GIS Dictionary

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dimension style

[ESRI software] Description of a dimension feature’s symbology, what parts of it are drawn, and how it is drawn. Every […]

directed link

[network analysis] In ArcInfo Workstation, an arc between two nodes with one direction specified.

directed network flow

[network analysis] A network state in which edges have an associated direction of flow. In a directed network flow, the

direction

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

direction field

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

directional filter

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

directional influences

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

directory

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

dirty areas

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

disabled feature

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

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