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PLY Exporter is broken on specific models #103199

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opened 2022-12-14 00:31:16 +01:00 by billgoysa · 13 comments
billgoysa commented 2022-12-14 00:31:16 +01:00
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System Information
Operating system: Linux
Graphics card: RTX 3090

Blender Version
3.2.2 and 3.4.0 (latest)

PLY Exporter is broken on specific models, it exports half the mesh totally broken, something to do with the index buffer, even if I export as OBJ and then import and export at PLY to lose any formatting in bender the PLY still exports broken. The OBJ exports fine.

I am exporting as ASCII PLY, Selected Object, Vertex, Normal, UV.
model.ply

model.obj

**System Information** Operating system: Linux Graphics card: RTX 3090 **Blender Version** 3.2.2 and 3.4.0 (latest) PLY Exporter is broken on specific models, it exports half the mesh totally broken, something to do with the index buffer, even if I export as OBJ and then import and export at PLY to lose any formatting in bender the PLY still exports broken. The OBJ exports fine. I am exporting as ASCII PLY, Selected Object, Vertex, Normal, UV. [model.ply](https://archive.blender.org/developer/F14056374/model.ply) [model.obj](https://archive.blender.org/developer/F14056375/model.obj)
billgoysa commented 2022-12-14 00:31:16 +01:00
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Added subscriber: @billgoysa

Added subscriber: @billgoysa
Hans Goudey commented 2022-12-14 01:05:22 +01:00
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Added subscriber: @HooglyBoogly

Added subscriber: @HooglyBoogly
Hans Goudey commented 2022-12-14 01:05:22 +01:00
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Changed status from 'Needs Triage' to: 'Needs User Info'

Changed status from 'Needs Triage' to: 'Needs User Info'
Hans Goudey commented 2022-12-14 01:05:22 +01:00
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I cannot attach the blender file as it is a commercial mesh from TurboSquid, you need to request it from me via email.

For a bug report we need public files uploaded here. There should be some way to simplify or "destroy" the file so it's unrecognizable while still keeping the issue.

>I cannot attach the blender file as it is a commercial mesh from TurboSquid, you need to request it from me via email. For a bug report we need public files uploaded here. There should be some way to simplify or "destroy" the file so it's unrecognizable while still keeping the issue.
billgoysa commented 2022-12-14 01:15:03 +01:00
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In #103199#1459932, @HooglyBoogly wrote:

I cannot attach the blender file as it is a commercial mesh from TurboSquid, you need to request it from me via email.

For a bug report we need public files uploaded here. There should be some way to simplify or "destroy" the file so it's unrecognizable while still keeping the issue.

Good idea, I added two files, the broken PLY export and the OBJ which is correct and can be exported to PLY to see it break.

> In #103199#1459932, @HooglyBoogly wrote: >>I cannot attach the blender file as it is a commercial mesh from TurboSquid, you need to request it from me via email. > For a bug report we need public files uploaded here. There should be some way to simplify or "destroy" the file so it's unrecognizable while still keeping the issue. Good idea, I added two files, the broken PLY export and the OBJ which is correct and can be exported to PLY to see it break.
Hans Goudey commented 2022-12-14 01:16:03 +01:00
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Changed status from 'Needs User Info' to: 'Needs Triage'

Changed status from 'Needs User Info' to: 'Needs Triage'
Pratik Borhade commented 2022-12-14 07:45:55 +01:00
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Added subscribers: @MikhailRachinskiy, @PratikPB2123

Added subscribers: @MikhailRachinskiy, @PratikPB2123
Pratik Borhade commented 2022-12-14 07:45:55 +01:00
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Pratik Borhade commented 2022-12-14 07:45:55 +01:00
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I can confirm. Like #103203 I think this is also affected by 94bd481980
cc @MikhailRachinskiy

I can confirm. Like #103203 I think this is also affected by 94bd481980 cc @MikhailRachinskiy
Mikhail Rachinskiy commented 2022-12-14 16:31:35 +01:00
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Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'
Mikhail Rachinskiy self-assigned this 2022-12-14 16:31:35 +01:00
Mikhail Rachinskiy commented 2022-12-14 16:31:35 +01:00
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Resolved by 60299fcc23

Resolved by 60299fcc23
billgoysa commented 2022-12-14 22:29:19 +01:00
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It's not even funny how broken this is, it's still exporting broken UV coordinates, they work ONLY IN BENDER, aka, the exported UV's only work when you import the file back into blender, they DO NOT work anywhere else, do I need to make a new ticket?

It's not even funny how broken this is, it's still exporting broken UV coordinates, they work ONLY IN BENDER, aka, the exported UV's only work when you import the file back into blender, they DO NOT work anywhere else, do I need to make a new ticket?
Mikhail Rachinskiy commented 2022-12-15 01:31:27 +01:00
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Cross software compatibility is unrelated to the current issue, you have to create new one, tag me in it and provide simple example file in PLY ASCII format so I could compare the implementation.

Cross software compatibility is unrelated to the current issue, you have to create new one, tag me in it and provide simple example file in PLY ASCII format so I could compare the implementation.
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Reference: blender/blender-addons#103199
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