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Use LOD0 lightmap on other lower LODs?

another caveman

greentooth

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another caveman greentooth

Sep 2021

Hi,

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

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fangazza polycounter lvl 11

Sep 2021

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

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another caveman greentooth

Sep 2021

Unfortunately UE4 generates a lightmap per LOD

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poopipe grand marshal polycounter

Sep 2021

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

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