You searched for: “geographical information system
geographical information system, geographic information system, GIS
1. A computer system specialized for the storage, manipulation, and presentation of geographical information; such as, topography, political subdivisions, geology, vegetation, flood plains, etc.
2. A computerized system which relates and displays data collected from a geographic entity in the form of a map.

The ability of a geographical information system to overlay existing data with new information and display it in color on a computer screen and is used primarily to conduct analyses and make decisions related to geology, ecology, land use, demographics, transportation, and other domains, most of which relate to the human use of the physical environment.

Through this process of geocoding, the geographic data from a database is converted into images in the form of maps.

This entry is located in the following units: geo-, ge- + (page 11) grapho-, graph-, -graph, -graphy, -grapher, -graphia (page 37)