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How do i fix this wall lighting/shader/material inconsistency bug?

alt textWhen putting two walls/boxes next to each other I noticed that the material ( standard white wall material ) looked lighter one one of the walls than it did on the other ones as if that specific box/wall was receiving more light. - Yes i did build the lighting. - Yes i applied the same material on both of them.

Every suggestion is appreciated, thank you in advance

Product Version: UE 4.7
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asked Jun 18 '15 at 01:16 PM in Rendering

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This is actually not a bug, but you will need to make some adjustments to your World Settings, Lightmass Settings to help eliminate the line between the two meshes. Change the Indirect Lighting Quality to 4 and the Indirect Quality Smoothness to 0.75. You can also increase the Lightmap resolution.

I would recommend having a look at our Lighting Troubleshooting Guide, found here:


Thank You

Eric Ketchum

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answered Jun 18 '15 at 02:13 PM

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Lovecraft_K ♦♦ STAFF
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avatar image JOMEE Jun 18 '15 at 02:23 PM

I just started using ue4 so i'm not familiar with most of the settings but thank you for answering, i'll try it out.

avatar image Lovecraft_K ♦♦ STAFF Jun 18 '15 at 02:26 PM

Not a Problem, Happy to Help.

Eric Ketchum

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