This command lets the user select the grid line spacing
on map projections.
Widget:
- Enter the desired grid line spacing into the Grid Spacing
type-in box and press <RETURN>
Command:
Arguments :
- spacing: spacing is entered as degrees. Map grid lines will be
drawn at the specified interval.
Examples :
- GRIDSPACING = 20
grid lines are drawn each 20 degrees latitude and longitude.
Notes :
- By default grid lines are drawn each 10 degrees latitude and
longitude.
- this option remains in effect until changed.
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