【正文】
地理信息系統(tǒng)的三種定義視角 ? In 1991, David Maguire synthesized various GIS definitions into three distinct yet overlapping views, which he termed: the map, the database, and the spatial analysis views. ? The map view focuses on cartographic aspects of GIS, viewing GIS as map processing or display systems in which the emphasis is on the ability of such systems to produce high quality maps and charts. ? The database view of GIS emphasizes the importance of welldesigned and implemented database systems in which plex analytica