IFC building model
Schema: "IFC4"
Description: "ViewDefinition[DesignTransferView]"
File name: "hello-wall.ifc"
Time stamp: "2024-09-23T20:57:12+02:00"
Preprocessor: "IfcOpenShell 0.8.0"
Originating system: "Bonsai 0.8.0"
Authorization: "Nobody"

Units
  LENGTHUNIT: METRE
  PLANEANGLEUNIT: degree (conversion based)
  AREAUNIT: SQUARE_METRE
  VOLUMEUNIT: CUBIC_METRE

Spatial structure
IFCPROJECT "My Project"
  IFCSITE "My Site"
    IFCBUILDING "My Building"
      IFCBUILDINGSTOREY "My Storey"
        contains 3 elements
          2 x IFCWINDOW | type IFCWINDOWTYPE "WT01" | names: "Window" | material: "WOOD"
          1 x IFCWALL | type IFCWALLTYPE "WAL100" | names: "Wall" | material: layers ("CONCRETE" 0.1) | property sets: Pset_WallCommon
        IFCSPACE "My Space" | SPACE

Types
  IFCWINDOWTYPE "WT01" | 2 occurrences | material: "WOOD"
  IFCWALLTYPE "WAL100" | 1 occurrence | material: layers ("CONCRETE" 0.1)

Property sets
  Pset_WallCommon | properties | on 1 object (1 IFCWALL)
    IsExternal = TRUE (IFCBOOLEAN)