基于ArcGIS9.3的南昌城區(qū)交通地理信息系統(tǒng)研究
[Abstract]:With the acceleration of urbanization and the rapid growth of motor vehicle ownership, traffic congestion in Nanchang is becoming more and more serious. The establishment of traffic geographic information system platform for Nanchang urban area proposed in this paper can effectively integrate the information and data resources of urban intelligent traffic management system, evaluate the traffic service level of urban road network, and timely feedback the city. The results of urban traffic control measures can release traffic operation information to traffic participants, and provide efficient information service platform for government decision-making, urban traffic planning and traffic management departments, thus effectively alleviating traffic congestion.
This paper designs the frame structure of the system according to the application function module of the traffic geographic information system, and formulates the development principle and process of the system.Establishing the database of the traffic information geographic system is the most important and basic work for developing the traffic geographic information system platform of Nanchang urban area.The database of the system needs different subsystems. The collected data are processed to realize the function of data sharing and dynamic updating of traffic information. The traffic data set is established after processing the traffic geographic information system data such as the geographical characteristics of Nanchang city and the status of road infrastructure, and the traffic geographic information of Nanchang city is completed by creating topological rules and geometric network. Based on the spatial database model, the traffic geographic information system of Nanchang city is constructed. At present, the main functions of the system are: map display, layer management, geographical data query, traffic information data analysis, three-dimensional visualization of Nanchang map, map mapping. The establishment of Nanchang City Traffic Geographic Information System can effectively process and analyze traffic information data, timely reflect the operation of urban traffic, provide scientific assistance for traffic management departments in decision-making, and solve urban comprehensive traffic problems.
【學(xué)位授予單位】:華東交通大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類號(hào)】:P208;U495;TP311.52
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