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ISPRS Int. J. Geo-Inf. 2017, 6(4), 116; doi:10.3390/ijgi6040116

A Standard Indoor Spatial Data Model—OGC IndoorGML and Implementation Approaches

Department of Computer Science and Engineering, Pusan National University, Busan 46241, Korea
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Received: 31 December 2016 / Revised: 31 March 2017 / Accepted: 10 April 2017 / Published: 12 April 2017
(This article belongs to the Special Issue 3D Indoor Modelling and Navigation)

Abstract

With the recent progress in indoor spatial data modeling, indoor mapping and indoor positioning technologies, several spatial information services for indoor spaces have been provided like for outdoor spaces. In order to support interoperability between indoor spatial information services, IndoorGML was published by OGC (Open Geospatial Consortium) as a standard data model and XML-based exchange format. While the previous standards, such as IFC (Industrial Foundation Classes) and CityGML covering also indoor space, aim at feature modeling, the goal of IndoorGML is to establish a standard basis for the indoor space model. As IndoorGML defines a minimum data model for indoor space, more efforts are required to discover its potential aspects, which are not explicitly explained in the standard document. In this paper, we investigate the implications and potential aspects of IndoorGML and its basic concept of the cellular space model and discuss the implementation issues of IndoorGML for several purposes. In particular, we discuss the issues on cell determination, subspacing and the hierarchical structure of indoor space from the IndoorGML viewpoint. Additionally, we also focus on two important issues: computation of indoor distance and the implementation of indoor context-awareness services based on IndoorGML. We expect that this paper will serve as a technical document for better understanding of IndoorGML throughout these discussions. View Full-Text
Keywords: indoor space model; cellular space model; OGC IndoorGML indoor space model; cellular space model; OGC IndoorGML
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Kang, H.-K.; Li, K.-J. A Standard Indoor Spatial Data Model—OGC IndoorGML and Implementation Approaches. ISPRS Int. J. Geo-Inf. 2017, 6, 116.

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