A Standard Indoor Spatial Data Model-OGC IndoorGML and Implementation Approaches
A Standard Indoor Spatial Data Model-OGC IndoorGML and Implementation Approaches
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DOI：
10.3390/ijgi6040116
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发表时间：
2017-04-01
影响因子：
3.4
通讯作者：
Li, Ki-Joune
中科院分区：
文献类型：
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作者：
Kang, Hae-Kyong;Li, Ki-Joune
随着室内空间数据建模、室内制图和室内定位技术的发展，室内空间信息服务与室外空间信息服务一样得到了广泛的应用。为了支持室内空间信息服务之间的互操作性，OGC（开放地理空间联盟）发布了IndoorGML作为标准数据模型和基于xml的交换格式。以前的标准，如IFC （Industrial Foundation Classes）和CityGML也涵盖室内空间，都是针对特征建模，而IndoorGML的目标是为室内空间模型建立一个标准基础。由于IndoorGML为室内空间定义了最小数据模型，因此需要付出更多努力来发现其潜在方面，而这些方面在标准文档中没有明确解释。在本文中，我们研究了IndoorGML的含义和潜在方面及其细胞空间模型的基本概念，并讨论了IndoorGML的实现问题。特别地，我们从IndoorGML的角度讨论了室内空间的单元确定、子间距和层次结构问题。此外，我们还重点研究了两个重要问题：室内距离的计算和基于IndoorGML的室内上下文感知服务的实现。我们希望这篇论文能够作为技术文档，在这些讨论中更好地理解IndoorGML。
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.