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Summary

--> download the IFC header implementation guide <---

 

The IFC file header is an implementation of the header section as defined in ISO 10303-21. It contains data about

  • name of the IFC schema version
  • description about the content and the options used for the file creation
  • name of the file, its authors, the application that created the file and the IFC preprocessor/toolbox used

 

The following figure shows a table with typical IFC header information and short explanation for each field. The detailed definitions and guidelines are provided in the IFC header implementation guide.

IFC header example


ISO-10303-21;
  HEADER;
    FILE_DESCRIPTION( (' ViewDefinition [CoordinationView]'),'2;1');
    FILE_NAME('C:\IAI_Test_Building.ifc',
      '2008-02-11T11:35:07', 
     ('Andreas Geiger','AndreasGeiger@iai.fzk.de'), 
     ('Forschungszentrum Karlsruhe '), 
      'ECCO Toolkit Version V 3.2.1', 
      'IfcExplorer Version 2.2a (Build 437)', 
      'Karl-Heinz Haefele');
    FILE_SCHEMA( ('IFC2X3') );
  ENDSEC;
  DATA;
    #1 =(); /* actual content of the IFC exchange structure */
  ENDSEC;
END-ISO-10303-21;