[UPROPERTY](Programming/UnrealArchitecture/Reference/Properties)(EditAnywhere, BlueprintReadWrite, Category="GeoReferencing")
EPlanetShape PlanetShape
This mode has to be set consistently with the way you authored your ground geometry.
For small environments, a projection is often applied and the world is considered as Flat
For planet scale environments, projections is not suitable and the geometry is Rounded.