OdModelerGeometry::getNormal Method

Syntax

C++

virtual OdResult getNormal(double dU, double dV, OdGeVector3d& normal) const = 0;

Parameters	Description
double dU	[in] u parameter.
double dV	[in] v parameter.
OdGeVector3d& normal	[out] A passed-in parameter for returning the normal vector.

Returns eOk if successful. If the dU or dV values are invalid, returns eOutOfRange.

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