Dion Moult

How to export light sources to IFC?

5

I'm trying to export a Revit light source to an IfcLamp so that I can specify the lamp type (e.g. LED) and properties. Is this possible? I've tried and only...

Missing parameters for GlobalId in the shared parameters file

8

In this file: https://github.com/Autodesk/revit-ifc/blob/master/Install/Program%20Files%20to%20Install/IFC%20Shared%20Parameters-RevitIFCBuiltIn_ALL.txt If I want to manually specify the `GlobalId` of the `IfcProject`, or `IfcSite` or `IfcBuilding`, the only applicable parameter I see is `IfcSiteGUID`. However, I have...

Import an IFC using the angle to true north to influence rotation

5

When an IFC is imported, its local coordinates are always lined up to project north. This is a problem, because some IFC files (i.e. from ArchiCAD) are already rotated such...

IfcExportType sets PredefinedType to NOTDEFINED for certain objects

6

I've got a Revit 2021 project where IfcExportAs is set to IfcFlowMeterType and IfcExportType is set to WATERMETER. The IfcExportAs works, but the PredefinedType is set to NOTDEFINED. Another combination...

Where are the Revit shared parameters installed?

16

In this document https://blogs.autodesk.com/revit/wp-content/uploads/sites/110/2022/02/09/revit-ifc-open-bim-manual-en.pdf It says: "The most relevant among these are the IFC Shared parameter files which are used to add IFC properties to Revit. These are stored in:...

Can I link IFC files programmatically using the API?

6

Is it possible to link an IFC programmatically? Such that I can run it via a macro? I'd like to link a bunch of IFCs in bulk. I saw some...

Door swings from ArchiCAD IFCs don't show up in Revit

12

It seems as though it is not possible for door swings to show up in Revit from ArchiCAD produced IFC4 files. The doors have a regular model body representation which...

Revit Curtain Walls doesn't seem to obey IfcExportAs

9

This seems symptomatic of a few other family categories, but Revit curtain walls don't seem to respect the value of the IfcExportAs. I can't get it to export, say, as...

PR: Different project north rotations depending on linking in IFC and corresponding .ifc.rvt file

1

### Problem Description This is a related issue to #522 . When an IFC is linked, in the background it generates a correlating .ifc.rvt file. When an IFC is linked...

PR: backfaces or faces with normals pointing in -Z global direction cannot have spot elevations or spot coordinates

1

### Problem Description This is similar to #511 but even applies to regularly shaped triangles. ### Revit Version 2024.0.x ### IFC for Revit Addon Version 24.x.x ### Windows Version 11...