Abstract
This paper describes the prototype development of an inter-operable system for the integration of real-time traffic data within a geographic information system (GIS). The aim of our research project is twofold: (1) to improve current capabilities of traffic monitoring systems in terms of database functions; and (2) to explore analysis tools based on the visualisation and animation of traffic conditions within an urban network. The OSIRIS prototype objective is the integration and manipulation of historical traffic data within GIS, and as such complements current facilities of traffic monitoring systems. This paper presents the computing and geographical database environments of this inter-operable system. Traffic data are integrated and aggregated on a real-time basis. A pre-processor acts as a receiver of traffic data and as a data integrator for the traffic GIS application. Complementary levels of abstraction are used for the spatial and temporal dimensions. Interactive visualisations and animation tasks are developed using both spatial or thematic views.
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