We both clearly know where is the challenge point
COBie and IFC mapping Developers - General
Both IFC and COBie spreadsheet are not “static” and most of the times, COBie spreadsheet doesn’t use just as an archive (which the input data just comes from IFC file) For this reason “you have to have a mechanism to archive changes inside the spreadsheet” IFC has IfcOwnerHistory yes, but as you mentioned nobody uses it and even bSI is thinking to drop it. But I think it’s useful, especially after ISO 19650 which mainly focuses on legal aspects, so owner and owner history becomes important Al…
And I just want this challenge solves, it doesn’t matter who first finds issues
Hope all of us help together solve issues and improve IFC
Still some see IFC as second choice, and a “medium” solution/schema/file format and prefer their solution(s) be the first and IFC be the second, but I want IFC be the first choice