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Question by Vel_1828 · Nov 08, 2014 at 09:07 PM · lightmappingsketchup

Black Lines after Lightmaping a SketchUp model?

Topic pretty much sums it up. Made a simple model for a level's map in SketchUp. The problem is when I'm lightmapping it for optimalisation reasons, it creates these black seam-like lines in random places (look at: image below).

Am I missing an important option I was supposed to check in unity's Lightmapping options or model's inspector options?

alt text

Any intel?

blacklinesafterlightmap.png (111.4 kB)
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avatar image MrSoad · Nov 08, 2014 at 09:25 PM 0
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Take a look at my answer to this and check that you have this done correctly, if you have then the problem is somewhere else, possibly with your mesh(sketchup can produce messy meshes sometimes...).

http://answers.unity3d.com/questions/814380/shadows-not-displaying.html

avatar image Vel_1828 · Nov 09, 2014 at 11:20 AM 0
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Ah, unfortunately everything is set correctly. However ironic this sentence sounds. xP

avatar image MrSoad · Nov 09, 2014 at 11:27 AM 0
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Can you post the floor object in a .zip file here, I'm not sure I will be able to open it in Blender but I don't $$anonymous$$d trying. If so I will have a look at the mesh and see if anything stands out as being wrong.

avatar image Scribe · Nov 09, 2014 at 11:33 AM 0
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From sketchup, export the file to the Collada format if you are going to upload it, that way it can be opened in Blender! Sketchup normally creates loads of duplicate vertices which I think is likely to be the problem.

avatar image MrSoad · Nov 09, 2014 at 11:38 AM 0
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Thanks Scribe, I had no idea what sketchup used :)

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Answer by Vel_1828 · Nov 09, 2014 at 02:45 PM

Thank you all for your eager help - as I found out a second ago, just a simple "reverse faces" options in SketchUp repaired the problem. :P

Thanks again and closing the thread. ;)

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