From user:
Comparing UE, Arnold, Vray and MaterialXView that have MaterialX files imported, some materials of UE clearly look different from other renderers. Looking into this issue, we found that colors change because colors with more than 1.0 are clamped with Saturate in the implementation part of OrenNayer, in addition to the influence of the Thinfilm issue, which has already been reported (https://udn.unrealengine.com/s/question/0D5QP000006H6FP0A0).
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If applying Saturate after calculating the coat, the material looks more like the other renderers:
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See user's report in Description
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-211128 in the post.
| 0 |
| Component | UE - Editor - Content Pipeline - Import and Export |
|---|---|
| Target Fix | 5.5 |
| Fix Commit | 33170692 |
|---|
| Created | Apr 1, 2024 |
|---|---|
| Resolved | Apr 23, 2024 |
| Updated | Apr 30, 2024 |