The clockwise rotation angle in degree of arc with respect to the
positive direction of the x-axis of the concentric internal and external
ellipses of the elliptical pixel selector in the processing window. The
value shall be in the range of 0 to 180, inclusive and in multiples of 1.
The clockwise rotation angle in degree of arc with respect to the positive direction of the x-axis of the concentric internal and external ellipses of the elliptical pixel selector in the processing window. The value shall be in the range of 0 to 180, inclusive and in multiples of 1.