOf(const OdGePoint3d&, const OdGeInterval*, const OdGeTol&)
This is the overview for the paramOf method overload.
projClosestPointTo(const OdGeCurve3d&, const OdGeVector3d&, OdGePoint3d&, const OdGeTol&)
This is the overview for the projClosestPointTo method overload.
project
Returns the entity that is the projection of the curve onto the projection plane in the specified direction. (Inherited from OdGeCurve3d)
purgeFitData
Purges the fit data defining this spline.
reverseParam
Reverses the parameter direction this curve.
(Inherited from OdGeCurve3d)
rotateBy
Rotates this entity by the specified angle about the axis defined by the point and the vector, and returns a reference to this entity.
(Inherited from OdGeEntity3d)
scaleBy
Scales this entity by the scale factor about the basepoint, and returns a reference to this entity.
(Inherited from OdGeEntity3d)
setControlPointAt
Sets the specified control point in the control point array.
(Inherited from OdGeSplineEnt3d)
setEvalMode
Sets the evaluation mode.
setFitData(const OdGeKnotVector&, const OdGePoint3dArray&, const OdGeVector3d&, const OdGeVector3d&, const OdGeTol&, bool)
This is the overview for the setFitData method overload.
setFitKnotParameterization
Sets the specified knot parameterization if the spline is created by fit points.
setFitPointAt
Sets the fit point at the specified index.
setFitTangents(const OdGeVector3d&, const OdGeVector3d&)
This is the overview for the setFitTangents method overload.
setFitTolerance
Sets the fit tolerance that is used for interpolating fit points.
setInterval()
This is the overview for the setInterval method overload.
setKnotAt
Sets the knot value for the specified knot.
(Inherited from OdGeSplineEnt3d)
setWeightAt
Sets the weight at the specified index.
startParam
Returns the parameter corresponding to the start point of this spline. (Inherited from OdGeSplineEnt3d)
startPoint
Returns the start point of this spline evaluated by the start parameter. (Inherited from OdGeSplineEnt3d)
transformBy
Applies the 3D transformation matrix to this entity, and returns a reference to this entity.
(Inherited from OdGeEntity3d)
translateBy
Applies the 3D translation vector to this entity, and returns a reference to this entity.
(Inherited from OdGeEntity3d)
type
Returns the entity type. (Inherited from OdGeEntity3d)
weightAt
Returns the weight at the specified index.
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!=
Comparison operator for the OdGeEntity3d object.
(Inherited from OdGeEntity3d)
=
The assignment operator for objects the OdGeCurve3d class. (Inherited from OdGeCurve3d)
=
Assignment operator for the OdGeEntity3d object.
(Inherited from OdGeEntity3d)
=
Assignment operator for the OdGeNurbCurve3d object.
=
Assignment operator for the OdGeSplineEnt3d object.
(Inherited from OdGeSplineEnt3d)
==
Comparison operator for the OdGeEntity3d object.
(Inherited from OdGeEntity3d)
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