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Water supply pipeline network is a system which has a large of spatial attribute data. In order to improve the manage and work efficiency, reducing the workload of workers, the best way is that designing a water supply network based on GIS, the system based on Arc GIS platform, using Client-Server and Browser-Server model to form a new composite model to set up the system. The paper introduces every...
In this paper, the security of spatial database access is studied, which discusses security problems about spatial database access and transmission, and presents a solution to guarantee spatial data access security and solve some problems, including identity authentication and security transmission of secret data. We present a solution to avoid the shortcoming of SSL protocol. At the same time, a...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.