Geographic information systems
Computer mapping evolved with the computer itself in the 1960s. However, the origin of the term GIS began with the Canadian Department of Forestry and Rural Development. Dr. Roger Tomlinson headed a team of 40 developers in an agreement with IBM to build the Canada Geographic Information System (CGIS). The CGIS tracked the natural resources of Canada and allowed the profiling of these features for further analysis. The CGIS stored each type of land cover as a different layer. It also stored data in a Canadian-specific coordinate system suitable for the entire country that was devised for optimal area calculations. While the technology used was primitive by today's standards, the system had phenomenal capability at ...
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