Coordinates

The LevelCoordinates actor is used to georeference your level. It lets you specify a coordinate system, the longitude and latitude of a real-world location, and the number of Unreal Engine units (cm) per longitude/latitude unit. The location that you choose in the LevelCoordinates corresponds to the (0, 0) location of Unreal Engine. You can use epsg.io to find real-world coordinates in EPSG 4326 (this works better in Chrome than in Firefox in my experience). You can also change the URL if you need coordinates in another EPSG.

In the LevelCoordinates Details Panel, you can create a Decal with a World Map using the coordinate system (use “EPSG:4326” if you want the usual longitude/latitude coordinates).

You can add an ActorCoordinates component to an actor that you wish to place on a particular real-world location. Clicking the Move Actor button on this component will move the actor correctly with respect to the LevelCoordinates.

If you are creating landscapes using a LandscapeSpawner, a LevelCoordinates actor will be created automatically for some well-known coordinate systems such as EPSG:4326, EPSG:2056, EPSG:2154, CRS:84.