OdDbSpline Class

Class Hierarchy

Syntax

C++

class OdDbSpline : public OdDbCurve;

File

DbSpline.h

Description

This class represents Spline entities in an OdDbDatabase instance.

TD_Db

	Name	Description
	OdDbSpline	This is OdDbSpline, a member of class OdDbSpline.

OdDbSpline Enumerations

	Name	Description
	SplineType	Defines the spline method (either by fit points or by control points).

OdDbSpline Methods

	Name	Description
	cvFrame	Returns true if Control Vertices frame is visible.
	decomposeForSave	Determines the behavior for custom objects when saving to .dwg or .dxf file.
	degree	Returns the degree of this Spline entity (DXF 71).
	dwgInFields	Reads the .dwg file data of this object.
	DWGMAP_DECLARE_MEMBERS	This is DWGMAP_DECLARE_MEMBERS, a member of class OdDbSpline.
	dwgOutFields	Writes the .dwg file data of this object.
	dxfInFields	Reads the DXF data of this object.
	dxfOutFields	Writes the DXF data of this object.
	elevateDegree	Increased the degree of this spline to the specified value.
	fitTolerance	Returns the curve fitting tolerance for this Spline entity (DXF 44).
	getArea	Returns the area of this Curve object.
	getControlPointAt	Returns the specified control point of this Spline entity (DXF 10).
	getDistAtParam	Returns the distance along this Curve object from its start point to the point specified by param.
	getEndParam	Returns the parameter corresponding to the end point of this Curve object.
	getEndPoint	Returns the WCS end point of this Curve object.
	getFirstDeriv	Returns the first derivative of this Curve object at the specified WCS point.
	getFitData	This is the overview for the getFitData method overload.
	getFitPointAt	Returns the specified fit point of this Spline entity (DXF 11).
	getFitTangents	Returns the start point and end point WCS fit tangents for this Spline entity (DXF 12, 13).
	getNurbsData	This is the overview for the getNurbsData method overload.
	getOdGeCurve	Returns an OdGeCurve3d that is geometrically identical to this OdDbCurve.
	getParamAtDist	Returns the parameter corresponding to the point a specified distance along this Curve object from its start point.
	getParamAtPoint	Returns the parameter corresponding to the specified WCS point on this Curve object.
	getPlane	Returns the plane that contains this entity.
	getPointAtParam	Returns the WCS point on this Curve object corresponding to the specified parameter.
	getSecondDeriv	Returns the second derivative of this Curve object at the specified point.
	getSplitCurves	Returns pointers to the curves that result from splitting this curve at the points corresponding to params.
	getStartParam	Returns the parameter corresponding to the start point of this Curve object.
	getStartPoint	Returns the WCS start point of this Curve object.
	hasFitData	Returns true if and only if this Spline entity is constructed using fit points.
	insertControlPointAt	Inserts a control point at the specified knot.
	insertFitPointAt	Inserts a fit point into this Spline entity after the specified index.
	insertKnot	Inserts a knot value into this spline.
	isNull	Returns true if the spline doesn't contain control points.
	isPlanar	Returns true if and only if this entity is planar.
	isRational	Returns true if and only if this Spline entity is rational (DXF 70, bit 0x04).
	modifyPositionAndTangent	Modifies the position and tangent of the point with a specified parameter.
	numControlPoints	Returns the number of control points in this Spline entity (DXF 73).
	numFitPoints	Returns the number of fit points in this Spline entity (DXF 74).
	purgeFitData	Purges the fit data for this Spline entity.
	removeControlPointAt	Deletes a control point at the specified index.
	removeFitPointAt	Removes the specified fit point from this Spline entity.
	reverseCurve	Reverses this Spline entity.
	setControlPointAt	Sets the specified control point of this Spline entity (DXF 10).
	setCvFrame	Sets visibility of Control Vertices frame for this Spline entity.
	setFitData	This is the overview for the setFitData method overload.
	setFitPointAt	Sets the specfied fit point of this Spline entity (DXF 11).
	setFitTangents	Sets the start point and end point WCS fit tangents for this Spline entity (DXF 12, 13).
	setFitTol	Sets the curve fitting tolerance for this Spline entity (DXF 44).
	setFromOdGeCurve	Takes an OdGeCurve3d and sets this OdDbCurve to be geometrically identical to the OdGeCurve3d.
	setNurbsData	This is the overview for the setNurbsData method overload.
	setType	This is setType, a member of class OdDbSpline.
	setWeightAt	Sets the specified weight (DXF 41).
	subExplode	Explodes this entity into a set of simpler entities.
	subGetClassID	overridables
	subTransformBy	This is subTransformBy, a member of class OdDbSpline.
	subWorldDraw	This is subWorldDraw, a member of class OdDbSpline.
	TD_USING	This is the overview for the TD_USING method overload.
	toPolyline	This is the overview for the toPolyline method overload.
	type	Returns the spline method (either by fit points or by control points).
	weightAt	Returns the specified weight (DXF 41).

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