GIS Dictionary

[ESRI software] A subset of features in a layer, or records in a table, that is chosen by the software […]

[ESRI software] A subset of the features in a layer or records in a table. ArcMap provides several ways to

[ESRI software] In an ArcMap editing session, a small “x” located in the center of selected features. The selection anchor

[ESRI software] An ArcInfo Workstation file that stores the specifications of the selection criteria to be applied against specific coverages

[GPS] The intentional degradation by the U.S. Department of Defense of the GPS signal for civilian receivers, which could cause

[data models] The definition of the meaning of concepts within a data model by their relationships to other concepts.

[geodesy] The equatorial radius of a spheroid, often referred to as “a.”

[spatial statistics use for geostatistics] The variogram divided by two.

One’s perception of the essential character of a place in which one resides or has resided, stemming from a personal

[statistics] Analysis designed to test the robustness of model and analytical results to ensure that small changes in model parameters

[remote sensing] An electronic device for detecting energy, whether emitted or radiated, and converting it into a signal that can