topic Re: 2018 not exporting "smoothing groups". in Maya LT Forum

2018 not exporting "smoothing groups".

sqwert — Sun, 03 Dec 2017 04:19:36 GMT

As the title says, LT 2018 not exporting "smoothing groups" according to Unreal.

Any idea when this will be fixed?

Re: 2018 not exporting "smoothing groups".

sean.heasley — Mon, 04 Dec 2017 18:59:24 GMT

If you're exporting to Unreal you must be in FBX format. There's a toggle setting under Geometry that says 'Smoothing Groups'. If you toggle this on the error should go away when you import into UE4.

Please let me know if this helps or if you need any more assistance!

If one or more of these posts helped answer your question, please click Accept as Solution on the posts that helped you so others in the community can find them easily.

Kudos are greatly appreciated. Everyone likes a thumbs up!

Re: 2018 not exporting "smoothing groups".

sqwert — Mon, 04 Dec 2017 19:35:01 GMT

Hi, I do have the "smoothing groups" toggle on as well as "triangulate" for export to EU4 and Substance Painter.

Don't get the error message when exporting unti EU4 from 2017 only 2018

Re: 2018 not exporting "smoothing groups".

sean.heasley — Mon, 04 Dec 2017 19:41:47 GMT

Hi @sqwert

Hmm that's unusual.

Another step for you to try is after you import, open your static mesh in UE4 and enable Recompute Normals and Recompute Tangents Under LOD0 and save it.

Let me know if that works for you!

Re: 2018 not exporting "smoothing groups".

sqwert — Mon, 04 Dec 2017 20:47:38 GMT

here is a screenshot exporting using "Export Selection".

Exporting using the "Game Exporter" does not result in the "Smoothing groups Unsupported" dialog box

Re: 2018 not exporting "smoothing groups".

sean.heasley — Mon, 04 Dec 2017 20:58:27 GMT

Hmm it looks like there may be an issue with your Game Exporter.

If you want a quick workaround, you can manually export as an fbx by selecting the model and selecting Export Selection. The same toggle options that you see in Game Exporter will be there as well.

When you get a chance, let me know if this works for you!

If one or more of these posts helped answer your question, please click Accept as Solution on the posts that helped you so others in the community can find them easily.

Kudos are greatly appreciated. Everyone likes a thumbs up!

Re: 2018 not exporting "smoothing groups".

sqwert — Mon, 04 Dec 2017 21:04:45 GMT

The game exporter is fine, the other two options give the error, "export selection" and "export all"

Re: 2018 not exporting "smoothing groups".

sean.heasley — Mon, 04 Dec 2017 21:24:15 GMT

Ah my mistake I misread the post

So using Game Exporter solves your issue?

Re: 2018 not exporting "smoothing groups".

sean.heasley — Tue, 05 Dec 2017 20:10:32 GMT

Hi @sqwert

I'm just checking in again to see if you need more help with this. Does using Game Exporter solve your issue?

If so, please click Accept as Solution on the posts that helped you so others in the community can find them easily.

Re: 2018 not exporting "smoothing groups".

sqwert — Tue, 05 Dec 2017 22:59:29 GMT

HI, yes game exporter does the job.

Re: 2018 not exporting "smoothing groups".

sqwert — Sat, 09 Dec 2017 05:32:00 GMT

Seems Game Exporter is having a bad day, gone back to not exporting smoothing groups according to EU4

Re: 2018 not exporting "smoothing groups".

sean.heasley — Tue, 12 Dec 2017 15:03:24 GMT

Hi @sqwert

Hmm that's unusual. I'm curious if there may be an issue with the model(s) and/or you Maya.

When you get a chance, can you please zip and attach the scene file here or via dropbox/google drive or another file sharing program so I can take a look at it?

Re: 2018 not exporting "smoothing groups".

sqwert — Tue, 12 Dec 2017 20:29:29 GMT

created a cube primitive, scaled it up, clicked "Smooth" under Mesh menu.

Cube then looked smoothed.

Exported using Game Exporter, with smoothing groups and triangulate checked.

On import into Unreal, message was logged that there was no smoothing group information in the FBX.

In the Unreal viewport the smoothed cube looks as it did in the Maya viewport though.

Re: 2018 not exporting "smoothing groups".

sean.heasley — Tue, 12 Dec 2017 21:38:23 GMT

Hi @sqwert

I went ahead and made a quick video showing my process and how I don't see the errors. Let me know if it helps at all or if I missed anything!

If one or more of these posts helped answer your question, please click Accept as Solution on the posts that helped you so others in the community can find them easily.

Kudos are greatly appreciated. Everyone likes a thumbs up!

Re: 2018 not exporting "smoothing groups".

sqwert — Tue, 12 Dec 2017 23:35:05 GMT

Its the triangulate check box that is giving me the "smoothing groups are unsupported" on export.

With that off neither Maya or Unreal complains.

Something has changed from the 2017 version, because I had always exported with triangulate on, following the Substance Painter tutorial recommendations.

Re: 2018 not exporting "smoothing groups".

Giglio1982 — Wed, 10 Jan 2018 09:17:25 GMT

I have a similar problem in Unity. I followed your tutorial yet when I import my fbx to Unity a wierd artifax happens.

Re: 2018 not exporting "smoothing groups".

sean.heasley — Wed, 10 Jan 2018 14:50:44 GMT

Hi @Giglio1982

That actually looks like an issue with your UV/Texture not smoothing groups.

That line you're seeing is the current seam on your model which is the edge of your texture.

To fix this you would either need a tileable texture or to use vertex painting to "hide" the seam.

Re: 2018 not exporting "smoothing groups".

Anonymous — Wed, 28 Feb 2018 08:42:59 GMT

Re: 2018 not exporting "smoothing groups".

Anonymous — Wed, 28 Feb 2018 08:45:33 GMT

When you export to Substance Painter, the recommendation is to have both trianglate and smothing groups checked. I'm getting errors in my bake, and figured I'd try their way out, but now this.

Re: 2018 not exporting "smoothing groups".

Anonymous — Wed, 28 Feb 2018 08:49:40 GMT

found a solution? triangulate before export?