Clear current map axes
clma
clma all
clma purge
clma
deletes all displayed
map objects from the current map axes but leaves the frame if it is
displayed.
clma all
deletes all displayed
map objects, including the frame, but it leaves the map structure
intact, thereby retaining the map axes.
clma purge
removes the map
definition from the current axes, but leaves all objects projected
on the axes intact.