Development of dynamic three-dimensional coastal information system: A case study in Hong Kong

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Abstract

Coastal-related data are four-dimensional in nature, varying not only in location and water depth but also in time. The heterogeneous and dynamic nature of coastal-related data makes modeling and visualization of these data a challenging task. A new object-oriented spatiotemporal data model to represent dynamic three-dimensional coastal data is proposed in this study. In the proposed model, a set of abs data types allowing suitable spatiotemporal operations is defined to manipulate complex coastal data. In addition, a logical data model is proposed for the design of a spatiotemporal database. The proposed object-oriented and logical data models are implemented in a real-world coastal information management system in Hong Kong. An elegant visualization framework for displaying the coastal data, based on the concept of a time-depth bar, is presented in the case study. © IWA Publishing 2012.

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Chen, B. Y., Lu, J., Chen, X., & Wai, O. W. H. (2012). Development of dynamic three-dimensional coastal information system: A case study in Hong Kong. Journal of Hydroinformatics, 14(3), 815–828. https://doi.org/10.2166/hydro.2012.048

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