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Limitations in IFC object conversion

Last updated September 6, 2017 by Tekla User Assistance tekla.documentation@trimble.com

Software version: 
2017i

Limitations in IFC object conversion

Limitations in IFC object conversion

Tekla Structures is dependent on the quality of the IFCfile format commonly used in BIM that facilitates software interoperability

IFC is an open specification developed by the IAI (International Alliance for Interoperability).

Model can be exported into an IFC file.

model, because it uses information available in the model when converting objects.

Tekla Structures converts most linear IFC objects to native Tekla Structures objects.

The following limitations exist in IFC object conversion:

  • If the IFC model does not comply with standard, it might not be converted as expected.
  • Bolts, reinforcement and welds cannot be converted to native Tekla Structures objects.
  • The currently supported physical elements: IfcBeam, ifcColumn, ifcMember, ifcPile, ifcFooting, ifcPlate, ifcDiscreteAccessory, ifcSlab, ifcWall, ifcWallStandardCase, ifcRailing and ifcBuildingElementPart.
  • Only SweptSolid, Brep, CSG and Clipping representations are supported.
  • Multiple representations for one object are not supported.
  • Profile offset is not supported.
  • Profiles with more than 99 polygon points are not converted correctly.
  • Sometimes, chamfers may be converted incorrectly.

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