The x coordinate of the center position 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 (width of Picture - 1),
inclusive and in multiples of 1 pixel.
The x coordinate of the center position 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 (width of Picture - 1), inclusive and in multiples of 1 pixel.