Normal Map Invisible for Multi-tiled UVs

[skylarrae]

I've searched all over for any answers to the issue I'm having with no luck. I created a low-poly mesh in Maya, UV mapped the mesh over 3 separate tiles, then sculpted it in Mudbox to extract the normal maps. I want to work on it in Substance Painter, but the normal maps only show up on UV tile 1001. Each part of the model has a different material, so thats not the issue. I don't think the exporting from Mudbox is the issue either, since they show up fine on the 1001 tile. 

This is the normal map placed on the correct UVs in 1002. It is not visible in the viewport.

This is the normal map placed on the incorrect 1001 tile. It is visible in the viewport no matter what map I plug in.

I'm posting here because I'm lead to believe that it is an issue within Substance Painter. If it isn't, at least I could narrow it down and keep researching. 

Any help?

[Cyril Dellenbach]

Hello @skylarrae,

Thanks for the message.

Can I have more info on your workflow? Are you exporting a Normal map from Mudbox, or are you baking your Low Poly in Substance 3D Painter? How are you applying the Normal map on the mesh?

Let me know.

[skylarrae]

Hi Cyril,

Thank you for the reply. I'm a student and I'm required to use Mudbox for this course in particular. I really dislike Mudbox's painting workspace, so I've been using Substance Painter instead. I took my low poly model from Maya to Mudbox, sculpted it to bake the normal map, and imported that normal map into Substance Painter. The normal map is its own file that I was importing here in the Texture Set Settings. No maps were baked within Substance Painter

 

[Cyril Dellenbach · Accepted solution]

Thanks for the details

Make sure to import the Normal Maps as a sequence. From the shared screenshot, we can see that the imported map isn't a sequence, and considering you're working with UDIM, this won't work properly.

You can follow this tutorial if you've never imported sequence images to Substance 3D Painter.

Best regards,

[skylarrae]

Thanks so much for your help! I found that tutorial last night from a different community post and I had no idea you could sequence the maps based on naming them. Total life saver!