API Reference > OdDg Classes > OdDgLine3d Class > OdDgLine3d Methods > OdDgLine3d::getSecondDeriv Method
OdDgLine3d::getSecondDeriv Method
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Parameters |
Description |
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double param |
[in] Parameter specifying point. |
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OdGeVector3d& secondDeriv |
[out] Receives the first derivative. |
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pointOnCurve |
[in] Point on the curve. |
Returns eOk if successful, or an appropriate error code if not.
Returns the second derivative of this Curve object at the specified point.
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