API Reference > OdDb Classes > OdDbCurve Class > OdDbCurve Methods > getSecondDeriv Method > OdDbCurve::getSecondDeriv Method (OdGePoint3d&, OdGeVector3d&)
OdDbCurve::getSecondDeriv Method (OdGePoint3d&, OdGeVector3d&)
Syntax
C++
virtual OdResult getSecondDeriv(const OdGePoint3d& pointOnCurve, OdGeVector3d& secondDeriv) const;
Parameters 
Description 
const OdGePoint3d& pointOnCurve 
[in] Point on the curve.  
OdGeVector3d& secondDeriv 
[out] Receives the first derivative. 

Returns eOk if successful, or an appropriate error code if not.

Returns the second derivative of this Curve object at the specified point. 

 

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