API Reference > Geometry > AECCDbContour Class > AECCDbContour Methods > AECCDbContour::getFirstDeriv Method
AECCDbContour::getFirstDeriv Method
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Syntax
C++
virtual OdResult getFirstDeriv(double param, OdGeVector3d& firstDeriv) const;
Parameters
Parameters 
Description 
double param 
[in] Parameter of the contour.  
secondDeriv 
[out] First derivative of the contour at the specified parameter. 
Returns

eOk if the operation is successful; false otherwise.

Description

Gets the first derivative of the base contour at the specified parameter. 

 

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