UDIM textures export but then Model only has 1 UDIM

September 11, 2019 15:24

I hit model export and I do get UDIM textures 1001-1007 but then when I open the model in Maya, all the UV shells are stacked in 1001 in a huge mess. What I am I doing wrong???

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6 comments

eXeCuze 1

May 12, 2020 10:09
Did you find any solution? I am running into the same problem now.

Tried exporting in UDIM format as in uv1_uv2 format, but unfortunately no luck.
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Erik Kubiňan CR

May 12, 2020 12:02
RC does not support UDIM, instead it uses multiple textures fit in a classic single UV space.
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eXeCuze 1

May 12, 2020 12:04
Thnx for your reply Erik.

Do you have any documentation about this? Would love to know how to set this up in different software packages.
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Erik Kubiňan CR

May 12, 2020 12:09
Not that I would know dear Tommy,
although I have used many other softwares with the outputs of RC and had no issues loading a single model with more "albedo" or "diffuse" textures linked to it. You just threat it as a model with single texture and UV but import more of them instead. If your software does not support multi texture assignment, then I recommend you to enable the option for exporting these as a single large texture instead.
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eXeCuze 1

May 12, 2020 12:16
Hmmn yeah ofcourse i guess this is pretty easy to setup in maya or 3Ds max or any other 3d package. But i guess it wont work for lets say a substance painter or mari? To be honest i find it really weird that there is an export option called UDIM, which isent UDIM. Thats a bit confusing right?
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Erik Kubiňan CR

May 13, 2020 12:19
Well it quite is, but there may be some solutions for importing and exporting such data to work as udims do. Although, it more or less is as I have explained for now.
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