IFC Schema - dd-bim/City2BIM GitHub Wiki

The following IFC schemas are supported by IFCTerrain. Here you get essential information related to the used schemas.

The main documentation of the IFC schema documentation can be found here: buildingSMART

We support the official version of IFC2x3, which can be read here: IFC 2x3 - buildingSMART

We already support in this version:

• the export of:
  • STEP Physical File (SPF) (*.ifc)
  • Extensible Markup Language (XML) (*.ifcXML) (Documentation - buildingSMART) (ISO 10303-28:2007)
• support shape representation (more information here):
  • IFCGeometricCurveSet (GCS)
  • IFCShellBasedSurfaceModel (SBSM)

We support the official version of IFC4 ADD2, which can be read here: IFC 4 ADD2 - buildingSMART

In this version we add the support of:

• the export of: IFCGeographicElement (Documentation - buildingSMART)
• support shape representation (more information here): IFCTriangulatedFaceSet (TFS)

In the future we would like to support IFC4.3 as well. This is still in draft and can be read here: IFC 4.3 - buildingSMART

We want to add the support of the shape representation: IFCTriangulatedIrregularNetwork (more information here - buildingSMART)