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Question by Mithrilshadow · Jan 15, 2016 at 04:03 AM · uv

Mesh doesn't have albedo UVs?

I am new to 3d modeling, I am taking an online course of 3d game assets. When I try to import the model into Unity 5 it looks fine, my models are unwrapped and projected. But unity console keeps telling me " Mesh doesn't have albedo UVs. Please create them in your modelling package". I have no idea what it wants, can someone clarify this for me? I can't find anything when I google search this.

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avatar image m_truly · Mar 14, 2016 at 09:06 PM 0
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When I get this message... It never tells me what mesh object has this problem.

Is there some way to find out what specific game object the error refers to?

Thanks!

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Answer by pikifou · Sep 01, 2016 at 01:31 PM

No need, you select your mesh in the project, you check "Generate Lightmap UVs" and that's all!

alt text


screenclip.png (38.8 kB)
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avatar image PorpitaStudios · Sep 05, 2016 at 04:47 PM 0
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Thnx +pikifou - hadn't spotted that before - new to unity so no surprise there :)

avatar image Yamel · Dec 14, 2016 at 08:14 PM 0
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@SilverSharp I can't open the import settings on some models to select the generate light maps uvs. Why is that?

avatar image azinicus Yamel · Dec 15, 2017 at 08:42 PM 0
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I think this is because some models are packaged inside a unity asset, which inherently cannot be split up... polygon reduction tools like Simplygon have a habit of doing this type of packaging, making it a pain to mess with the underlying polygons.

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Answer by PorpitaStudios · Aug 19, 2016 at 06:24 AM

Hi had similar problems - ie most times I reopen a project in Unity... I have gone back thru both models and fully unwrapped them in uv editing (Blender) and also tried the approach by @gshadow & @Mithrilshadow also and it still comes up about every time I reopen the Unity project.....

Is this a bug/glitch of Unity? (windows 10 - Unity v 5.3.4f1)

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Answer by gshadow · Feb 27, 2016 at 03:58 PM

Hi. I`m very new to 3D modeling (making 1st steps with YouTube tutorial) and faced same problem. Finally I found found solution for my case (with google help and some intuition). One site says that Unity need 2-nd UV map for "albedo" and I finally found how to add it:

  1. Open model in Blender and select it.

  2. In "properties" window, select "Data" tab (icon looks like upside-down triangle).

  3. Scroll down where UV Maps list box. There is a single "UVMap" in my case.

  4. Click "+" button to add one more UV Map.

  5. Save project and re-import in Unity. Now problem should gone.

I hope this helps to other newbies like me ^^ Good luck!

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avatar image farhan3d · Mar 14, 2016 at 12:09 PM 0
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Thanks! That helped :)

avatar image olivers89 · Apr 11, 2016 at 05:14 PM 0
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Thank you so much, that helped enormously, indeed! ^_^

avatar image jasbur · Jun 19, 2016 at 08:07 PM 0
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I spent hours Googling before I came across this answer. You have made my day. Thank You!

avatar image thedarcsage · Dec 31, 2016 at 10:43 PM 0
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This worked for me. In this case, I wasn't getting the emission to work with the Unity material.

I should try the option mentioned below as well - to click on Generate Lightmap UVs in Unity on the model after importing it. $$anonymous$$y example

emissive-material-blender-uv-map-for-unity-import.jpg (49.7 kB)
avatar image JG0328 · Mar 13, 2017 at 08:17 PM 0
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Thanks! ^_^

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Answer by SilverSharp · Jan 20, 2016 at 01:16 AM

@Mithrilshadow just unwrap the UV's of the model in your modeling program. Then try again. Hope this helps!

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