GIS Dictionary

1 [data models] A line between two points that forms a boundary. In a geometric shape, an edge forms the boundary between two faces. In an image, edges separate areas … Read more

[network analysis] In network datasets, a connectivity policy that defines how one edge may connect to another edge mid-span. There are two edge-edge connectivity policies: endpoint connectivity and any-vertex connectivity.

A digital image processing technique for isolating edges in a digital image by examining it for abrupt changes in pixel value.

A digital image processing technique for emphasizing the appearance of edges and lines in an image.

[network analysis] In geometric networks, a connectivity rule that defines how one edge may connect to another edge through a junction.

[ESRI software] In connectivity relationships for networks, the number of edges of one type that may be associated with junctions of another type. Edge-junction cardinality defines a range of permissible … Read more

[ESRI software] In geometric networks, a connectivity rule that defines how an edge may connect to a junction.

[data editing] A spatial adjustment process that aligns features along the edge of an extent to the corresponding features in an adjacent extent.

[ESRI software] A tool on the Annotation toolbar that is used to manipulate geodatabase annotation. Text can be interactively moved, scaled, and rotated. Shortcut menu options allow control of the … Read more

[data editing] The portion of a coverage where the geometry (or geographical features) has been altered, but where topology has not yet been restored.

[ESRI software] In ArcGIS, the environment in which spatial and attribute editing take place. After starting an edit session, a user can modify feature locations, geometry, or attributes. Modifications made … Read more

[ESRI software] In ArcGIS, a temporary, underlying representation that is used to create or edit feature geometry.

[ESRI software] During editing prior to ArcGIS 10, a setting in the Task drop-down list that determines which operation the sketch construction tools will perform. Examples of edit tasks include … Read more

[ESRI software] In ArcMap, a set of tools that allows the creation and modification of features and their attributes.

[non-ESRI software] Acronym for electronic document management system. A computer-based system for organizing, maintaining, and retrieving digital and hard-copy documents. An EDMS usually includes a check-in, check-out system for document … Read more

[ESRI software] Acronym for ESRI Developer Network. A subscription program used to acquire ESRI software for developers, which includes a special program for supporting the ESRI developer community. EDN is … Read more