GIS Dictionary

[ESRI software] In Survey Analyst for field measurements, any meridian that is parallel to the central meridian, used when computing […]

[cartography] The direction north along the north-south grid lines of a map projection.

[ESRI software] A mechanism for storing multivariate raster data in ESRI software, consisting of an ordered set of spatially overlapping

[geodesy] A system of points with known positions, elevations, or both, used as fixed references in georeferencing map features, aerial

[remote sensing] Communications equipment for receiving and transmitting signals to and from satellites such as Landsat.

The accuracy of remotely sensed or mathematically calculated data based on data actually measured in the field.

[Internet] In ArcGIS Online, a way to collaborate with other ArcGIS users and to exchange content related to a specific

[ESRI software] A group of several layers that appear and act as a single layer. Group layers make it easier

[geodesy] Acronym for Geodetic Reference System of 1980. The standard measurements of the earth’s shape and size adopted by the

[data sharing] Acronym for global spatial data infrastructure. A global framework of technologies, policies, standards, and human resources necessary to

[ESRI software] A process that connects to a relational database management system (RDBMS), using the RDBMS server libraries, and becomes