OALLEY allows you easily modifying the shape of your zones, by merging or subtracting 2 zones.
Merging zones can be used to create one zone out of two existing zones, or to extend an existing zone by adding another one.
To merge 2 zones, go to the map.
Once you’re on the map, right-click on the zone you’d like to extend, and choose “Merge”:
As a second step, click on the zone you’d like to merge with the first one, and validate your choice :
Now you know how to merge zones to extend or regroup them.
To go further: