Optional
Closed outline as 2D storey-local points (≥3). Auto-closed at emit time.
Local placement origin (metres). Defaults to [0, 0, 0].
[0, 0, 0]
'polygon' selects the IfcArbitraryClosedProfileDef path.
'polygon'
Closed outline as 2D storey-local points (≥3). Auto-closed at emit time.