Integrating IndoorGML and CityGML for Indoor Space

  • Joon-Seok Kim
  • Sung-Jae Yoo
  • Ki-Joune Li
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8470)


Recent progress on indoor positioning and mobile devices allows to provide indoor spatial information services such as indoor LBS or indoor disaster management. In order to realize these services, indoor maps are a crucial and expensive component of the system. For this reason, the interoperability among services and sharing indoor map and spatial information is a fundamental requirement of the indoor spatial information system. Several geospatial standards have been and being developed to meet this requirements, among which CityGML LoD 4 (Level of Detail 4) and IndoorGML are the most relevant ones for indoor spatial information. However the objectives and scope of these standards are different although their integration may give a synergy effect. In this paper, we discuss the issues on the integration of IndoorGML and CityGML LoD 4 and propose two methods: automatic derivation of IndoorGML data from CityGML LoD 4 data set and external references from IndoorGML instance to an object in CityGML data. The derivation and reference of external objects are based on the mapping relationship between feature types in CityGML and IndoorGML to be investigated in this paper. A simple prototype will be also presented, which has been developed to validate our methods.


IndoorGML CityGML indoor spatial information mapping relationships between IndoorGML and CityGML derivation of IndoorGML from CityGML external reference of IndoorGML to CityGML 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Joon-Seok Kim
    • 1
  • Sung-Jae Yoo
    • 1
  • Ki-Joune Li
    • 1
  1. 1.Department of Computer Science and EngineeringPusan National UniversityPusanSouth Korea

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