IfcExplorer CityGML Export

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A complete IFC model can be exported into CityGML by using the IfcExplorer (FZK internal version).

Export Workflow


  • select "File-->Export-->CityGML"
  • select the Level of Detail and the building elements for the export
  • enter the global offset and the elevation
  • confirm or change the file name
  • confirm input by pressing ok
Image:CityGML-1.png

Export Options


  • Level of Detail
  • selection of building elements
  • selection of geometry type (e.g. solid geometry)
  • global position and elevation
Image:CityGML-2.pngImage:CityGML-3.png

Export Results


  • IFC building elements are converted into corresponding CityGml entities
  • IFC property sets are converted into CityGML generic attributes
  • IFC external references are converted into CityGML external references
  • the IFC building structure is converted into a set of CityObjectGroups
Image:CityGML-4.png

CityGML model imported into LandXplorer

Image:CityGML-5.png

CityGML model imported into Aristoteles


Examples of converted models can be found here

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