期刊
GEO-SPATIAL INFORMATION SCIENCE
卷 9, 期 2, 页码 112-+出版社
TAYLOR & FRANCIS LTD
DOI: 10.1007/BF02826936
关键词
trajectory; road network data model; carriageway; GIS; GIS-T
This is the second of a three-part series of papers which presents the principle and architecture of the CRNM, a trajectory-oriented, carriageway-based road network data model. The first part of the series has introduced a general background of building trajectory-oriented road network data models, including motiva tion, related works, and basic concepts. Based on it, this paper describs the CRNM in detail. At first, the notion of basic roadway entity is proposed and discussed. Secondly, carriageway is selected as the basic roadway entity after compared with other kinds of roadway, and approaches to representing other roadways with carriageways are introduced. At last, an overall architecture of the CRNM is proposed.
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