The Design & Realization Of PowerLineGIS System

Computer Science changing with each passing day has motivated the development of geographic information system greatly and brought infinitude of energy. With the rapid development of micro-electronic and photoelectron technologies, we are on the verge of a new computing paradigm. Mobile computing system based on personal digital assistant (PDA) products has been userd widely. It is not Arabian nights for mobile users to operate compyters when moving, connect to the network anytime and anywhere in different ways and combine themselves and immense digital space seamlessly. The purpose of this paper is to develop a power-line-cruising management system based on PDA.The system integrates ComGIS,Embedded GIS and GPS technology. Besides the functions of visualization, query, analyse of spatial information and traditional functions of MIS, it has especially combined with the mobile feature of PDA, which makes it capable to locate a spatial target on real time. Since it has an innate relation with Location-Based Services (LBS), the system can be expanded easily for advanced application. The research of this paper involves many fields of computer science, such as COM, embedded developing, computer graphics, wireless networks, and the science of surveying and mapping, such as the principle and data organization methods of geographic information system (GIS), the visualization of digital maps, location and navigation based on global positioning system (GPS) and the integration of GPS and GIS. At first, the paper analyses the status quo, technology background, features and application of ComGIS, Embedded GIS and GPS, etc, to provide the technical fundation for the power-line-cruising management system. Second, it sets up the whole logical structure, implements the basic function and provides the application solution for the system. Finally, the paper summarizes the factor that should be considered in the period of development and gives the practical instance----"PowerLineGIS Cruising Management System ", and pictures the prospect of the system.