OdGePointOnSurface::vDeriv Method (int, const OdGeSurface&, const OdGePoint2d&)

Syntax

C++

OdGeVector3d vDeriv(int order, const OdGeSurface& surface, const OdGePoint2d& param);

Description

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

Parameters

Parameters	Description
order	[in] Specifies the order of the derivative [1-2].
surface	[in] Any surface.
param	[in] Parameter to specify a point on surface.

Remarks

Specifying surface or param updates the underlying value.

Currently not implemented.

Links

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