Research On Technology Of City Public Traffic Displayment

Tradition papery city public traffic, whose intuition and veracity is not good, can not satisfy user's need of looking for way quickly. Therefore, electronic public traffic map attracts many research people's sights. For it remedies tradition public traffic's defect, has a amplitude develop foreground. Give a blue print on city public traffic protract and query, which includes city public traffic protract arithmetic, querying shortcut arithmetic and magnifying local public traffic map arithmetic.As a new way to solve the Traffic Jam problem, traffic information inquiry system develop rapidly at home and abroad. It may accurately and promptly indicate bus line condition as well as some information of the urban economy construction the achievement. It can bring Local residents and out-of-town visitors convenient query methods. Its research has the very great economic efficiency and the social efficiency.This research of the topic will make the reveal of the bus line which based on electronic maps more alternating, It causes the computer graphical display technology to be more applied in the practical domain, and will enable this system be connected closely to a real life.This paper designs and realizes two kinds of display method of the electronic map:One is Panoramic Map, the other is window map. Then, it realizes the inquiry function of the bus line's information. It depicts the detail of the design. It also draws flow diagram, function diagram and other kinds of results. In the application, the results of inquiries are accurate, the system operating speed is quick. The bus line system can satisfy the basic request of the user.