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Double check mesh sidedness #1746

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cpichard opened this issue Nov 3, 2023 · 1 comment · Fixed by #1752
Closed

Double check mesh sidedness #1746

cpichard opened this issue Nov 3, 2023 · 1 comment · Fixed by #1752
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@cpichard
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cpichard commented Nov 3, 2023

Describe the bug
There has been several reports of errors with sidedness, as by default, arnold has double sided meshes whereas usd has single sided meshes by default. We want to make sure this is working correctly and if so add some documentation explaining the difference.
@cpichard cpichard added the bug Something isn't working label Nov 3, 2023
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Issue synced internally to ARNOLD-14388

sebastienblor added a commit to sebastienblor/arnold-usd that referenced this issue Nov 13, 2023
@sebastienblor
Fix sidedness inconsistencies between hydra and USD Autodesk#1746
3b924f3
@sebastienblor sebastienblor mentioned this issue Nov 13, 2023
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sebastienblor added a commit that referenced this issue Nov 15, 2023
@sebastienblor
Fix sidedness inconsistencies between hydra and USD (#1752)
6f03983 
* Fix sidedness inconsistencies between hydra and USD #1746

* Add changelog

* Revert change in test_1331

* Use the sss ray flag for single sided meshes

* Factorize function to read the objects sidedness

* Remove unwanted newline
@github-project-automation github-project-automation bot moved this from Todo to Done in Arnold USD Nov 15, 2023
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Fix sidedness inconsistencies between hydra and USD sebastienblor/arnold-usd
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@cpichard