API Reference > OdDb Classes > OdDbEllipse Class > OdDbEllipse Methods > OdDbEllipse::getSecondDeriv Method
OdDbEllipse::getSecondDeriv Method
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Syntax
C++
virtual OdResult getSecondDeriv(double param, OdGeVector3d& secondDeriv) const;
Parameters
Parameters 
Description 
double param 
[in] Parameter value specifying the point on the elliptical curve as a Double value in radians.  
OdGeVector3d& secondDeriv 
[out] Reference to a variable in which this method must save the second derivative as three-dimensional vector instance. 
Description

Computes the second derivative for the specified parameter of the elliptical figure (ellipse or arc) and returns the three-dimensional vector instance. 

 

See Also
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