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Topics - Théo RICHARDEAU

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Hi everyone!

I'm currently texturing an asset in Substance Painter. When I work in the soft, everything is fine. My UVs (UDIMs) are all working smooth, and I don't have any problem. It looks like this:



However, when I export the textures, some of the UVs are suddenly missing. Actually, not really missing, but the basecolor appears to be exported as a pitch black texture, when it should not. The same UDIM as pictured on the previous image looks like this post-export:



It results in black parts on my mesh when comes the lookdev. I've been trying different types of exports, different formats, to rebuild my scene from scratch and reprojecting the textures on a new mesh. The mesh itself does not seem to have double faces and/or reversed normals. I don't understand what's happening and the deadline for this project is coming fast, so any help would be more than welcomed!  :(

Thanks a lot in advance, and have a good day!!

UPDATE: It seems that it's working when exporting in 1K, but not when exporting in 4K.

2
Hi everyone!

I'm currently texturing an asset in Substance Painter. When I work in the soft, everything is fine. My UVs (UDIMs) are all working smooth, and I don't have any problem. It looks like this:



However, when I export the textures, some of the UVs are suddenly missing. Actually, not really missing, but the basecolor appears to be exported as a pitch black texture, when it should not. The same UDIM as pictured on the previous image looks like this post-export:



It results in black parts on my mesh when comes the lookdev. I've been trying different types of exports, different formats, to rebuild my scene from scratch and reprojecting the textures on a new mesh. The mesh itself does not seem to have double faces and/or reversed normals. I don't understand what's happening and the deadline for this project is coming fast, so any help would be more than welcomed!  :(

Thanks a lot in advance, and have a good day!!

UPDATE: It seems that it's working when exporting in 1K, but not when exporting in 4K.

3
Hello y'all! I hope you're doing well.

I've got 2 problems that I don't manage to fix, even after reading/trying everything I could find on the forum.

I have a very large bridge to texture. It has multiple UDIMs, and multiple meshes all combined in one.

1) Everytime I try to bake some mesh maps, they keep coming out black (or they just don't come out). I looked at my UDIMs, they are clean. I cleaned up my model. I froze all transforms and deleted all histories. I tried various baking methods, wether it was with or without high poly mesh, with or without bounding box, with or without a boox, with or without relying on CPU, etc... Nothing works.

2) One of the meshes is having stretching textures on certain faces only, even though its UVs are perfectly unfolded, and square. It is not smoothed up, so that can't be deforming the UVs.

It's the first time I encounter this kind of problem, and having a deadline coming up, I begin to be slightly worrying, ahah! If anyone can help, even if it's only by giving me leads to follow, that'd be awesome!!

Thanks a lot in advance, and have a good evening/day!

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