C C Declare the area map arrays. Declare some arrays in which to put values defining some portions of C the globe to be looked at. C C Define the portions of the globe to be looked at. This helps to break up the C areas defined by the geographical boundaries in such a way as to C reduce the total number of points required for any particular area.
C C Draw the concentric circles themselves.
IF C C Done. If all the area identifiers have valid values, choose a color for the C area and fill it. IF C C Done. IF C C Done. C are drawn in the inner circle, county lines are omitted in the ring C surrounding that, state lines are omitted in the ring surrounding C that, country lines are omitted in the ring surrounding that, and C continental boundary lines are omitted elsewhere.