A ubiquitous knowledgeable data representation model (UKRM) for three-dimensional geographic information systems (3D GIS)
文献类型：SCI/SSCI论文
| 作者 | Zhang S. Q.; Zhou, C. H.; Zhang, J. Y.; Chen, X. C.; Zhang, YJ; Zhu, JT |
| 发表日期 | 2016 |
| 关键词 | Discrete curved surface (DCS) Discrete body (DB) Discrete structure Function structure Mapping structure "2D/3D" integrated representation 3D GIS data model UKRM model spatial objects |
| 英文摘要 | In 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. |
| 出处 | Science China-Earth Sciences |
| 卷 | 59 |
| 期 | 4 |
| 页 | 780-794 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 1674-7313 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/43903]  |
| 专题 | 生态系统网络观测与模拟院重点实验室_生态网络实验室 |
| 推荐引用方式 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. |
入库方式： OAI收割
来源：地理科学与资源研究所
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