API Reference > OdDb Classes > OdDb3dPolyline Class > OdDb3dPolyline Methods > OdDb3dPolyline::getFirstDeriv Method
OdDb3dPolyline::getFirstDeriv Method
|
Parameters |
Description |
|
double param |
[in] Parameter specifying point. |
|
OdGeVector3d& firstDeriv |
[out] Receives the first derivative. |
Returns eOk if successful, or an appropriate error code if not.
Returns the first derivative of this Curve object at the specified WCS point.
|
Copyright © 2002–2021. Open Design Alliance. All rights reserved.
|
