IFC building model
Schema: "IFC20_LONGFORM"
Description: "ArchiCAD generated IFC file."
File name: "IFCR2_Buildings_2.IFC"
Time stamp: "2001-05-15T21:51:12"
Author: "Architect"
Organization: "Building Designer Office"
Preprocessor: "PreProc - IFC Toolbox Version 2.0 (99/07/01)"
Originating system: "Windows System"
Authorization: "The authorising person."
Application: "6.5" version "ArchiCAD 6.5 (Graphisoft)"

People and organizations
  Person (no name given) of Organization id "OrganizationName"
  Organization id "Graphisoft"
  5 x Owner history of Person (no name given) of Organization id "OrganizationName" | application "6.5" version "ArchiCAD 6.5 (Graphisoft)"

Units
  LENGTHUNIT: MILLI METRE
  AREAUNIT: SQUARE_METRE
  VOLUMEUNIT: CUBIC_METRE
  SOLIDANGLEUNIT: RADIAN
  MASSUNIT: GRAM
  TIMEUNIT: SECOND
  DURATIONUNIT: SECOND
  THERMODYNAMICTEMPERATUREUNIT: DEGREE_CELSIUS
  LUMINOUSINTENSITYUNIT: LUMEN

Spatial structure
IFCPROJECT