A new framework for the integration, analysis and visualisation of urban traffic data within geographic information systems

被引:11
作者
Claramunt, C [1 ]
Jiang, B
Bargiela, A
机构
[1] Nottingham Trent Univ, Dept Comp, Nottingham NG1 4BU, England
[2] Univ Gavle, Inst Teknik, Div Geomat, SE-80176 Gavle, Sweden
关键词
GIS; urban traffic; real-time; visualisation;
D O I
10.1016/S0968-090X(00)00009-7
中图分类号
U [交通运输];
学科分类号
08 ; 0823 ;
摘要
Current geographical information systems (GIS) are not well adapted to the management of very dynamic geographical phenomena. This is due to the lack of conceptual and physical interoperability with real-time computing facilities. The research described in this paper is oriented towards the identification and experimentation of a new methodological and applied framework for the real-time integration, manipulation and visualisation of urban traffic data. It is based on proactive interaction between the spatiotemporal database and visualisation levels, and between the visualisation and end-user levels. The proposed framework integrates different spatial and temporal levels of granularity during the analysis of urban traffic data. Urban traffic behaviours are analysed either by observation of the movements of several vehicles in space, or by changes in urban network properties (i.e., micro- versus macro-modelling). Visualisation and interaction tools together constitute a flexible interface environment for the visualisation of urban traffic data within GIS. These concepts provide a relevant support for the visual analysis of urban traffic patterns in the thematic, spatial and temporal dimensions. This integrated framework is illustrated by an experimental prototype developed in a large town in the UK. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:167 / 184
页数:18
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