OptionalDescriptionOptionalEdgeEnd of the base line, storey-local (metres). Same Z as Start.
OptionalGlobalExplicit GlobalId for the IfcCurtainWall (22-char IFC GUID); generated when omitted. Parts always get fresh ones.
Height above the base line (metres).
OptionalMullionMullion section. Default: a 50 x 150 mm rectangle (in-plane x depth).
OptionalNameOptionalObjectOptionalPanelPanel thickness (metres). Default 0.024.
OptionalPredefinedIfcCurtainWall PredefinedType (IFC4+). Default NOTDEFINED.
Start of the base line, storey-local (metres). Its Z is the base elevation.
OptionalTagOptionalTransomTransom section. Default: MullionProfile.
OptionalUVertical grid lines along the path: a bay count, or the interior lines'
distances from Start (strictly increasing, inside the length).
Default: equal bays no wider than 1.5 m.
OptionalVHorizontal grid lines up the wall: a bay count, or the interior lines' heights above the base (strictly increasing, inside the height). Default: 1 (no intermediate transom).
Frame the perimeter with edge mullions and transoms. Default true.