Similar to the plotting of the world map above, the succeeding command plots large blue ellipses on the state shaded map, while recording the respective pixel coordinates in the image.

So Swartz generated a mapping of country and state codes with their coordinates, generated a reference map of server farm coordinates, and used that to generate the closest region.

A new algorithm for state estimation based on the fast decoupling of distribution system's asymmetrical phases in phase coordinates is proposed.