

ProMechcurveXyzdataEval | |
( ProMechCurve curve /* (In) The curve. */ double curve_param /* (In) The normalized parameter on the curve. */ Pro3dPnt xyz_point /* (Out) The resulting XYZ point, pass NULL if not interested in this data. */ ProVector deriv1 /* (Out) The first derivative at the point, pass NULL if not interested in this data. */ ProVector deriv2 /* (Out) The second derivative at the point, pass NULL if not interested in this data. */ ) |

The function succeeded. | |
One or more input arguments are invalid. |

