OdDgBSplineSurface::getNormal Method

Syntax

C++

OdResult getNormal(double dU, double dV, OdGeVector3d& normal) const;

Description

Returns the normal vector at the specified parameter location ([u, v]).

Parameters

Parameters	Description
dU	[in] u parameter.
dV	[in] v parameter.
normal	[out] A passed-in parameter for returning the normal vector.

Returns

Returns eOk if successful. If the surface doesn't contain any NURBS information, returns eFail. If the dU or dV values are invalid, returns eOutOfRange.

Links

OdDgBSplineSurface Class

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