The position of the finish line can be fractional pixels so it's position is not exactly on a pixel. Zooming in in this case shows it being drawn between pixels. It should always be exactly between two pixels for consistent scoring and image alignment.
The position of the finish line can be fractional pixels so it's position is not exactly on a pixel. Zooming in in this case shows it being drawn between pixels. It should always be exactly between two pixels for consistent scoring and image alignment.