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A ubiquitous knowledgeable data representation model (UKRM) for three-dimensional geographic information systems (3D GIS)
Zhang S. Q.; Zhou, C. H.; Zhang, J. Y.; Chen, X. C.
Source PublicationScience China-Earth Sciences
2016
Volume59
Issue4
Pages780-794
KeywordDiscrete curved surface (DCS) Discrete body (DB) Discrete structure Function structure Mapping structure "2D/3D" integrated representation 3D GIS data model UKRM model spatial objects
AbstractIn the face of complicated, diversified three-dimensional world, the existing 3D GIS data models suffer from certain issues such as data incompatibility, insufficiency in data representation and representation types, among others. It is often hard to meet the requirements of multiple application purposes (users) related to GIS spatial data management and data query and analysis, especially in the case of massive spatial objects. In this study, according to the habits of human thinking and recognition, discrete expressions (such as discrete curved surface (DCS), and discrete body (DB)) were integrated and two novel representation types (including function structure and mapping structure) were put forward. A flexible and extensible ubiquitous knowledgeable data representation model (UKRM) was then constructed, in which structurally heterogeneous multiple expressions (including boundary representation (B-rep), constructive solid geometry (CSG), functional/parameter representation, etc.) were normalized. GIS's ability in representing the massive, complicated and diversified 3D world was thus greatly enhanced. In addition, data reuse was realized, and the bridge linking static GIS to dynamic GIS was built up. Primary experimental results illustrated that UKRM was overwhelmingly superior to the current data models (e.g. IFC, CityGML) in describing both regular and irregular spatial objects.
Indexed BySCI
Language英语
ISSN1674-7313
DOI10.1007/s11430-015-5255-7
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document TypeSCI/SSCI论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/43388
Collection历年回溯文献
Recommended Citation
GB/T 7714
Zhang S. Q.,Zhou, C. H.,Zhang, J. Y.,et al. A ubiquitous knowledgeable data representation model (UKRM) for three-dimensional geographic information systems (3D GIS). 2016.
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