Incorrect material.side values when loading with example project

[elunty]

Sample IFC: https://github.com/mrdoob/three.js/blob/dev/examples/models/ifc/rac_advanced_sample_project.ifc

Loading with default settings:

With "use fragments" turned on:

You'll notice that most of the materials are rendering wrongly, but i think the material.side is just sent incorrectly (for whatever reason). If you go inside the building, it renders properly from inside:

[Robert-Jonson]

Hi, @aka-blackboots I am Three.js developer. How am I assigned on this issue?

[aka-blackboots]

Hey @Robert-Jonson, do you mean to say you want to take this bounty?

[Robert-Jonson]

Thanks for your attention. Yes I mean. How can start work?

[aka-blackboots]

Cool, refer to this guide - https://ifcjs.github.io/info/docs/Guide/Handling%20bounties

You can start by using the take command, which will assign this bounty to you.

[Robert-Jonson]

Thanks for your teach.

[Robert-Jonson]

@aka-blackboots I can not find use fragment setting on example project. Can you help me to set the option?

[Robert-Jonson]

::take

[agviegas]

🟢🟢🟢

::take

Hi, @Robert-Jonson! Thanks for taking this bounty! The due date is July 5, 2023 UTC.

If you need to submit some pull requests (PR) to complete the tasks, make sure that the last and only the last PR has a title that either starts with the bounty ID or is exactly the same as the bounty name. After the PR is merged, this bounty’s status will automatically changed to done.

If you do not need to make a PR, tell the manager @agviegas to run ::done command after your tasks is confirmed to be done.

Good luck!

[agviegas]

🔴🔴🔴

Hi, @Robert-Jonson! The date is past due, your assignment has been revoked. It’s now available for anyone to take.