GIS Dictionary

[business] A project management graph that displays tasks on a schedule, often used to plan and track projects. The Gantt […]

A projected coordinate system that uses the transverse Mercator projection to divide the world into standard zones 6 degrees wide.

A list of geographic place-names and their coordinates. Entries may include other information as well, such as area, population, or

Acronym for Geographic Base Files/Dual Independent Map Encoding. Vector geographic base files made for the 1970 and 1980 U.S. censuses,

[non-ESRI software] Acronym for Graphical Device Interface. A standard for displaying and transmitting text and graphical objects output devices, such

1 [map design] The abstraction, reduction, and simplification of features for change of scale or resolution. 2 [data editing] The

[computing] A search algorithm inspired by genetics and Darwin’s theory of natural selection. The algorithm goes through an iterative process

1 [geodesy] Measured from the earth or the earth’s center. 2 [astronomy] Having the earth as a center.

[coordinate systems] A three-dimensional, earth-centered reference system in which locations are identified by their x-, y-, and z-values. The x-axis

A horizontal geodetic datum based on an ellipsoid that has its origin at the earth’s center of mass. Examples are

[coordinate systems] The angle between the equatorial plane and a line from a point on the surface to the center