Definition

What exactly is a GIS? Clarke (2003) contends that there is no single good definition of GIS; there are many. Various industries might be influenced by existing definitions, but below is a brief one proposed for those who are interested in applying GIS to health projects: “GIS is a computer-based, dynamic mapping system with spatial data processing, querying, and sharing capabilities.” Computer-based: Clearly, GIS is a computer technology. You will be using web technologies on your computer to learn GIS. Desktop and enterprise GIS applications are used for advanced functions. Dynamic mapping system: A GIS is not a static map