Article (Scientific journals)
From consistency to flexibility: A simplified database schema for the management of CityJSON 3D city models
Nys, Gilles-Antoine; Billen, Roland
2021In Transactions in GIS
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Keywords :
CityJSON; NoSQL; 3D City Models; Data schema; Data architecture
Abstract :
[en] The use of 3D city models is now common practice; many large cities have their own digital model. Resilient and sustainable management of these models is necessary in many cases, where an application could evolve over its lifecycle. The complexity of generic modeling standardization is often a limitation for a light and user-friendly usage and further developments. This article aims to propose an alternative, providing a simplified database schema implemented in document-oriented storage. Thanks to the use of the NoSQL store, the focus is on flexibility of the data schemas and thus its clarification. In order to aim attention at the compactness in web development, CityJSON has been chosen for the encoding of the 3D city models. Finally, a full-stack application (persistent storage, consistent edition, and visualization of 3D city models) has been developed to handle the simplified schema and illustrates its capabilities in two practical use cases.
Research center :
Geomatics Unit
Disciplines :
Computer science
Author, co-author :
Nys, Gilles-Antoine  ;  Université de Liège - ULiège > Département de géographie > Unité de Géomatique - Topographie et géométrologie
Billen, Roland  ;  Université de Liège - ULiège > Département de géographie > Unité de Géomatique - Topographie et géométrologie
Language :
English
Title :
From consistency to flexibility: A simplified database schema for the management of CityJSON 3D city models
Publication date :
16 July 2021
Journal title :
Transactions in GIS
ISSN :
1361-1682
eISSN :
1467-9671
Publisher :
Wiley, Oxford, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 20 July 2021

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