In Norway the IFC-format is approved as a national archive format for BIM-models. This approval leads to requirement for a strict format versioning regime. For a typical IFC-file the format version is given like this (from Archicad): [image] But we need to know if it is IFC 4.0.2.1, IFC 4.1.0.0…

Versioning in the IFC-file

Steffen.Rabe June 25, 2020, 11:15am 3

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