CubicSplineCurve3dFirstDerivativeAt Method

Retrieves the first derivative at the specified index.

Namespace: Teigha.Geometry
Assembly: TD_Mgd (in TD_Mgd.dll) Version: 24.2.0.0

Syntax

public Vector3d FirstDerivativeAt(
        int i
)

Public Function FirstDerivativeAt ( 
        i As Integer
) As Vector3d

public:
Vector3d FirstDerivativeAt(
        int i
)

member FirstDerivativeAt : 
        i : int -> Vector3d

Vector3d
Vector that represents a derivative at a point.