Abstract
AbstractIn recent years research interests in 3D geospatial information have been increased to provide location based services and to develop various 3D urban models used in many fields such as urban planning, and disaster management. Especially, due to increasing the scale and complexity of buildings, many researchers have studied to provide the services such as indoor navigation for disaster. In order to manage complicated indoor spatial information efficiently, it is necessary to develop the indoor spatial data model by extending the developed 3D spatial models which have been developed for outdoor space. Although CityGML (City Geography Markup Language) is an international standard model and it supports five Level of Detail for spatial data of urban areas, it is limited to represent and manage indoor facilties in indoor space. In this chapter, we have proposed CityGML Indoor ADE (Application Domain Extensions) applied to implement indoor space and indoor facility management applications. CityGML Indoor ADE is composed of two feature models including indoor space feature model representing space features and indoor facility feature model representing indoor facilities in indoor space. We generate the XML schema of the CityGML Indoor ADE presented by UML diagrams and develop a viewer to visualize the XML documents in order to validate the indoor space feature model. As well, we construct the sample data based on indoor facility feature model to demonstrate the usefulness of the model for indoor facility management applications.KeywordsCityGMLCityGML indoor ADE3D data modelIndoor spatial information
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