C++
GE_DLLEXPIMPORT Adesk::Boolean isOn( const AcGePoint3d& pnt, double& param, const AcGeTol& tol = AcGeContext::gTol ) const;
Description
Determines if pnt lies on curve. The param parameter is only set to a meaningful value if this function returns a value of Adesk::kTrue.
Parameters
| Parameters | Description |
|---|---|
| pnt | Input any 3D point |
| param | Output parameter value of pnt if pnt lies on curve |
| tol | Input tolerance |