API Reference > OdGe Classes > OdGePointOnSurface Class > OdGePointOnSurface Methods > tangentVector Method > OdGePointOnSurface::tangentVector Method (OdGeVector2d&)
OdGePointOnSurface::tangentVector Method (OdGeVector2d&)
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Parameters |
Description |
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const OdGeVector2d& vect |
[in] Any 2D vector. |
Maps the specified vector to the tangent plane of the surface at the point corresponding to the parameter
The tangent vector is mapped as follows:
tangentVector = uDeriv(1) * vect.x + vDeriv(1) * vect.y
Currently not implemented.
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