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Lightmap Density view - Grid not showing on some meshes

When I turn on Lightmap Density mode in the viewport for some reason the grid isn't showing on some of my meshes. Any idea how to fix this?

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In the image you can see I have a door mesh selected but it's not showing the grid on it or the adjacent walls or the floor.

Product Version: UE 4.15
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asked May 01 '17 at 08:58 AM in Using UE4

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they only show after rebuilding lighting. Which is the most common reason for ^ that to happen.

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answered May 01 '17 at 09:02 AM

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avatar image TorQueMoD May 01 '17 at 11:06 AM

Yeah this is after rebuilding lighting but I think the problem is with the map file itself. When I rebuild the lighting the lightmap resolution of these meshes looks to be around 16 even though they're both set to 128. I threw the meshes into a clean map and rebuilt the lighting and it looks fine so I think I have to re-do my map sadly.

Thanks for the reply!

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