Harmonising the OGC Standards for the Built Environment: A CityGML Extension for LandInfra

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The relatively new Open Geospatial Consortium (OGC) standard LandInfra documents in its data model land and civil engineering infrastructure features. It has a Geography Markup Language (GML) implementation, OGC InfraGML, which has essentially no software support and is rarely used in practice. In order to share the benefits of LandInfra (and InfraGML) with a wider public, we have created the Infra Application Domain Extension (ADE), a CityGML ADE that allows us to store LandInfra features in CityGML. In this paper, we semantically map LandInfra to CityGML, describe our ADE, and discuss a few used cases where our ADE can be useful for applications for the built environment. We also provide software to automatically convert datasets from InfraGML to CityGML (and our ADE), and vice versa, as well as to validate them, which will help practitioners generate real-world InfraGML datasets.
Original languageEnglish
Article number246
Number of pages28
JournalISPRS International Journal of Geo-Information
Issue number6
Publication statusPublished - 2019


  • Infra ADE
  • LandInfra
  • InfraGML
  • CityGML
  • GIS
  • 3D City models


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