API Reference > OdDg Classes > OdDgCurveElement3d Class > OdDgCurveElement3d Methods > getFirstDeriv Method
getFirstDeriv Method
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This is the overview for the getFirstDeriv method overload.

Overload List
 
Name 
Description 
 
OdDgCurveElement3d::getFirstDeriv (double, OdGeVector3d&) 
Returns the first derivative of this Curve object at the specified WCS point.
 
 
OdDgCurveElement3d::getFirstDeriv (OdGePoint3d&, OdGeVector3d&) 
This is getFirstDeriv, a member of class OdDgCurveElement3d. 
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