Use LOD0 lightmap on other lower LODs?

another caveman

Hi,

How can we  reuse a lightmap generated on LOD0 on a lower LOD1 ?
Thanks
Assuming my UVs are identical / were retransfered

fangazza

Maybe this will help you: https://docs.unrealengine.com/4.26/en-US/WorkingWithContent/Types/StaticMeshes/LightmapUnwrapping/

another caveman

Unfortunately UE4 generates a lightmap per LOD  

poopipe

i think there's a good reason for that and it's probably to do with how they're atlased