Enumerate the member objects of a group/zone ON-DEMAND — the inverse of the
groups field in extractRelationshipsOnDemand. Resolves the
RelatedObjects of the group's IfcRelAssignsToGroup (forward direction:
group → members). For an IfcZone this returns the IfcSpace / IfcSpatialZone
members so the UI can select/isolate everything in a dwelling, house number,
fire compartment, etc. (#1075).
Enumerate the member objects of a group/zone ON-DEMAND — the inverse of the
groupsfield in extractRelationshipsOnDemand. Resolves the RelatedObjects of the group's IfcRelAssignsToGroup (forward direction: group → members). For an IfcZone this returns the IfcSpace / IfcSpatialZone members so the UI can select/isolate everything in a dwelling, house number, fire compartment, etc. (#1075).