"Geographic information systems (GIS) are computer software and hardware systems that enable users to capture, store, analyze and manage spatially referenced data. These are also known as Geospatial information systems. GISs have transformed the way geographic data, relationships and patterns in the world are able to be interactively queried, processed, analyzed, mapped, modelled, visualized, and displayed for an increasingly large range of users, for a multitude of purposes. The importance of geographic information systems (GIS) can hardly be overemphasized in today’s academic and professional arena. More professionals and academics have been using GIS than ever – urban & regional planners, civil engineers, geographers, spatial economists, sociologists, environmental scientists, criminal justice professionals, political scientists, and alike. The book is a blend of the theories of GIS and their practical implementations in different conditions."
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