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The Application of Electronic Map Technology in Traffic Safety Information System

Author: ZhangGuangChao
Tutor: YinJian
School: Shandong University
Course: Applied Computer Technology
Keywords: Electronic map Spatial database GIS Intelligent Transportation
CLC: P208
Type: Master's thesis
Year: 2010
Downloads: 113
Quote: 1
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Abstract


In recent years, the motor vehicle is rapidly increasing , and the prevention of traffic accidents has become the urgent problems of the community . Transportation decision-making departments is necessary to keep abreast of important sections of the city traffic flow information , but also need to master important sections of the data traffic accidents . Many system to deal with only one aspect in the prevention of accidents , there is still much room for improvement . The subject considering the real - time traffic information ( such as speed and flow information) and accident data , the use of electronic map , radar gun technology and computer-aided design ( Auto CAD ) , to develop a traffic safety information system based on data collected . The main content of this paper are: 1. Electronic map on the electronic map data structure and data model and its corresponding database forms of organization were analyzed . Research implemented on the basis of the electronic map in the present system , i.e. the spatial database technology . Combined with the existing spatial database technology , and compare the organizational structure of the spatial database technology and storage structures , data structures and storage space for the system design . On the basis of the design of the database engine , departure from the traffic safety information system requirements , describes the overall system design, database design and the design of the main function modules . The ultimate realization of the system using AutoCAD technology, to draw electronic maps and sketches of the accident , and radar real-time traffic flow and vehicle speed information in different forms in accordance with the scale of the map display , real-time display on the map . The same time, the system accident analysis module , each brigade reported accident information statistics, the statistical results in intuitive feedback to decision makers . In this paper, the realization of the system real-time traffic information displayed on the electronic map and accident statistics can provide reliable command basis to the transportation decision-making departments , efforts to reduce the rate of accidents in the future , so as to achieve the purpose of science to prevent traffic accidents .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > General issues > Mapping database and information system
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