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ODA Kernel SDK
API Reference > OdGe Classes > OdGePointOnSurface Class > OdGePointOnSurface Methods > vDeriv Method > OdGePointOnSurface::vDeriv Method (int)
OdGePointOnSurface::vDeriv Method (int)
Syntax
C++
OdGeVector3d vDeriv(int order) const;

Returns the specified derivative of the surface in the V direction at the point corresponding to the parameter. 

 

Parameters
Description
order
[in] Specifies the order of the derivative [1-2].

Currently not implemented.

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