API Reference > OdGe Classes > OdGeSurface Class > OdGeSurface Methods > evalPoint Method > OdGeSurface::evalPoint Method (OdGePoint2d&)
OdGeSurface::evalPoint Method (OdGePoint2d&)
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Parameters |
Description |
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const OdGePoint2d& param |
[in] The parameter pair to be evaluated. |
Returns the point corresponding to the parameter pair, as well as the derivatives and the normal at that point.
Derivatives are ordered as follows: du, dv, dudu, dvdv, dudv.
By default this function throws exception "not Implemented". Should be implemented in derived classes.
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