Module spatial_lookups 

The element -> spatial-container lookup tables of SpatialHierarchyData (element_to_storey and friends), split out of spatial.rs for the module-size ratchet. Built after the node tree so the storey ruling can tell a project-reachable storey from a rescued orphan (#4310).

Structs

ElementLookups 🔒

Functions

build_element_lookups 🔒

IFCRELCONTAINEDINSPATIALSTRUCTURE pairs bucketed by container type. project_reachable is the node set BEFORE orphan rescue; only those storeys compete for the first-declared storey slot.