IFC building model
Schema: "IFC4"
Description: "ViewDefinition [ReferenceView_V1.0]"
File name: "slab_hexagon_unique-vertices"
Time stamp: "2014-07-10T18:45:13"
Author: "Jon Mirtschin"
Organization: "Geometry Gym"
Preprocessor: "ggGrasshopperIFC"
Originating system: "ggGrasshopperIFC"
Authorization: "None"

Units
  LENGTHUNIT: METRE
  AREAUNIT: SQUARE_METRE
  VOLUMEUNIT: CUBIC_METRE
  PLANEANGLEUNIT: RADIAN
  TIMEUNIT: SECOND

Spatial structure
IFCPROJECT "P1" | long name "Default project" | description "project used for the unit test case"
  IFCBUILDING "Grasshopper Building" | long name "GH Building" | description "GH Building"
    contains 1 element
      1 x IFCSLAB | FLOOR | names: "Slab 1" | descriptions: "slab 1 used for the unit test case"