Weird lines appear with smart masks

Question

After many hours working on this project on 2k, I changed the resolution to 4K (baked it at 4K too). Now these weird lines are showing and I'm not sure of how to fix it. I redid the Low and High and the UVs, started painting from scratch too but nothing works. Those appear when I use smart masks, especially Cavity Rust. I thought that maybe it was because my generator says the mask editor is outdated, but when I change it to the new one it looks like a completely different mask.

Cyril Dellenbach · Answer

Hi @Delfina33477469r8m7,

Thank you for your message.

Smart Masks/Smart Materials/Generators/etc. are built from the baked mesh maps. Therefore, the first thing I'd check would be the baked maps.

Try to switch the Display mode to Ambient Occlusion, Curvature etc. and see if some similar lines are visible in those maps.

For the info, Painter is procedural, so when you increase the project's resolution it's not a simple "upscale" of textures. All layers are recomputed for a 4K resolution, therefore some minor differences may appear. That being said, if the ressource is considered "Outdated" and updating it solves the problem, I think it's safe to say the issue comes from here.

If the result is not really the same as with the outdated one, I'm sure that's something you can easily fix by tweaking some parameters.

Best regards,

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