Autodesk / Autodesk/revit-ifc

PR: Base quantities wrong for concrete columns with openings

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#644 3 comments 0 reactions 0 assignees View on GitHub
problem
Dominant language
C#
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Forks
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PR merge metrics
No merged PRs in 30d

Description

### Problem Description

Base quantities of concrete columns are off as soon as the column contains an opening. If the opening is generated by a loadable void cut family there are also some base quantities missing. Tested for IFC2x3 CV2.

Model to reproduce: https://github.com/andydandy74/MyIssues/blob/master/RevitIFC644/127_IFC_ConcreteColumnsBaseQuantities.rvt

Column without opening:

![grafik](https://github.com/Autodesk/revit-ifc/assets/3014437/955eb28d-b23d-492d-9950-30df3a471bc8)

Column with OOTB opening:

![grafik](https://github.com/Autodesk/revit-ifc/assets/3014437/9ce87169-b2bb-4cc2-9060-336e57bf5ae9)

Columns with attached void cut family:

![grafik](https://github.com/Autodesk/revit-ifc/assets/3014437/bd140cf2-4539-4e4c-9628-1984388dd05d)

### Revit Version

2023.1.x

### IFC for Revit Addon Version

23.3.0

### Windows Version

10 22H2

Contributor guide

Open the contributing guide

Research direction

Start with the Revit model linked in the issue and reproduce the IFC2x3 CV2 export using Revit 2023.1.x and IFC for Revit 23.3.0. Compare base quantities for columns without openings, with OOTB openings, and with attached void cut families; done means the quantities are correct and no base quantities are missing.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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