Description

DESCRIPTION: When importing a mesh created with Maya then saving, closing, and reopening the editor, if you add a LOD via the right mouse menu or mesh editor will result in the LOD importing -90 rotated.

Notes:
This only happens when using a mesh that has previously been loaded and saved and the project been closed and reopened. If all is imported and setup before the project is closed everything works as intended.

This was tested with 3Ds Max 2013 (Issue not present) and Maya 2014, and only Maya assets were causing the issue.

AnswerHub Post: https://answers.unrealengine.com/questions/128086/lod-meshes-import-with-90-rotation.html

ATTACHED: 2 mesh assets, 1 for base and 1 for LOD

ENVIRONMENT:
OS: Windows 8.1
PROCESSOR: Intel(R) Xeon(R) CPU E5-2620 @ 2.10GHz
MEMORY: 32GB RAM
GRAPHICS: NVIDIA GeForce GTX 770

Steps to Reproduce

FREQUENCY: 3/3
====================================

REPRO STEPS:

1. Open UE4
2. Import base mesh
3. Save All and exit
4. Re-open project
5. Import LOD1 for the base mesh via the content broswer right mouse context menu or mesh editor

Users video demonstration: [Link Removed]

Expected: LODs will import the correct direction when imported

RESULTS: Importing a single LOD manually after exiting and reopening will result in the mesh being shifted -90 degrees

Have Comments or More Details?

There's no existing public thread on this issue, so head over to AnswerHub just mention UE-5041 in the post.

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Cannot Reproduce
CreatedNov 5, 2014
ResolvedAug 2, 2016
UpdatedJul 14, 2021