MAPRADIUS

Syntax:
    MAPRADIUS 0 - turns the feature off.
    MAPRADIUS number - number must be from 1 to 30.

This command allows you to limit how big your wilderness map can get.
It only limits the size of the map. It will not increase the size of
the map in bad weather or darkness. This also affects the size of
the map you see while flying.

See Also: WILDERNESS