GIS Dictionary

[empty] The process of adding demographic and lifestyle data to your maps.

[map display] A designated boundary around a geometry that, if crossed, initiates a notification. Geofences are often used in real-time

[geography] Of or relating to the earth.

A reference system that uses latitude and longitude to define the locations of points on the surface of a sphere

A measurement of a location on the earth’s surface expressed in degrees of latitude and longitude.

Information describing the location and attributes of things, including their shapes and representation. Geographic data is the composite of spatial

[graphics map display] A graphic representation of a location; for example, a point to represent the location of a smokestack,

[coordinate systems] A systematic conversion of the latitude-longitude values for a set of points from one geographic coordinate system to

1 [geography] The study of the earth’s surface, encompassing the description and distribution of the various physical, biological, economic, and

[government] A division of statistical geographic data, such as country, province, postal code, tract, or block group.

[geodesy] A hypothetical surface representing the form the earth’s oceans would take if there were no land and the water