BOX area selection: you can submit your selection at anytime.
By default, the FINAL Global Map is centered on (0, 0),
you can chane the center to (0,180) then Global Map will be the the same as the following one. See note at bottom.
INPUT data or CLICK upper-left corner of selected area on the MAP:
1. Longitude 0o↔360o
centers on the International Dateline,
-180o↔180o centers on the Prime Meridian.
2. Box can be anywhere on the globe: e.g.,
1st point(50oN, 60oW),