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Emissive static lighting looks noisy?

I have r.VXGI.AmbientOcclusionMode set to 1, but it looks the same set to 0. I'm wondering what is causing this noisy/dirty lighting? I have 3 spheres using emissive materials and have 'Use Emissive for Static Lighting' enabled.

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Product Version: UE 4.19
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asked Jul 09 '18 at 03:03 PM in Using UE4

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avatar image Evan.Doody Jul 09 '18 at 04:37 PM

Though I haven't tried using emissive only for lighting, this looks like a lightmap resolution problem. Have you tried baking at a production quality or looking at the scene with the view set to show Lightmap Density?

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Are you using portals with your emissive spheres? You might be using compressed lightmaps... And I'm kind of sure that your ILQ is set to too low...

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answered Jul 12 '18 at 05:32 PM

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