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HakuWatari
Participant
February 23, 2024
Question

Fixing Seams, Don't appear on normal map, just material

  • February 23, 2024
  • 1 reply
  • 568 views

Hello all, I'm a newbie here i've tried lots of things but don't know where else to turn. 

The problem
Clear seam running down the barrel where the material meets iteself, See first image, Seems to be related to the world space normals attached to the grunge map as turning off the normal channel on the grunge map makes the issue go away. However, the seam is not visible on the world space normal map(or any map for that matter)

What I've already tried. 
Changing projection settings to Triplanar

Changing the grunge map to use Triplanar mapping
Changing the grunge map to just use the normal map, rather than the world space normals
Using the updated version of the "Finish Rough" Filter
Rebaking
Adjusted the UV map so there is space between the UV islands
using a pass through layer, then clone brush then painting over the seam. (This worked but imo looked messy and there feels like a better way of  fixing this)


This topic has been closed for replies.

1 reply

Cyril Dellenbach
Community Manager
Cyril DellenbachCommunity Manager
Community Manager
February 26, 2024

Hi @HakuWatari,

 

Thanks for the message and the details.

 

MatFinish maps are greats, but they unfortunately can't be seamless. They heavy rely on the Normal map to build their effects, and normals are a lot more complicated to make seamless.

In fact, if you disable the nrm channel in your finish_rough effect, the seam should disapear.

 

Therefore, you either have to accept the seam, or to use a different effect/material. Alternatively, you could use the Clone tool (blending mode set to Passthrough) to cover seams.

 

Regards,

Cyril Dellenbach (Micro) | QA Support Artist | Adobe
    H
    HakuWatariAuthor
    Participant
    February 26, 2024

    Hi there, 
    thanks for the input, Yes I mention this in my post that turning off the normal channel on the grunge map makes the seam disappear and that using the cloning tool to paint over the seam was a solution but I felt it was a bit messy. I was just hoping there might be a different more high level solution.

    I take it, this is just a learning curve of knowing the best place to put seams on the model so they're not as visible? or just covering them up. 

    The reason I have those seams was to allow me to condense the model onto a 2k map while still maintaining the 5.12 texden that I wanted, but I guess I may just have to reduce the amount of seams, and increase the 2k map to 4k. 

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