Description

A small seam is created when merging an actor with overlapping UVS

Steps to Reproduce
  1. compile and open QA game
  2. Load TM-MeshBakeMap
  3. Navigate to display 4.A
  4. Select all the actors behind the display
  5. Open the merge actors window (window>developers tool>Mere Actors>)
  6. Set Lodselection to use specificLodlevel
  7. Enable Material merge
  8. Press merge actors and save the object
  9. Open the texture sheet of the new actor
    Result
    A small seam is created at the top of the object that can be seen on the roughness and metallic map

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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-38669 in the post.

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Won't Fix
CreatedNov 16, 2016
ResolvedNov 16, 2016
UpdatedApr 27, 2018