Optional definition of the airfoil inner shape of leading edge devices (LED).
Relative height of the most forward point of the LED's rear part, based on the airfoil height of the parent at this position. Optional.
Relative chordwise position of the most forward point of the LED's rear part, based on the chord of the parent at this position. Optional.
All parameters are optional. For the definition of the parameters, please refer to the picture below. Parameters from the outer border default to the parameters of the inner border.