GIS Dictionary

[3D analysis] The process of projecting features in a two-dimensional data source into a three-dimensional representation: points become vertical lines, […]

[statistics] A ratio of variances, calculated from a sample of data and used to provide information about a whole dataset.

[statistics] A statistical test for determining the probability that the variances of two different samples are the same. The F

[Euclidean geometry] A planar surface of a geometric shape, bounded by edges.

[ESRI software] In ArcGIS Network Analyst, a network location used in closest facility and service area analyses.

[map projections] The linear value added to all x-coordinates of a map projection so that none of the values in

[map projections] The linear value added to all y-coordinates of a map projection so that none of the values in

[cartography] A representation of a real-world object on a map.

[ESRI software] In ArcGIS, a collection of geographic features with the same geometry type (such as point, line, or polygon),

[ESRI software] Data that represents geographic features as geometric shapes.

[ESRI software] In ArcGIS, a collection of feature classes stored together that share the same spatial reference; that is, they