Autodesk / Autodesk/revit-ifc

PR: Beam with CSG not properly converted

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#707 1 comment 1 reaction 0 assignees View on GitHub
problem
Dominant language
C#
Stars
637
Forks
225
PR merge metrics
No merged PRs in 30d

Description

### Problem Description

A beam (see attached) uses a CSG representation. In Revit 2023 the CSG boolean differences are not shown.

[beam2.ifc.txt](https://github.com/Autodesk/revit-ifc/files/13421381/beam2.ifc.txt)

![2023-11-21-141414_1434x445_scrot](https://github.com/Autodesk/revit-ifc/assets/88302/969ad43a-a60f-479f-b0ae-4d372cfe50d3)

![MicrosoftTeams-image](https://github.com/Autodesk/revit-ifc/assets/88302/3a03c828-b8b1-4c37-9d64-c1c7f3818dd6)

### Revit Version

2024.0.x

### IFC for Revit Addon Version

24.x.x

### Windows Version

11 22H2

Contributor guide

Open the contributing guide

Research direction

Start by reproducing the attached beam2.ifc case in Revit 2023 and compare the result with the reported screenshots. Investigate how the IFC beam's CSG boolean differences are converted; the work is done when those differences are displayed correctly in Revit.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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