Advice on splitting existing map into chunks for collaboration

I have a relatively small landscape with a few sections that have quite detailed set dressing and design in place. I want to start collaborating with other members at this stage to fill out the extremities of the map in a similar way. Right now with source control, we would get a conflict by editing the same map file.
I’m familiar with the concept of world composition and tiled landscapes. As other members can work on seperate tiles without creating conflicts in source control.
So my question, is it too late to do that with an exsisting landscape? Can I split a landscape and move the pieces to sub maps?
Thanks

You can split an existing landscape…
Backup your project before doing this because it destroys your level as it moves the tiles to new ones!!!
Make sure that you only have One Level to start off.

Decide how many tiles you want.

Create a new empty level which will be the persistent level.

You need to add lighting to this level.

Create a new level for each tile.

Save All

Click on your existing landscape and select Enable World Composition in world settings.

The engine will find all you levels and add them to the world composition tile list.

In the Windows Menu select Levels.

A list of all your new levels should open.

Right click on one of the tile names and select Make Current.

Go back to your existing level and open the Landscape Menu under Modes.

Selecting Top view in Viewport will make the next part easier

Select Manage

Under Landscape editor Select Move To Level

Choose your tile size. When you click on the map the area selected will be MOVED from your existing level to the new level.

Go back to the Level list and choose your next Tile and repeat untill all done.

To see the tiles you must selet LOAD from the tile list.

Unload does the opposite.

This is how to do what you requested. Read the docs to see how to work with the World composition system.

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