Eyeshot 11 WinForms API Reference
WinForms Assembly / devDept.Eyeshot.Entities Namespace / Circle Class / DerivativeAt Method
The desired derivative (>=0)
Evaluation parameter

In This Topic
    DerivativeAt Method
    In This Topic
    Computes the circle derivative at a parameter.
    Syntax
    'Declaration
     
    Public Function DerivativeAt( _
       ByVal d As Integer, _
       ByVal t As Double _
    ) As Vector3D
    public Vector3D DerivativeAt( 
       int d,
       double t
    )

    Parameters

    d
    The desired derivative (>=0)
    t
    Evaluation parameter

    Return Value

    The dth circle derivative at the parameter t.
    See Also