IFC building model
Schema: "IFC4"
Description: "ViewDefinition [ReferenceView_V1.2]"
File name: "test.ifc"
Time stamp: "2020-03-23T21:44:45"
Preprocessor: "BSProLib (Ver:Next)"
Authorization: "-"

Units
  LENGTHUNIT: MILLI METRE
  AREAUNIT: SQUARE_METRE
  VOLUMEUNIT: CUBIC_METRE
  MASSUNIT: KILO GRAM
  TIMEUNIT: SECOND
  PLANEANGLEUNIT: RADIAN
  SOLIDANGLEUNIT: STERADIAN

Spatial structure
IFCPROJECT "Project name" | description "项目简介"
  IFCSITE "Site name" | latitude 60 21 1 -2147483648 | longitude 120 16 28 -2147483648 | elevation above sea level 1200.
    IFCBUILDING "Building name" | reference height above sea level 11500. | terrain above sea level 1500.
      IFCBUILDINGSTOREY "Storey:2" | elevation 3000.
        contains 4 elements
          4 x IFCSANITARYTERMINAL | SINK | names: "Sink Name", "Mapped Sink uniform scale:2", "Mapped Sink uniform scale:3" (+1 more)