API Reference > OdGe Classes > OdGeEllipArc3d Class > OdGeEllipArc3d Methods > OdGeEllipArc3d::tangentAt Method
OdGeEllipArc3d::tangentAt Method
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Syntax
C++
OdGeVector3d tangentAt(double param) const;
Parameters
Parameters 
Description 
double param 
[in] Parameter corresponding to the point at which to compute the tangent. 
Description

Returns the tangent vector at the point specified by param. 

 

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