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Exporting from Cinema 4D and Blender into Substance. Not finding edges.

Community Beginner ,
Oct 01, 2022 Oct 01, 2022

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Hi all.

I’m currently trailing Substance Painter and I don’t know if I’m missing something. I’ve tried exporting from both Cinema 4D and Blender and get the same results. I can’t seem to get the smart masks to work.

 

I’ve got a basic cube. I’ve tried both UV unwrapping in Cinema 4D (not up to speed with Blender yet), and I’ve tried Substance’s own auto unwrapping. I’ve exported the cube as an fbx. Imported it into Substance > New Project >
Nothing selected in the template,
Resolution 1024 (also tried 2048),
Normal map (tried both OpenGL and DirectX),
UV Tile workflow (again tried both),
and tried Auto-unwrap checked on unchecked.

 

Loads un and seems to recognise the UV layout.

 

Snap1.jpg

 

Apply a smart material (eg. Copper Worn), all ok.

 

Snap2.jpg

 

Add a fill layer on top, again all ok.

 

Snap3.jpg

 

Then apply the Edge Damage smart mask to the fill layer.

And get this result.

 

Snap4.jpg

 

I then tried baking the material before applying anything,

 

Snap5.jpg

Snap7.jpg

 

with the following results.

 

Snap8.jpg

and with the mask inverted

 

Snap9.jpg

 

If I open their sample (EG. MeetMat), and do the same it works as expected. IE. Damage along the edges.

 

Snap10.jpg

What am I doing wrong.

Thanks in advance. 

TOPICS
Automatic UV unwrapping , Baking , Import & Export , UV Tiles

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correct answers 1 Correct answer

Community Expert , Oct 01, 2022 Oct 01, 2022

Hi

The edge damage mask makes heavy use of the baked curvature map. Chances are that map has no information in it -  you can check by changing the view from material to curvature.  Try rebaking and increasing the sampling radius for curvature baking. Once you have information in that map - try your smart materials and maps again.

 

As an aside, when importing from Blender choose OpenGL as the normal format for import and also for export. I usually set the bake maps to the same size as the projec

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Community Expert ,
Oct 01, 2022 Oct 01, 2022

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Hi

The edge damage mask makes heavy use of the baked curvature map. Chances are that map has no information in it -  you can check by changing the view from material to curvature.  Try rebaking and increasing the sampling radius for curvature baking. Once you have information in that map - try your smart materials and maps again.

 

As an aside, when importing from Blender choose OpenGL as the normal format for import and also for export. I usually set the bake maps to the same size as the project texture maps.

 

Dave

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Community Beginner ,
Oct 02, 2022 Oct 02, 2022

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You sir, are a hero.

Spot on. Thanks for the help. Just goes to show how much I have to learn.

 

Thanks again.

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