UDK is ruining my UV layout after Import

synergy11

Hi folks I have searched around and tried different fixes for this issue that worked for other people but to no avail...

This is the warning I get on import.


Warning: The light map UV set for static mesh {staticmeshfactory_2) appears to have layout problems. Either the triangle UVS are overlapping one another or the UV are out of bounds (O.O-1.0 range.)

I click ok then view the meshes UV layouts in UDK and they are all garbled and changed from what I did in Softimage.

The main UV channel is messed up and the lightmap uv channel isn't even showing.

Has anyone experienced this before?

Geledonutt

What format are you exporting in? I'm not to familiar with softimage, but it sounds like your not preserving uvws at export.

tremulant

try importing into another 3d app, or even back into xsi and see if tell us what the uvs look like. If so, it's an export problem like Geledonutt said.

Grimmstrom

Theres a bug in the current version of Unreal that cause vertices that are on the very edge pixel of the UV space to get clamped to the opposite side of the window, resulting in what looks like a garbled mess.

Try giving your UVs some padding around the edge and see if that helps

synergy11

Thanks!

I got it working now.

I deleted the Tangents and vertex color Ops in my models explorer then creating a new blank material with nothing attached and it works now.

EDIT- Fix for Softimage 6 UVs not importing correctly into UDK.