GIS Dictionary

[ESRI software] A component of the PLTS knowledge base that contains SQL statements and custom code for feature validation extended […]

[computing] A symbol or keyword that specifies the relationship between two values and is used to construct queries to a

[computing] A programming language statement that executes one option if the statement is true, and another if it is false.

1 [ESRI software] In ArcIMS, the file that contains the core site information. ArcIMS configuration files contain all the basic

[ESRI software] In ArcSDE, a name for a group of parameters that defines how geodatabase objects are stored.

[data editing] A set of procedures that aligns the features of two geographic data layers and then transfers the attributes

[data editing] In database editing, a state of incompatibility that occurs when multiple users simultaneously edit a version or reconcile

1 [data editing] The process of solving uncertainty within a database that occurs when two versions of the same data

A projection that preserves the correct shapes of small areas. In a conformal projection, graticule lines intersect at 90-degree angles,

The characteristic of a map projection that preserves the shape of any small geographic area.

A projection that transforms points from a spheroid or sphere onto a tangent or secant cone that is wrapped around