GIS Dictionary

[ESRI software] In an ArcGIS vertical coordinate system, an identifier that indicates whether z-values are positive up or positive down. […]

[ESRI software] In Survey Analyst for field measurements, a field in the computation page that allows the entry of bearings

In image processing, an edge-detection filter that enhances those linear features in an image that are oriented in a particular

[spatial statistics use for geostatistics] Natural or physical processes that affect a measured trait or attribute so that the magnitude

[computing] An area of a computer disk that holds a set of data files, other directories, or both. Operating systems

[data quality] Regions surrounding features that have been altered after the initial topology validation process and require additional topology validation

[network analysis] In geometric networks, an object or shape representing a geographic object through which flow is impossible.

[ESRI software] The process of copying data to another geodatabase, editing that data, then merging the changes with the data

[data models] Data that represents phenomena with distinct boundaries. Property lines and streets are examples of discrete data.

[data capture] A method of digitizing in which points are placed individually to define a feature’s shape.

[ESRI software] A feature that has definite feature boundaries.