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地理信息系统(Geographic Information system简称GIS)是一项以计算机为基础的新兴学科,是管理和研究空间数据的技术系统,在计算机软硬件支持下,它可以对空间数据按照地理坐标或空间位置进行各种处理、对数据的有效管理、研究各种空间实体及其相互关系。通过对多因素的综合分析,它可以迅速地获取满足应用需要的信息,并能以地图、图形或数据的形式表示处理的结果。
Geographic information system (Geographic Information System referred to as GIS) is a new computer science-based disciplines, is the management and research of spatial data technology system, with the support of computer hardware and software, it can spatial data in accordance with geographical coordinates or spatial location Various treatments, effective management of data, research on various space entities and their interrelationships. Through comprehensive analysis of multiple factors, it can quickly obtain information that meets the needs of the application, and can express the result of the processing in the form of a map, a graph, or a data.